367 lines
15 KiB
Ada
367 lines
15 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, ray;
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package body core is
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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type terminal_colour is (
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grey, red, green, yellow, blue, pink,
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cyan, white
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);
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type terminal_effect is (
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normal, bold, italic, underline, blink, invert
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);
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------------------------------------------------------------------------------------------
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type texture_data_array is array (natural range <>) of ray.texture;
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type sound_data_array is array (natural range <>) of ray.sound;
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type font_data_array is array (natural range <>) of ray.font;
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------------------------------------------------------------------------------------------
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texture_count : integer := 0;
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sound_count : integer := 0;
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font_count : integer := 0;
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texture_array : access texture_data_array;
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sound_array : access sound_data_array;
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font_array : access font_data_array;
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------------------------------------------------------------------------------------------
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procedure terminal (colour : in terminal_colour := white;
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effect : in terminal_effect := normal) is
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format : string := character'val (27) & "[" & character'val (terminal_effect'pos (effect) + 48) & ";3" & character'val (terminal_colour'pos (colour) + 48) & "m";
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begin
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put (format);
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end terminal;
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------------------------------------------------------------------------------------------
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procedure echo (status : in echo_status;
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text : in string) is
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begin
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if not echo_mark (status) then
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return;
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end if;
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--
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put ("[");
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case status is
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when failure => terminal (red, bold); put ("Failure"); terminal;
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when warning => terminal (yellow, bold); put ("Warning"); terminal;
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when success => terminal (green, bold); put ("Success"); terminal;
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when comment => terminal (grey, bold); put ("Comment"); terminal;
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when import => terminal (cyan, bold); put (" <-- "); terminal;
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when export => terminal (blue, bold); put (" --> "); terminal;
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end case;
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put ("] ");
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--
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put_line (text);
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end echo;
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------------------------------------------------------------------------------------------
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procedure dash is
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begin
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terminal (grey, bold);
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put ("------------------------------------------------------------------------------------------");
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put ("------------------------------------------------------------------------------------------");
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terminal;
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new_line;
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end dash;
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------------------------------------------------------------------------------------------
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procedure semi_dash is
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begin
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terminal (grey, bold);
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put (" ");
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put ("------------------------------------------------------------------------------------------");
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terminal;
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new_line;
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end semi_dash;
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------------------------------------------------------------------------------------------
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function c_string (ada_string : string) return string is
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begin
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return (ada_string & character'val (0));
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end c_string;
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------------------------------------------------------------------------------------------
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function random (minimum, maximum : in integer) return integer is
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begin
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return ray.get_random (minimum, maximum);
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end random;
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------------------------------------------------------------------------------------------
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function clip (value, minimum, maximum : in integer) return integer is
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begin
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if value < minimum then return minimum; end if;
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if value > maximum then return maximum; end if;
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--
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return value;
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end clip;
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------------------------------------------------------------------------------------------
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function import_sprite (file_path : in string; frames, states : in integer) return sprite is
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this : sprite;
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begin
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texture_array (texture_count) := ray.load_texture (c_string (file_path));
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--
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texture_count := texture_count + 1;
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this.index := texture_count - 1;
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this.width := texture_array (this.index).width / frames;
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this.height := texture_array (this.index).height / states;
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this.frames := frames;
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this.states := states;
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--
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if this.width = 0 or this.height = 0 then
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echo (failure, "Sprite not imported: " & file_path);
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else
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echo (import, this.index'image & file_path & this.frames'image & this.states'image & this.width'image & this.height'image);
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end if;
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--
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return this;
