The Battle for Wesnoth  1.19.13+dev
Classes | Functions
location.hpp File Reference
#include <array>
#include <set>
#include <string>
#include <tuple>
#include <vector>
#include <utility>
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Classes

struct  wml_loc
 
struct  cubic_location
 Represents a map location in cubic hexagonal coordinates. More...
 
struct  map_location
 Encapsulates the map of the game. More...
 
struct  std::hash< map_location >
 

Functions

bool tiles_adjacent (const map_location &a, const map_location &b)
 Function which tells if two locations are adjacent. More...
 
void get_adjacent_tiles (const map_location &a, map_location *res)
 Function which, given a location, will place all adjacent locations in res. More...
 
std::array< map_location, 6 > get_adjacent_tiles (const map_location &center)
 Returns an array of the six hexes adjacent to center. More...
 
std::size_t distance_between (const map_location &a, const map_location &b)
 Function which gives the number of hexes between two tiles (i.e. More...
 
void write_location_range (const std::set< map_location > &locs, config &cfg)
 Write a set of locations into a config using ranges, adding keys x=x1,..,xn and y=y1a-y1b,..,yna-ynb. More...
 
void read_locations (const config &cfg, std::vector< map_location > &locs)
 Parse x,y keys of a config into a vector of locations. More...
 
void write_locations (const std::vector< map_location > &locs, config &cfg)
 Write a vector of locations into a config adding keys x=x1,x2,..,xn and y=y1,y2,..,yn. More...
 
std::ostream & operator<< (std::ostream &s, const map_location &l)
 Dumps a position on a stream, for debug purposes. More...
 
std::ostream & operator<< (std::ostream &s, const std::vector< map_location > &v)
 Dumps a vector of positions on a stream, for debug purposes. More...
 
std::ostream & operator<< (std::ostream &s, map_location::direction dir)
 Print a direction's string representation to stream. More...
 

Function Documentation

◆ distance_between()

std::size_t distance_between ( const map_location a,
const map_location b 
)

Function which gives the number of hexes between two tiles (i.e.

the minimum number of hexes that have to be traversed to get from one hex to the other).

Definition at line 583 of file location.cpp.

References b, map_location::x, and map_location::y.

Referenced by attack_type::abilities_special_tooltips(), unit::ability_active_impl(), ai::ai_default_rca::move_to_targets_phase::access_points(), actions::actor_sighted(), ai::protect_goal::add_targets(), ai::attack_analysis::attack_close(), battle_context_unit_stats::battle_context_unit_stats(), soundsource::positional_source::calculate_volume(), characterization_distance_direction(), ai::ai_default_rca::move_to_targets_phase::choose_move(), events::mouse_handler::current_unit_attacks_from(), wfl::builtins::DEFINE_WFL_FUNCTION(), ai::ai_default_rca::goto_phase::evaluate(), ai::ai_default_rca::leader_shares_keep_phase::execute(), unit_filter_impl::unit_filter_compound::fill(), ai::default_ai_context_impl::find_targets(), ai::ai_default_rca::get_villages_phase::find_villages(), unit::get_abilities(), unit::get_ability_bool(), wfl::function_symbol_table::get_builtins(), unit::halo_or_icon_abilities(), attack_type::has_filter_special_or_ability(), attack_type::has_special_or_ability(), attack_type::has_special_or_ability_with_filter(), lua_map_location::intf_distance_between(), ai::readonly_context_impl::nearest_keep(), rank_castle_location(), reality_check_get_direction_helper(), attack_type::special_active_impl(), display_context::unit_can_move(), and attack_type::weapon_specials_impl_adj().

◆ get_adjacent_tiles() [1/2]

void get_adjacent_tiles ( const map_location a,
map_location res 
)

Function which, given a location, will place all adjacent locations in res.

res must point to an array of 6 location objects.

Definition at line 512 of file location.cpp.

References map_location::x, and map_location::y.

