The Battle for Wesnoth  1.15.6+dev
display.cpp
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1 /*
2  Copyright (C) 2003 - 2018 by David White <dave@whitevine.net>
3  Part of the Battle for Wesnoth Project https://www.wesnoth.org/
4 
5  This program is free software; you can redistribute it and/or modify
6  it under the terms of the GNU General Public License as published by
7  the Free Software Foundation; either version 2 of the License, or
8  (at your option) any later version.
9  This program is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY.
11 
12  See the COPYING file for more details.
13 */
14 
15 /**
16  * @file
17  * Routines to set up the display, scroll and zoom the map.
18  */
19 
20 #include "arrow.hpp"
21 #include "cursor.hpp"
22 #include "display.hpp"
23 #include "fake_unit_manager.hpp"
24 #include "font/sdl_ttf.hpp"
25 #include "font/text.hpp"
26 #include "preferences/game.hpp"
27 #include "gettext.hpp"
28 #include "halo.hpp"
30 #include "language.hpp"
31 #include "log.hpp"
32 #include "font/marked-up_text.hpp"
33 #include "map/map.hpp"
34 #include "map/label.hpp"
35 #include "minimap.hpp"
36 #include "overlay.hpp"
37 #include "play_controller.hpp" //note: this can probably be refactored out
38 #include "reports.hpp"
39 #include "resources.hpp"
40 #include "color.hpp"
41 #include "synced_context.hpp"
42 #include "team.hpp"
43 #include "terrain/builder.hpp"
44 #include "time_of_day.hpp"
45 #include "tooltips.hpp"
46 #include "tod_manager.hpp"
47 #include "units/unit.hpp"
49 #include "units/drawer.hpp"
50 #include "units/orb_status.hpp"
51 #include "whiteboard/manager.hpp"
52 #include "show_dialog.hpp"
54 
55 #include <SDL2/SDL_image.h>
56 
57 #include <algorithm>
58 #include <array>
59 #include <cmath>
60 #include <iomanip>
61 #include <utility>
62 
63 #ifdef _WIN32
64 #include <windows.h>
65 #endif
66 
67 // Includes for bug #17573
68 
69 static lg::log_domain log_display("display");
70 #define ERR_DP LOG_STREAM(err, log_display)
71 #define LOG_DP LOG_STREAM(info, log_display)
72 #define DBG_DP LOG_STREAM(debug, log_display)
73 
74 // These are macros instead of proper constants so that they auto-update if the game config is reloaded.
75 #define zoom_levels (game_config::zoom_levels)
76 #define final_zoom_index (static_cast<int>(zoom_levels.size()) - 1)
77 #define DefaultZoom (game_config::tile_size)
78 #define SmallZoom (DefaultZoom / 2)
79 #define MinZoom (zoom_levels.front())
80 #define MaxZoom (zoom_levels.back())
81 
82 namespace {
83  bool benchmark = false;
84 
85  bool debug_foreground = false;
86 
87  int prevLabel = 0;
88 }
89 
90 unsigned int display::zoom_ = DefaultZoom;
91 unsigned int display::last_zoom_ = SmallZoom;
92 
93 // Returns index of zoom_levels which is closest match to input zoom_level
94 // Assumption: zoom_levels is a sorted vector of ascending tile sizes
95 int get_zoom_levels_index(unsigned int zoom_level)
96 {
97  zoom_level = utils::clamp(zoom_level, MinZoom, MaxZoom); // ensure zoom_level is within zoom_levels bounds
98  auto iter = std::lower_bound(zoom_levels.begin(), zoom_levels.end(), zoom_level);
99 
100  // find closest match
101  if(iter != zoom_levels.begin() && iter != zoom_levels.end()) {
102  float diff = *iter - *(iter - 1);
103  float lower = (zoom_level - *(iter - 1)) / diff;
104  float upper = (*iter - zoom_level) / diff;
105 
106  // the previous element is closer to zoom_level than the current one
107  if(lower < upper) {
108  iter--;
109  }
110  }
111 
112  return std::distance(zoom_levels.begin(), iter);
113 }
114 
116 {
117  const team& curr_team = dc_->teams()[playing_team()];
118  const team& prev_team = playing_team() == 0
119  ? dc_->teams().back()
120  : dc_->get_team(playing_team());
121  for (const auto& i : get_overlays()) {
122  for(const overlay& ov : i.second) {
123  if(!ov.team_name.empty() &&
124  ((ov.team_name.find(curr_team.team_name()) + 1) != 0) !=
125  ((ov.team_name.find(prev_team.team_name()) + 1) != 0))
126  {
127  invalidate(i.first);
128  }
129  }
130  }
131 }
132 
133 
134 void display::add_overlay(const map_location& loc, const std::string& img, const std::string& halo, const std::string& team_name, const std::string& item_id, bool visible_under_fog, float z_order)
135 {
136  if (halo_man_) {
137  halo::handle halo_handle;
138  if(halo != "") {
139  halo_handle = halo_man_->add(get_location_x(loc) + hex_size() / 2,
140  get_location_y(loc) + hex_size() / 2, halo, loc);
141  }
142 
143  std::vector<overlay>& overlays = get_overlays()[loc];
144  auto it = std::find_if(overlays.begin(), overlays.end(), [z_order](const overlay& ov) { return ov.z_order > z_order; });
145  overlays.emplace(it, img, halo, halo_handle, team_name, item_id, visible_under_fog, z_order);
146  }
147 }
148 
150 {
151  get_overlays().erase(loc);
152 }
153 
154 void display::remove_single_overlay(const map_location& loc, const std::string& toDelete)
155 {
156  std::vector<overlay>& overlays = get_overlays()[loc];
157  overlays.erase(
158  std::remove_if(
159  overlays.begin(), overlays.end(),
160  [&toDelete](const overlay& ov) { return ov.image == toDelete || ov.halo == toDelete || ov.id == toDelete; }
161  ),
162  overlays.end()
163  );
164 }
165 
166 display::display(const display_context * dc, std::weak_ptr<wb::manager> wb, reports & reports_object, const config& theme_cfg, const config& level, bool auto_join) :
167  video2::draw_layering(auto_join),
168  dc_(dc),
169  halo_man_(new halo::manager(*this)),
170  wb_(wb),
173  currentTeam_(0),
174  dont_show_all_(false),
175  xpos_(0),
176  ypos_(0),
177  view_locked_(false),
178  theme_(theme_cfg, screen_.screen_area()),
179  zoom_index_(0),
180  fake_unit_man_(new fake_unit_manager(*this)),
181  builder_(new terrain_builder(level, (dc_ ? &dc_->map() : nullptr), theme_.border().tile_image, theme_.border().show_border)),
182  minimap_(nullptr),
184  redrawMinimap_(false),
185  redraw_background_(true),
186  invalidateAll_(true),
187  grid_(false),
189  panelsDrawn_(false),
190  turbo_speed_(2),
191  turbo_(false),
192  invalidateGameStatus_(true),
193  map_labels_(new map_labels(nullptr)),
194  reports_object_(&reports_object),
195  scroll_event_("scrolled"),
196  complete_redraw_event_("completely_redrawn"),
197  frametimes_(50),
198  fps_counter_(),
199  fps_start_(),
200  fps_actual_(),
201  reportRects_(),
202  reportSurfaces_(),
203  reports_(),
204  menu_buttons_(),
205  action_buttons_(),
206  invalidated_(),
207  mouseover_hex_overlay_(nullptr),
208  tod_hex_mask1(nullptr),
209  tod_hex_mask2(nullptr),
210  fog_images_(),
211  shroud_images_(),
212  selectedHex_(),
213  mouseoverHex_(),
214  keys_(),
215  animate_map_(true),
216  animate_water_(true),
217  flags_(),
218  activeTeam_(0),
219  drawing_buffer_(),
220  map_screenshot_(false),
221  reach_map_(),
222  reach_map_old_(),
223  reach_map_changed_(true),
224  fps_handle_(0),
226  drawn_hexes_(0),
228  idle_anim_rate_(1.0),
229  map_screenshot_surf_(nullptr),
231  draw_coordinates_(false),
232  draw_terrain_codes_(false),
233  draw_num_of_bitmaps_(false),
234  arrows_map_(),
235  color_adjust_(),
236  dirty_()
237 {
238  //The following assertion fails when starting a campaign
239  assert(singleton_ == nullptr);
240  singleton_ = this;
241 
243 
244  blindfold_ctr_ = 0;
245 
246  read(level.child_or_empty("display"));
247 
249  && (screen_.getSurface() != nullptr
250  && screen_.faked())) {
251  screen_.lock_updates(true);
252  }
253 
256 
258 
259  unsigned int tile_size = preferences::tile_size();
260  if(tile_size < MinZoom || tile_size > MaxZoom)
261  tile_size = DefaultZoom;
262  zoom_index_ = get_zoom_levels_index(tile_size);
264  if(zoom_ != preferences::tile_size()) // correct saved tile_size if necessary
266 
268 
269  init_flags();
270 
271  if(!menu_buttons_.empty() || !action_buttons_.empty()) {
272  create_buttons();
273  }
274 
275 #ifdef _WIN32
276  // Increase timer resolution to prevent delays getting much longer than they should.
277  timeBeginPeriod(1u);
278 #endif
279 }
280 
282 {
283 #ifdef _WIN32
284  timeEndPeriod(1u);
285 #endif
286 
287  singleton_ = nullptr;
288  resources::fake_units = nullptr;
289 }
290 
291 void display::set_theme(config theme_cfg) {
292  theme_ = theme(theme_cfg, screen_.screen_area());
293  builder_->set_draw_border(theme_.border().show_border);
294  menu_buttons_.clear();
295  action_buttons_.clear();
296  create_buttons();
298  rebuild_all();
300 }
301 
303 
304  flags_.clear();
305  if (!dc_) return;
306  flags_.resize(dc_->teams().size());
307 
308  std::vector<std::string> side_colors;
309  side_colors.reserve(dc_->teams().size());
310 
311  for(const team& t : dc_->teams()) {
312  std::string side_color = t.color();
313  side_colors.push_back(side_color);
314  init_flags_for_side_internal(t.side() - 1, side_color);
315  }
316  image::set_team_colors(&side_colors);
317 }
318 
320 {
322 }
323 
324 void display::init_flags_for_side_internal(std::size_t n, const std::string& side_color)
325 {
326  assert(dc_ != nullptr);
327  assert(n < dc_->teams().size());
328  assert(n < flags_.size());
329 
330  std::string flag = dc_->teams()[n].flag();
332  std::string new_rgb = side_color;
333 
334  if(flag.empty()) {
336  }
337 
338  LOG_DP << "Adding flag for team " << n << " from animation " << flag << "\n";
339 
340  // Must recolor flag image
341  animated<image::locator> temp_anim;
342 
343  std::vector<std::string> items = utils::square_parenthetical_split(flag);
344 
345  for(const std::string& item : items) {
346  const std::vector<std::string>& sub_items = utils::split(item, ':');
347  std::string str = item;
348  int time = 100;
349 
350  if(sub_items.size() > 1) {
351  str = sub_items.front();
352  try {
353  time = std::max<int>(1, std::stoi(sub_items.back()));
354  } catch(const std::invalid_argument&) {
355  ERR_DP << "Invalid time value found when constructing flag for side " << n << ": " << sub_items.back() << "\n";
356  }
357  }
358 
359  std::stringstream temp;
360  temp << str << "~RC(" << old_rgb << ">"<< new_rgb << ")";
361  image::locator flag_image(temp.str());
362  temp_anim.add_frame(time, flag_image);
363  }
364 
366  f = temp_anim;
367  auto time = f.get_end_time();
368  if (time > 0) {
369  f.start_animation(randomness::rng::default_instance().get_random_int(0, time-1), true);
370  }
371  else {
372  // this can happen if both flag and game_config::images::flag are empty.
373  ERR_DP << "missing flag for team" << n << "\n";
374  }
375 }
376 
378 {
379  if(!get_map().is_village(loc)) {
380  return surface(nullptr);
381  }
382 
383  for (const team& t : dc_->teams()) {
384  if (t.owns_village(loc) && (!fogged(loc) || !dc_->get_team(viewing_side()).is_enemy(t.side())))
385  {
386  auto& flag = flags_[t.side() - 1];
387  flag.update_last_draw_time();
388  const image::locator &image_flag = animate_map_ ?
389  flag.get_current_frame() : flag.get_first_frame();
390  return image::get_image(image_flag, image::TOD_COLORED);
391  }
392  }
393 
394  return surface(nullptr);
395 }
396 
397 void display::set_team(std::size_t teamindex, bool show_everything)
398 {
399  assert(teamindex < dc_->teams().size());
400  currentTeam_ = teamindex;
401  if (!show_everything)
402  {
403  labels().set_team(&dc_->teams()[teamindex]);
404  dont_show_all_ = true;
405  }
406  else
407  {
408  labels().set_team(nullptr);
409  dont_show_all_ = false;
410  }
412  if(std::shared_ptr<wb::manager> w = wb_.lock())
413  w->on_viewer_change(teamindex);
414 }
415 
416 void display::set_playing_team(std::size_t teamindex)
417 {
418  assert(teamindex < dc_->teams().size());
419  activeTeam_ = teamindex;
421 }
422 
424 {
425  if (loc.valid() && exclusive_unit_draw_requests_.find(loc) == exclusive_unit_draw_requests_.end())
426  {
427  exclusive_unit_draw_requests_[loc] = unit.id();
428  return true;
429  }
430  else
431  {
432  return false;
433  }
434 }
435 
437 {
438  std::string id = "";
439  if(loc.valid())
440  {
442  //id will be set to the default "" string by the [] operator if the map doesn't have anything for that loc.
444  }
445  return id;
446 }
447 
448 const time_of_day & display::get_time_of_day(const map_location& /*loc*/) const
449 {
450  static time_of_day tod;
451  return tod;
452 }
453 
454 void display::update_tod(const time_of_day* tod_override)
455 {
456  const time_of_day* tod = tod_override;
457  if(tod == nullptr) {
458  tod = &get_time_of_day();
459  }
460 
461  const tod_color col = color_adjust_ + tod->color;
462  image::set_color_adjustment(col.r, col.g, col.b);
463 }
464 
465 void display::adjust_color_overlay(int r, int g, int b)
466 {
467  color_adjust_ = tod_color(r, g, b);
468  update_tod();
469 }
470 
471 void display::fill_images_list(const std::string& prefix, std::vector<std::string>& images)
472 {
473  if(prefix == ""){
474  return;
475  }
476 
477  // search prefix.png, prefix1.png, prefix2.png ...
478  for(int i=0; ; ++i){
479  std::ostringstream s;
480  s << prefix;
481  if(i != 0)
482  s << i;
483  s << ".png";
484  if(image::exists(s.str()))
485  images.push_back(s.str());
486  else if(i>0)
487  break;
488  }
489  if (images.empty())
490  images.emplace_back();
491 }
492 
493 const std::string& display::get_variant(const std::vector<std::string>& variants, const map_location &loc)
494 {
495  //TODO use better noise function
496  return variants[std::abs(loc.x + loc.y) % variants.size()];
497 }
498 
500 {
501  builder_->rebuild_all();
502 }
503 
505 {
506  redraw_background_ = true;
507  builder_->reload_map();
508 }
509 
511 {
512  dc_ = dc;
513  builder_->change_map(&dc_->map()); //TODO: Should display_context own and initialize the builder object?
514 }
515 
517 {
518  halo_man_.reset(new halo::manager(*this));
519 }
520 
522 {
523  halo_man_.reset(&halo_man);
524 }
525 
526 void display::blindfold(bool value)
527 {
528  if(value == true)
529  ++blindfold_ctr_;
530  else
531  --blindfold_ctr_;
532 }
533 
535 {
536  return blindfold_ctr_ > 0;
537 }
538 
539 
540 const SDL_Rect& display::max_map_area() const
541 {
542  static SDL_Rect max_area {0, 0, 0, 0};
543 
544  // hex_size() is always a multiple of 4
545  // and hex_width() a multiple of 3,
546  // so there shouldn't be off-by-one-errors
547  // due to rounding.
548  // To display a hex fully on screen,
549  // a little bit extra space is needed.
550  // Also added the border two times.
551  max_area.w = static_cast<int>((get_map().w() + 2 * theme_.border().size + 1.0/3.0) * hex_width());
552  max_area.h = static_cast<int>((get_map().h() + 2 * theme_.border().size + 0.5) * hex_size());
553 
554  return max_area;
555 }
556 
557 const SDL_Rect& display::map_area() const
558 {
559  static SDL_Rect max_area;
560  max_area = max_map_area();
561 
562  // if it's for map_screenshot, maximize and don't recenter
563  if (map_screenshot_) {
564  return max_area;
565  }
566 
567  static SDL_Rect res;
568  res = map_outside_area();
569 
570  if(max_area.w < res.w) {
571  // map is smaller, center
572  res.x += (res.w - max_area.w)/2;
573  res.w = max_area.w;
574  }
575 
576  if(max_area.h < res.h) {
577  // map is smaller, center
578  res.y += (res.h - max_area.h)/2;
579  res.h = max_area.h;
580  }
581 
582  return res;
583 }
584 
585 bool display::outside_area(const SDL_Rect& area, const int x, const int y)
586 {
587  const int x_thresh = hex_size();
588  const int y_thresh = hex_size();
589  return (x < area.x || x > area.x + area.w - x_thresh ||
590  y < area.y || y > area.y + area.h - y_thresh);
591 }
592 
593 // This function uses the screen as reference
594 const map_location display::hex_clicked_on(int xclick, int yclick) const
595 {
596  const SDL_Rect& rect = map_area();
597  if(sdl::point_in_rect(xclick,yclick,rect) == false) {
598  return map_location();
599  }
600 
601  xclick -= rect.x;
602  yclick -= rect.y;
603 
604  return pixel_position_to_hex(xpos_ + xclick, ypos_ + yclick);
605 }
606 
607 
608 // This function uses the rect of map_area as reference
610 {
611  // adjust for the border
612  x -= static_cast<int>(theme_.border().size * hex_width());
613  y -= static_cast<int>(theme_.border().size * hex_size());
614  // The editor can modify the border and this will result in a negative y
615  // value. Instead of adding extra cases we just shift the hex. Since the
616  // editor doesn't use the direction this is no problem.