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end import_sprite;
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------------------------------------------------------------------------------------------
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function import_font (file_path : in string; scale, space : in integer) return font is
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this : font;
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begin
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font_array (font_count) := ray.load_font (c_string (file_path));
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--
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font_count := font_count + 1;
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this.index := font_count - 1;
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this.scale := scale;
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this.space := space;
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--
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return this;
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end import_font;
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------------------------------------------------------------------------------------------
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function import_song (file_path : in string) return song is
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this : song;
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begin
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sound_array (sound_count) := ray.load_sound (c_string (file_path));
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--
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sound_count := sound_count + 1;
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this.index := sound_count - 1;
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--
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return this;
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end import_song;
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------------------------------------------------------------------------------------------
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procedure draw (data : in sprite;
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x : in integer := 0;
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y : in integer := 0;
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u : in integer := 0;
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v : in integer := 0;
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width : in integer := 0;
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height : in integer := 0;
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state : in integer := 0) is
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resize : vector := (0, 0);
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begin
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resize.x := (if width = 0 then data.width else width);
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resize.y := (if height = 0 then data.height else height);
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--
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ray.draw_texture (data => texture_array (data.index),
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uv => (float (if u = 0 then (animation_time mod data.frames) * data.width else u), float (v), float (resize.x), float (resize.y)),
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view => (float (x), float (y), float (resize.x) * float (zoom), float (resize.y) * float (zoom)));
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end draw;
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------------------------------------------------------------------------------------------
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procedure write (text : in string := "";
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x : in integer := 0;
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y : in integer := 0;
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data : in font) is
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begin
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ray.draw_text (data => font_array (data.index),
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text => c_string (text),
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view => (float ((icon - data.scale) / 2 + x), float ((icon - data.scale) / 2 + y)),
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scale => float (data.scale),
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space => float (data.space));
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end write;
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------------------------------------------------------------------------------------------
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function lowercase (text : in string) return string is
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result : string (1 .. text'length);
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begin
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for index in text'range loop
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if text (index) in 'A' .. 'Z' then
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result (index) := character'val (character'pos (text (index)) + 32);
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else
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result (index) := text (index);
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end if;
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end loop;
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--
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return result;
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end lowercase;
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------------------------------------------------------------------------------------------
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function read_text_box return string is
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begin
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return to_string (text_box.data);
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end read_text_box;
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------------------------------------------------------------------------------------------
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procedure write_text_box (text : in string) is
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begin
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text_box.data := to_unbounded_string (text);
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end write_text_box;
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------------------------------------------------------------------------------------------
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function window_width return integer is begin return ray.get_screen_width; end window_width;
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function window_height return integer is begin return ray.get_screen_height; end window_height;
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------------------------------------------------------------------------------------------
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procedure initialize is
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begin
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echo (comment, "Initializing core components...");
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--
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engine_active := true;
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texture_array := new texture_data_array (0 .. 1600);
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sound_array := new sound_data_array (0 .. 4);
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font_array := new font_data_array (0 .. 8);
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--
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echo (comment, "-- Setting trace log level to none (ignoring all default Raylib logs).");
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ray.set_trace_log_level (ray.log_none);
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echo (comment, "-- Initializing Raylib window data...");
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echo (comment, "-- -- Window title : Chads of Might & Magic");
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echo (comment, "-- -- Window width : 1800");
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echo (comment, "-- -- Window height : 900");
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ray.open_window (1800, 900, "Chads of Might & Magic");
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echo (comment, "-- Initializing Raylib audio device data...");
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ray.open_audio_device;
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--
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ray.randomization (19970725);
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ray.set_target_fps (60);
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--
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echo (success, "Initialized core components.");