Referenced by pathfind::a_star_search(), unit::ability_active_impl(), ai::attack_analysis::analyze(), ai::ai_default_rca::aspect_attacks_base::analyze_targets(), backstab_check(), cave_map_generator::cave_map_generator_job::build_chamber(), actions::shroud_clearer::clear_dest(), actions::shroud_clearer::clear_loc(), wfl::attack_map_callable::collect_possible_attacks(), ai::default_ai_context_impl::count_free_hexes_in_castle(), events::mouse_handler::current_unit_attacks_from(), default_map_generator_job::default_generate_map(), wfl::builtins::DEFINE_WFL_FUNCTION(), wfl::gamestate::DEFINE_WFL_FUNCTION(), ai::ai_default_rca::aspect_attacks_base::do_attack_analysis(), ai::ai_default_rca::move_to_targets_phase::enemies_along_path(), pathfind::enemy_zoc(), ai::ai_default_rca::retreat_phase::evaluate(), unit_filter_impl::unit_filter_compound::fill(), pathfind::find_routes(), ai::default_ai_context_impl::find_targets(), pathfind::find_vacant_tile(), flood_name(), default_map_generator_job::generate_river_internal(), ai::keeps_cache::get(), events::mouse_handler::get_adj_enemies(), get_adjacent_tiles(), editor::editor_map::get_contiguous_terrain_tiles(), display::get_fog_shroud_images(), tod_manager::get_illuminated_time_of_day(), ai::formula_ai::get_keeps(), game_display::get_reachmap_images(), display::get_terrain_images(), get_tiles_radius(), lua_map_location::intf_get_adjacent_tiles(), terrain_filter::match_internal(), editor::mouse_action_item::move(), editor::mouse_action_unit::move(), ai::ai_default_rca::move_to_targets_phase::move_group(), cave_map_generator::cave_map_generator_job::place_castle(), place_village(), ai::readonly_context_impl::power_projection(), ai::formula_ai::shortest_path_calculator(), attack_type::special_active_impl(), display_context::unit_can_move(), unit_display::unit_mover::wait_for_anims(), and display_context::would_be_discovered().

◆ get_adjacent_tiles() [2/2]

std::array<map_location, 6> get_adjacent_tiles ( const map_location center)

Returns an array of the six hexes adjacent to center.

Definition at line 533 of file location.cpp.

References get_adjacent_tiles().

◆ operator<<() [1/3]

std::ostream& operator<< ( std::ostream &  s,
const map_location l 
)

Dumps a position on a stream, for debug purposes.

Definition at line 36 of file location.cpp.

References s, map_location::wml_x(), and map_location::wml_y().

◆ operator<<() [2/3]

std::ostream& operator<< ( std::ostream &  s,
const std::vector< map_location > &  v 
)

Dumps a vector of positions on a stream, for debug purposes.

Definition at line 41 of file location.cpp.

References i, and s.

◆ operator<<() [3/3]

std::ostream& operator<< ( std::ostream &  s,
map_location::direction  dir 
)

Print a direction's string representation to stream.

Print a direction's string representation to stream.

Definition at line 50 of file location.cpp.

References s, and map_location::write_direction().

◆ read_locations()

void read_locations ( const config cfg,
std::vector< map_location > &  locs 
)

Parse x,y keys of a config into a vector of locations.

Throws bad_lexical_cast if it fails to parse.

Definition at line 480 of file location.cpp.

References read_locations_helper(), utils::split(), and utils::views::transform.

Referenced by fix_rename_command(), actions::shroud_clearing_action::shroud_clearing_action(), soundsource::sourcespec::sourcespec(), and SYNCED_COMMAND_HANDLER_FUNCTION().

◆ tiles_adjacent()

bool tiles_adjacent ( const map_location a,
const map_location b 
)

◆ write_location_range()

void write_location_range ( const std::set< map_location > &  locs,
config cfg 
)

Write a set of locations into a config using ranges, adding keys x=x1,..,xn and y=y1a-y1b,..,yna-ynb.

Definition at line 436 of file location.cpp.

References i.

Referenced by tod_manager::to_config(), and team::write().

◆ write_locations()

void write_locations ( const std::vector< map_location > &  locs,
config cfg 
)

Write a vector of locations into a config adding keys x=x1,x2,..,xn and y=y1,y2,..,yn.

Definition at line 492 of file location.cpp.

References i.

Referenced by replay_helper::get_movement(), actions::shroud_clearing_action::write(), soundsource::sourcespec::write(), and soundsource::positional_source::write_config().