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Game_Framework.ads
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--TODO:
--fix sound array and finish sdl_mixer
--sdl.mouse
--sdl.rwops
--ensure smooth keyboard/mouse input
--test ALL sound
--fix resize
--isolate all event related framework out of main
--put opengl stuff in
--CLEAN IT UP!
--COMMENT IT UP!
with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;
with Ada.Text_IO; use Ada.Text_IO;
with Gnat.OS_Lib; use Gnat.OS_Lib;
with SDL.Mouse; use SDL.Mouse;
with SDL.RWops; use SDL.RWops;
with System;
with System.Address_To_Access_Conversions;
with Interfaces.C; use Interfaces.C;
with Interfaces.C.Strings;
with Interfaces.C.Pointers;
with Interfaces.C.Extensions;
package Game_Framework is
type Framework_Boolean
is new Interfaces.C.int;
type Event_Type
is new Interfaces.Unsigned_8;
for Event_Type'Size
use 8;
type Key_Modifier
is mod 2**32;
pragma Convention (C, Key_Modifier);
type Key
is new Interfaces.C.int;
type Initialization_Flag
is mod 2**32;
pragma Convention (C, Initialization_Flag);
type Surface_Flags
is mod 2 ** 32;
for Surface_Flags'Size use 32;
type GLattr
is new Interfaces.C.int;
type Active_State
is mod 2**8;
for Active_State'Size
use 8;
type Format_Flag
is mod 2**16;
pragma Convention (C, Format_Flag);
type Format_Flag_ptr
is access Format_Flag;
pragma Convention (C, Format_Flag_ptr);
APPMOUSEFOCUS : constant Active_State := 16#01#;
APPINPUTFOCUS : constant Active_State := 16#02#;
APPACTIVE : constant Active_State := 16#04#;
MAX_SOUNDS : CONSTANT Integer := 4;
DEFAULT_RESOLUTION_WIDTH : CONSTANT Short_Integer := 800;
DEFAULT_RESOLUTION_HEIGHT : CONSTANT Short_Integer := 800;
DEFAULT_FRAME_RATE : CONSTANT Short_Integer := 60;
DEFAULT_BITS_PER_PIXEL : CONSTANT Short_Integer := 8;
FRAMEWORK_FALSE : constant Framework_Boolean := 0;
FRAMEWORK_TRUE : constant Framework_Boolean := 1;
FRAMEWORK_PRESSED : constant := 16#01#;
FRAMEWORK_RELEASED : constant := 16#00#;
FLAG_INITIALIZE_TIMER : CONSTANT Initialization_Flag := 16#00000001#;
FLAG_INITIALIZE_AUDIO : CONSTANT Initialization_Flag := 16#00000010#;
FLAG_INITIALIZE_VIDEO : CONSTANT Initialization_Flag := 16#00000020#;
FLAG_INITIALIZE_CDROM : CONSTANT Initialization_Flag := 16#00000100#;
FLAG_INITIALIZE_NOPARACHUTE : CONSTANT Initialization_Flag := 16#00100000#;
FLAG_INITIALIZE_EVENTTHREAD : CONSTANT Initialization_Flag := 16#01000000#;
FLAG_INITIALIZE_EVERYTHING : CONSTANT Initialization_Flag := 16#0000FFFF#;
AUDIO_U8 : CONSTANT Format_Flag := 16#0008#;
AUDIO_S8 : CONSTANT Format_Flag := 16#8008#;
AUDIO_U16LSB : CONSTANT Format_Flag := 16#0010#;
AUDIO_S16LSB : CONSTANT Format_Flag := 16#8010#;
AUDIO_U16MSB : CONSTANT Format_Flag := 16#1010#;
AUDIO_S16MSB : CONSTANT Format_Flag := 16#9010#;
AUDIO_U16 : CONSTANT Format_Flag := AUDIO_U16LSB;
AUDIO_S16 : CONSTANT Format_Flag := AUDIO_S16LSB;
SWSURFACE : constant Surface_Flags := 16#00000000#;
HWSURFACE : constant Surface_Flags := 16#00000001#;
ASYNCBLIT : constant Surface_Flags := 16#00000004#;
ANYFORMAT : constant Surface_Flags := 16#10000000#;
HWPALETTE : constant Surface_Flags := 16#20000000#;
DOUBLEBUF : constant Surface_Flags := 16#40000000#;
FULLSCREEN : constant Surface_Flags := 16#80000000#;
OPENGL : constant Surface_Flags := 16#00000002#;
OPENGLBLIT : constant Surface_Flags := 16#0000000A#;
RESIZABLE : constant Surface_Flags := 16#00000010#;
NOFRAME : constant Surface_Flags := 16#00000020#;
HWACCEL : constant Surface_Flags := 16#00000100#;