617  const int offset = y < 0 ? 1 : 0;
618  if(offset) {
619  x += hex_width();
620  y += hex_size();
621  }
622  const int s = hex_size();
623  const int tesselation_x_size = hex_width() * 2;
624  const int tesselation_y_size = s;
625  const int x_base = x / tesselation_x_size * 2;
626  const int x_mod = x % tesselation_x_size;
627  const int y_base = y / tesselation_y_size;
628  const int y_mod = y % tesselation_y_size;
629 
630  int x_modifier = 0;
631  int y_modifier = 0;
632 
633  if (y_mod < tesselation_y_size / 2) {
634  if ((x_mod * 2 + y_mod) < (s / 2)) {
635  x_modifier = -1;
636  y_modifier = -1;
637  } else if ((x_mod * 2 - y_mod) < (s * 3 / 2)) {
638  x_modifier = 0;
639  y_modifier = 0;
640  } else {
641  x_modifier = 1;
642  y_modifier = -1;
643  }
644 
645  } else {
646  if ((x_mod * 2 - (y_mod - s / 2)) < 0) {
647  x_modifier = -1;
648  y_modifier = 0;
649  } else if ((x_mod * 2 + (y_mod - s / 2)) < s * 2) {
650  x_modifier = 0;
651  y_modifier = 0;
652  } else {
653  x_modifier = 1;
654  y_modifier = 0;
655  }
656  }
657 
658  return map_location(x_base + x_modifier - offset, y_base + y_modifier - offset);
659 }
660 
662 {
663  if (loc_.y < rect_.bottom[loc_.x & 1])
664  ++loc_.y;
665  else {
666  ++loc_.x;
667  loc_.y = rect_.top[loc_.x & 1];
668  }
669 
670  return *this;
671 }
672 
673 // begin is top left, and end is after bottom right
675 {
676  return iterator(map_location(left, top[left & 1]), *this);
677 }
679 {
680  return iterator(map_location(right+1, top[(right+1) & 1]), *this);
681 }
682 
683 const display::rect_of_hexes display::hexes_under_rect(const SDL_Rect& r) const
684 {
685  rect_of_hexes res;
686 
687  if (r.w<=0 || r.h<=0) {
688  // empty rect, return dummy values giving begin=end
689  res.left = 0;
690  res.right = -1; // end is right+1
691  res.top[0] = 0;
692  res.top[1] = 0;
693  res.bottom[0] = 0;
694  res.bottom[1] = 0;
695  return res;
696  }
697 
698  SDL_Rect map_rect = map_area();
699  // translate rect coordinates from screen-based to map_area-based
700  int x = xpos_ - map_rect.x + r.x;
701  int y = ypos_ - map_rect.y + r.y;
702  // we use the "double" type to avoid important rounding error (size of an hex!)
703  // we will also need to use std::floor to avoid bad rounding at border (negative values)
704  double tile_width = hex_width();
705  double tile_size = hex_size();
706  double border = theme_.border().size;
707  // we minus "0.(3)", for horizontal imbrication.
708  // reason is: two adjacent hexes each overlap 1/4 of their width, so for
709  // grid calculation 3/4 of tile width is used, which by default gives
710  // 18/54=0.(3). Note that, while tile_width is zoom dependent, 0.(3) is not.
711  res.left = static_cast<int>(std::floor(-border + x / tile_width - 0.3333333));
712  // we remove 1 pixel of the rectangle dimensions
713  // (the rounded division take one pixel more than needed)
714  res.right = static_cast<int>(std::floor(-border + (x + r.w-1) / tile_width));
715 
716  // for odd x, we must shift up one half-hex. Since x will vary along the edge,
717  // we store here the y values for even and odd x, respectively
718  res.top[0] = static_cast<int>(std::floor(-border + y / tile_size));
719  res.top[1] = static_cast<int>(std::floor(-border + y / tile_size - 0.5));
720  res.bottom[0] = static_cast<int>(std::floor(-border + (y + r.h-1) / tile_size));
721  res.bottom[1] = static_cast<int>(std::floor(-border + (y + r.h-1) / tile_size - 0.5));
722 
723  // TODO: in some rare cases (1/16), a corner of the big rect is on a tile
724  // (the 72x72 rectangle containing the hex) but not on the hex itself
725  // Can maybe be optimized by using pixel_position_to_hex
726 
727  return res;
728 }
729 
731 {
732  return currentTeam_ < dc_->teams().size();
733 }
734 
735 bool display::shrouded(const map_location& loc) const
736 {
737  return is_blindfolded() || (dont_show_all_ && dc_->teams()[currentTeam_].shrouded(loc));
738 }
739 
740 bool display::fogged(const map_location& loc) const
741 {
742  return is_blindfolded() || (dont_show_all_ && dc_->teams()[currentTeam_].fogged(loc));
743 }
744 
746 {
747  return static_cast<int>(map_area().x + (loc.x + theme_.border().size) * hex_width() - xpos_);
748 }
749 
751 {
752  return static_cast<int>(map_area().y + (loc.y + theme_.border().size) * zoom_ - ypos_ + (is_odd(loc.x) ? zoom_/2 : 0));
753 }
754 
756 {
757  //TODO: don't return location for this,
758  // instead directly scroll to the clicked pixel position
759 
760  if (!sdl::point_in_rect(x, y, minimap_area())) {
761  return map_location();
762  }
763 
764  // we transform the coordinates from minimap to the full map image
765  // probably more adjustments to do (border, minimap shift...)
766  // but the mouse and human capacity to evaluate the rectangle center
767  // is not pixel precise.
768  int px = (x - minimap_location_.x) * get_map().w()*hex_width() / std::max (minimap_location_.w, 1);
769  int py = (y - minimap_location_.y) * get_map().h()*hex_size() / std::max(minimap_location_.h, 1);
770 
771  map_location loc = pixel_position_to_hex(px, py);
772  if (loc.x < 0)
773  loc.x = 0;
774  else if (loc.x >= get_map().w())
775  loc.x = get_map().w() - 1;
776 
777  if (loc.y < 0)
778  loc.y = 0;
779  else if (loc.y >= get_map().h())
780  loc.y = get_map().h() - 1;
781 
782  return loc;
783 }
784 
785 surface display::screenshot(bool map_screenshot)
786 {
787  if (!map_screenshot) {
788  return screen_.getSurface().clone();
789  } else {
790  if (get_map().empty()) {
791  ERR_DP << "No map loaded, cannot create a map screenshot.\n";
792  return nullptr;
793  }
794 
795  SDL_Rect area = max_map_area();
796  map_screenshot_surf_ = surface(area.w, area.h);
797 
798  if (map_screenshot_surf_ == nullptr) {
799  // Memory problem ?
800  ERR_DP << "Could not create screenshot surface, try zooming out.\n";
801  return nullptr;
802  }
803 
804  // back up the current map view position and move to top-left
805  int old_xpos = xpos_;
806  int old_ypos = ypos_;
807  xpos_ = 0;
808  ypos_ = 0;
809 
810  // we reroute render output to the screenshot surface and invalidate all
811  map_screenshot_= true;
812  invalidateAll_ = true;
813  DBG_DP << "draw() with map_screenshot\n";
814  draw(true,true);
815 
816  // restore normal rendering
817  map_screenshot_= false;
818  xpos_ = old_xpos;
819  ypos_ = old_ypos;
820 
821  // Clear map_screenshot_surf_ and return a new surface that contains the same data
822  surface surf(std::move(map_screenshot_surf_));
823  return surf;
824  }
825 }
826 
827 std::shared_ptr<gui::button> display::find_action_button(const std::string& id)
828 {
829  for (std::size_t i = 0; i < action_buttons_.size(); ++i) {
830  if(action_buttons_[i]->id() == id) {
831  return action_buttons_[i];
832  }
833  }
834  return nullptr;
835 }
836 
837 std::shared_ptr<gui::button> display::find_menu_button(const std::string& id)
838 {
839  for (std::size_t i = 0; i < menu_buttons_.size(); ++i) {
840  if(menu_buttons_[i]->id() == id) {
841  return menu_buttons_[i];
842  }
843  }
844  return nullptr;
845 }
846 
848 {
849  DBG_DP << "positioning menu buttons...\n";
850  for(const auto& menu : theme_.menus()) {
851  std::shared_ptr<gui::button> b = find_menu_button(menu.get_id());
852  if(b) {
853  const SDL_Rect& loc = menu.location(screen_.screen_area());
854  b->set_location(loc);
855  b->set_measurements(0,0);
856  b->set_label(menu.title());
857  b->set_image(menu.image());
858  }
859  }
860 
861  DBG_DP << "positioning action buttons...\n";
862  for(const auto& action : theme_.actions()) {
863  std::shared_ptr<gui::button> b = find_action_button(action.get_id());
864  if(b) {
865  const SDL_Rect& loc = action.location(screen_.screen_area());
866  b->set_location(loc);
867  b->set_measurements(0,0);
868  b->set_label(action.title());
869  b->set_image(action.image());
870  }
871  }
872 }
873 
875 {
876  std::vector<std::shared_ptr<gui::button>> menu_work;
877  std::vector<std::shared_ptr<gui::button>> action_work;
878 
879  DBG_DP << "creating menu buttons...\n";
880  for(const auto& menu : theme_.menus()) {
881  if (!menu.is_button()) continue;
882 
883  std::shared_ptr<gui::button> b(new gui::button(screen_, menu.title(), gui::button::TYPE_PRESS, menu.image(),
884  gui::button::DEFAULT_SPACE, false, menu.overlay()));
885  DBG_DP << "drawing button " << menu.get_id() << "\n";
886  b->join_same(this);
887  b->set_id(menu.get_id());
888  if (!menu.tooltip().empty()){
889  b->set_tooltip_string(menu.tooltip());
890  }
891 
892  std::shared_ptr<gui::button> b_prev = find_menu_button(b->id());
893  if(b_prev) {
894  b->enable(b_prev->enabled());
895  }
896 
897  menu_work.push_back(b);
898  }
899 
900  DBG_DP << "creating action buttons...\n";
901  for(const auto& action : theme_.actions()) {
902  std::shared_ptr<gui::button> b(new gui::button(screen_, action.title(), string_to_button_type(action.type()), action.image(),
903  gui::button::DEFAULT_SPACE, false, action.overlay()));
904 
905  DBG_DP << "drawing button " << action.get_id() << "\n";
906  b->set_id(action.get_id());
907  b->join_same(this);
908  if (!action.tooltip(0).empty()){
909  b->set_tooltip_string(action.tooltip(0));
910  }
911 
912  std::shared_ptr<gui::button> b_prev = find_action_button(b->id());
913  if(b_prev) {
914  b->enable(b_prev->enabled());
915  if (b_prev->get_type() == gui::button::TYPE_CHECK) {
916  b->set_check(b_prev->checked());
917  }
918  }
919 
920  action_work.push_back(b);
921  }
922 
923 
924  menu_buttons_.clear();
925  menu_buttons_.assign(menu_work.begin(), menu_work.end());
926  action_buttons_.clear();
927  action_buttons_.assign(action_work.begin(), action_work.end());
928 
929  layout_buttons();
930  DBG_DP << "buttons created\n";
931 }
932 
934 {
935  for (std::shared_ptr<gui::button> btn : menu_buttons_) {
936  btn->set_dirty(true);
937  btn->draw();
938  }
939 
940  for (std::shared_ptr<gui::button> btn : action_buttons_) {
941  btn->set_dirty(true);
942  btn->draw();
943  }
944 }
945 
946 
948 {
950  if (type == "checkbox") { res = gui::button::TYPE_CHECK; }
951  else if (type == "image") { res = gui::button::TYPE_IMAGE; }
952  else if (type == "radiobox") { res = gui::button::TYPE_RADIO; }
953  else if (type == "turbo") { res = gui::button::TYPE_TURBO; }
954  return res;
955 }
956 
957 static const std::string& get_direction(std::size_t n)
958 {
959  static const std::array<std::string, 6> dirs {{ "-n", "-ne", "-se", "-s", "-sw", "-nw" }};
960  return dirs[n >= dirs.size() ? 0 : n];
961 }
962 
963 std::vector<surface> display::get_fog_shroud_images(const map_location& loc, image::TYPE image_type)
964 {
965  std::vector<std::string> names;
966 
967  adjacent_loc_array_t adjacent;
968  get_adjacent_tiles(loc, adjacent.data());
969 
970  enum visibility {FOG=0, SHROUD=1, CLEAR=2};
971  visibility tiles[6];
972 
973  const std::string* image_prefix[] =
975 
976  for(int i = 0; i < 6; ++i) {
977  if(shrouded(adjacent[i])) {
978  tiles[i] = SHROUD;
979  } else if(!fogged(loc) && fogged(adjacent[i])) {
980  tiles[i] = FOG;
981  } else {
982  tiles[i] = CLEAR;
983  }
984  }
985 
986  for(int v = FOG; v != CLEAR; ++v) {
987  // Find somewhere that doesn't have overlap to use as a starting point
988  int start;
989  for(start = 0; start != 6; ++start) {
990  if(tiles[start] != v) {
991  break;
992  }
993  }
994 
995  if(start == 6) {
996  // Completely surrounded by fog or shroud. This might have
997  // a special graphic.
998  const std::string name = *image_prefix[v] + "-all.png";
999  if ( image::exists(name) ) {
1000  names.push_back(name);
1001  // Proceed to the next visibility (fog -> shroud -> clear).
1002  continue;
1003  }
1004  // No special graphic found. We'll just combine some other images
1005  // and hope it works out.
1006  start = 0;
1007  }
1008 
1009  // Find all the directions overlap occurs from
1010  for (int i = (start+1)%6, cap1 = 0; i != start && cap1 != 6; ++cap1) {
1011  if(tiles[i] == v) {
1012  std::ostringstream stream;
1013  std::string name;
1014  stream << *image_prefix[v];
1015 
1016  for (int cap2 = 0; v == tiles[i] && cap2 != 6; i = (i+1)%6, ++cap2) {
1017  stream << get_direction(i);
1018 
1019  if(!image::exists(stream.str() + ".png")) {
1020  // If we don't have any surface at all,
1021  // then move onto the next overlapped area
1022  if(name.empty()) {
1023  i = (i+1)%6;
1024  }
1025  break;
1026  } else {
1027  name = stream.str();
1028  }
1029  }
1030 
1031  if(!name.empty()) {
1032  names.push_back(name + ".png");
1033  }
1034  } else {
1035  i = (i+1)%6;
1036  }
1037  }
1038  }
1039 
1040  // now get the surfaces
1041  std::vector<surface> res;
1042 
1043  for (std::string& name : names) {
1044  surface surf(image::get_image(name, image_type));
1045  if (surf)
1046  res.push_back(std::move(surf));
1047  }
1048 
1049  return res;
1050 }
1051 
1053  const std::string& timeid,
1055 {
1056  terrain_image_vector_.clear();
1057 
1058  terrain_builder::TERRAIN_TYPE builder_terrain_type =
1059  (terrain_type == FOREGROUND ?
1061 
1062  const terrain_builder::imagelist* const terrains = builder_->get_terrain_at(loc,
1063  timeid, builder_terrain_type);
1064 
1066 
1067  const time_of_day& tod = get_time_of_day(loc);
1068 
1069  //get all the light transitions
1070  adjacent_loc_array_t adjs;
1071  std::array<const time_of_day*, 6> atods;
1072  get_adjacent_tiles(loc, adjs.data());
1073  for(size_t d = 0; d < adjs.size(); ++d){
1074  atods[d] = &get_time_of_day(adjs[d]);
1075  }
1076 
1077  for(int d=0; d<6; ++d){
1078  /* concave
1079  _____
1080  / \
1081  / atod1 \_____
1082  \ !tod / \
1083  \_____/ atod2 \
1084  / \__\ !tod /
1085  / \_____/
1086  \ tod /
1087  \_____/*/
1088 
1089  const time_of_day& atod1 = *atods[d];
1090  const time_of_day& atod2 = *atods[(d + 1) % 6];
1091 
1092  if(atod1.color == tod.color || atod2.color == tod.color || atod1.color != atod2.color)
1093  continue;
1094 
1095  if(lt.empty()) {
1096  //color the full hex before adding transitions
1097  tod_color col = tod.color + color_adjust_;
1098  lt = image::get_light_string(0, col.r, col.g, col.b);
1099  }
1100 
1101  // add the directional transitions
1102  tod_color acol = atod1.color + color_adjust_;
1103  lt += image::get_light_string(d + 1, acol.r, acol.g, acol.b);
1104  }
1105  for(int d=0; d<6; ++d){
1106  /* convex 1
1107  _____
1108  / \
1109  / atod1 \_____
1110  \ !tod / \
1111  \_____/ atod2 \
1112  / \__\ tod /
1113  / \_____/
1114  \ tod /
1115  \_____/*/
1116 
1117  const time_of_day& atod1 = *atods[d];
1118  const time_of_day& atod2 = *atods[(d + 1) % 6];
1119 
1120  if(atod1.color == tod.color || atod1.color == atod2.color)
1121  continue;
1122 
1123  if(lt.empty()) {
1124  //color the full hex before adding transitions
1125  tod_color col = tod.color + color_adjust_;
1126  lt = image::get_light_string(0, col.r, col.g, col.b);
1127  }
1128 
1129  // add the directional transitions
1130  tod_color acol = atod1.color + color_adjust_;
1131  lt += image::get_light_string(d + 7, acol.r, acol.g, acol.b);
1132  }
1133  for(int d=0; d<6; ++d){
1134  /* convex 2
1135  _____
1136  / \
1137  / atod1 \_____
1138  \ tod / \
1139  \_____/ atod2 \
1140  / \__\ !tod /
1141  / \_____/
1142  \ tod /
1143  \_____/*/
1144 
1145  const time_of_day& atod1 = *atods[d];
1146  const time_of_day& atod2 = *atods[(d + 1) % 6];
1147 
1148  if(atod2.color == tod.color || atod1.color == atod2.color)
1149  continue;
1150 
1151  if(lt.empty()) {
1152  //color the full hex before adding transitions
1153  tod_color col = tod.color + color_adjust_;
1154  lt = image::get_light_string(0, col.r, col.g, col.b);
1155  }
1156 
1157  // add the directional transitions
1158  tod_color acol = atod2.color + color_adjust_;
1159  lt += image::get_light_string(d + 13, acol.r, acol.g, acol.b);
1160  }
1161 
1162  if(lt.empty()){
1163  tod_color col = tod.color + color_adjust_;
1164  if(!col.is_zero()){
1165  // no real lightmap needed but still color the hex
1166  lt = image::get_light_string(-1, col.r, col.g, col.b);
1167  }
1168  }
1169 
1170  if(terrains != nullptr) {
1171  // Cache the offmap name.
1172  // Since it is themeable it can change,
1173  // so don't make it static.
1174  const std::string off_map_name = "terrain/" + theme_.border().tile_image;
1175  for(const auto& terrain : *terrains) {
1176  const image::locator &image = animate_map_ ?
1177  terrain.get_current_frame() : terrain.get_first_frame();
1178 
1179  // We prevent ToD coloring and brightening of off-map tiles,
1180  // We need to test for the tile to be rendered and
1181  // not the location, since the transitions are rendered
1182  // over the offmap-terrain and these need a ToD coloring.
