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(*
$Id$
------------------------------------------------------------------------------
Header file for libgba sprite definitions
Copyright 2003-2006 by Dave Murphy.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
Please report all bugs and problems through the bug tracker at
"http://sourceforge.net/tracker/?group_id=114505&atid=668551".
------------------------------------------------------------------------------
Conversion by Legolas (http://itaprogaming.free.fr) for freepascal compiler
(http://www.freepascal.org)
Copyright (C) 2006 Francesco Lombardi
Check http://sourceforge.net/projects/libndsfpc for updates
------------------------------------------------------------------------------
$Log$
*)
{$ifdef GBA_INTERFACE}
type
OBJATTR = record
attr0: u16;
attr1: u16;
attr2: u16;
dummy: u16;
end;
POBJATTR = ^OBJATTR;
SpriteEntry = record
attribute: array [0..2] of u16;
dummy: u16;
end;
PSpriteEntry = ^SpriteEntry;
OBJAFFINE = record
dummy0: array [0..2] of u16;
pa: s16;
dummy1: array [0..2] of u16;
pb: s16;
dummy2: array [0..2] of u16;
pc: s16;
dummy3: array [0..2] of u16;
pd: s16;
end;
POBJAFFINE = ^OBJAFFINE;
const
OAM : POBJATTR = pointer($07000000);
OBJ_BASE_ADR = pointer(VRAM + $10000);
SPRITE_GFX : pu16 = pointer(VRAM + $10000);
BITMAP_OBJ_BASE_ADR = pointer(VRAM + $14000);
type
SPRITE_SHAPES = integer;
const
SQUARE: SPRITE_SHAPES = 0;
WIDE: SPRITE_SHAPES = 1;
TALL: SPRITE_SHAPES = 2;
function OBJ_SHAPE(m: integer): integer; inline;
// Sprite Attribute 0
function OBJ_Y(m: integer): integer; inline;
const
OBJ_ROT_SCALE_ON = (1 shl 8);
OBJ_DISABLE = (1 shl 9);
OBJ_DOUBLE = (1 shl 9);
function OBJ_MODE(m: integer): integer; inline;
const
OBJ_MOSAIC = (1 shl 12);
OBJ_256_COLOR = (1 shl 13);
OBJ_16_COLOR = (0 shl 13);
ATTR0_MOSAIC = (1 shl 12);
ATTR0_COLOR_256 = (1 shl 13);
ATTR0_COLOR_16 = (0 shl 13);
ATTR0_NORMAL = (0 shl 8);
ATTR0_ROTSCALE = (1 shl 8);
ATTR0_DISABLED = (2 shl 8);
ATTR0_ROTSCALE_DOUBLE = (3 shl 8);
{$define ATTR0_SQUARE := OBJ_SHAPE(SQUARE)}
{$define ATTR0_WIDE := OBJ_SHAPE(WIDE)}
{$define ATTR0_TALL := OBJ_SHAPE(TALL)}
// Sprite Attribute 1
function OBJ_X(m: integer): integer; inline;
function OBJ_ROT_SCALE(m: integer): integer; inline;
const
OBJ_HFLIP = (1 shl 12);
OBJ_VFLIP = (1 shl 13);
function ATTR1_ROTDATA(n: integer): integer; inline;
const
ATTR1_FLIP_X = (1 shl 12);
ATTR1_FLIP_Y = (1 shl 13);
ATTR1_SIZE_8 = (0 shl 14);
ATTR1_SIZE_16 = (1 shl 14);
ATTR1_SIZE_32 = (2 shl 14);
ATTR1_SIZE_64 = (3 shl 14);
function OBJ_SIZE(m: integer): integer; inline;
// Sprite Attribute 2
function OBJ_CHAR(m: integer): integer; inline;
function OBJ_PRIORITY(m: integer): integer; inline;
function OBJ_PALETTE(m: integer): integer; inline;
function ATTR2_PRIORITY(n: integer): integer; inline;
function ATTR2_PALETTE(n: integer): integer; inline;
{$define OBJ_TRANSLUCENT := OBJ_MODE(1)}
{$define OBJ_OBJWINDOW := OBJ_MODE(2)}
{$define OBJ_SQUARE := OBJ_SHAPE(0)}
{$define OBJ_WIDE := OBJ_SHAPE(1)}
{$define OBJ_TALL := OBJ_SHAPE(2)}
//---------------------------------------------------------------------------------
type
SPRITE_SIZECODE = integer;
const
Sprite_8x8 : SPRITE_SIZECODE = 0;
Sprite_16x16: SPRITE_SIZECODE = 1;
Sprite_32x32: SPRITE_SIZECODE = 2;
Sprite_64x64: SPRITE_SIZECODE = 3;
Sprite_16x8 : SPRITE_SIZECODE = 4;
Sprite_32x8 : SPRITE_SIZECODE = 5;
Sprite_32x16: SPRITE_SIZECODE = 6;
Sprite_64x32: SPRITE_SIZECODE = 7;
Sprite_8x16 : SPRITE_SIZECODE = 8;
Sprite_8x32 : SPRITE_SIZECODE = 9;
Sprite_16x32: SPRITE_SIZECODE = 10;
Sprite_32x64: SPRITE_SIZECODE = 11;
{$endif GBA_INTERFACE}
{$ifdef GBA_IMPLEMENTATION}
function OBJ_SHAPE(m: integer): integer; inline;
begin
OBJ_SHAPE := ((m) shl 14);
end;
// Sprite Attribute 0
function OBJ_Y(m: integer): integer; inline;
begin
OBJ_Y := ((m) and $00ff);
end;
function OBJ_MODE(m: integer): integer; inline;
begin
OBJ_MODE := ((m) shl 10);
end;
// Sprite Attribute 1
function OBJ_X(m: integer): integer; inline;
begin
OBJ_X := ((m) and $01ff);
end;
function OBJ_ROT_SCALE(m: integer): integer; inline;
begin
OBJ_ROT_SCALE := ((m) shl 9);
end;
function ATTR1_ROTDATA(n: integer): integer; inline;
begin
ATTR1_ROTDATA := ((n) shl 9); // note: overlaps with flip flags
end;
function OBJ_SIZE(m: integer): integer; inline;
begin
OBJ_SIZE := ((m) shl 14);
end;
// Sprite Attribute 2
function OBJ_CHAR(m: integer): integer; inline;
begin
OBJ_CHAR := ((m) and $03ff);
end;
function OBJ_PRIORITY(m: integer): integer; inline;
begin
OBJ_PRIORITY := ((m) shl 10);
end;
function OBJ_PALETTE(m: integer): integer; inline;
begin
OBJ_PALETTE := ((m) shl 12);
end;
function ATTR2_PRIORITY(n: integer): integer; inline;
begin
ATTR2_PRIORITY := ((n) shl 10);
end;
function ATTR2_PALETTE(n: integer): integer; inline;
begin
ATTR2_PALETTE := ((n) shl 12);
end;
{$endif GBA_IMPLEMENTATION}
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