SRCCOLORKEY : constant Surface_Flags := 16#00001000#;
RLEACCELOK : constant Surface_Flags := 16#00002000#;
RLEACCEL : constant Surface_Flags := 16#00004000#;
SRCALPHA : constant Surface_Flags := 16#00010000#;
PREALLOC : constant Surface_Flags := 16#01000000#;
GL_RED_SIZE : constant GLattr := 0;
GL_GREEN_SIZE : constant GLattr := 1;
GL_BLUE_SIZE : constant GLattr := 2;
GL_ALPHA_SIZE : constant GLattr := 3;
GL_BUFFER_SIZE : constant GLattr := 4;
GL_DOUBLEBUFFER : constant GLattr := 5;
GL_DEPTH_SIZE : constant GLattr := 6;
GL_STENCIL_SIZE : constant GLattr := 7;
GL_ACCUM_RED_SIZE : constant GLattr := 8;
GL_ACCUM_GREEN_SIZE : constant GLattr := 9;
GL_ACCUM_BLUE_SIZE : constant GLattr := 10;
GL_ACCUM_ALPHA_SIZE : constant GLattr := 11;
LOGPAL : constant := 16#01#;
PHYSPAL : constant := 16#02#;
NOEVENT : constant Event_Type := 0;
ISACTIVEEVENT : constant Event_Type := 1;
KEYDOWN : constant Event_Type := 2;
KEYUP : constant Event_Type := 3;
MOUSEMOTION : constant Event_Type := 4;
MOUSEBUTTONDOWN : constant Event_Type := 5;
MOUSEBUTTONUP : constant Event_Type := 6;
JOYAXISMOTION : constant Event_Type := 7;
JOYBALLMOTION : constant Event_Type := 8;
JOYHATMOTION : constant Event_Type := 9;
JOYBUTTONDOWN : constant Event_Type := 10;
JOYBUTTONUP : constant Event_Type := 11;
QUIT : constant Event_Type := 12;
ISSYSWMEVENT : constant Event_Type := 13;
EVENT_RESERVEDA : constant Event_Type := 14;
EVENT_RESERVEDB : constant Event_Type := 15;
VIDEORESIZE : constant Event_Type := 16;
EVENT_RESERVED1 : constant Event_Type := 17;
EVENT_RESERVED2 : constant Event_Type := 18;
EVENT_RESERVED3 : constant Event_Type := 19;
EVENT_RESERVED4 : constant Event_Type := 20;
EVENT_RESERVED5 : constant Event_Type := 21;
EVENT_RESERVED6 : constant Event_Type := 22;
EVENT_RESERVED7 : constant Event_Type := 23;
ISUSEREVENT : constant Event_Type := 24;
NUMEVENTS : constant Event_Type := 32;
KEY_UNKNOWN : CONSTANT Key := 0;
KEY_FIRST : CONSTANT Key := 0;
KEY_BACKSPACE : CONSTANT Key := 8;
KEY_TAB : CONSTANT Key := 9;
KEY_CLEAR : CONSTANT Key := 12;
KEY_RETURN : CONSTANT Key := 13;
KEY_PAUSE : CONSTANT Key := 19;
KEY_ESCAPE : CONSTANT Key := 27;
KEY_SPACE : CONSTANT Key := 32;
KEY_EXCLAIM : CONSTANT Key := 33;
KEY_QUOTEDBL : CONSTANT Key := 34;
KEY_HASH : CONSTANT Key := 35;
KEY_DOLLAR : CONSTANT Key := 36;
KEY_AMPERSAND : CONSTANT Key := 38;
KEY_QUOTE : CONSTANT Key := 39;
KEY_LEFTPAREN : CONSTANT Key := 40;
KEY_RIGHTPAREN : CONSTANT Key := 41;
KEY_ASTERISK : CONSTANT Key := 42;
KEY_PLUS : CONSTANT Key := 43;
KEY_COMMA : CONSTANT Key := 44;
KEY_MINUS : CONSTANT Key := 45;
KEY_PERIOD : CONSTANT Key := 46;
KEY_SLASH : CONSTANT Key := 47;
KEY_0 : CONSTANT Key := 48;
KEY_1 : CONSTANT Key := 49;
KEY_2 : CONSTANT Key := 50;
KEY_3 : CONSTANT Key := 51;
KEY_4 : CONSTANT Key := 52;
KEY_5 : CONSTANT Key := 53;
KEY_6 : CONSTANT Key := 54;
KEY_7 : CONSTANT Key := 55;
KEY_8 : CONSTANT Key := 56;
KEY_9 : CONSTANT Key := 57;
KEY_COLON : CONSTANT Key := 58;
KEY_SEMICOLON : CONSTANT Key := 59;
KEY_LESS : CONSTANT Key := 60;
KEY_EQUALS : CONSTANT Key := 61;
KEY_GREATER : CONSTANT Key := 62;
KEY_QUESTION : CONSTANT Key := 63;
KEY_AT : CONSTANT Key := 64;
KEY_LEFTBRACKET : CONSTANT Key := 91;
KEY_BACKSLASH : CONSTANT Key := 92;
KEY_RIGHTBRACKET : CONSTANT Key := 93;
KEY_CARET : CONSTANT Key := 94;
KEY_UNDERSCORE : CONSTANT Key := 95;
KEY_BACKQUOTE : CONSTANT Key := 96;
KEY_a : CONSTANT Key := 97;
KEY_b : CONSTANT Key := 98;