1183  surface surf;
1184  const bool off_map = (image.get_filename() == off_map_name || image.get_modifications().find("NO_TOD_SHIFT()") != std::string::npos);
1185 
1186  if(off_map) {
1187  surf = image::get_image(image, image::SCALED_TO_HEX);
1188  } else if(lt.empty()) {
1189  surf = image::get_image(image, image::SCALED_TO_HEX);
1190  } else {
1191  surf = image::get_lighted_image(image, lt, image::SCALED_TO_HEX);
1192  }
1193 
1194  if (surf) {
1195  terrain_image_vector_.push_back(std::move(surf));
1196  }
1197  }
1198  }
1199 }
1200 
1201 void display::drawing_buffer_add(const drawing_layer layer,
1202  const map_location& loc, int x, int y, const surface& surf,
1203  const SDL_Rect &clip)
1204 {
1205  drawing_buffer_.emplace_back(layer, loc, x, y, surf, clip);
1206 }
1207 
1208 void display::drawing_buffer_add(const drawing_layer layer,
1209  const map_location& loc, int x, int y,
1210  const std::vector<surface> &surf,
1211  const SDL_Rect &clip)
1212 {
1213  drawing_buffer_.emplace_back(layer, loc, x, y, surf, clip);
1214 }
1215 
1216 // FIXME: temporary method. Group splitting should be made
1217 // public into the definition of drawing_layer
1218 //
1219 // The drawing is done per layer_group, the range per group is [low, high).
1220 const std::array<display::drawing_layer, 4> display::drawing_buffer_key::layer_groups {{
1221  LAYER_TERRAIN_BG,
1222  LAYER_UNIT_FIRST,
1223  LAYER_UNIT_MOVE_DEFAULT,
1224  // Make sure the movement doesn't show above fog and reachmap.
1225  LAYER_REACHMAP
1226 }};
1227 
1228 enum {
1229  // you may adjust the following when needed:
1230 
1231  // maximum border. 3 should be safe even if a larger border is in use somewhere
1232  MAX_BORDER = 3,
1233 
1234  // store x, y, and layer in one 32 bit integer
1235  // 4 most significant bits == layer group => 16
1236  BITS_FOR_LAYER_GROUP = 4,
1237 
1238  // 10 second most significant bits == y => 1024
1239  BITS_FOR_Y = 10,
1240 
1241  // 1 third most significant bit == x parity => 2
1242  BITS_FOR_X_PARITY = 1,
1243 
1244  // 8 fourth most significant bits == layer => 256
1245  BITS_FOR_LAYER = 8,
1246 
1247  // 9 least significant bits == x / 2 => 512 (really 1024 for x)
1248  BITS_FOR_X_OVER_2 = 9
1249 };
1250 
1251 inline display::drawing_buffer_key::drawing_buffer_key(const map_location &loc, drawing_layer layer)
1252  : key_(0)
1253 {
1254  // Start with the index of last group entry...
1255  unsigned int group_i = layer_groups.size() - 1;
1256 
1257  // ...and works backwards until the group containing the specified layer is found.
1258  while(layer < layer_groups[group_i]) {
1259  --group_i;
1260  }
1261 
1262  enum {
1263  SHIFT_LAYER = BITS_FOR_X_OVER_2,
1264  SHIFT_X_PARITY = BITS_FOR_LAYER + SHIFT_LAYER,
1265  SHIFT_Y = BITS_FOR_X_PARITY + SHIFT_X_PARITY,
1266  SHIFT_LAYER_GROUP = BITS_FOR_Y + SHIFT_Y
1267  };
1268  static_assert(SHIFT_LAYER_GROUP + BITS_FOR_LAYER_GROUP == sizeof(key_) * 8, "Bit field too small");
1269 
1270  // the parity of x must be more significant than the layer but less significant than y.
1271  // Thus basically every row is split in two: First the row containing all the odd x
1272  // then the row containing all the even x. Since thus the least significant bit of x is
1273  // not required for x ordering anymore it can be shifted out to the right.
1274  const unsigned int x_parity = static_cast<unsigned int>(loc.x) & 1;
1275  key_ = (group_i << SHIFT_LAYER_GROUP) | (static_cast<unsigned int>(loc.y + MAX_BORDER) << SHIFT_Y);
1276  key_ |= (x_parity << SHIFT_X_PARITY);
1277  key_ |= (static_cast<unsigned int>(layer) << SHIFT_LAYER) | static_cast<unsigned int>(loc.x + MAX_BORDER) / 2;
1278 }
1279 
1280 void display::drawing_buffer_commit()
1281 {
1282  // std::list::sort() is a stable sort
1283  drawing_buffer_.sort();
1284 
1285  SDL_Rect clip_rect = map_area();
1286  surface& screen = get_screen_surface();
1287  clip_rect_setter set_clip_rect(screen, &clip_rect);
1288 
1289  /*
1290  * Info regarding the rendering algorithm.
1291  *
1292  * In order to render a hex properly it needs to be rendered per row. On
1293  * this row several layers need to be drawn at the same time. Mainly the
1294  * unit and the background terrain. This is needed since both can spill
1295  * in the next hex. The foreground terrain needs to be drawn before to
1296  * avoid decapitation a unit.
1297  *
1298  * This ended in the following priority order:
1299  * layergroup > location > layer > 'blit_helper' > surface
1300  */
1301 
1302  for (const blit_helper &blit : drawing_buffer_) {
1303  for (const surface& surf : blit.surf()) {
1304  // Note that dstrect can be changed by sdl_blit
1305  // and so a new instance should be initialized
1306  // to pass to each call to sdl_blit.
1307  SDL_Rect dstrect {blit.x(), blit.y(), 0, 0};
1308  SDL_Rect srcrect = blit.clip();
1309  SDL_Rect *srcrectArg = (srcrect.x | srcrect.y | srcrect.w | srcrect.h)
1310  ? &srcrect : nullptr;
1311  sdl_blit(surf, srcrectArg, screen, &dstrect);
1312  //NOTE: the screen part should already be marked as 'to update'
1313  }
1314  }
1316 }
1317 
1319 {
1320  drawing_buffer_.clear();
1321 }
1322 
1324 {
1325  benchmark = !benchmark;
1326 }
1327 
1329 {
1330  debug_foreground = !debug_foreground;
1331 }
1332 
1334 {
1335  if(video().faked()) {
1336  return;
1337  }
1338 
1339  surface& frameBuffer = video().getSurface();
1340 
1341  font::draw_floating_labels(frameBuffer);
1343 
1344  video().flip();
1345 
1347  font::undraw_floating_labels(frameBuffer);
1348 }
1349 
1350 // frametime is in milliseconds
1351 static unsigned calculate_fps(unsigned frametime)
1352 {
1353  return frametime != 0u ? 1000u / frametime : 999u;
1354 }
1355 
1357 {
1358  if (screen_.update_locked()) {
1359  return;
1360  }
1361 
1362  if(preferences::show_fps() || benchmark) {
1363  static int frames = 0;
1364  ++frames;
1365  const int sample_freq = 10;
1366  if(frames == sample_freq) {
1367  const auto minmax_it = std::minmax_element(frametimes_.begin(), frametimes_.end());
1368  const unsigned render_avg = std::accumulate(frametimes_.begin(), frametimes_.end(), 0) / frametimes_.size();
1369  const int avg_fps = calculate_fps(render_avg);
1370  const int max_fps = calculate_fps(*minmax_it.first);
1371  const int min_fps = calculate_fps(*minmax_it.second);
1372  frames = 0;
1373 
1374  if(fps_handle_ != 0) {
1376  fps_handle_ = 0;
1377  }
1378  std::ostringstream stream;
1379  stream << "<tt> min/avg/max/act</tt>\n";
1380  stream << "<tt>FPS: " << std::setfill(' ') << std::setw(3) << min_fps << '/'<< std::setw(3) << avg_fps << '/' << std::setw(3) << max_fps << '/' << std::setw(3) << fps_actual_ << "</tt>\n";
1381  stream << "<tt>Time: " << std::setfill(' ') << std::setw(3) << *minmax_it.first << '/' << std::setw(3) << render_avg << '/' << std::setw(3) << *minmax_it.second << " ms</tt>\n";
1382  if (game_config::debug) {
1383  stream << "\nhex: " << drawn_hexes_*1.0/sample_freq;
1385  stream << " (" << (invalidated_hexes_-drawn_hexes_)*1.0/sample_freq << ")";
1386  }
1387  drawn_hexes_ = 0;
1388  invalidated_hexes_ = 0;
1389 
1390  font::floating_label flabel(stream.str());
1391  flabel.set_font_size(12);
1392  flabel.set_color(benchmark ? font::BAD_COLOR : font::NORMAL_COLOR);
1393  flabel.set_position(10, 100);
1394  flabel.set_alignment(font::LEFT_ALIGN);
1395 
1397  }
1398  } else if(fps_handle_ != 0) {
1400  fps_handle_ = 0;
1401  drawn_hexes_ = 0;
1402  invalidated_hexes_ = 0;
1403  }
1404 
1405  flip();
1406 }
1407 static void draw_panel(CVideo &video, const theme::panel& panel, std::vector<std::shared_ptr<gui::button>>& /*buttons*/)
1408 {
1409  //log_scope("draw panel");
1410  DBG_DP << "drawing panel " << panel.get_id() << "\n";
1411 
1412  surface surf(image::get_image(panel.image()));
1413 
1414  const SDL_Rect screen = video.screen_area();
1415  SDL_Rect& loc = panel.location(screen);
1416 
1417  DBG_DP << "panel location: x=" << loc.x << ", y=" << loc.y
1418  << ", w=" << loc.w << ", h=" << loc.h << "\n";
1419 
1420  if(surf) {
1421  if(surf->w != loc.w || surf->h != loc.h) {
1422  surf = tile_surface(surf,loc.w,loc.h);
1423  }
1424  video.blit_surface(loc.x, loc.y, surf);
1425  }
1426 }
1427 
1428 static void draw_label(CVideo& video, surface target, const theme::label& label)
1429 {
1430  //log_scope("draw label");
1431 
1432  const color_t& RGB = label.font_rgb();
1433 
1434  std::string c_start="<";
1435  std::string c_sep=",";
1436  std::string c_end=">";
1437  std::stringstream color;
1438  color<< c_start << RGB.r << c_sep << RGB.g << c_sep << RGB.b << c_end;
1439  std::string text = label.text();
1440 
1441  if(label.font_rgb_set()) {
1442  color<<text;
1443  text = color.str();
1444  }
1445  const std::string& icon = label.icon();
1446  SDL_Rect& loc = label.location(video.screen_area());
1447 
1448  if(icon.empty() == false) {
1449  surface surf(image::get_image(icon));
1450  if(surf) {
1451  if(surf->w > loc.w || surf->h > loc.h) {
1452  surf = scale_surface(surf,loc.w,loc.h);
1453  }
1454 
1455  sdl_blit(surf,nullptr,target,&loc);
1456  }
1457 
1458  if(text.empty() == false) {
1459  tooltips::add_tooltip(loc,text);
1460  }
1461  } else if(text.empty() == false) {
1462  font::draw_text(&video,loc,label.font_size(),font::NORMAL_COLOR,text,loc.x,loc.y);
1463  }
1464 
1465 }
1466 
1468 {
1469  surface& screen(screen_.getSurface());
1470 
1471  /*
1472  * The minimap is also a panel, force it to update its contents.
1473  * This is required when the size of the minimap has been modified.
1474  */
1476 
1477  for(const auto& panel : theme_.panels()) {
1478  draw_panel(video(), panel, menu_buttons_);
1479  }
1480 
1481  for(const auto& label : theme_.labels()) {
1482  draw_label(video(), screen, label);
1483  }
1484 
1485  render_buttons();
1486 }
1487 
1488 static void draw_background(surface screen, const SDL_Rect& area, const std::string& image)
1489 {
1490  // No background image, just fill in black.
1491  if(image.empty()) {
1492  sdl::fill_rectangle(area, color_t(0, 0, 0));
1493  return;
1494  }
1495 
1496  const surface background(image::get_image(image));
1497  if(!background) {
1498  return;
1499  }
1500 
1501  const unsigned int width = background->w;
1502  const unsigned int height = background->h;
1503 
1504  const unsigned int w_count = static_cast<int>(std::ceil(static_cast<double>(area.w) / static_cast<double>(width)));
1505  const unsigned int h_count = static_cast<int>(std::ceil(static_cast<double>(area.h) / static_cast<double>(height)));
1506 
1507  for(unsigned int w = 0, w_off = area.x; w < w_count; ++w, w_off += width) {
1508  for(unsigned int h = 0, h_off = area.y; h < h_count; ++h, h_off += height) {
1509  SDL_Rect clip = sdl::create_rect(w_off, h_off, 0, 0);
1510  sdl_blit(background, nullptr, screen, &clip);
1511  }
1512  }
1513 }
1514 
1516  const drawing_layer layer,
1517  const std::string& text,
1518  std::size_t font_size,
1519  color_t color,
1520  double x_in_hex,
1521  double y_in_hex)
1522 {
1523  if (text.empty()) return;
1524 
1525  const std::size_t font_sz = static_cast<std::size_t>(font_size * get_zoom_factor());
1526 
1527  surface text_surf = font::get_rendered_text(text, font_sz, color);
1528  surface back_surf = font::get_rendered_text(text, font_sz, font::BLACK_COLOR);
1529  const int x = get_location_x(loc) - text_surf->w/2
1530  + static_cast<int>(x_in_hex* hex_size());
1531  const int y = get_location_y(loc) - text_surf->h/2
1532  + static_cast<int>(y_in_hex* hex_size());
1533  for (int dy=-1; dy <= 1; ++dy) {
1534  for (int dx=-1; dx <= 1; ++dx) {
1535  if (dx!=0 || dy!=0) {
1536  drawing_buffer_add(layer, loc, x + dx, y + dy, back_surf);
1537  }
1538  }
1539  }
1540  drawing_buffer_add(layer, loc, x, y, text_surf);
1541 }
1542 
1543 //TODO: convert this to use sdl::ttexture
1545  const map_location& loc, surface image,
1546  bool hreverse, bool greyscale, fixed_t alpha,
1547  color_t blendto, double blend_ratio, double submerged, bool vreverse)
1548 {
1549  if (image==nullptr)
1550  return;
1551 
1552  SDL_Rect image_rect {x, y, image->w, image->h};
1553  SDL_Rect clip_rect = map_area();
1554  if (!sdl::rects_overlap(image_rect, clip_rect))
1555  return;
1556 
1557  surface surf(image);
1558 
1559  if(hreverse) {
1560  surf = image::reverse_image(surf);
1561  }
1562  if(vreverse) {
1563  surf = flop_surface(surf);
1564  }
1565 
1566  if(greyscale) {
1567  surf = greyscale_image(surf);
1568  }
1569 
1570  if(blend_ratio != 0) {
1571  surf = blend_surface(surf, blend_ratio, blendto);
1572  }
1573  if(alpha > ftofxp(1.0)) {
1574  surf = brighten_image(surf, alpha);
1575  //} else if(alpha != 1.0 && blendto != 0) {
1576  // surf.assign(blend_surface(surf,1.0-alpha,blendto));
1577  } else if(alpha != ftofxp(1.0)) {
1578  surf = surf.clone();
1579  adjust_surface_alpha(surf, alpha);
1580  }
1581 
1582  if(surf == nullptr) {
1583  ERR_DP << "surface lost..." << std::endl;
1584  return;
1585  }
1586 
1587  if(submerged > 0.0) {
1588  // divide the surface into 2 parts
1589  const int submerge_height = std::max<int>(0, surf->h*(1.0-submerged));
1590  const int depth = surf->h - submerge_height;
1591  SDL_Rect srcrect {0, 0, surf->w, submerge_height};
1592  drawing_buffer_add(drawing_layer, loc, x, y, surf, srcrect);
1593 
1594  if(submerge_height != surf->h) {
1595  //the lower part will be transparent
1596  float alpha_base = 0.3f; // 30% alpha at surface of water
1597  float alpha_delta = 0.015f; // lose 1.5% per pixel depth
1598  alpha_delta *= zoom_ / DefaultZoom; // adjust with zoom
1599  surf = submerge_alpha(surf, depth, alpha_base, alpha_delta);
1600 
1601  srcrect.y = submerge_height;
1602  srcrect.h = surf->h-submerge_height;
1603  y += submerge_height;
1604 
1605  drawing_buffer_add(drawing_layer, loc, x, y, surf, srcrect);
1606  }
1607  } else {
1608  // simple blit
1609  drawing_buffer_add(drawing_layer, loc, x, y, surf);
1610  }
1611 }
1613 {
1615  selectedHex_ = hex;
1618 }
1619 
1621 {
1623  mouseoverHex_ = hex;
1625 }
1626 
1628 {
1629  if(diagnostic_label_ != 0) {
1631  diagnostic_label_ = 0;
1632  }
1633 
1634  if(!msg.empty()) {
1635  font::floating_label flabel(msg);
1637  flabel.set_color(font::YELLOW_COLOR);
1638  flabel.set_position(300, 50);
1639  flabel.set_clip_rect(map_outside_area());
1640 
1642  }
1643 }
1644 
1646 {
1647  if (get_map().empty()) {
1648  return;
1649  }
1650 
1651  if(benchmark) {
1652  invalidateAll_ = true;
1653  }
1654 
1655  if(!panelsDrawn_) {
1656  draw_all_panels();
1657  panelsDrawn_ = true;
1658  }
1659 
1660  if(redraw_background_) {
1661  // Full redraw of the background
1662  const SDL_Rect clip_rect = map_outside_area();
1663  const surface& screen = get_screen_surface();
1664  clip_rect_setter set_clip_rect(screen, &clip_rect);
1665  SDL_FillRect(screen, &clip_rect, 0x00000000);
1666  draw_background(screen, clip_rect, theme_.border().background_image);
1667  redraw_background_ = false;
1668 
1669  // Force a full map redraw
1670  invalidateAll_ = true;
1671  }
1672 
1673  if(invalidateAll_) {
1674  DBG_DP << "draw() with invalidateAll\n";
1675 
1676  // toggle invalidateAll_ first to allow regular invalidations
1677  invalidateAll_ = false;
1679 
1680  redrawMinimap_ = true;
1681  }
1682 }
1683 
1684 void display::draw_wrap(bool update, bool force)
1685 {
1686  static int time_between_draws = preferences::draw_delay();
1687  if(time_between_draws < 0) {
1688  time_between_draws = 1000 / screen_.current_refresh_rate();
1689  }
1690 
1691  if(redrawMinimap_) {
1692  redrawMinimap_ = false;
1693  draw_minimap();
1694  }
1695 
1696  if(update) {
1697  update_display();
1698 
1699  frametimes_.push_back(SDL_GetTicks() - last_frame_finished_);
1700  fps_counter_++;
1701  using std::chrono::duration_cast;
1702  using std::chrono::seconds;
1703  using std::chrono::steady_clock;
1704  const seconds current_second = duration_cast<seconds>(steady_clock::now().time_since_epoch());
1705  if(current_second != fps_start_) {
1706  fps_start_ = current_second;
1708  fps_counter_ = 0;
1709  }
1710  int longest_frame = *std::max_element(frametimes_.begin(), frametimes_.end());
1711  int wait_time = time_between_draws - longest_frame;
1712 
1713  if(!force && !benchmark && wait_time > 0) {
1714  // If it's not time yet to draw, delay until it is
1715  SDL_Delay(wait_time);
1716  }
1717 
1718  last_frame_finished_ = SDL_GetTicks();
1719  }
1720 }
1721 
1723 {
1724  for(auto i = action_buttons_.begin(); i != action_buttons_.end(); ++i) {
1725  if((*i)->pressed()) {
1726  const std::size_t index = std::distance(action_buttons_.begin(), i);
1727  if(index >= theme_.actions().size()) {
1728  assert(false);
1729  return nullptr;
1730  }
1731  return &theme_.actions()[index];
1732  }
1733  }
1734 
1735  return nullptr;
1736 }
1737 
1739 {
1740  for(auto i = menu_buttons_.begin(); i != menu_buttons_.end(); ++i) {
1741  if((*i)->pressed()) {
1742  const std::size_t index = std::distance(menu_buttons_.begin(), i);
1743  if(index >= theme_.menus().size()) {
1744  assert(false);
1745  return nullptr;
1746  }
1747  return theme_.get_menu_item((*i)->id());
1748  }
1749  }
1750 
1751  return nullptr;
1752 }
1753 
1754 void display::enable_menu(const std::string& item, bool enable)
1755 {
1756  for(auto menu = theme_.menus().begin(); menu != theme_.menus().end(); ++menu) {
1757 
1758  const auto hasitem = std::find_if(menu->items().begin(), menu->items().end(),
1759  [&item](const config& c) { return c["id"].str() == item; }
1760  );
1761 
1762  if(hasitem != menu->items().end()) {
1763  const std::size_t index = std::distance(theme_.menus().begin(), menu);
1764  if(index >= menu_buttons_.size()) {
1765  continue;
1766  }
1767  menu_buttons_[index]->enable(enable);
1768  }
1769  }
1770 }
1771 
1772 void display::announce(const std::string& message, const color_t& color, const announce_options& options)
1773 {
1774  if(options.discard_previous) {
1775  font::remove_floating_label(prevLabel);
1776  }
1777  font::floating_label flabel(message);
1779  flabel.set_color(color);
1781  map_outside_area().y + map_outside_area().h/3);
1782  flabel.set_lifetime(options.lifetime);
1783  flabel.set_clip_rect(map_outside_area());
1784 
1785  prevLabel = font::add_floating_label(flabel);
1786 }
1787 
1789 {
1790  const SDL_Rect& area = minimap_area();
1791 
1792  if(area.w == 0 || area.h == 0) {
1793  return;
1794  }
1795 
1796  if(minimap_ == nullptr || minimap_->w > area.w || minimap_->h > area.h) {
1797  minimap_ = image::getMinimap(area.w, area.h, get_map(),
1798  dc_->teams().empty() ? nullptr : &dc_->teams()[currentTeam_],
1799  (selectedHex_.valid() && !is_blindfolded()) ? &reach_map_ : nullptr);
1800  if(minimap_ == nullptr) {
1801  return;
1802  }
1803  }
1804 
1805  const surface& screen(screen_.getSurface());
1806  clip_rect_setter clip_setter(screen, &area);
1807 
1808  color_t back_color {31,31,23,SDL_ALPHA_OPAQUE};
1809  draw_centered_on_background(minimap_, area, back_color, screen);
1810 
1811  //update the minimap location for mouse and units functions
1812  minimap_location_.x = area.x + (area.w - minimap_->w) / 2;
1813  minimap_location_.y = area.y + (area.h - minimap_->h) / 2;
1814  minimap_location_.w = minimap_->w;
1815  minimap_location_.h = minimap_->h;
1816 
1818 
1819  // calculate the visible portion of the map:
1820  // scaling between minimap and full map images
1821  double xscaling = 1.0*minimap_->w / (get_map().w()*hex_width());
1822  double yscaling = 1.0*minimap_->h / (get_map().h()*hex_size());
1823 
1824  // we need to shift with the border size
1825  // and the 0.25 from the minimap balanced drawing
1826  // and the possible difference between real map and outside off-map
1827  SDL_Rect map_rect = map_area();
1828  SDL_Rect map_out_rect = map_outside_area();
1829  double border = theme_.border().size;
1830  double shift_x = - border*hex_width() - (map_out_rect.w - map_rect.w) / 2;
1831  double shift_y = - (border+0.25)*hex_size() - (map_out_rect.h - map_rect.h) / 2;
1832 
1833  int view_x = static_cast<int>((xpos_ + shift_x) * xscaling);
1834  int view_y = static_cast<int>((ypos_ + shift_y) * yscaling);
1835  int view_w = static_cast<int>(map_out_rect.w * xscaling);
1836  int view_h = static_cast<int>(map_out_rect.h * yscaling);
1837 
1838  SDL_Rect outline_rect {
1839  minimap_location_.x + view_x - 1,
1840  minimap_location_.y + view_y - 1,
1841  view_w + 2,
1842  view_h + 2
1843  };
1844 
1845  // SDL 2.0.10's render batching changes result in the
1846  // surface's clipping rectangle being overridden even if
1847  // no render clipping rectangle set operaton was queued,
1848  // so let's not use the render API to draw the rectangle.
