303 lines
14 KiB
Ada
303 lines
14 KiB
Ada
-- Copyright (c) 2024 - Ognjen 'xolatile' Milan Robovic
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--
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-- GNU General Public Licence (version 3 or later)
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with core, ui, resource, item, unit, construction;
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package body world is
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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view_reach : constant integer := 48;
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dark : core.sprite;
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border_upper : core.sprite;
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border_lower : core.sprite;
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border_left : core.sprite;
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border_right : core.sprite;
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corner_upper_left : core.sprite;
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corner_upper_right : core.sprite;
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corner_lower_left : core.sprite;
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corner_lower_right : core.sprite;
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------------------------------------------------------------------------------------------
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procedure configure is
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begin
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core.echo (core.comment, "Configuring world components...");
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--
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tiles := core.import_sprite ("./sprite/world/terrain/terrain.png", 1, 1);
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dark := core.import_sprite ("./sprite/world/dark.png", 1, 1);
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border_upper := core.import_sprite ("./sprite/world/frame/border_upper.png", 1, 1);
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border_lower := core.import_sprite ("./sprite/world/frame/border_lower.png", 1, 1);
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border_left := core.import_sprite ("./sprite/world/frame/border_left.png", 1, 1);
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border_right := core.import_sprite ("./sprite/world/frame/border_right.png", 1, 1);
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corner_upper_left := core.import_sprite ("./sprite/world/frame/corner_upper_left.png", 1, 1);
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corner_upper_right := core.import_sprite ("./sprite/world/frame/corner_upper_right.png", 1, 1);
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corner_lower_left := core.import_sprite ("./sprite/world/frame/corner_lower_left.png", 1, 1);
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corner_lower_right := core.import_sprite ("./sprite/world/frame/corner_lower_right.png", 1, 1);
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--
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for index in landmark_index loop
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declare file : constant string := core.lowercase (index'image);
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begin
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landmarks (index) := core.import_sprite ("./sprite/world/landmark/" & file & ".png", trait (index).frames, 1);
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end;
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end loop;
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end configure;
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------------------------------------------------------------------------------------------
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procedure make (index : in biome; width, height : in natural) is
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begin
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core.echo (core.comment, "-- Procedurally generating new map...");
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--
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core.echo (core.comment, "-- -- Map type : " & index'image);
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core.echo (core.comment, "-- -- Map width :" & width'image);
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core.echo (core.comment, "-- -- Map height :" & height'image);
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core.echo (core.comment, "-- -- Landmark count :" & landmark_limit'image);
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--
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map.kind := index;
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map.width := width;
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map.height := height;
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--
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map.tiles := new tile_array (0 .. map.width - 1, 0 .. map.height - 1);
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map.clips := new clip_array (0 .. map.width - 1, 0 .. map.height - 1);
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map.views := new view_array (0 .. map.width - 1, 0 .. map.height - 1);
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map.landmarks := new entity_array (1 .. landmark_limit);
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map.constructions := new entity_array (1 .. 30);
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map.items := new entity_array (1 .. 60);
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map.units := new entity_array (1 .. 90);
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--
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for x in 0 .. width - 1 loop
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for y in 0 .. height - 1 loop
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map.tiles (x, y) := (if core.random (0, 23) < 20 then 0 else core.random (0, 23));
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map.clips (x, y) := false;
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map.views (x, y) := false;
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end loop;
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end loop;
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--
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for index in 1 .. landmark_limit loop
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map.landmarks (index).index := core.random (0, 9);
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map.landmarks (index).x := core.random (6, map.width - 6);
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map.landmarks (index).y := core.random (6, map.height - 6);
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--
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if trait (landmark_index'val (map.landmarks (index).index)).clip then
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declare reach_x : constant natural := landmarks (landmark_index'val (map.landmarks (index).index)).width / core.base;
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reach_y : constant natural := landmarks (landmark_index'val (map.landmarks (index).index)).height / core.base;
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begin
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for x in 0 .. reach_x - 1 loop
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for y in 0 .. reach_y - 1 loop
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map.clips (map.landmarks (index).x + x, map.landmarks (index).y + y) := true;
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end loop;
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end loop;
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end;
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end if;
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end loop;
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--
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for index in 1 .. 30 loop
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map.constructions (index).index := core.random (0, construction.count - 1);
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map.constructions (index).x := core.random (6, map.width - 6);
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map.constructions (index).y := core.random (6, map.height - 6);
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--
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declare reach_x : constant natural := construction.sprite (construction.enumeration'val (map.constructions (index).index)).width / core.base;