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end initialize;
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------------------------------------------------------------------------------------------
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procedure deinitialize is
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begin
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echo (comment, "Deinitializing core components...");
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--
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engine_active := false;
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--
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echo (comment, "-- -- Unloading Raylib" & texture_count'image & " textures.");
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echo (comment, "-- -- Unloading Raylib" & sound_count'image & " sounds.");
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echo (comment, "-- -- Unloading Raylib" & font_count'image & " fonts.");
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--
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for index in 0 .. texture_count - 1 loop ray.unload_texture (texture_array (index)); end loop;
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for index in 0 .. sound_count - 1 loop ray.unload_sound (sound_array (index)); end loop;
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for index in 0 .. font_count - 1 loop ray.unload_font (font_array (index)); end loop;
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--
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echo (comment, "-- Deinitializing Raylib audio device data...");
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ray.close_audio_device;
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--
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echo (comment, "-- Deinitializing Raylib window data...");
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ray.close_window;
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--
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echo (success, "Deinitialized core components.");
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end deinitialize;
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------------------------------------------------------------------------------------------
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procedure synchronize is
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signal : integer := signal_code'pos (signal_none);
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begin
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global_time := global_time + 1;
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global_time := global_time mod (gameplay_framerate * animation_framerate);
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gameplay_time := global_time mod (gameplay_framerate);
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animation_time := global_time / (gameplay_framerate / animation_framerate);
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framerate := integer (ray.get_fps);
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signal := ray.get_key_pressed;
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cursor.x := ray.get_mouse_x;
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cursor.y := ray.get_mouse_y;
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--
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ray.draw_fps (window_width - 100, window_height - 100);
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--
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ray.end_drawing;
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--
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if ray.exit_key_is_pressed then
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engine_active := false;
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end if;
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--
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if ray.mouse_button_is_pressed (ray.mouse_button_left) then cursor_mode := 1; end if;
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if ray.mouse_button_is_pressed (ray.mouse_button_right) then cursor_mode := 2; end if;
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if ray.mouse_button_is_pressed (ray.mouse_button_middle) then cursor_mode := 3; end if;
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if ray.mouse_button_is_released (ray.mouse_button_left) then cursor_mode := 0; end if;
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if ray.mouse_button_is_released (ray.mouse_button_right) then cursor_mode := 0; end if;
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if ray.mouse_button_is_released (ray.mouse_button_middle) then cursor_mode := 0; end if;
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--
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case signal is
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when 48 .. 57 => signal_mode := signal - 48 + signal_code'pos (signal_0);
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when 65 .. 90 => signal_mode := signal - 65 + signal_code'pos (signal_a);
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when 320 .. 329 => signal_mode := signal - 320 + signal_code'pos (signal_kp_0);
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--
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when 0 => signal_mode := signal_code'pos (signal_none);
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when 32 => signal_mode := signal_code'pos (signal_space);
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when 96 => signal_mode := signal_code'pos (signal_grave);
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when 340 => signal_mode := signal_code'pos (signal_left_shift);
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when 341 => signal_mode := signal_code'pos (signal_left_control);
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when 333 => signal_mode := signal_code'pos (signal_kp_subtract);
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when 334 => signal_mode := signal_code'pos (signal_kp_add);
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when 256 => signal_mode := signal_code'pos (signal_escape);
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when 257 => signal_mode := signal_code'pos (signal_enter);
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when 258 => signal_mode := signal_code'pos (signal_tab);
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when 259 => signal_mode := signal_code'pos (signal_backspace);
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when 262 => signal_mode := signal_code'pos (signal_right);
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when 263 => signal_mode := signal_code'pos (signal_left);
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when 264 => signal_mode := signal_code'pos (signal_down);
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when 265 => signal_mode := signal_code'pos (signal_up);
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when others => signal_mode := signal_code'pos (signal_none);
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end case;
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--
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ray.begin_drawing;
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--
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ray.clear_background ((50, 60, 70, 255));
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end synchronize;
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------------------------------------------------------------------------------------------
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procedure play (index : in integer) is begin ray.play_sound (sound_array (index)); end play;
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procedure stop (index : in integer) is begin ray.stop_sound (sound_array (index)); end stop;
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------------------------------------------------------------------------------------------
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procedure overlay is
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begin
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ray.draw_rectangle (0, 0, window_width, window_height, (0, 0, 0, 127));
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end overlay;
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------------------------------------------------------------------------------------------
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procedure idle is begin null; end idle;
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procedure move_camera_up is begin core.camera.y := core.camera.y - 1; end move_camera_up;
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procedure move_camera_down is begin core.camera.y := core.camera.y + 1; end move_camera_down;
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procedure move_camera_left is begin core.camera.x := core.camera.x - 1; end move_camera_left;
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procedure move_camera_right is begin core.camera.x := core.camera.x + 1; end move_camera_right;
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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end core;
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