1849 
1850  const SDL_Rect outline_parts[] = {
1851  // top
1852  { outline_rect.x, outline_rect.y, outline_rect.w, 1 },
1853  // bottom
1854  { outline_rect.x, outline_rect.y + outline_rect.h, outline_rect.w, 1 },
1855  // left
1856  { outline_rect.x, outline_rect.y, 1, outline_rect.h },
1857  // right
1858  { outline_rect.x + outline_rect.w - 1, outline_rect.y, 1, outline_rect.h },
1859  };
1860 
1861  for(const auto& r : outline_parts) {
1862  SDL_FillRect(screen_.getSurface(), &r, 0x00FFFFFF);
1863  }
1864 }
1865 
1867 {
1868  if (!preferences::minimap_draw_units() || is_blindfolded()) return;
1869 
1870  double xscaling = 1.0 * minimap_location_.w / get_map().w();
1871  double yscaling = 1.0 * minimap_location_.h / get_map().h();
1872 
1873  for(const auto& u : dc_->units()) {
1874  if (fogged(u.get_location()) ||
1875  (dc_->teams()[currentTeam_].is_enemy(u.side()) &&
1876  u.invisible(u.get_location())) ||
1877  u.get_hidden()) {
1878  continue;
1879  }
1880 
1881  int side = u.side();
1882  color_t col = team::get_minimap_color(side);
1883 
1885  auto status = orb_status::allied;
1886  if(dc_->teams()[currentTeam_].is_enemy(side)) {
1887  status = orb_status::enemy;
1888  } else if(currentTeam_ + 1 == static_cast<unsigned>(side)) {
1889  status = dc_->unit_orb_status(u);
1890  } else {
1891  // no-op, status is already set to orb_status::allied;
1892  }
1894  }
1895 
1896  double u_x = u.get_location().x * xscaling;
1897  double u_y = (u.get_location().y + (is_odd(u.get_location().x) ? 1 : -1)/4.0) * yscaling;
1898  // use 4/3 to compensate the horizontal hexes imbrication
1899  double u_w = 4.0 / 3.0 * xscaling;
1900  double u_h = yscaling;
1901 
1902  SDL_Rect r {
1903  minimap_location_.x + int(std::round(u_x))
1904  , minimap_location_.y + int(std::round(u_y))
1905  , int(std::round(u_w))
1906  , int(std::round(u_h))
1907  };
1908 
1909  // SDL 2.0.10's render batching changes result in the
1910  // surface's clipping rectangle being overridden even if
1911  // no render clipping rectangle set operaton was queued,
1912  // so let's not use the render API to draw the rectangle.
1913 
1914  SDL_FillRect(screen_.getSurface(), &r, col.to_argb_bytes());
1915  }
1916 }
1917 
1918 bool display::scroll(int xmove, int ymove, bool force)
1919 {
1920  if(view_locked_ && !force) {
1921  return false;
1922  }
1923 
1924  // No move offset, do nothing.
1925  if(xmove == 0 && ymove == 0) {
1926  return false;
1927  }
1928 
1929  int new_x = xpos_ + xmove;
1930  int new_y = ypos_ + ymove;
1931 
1932  bounds_check_position(new_x, new_y);
1933 
1934  // Camera position doesn't change, exit.
1935  if(xpos_ == new_x && ypos_ == new_y) {
1936  return false;
1937  }
1938 
1939  const int diff_x = xpos_ - new_x;
1940  const int diff_y = ypos_ - new_y;
1941 
1942  xpos_ = new_x;
1943  ypos_ = new_y;
1944 
1945  /* Adjust floating label positions. This only affects labels whose position is anchored
1946  * to the map instead of the screen. In order to do that, we want to adjust their drawing
1947  * coordinates in the opposite direction of the screen scroll.
1948  *
1949  * The check a few lines up prevents any scrolling from happening if the camera position
1950  * doesn't change. Without that, the label still scroll even when the map edge is reached.
1951  * If that's removed, the following formula should work instead:
1952  *
1953  * const int label_[x,y]_adjust = [x,y]pos_ - new_[x,y];
1954  */
1955  font::scroll_floating_labels(diff_x, diff_y);
1956 
1958 
1959  //
1960  // NOTE: the next three blocks can be removed once we switch to accelerated rendering.
1961  //
1962 
1963  if(!screen_.update_locked()) {
1964  surface& screen(screen_.getSurface());
1965 
1966  SDL_Rect dstrect = map_area();
1967  dstrect.x += diff_x;
1968  dstrect.y += diff_y;
1969  dstrect = sdl::intersect_rects(dstrect, map_area());
1970 
1971  SDL_Rect srcrect = dstrect;
1972  srcrect.x -= diff_x;
1973  srcrect.y -= diff_y;
1974 
1975  // This is a workaround for a SDL2 bug when blitting on overlapping surfaces. The bug
1976  // only strikes during scrolling, but will then duplicate textures across the entire map.
1977  surface screen_copy = screen.clone();
1978 
1979  SDL_SetSurfaceBlendMode(screen_copy, SDL_BLENDMODE_NONE);
1980  SDL_BlitSurface(screen_copy, &srcrect, screen, &dstrect);
1981  }
1982 
1983  if(diff_y != 0) {
1984  SDL_Rect r = map_area();
1985 
1986  if(diff_y < 0) {
1987  r.y = r.y + r.h + diff_y;
1988  }
1989 
1990  r.h = std::abs(diff_y);
1992  }
1993 
1994  if(diff_x != 0) {
1995  SDL_Rect r = map_area();
1996 
1997  if(diff_x < 0) {
1998  r.x = r.x + r.w + diff_x;
1999  }
2000 
2001  r.w = std::abs(diff_x);
2003  }
2004 
2006 
2007  redrawMinimap_ = true;
2008 
2009  return true;
2010 }
2011 
2013 {
2014  return zoom_ == MaxZoom;
2015 }
2016 
2018 {
2019  return zoom_ == MinZoom;
2020 }
2021 
2022 bool display::set_zoom(bool increase)
2023 {
2024  // Ensure we don't try to access nonexistent vector indices.
2025  zoom_index_ = utils::clamp(increase ? zoom_index_ + 1 : zoom_index_ - 1, 0, final_zoom_index);
2026 
2027  // No validation check is needed in the next step since we've already set the index here and
2028  // know the new zoom value is indeed valid.
2029  return set_zoom(zoom_levels[zoom_index_], false);
2030 }
2031 
2032 bool display::set_zoom(unsigned int amount, const bool validate_value_and_set_index)
2033 {
2034  unsigned int new_zoom = utils::clamp(amount, MinZoom, MaxZoom);
2035 
2036  LOG_DP << "new_zoom = " << new_zoom << std::endl;
2037 
2038  if(new_zoom == zoom_) {
2039  return false;
2040  }
2041 
2042  if(validate_value_and_set_index) {
2043  zoom_index_ = get_zoom_levels_index (new_zoom);
2044  new_zoom = zoom_levels[zoom_index_];
2045  }
2046 
2047  const SDL_Rect& outside_area = map_outside_area();
2048  const SDL_Rect& area = map_area();
2049 
2050  // Turn the zoom factor to a double in order to avoid rounding errors.
2051  double zoom_factor = static_cast<double>(new_zoom) / static_cast<double>(zoom_);
2052 
2053  // INVARIANT: xpos_ + area.w == xend where xend is as in bounds_check_position()
2054  //
2055  // xpos_: Position of the leftmost visible map pixel of the viewport, in pixels.
2056  // Affected by the current zoom: this->zoom_ pixels to the hex.
2057  //
2058  // xpos_ + area.w/2: Position of the center of the viewport, in pixels.
2059  //
2060  // (xpos_ + area.w/2) * new_zoom/zoom_: Position of the center of the
2061  // viewport, as it would be under new_zoom.
2062  //
2063  // (xpos_ + area.w/2) * new_zoom/zoom_ - area.w/2: Position of the
2064  // leftmost visible map pixel, as it would be under new_zoom.
2065  xpos_ = std::round(((xpos_ + area.w / 2) * zoom_factor) - (area.w / 2));
2066  ypos_ = std::round(((ypos_ + area.h / 2) * zoom_factor) - (area.h / 2));
2067  xpos_ -= (outside_area.w - area.w) / 2;
2068  ypos_ -= (outside_area.h - area.h) / 2;
2069 
2070  zoom_ = new_zoom;
2072  if(zoom_ != DefaultZoom) {
2073  last_zoom_ = zoom_;
2074  }
2075 
2078 
2080  redraw_background_ = true;
2081  invalidate_all();
2082 
2083  // Forces a redraw after zooming.
2084  // This prevents some graphic glitches from occurring.
2085  draw();
2086 
2087  return true;
2088 }
2089 
2091 {
2092  if (zoom_ != DefaultZoom) {
2093  last_zoom_ = zoom_;
2095  } else {
2096  // When we are already at the default zoom,
2097  // switch to the last zoom used
2099  }
2100 }
2101 
2103 {
2104  int x = get_location_x(loc);
2105  int y = get_location_y(loc);
2106  return !outside_area(map_area(), x, y);
2107 }
2108 
2110 {
2111  int x = get_location_x(loc);
2112  int y = get_location_y(loc);
2113  const SDL_Rect &area = map_area();
2114  int hw = hex_width(), hs = hex_size();
2115  return x + hs >= area.x - hw && x < area.x + area.w + hw &&
2116  y + hs >= area.y - hs && y < area.y + area.h + hs;
2117 }
2118 
2119 void display::scroll_to_xy(int screenxpos, int screenypos, SCROLL_TYPE scroll_type, bool force)
2120 {
2121  if(!force && (view_locked_ || !preferences::scroll_to_action())) return;
2122  if(screen_.update_locked()) {
2123  return;
2124  }
2125  const SDL_Rect area = map_area();
2126  const int xmove_expected = screenxpos - (area.x + area.w/2);
2127  const int ymove_expected = screenypos - (area.y + area.h/2);
2128 
2129  int xpos = xpos_ + xmove_expected;
2130  int ypos = ypos_ + ymove_expected;
2131  bounds_check_position(xpos, ypos);
2132  int xmove = xpos - xpos_;
2133  int ymove = ypos - ypos_;
2134 
2135  if(scroll_type == WARP || scroll_type == ONSCREEN_WARP || turbo_speed() > 2.0 || preferences::scroll_speed() > 99) {
2136  scroll(xmove,ymove,true);
2137  draw();
2138  return;
2139  }
2140 
2141  // Doing an animated scroll, with acceleration etc.
2142 
2143  int x_old = 0;
2144  int y_old = 0;
2145 
2146  const double dist_total = std::hypot(xmove, ymove);
2147  double dist_moved = 0.0;
2148 
2149  int t_prev = SDL_GetTicks();
2150 
2151  double velocity = 0.0;
2152  while (dist_moved < dist_total) {
2153  events::pump();
2154 
2155  int t = SDL_GetTicks();
2156  double dt = (t - t_prev) / 1000.0;
2157  if (dt > 0.200) {
2158  // Do not skip too many frames on slow PCs
2159  dt = 0.200;
2160  }
2161  t_prev = t;
2162 
2163  const double accel_time = 0.3 / turbo_speed(); // seconds until full speed is reached
2164  const double decel_time = 0.4 / turbo_speed(); // seconds from full speed to stop
2165 
2166  double velocity_max = preferences::scroll_speed() * 60.0;
2167  velocity_max *= turbo_speed();
2168  double accel = velocity_max / accel_time;
2169  double decel = velocity_max / decel_time;
2170 
2171  // If we started to decelerate now, where would we stop?