KEY_c : CONSTANT Key := 99;
KEY_d : CONSTANT Key := 100;
KEY_e : CONSTANT Key := 101;
KEY_f : CONSTANT Key := 102;
KEY_g : CONSTANT Key := 103;
KEY_h : CONSTANT Key := 104;
KEY_i : CONSTANT Key := 105;
KEY_j : CONSTANT Key := 106;
KEY_k : CONSTANT Key := 107;
KEY_l : CONSTANT Key := 108;
KEY_m : CONSTANT Key := 109;
KEY_n : CONSTANT Key := 110;
KEY_o : CONSTANT Key := 111;
KEY_p : CONSTANT Key := 112;
KEY_q : CONSTANT Key := 113;
KEY_r : CONSTANT Key := 114;
KEY_s : CONSTANT Key := 115;
KEY_t : CONSTANT Key := 116;
KEY_u : CONSTANT Key := 117;
KEY_v : CONSTANT Key := 118;
KEY_w : CONSTANT Key := 119;
KEY_x : CONSTANT Key := 120;
KEY_y : CONSTANT Key := 121;
KEY_z : CONSTANT Key := 122;
KEY_DELETE : CONSTANT Key := 127;
KEY_WORLD_0 : CONSTANT Key := 160;
KEY_WORLD_1 : CONSTANT Key := 161;
KEY_WORLD_2 : CONSTANT Key := 162;
KEY_WORLD_3 : CONSTANT Key := 163;
KEY_WORLD_4 : CONSTANT Key := 164;
KEY_WORLD_5 : CONSTANT Key := 165;
KEY_WORLD_6 : CONSTANT Key := 166;
KEY_WORLD_7 : CONSTANT Key := 167;
KEY_WORLD_8 : CONSTANT Key := 168;
KEY_WORLD_9 : CONSTANT Key := 169;
KEY_WORLD_10 : CONSTANT Key := 170;
KEY_WORLD_11 : CONSTANT Key := 171;
KEY_WORLD_12 : CONSTANT Key := 172;
KEY_WORLD_13 : CONSTANT Key := 173;
KEY_WORLD_14 : CONSTANT Key := 174;
KEY_WORLD_15 : CONSTANT Key := 175;
KEY_WORLD_16 : CONSTANT Key := 176;
KEY_WORLD_17 : CONSTANT Key := 177;
KEY_WORLD_18 : CONSTANT Key := 178;
KEY_WORLD_19 : CONSTANT Key := 179;
KEY_WORLD_20 : CONSTANT Key := 180;
KEY_WORLD_21 : CONSTANT Key := 181;
KEY_WORLD_22 : CONSTANT Key := 182;
KEY_WORLD_23 : CONSTANT Key := 183;
KEY_WORLD_24 : CONSTANT Key := 184;
KEY_WORLD_25 : CONSTANT Key := 185;
KEY_WORLD_26 : CONSTANT Key := 186;
KEY_WORLD_27 : CONSTANT Key := 187;
KEY_WORLD_28 : CONSTANT Key := 188;
KEY_WORLD_29 : CONSTANT Key := 189;
KEY_WORLD_30 : CONSTANT Key := 190;
KEY_WORLD_31 : CONSTANT Key := 191;
KEY_WORLD_32 : CONSTANT Key := 192;
KEY_WORLD_33 : CONSTANT Key := 193;
KEY_WORLD_34 : CONSTANT Key := 194;
KEY_WORLD_35 : CONSTANT Key := 195;
KEY_WORLD_36 : CONSTANT Key := 196;
KEY_WORLD_37 : CONSTANT Key := 197;
KEY_WORLD_38 : CONSTANT Key := 198;
KEY_WORLD_39 : CONSTANT Key := 199;
KEY_WORLD_40 : CONSTANT Key := 200;
KEY_WORLD_41 : CONSTANT Key := 201;
KEY_WORLD_42 : CONSTANT Key := 202;
KEY_WORLD_43 : CONSTANT Key := 203;
KEY_WORLD_44 : CONSTANT Key := 204;
KEY_WORLD_45 : CONSTANT Key := 205;
KEY_WORLD_46 : CONSTANT Key := 206;
KEY_WORLD_47 : CONSTANT Key := 207;
KEY_WORLD_48 : CONSTANT Key := 208;
KEY_WORLD_49 : CONSTANT Key := 209;
KEY_WORLD_50 : CONSTANT Key := 210;
KEY_WORLD_51 : CONSTANT Key := 211;
KEY_WORLD_52 : CONSTANT Key := 212;
KEY_WORLD_53 : CONSTANT Key := 213;
KEY_WORLD_54 : CONSTANT Key := 214;
KEY_WORLD_55 : CONSTANT Key := 215;
KEY_WORLD_56 : CONSTANT Key := 216;
KEY_WORLD_57 : CONSTANT Key := 217;
KEY_WORLD_58 : CONSTANT Key := 218;
KEY_WORLD_59 : CONSTANT Key := 219;
KEY_WORLD_60 : CONSTANT Key := 220;
KEY_WORLD_61 : CONSTANT Key := 221;
KEY_WORLD_62 : CONSTANT Key := 222;
KEY_WORLD_63 : CONSTANT Key := 223;
KEY_WORLD_64 : CONSTANT Key := 224;
KEY_WORLD_65 : CONSTANT Key := 225;
KEY_WORLD_66 : CONSTANT Key := 226;
KEY_WORLD_67 : CONSTANT Key := 227;
KEY_WORLD_68 : CONSTANT Key := 228;
KEY_WORLD_69 : CONSTANT Key := 229;
KEY_WORLD_70 : CONSTANT Key := 230;
KEY_WORLD_71 : CONSTANT Key := 231;
KEY_WORLD_72 : CONSTANT Key := 232;
KEY_WORLD_73 : CONSTANT Key := 233;
KEY_WORLD_74 : CONSTANT Key := 234;
KEY_WORLD_75 : CONSTANT Key := 235;