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reach_y : constant natural := construction.sprite (construction.enumeration'val (map.constructions (index).index)).height / core.base;
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begin
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for x in 0 .. reach_x - 1 loop
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for y in 0 .. reach_y - 1 loop
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map.clips (map.constructions (index).x + x, map.constructions (index).y + y) := true;
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end loop;
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end loop;
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end;
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end loop;
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--
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for index in 1 .. 60 loop
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map.items (index).index := core.random (0, item.count - 1);
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map.items (index).x := core.random (0, map.width - 1);
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map.items (index).y := core.random (0, map.height - 1);
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end loop;
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--
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for index in 1 .. 90 loop
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map.units (index).index := core.random (0, unit.count - 1);
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map.units (index).x := core.random (0, map.width - 1);
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map.units (index).y := core.random (0, map.height - 1);
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--
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map.clips (map.units (index).x, map.units (index).y) := true;
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end loop;
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--
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core.echo (core.success, "Finished procedurally generating new map.");
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end make;
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------------------------------------------------------------------------------------------
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procedure draw is
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u : integer := 0;
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v : integer := 0;
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--
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offset : core.vector := ((core.window_width - core.base) / 2,
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(core.window_height - core.base) / 2);
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begin
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for vertical in 0 .. map.height - 1 loop
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exit when offset.y + (vertical - core.camera.y) * core.base * core.zoom > core.window_height;
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--
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for horizontal in 0 .. map.width - 1 loop
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exit when offset.x + (horizontal - core.camera.x) * core.base * core.zoom > core.window_width;
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--
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if not ((horizontal - core.camera.x) ** 2 + (vertical - core.camera.y) ** 2 > view_reach * 2) then
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map.views (horizontal, vertical) := true;
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end if;
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end loop;
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end loop;
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--
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declare x : integer := core.base * core.zoom * (-1- core.camera.x) + offset.x;
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y : integer := core.base * core.zoom * (-1- core.camera.y) + offset.y;
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width : integer := core.base * core.zoom * (map.width + 2);
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height : integer := core.base * core.zoom * (map.height + 2);
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begin
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core.draw_horizontally (border_upper, x + core.base, y, width - 2 * core.base);
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core.draw_horizontally (border_lower, x + core.base, y + height - core.base, width - 2 * core.base);
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core.draw_vertically (border_left, x, y + core.base, height - 2 * core.base);
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core.draw_vertically (border_right, x + width - core.base, y + core.base, height - 2 * core.base);
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--
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core.draw (corner_upper_left, x, y);
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core.draw (corner_upper_right, x + width - core.base, y);
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core.draw (corner_lower_left, x, y + height - core.base);
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core.draw (corner_lower_right, x + width - core.base, y + height - core.base);
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end;
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--
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for vertical in 0 .. map.height - 1 loop
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exit when offset.y + (vertical - core.camera.y) * core.base * core.zoom > core.window_height;
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--
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for horizontal in 0 .. map.width - 1 loop
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exit when offset.x + (horizontal - core.camera.x) * core.base * core.zoom > core.window_width;
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--
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if map.views (horizontal, vertical) then
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u := core.base * biome'pos (map.kind) * 4;
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v := core.base * map.tiles (horizontal, vertical);
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--
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core.draw (data => tiles,
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x => offset.x + (horizontal - core.camera.x) * core.base * core.zoom,
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y => offset.y + (vertical - core.camera.y) * core.base * core.zoom,
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u => u,
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v => v,
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width => core.base,
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height => core.base);
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if core.cursor.x > offset.x + (horizontal - core.camera.x ) * core.base * core.zoom - 6
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and core.cursor.x < offset.x + (horizontal - core.camera.x + 1) * core.base * core.zoom + 6
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and core.cursor.y > offset.y + (vertical - core.camera.y ) * core.base * core.zoom - 6
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and core.cursor.y < offset.y + (vertical - core.camera.y + 1) * core.base * core.zoom + 6
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and core.cursor_mode = 1 and not ui.prioritize then
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core.camera.x := horizontal;
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core.camera.y := vertical;
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core.cursor_mode := 0;
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end if;
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end if;
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end loop;
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end loop;
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--
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for index in 1 .. landmark_limit loop
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if map.views (map.landmarks (index).x, map.landmarks (index).y) then
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core.draw (data => landmarks (landmark_index'val (map.landmarks (index).index)),