2172  double stop_time = velocity / decel;
2173  double dist_stop = dist_moved + velocity*stop_time - 0.5*decel*stop_time*stop_time;
2174  if (dist_stop > dist_total || velocity > velocity_max) {
2175  velocity -= decel * dt;
2176  if (velocity < 1.0) velocity = 1.0;
2177  } else {
2178  velocity += accel * dt;
2179  if (velocity > velocity_max) velocity = velocity_max;
2180  }
2181 
2182  dist_moved += velocity * dt;
2183  if (dist_moved > dist_total) dist_moved = dist_total;
2184 
2185  int x_new = std::round(xmove * dist_moved / dist_total);
2186  int y_new = std::round(ymove * dist_moved / dist_total);
2187 
2188  int dx = x_new - x_old;
2189  int dy = y_new - y_old;
2190 
2191  scroll(dx,dy,true);
2192  x_old += dx;
2193  y_old += dy;
2194  draw();
2195  }
2196 }
2197 
2198 void display::scroll_to_tile(const map_location& loc, SCROLL_TYPE scroll_type, bool check_fogged, bool force)
2199 {
2200  if(get_map().on_board(loc) == false) {
2201  ERR_DP << "Tile at " << loc << " isn't on the map, can't scroll to the tile." << std::endl;
2202  return;
2203  }
2204 
2205  std::vector<map_location> locs;
2206  locs.push_back(loc);
2207  scroll_to_tiles(locs, scroll_type, check_fogged,false,0.0,force);
2208 }
2209 
2211  SCROLL_TYPE scroll_type, bool check_fogged,
2212  double add_spacing, bool force)
2213 {
2214  std::vector<map_location> locs;
2215  locs.push_back(loc1);
2216  locs.push_back(loc2);
2217  scroll_to_tiles(locs, scroll_type, check_fogged, false, add_spacing,force);
2218 }
2219 
2220 void display::scroll_to_tiles(const std::vector<map_location>::const_iterator & begin,
2221  const std::vector<map_location>::const_iterator & end,
2222  SCROLL_TYPE scroll_type, bool check_fogged,
2223  bool only_if_possible, double add_spacing, bool force)
2224 {
2225  // basically we calculate the min/max coordinates we want to have on-screen
2226  int minx = 0;
2227  int maxx = 0;
2228  int miny = 0;
2229  int maxy = 0;
2230  bool valid = false;
2231 
2232  for(std::vector<map_location>::const_iterator itor = begin; itor != end ; ++itor) {
2233  if(get_map().on_board(*itor) == false) continue;
2234  if(check_fogged && fogged(*itor)) continue;
2235 
2236  int x = get_location_x(*itor);
2237  int y = get_location_y(*itor);
2238 
2239  if (!valid) {
2240  minx = x;
2241  maxx = x;
2242  miny = y;
2243  maxy = y;
2244  valid = true;
2245  } else {
2246  int minx_new = std::min<int>(minx,x);
2247  int miny_new = std::min<int>(miny,y);
2248  int maxx_new = std::max<int>(maxx,x);
2249  int maxy_new = std::max<int>(maxy,y);
2250  SDL_Rect r = map_area();
2251  r.x = minx_new;
2252  r.y = miny_new;
2253  if(outside_area(r, maxx_new, maxy_new)) {
2254  // we cannot fit all locations to the screen
2255  if (only_if_possible) return;
2256  break;
2257  }
2258  minx = minx_new;
2259  miny = miny_new;
2260  maxx = maxx_new;
2261  maxy = maxy_new;
2262  }
2263  }
2264  //if everything is fogged or the location list is empty
2265  if(!valid) return;
2266 
2267  if (scroll_type == ONSCREEN || scroll_type == ONSCREEN_WARP) {
2268  SDL_Rect r = map_area();
2269  int spacing = std::round(add_spacing * hex_size());
2270  r.x += spacing;
2271  r.y += spacing;
2272  r.w -= 2*spacing;
2273  r.h -= 2*spacing;
2274  if (!outside_area(r, minx,miny) && !outside_area(r, maxx,maxy)) {
2275  return;
2276  }
2277  }
2278 
2279  // let's do "normal" rectangle math from now on
2280  SDL_Rect locs_bbox;
2281  locs_bbox.x = minx;
2282  locs_bbox.y = miny;
2283  locs_bbox.w = maxx - minx + hex_size();
2284  locs_bbox.h = maxy - miny + hex_size();
2285 
2286  // target the center
2287  int target_x = locs_bbox.x + locs_bbox.w/2;
2288  int target_y = locs_bbox.y + locs_bbox.h/2;
2289 
2290  if (scroll_type == ONSCREEN || scroll_type == ONSCREEN_WARP) {
2291  // when doing an ONSCREEN scroll we do not center the target unless needed
2292  SDL_Rect r = map_area();
2293  int map_center_x = r.x + r.w/2;
2294  int map_center_y = r.y + r.h/2;
2295 
2296  int h = r.h;
2297  int w = r.w;
2298 
2299  // we do not want to be only inside the screen rect, but center a bit more
2300  double inside_frac = 0.5; // 0.0 = always center the target, 1.0 = scroll the minimum distance
2301  w = static_cast<int>(w * inside_frac);
2302  h = static_cast<int>(h * inside_frac);
2303 
2304  // shrink the rectangle by the size of the locations rectangle we found
2305  // such that the new task to fit a point into a rectangle instead of rectangle into rectangle
2306  w -= locs_bbox.w;
2307  h -= locs_bbox.h;
2308 
2309  if (w < 1) w = 1;
2310  if (h < 1) h = 1;
2311 
2312  r.x = target_x - w/2;
2313  r.y = target_y - h/2;
2314  r.w = w;
2315  r.h = h;
2316 
2317  // now any point within r is a possible target to scroll to
2318  // we take the one with the minimum distance to map_center
2319  // which will always be at the border of r
2320 
2321  if (map_center_x < r.x) {
2322  target_x = r.x;
2323  target_y = map_center_y;
2324  if (target_y < r.y) target_y = r.y;
2325  if (target_y > r.y+r.h-1) target_y = r.y+r.h-1;
2326  } else if (map_center_x > r.x+r.w-1) {
2327  target_x = r.x+r.w-1;
2328  target_y = map_center_y;
2329  if (target_y < r.y) target_y = r.y;
2330  if (target_y >= r.y+r.h) target_y = r.y+r.h-1;
2331  } else if (map_center_y < r.y) {
2332  target_y = r.y;
2333  target_x = map_center_x;
2334  if (target_x < r.x) target_x = r.x;
2335  if (target_x > r.x+r.w-1) target_x = r.x+r.w-1;
2336  } else if (map_center_y > r.y+r.h-1) {
2337  target_y = r.y+r.h-1;
2338  target_x = map_center_x;
2339  if (target_x < r.x) target_x = r.x;
2340  if (target_x > r.x+r.w-1) target_x = r.x+r.w-1;
2341  } else {
2342  ERR_DP << "Bug in the scrolling code? Looks like we would not need to scroll after all..." << std::endl;
2343  // keep the target at the center
2344  }
2345  }
2346 
2347  scroll_to_xy(target_x, target_y,scroll_type,force);
2348 }
2349 
2350 
2352 {
2353  const unsigned int orig_zoom = zoom_;
2354 
2355  if(zoom_ < MinZoom) {
2356  zoom_ = MinZoom;
2357  }
2358 
2359  if(zoom_ > MaxZoom) {
2360  zoom_ = MaxZoom;
2361  }
2362 
2364 
2365  if(zoom_ != orig_zoom) {
2367  }
2368 }
2369 
2370 void display::bounds_check_position(int& xpos, int& ypos) const
2371 {
2372  const int tile_width = hex_width();
2373 
2374  // Adjust for the border 2 times
2375  const int xend = static_cast<int>(tile_width * (get_map().w() + 2 * theme_.border().size) + tile_width/3);
2376  const int yend = static_cast<int>(zoom_ * (get_map().h() + 2 * theme_.border().size) + zoom_/2);
2377 
2378  if(xpos > xend - map_area().w) {
2379  xpos = xend - map_area().w;
2380  }
2381 
2382  if(ypos > yend - map_area().h) {
2383  ypos = yend - map_area().h;
2384  }
2385 
2386  if(xpos < 0) {
2387  xpos = 0;
2388  }
2389 
2390  if(ypos < 0) {
2391  ypos = 0;
2392  }
2393 }
2394 
2395 double display::turbo_speed() const
2396 {
2397  bool res = turbo_;
2398  if(keys_[SDLK_LSHIFT] || keys_[SDLK_RSHIFT]) {
2399  res = !res;
2400  }
2401 
2402  res |= screen_.faked();
2403  if (res)
2404  return turbo_speed_;
2405  else
2406  return 1.0;
2407 }
2408 
2410 {
2411  idle_anim_rate_ = std::pow(2.0, -rate/10.0);
2412 }
2413 
2415 {
2416  if(screen_.update_locked())
2417  return;
2418 
2419  invalidateGameStatus_ = true;
2420 
2421  reportRects_.clear();
2422  reportSurfaces_.clear();
2423  reports_.clear();
2424 
2426 
2428 
2430 
2431  if(!menu_buttons_.empty() || !action_buttons_.empty()) {
2432  create_buttons();
2433  }
2434 
2435  if(resources::controller) {
2437  if(command_executor != nullptr) {
2438  // This function adds button overlays,
2439  // it needs to be run after recreating the buttons.
2440  command_executor->set_button_state();
2441  }
2442  }
2443 
2444  panelsDrawn_ = false;
2445  if (!gui::in_dialog()) {
2447  }
2448 
2449  redraw_background_ = true;
2450 
2451  for(std::function<void(display&)> f : redraw_observers_) {
2452  f(*this);
2453  }
2454 
2455  int ticks1 = SDL_GetTicks();
2456  invalidate_all();
2457  int ticks2 = SDL_GetTicks();
2458  draw(true,true);
2459  int ticks3 = SDL_GetTicks();
2460  LOG_DP << "invalidate and draw: " << (ticks3 - ticks2) << " and " << (ticks2 - ticks1) << "\n";
2461 
2463 }
2464 
2465 void display::add_redraw_observer(std::function<void(display&)> f)
2466 {
2467  redraw_observers_.push_back(f);
2468 }
2469 
2471 {
2472  redraw_observers_.clear();
2473 }
2474 
2476  draw(true, false);
2477 }
2478 
2479 void display::draw(bool update) {
2480  draw(update, false);
2481 }
2482 
2483 
2484 void display::draw(bool update,bool force) {
2485 // log_scope("display::draw");
2486 
2487  if (screen_.update_locked()) {
2488  return;
2489  }
2490 
2491  if (dirty_) {
2492  flip_locker flip_lock(screen_);
2493  dirty_ = false;
2495  return;
2496  }
2497 
2498  // Trigger cache rebuild when preference gets changed
2501  builder_->rebuild_cache_all();
2502  }
2503 
2505 
2506  draw_init();
2507  pre_draw();
2508  // invalidate all that needs to be invalidated
2510 
2511  if(!get_map().empty()) {
2512  //int simulate_delay = 0;
2513 
2514  /*
2515  * draw_invalidated() also invalidates the halos, so also needs to be
2516  * ran if invalidated_.empty() == true.
2517  */
2518  if(!invalidated_.empty()) {
2519  draw_invalidated();
2520  invalidated_.clear();
2521  }
2523  post_commit();
2524  draw_sidebar();
2525 
2526  // Simulate slow PC:
2527  //SDL_Delay(2*simulate_delay + rand() % 20);
2528  }
2529  draw_wrap(update, force);
2530  post_draw();
2531 }
2532 
2534 {
2535  return *map_labels_;
2536 }
2537 
2539 {
2540  return *map_labels_;
2541 }
2542 
2543 const SDL_Rect& display::get_clip_rect()
2544 {
2545  return map_area();
2546 }
2547 
2549 // log_scope("display::draw_invalidated");
2550  SDL_Rect clip_rect = get_clip_rect();
2551  surface& screen = get_screen_surface();
2552  clip_rect_setter set_clip_rect(screen, &clip_rect);
2553  for (const map_location& loc : invalidated_) {
2554  int xpos = get_location_x(loc);
2555  int ypos = get_location_y(loc);
2556 
2557  //const bool on_map = get_map().on_board(loc);
2558  SDL_Rect hex_rect = sdl::create_rect(xpos, ypos, zoom_, zoom_);
2559  if(!sdl::rects_overlap(hex_rect,clip_rect)) {
2560  continue;
2561  }
2562  draw_hex(loc);
2563  drawn_hexes_+=1;
2564  }
2565  invalidated_hexes_ += invalidated_.size();
2566 
2567  if (dc_->teams().empty())
2568  {
2569  // The unit drawer can't function without teams
2570  return;
2571  }
2572 
2573  unit_drawer drawer = unit_drawer(*this);
2574 
2575  for (const map_location& loc : invalidated_) {
2576  unit_map::const_iterator u_it = dc_->units().find(loc);
2578  if (u_it != dc_->units().end()
2579  && (request == exclusive_unit_draw_requests_.end() || request->second == u_it->id()))
2580  drawer.redraw_unit(*u_it);
2581  }
2582 
2583 }
2584 
2586  int xpos = get_location_x(loc);
2587  int ypos = get_location_y(loc);
2588  image::TYPE image_type = get_image_type(loc);
2589  const bool on_map = get_map().on_board(loc);
2590  const time_of_day& tod = get_time_of_day(loc);
2591 
2592  int num_images_fg = 0;
2593  int num_images_bg = 0;
2594 
2595  if(!shrouded(loc)) {
2596  // unshrouded terrain (the normal case)
2597  get_terrain_images(loc, tod.id, BACKGROUND); // updates terrain_image_vector_
2599  num_images_bg = terrain_image_vector_.size();
2600 
2601  get_terrain_images(loc, tod.id, FOREGROUND); // updates terrain_image_vector_
2603  num_images_fg = terrain_image_vector_.size();
2604 
2605  // Draw the grid, if that's been enabled
2606  if(grid_) {
2608  drawing_buffer_add(LAYER_GRID_TOP, loc, xpos, ypos,
2611  drawing_buffer_add(LAYER_GRID_BOTTOM, loc, xpos, ypos,
2612  image::get_image(grid_bottom, image::TOD_COLORED));
2613  }
2614  }
2615 
2616  if(!shrouded(loc)) {
2617  auto it = get_overlays().find(loc);
2618  if(it != get_overlays().end()) {
2619  std::vector<overlay>& overlays = it->second;
2620  if(overlays.size() != 0) {
2621  tod_color tod_col = tod.color + color_adjust_;
2622  image::light_string lt = image::get_light_string(-1, tod_col.r, tod_col.g, tod_col.b);
2623 
2624  for(const overlay& ov : overlays) {
2625  bool item_visible_for_team = true;
2626  if(dont_show_all_ && !ov.team_name.empty()) {
2627  //dont_show_all_ imples that viewing_team()is a valid index to get_teams()
2628  const std::string& current_team_name = get_teams()[viewing_team()].team_name();
2629  const std::vector<std::string>& current_team_names = utils::split(current_team_name);
2630  const std::vector<std::string>& team_names = utils::split(ov.team_name);
2631 
2632  item_visible_for_team = std::find_first_of(team_names.begin(), team_names.end(),
2633  current_team_names.begin(), current_team_names.end()) != team_names.end();
2634  }
2635  if(item_visible_for_team && !(fogged(loc) && !ov.visible_in_fog))
2636  {
2637  const surface surf = ov.image.find("~NO_TOD_SHIFT()") == std::string::npos ?
2639  drawing_buffer_add(LAYER_TERRAIN_BG, loc, xpos, ypos, surf);
2640  }
2641  }
2642  }
2643  }
2644  }
2645 
2646  if(!shrouded(loc)) {
2647  // village-control flags.
2648  drawing_buffer_add(LAYER_TERRAIN_BG, loc, xpos, ypos, get_flag(loc));
2649  }
2650 
2651  // Draw the time-of-day mask on top of the terrain in the hex.
2652  // tod may differ from tod if hex is illuminated.
2653  const std::string& tod_hex_mask = tod.image_mask;
2654  if(tod_hex_mask1 != nullptr || tod_hex_mask2 != nullptr) {
2657  } else if(!tod_hex_mask.empty()) {
2658  drawing_buffer_add(LAYER_TERRAIN_FG, loc, xpos, ypos,
2659  image::get_image(tod_hex_mask,image::SCALED_TO_HEX));
2660  }
2661 
2662  // Paint mouseover overlays
2663  if(loc == mouseoverHex_ && (on_map || (in_editor() && get_map().on_board_with_border(loc)))
2664  && mouseover_hex_overlay_ != nullptr) {
2666  }
2667 
2668  // Paint arrows
2669  arrows_map_t::const_iterator arrows_in_hex = arrows_map_.find(loc);
2670  if(arrows_in_hex != arrows_map_.end()) {
2671  for (arrow* const a : arrows_in_hex->second) {
2672  a->draw_hex(loc);
2673  }
2674  }
2675 
2676  // Apply shroud, fog and linger overlay
2677 
2678  if(shrouded(loc)) {
2679  // We apply void also on off-map tiles
2680  // to shroud the half-hexes too
2681  const std::string& shroud_image = get_variant(shroud_images_, loc);
2682  drawing_buffer_add(LAYER_FOG_SHROUD, loc, xpos, ypos,
2683  image::get_image(shroud_image, image_type));
2684  } else if(fogged(loc)) {
2685  const std::string& fog_image = get_variant(fog_images_, loc);
2686  drawing_buffer_add(LAYER_FOG_SHROUD, loc, xpos, ypos,
2687  image::get_image(fog_image, image_type));
2688  }
2689 
2690  if(!shrouded(loc)) {
2691  drawing_buffer_add(LAYER_FOG_SHROUD, loc, xpos, ypos, get_fog_shroud_images(loc, image_type));
2692  }
2693 
2694  if (on_map) {
2695  if (draw_coordinates_) {
2696  int off_x = xpos + hex_size()/2;
2697  int off_y = ypos + hex_size()/2;
2698  surface text = font::get_rendered_text(lexical_cast<std::string>(loc), font::SIZE_SMALL, font::NORMAL_COLOR);
2699  surface bg(text->w, text->h);
2700  SDL_Rect bg_rect {0, 0, text->w, text->h};
2701  sdl::fill_surface_rect(bg, &bg_rect, 0xaa000000);
2702  off_x -= text->w / 2;
2703  off_y -= text->h / 2;
2704  if (draw_terrain_codes_) {
2705  off_y -= text->h / 2;
2706  }
2707  if (draw_num_of_bitmaps_) {
2708  off_y -= text->h / 2;
2709  }
2710  drawing_buffer_add(LAYER_FOG_SHROUD, loc, off_x, off_y, bg);
2711  drawing_buffer_add(LAYER_FOG_SHROUD, loc, off_x, off_y, text);
2712  }
2713  if (draw_terrain_codes_ && (game_config::debug || !shrouded(loc))) {
2714  int off_x = xpos + hex_size()/2;
2715  int off_y = ypos + hex_size()/2;
2716  surface text = font::get_rendered_text(lexical_cast<std::string>(get_map().get_terrain(loc)), font::SIZE_SMALL, font::NORMAL_COLOR);
2717  surface bg(text->w, text->h);
2718  SDL_Rect bg_rect {0, 0, text->w, text->h};
2719  sdl::fill_surface_rect(bg, &bg_rect, 0xaa000000);
2720  off_x -= text->w / 2;
2721  off_y -= text->h / 2;
2723  off_y += text->h / 2;
2724  } else if (draw_num_of_bitmaps_ && !draw_coordinates_) {
2725  off_y -= text->h / 2;
2726  }
2727  drawing_buffer_add(LAYER_FOG_SHROUD, loc, off_x, off_y, bg);
2728  drawing_buffer_add(LAYER_FOG_SHROUD, loc, off_x, off_y, text);
2729  }
2730  if (draw_num_of_bitmaps_) {
2731  int off_x = xpos + hex_size()/2;
2732  int off_y = ypos + hex_size()/2;
2733  surface text = font::get_rendered_text(lexical_cast<std::string>(num_images_bg + num_images_fg), font::SIZE_SMALL, font::NORMAL_COLOR);
2734  surface bg(text->w, text->h);
2735  SDL_Rect bg_rect {0, 0, text->w, text->h};
2736  sdl::fill_surface_rect(bg, &bg_rect, 0xaa000000);
2737  off_x -= text->w / 2;
2738  off_y -= text->h / 2;
2739  if (draw_coordinates_) {
2740  off_y += text->h / 2;
2741  }
2742  if (draw_terrain_codes_) {
2743  off_y += text->h / 2;
2744  }
2745  drawing_buffer_add(LAYER_FOG_SHROUD, loc, off_x, off_y, bg);
2746  drawing_buffer_add(LAYER_FOG_SHROUD, loc, off_x, off_y, text);
2747  }
2748  }
2749 
2750  if(debug_foreground) {
2751  drawing_buffer_add(LAYER_UNIT_DEFAULT, loc, xpos, ypos,
2752  image::get_image("terrain/foreground.png", image_type));
2753  }
2754 
2755 }
2756 
2758  return image::TOD_COLORED;
2759 }
2760 
2761 /*void display::draw_sidebar() {
2762 
2763 }*/
2764 
2765 void display::draw_image_for_report(surface& img, SDL_Rect& rect)
2766 {
2767  SDL_Rect visible_area = get_non_transparent_portion(img);
2768  SDL_Rect target = rect;
2769  if(visible_area.x != 0 || visible_area.y != 0 || visible_area.w != img->w || visible_area.h != img->h) {
2770  if(visible_area.w == 0 || visible_area.h == 0) {
2771  return;
2772  }
2773 
2774  if(visible_area.w > rect.w || visible_area.h > rect.h) {
2775  img = get_surface_portion(img,visible_area);
2776  img = scale_surface(img,rect.w,rect.h);
2777  visible_area.x = 0;
2778  visible_area.y = 0;
2779  visible_area.w = img->w;
2780  visible_area.h = img->h;
2781  } else {
2782  target.x = rect.x + (rect.w - visible_area.w)/2;
2783  target.y = rect.y + (rect.h - visible_area.h)/2;
2784  target.w = visible_area.w;
2785  target.h = visible_area.h;
2786  }
2787 
2788  sdl_blit(img,&visible_area,screen_.getSurface(),&target);
2789  } else {
2790  if(img->w != rect.w || img->h != rect.h) {
2791  img = scale_surface(img,rect.w,rect.h);
2792  }
2793 
2794  sdl_blit(img,nullptr,screen_.getSurface(),&target);
2795  }
2796 }
2797 
2798 /**
2799  * Redraws the specified report (if anything has changed).
