200 lines
8.1 KiB
Ada
200 lines
8.1 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 ada.text_io, ada.strings.unbounded, interfaces.c, ray;
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use ada.text_io, ada.strings.unbounded, interfaces.c, ray;
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package core is
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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type echo_status is (
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failure, warning, success, comment, import, export
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);
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type cursor_code is (
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cursor_none, cursor_left, cursor_right, cursor_middle
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);
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type signal_code is (
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signal_none, signal_space, signal_0, signal_1, signal_2, signal_3,
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signal_4, signal_5, signal_6, signal_7, signal_8, signal_9,
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signal_a, signal_b, signal_c, signal_d, signal_e, signal_f,
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signal_g, signal_h, signal_i, signal_j, signal_k, signal_l,
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signal_m, signal_n, signal_o, signal_p, signal_q, signal_r,
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signal_s, signal_t, signal_u, signal_v, signal_w, signal_x,
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signal_y, signal_z, signal_grave, signal_escape, signal_enter, signal_tab,
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signal_backspace, signal_right, signal_left, signal_down, signal_up, signal_kp_0,
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signal_kp_1, signal_kp_2, signal_kp_3, signal_kp_4, signal_kp_5, signal_kp_6,
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signal_kp_7, signal_kp_8, signal_kp_9, signal_kp_subtract, signal_kp_add, signal_left_shift,
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signal_left_control, signal_f1, signal_f2, signal_f3, signal_f4, signal_f5,
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signal_f6, signal_f7, signal_f8, signal_f9, signal_f10, signal_f11,
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signal_f12
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);
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type animation is (
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idle, walk, melee, shoot, wounded, dead
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);
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------------------------------------------------------------------------------------------
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type colour_range is range 0 .. 2 ** 8 - 1;
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for colour_range'size use 8;
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type colour is record r, g, b, a : colour_range; end record;
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subtype short_string is string (1 .. 24);
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subtype long_string is string (1 .. 72);
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type pointer is access procedure;
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type vector is record x, y : integer; end record;
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type sprite is record index, width, height, frames, states : integer; end record;
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type font is record index, scale, space : integer; end record;
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type song is record index : integer; end record;
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type point is record
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value, limit : natural;
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end record;
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type string_box_data is record
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data : access string := null;
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text : unbounded_string := null_unbounded_string;
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size : vector := (0, 0);
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end record;
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------------------------------------------------------------------------------------------
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folder : constant string := ".";
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icon : constant natural := 32;
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base : constant natural := 16;
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gameplay_framerate : constant natural := 60;
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animation_framerate : constant natural := 4;
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echo_mark : constant array (echo_status) of boolean := (
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failure => true,
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warning => true,
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success => true,
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comment => true,
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import => true,
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export => true
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);
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engine_active : boolean := false;
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cursor : vector := (0, 0);
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camera : vector := (0, 0);
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cursor_mode : cursor_code := cursor_none;
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signal_mode : signal_code := signal_none;
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framerate : integer := 0;
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global_time : natural := 0;
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gameplay_time : natural := 0;
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animation_time : natural := 0;
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wheel : float := 0.0;
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zoom : natural := 1;
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help_box : string_box_data;
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text_box : string_box_data;
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global_image : ray.image;
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------------------------------------------------------------------------------------------
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function "=" (a, b : in signal_code) return boolean;
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function "=" (a, b : in cursor_code) return boolean;
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function "/" (a, b : in signal_code) return boolean;
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function "/" (a, b : in cursor_code) return boolean;
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function "+" (data : in point; modifier : in natural) return point;
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function "-" (data : in point; modifier : in natural) return point;
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function "*" (data : in point; modifier : in natural) return point;
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function "/" (data : in point; modifier : in natural) return point;
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procedure echo ( status : in echo_status; text : in string);
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procedure echo_when (condition : in boolean; status : in echo_status; text : in string);
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procedure dash;
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procedure semi_dash;
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function c_string (ada_string : in string) return string;
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function random (minimum, maximum : in integer) return integer;
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function clip (value, minimum, maximum : in integer) return integer;
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function lowercase (text : in string) return string;
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function window_width return integer;
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function window_height return integer;
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function center_x (object : in integer) return integer;
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function center_y (object : in integer) return integer;
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function cursor_inside (x, y, width, height : in integer) return boolean;
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function import_sprite (file_path : in string; frames, states : in integer) return sprite;
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function import_font (file_path : in string; scale, space : in integer) return font;
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function import_song (file_path : in string) return song;
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procedure import_text (data : in out string_box_data; file_path : in string);
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procedure create_image (width, height : in integer);
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procedure render_image (data : in sprite; x, y, u, v, width, height : in integer);
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procedure draw_pixel (x, y : in integer; tint : in colour);
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procedure export_image (file_path : in string);
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procedure draw (data : in sprite := (others => 0);
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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 animation := idle;
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factor : in integer := zoom;
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tint : in colour := (others => 255));
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procedure draw_horizontally (data : in sprite; x, y, width, factor : in integer; tint : in colour := (others => 255));
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procedure draw_vertically (data : in sprite; x, y, height, factor : in integer; tint : in colour := (others => 255));
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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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tint : in colour := (others => 255);
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size : in integer := 0;
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data : in font := (others => 0));
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procedure play (index : in integer);
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procedure stop (index : in integer);
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procedure overlay;
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function read_help_box return string;
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function read_text_box return string;
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procedure write_help_box (text : in string);
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procedure write_text_box (text : in string);
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procedure increment (value : in out integer);
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procedure decrement (value : in out integer);
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procedure idle_skip;
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procedure move_camera_up;
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procedure move_camera_down;
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procedure move_camera_left;
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procedure move_camera_right;
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procedure toggle_fullscreen;
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procedure initialize;
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procedure deinitialize;
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procedure synchronize;
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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end core;
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