KEY_WORLD_76 : CONSTANT Key := 236;
KEY_WORLD_77 : CONSTANT Key := 237;
KEY_WORLD_78 : CONSTANT Key := 238;
KEY_WORLD_79 : CONSTANT Key := 239;
KEY_WORLD_80 : CONSTANT Key := 240;
KEY_WORLD_81 : CONSTANT Key := 241;
KEY_WORLD_82 : CONSTANT Key := 242;
KEY_WORLD_83 : CONSTANT Key := 243;
KEY_WORLD_84 : CONSTANT Key := 244;
KEY_WORLD_85 : CONSTANT Key := 245;
KEY_WORLD_86 : CONSTANT Key := 246;
KEY_WORLD_87 : CONSTANT Key := 247;
KEY_WORLD_88 : CONSTANT Key := 248;
KEY_WORLD_89 : CONSTANT Key := 249;
KEY_WORLD_90 : CONSTANT Key := 250;
KEY_WORLD_91 : CONSTANT Key := 251;
KEY_WORLD_92 : CONSTANT Key := 252;
KEY_WORLD_93 : CONSTANT Key := 253;
KEY_WORLD_94 : CONSTANT Key := 254;
KEY_WORLD_95 : CONSTANT Key := 255;
KEY_KP0 : CONSTANT Key := 256;
KEY_KP1 : CONSTANT Key := 257;
KEY_KP2 : CONSTANT Key := 258;
KEY_KP3 : CONSTANT Key := 259;
KEY_KP4 : CONSTANT Key := 260;
KEY_KP5 : CONSTANT Key := 261;
KEY_KP6 : CONSTANT Key := 262;
KEY_KP7 : CONSTANT Key := 263;
KEY_KP8 : CONSTANT Key := 264;
KEY_KP9 : CONSTANT Key := 265;
KEY_KP_PERIOD : CONSTANT Key := 266;
KEY_KP_DIVIDE : CONSTANT Key := 267;
KEY_KP_MULTIPLY : CONSTANT Key := 268;
KEY_KP_MINUS : CONSTANT Key := 269;
KEY_KP_PLUS : CONSTANT Key := 270;
KEY_KP_ENTER : CONSTANT Key := 271;
KEY_KP_EQUALS : CONSTANT Key := 272;
KEY_UP : CONSTANT Key := 273;
KEY_DOWN : CONSTANT Key := 274;
KEY_RIGHT : CONSTANT Key := 275;
KEY_LEFT : CONSTANT Key := 276;
KEY_INSERT : CONSTANT Key := 277;
KEY_HOME : CONSTANT Key := 278;
KEY_END : CONSTANT Key := 279;
KEY_PAGEUP : CONSTANT Key := 280;
KEY_PAGEDOWN : CONSTANT Key := 281;
KEY_F1 : CONSTANT Key := 282;
KEY_F2 : CONSTANT Key := 283;
KEY_F3 : CONSTANT Key := 284;
KEY_F4 : CONSTANT Key := 285;
KEY_F5 : CONSTANT Key := 286;
KEY_F6 : CONSTANT Key := 287;
KEY_F7 : CONSTANT Key := 288;
KEY_F8 : CONSTANT Key := 289;
KEY_F9 : CONSTANT Key := 290;
KEY_F10 : CONSTANT Key := 291;
KEY_F11 : CONSTANT Key := 292;
KEY_F12 : CONSTANT Key := 293;
KEY_F13 : CONSTANT Key := 294;
KEY_F14 : CONSTANT Key := 295;
KEY_F15 : CONSTANT Key := 296;
KEY_NUMLOCK : CONSTANT Key := 300;
KEY_CAPSLOCK : CONSTANT Key := 301;
KEY_SCROLLOCK : CONSTANT Key := 302;
KEY_SHIFT_RIGHT : CONSTANT Key := 303;
KEY_SHIFT_LEFT : CONSTANT Key := 304;
KEY_CTRL_RIGHT : CONSTANT Key := 305;
KEY_CTRL_LEFT : CONSTANT Key := 306;
KEY_ALT_RIGHT : CONSTANT Key := 307;
KEY_ALT_LEFT : CONSTANT Key := 308;
KEY_META_RIGHT : CONSTANT Key := 309;
KEY_META_LEFT : CONSTANT Key := 310;
KEY_SUPER_LEFT : CONSTANT Key := 311;
KEY_SUPER_RIGHT : CONSTANT Key := 312;
KEY_MODE : CONSTANT Key := 313;
KEY_COMPOSE : CONSTANT Key := 314;
KEY_HELP : CONSTANT Key := 315;
KEY_PRINT : CONSTANT Key := 316;
KEY_SYSREQ : CONSTANT Key := 317;
KEY_BREAK : CONSTANT Key := 318;
KEY_MENU : CONSTANT Key := 319;
KEY_POWER : CONSTANT Key := 320;
KEY_EURO : CONSTANT Key := 321;
KEY_LAST : CONSTANT Key := 322;
KEY_MODIFIER_NONE : CONSTANT Key_Modifier := 16#0000#;
KEY_MODIFIER_SHIFT_LEFT : CONSTANT Key_Modifier := 16#0001#;
KEY_MODIFIER_SHIFT_RIGHT : CONSTANT Key_Modifier := 16#0002#;
KEY_MODIFIER_CTRL_LEFT : CONSTANT Key_Modifier := 16#0040#;
KEY_MODIFIER_CTRL_RIGHT : CONSTANT Key_Modifier := 16#0080#;
KEY_MODIFIER_ALT_LEFT : CONSTANT Key_Modifier := 16#0100#;
KEY_MODIFIER_ALT_RIGHT : CONSTANT Key_Modifier := 16#0200#;
KEY_MODIFIER_META_LEFT : CONSTANT Key_Modifier := 16#0400#;
KEY_MODIFIER_META_RIGHT : CONSTANT Key_Modifier := 16#0800#;
KEY_MODIFIER_NUM : CONSTANT Key_Modifier := 16#1000#;
KEY_MODIFIER_CAPS : CONSTANT Key_Modifier := 16#2000#;