2800  * If a config is not supplied, it will be generated via
2801  * reports::generate_report().
2802  */
2803 void display::refresh_report(const std::string& report_name, const config * new_cfg)
2804 {
2805  const theme::status_item *item = theme_.get_status_item(report_name);
2806  if (!item) {
2807  reportSurfaces_[report_name] = nullptr;
2808  return;
2809  }
2810 
2811  // Now we will need the config. Generate one if needed.
2812 
2813  boost::optional <events::mouse_handler &> mhb = boost::none;
2814 
2815  if (resources::controller) {
2817  }
2818 
2819  reports::context temp_context = reports::context(*dc_, *this, *resources::tod_manager, wb_.lock(), mhb);
2820 
2821  const config generated_cfg = new_cfg ? config() : reports_object_->generate_report(report_name, temp_context);
2822  if ( new_cfg == nullptr )
2823  new_cfg = &generated_cfg;
2824 
2825  SDL_Rect &rect = reportRects_[report_name];
2826  const SDL_Rect &new_rect = item->location(screen_.screen_area());
2827  surface &surf = reportSurfaces_[report_name];
2828  config &report = reports_[report_name];
2829 
2830  // Report and its location is unchanged since last time. Do nothing.
2831  if (surf && rect == new_rect && report == *new_cfg) {
2832  return;
2833  }
2834 
2835  // Update the config in reports_.
2836  report = *new_cfg;
2837 
2838  if (surf) {
2839  sdl_blit(surf, nullptr, screen_.getSurface(), &rect);
2840  }
2841 
2842  // If the rectangle has just changed, assign the surface to it
2843  if (!surf || new_rect != rect)
2844  {
2845  surf = nullptr;
2846  rect = new_rect;
2847 
2848  // If the rectangle is present, and we are blitting text,
2849  // then we need to backup the surface.
2850  // (Images generally won't need backing up,
2851  // unless they are transparent, but that is done later).
2852  if (rect.w > 0 && rect.h > 0) {
2853  surf = get_surface_portion(screen_.getSurface(), rect);
2854  if (reportSurfaces_[report_name] == nullptr) {
2855  ERR_DP << "Could not backup background for report!" << std::endl;
2856  }
2857  }
2858  }
2859 
2861 
2862  if (report.empty()) return;
2863 
2864  int x = rect.x, y = rect.y;
2865 
2866  // Add prefix, postfix elements.
2867  // Make sure that they get the same tooltip
2868  // as the guys around them.
2869  std::string str = item->prefix();
2870  if (!str.empty()) {
2871  config &e = report.add_child_at("element", config(), 0);
2872  e["text"] = str;
2873  e["tooltip"] = report.child("element")["tooltip"];
2874  }
2875  str = item->postfix();
2876  if (!str.empty()) {
2877  config &e = report.add_child("element");
2878  e["text"] = str;
2879  e["tooltip"] = report.child("element", -1)["tooltip"];
2880  }
2881 
2882  // Loop through and display each report element.
2883  int tallest = 0;
2884  int image_count = 0;
2885  bool used_ellipsis = false;
2886  std::ostringstream ellipsis_tooltip;
2887  SDL_Rect ellipsis_area = rect;
2888 
2889  for (config::const_child_itors elements = report.child_range("element");
2890  elements.begin() != elements.end(); elements.pop_front())
2891  {
2892  SDL_Rect area {x, y, rect.w + rect.x - x, rect.h + rect.y - y};
2893  if (area.h <= 0) break;
2894 
2895  std::string t = elements.front()["text"];
2896  if (!t.empty())
2897  {
2898  if (used_ellipsis) goto skip_element;
2899 
2900  // Draw a text element.
2901  font::pango_text text;
2902  if (item->font_rgb_set()) {
2903  text.set_foreground_color(item->font_rgb());
2904  }
2905  bool eol = false;
2906  if (t[t.size() - 1] == '\n') {
2907  eol = true;
2908  t = t.substr(0, t.size() - 1);
2909  }
2910  text.set_font_size(item->font_size());
2911  text.set_text(t, true);
2912  text.set_maximum_width(area.w);
2913  text.set_maximum_height(area.h, false);
2914  surface s = text.render();
2915 
2916  // check if next element is text with almost no space to show it
2917  const int minimal_text = 12; // width in pixels
2918  config::const_child_iterator ee = elements.begin();
2919  if (!eol && rect.w - (x - rect.x + s->w) < minimal_text &&
2920  ++ee != elements.end() && !(*ee)["text"].empty())
2921  {
2922  // make this element longer to trigger rendering of ellipsis
2923  // (to indicate that next elements have not enough space)
2924  //NOTE this space should be longer than minimal_text pixels
2925  t = t + " ";
2926  text.set_text(t, true);
2927  s = text.render();
2928  // use the area of this element for next tooltips
2929  used_ellipsis = true;
2930  ellipsis_area.x = x;
2931  ellipsis_area.y = y;
2932  ellipsis_area.w = s->w;
2933  ellipsis_area.h = s->h;
2934  }
2935 
2936  screen_.blit_surface(x, y, s);
2937  area.w = s->w;
2938  area.h = s->h;
2939  if (area.h > tallest) {
2940  tallest = area.h;
2941  }
2942  if (eol) {
2943  x = rect.x;
2944  y += tallest;
2945  tallest = 0;
2946  } else {
2947  x += area.w;
2948  }
2949  }
2950  else if (!(t = elements.front()["image"].str()).empty())
2951  {
2952  if (used_ellipsis) goto skip_element;
2953 
2954  // Draw an image element.
2955  surface img(image::get_image(t));
2956 
2957  if (!img) {
2958  ERR_DP << "could not find image for report: '" << t << "'" << std::endl;
2959  continue;
2960  }
2961 
2962  if (area.w < img->w && image_count) {
2963  // We have more than one image, and this one doesn't fit.
2965  used_ellipsis = true;
2966  }
2967 
2968  if (img->w < area.w) area.w = img->w;
2969  if (img->h < area.h) area.h = img->h;
2970  draw_image_for_report(img, area);
2971 
2972  ++image_count;
2973  if (area.h > tallest) {
2974  tallest = area.h;
2975  }
2976 
2977  if (!used_ellipsis) {
2978  x += area.w;
2979  } else {
2980  ellipsis_area = area;
2981  }
2982  }
2983  else
2984  {
2985  // No text nor image, skip this element
2986  continue;
2987  }
2988 
2989  skip_element:
2990  t = elements.front()["tooltip"].t_str().c_str();
2991  if (!t.empty()) {
2992  if (!used_ellipsis) {
2993  tooltips::add_tooltip(area, t, elements.front()["help"].t_str().c_str());
2994  } else {
2995  // Collect all tooltips for the ellipsis.
2996  // TODO: need a better separator
2997  // TODO: assign an action
2998  ellipsis_tooltip << t;
2999  config::const_child_iterator ee = elements.begin();
3000  if (++ee != elements.end())
3001  ellipsis_tooltip << "\n _________\n\n";
3002  }
3003  }
3004  }
3005 
3006  if (used_ellipsis) {
3007  tooltips::add_tooltip(ellipsis_area, ellipsis_tooltip.str());
3008  }
3009 }
3010 
3012 {
3013  DBG_DP << "invalidate_all()\n";
3014  invalidateAll_ = true;
3015  invalidated_.clear();
3016 }
3017 
3019 {
3020  if(invalidateAll_)
3021  return false;
3022 
3023  bool tmp;
3024  tmp = invalidated_.insert(loc).second;
3025  return tmp;
3026 }
3027 
3028 bool display::invalidate(const std::set<map_location>& locs)
3029 {
3030  if(invalidateAll_)
3031  return false;
3032  bool ret = false;
3033  for (const map_location& loc : locs) {
3034  ret = invalidated_.insert(loc).second || ret;
3035  }
3036  return ret;
3037 }
3038 
3039 bool display::propagate_invalidation(const std::set<map_location>& locs)
3040 {
3041  if(invalidateAll_)
3042  return false;
3043 
3044  if(locs.size()<=1)
3045  return false; // propagation never needed
3046 
3047  bool result = false;
3048  {
3049  // search the first hex invalidated (if any)
3050  std::set<map_location>::const_iterator i = locs.begin();
3051  for(; i != locs.end() && invalidated_.count(*i) == 0 ; ++i) {}
3052 
3053  if (i != locs.end()) {
3054 
3055  // propagate invalidation
3056  // 'i' is already in, but I suspect that splitting the range is bad
3057  // especially because locs are often adjacents
3058  size_t previous_size = invalidated_.size();
3059  invalidated_.insert(locs.begin(), locs.end());
3060  result = previous_size < invalidated_.size();
3061  }
3062  }
3063  return result;
3064 }
3065 
3067 {
3069 }
3070 
3071 bool display::invalidate_locations_in_rect(const SDL_Rect& rect)
3072 {
3073  if(invalidateAll_)
3074  return false;
3075 
3076  bool result = false;
3077  for (const map_location &loc : hexes_under_rect(rect)) {
3078  result |= invalidate(loc);
3079  }
3080  return result;
3081 }
3082 
3084  if (get_map().is_village(loc)) {
3085  const int owner = dc_->village_owner(loc) - 1;
3086  if (owner >= 0 && flags_[owner].need_update()
3087  && (!fogged(loc) || !dc_->teams()[currentTeam_].is_enemy(owner+1))) {
3088  invalidate(loc);
3089  }
3090  }
3091 }
3092 
3094 {
3097  if (animate_map_) {
3098  for (const map_location &loc : get_visible_hexes())
3099  {
3100  if (shrouded(loc)) continue;
3101  if (builder_->update_animation(loc)) {
3102  invalidate(loc);
3103  } else {
3105  }
3106  }
3107  }
3108 
3109  for(const unit& u : dc_->units()) {
3110  u.anim_comp().refresh();
3111  }
3112  for (const unit* u : *fake_unit_man_) {
3113  u->anim_comp().refresh();
3114  }
3115 
3116 
3117  bool new_inval;
3118  do {
3119  new_inval = false;
3120  for (const unit & u : dc_->units()) {
3121  new_inval |= u.anim_comp().invalidate(*this);
3122  }
3123  for (const unit* u : *fake_unit_man_) {
3124  new_inval |= u->anim_comp().invalidate(*this);
3125  }
3126  } while (new_inval);
3127 }
3128 
3130 {
3131  for(const unit & u : dc_->units()) {
3132  u.anim_comp().set_standing();
3133  }
3134 }
3135 
3137 {
3138  const arrow_path_t & arrow_path = arrow.get_path();
3139  for (const map_location& loc : arrow_path)
3140  {
3141  arrows_map_[loc].push_back(&arrow);
3142  }
3143 }
3144 
3146 {
3147  const arrow_path_t & arrow_path = arrow.get_path();
3148  for (const map_location& loc : arrow_path)
3149  {
3150  arrows_map_[loc].remove(&arrow);
3151  }
3152 }
3153 
3155 {
3156  const arrow_path_t & previous_path = arrow.get_previous_path();
3157  for (const map_location& loc : previous_path)
3158  {
3159  arrows_map_[loc].remove(&arrow);
3160  }
3161  const arrow_path_t & arrow_path = arrow.get_path();
3162  for (const map_location& loc : arrow_path)
3163  {
3164  arrows_map_[loc].push_back(&arrow);
3165  }
3166 }
3167 
3169 {
3170  const SDL_Rect& rect = map_area();
3171  return pixel_position_to_hex(xpos_ + rect.x + rect.w / 2 , ypos_ + rect.y + rect.h / 2 );
3172 }
3173 
3174 void display::write(config& cfg) const
3175 {
3176  cfg["view_locked"] = view_locked_;
3177  cfg["color_adjust_red"] = color_adjust_.r;
3178  cfg["color_adjust_green"] = color_adjust_.g;
3179  cfg["color_adjust_blue"] = color_adjust_.b;
3180  get_middle_location().write(cfg.add_child("location"));
3181 }
3182 
3183 void display::read(const config& cfg)
3184 {
3185  view_locked_ = cfg["view_locked"].to_bool(false);
3186  color_adjust_.r = cfg["color_adjust_red"].to_int(0);
3187  color_adjust_.g = cfg["color_adjust_green"].to_int(0);
3188  color_adjust_.b = cfg["color_adjust_blue"].to_int(0);
3189 }
3190 
3192 {
3193  if (!reach_map_changed_) return;
3194  if (reach_map_.empty() != reach_map_old_.empty()) {
3195  // Invalidate everything except the non-darkened tiles
3196  reach_map &full = reach_map_.empty() ? reach_map_old_ : reach_map_;
3197 
3198  for (const auto& hex : get_visible_hexes()) {
3199  reach_map::iterator reach = full.find(hex);
3200  if (reach == full.end()) {
3201  // Location needs to be darkened or brightened
3202  invalidate(hex);
3203  } else if (reach->second != 1) {
3204  // Number needs to be displayed or cleared
3205  invalidate(hex);
3206  }
3207  }
3208  } else if (!reach_map_.empty()) {
3209  // Invalidate only changes
3210  reach_map::iterator reach, reach_old;
3211  for (reach = reach_map_.begin(); reach != reach_map_.end(); ++reach) {
3212  reach_old = reach_map_old_.find(reach->first);
3213  if (reach_old == reach_map_old_.end()) {
3214  invalidate(reach->first);
3215  } else {
3216  if (reach_old->second != reach->second) {
3217  invalidate(reach->first);
3218  }
3219  reach_map_old_.erase(reach_old);
3220  }
3221  }
3222  for (reach_old = reach_map_old_.begin(); reach_old != reach_map_old_.end(); ++reach_old) {
3223  invalidate(reach_old->first);
3224  }
3225  }
3227  reach_map_changed_ = false;
3228 }
3229 
3230 void display::handle_window_event(const SDL_Event& event) {
3231  if (event.type == SDL_WINDOWEVENT) {
3232  switch (event.window.event) {
3233  case SDL_WINDOWEVENT_RESIZED:
3234  case SDL_WINDOWEVENT_RESTORED:
3235  case SDL_WINDOWEVENT_EXPOSED:
3236  dirty_ = true;
3237 
3238  break;
3239  }
3240  }
3241 
3242 
3243 }
3244 
3245 void display::handle_event(const SDL_Event& event) {
3247  return;
3248  }
3249  if (event.type == DRAW_ALL_EVENT) {
3250  draw();
3251  }
3252 }
3253 
3254 display *display::singleton_ = nullptr;
constexpr const T & clamp(const T &value, const T &min, const T &max)
Definition: general.hpp:31
std::shared_ptr< gui::button > find_action_button(const std::string &id)
Retrieves a pointer to a theme UI button.
Definition: display.cpp:827
std::size_t font_size() const
Definition: theme.hpp:112
play_controller * controller
Definition: resources.cpp:21
TYPE
UNSCALED : image will be drawn "as is" without changing size, even in case of redraw SCALED_TO_ZOOM :...
Definition: picture.hpp:185
void drawing_buffer_commit()
Draws the drawing_buffer_ and clears it.
Definition: display.cpp:1280
int village_owner(const map_location &loc) const
Given the location of a village, will return the 1-based number of the team that currently owns it...
void draw_minimap_units()
Definition: display.cpp:1866
surface get_image(const image::locator &i_locator, TYPE type)
function to get the surface corresponding to an image.
Definition: picture.cpp:833
int zoom_index_
Definition: display.hpp:747
void raise_volatile_undraw_event()
Definition: events.cpp:816
void recalculate_shroud()
Definition: label.cpp:277
virtual void pre_draw()
Called near the beginning of each draw() call.
Definition: display.hpp:671
bool discard_previous
An announcement according these options should replace the previous announce (typical of fast announc...
Definition: display.hpp:598
virtual SDL_Rect & location(const SDL_Rect &screen) const
Definition: theme.cpp:319
draw_layering(const bool auto_join=true)
Definition: video.cpp:54
const std::string & icon() const
Definition: theme.hpp:108
bool is_odd(T num)
Definition: math.hpp:35
virtual void select_hex(map_location hex)
Definition: display.cpp:1612
config & child(config_key_type key, int n=0)
Returns the nth child with the given key, or a reference to an invalid config if there is none...
Definition: config.cpp:420
::tod_manager * tod_manager
Definition: resources.cpp:29
Arrows destined to be drawn on the map.
int h() const
Effective map height, in hexes.
Definition: map.hpp:128
reports * reports_object_
Definition: display.hpp:764
unit_iterator end()
Definition: map.hpp:429
bool update_locked() const
Whether the screen has been &#39;locked&#39; or not.
