135 lines
5.0 KiB
Ada
135 lines
5.0 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, resource, item, unit, construction, world;
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package body world is
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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type landmark_index is (
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dead_tree, mossy_rock, palm_tree, pine_tree, reeds, rock, snowed_pine_tree, snowed_rock, spiky_rock
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);
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type landmark_trait is record
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spawn : biome;
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clip : boolean;
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frames : integer;
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end record;
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type landmark_value is record
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index : landmark_index;
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x, y : integer;
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end record;
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type tile_array is array (natural range <>, natural range <>) of integer;
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type landmark_array is array (natural range <>) of landmark_value;
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type information is record
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kind : biome;
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width : natural;
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height : natural;
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tiles : access tile_array;
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landmarks : access landmark_array;
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end record;
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------------------------------------------------------------------------------------------
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map : information;
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tiles : core.sprite;
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landmarks : array (landmark_index) of core.sprite;
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landmark_limit : constant integer := 40;
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trait : constant array (landmark_index) of landmark_trait := (
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dead_tree => (ash, true, 1),
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mossy_rock => (swamp, true, 1),
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palm_tree => (sand, true, 4),
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pine_tree => (grass, true, 4),
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reeds => (swamp, false, 4),
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rock => (sand, true, 1),
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snowed_pine_tree => (snow, true, 4),
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snowed_rock => (snow, true, 1),
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spiky_rock => (ash, true, 1)
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);
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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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--
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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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map.tiles := new tile_array (0 .. width - 1, 0 .. height - 1);
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map.landmarks := new landmark_array (1 .. landmark_limit);
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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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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 := landmark_index'val (core.random (0, 8));
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map.landmarks (index).x := core.base * core.random (1, 90);
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map.landmarks (index).y := core.base * core.random (1, 60);
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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, v : integer;
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begin
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for move_y in 0 .. core.window_height / core.base / core.zoom + 1 loop
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for move_x in 0 .. core.window_width / core.base / core.zoom + 1 loop
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u := core.base * biome'pos (map.kind) * 4;
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v := core.base * map.tiles (core.camera.x + move_x, core.camera.y + move_y);
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--
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core.draw (tiles, move_x * core.base * core.zoom, move_y * core.base * core.zoom, u, v, core.base, 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.draw (data => landmarks (map.landmarks (index).index),
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x => (map.landmarks (index).x - core.camera.x * core.base) * core.zoom,
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y => (map.landmarks (index).y - core.camera.y * core.base) * core.zoom);
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end loop;
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end draw;
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------------------------------------------------------------------------------------------
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function width return integer is begin return map.width; end width;
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function height return integer is begin return map.height; end height;
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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end world;
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