KEY_MODIFIER_MODE : CONSTANT Key_Modifier := 16#4000#;
KEY_MODIFIER_RESERVED : CONSTANT Key_Modifier := 16#8000#;
KEY_MODIFIER_CTRL : CONSTANT Key_Modifier := (KEY_MODIFIER_CTRL_LEFT or KEY_MODIFIER_CTRL_RIGHT);
KEY_MODIFIER_SHIFT : CONSTANT Key_Modifier := (KEY_MODIFIER_SHIFT_LEFT or KEY_MODIFIER_SHIFT_RIGHT);
KEY_MODIFIER_ALT : CONSTANT Key_Modifier := (KEY_MODIFIER_ALT_LEFT or KEY_MODIFIER_ALT_RIGHT);
KEY_MODIFIER_META : CONSTANT Key_Modifier := (KEY_MODIFIER_META_LEFT or KEY_MODIFIER_META_RIGHT);
POSTFIX_FILE_NAME : CONSTANT String := "Combat_Arena.Media_Layer";
PREFIX_SEPORATOR : CONSTANT String := "-------------------------------";
PREFIX_LINE_NUMBER : CONSTANT String := "Line number: ";
PREFIX_FATAL : CONSTANT String := "Fatal Error Encountered...";
PREFIX_NONFATAL : CONSTANT String := "Non-fatal Error Encountered...";
INITIALIZATION_SDL : CONSTANT String := "SDL was unable to load: ";
INITIALIZATION_SURFACE : CONSTANT String := "The video mode was unable to be set: ";
INITIALIZATION_AUDIO : CONSTANT String := "The audio system was unable to load: ";
FILE_LOAD_AUDIO : CONSTANT String := "Error loading audio file: ";
FILE_ACCESS_AUDIO : CONSTANT String := "Attempt at audio access without proper flags set.";
VIDEO_MODE_REFRESH : CONSTANT String := "The video mode was unable to be refreashed with surface: ";
ALPHA_OPAQUE : constant := 255;
ALPHA_TRANSPARENT : constant := 0;
type Void_Ptr
is new System.Address;
type Integer_8_Unsigned
is new Interfaces.C.unsigned_char;
type Integer_8_Unsigned_Access
is access all Integer_8_Unsigned;
pragma Convention (C, Integer_8_Unsigned_Access);
type Integer_8_Signed
is new Interfaces.C.char;
type Integer_8_Signed_Access
is access all Integer_8_Signed;
pragma Convention (C, Integer_8_Signed_Access);
type Integer_16_Unsigned
is new Interfaces.C.unsigned_short;
type Integer_16_Unsigned_Access
is access all Integer_16_Unsigned;
pragma Convention (C, Integer_16_Unsigned_Access);
type Integer_16_Signed
is new Interfaces.C.short;
type Integer_16_Signed_Access
is access all Integer_16_Signed;
pragma Convention (C, Integer_16_Signed_Access);
type Integer_32_Unsigned
is new Interfaces.C.unsigned;
type Integer_32_Unsigned_Access
is access all Integer_32_Unsigned;
pragma Convention (C, Integer_32_Unsigned_Access);
subtype Integer_32_Signed
is Standard.Integer;
type Integer_32_Signed_Access
is access all Integer_32_Signed;
pragma Convention (C, Integer_32_Signed_Access);
type Integer_64_Unsigned
is new Interfaces.C.Extensions.unsigned_long_long;
type Integer_64_Unsigned_Access
is access all Integer_64_Unsigned;
pragma Convention (C, Integer_64_Unsigned_Access);
type Integer_64_Signed
is new Interfaces.C.Extensions.long_long;
type Integer_64_Signed_Access
is access all Integer_64_Signed;
pragma Convention (C, Integer_64_Signed_Access);
subtype Float_32
is Standard.Float;
type Bit_1
is mod 2**1;
type Bit_6
is mod 2**6;
type Bit_16
is mod 2**16;
type Bit_31
is mod 2**31;
type keysym
is record
scancode : Integer_8_Unsigned;
sym : Key;
the_mod : Key_Modifier;
unicode : Integer_16_Unsigned;
end record;
for keysym'Size
use 8*16;
pragma Convention (C, keysym);
type keysym_ptr
is access all keysym;
pragma Convention (C, keysym_ptr);
type keysym_Const_ptr
is access constant keysym;
pragma Convention (C, keysym_Const_ptr);
type ActiveEvent
is record
-- the_type, -- ISACTIVEEVENT
the_type : Event_Type; -- ISACTIVEEVENT;
gain, -- Whether given states were gained or lost (1/0)