Definition: video.cpp:349
bool minimap_draw_units()
Definition: general.cpp:794
void write(config &cfg) const
Definition: display.cpp:3174
virtual void handle_window_event(const SDL_Event &event)
Definition: display.cpp:3230
hotkey::command_executor * get_hotkey_command_executor() override
Optionally get a command executor to handle context menu events.
static display * get_singleton()
Returns the display object if a display object exists.
Definition: display.hpp:88
bool show_fps()
Definition: general.cpp:834
const team & get_team(int side) const
void invalidate_game_status()
Function to invalidate the game status displayed on the sidebar.
Definition: display.hpp:291
Small struct to store and manipulate ToD color adjusts.
Definition: time_of_day.hpp:28
void adjust_color_overlay(int r, int g, int b)
Add r,g,b to the colors for all images displayed on the map.
Definition: display.cpp:465
const arrow_path_t & get_path() const
Definition: arrow.cpp:120
#define DefaultZoom
Definition: display.cpp:77
std::string image_mask
The image that is to be laid over all images while this time of day lasts.
Definition: time_of_day.hpp:97
void get_adjacent_tiles(const map_location &a, map_location *res)
Function which, given a location, will place all adjacent locations in res.
Definition: location.cpp:474
void invalidate_animations()
Function to invalidate animated terrains and units which may have changed.
Definition: display.cpp:3093
#define ERR_DP
Definition: display.cpp:70
virtual void draw_sidebar()
Called near the end of a draw operation, derived classes can use this to render a specific sidebar...
Definition: display.hpp:714
bool invalidate(const map_location &loc)
Function to invalidate a specific tile for redrawing.
Definition: display.cpp:3018
color_t font_rgb() const
Definition: theme.hpp:113
static int hex_size()
Function which returns the size of a hex in pixels (from top tip to bottom tip or left edge to right ...
Definition: display.hpp:255
void draw_wrap(bool update, bool force)
Definition: display.cpp:1684
void flip()
Definition: display.cpp:1333
This class represents a single unit of a specific type.
Definition: unit.hpp:129
bool animate_water_
Local version of preferences::animate_water, used to detect when it&#39;s changed.
Definition: display.hpp:802
virtual void notify_observers()
tod_color color
The color modifications that should be made to the game board to reflect the time of day...
static void toggle_benchmark()
Toggle to continuously redraw the screen.
Definition: display.cpp:1323
CKey keys_
Definition: display.hpp:796
bool set_text(const std::string &text, const bool markedup)
Sets the text to render.
Definition: text.cpp:283
void set_clip_rect(const SDL_Rect &r)
bool set_zoom(bool increase)
Zooms the display in (true) or out (false).
Definition: display.cpp:2022
void change_display_context(const display_context *dc)
Definition: display.cpp:510
const map_location hex_clicked_on(int x, int y) const
given x,y co-ordinates of an onscreen pixel, will return the location of the hex that this pixel corr...
Definition: display.cpp:594
boost::circular_buffer< unsigned > frametimes_
Definition: display.hpp:775
bool rects_overlap(const SDL_Rect &rect1, const SDL_Rect &rect2)
Tests whether two rectangles overlap.
Definition: rect.cpp:33
int ypos_
Definition: display.hpp:741
void set_team_colors(const std::vector< std::string > *colors)
set the team colors used by the TC image modification use a vector with one string for each team usin...
Definition: picture.cpp:708
bool reach_map_changed_
Definition: display.hpp:1035
static double get_zoom_factor()
Returns the current zoom factor.
Definition: display.hpp:258
drawing_buffer drawing_buffer_
Definition: display.hpp:977
void set_playing_team(std::size_t team)
set_playing_team sets the team whose turn it currently is
Definition: display.cpp:416
surface reverse_image(const surface &surf)
function to reverse an image.
Definition: picture.cpp:1006
void draw_init()
Initiate a redraw.
Definition: display.cpp:1645
void set_idle_anim_rate(int rate)
Definition: display.cpp:2409
const map_location pixel_position_to_hex(int x, int y) const
given x,y co-ordinates of a pixel on the map, will return the location of the hex that this pixel cor...
Definition: display.cpp:609
void scroll_floating_labels(double xmove, double ymove)
moves all floating labels that have &#39;scroll_mode&#39; set to ANCHOR_LABEL_MAP
#define a
int draw_delay()
Definition: general.cpp:844
Definition: video.hpp:31
bool minimap_movement_coding()
Definition: general.cpp:774
std::map< std::string, SDL_Rect > reportRects_
Definition: display.hpp:782
void draw_all_panels()
redraw all panels associated with the map display
Definition: display.cpp:1467
void render_image(int x, int y, const display::drawing_layer drawing_layer, const map_location &loc, surface image, bool hreverse=false, bool greyscale=false, fixed_t alpha=ftofxp(1.0), color_t blendto={0, 0, 0}, double blend_ratio=0, double submerged=0.0, bool vreverse=false)
Draw an image at a certain location.
Definition: display.cpp:1544
bool in_dialog()
Definition: show_dialog.cpp:56
virtual void draw_invalidated()
Only called when there&#39;s actual redrawing to do.
Definition: display.cpp:2548
map_location mouseoverHex_
Definition: display.hpp:795
void flip()
Renders the screen.
Definition: video.cpp:329
void init_flags()
Init the flag list and the team colors used by ~TC.
Definition: display.cpp:302
Manages a list of fake units for the display object.
Mouseover overlay used by editor.
Definition: display.hpp:829
virtual void draw_hex(const map_location &hex)
Definition: arrow.cpp:136
child_itors child_range(config_key_type key)
Definition: config.cpp:362
static void draw_background(surface screen, const SDL_Rect &area, const std::string &image)
Definition: display.cpp:1488
std::string id
Definition: time_of_day.hpp:91
void lock_updates(bool value)
Stop the screen being redrawn.
Definition: video.cpp:340
bool draw_coordinates_
Debug flag - overlay x,y coords on tiles.
Definition: display.hpp:1057
const SDL_Rect & map_area() const
Returns the area used for the map.
Definition: display.cpp:557
int scroll_speed()
Definition: general.cpp:730
void remove_floating_label(int handle)
removes the floating label given by &#39;handle&#39; from the screen
void redraw_everything()
Invalidates entire screen, including all tiles and sidebar.
Definition: display.cpp:2414
static lg::log_domain log_display("display")
int fps_handle_
Handle for the label which displays frames per second.
Definition: display.hpp:1044
bool show_everything() const
Definition: display.hpp:90
The class terrain_builder is constructed from a config object, and a gamemap object.
Definition: builder.hpp:47
map_location minimap_location_on(int x, int y)
given x,y co-ordinates of the mouse, will return the location of the hex in the minimap that the mous...
Definition: display.cpp:755
void fill_surface_rect(surface &dst, SDL_Rect *dst_rect, const uint32_t color)
Fill a rectangle on a given surface.
Definition: rect.hpp:114
void reset_halo_manager()
Definition: display.cpp:516
int viewing_side() const
Definition: display.hpp:103
int get_zoom_levels_index(unsigned int zoom_level)
Definition: display.cpp:95
void set_tile_size(const unsigned int size)
Definition: general.cpp:609
reach_map reach_map_
Definition: display.hpp:1033
bool non_interactive() const
Definition: video.cpp:140
SDL_Rect intersect_rects(const SDL_Rect &rect1, const SDL_Rect &rect2)
Calculates the intersection of two rectangles.
Definition: rect.cpp:39
#define h
static void msg(const char *act, debug_info &i, const char *to="", const char *result="")
Definition: debugger.cpp:109
iterator & operator++()
increment y first, then when reaching bottom, increment x
Definition: display.cpp:661
std::vector< std::function< void(display &)> > redraw_observers_
Definition: display.hpp:1054
bool on_board(const map_location &loc) const
Tell if a location is on the map.
Definition: map.cpp:377
#define MaxZoom
Definition: display.cpp:80
map_location selectedHex_
Definition: display.hpp:794
void set_font_size(int font_size)
const std::vector< std::string > items
CVideo & screen_
Definition: display.hpp:734
surface scale_surface(const surface &surf, int w, int h)
Scale a surface using alpha-weighted modified bilinear filtering Note: causes artifacts with alpha gr...
Definition: utils.cpp:196
static display * singleton_
Definition: display.hpp:1073
void blit_surface(int x, int y, surface surf, SDL_Rect *srcrect=nullptr, SDL_Rect *clip_rect=nullptr)
Draws a surface directly onto the screen framebuffer.
Definition: video.cpp:168
#define d
Belongs to a friendly side.
virtual void draw()
Draws invalidated items.
Definition: display.cpp:2475
surface blend_surface(const surface &surf, const double amount, const color_t color)
Blends a surface with a color.
Definition: utils.cpp:1716
bool animate_water()
Definition: general.cpp:769
const int SIZE_PLUS
Definition: constants.cpp:26
Top half part of grid image.
Definition: display.hpp:828
surface get_surface_portion(const surface &src, SDL_Rect &area)
Get a portion of the screen.
Definition: utils.cpp:2157
std::string str
Definition: statement.cpp:110
void enable_menu(const std::string &item, bool enable)
Finds the menu which has a given item in it, and enables or disables it.
Definition: display.cpp:1754
Rectangular area of hexes, allowing to decide how the top and bottom edges handles the vertical shift...
Definition: display.hpp:301
an object to leave the synced context during draw or unsynced wml items when we don’t know whether w...
surface getMinimap(int w, int h, const gamemap &map, const team *vw, const std::map< map_location, unsigned int > *reach_map, bool ignore_terrain_disabled)
function to create the minimap for a given map the surface returned must be freed by the user ...
Definition: minimap.cpp:39
const std::vector< label > & labels() const
Definition: theme.hpp:253
-file sdl_utils.hpp
static unsigned int zoom_
The current zoom, in pixels (on screen) per 72 pixels (in the graphic assets), i.e., 72 means 100%.
Definition: display.hpp:746
void clear_redraw_observers()
Clear the redraw observers.
Definition: display.cpp:2470
const SDL_Rect & minimap_area() const
mapx is the width of the portion of the display which shows the game area.
Definition: display.hpp:214
drawing_layer
The layers to render something on.
Definition: display.hpp:823
virtual const gamemap & map() const =0
std::vector< surface > get_fog_shroud_images(const map_location &loc, image::TYPE image_type)
Definition: display.cpp:963
void reset_standing_animations()
Definition: display.cpp:3129
void remove_arrow(arrow &)
Definition: display.cpp:3145
surface clone() const
Makes a copy of this surface.
Definition: surface.cpp:75
surface & getSurface()
Returns a reference to the framebuffer.
Definition: video.cpp:505
void add_frame(int duration, const T &value, bool force_change=false)
Adds a frame to an animation.
bool panelsDrawn_
Definition: display.hpp:759
#define DBG_DP
Definition: display.cpp:72
void draw_centered_on_background(surface surf, const SDL_Rect &rect, const color_t &color, surface target)
Definition: utils.cpp:2272
surface tod_hex_mask2
Definition: display.hpp:790
SDL_Rect get_non_transparent_portion(const surface &surf)
Definition: utils.cpp:2203
void init_flags_for_side_internal(std::size_t side, const std::string &side_color)
Definition: display.cpp:324
void update_display()
Copy the backbuffer to the framebuffer.
Definition: display.cpp:1356
std::vector< map_location > arrow_path_t
Definition: arrow.hpp:24
Unit and team statistics.
very simple iterator to walk into the rect_of_hexes
Definition: display.hpp:308
iterator begin() const
Definition: display.cpp:674
const rect_of_hexes get_visible_hexes() const
Returns the rectangular area of visible hexes.
Definition: display.hpp:338
surface submerge_alpha(const surface &surf, int depth, float alpha_base, float alpha_delta)
Progressively reduce alpha of bottom part of the surface.
Definition: utils.cpp:1248
std::vector< std::shared_ptr< gui::button > > action_buttons_
Definition: display.hpp:785
map_location loc_
surface map_screenshot_surf_
Definition: display.hpp:1052
void clear_tooltips()
Definition: tooltips.cpp:120
virtual bool in_editor() const
Definition: display.hpp:202
bool team_valid() const
Definition: display.cpp:730
#define b
const theme::action * action_pressed()
Definition: display.cpp:1722
const int SIZE_XLARGE
Definition: constants.cpp:29
const std::string & text() const
Definition: theme.hpp:106
std::vector< std::string > shroud_images_
Definition: display.hpp:792
void draw_image_for_report(surface &img, SDL_Rect &rect)
Definition: display.cpp:2765
Object which defines a time of day with associated bonuses, image, sounds etc.
Definition: time_of_day.hpp:57
bool exists(const image::locator &i_locator)
returns true if the given image actually exists, without loading it.
Definition: picture.cpp:1028
void blindfold(bool flag)
Definition: display.cpp:526
events::generic_event complete_redraw_event_
notify observers that the screen has been redrawn completely atm this is used for replay_controller t...
Definition: display.hpp:773
void parse_team_overlays()
Check the overlay_map for proper team-specific overlays to be displayed/hidden.
Definition: display.cpp:115
const config & options()
Definition: game.cpp:582
This class stores all the data for a single &#39;side&#39; (in game nomenclature).
Definition: team.hpp:44
Belongs to a non-friendly side; normally visualised by not displaying an orb.
surface flop_surface(const surface &surf)
Definition: utils.cpp:1980
const std::string & id() const
Gets this unit&#39;s id.
Definition: unit.hpp:378
uint32_t last_frame_finished_
Definition: display.hpp:779
void adjust_surface_alpha(surface &surf, fixed_t amount)
Definition: utils.cpp:1086
void get_terrain_images(const map_location &loc, const std::string &timeid, TERRAIN_TYPE terrain_type)
Definition: display.cpp:1052
const arrow_path_t & get_previous_path() const
Definition: arrow.cpp:125
double turbo_speed() const
Definition: display.cpp:2395
static bool zoom_at_max()
Definition: display.cpp:2012
void draw_minimap()
Definition: display.cpp:1788
light_string get_light_string(int op, int r, int g, int b)
return light_string of one light operation(see above)
Definition: picture.cpp:596
const std::string & prefix() const
Definition: theme.hpp:130
void new_animation_frame()
Definition: animated.cpp:30
static unsigned calculate_fps(unsigned frametime)
Definition: display.cpp:1351
static bool outside_area(const SDL_Rect &area, const int x, const int y)
Check if the bbox of the hex at x,y has pixels outside the area rectangle.
Definition: display.cpp:585
bool tile_fully_on_screen(const map_location &loc) const
Check if a tile is fully visible on screen.
Definition: display.cpp:2102
const theme::menu * menu_pressed()
Definition: display.cpp:1738
Arrows destined to be drawn on the map.
Definition: arrow.hpp:29
surface screenshot(bool map_screenshot=false)
Capture a (map-)screenshot into a surface.
Definition: display.cpp:785
std::string theme()
Definition: game.cpp:832
void set_lifetime(int lifetime)
std::string get_orb_color(orb_status os)
Wrapper for the various preferences::unmoved_color(), moved_color(), etc methods, using the enum inst...
Definition: orb_status.cpp:36
bool font_rgb_set() const
Definition: theme.hpp:114
bool invalidate_visible_locations_in_rect(const SDL_Rect &rect)
Definition: display.cpp:3066
void recalculate_minimap()
Schedule the minimap for recalculation.
Definition: display.hpp:616
void scroll_to_xy(int screenxpos, int screenypos, SCROLL_TYPE scroll_type, bool force=true)
Definition: display.cpp:2119
config & add_child_at(config_key_type key, const config &val, unsigned index)
Definition: config.cpp:508
bool valid() const
Definition: location.hpp:93
bool map_screenshot_
Used to indicate to drawing functions that we are doing a map screenshot.
Definition: display.hpp:1018
arrows_map_t arrows_map_
Maps the list of arrows for each location.
Definition: display.hpp:1066
virtual image::TYPE get_image_type(const map_location &loc)
Definition: display.cpp:2757
bool idle_anim() const
Definition: display.hpp:492
const std::unique_ptr< map_labels > map_labels_
Definition: display.hpp:763
int xpos_
Position of the top-left corner of the viewport, in pixels.
Definition: display.hpp:741
config generate_report(const std::string &name, context &ct, bool only_static=false)
Definition: reports.cpp:1744
pango_text & set_font_size(const unsigned font_size)
Definition: text.cpp:331
void update_tod(const time_of_day *tod_override=nullptr)
Applies r,g,b coloring to the map.
Definition: display.cpp:454
void render_buttons()
Definition: display.cpp:933
bool dirty_
Definition: display.hpp:1070
std::string background_image
Definition: theme.hpp:90
bool idle_anim_
Definition: display.hpp:1049
SDL_Rect minimap_location_
Definition: display.hpp:753
double size
Definition: theme.hpp:88
void set_zoom(unsigned int amount)
sets the amount scaled images should be scaled.
Definition: picture.cpp:722
TERRAIN_TYPE
Used as a parameter for the get_terrain_at function.
Definition: builder.hpp:51
display(const display_context *dc, std::weak_ptr< wb::manager > wb, reports &reports_object, const config &theme_cfg, const config &level, bool auto_join=true)
Definition: display.cpp:166
std::string grid_bottom
tod_color color_adjust_
Definition: display.hpp:1068
void reinit_flags_for_team(const team &)
Rebuild the flag list (not team colors) for a single side.
Definition: display.cpp:319
uint8_t r
Red value.
Definition: color.hpp:177
fake_unit_manager * fake_units
Definition: resources.cpp:30
bool is_enemy(int n) const
Definition: team.hpp:243
void draw_text_in_hex(const map_location &loc, const drawing_layer layer, const std::string &text, std::size_t font_size, color_t color, double x_in_hex=0.5, double y_in_hex=0.5)
Draw text on a hex.
Definition: display.cpp:1515
void bounds_check_position()
Definition: display.cpp:2351
virtual void post_draw()
Called at the very end of each draw() call.
Definition: display.hpp:678
Modify, read and display user preferences.
bool font_rgb_set() const
Definition: theme.hpp:138
bool invalidateGameStatus_
Definition: display.hpp:762
#define MinZoom
Definition: display.cpp:79
void set_position(double xpos, double ypos)
void update_arrow(arrow &a)
Called by arrow objects when they change.
Definition: display.cpp:3154
map_display and display: classes which take care of displaying the map and game-data on the screen...
unsigned int fps_actual_
Definition: display.hpp:778
virtual const unit_map & units() const =0
void add_overlay(const map_location &loc, const std::string &image, const std::string &halo="", const std::string &team_name="", const std::string &item_id="", bool visible_under_fog=true, float z_order=0)
Functions to add and remove overlays from locations.