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x => offset.x + (map.landmarks (index).x - core.camera.x) * core.base * core.zoom,
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y => offset.y + (map.landmarks (index).y - core.camera.y) * core.base * core.zoom);
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end if;
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end loop;
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--
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for index in 1 .. 30 loop
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if map.views (map.constructions (index).x, map.constructions (index).y) then
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construction.draw (construction.enumeration'val (map.constructions (index).index),
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offset.x + (map.constructions (index).x - core.camera.x) * core.base * core.zoom,
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offset.y + (map.constructions (index).y - core.camera.y) * core.base * core.zoom);
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end if;
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end loop;
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--
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for index in 1 .. 60 loop
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if map.views (map.items (index).x, map.items (index).y) then
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item.draw (item.enumeration'val (map.items (index).index),
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core.idle,
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offset.x + (map.items (index).x - core.camera.x) * core.base * core.zoom,
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offset.y + (map.items (index).y - core.camera.y) * core.base * core.zoom);
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end if;
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end loop;
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--
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for index in 1 .. 90 loop
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if map.views (map.units (index).x, map.units (index).y) then
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unit.draw_data (map.units (index).index,
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offset.x + (map.units (index).x - core.camera.x) * core.base * core.zoom,
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offset.y + (map.units (index).y - core.camera.y) * core.base * core.zoom);
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end if;
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end loop;
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--
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for vertical in 0 .. map.height - 1 loop
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exit when offset.y + (vertical - core.camera.y) * core.base * core.zoom > core.window_height;
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--
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for horizontal in 0 .. map.width - 1 loop
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exit when offset.x + (horizontal - core.camera.x) * core.base * core.zoom > core.window_width;
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--
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if (horizontal - core.camera.x) ** 2 + (vertical - core.camera.y) ** 2 > view_reach then
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core.draw (data => dark,
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x => offset.x + (horizontal - core.camera.x) * core.base * core.zoom,
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y => offset.y + (vertical - core.camera.y) * core.base * core.zoom);
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end if;
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end loop;
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end loop;
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end draw;
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------------------------------------------------------------------------------------------
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procedure mapshot (file_path : in string) is
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begin
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core.create_image (map.width, map.height);
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--
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for vertical in 0 .. map.height - 1 loop
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for horizontal in 0 .. map.width - 1 loop
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core.render_image (data => tiles,
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x => horizontal * core.base,
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y => vertical * core.base,
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u => core.base * biome'pos (map.kind) * 4,
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v => core.base * map.tiles (horizontal, vertical),
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width => core.base,
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height => core.base);
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end loop;
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end loop;
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--
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for index in 1 .. landmark_limit loop
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core.render_image (data => landmarks (landmark_index'val (map.landmarks (index).index)),
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x => map.landmarks (index).x * core.base,
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y => map.landmarks (index).y * core.base,
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u => 0,
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v => 0,
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width => landmarks (landmark_index'val (map.landmarks (index).index)).width,
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height => landmarks (landmark_index'val (map.landmarks (index).index)).height);
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end loop;
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--
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for index in 1 .. 30 loop
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core.render_image (data => construction.sprite (construction.enumeration'val (map.constructions (index).index)),
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x => map.landmarks (index).x * core.base,
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y => map.landmarks (index).y * core.base,
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u => 0,
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v => 0,
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width => construction.sprite (construction.enumeration'val (map.constructions (index).index)).width,
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height => construction.sprite (construction.enumeration'val (map.constructions (index).index)).height);
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end loop;
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--
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for index in 1 .. 60 loop
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core.render_image (data => item.sprite (item.enumeration'val (map.items (index).index)),
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x => map.landmarks (index).x * core.base,
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y => map.landmarks (index).y * core.base,
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u => 0,
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v => 0,
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width => item.sprite (item.enumeration'val (map.items (index).index)).width,
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height => item.sprite (item.enumeration'val (map.items (index).index)).height);
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end loop;
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--
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core.export_image (file_path);
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--
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core.echo (core.success, "Exported current world mapshot.");
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--
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core.dash;
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end mapshot;
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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end world;
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