state : Active_State; -- A mask of the focus states
end record;
pragma Convention (C, ActiveEvent);
type KeyboardEvent
is record
the_type : Event_Type;
which : Integer_8_Unsigned;
state : Integer_8_Unsigned;
keysym2 : aliased keysym;
end record;
pragma Convention (C, KeyboardEvent);
type MouseMotionEvent
is record
the_type : Event_Type;
which : Integer_8_Unsigned;
state : Integer_8_Unsigned;
x, y : Integer_16_Unsigned;
xrel : Integer_16_Signed;
yrel : Integer_16_Signed;
end record;
pragma Convention (C, MouseMotionEvent);
type MouseButtonEvent
is record
the_type : Event_Type;
which : Integer_8_Unsigned;
button : Integer_8_Unsigned;
state : SDL.Mouse.Mouse_Button_State;
x, y : Integer_16_Unsigned;
end record;
pragma Convention (C, MouseButtonEvent);
type ResizeEvent
is record
the_type : Event_Type;
w, h : Interfaces.C.int;
end record;
pragma Convention (C, ResizeEvent);
type QuitEvent
is record
the_type : Event_Type;
end record;
pragma Convention (C, QuitEvent);
type UserEvent
is record
the_type : Event_Type;
code : Interfaces.C.int;
data1 : void_ptr;
data2 : void_ptr;
end record;
pragma Convention (C, UserEvent);
type SysWMmsg_ptr
is new System.Address;
type SysWMEvent
is record
the_type : Event_Type;
msg : SysWMmsg_ptr;
end record;
pragma Convention (C, SysWMEvent);
type Event_Selection
is (
Is_Event_Type,
Is_ActiveEvent,
Is_KeyboardEvent,
Is_MouseMotionEvent,
Is_MouseButtonEvent,
Is_ResizeEvent,
Is_QuitEvent,
Is_UserEvent,
Is_SysWMEvent
);
type Event
(Event_Selec : Event_Selection := Is_Event_Type)
is record
case Event_Selec is
when Is_Event_Type => the_type : Event_Type;
when Is_ActiveEvent => active : ActiveEvent;
when Is_KeyboardEvent => key : KeyboardEvent;
when Is_MouseMotionEvent => motion : MouseMotionEvent;
when Is_MouseButtonEvent => button : MouseButtonEvent;
when Is_ResizeEvent => resize : ResizeEvent;
when Is_QuitEvent => quit : QuitEvent;
when Is_UserEvent => user : UserEvent;
when Is_SysWMEvent => syswm : SysWMEvent;
end case;
end record;
pragma Convention (C, Event);
pragma Unchecked_Union (Event);
type Event_ptr is access all Event;
pragma Convention (C, Event_ptr);
type Rectange is
record
x, y : Integer_16_Signed;
w, h : Integer_16_Unsigned;
end record;
pragma Convention (C, Rectange);
type Rectange_Access
is access all Rectange;
pragma Convention (C, Rectange_Access);
type Rectange_Access_Access
is access all Rectange_Access;
pragma Convention (C, Rectange_Access_Access);
type Rectanges_Array
is array (Interfaces.C.unsigned range <>)
of aliased Rectange;
type Rectanges_Array_Access
is access all Rectanges_Array;
type Color is
record
r : Integer_8_Unsigned;
g : Integer_8_Unsigned;
b : Integer_8_Unsigned;
unused : Integer_8_Unsigned;
end record;
pragma Convention (C, Color);
type Color_Access
is access all Color;
pragma Convention (C, Color_Access);
Null_Color : Color := (0, 0, 0, 123);
type Colors_Array is
array (Interfaces.C.size_t range <>)
of aliased Color;
package Color_AccessOps
is new Interfaces.C.Pointers
(
Index => Interfaces.C.size_t,
Element => Color,
Element_Array => Colors_Array,
Default_Terminator => Null_Color
);
type Palette
is record
ncolors : Interfaces.C.int;
colors : Color_Access;
end record;
pragma Convention (C, Palette);
type Palette_Access
is access Palette;
pragma Convention (C, Palette_Access);
type PixelFormat
is record
palette : Palette_Access;
BitsPerPixel : Integer_8_Unsigned;
BytesPerPixel : Integer_8_Unsigned;
Rloss : Integer_8_Unsigned;
