212 lines
9.0 KiB
Ada
212 lines
9.0 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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------------------------------------------------------------------------------------------
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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/dark.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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--
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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) := (core.random (0, 23) * core.random (0, 23)) mod 24;
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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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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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view;
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--
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ui.draw_icon_menu (x => core.base * core.zoom * (-1- core.camera.x) + offset.x,
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y => core.base * core.zoom * (-1- core.camera.y) + offset.y,
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width => core.base * core.zoom * (map.width + 2),
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height => core.base * core.zoom * (map.height + 2));
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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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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 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 view is
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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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end view;
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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end world;
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