Definition: display.cpp:134
bool animate_map()
Definition: general.cpp:764
std::string shroud_prefix
Definition: game_config.cpp:71
void create_buttons()
Definition: display.cpp:874
const std::string & get_id() const
Definition: theme.hpp:52
std::array< map_location, 6 > adjacent_loc_array_t
Definition: location.hpp:170
const color_t YELLOW_COLOR
static const std::string & get_direction(std::size_t n)
Definition: display.cpp:957
const rect_of_hexes hexes_under_rect(const SDL_Rect &r) const
Return the rectangular area of hexes overlapped by r (r is in screen coordinates) ...
Definition: display.cpp:683
void invalidate_all()
Function to invalidate all tiles.
Definition: display.cpp:3011
void layout_buttons()
Definition: display.cpp:847
int invalidated_hexes_
Count work done for the debug info displayed under fps.
Definition: display.hpp:1046
bool draw_terrain_codes_
Debug flag - overlay terrain codes on tiles.
Definition: display.hpp:1059
int32_t fixed_t
Definition: math.hpp:312
void pump()
Definition: events.cpp:475
const color_t NORMAL_COLOR
bool fogged(const map_location &loc) const
Returns true if location (x,y) is covered in fog.
Definition: display.cpp:740
bool point_in_rect(int x, int y, const SDL_Rect &rect)
Tests whether a point is inside a rectangle.
Definition: rect.cpp:22
static int hex_width()
Function which returns the width of a hex in pixels, up to where the next hex starts.
Definition: display.hpp:249
lu_byte right
Definition: lparser.cpp:1027
std::string flag_rgb
static unsigned int last_zoom_
The previous value of zoom_.
Definition: display.hpp:749
Fog and shroud.
Definition: display.hpp:852
void set_color_adjustment(int r, int g, int b)
will make all scaled images have these rgb values added to all their pixels.
Definition: picture.cpp:694
std::unique_ptr< halo::manager > halo_man_
Definition: display.hpp:658
#define ftofxp(x)
IN: float or int - OUT: fixed_t.
Definition: math.hpp:317
int idle_anim_rate()
Definition: general.cpp:464
Encapsulates the map of the game.
Definition: location.hpp:42
void set_color(const color_t &color)
void set_team(const team *)
Definition: label.cpp:138
bool shrouded(const map_location &loc) const
Returns true if location (x,y) is covered in shroud.
Definition: display.cpp:735
boost::iterator_range< const_child_iterator > const_child_itors
Definition: config.hpp:213
#define DRAW_ALL_EVENT
Definition: events.hpp:29
unit_iterator find(std::size_t id)
Definition: map.cpp:311
void process_reachmap_changes()
Definition: display.cpp:3191
bool faked() const
Definition: video.hpp:65
const border_t & border() const
Definition: theme.hpp:283
Definition: video.cpp:50
void recalculate_labels()
Definition: label.cpp:244
int w() const
Effective map width, in hexes.
Definition: map.hpp:125
virtual void handle_event(const SDL_Event &)
Definition: display.cpp:3245
surface & get_screen_surface()
return the screen surface or the surface used for map_screenshot.
Definition: display.hpp:199
surface tod_hex_mask1
Definition: display.hpp:790
const color_t BLACK_COLOR
virtual overlay_map & get_overlays()=0
std::size_t i
Definition: function.cpp:933
virtual const std::vector< team > & teams() const =0
int current_refresh_rate() const
Definition: video.hpp:164
bool is_blindfolded() const
Definition: display.cpp:534
bool show_border
Definition: theme.hpp:93
void scroll_to_tile(const map_location &loc, SCROLL_TYPE scroll_type=ONSCREEN, bool check_fogged=true, bool force=true)
Scroll such that location loc is on-screen.
Definition: display.cpp:2198
void announce(const std::string &msg, const color_t &color=font::GOOD_COLOR, const announce_options &options=announce_options())
Announce a message prominently.
Definition: display.cpp:1772
virtual void highlight_hex(map_location hex)
Definition: display.cpp:1620
Holds options for calls to function &#39;announce&#39; (announce).
Definition: display.hpp:588
std::size_t activeTeam_
Definition: display.hpp:894
const std::string & postfix() const
Definition: theme.hpp:131
std::vector< std::shared_ptr< gui::button > > menu_buttons_
Definition: display.hpp:785
unsigned int tile_size()
Definition: general.cpp:604
u64 size
Definition: statement.cpp:80
void set_diagnostic(const std::string &msg)
Definition: display.cpp:1627
void scroll_to_tiles(map_location loc1, map_location loc2, SCROLL_TYPE scroll_type=ONSCREEN, bool check_fogged=true, double add_spacing=0.0, bool force=true)
Scroll such that location loc1 is on-screen.
Definition: display.cpp:2210
void invalidate_animations_location(const map_location &loc)
Per-location invalidation called by invalidate_animations() Extra game per-location invalidation (vil...
Definition: display.cpp:3083
default layer for drawing units
Definition: display.hpp:834
map_location get_middle_location() const
Definition: display.cpp:3168
static map_location::DIRECTION s
std::vector< std::string > names
Definition: build_info.cpp:62
unsigned int fps_counter_
Definition: display.hpp:776
virtual ~display()
Definition: display.cpp:281
double g
Definition: astarsearch.cpp:64
color_t font_rgb() const
Definition: theme.hpp:137
std::size_t playing_team() const
The playing team is the team whose turn it is.
Definition: display.hpp:97
bool draw_num_of_bitmaps_
Debug flag - overlay number of bitmaps on tiles.
Definition: display.hpp:1061
bool redraw_background_
Definition: display.hpp:755
void read(const config &cfg)
Definition: display.cpp:3183
bool dont_show_all_
Definition: display.hpp:736
int get_location_y(const map_location &loc) const
Definition: display.cpp:750
std::string name
Definition: sdl_ttf.cpp:70
std::basic_string< signed char > light_string
light_string store colors info of central and adjacent hexes.
Definition: picture.hpp:143
const SDL_Rect & map_outside_area() const
Returns the available area for a map, this may differ from the above.
Definition: display.hpp:237
void start_animation(int start_time, bool cycles=false)
Starts an animation cycle.
Helper structure for rendering the terrains.
Definition: display.hpp:937
void undraw_floating_labels(surface screen)
void raise_volatile_draw_event()
Definition: events.cpp:798
surface get_rendered_text(const std::string &str, int size, const color_t &color, int style)
Definition: sdl_ttf.cpp:295
int add_floating_label(const floating_label &flabel)
add a label floating on the screen above everything else.
const std::string & image() const
Definition: theme.hpp:155
bool tile_nearly_on_screen(const map_location &loc) const
Checks if location loc or one of the adjacent tiles is visible on screen.
Definition: display.cpp:2109
bool invalidate_locations_in_rect(const SDL_Rect &rect)
invalidate all hexes under the rectangle rect (in screen coordinates)
Definition: display.cpp:3071
Layer for the terrain drawn in front of the unit.
Definition: display.hpp:835
bool add_exclusive_draw(const map_location &loc, unit &unit)
Allows a unit to request to be the only one drawn in its hex.
Definition: display.cpp:423
virtual void draw_hex(const map_location &loc)
Redraws a single gamemap location.
Definition: display.cpp:2585
Represents terrains which are to be drawn in front of them.
Definition: builder.hpp:56
static bool zoom_at_min()
Definition: display.cpp:2017
int w
const menu * get_menu_item(const std::string &key) const
Definition: theme.cpp:970
Used for the bottom half part of grid image.
Definition: display.hpp:839
theme theme_
Definition: display.hpp:743
virtual const SDL_Rect & get_clip_rect()
Get the clipping rectangle for drawing.
Definition: display.cpp:2543
const bool & debug
bool view_locked_
Definition: display.hpp:742
surface mouseover_hex_overlay_
Definition: display.hpp:787
const std::vector< action > & actions() const
Definition: theme.hpp:256
Definitions for the terrain builder.
std::size_t index(const std::string &str, const std::size_t index)
Codepoint index corresponding to the nth character in a UTF-8 string.
Definition: unicode.cpp:71
surface greyscale_image(const surface &surf)
Definition: utils.cpp:640
Represents terrains which are to be drawn behind unit sprites.
Definition: builder.hpp:52
static gui::button::TYPE string_to_button_type(const std::string &type)
Definition: display.cpp:947
Layer for the terrain drawn behind the unit.
Definition: display.hpp:824
config & add_child(config_key_type key)
Definition: config.cpp:476
std::vector< std::string > fog_images_
Definition: display.hpp:791
Text class.
Definition: text.hpp:74
std::chrono::seconds fps_start_
Definition: display.hpp:777
std::vector< animated< image::locator > > imagelist
A shorthand typedef for a list of animated image locators, the base data type returned by the get_ter...
Definition: builder.hpp:74
void set_team(std::size_t team, bool observe=false)
Sets the team controlled by the player using the computer.
Definition: display.cpp:397
surface get_lighted_image(const image::locator &i_locator, const light_string &ls, TYPE type)
function to get the surface corresponding to an image.
Definition: picture.cpp:906
const status_item * get_status_item(const std::string &item) const
Definition: theme.cpp:929
SDL_Rect create_rect(const int x, const int y, const int w, const int h)
Creates an SDL_Rect with the given dimensions.
Definition: rect.hpp:39
std::map< map_location, unsigned int > reach_map
Definition: display.hpp:1032
bool redrawMinimap_
Definition: display.hpp:754
bool set_resolution(const SDL_Rect &screen)
Definition: theme.cpp:625
Definition: display.hpp:44
void drawing_buffer_add(const drawing_layer layer, const map_location &loc, int x, int y, const surface &surf, const SDL_Rect &clip=SDL_Rect())
Add an item to the drawing buffer.
Definition: display.cpp:1201
pango_text & set_maximum_width(int width)
Definition: text.cpp:364
const std::vector< team > & get_teams() const
Definition: display.hpp:94
static color_t get_minimap_color(int side)
Definition: team.cpp:954
reach_map reach_map_old_
Definition: display.hpp:1034
int get_location_x(const map_location &loc) const
Functions to get the on-screen positions of hexes.
Definition: display.cpp:745
const gamemap & get_map() const
Definition: display.hpp:92
const std::string & color() const
Definition: team.hpp:256
events::mouse_handler & get_mouse_handler_base() override
Get a reference to a mouse handler member a derived class uses.
virtual void post_commit()
Hook for actions to take right after draw() calls drawing_buffer_commit No action here by default...
Definition: display.hpp:698
exclusive_unit_draw_requests_t exclusive_unit_draw_requests_
map of hexes where only one unit should be drawn, the one identified by the associated id string ...
Definition: display.hpp:663
bool invalidateAll_
Definition: display.hpp:756
void redraw_unit(const unit &u) const
draw a unit.
Definition: drawer.cpp:65
events::generic_event scroll_event_
Event raised when the map is being scrolled.
Definition: display.hpp:767
iterator end() const
Definition: display.cpp:678
#define f
int lifetime
Lifetime measured in milliseconds.
Definition: display.hpp:591
double t
Definition: astarsearch.cpp:64
void reload_map()
Updates internals that cache map size.
Definition: display.cpp:504
uint32_t to_argb_bytes() const
Returns the stored color as a uint32_t, an ARGB format.
Definition: color.hpp:145
color_t rep() const
High-contrast shade, intended for the minimap markers.
Definition: color_range.hpp:96
orb_status unit_orb_status(const unit &u) const
Returns an enumurated summary of whether this unit can move and/or attack.
constexpr const SDL_Rect empty_rect
Definition: rect.hpp:31
std::map< std::string, surface > reportSurfaces_
Definition: display.hpp:783
std::set< map_location > invalidated_
Definition: display.hpp:786
std::vector< std::string > split(const config_attribute_value &val)
unsigned int tile_size
Definition: game_config.cpp:68
void toggle_default_zoom()
Sets the zoom amount to the default.
Definition: display.cpp:2090
lu_byte left
Definition: lparser.cpp:1026
void drawing_buffer_clear()
Clears the drawing buffer.
Definition: display.cpp:1318
std::map< std::string, config > reports_
Definition: display.hpp:784
const display_context * dc_
Definition: display.hpp:657
surface brighten_image(const surface &surf, fixed_t amount)
Definition: utils.cpp:1044
std::size_t viewing_team() const
The viewing team is the team currently viewing the game.
Definition: display.hpp:102
surface tile_surface(const surface &surf, int w, int h, bool centered)
Tile a surface.
Definition: utils.cpp:552
SDL_Rect draw_text(surface &dst, const SDL_Rect &area, int size, const color_t &color, const std::string &txt, int x, int y, bool use_tooltips, int style)
Function to draw text on a surface.
const color_range & color_info(const std::string &name)
std::vector< surface > terrain_image_vector_
Definition: display.hpp:814
this module manages the cache of images.
double idle_anim_rate_
Definition: display.hpp:1050
void fill_rectangle(const SDL_Rect &rect, const color_t &color)
Draws a filled rectangle.
Definition: rect.cpp:65
int drawn_hexes_
Definition: display.hpp:1047
Standard logging facilities (interface).
double turbo_speed_
Definition: display.hpp:760
int diagnostic_label_
Definition: display.hpp:758
void add_redraw_observer(std::function< void(display &)> f)
Adds a redraw observer, a function object to be called when redraw_everything is used.
Definition: display.cpp:2465
CVideo & video()
Gets the underlying screen object.
Definition: display.hpp:196
std::string ellipsis
std::size_t font_size() const
Definition: theme.hpp:136
EXIT_STATUS start(const std::string &filename, bool take_screenshot, const std::string &screenshot_filename)
Main interface for launching the editor from the title screen.
Definition: editor_main.cpp:28
static void draw_label(CVideo &video, surface target, const theme::label &label)
Definition: display.cpp:1428
bool scroll_to_action()
Definition: general.cpp:362
map_labels & labels()
Definition: display.cpp:2533
const std::vector< menu > & menus() const
Definition: theme.hpp:254
#define e
static void fill_images_list(const std::string &prefix, std::vector< std::string > &images)
Definition: display.cpp:471
const std::unique_ptr< fake_unit_manager > fake_unit_man_
Definition: display.hpp:750
#define SmallZoom
Definition: display.cpp:78
#define final_zoom_index
Definition: display.cpp:76
std::vector< animated< image::locator > > flags_
Animated flags for each team.
Definition: display.hpp:810
const config & child_or_empty(config_key_type key) const
Returns the first child with the given key, or an empty config if there is none.
Definition: config.cpp:453
surface & render()
Returns the rendered text.
Definition: text.cpp:90
pango_text & set_maximum_height(int height, bool multiline)
Definition: text.cpp:391
#define zoom_levels
Definition: display.cpp:75
int get_end_time() const
std::string team_name
Definition: overlay.hpp:53
void sdl_blit(const surface &src, SDL_Rect *src_rect, surface &dst, SDL_Rect *dst_rect)
Definition: utils.hpp:33
static void draw_panel(CVideo &video, const theme::panel &panel, std::vector< std::shared_ptr< gui::button >> &)
Definition: display.cpp:1407
int side() const
Definition: team.hpp:188
uint8_t g
Green value.
Definition: color.hpp:180
uint8_t b
Blue value.
Definition: color.hpp:183
virtual const time_of_day & get_time_of_day(const map_location &loc=map_location::null_location()) const
Definition: display.cpp:448
A config object defines a single node in a WML file, with access to child nodes.
Definition: config.hpp:68
mock_char c
void remove_single_overlay(const map_location &loc, const std::string &toDelete)
remove_single_overlay will remove a single overlay from a tile
Definition: display.cpp:154
SDL_Rect screen_area(bool as_pixels=true) const
Returns the current window renderer area, either in pixels or screen coordinates. ...
Definition: video.cpp:291
surface get_flag(const map_location &loc)
Definition: display.cpp:377
pango_text & set_foreground_color(const color_t &color)
Definition: text.cpp:354
const int font_size
Definition: button.cpp:40
static map_location::DIRECTION n
std::shared_ptr< halo_record > handle
Definition: halo.hpp:31
int add_tooltip(const SDL_Rect &rect, const std::string &message, const std::string &action, bool use_markup, const surface &foreground)
Definition: tooltips.cpp:175
bool scroll(int xmov, int ymov, bool force=false)
Scrolls the display by xmov,ymov pixels.
Definition: display.cpp:1918
bool turbo_
Definition: display.hpp:761
void add_arrow(arrow &)
Definition: display.cpp:3136
void remove_overlay(const map_location &loc)
remove_overlay will remove all overlays on a tile.
Definition: display.cpp:149
bool animate_map_
Local cache for preferences::animate_map, since it is constantly queried.
Definition: display.hpp:799
const SDL_Rect & max_map_area() const
Returns the maximum area used for the map regardless to resolution and view size. ...
Definition: display.cpp:540
static rng & default_instance()
Definition: random.cpp:73
#define LOG_DP
Definition: display.cpp:71
const std::vector< panel > & panels() const
Definition: theme.hpp:252
static void toggle_debug_foreground()
Toggle to debug foreground terrain.
Definition: display.cpp:1328
std::string grid_top
const std::unique_ptr< terrain_builder > builder_
Definition: display.hpp:751
static const std::string & get_variant(const std::vector< std::string > &variants, const map_location &loc)
Definition: display.cpp:493
void invalidate_theme()
Definition: display.hpp:402
std::string::const_iterator iterator
Definition: tokenizer.hpp:24
std::string fog_prefix
Definition: game_config.cpp:71
bool empty() const
Definition: config.cpp:884
void refresh_report(const std::string &report_name, const config *new_cfg=nullptr)
Redraws the specified report (if anything has changed).
Definition: display.cpp:2803
std::weak_ptr< wb::manager > wb_
Definition: display.hpp:659
std::shared_ptr< gui::button > find_menu_button(const std::string &id)
Definition: display.cpp:837
Definition: display.hpp:48
void set_theme(config theme_cfg)
Definition: display.cpp:291
int blindfold_ctr_
Definition: display.hpp:653
const std::string & team_name() const
Definition: team.hpp:297
void draw_floating_labels(surface screen)
TERRAIN_TYPE
Definition: display.hpp:718
bool grid_
Definition: display.hpp:757
std::vector< std::string > square_parenthetical_split(const std::string &val, const char separator, const std::string &left, const std::string &right, const int flags)
Similar to parenthetical_split, but also expands embedded square brackets.
std::string remove_exclusive_draw(const map_location &loc)
Cancels an exclusive draw request.
Definition: display.cpp:436
const int SIZE_SMALL
Definition: constants.cpp:23
std::pair< std::string, unsigned > item
Definition: help_impl.hpp:384
const color_t BAD_COLOR
std::size_t currentTeam_
Definition: display.hpp:735
void rebuild_all()
Rebuild all dynamic terrain.
Definition: display.cpp:499
bool propagate_invalidation(const std::set< map_location > &locs)
If this set is partially invalidated, invalidate all its hexes.
Definition: display.cpp:3039
void write(config &cfg) const
Definition: location.cpp:211
surface minimap_
Definition: display.hpp:752