Gloss : Integer_8_Unsigned;
Bloss : Integer_8_Unsigned;
Aloss : Integer_8_Unsigned;
Rshift : Integer_8_Unsigned;
Gshift : Integer_8_Unsigned;
Bshift : Integer_8_Unsigned;
Ashift : Integer_8_Unsigned;
Rmask : Integer_32_Unsigned;
Gmask : Integer_32_Unsigned;
Bmask : Integer_32_Unsigned;
Amask : Integer_32_Unsigned;
colorkey : Integer_32_Unsigned;
alpha : Integer_8_Unsigned;
end record;
pragma Convention (C, PixelFormat);
type PixelFormat_Access
is access constant PixelFormat;
pragma Convention (C, PixelFormat_Access);
type private_hwdata_Access
is new System.Address;
type BlitMap_Access
is new System.Address;
type Surface
is record
flags : Surface_Flags;
format : PixelFormat_Access;
w, h : Interfaces.C.int;
pitch : Integer_16_Unsigned;
offset : Interfaces.C.int;
hwdata : private_hwdata_Access;
clip_Rectange : Rectange;
unused1 : Integer_32_Unsigned;
locked : Integer_32_Unsigned;
map : BlitMap_Access;
format_version : Interfaces.C.unsigned;
refcount : Interfaces.C.int;
end record;
pragma Convention (C, Surface);
type Surface_Access
is access all Surface;
pragma Convention (C, Surface_Access);
type VideoInfo
is record
hw_available : Bit_1;
wm_available : Bit_1;
UnusedBit_1 : Bit_6;
UnusedBits2 : Bit_1;
blit_hw : Bit_1;
blit_hw_CC : Bit_1;
blit_hw_A : Bit_1;
blit_sw : Bit_1;
blit_sw_CC : Bit_1;
blit_sw_A : Bit_1;
blit_fill : Bit_1;
UnusedBits3 : Bit_16;
video_mem : Integer_32_Unsigned;
vfmt : PixelFormat_Access;
end record;
for VideoInfo
use record
hw_available at 0 range 0 .. 0;
wm_available at 0 range 1 .. 1;
UnusedBit_1 at 0 range 2 .. 7;
UnusedBits2 at 1 range 0 .. 0;
blit_hw at 1 range 1 .. 1;
blit_hw_CC at 1 range 2 .. 2;
blit_hw_A at 1 range 3 .. 3;
blit_sw at 1 range 4 .. 4;
blit_sw_CC at 1 range 5 .. 5;
blit_sw_A at 1 range 6 .. 6;
blit_fill at 1 range 7 .. 7;
UnusedBits3 at 2 range 0 .. 15;
video_mem at 4 range 0 .. 31;
vfmt at 8 range 0 .. 31;
end record;
pragma Convention (C, VideoInfo);
type VideoInfo_Access
is access all VideoInfo;
pragma Convention (C, VideoInfo_Access);
type VideoInfo_ConstPtr
is access constant VideoInfo;
pragma Convention (C, VideoInfo_ConstPtr);
type Chunk
is record
allocated : Interfaces.C.int;
abuf : Integer_8_Unsigned_Access;
alen : Integer_32_Unsigned;
volume : Integer_8_Unsigned; -- Per-sample volume, 0-128
end record;
pragma Convention (C, Chunk);
type Chunk_ptr
is access Chunk;
pragma Convention (C, Chunk_ptr);
null_Chunk_ptr : constant Chunk_ptr := null;
type Attribute_Setting_Handle
is record
Attribute : GLattr;
Value : Short_Integer;
end record;
type Audio_Handle
is record
File_Name : Unbounded_String;
Data : Chunk_ptr;
end record;
type Audio_Handle_Array
is array (1..MAX_SOUNDS)
of Audio_Handle;
type Audio_Initialization_Handle
is record
Frequency : Integer;
Format : Format_Flag;
Channels : Integer;
Data_Size : Integer;
end record;
type Video_Initialization_Handle
is record
Width : Short_Integer;
Height : Short_Integer;
Max_Frame_Rate : Short_Integer;
Bits_Per_Pixel : Short_Integer;
Flag_FullScreen : Boolean;
Flag_Audio : Boolean;
Flag_OpenGL : Boolean;
Flag_Double_Buffer : Boolean;
Title : Unbounded_String;
Icon_File : Unbounded_String;
Surface : Surface_Access;
end record;
DEFAULT_AUDIO_ARRAY :
Audio_Handle_Array :=
(
others =>
(
File_Name => To_Unbounded_String(""),
Data => Null
)
);
DEFAULT_AUDIO_SETTINGS :
Audio_Initialization_Handle :=
(
Frequency => 22050,
Format => AUDIO_S16,
Channels => 2,
Data_Size => 4096
);
DEFAULT_VIDEO_SETTINGS :
Video_Initialization_Handle :=
(
Width => DEFAULT_RESOLUTION_WIDTH,
Height => DEFAULT_RESOLUTION_HEIGHT,
Max_Frame_Rate => DEFAULT_FRAME_RATE,
Bits_Per_Pixel => DEFAULT_BITS_PER_PIXEL,
Flag_FullScreen => FALSE,
Flag_Audio => FALSE,
Flag_OpenGL => TRUE,
Flag_Double_Buffer => TRUE,
Title => To_Unbounded_String("DEFAULT"),
Icon_File => To_Unbounded_String(""),
Surface => Null
);
ATTRIBUTES_OPENGL : array (1..5) of
Attribute_Setting_Handle :=
(
(GL_RED_SIZE ,5),
(GL_GREEN_SIZE ,5),
(GL_BLUE_SIZE ,5),
(GL_DEPTH_SIZE ,32),
(GL_DOUBLEBUFFER,1)
);
procedure Initialize_Audio
(Audio_Array : in out Audio_Handle_Array;
Audio_Prefences : in out Audio_Initialization_Handle);
procedure Finalize_Audio
(Audio_Array : in out Audio_Handle_Array);
procedure Initialize_Video
(Video : in out Video_Initialization_Handle);
procedure Finalize_Video
(Video : in out Video_Initialization_Handle);
procedure PollEventVP
(result : out Interfaces.C.int;
the_event : in out Event);
function OpenAudio
(frequency : Interfaces.C.int;
format : Format_Flag;
channels : Interfaces.C.int;
chunksize : Interfaces.C.int)
return C.int;
pragma Import (C, OpenAudio, "Mix_OpenAudio");
function Load_WAV
(file : String)
return Chunk_ptr;
pragma Inline (Load_WAV);
function Set_Video_Mode
(width : Interfaces.C.int;
height : Interfaces.C.int;
bpp : Interfaces.C.int;
flags : Surface_Flags)
return Surface_Access;
function Get_Video_Info
return VideoInfo_ConstPtr;
procedure Quit_Framework;
function Get_Error
return String;
pragma Inline (Get_Error);
procedure Set_Video_Caption
(title : in String;
icon : in String);
pragma Inline (Set_Video_Caption);
function Get_Ticks
return Integer_32_Unsigned;
function GL_LoadLibrary
(path : Interfaces.C.Strings.chars_ptr)
return Interfaces.C.int;
procedure GL_GetProcAddress
(proc : Interfaces.C.Strings.chars_ptr);
function GL_SetAttribute
(attr : GLattr;
value : Interfaces.C.int)
return Interfaces.C.int;
procedure GL_SetAttribute
(attr : GLattr;
value : Interfaces.C.int);
pragma Import (C, GL_SetAttribute, "SDL_GL_SetAttribute");
function GL_GetAttribute
(attr : GLattr;
value : access Interfaces.C.int)
return Interfaces.C.int;
procedure GL_GetAttribute
(attr : GLattr;
value : access Interfaces.C.int);
procedure GL_GetAttribute
(attr : GLattr;
value : out Interfaces.C.int);
procedure GL_SwapBuffers;
procedure GL_UpdateRectanges
(numRectanges : Interfaces.C.int;
Rectanges : Rectange_Access);
procedure GL_Lock;
procedure GL_Unlock;
procedure FreeChunk (chunk : Chunk_ptr);
procedure CloseAudio;
function Initialize_Framework (flags : Initialization_Flag) return Interfaces.C.int;
private
pragma Import (C, Initialize_Framework, "SDL_Init");
pragma Import (C, CloseAudio, "Mix_CloseAudio");
pragma Import (C, FreeChunk, "Mix_FreeChunk");
pragma Import (C, Get_Ticks, "SDL_GetTicks");
pragma Import (C, PollEventVP, "SDL_PollEvent");
pragma Import_Valued_Procedure (PollEventVP);
pragma Import (C, Set_Video_Mode, "SDL_SetVideoMode");
pragma Import (C, GL_GetProcAddress, "SDL_GL_GetProcAddress");
pragma Import (C, Get_Video_Info, "SDL_GetVideoInfo");
pragma Import (C, GL_LoadLibrary, "SDL_GL_LoadLibrary");
pragma Import (C, GL_GetAttribute, "SDL_GL_GetAttribute");
pragma Import (C, GL_SwapBuffers, "SDL_GL_SwapBuffers");
pragma Import (C, GL_UpdateRectanges, "SDL_UpdateRectanges");
pragma Import (C, GL_Lock, "SDL_GL_Lock");
pragma Import (C, GL_Unlock, "SDL_GL_Unlock");
pragma Import (C, Quit_Framework, "SDL_Quit");
end Game_Framework;