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/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001/2002 The ScummVM project 
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program 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 General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Header$
 *
 */



#if !defined(__GNUC__)

	#pragma START_PACK_STRUCTS

#endif	


struct AkosHeader {
	byte x_1[2];
	byte flags;
	byte x_2;
	uint16 num_anims;
	uint16 x_3;
	uint16 codec;
} GCC_PACK;

struct AkosOffset {
	uint32 akcd;
	uint16 akci;
} GCC_PACK;

struct AkosCI {
	uint16 width,height;
	int16 rel_x, rel_y;
	int16 move_x, move_y;
} GCC_PACK;

struct AkosRenderer {
	CostumeData *cd;
	int x,y; /* where to draw costume */
	byte scale_x, scale_y; /* scaling */
	byte clipping; /* clip mask */
	bool charsetmask;
	byte shadow_mode;
	uint16 codec;
	bool mirror; /* draw actor mirrored */
	byte dirty_id;
	byte *outptr;
	uint outwidth, outheight;
	
	/* pointer to various parts of the costume resource */
	byte *akos;
	AkosHeader *akhd;
	
	/* current move offset */
	int move_x, move_y;
	/* movement of cel to decode */
	int move_x_cur, move_y_cur;
	/* width and height of cel to decode */
	int width,height;
	
	byte *srcptr;
	byte *shadow_table;

	struct {
		/* codec stuff */
		const byte *scaletable;
		byte mask,shl;
		bool doContinue;
		byte repcolor;
		byte replen;
		int scaleXstep;
		int x,y;
		int tmp_x, tmp_y;
		int y_pitch;
		int skip_width;
		byte *destptr;
		byte *mask_ptr;
		int imgbufoffs;
	} v1;

	/* put less used stuff at the bottom to optimize opcodes */
	int draw_top, draw_bottom;
	byte *akpl,*akci,*aksq;
	AkosOffset *akof;
	byte *akcd;

	byte palette[256];

};

enum AkosOpcodes{
	AKC_Return  = 0xC001,
	AKC_SetVar  = 0xC010,
	AKC_CmdQue3  = 0xC015,
	AKC_ComplexChan  = 0xC020,
	AKC_Jump  = 0xC030,
	AKC_JumpIfSet  = 0xC031,
	AKC_AddVar  = 0xC040,
	AKC_Ignore  = 0xC050,
	AKC_IncVar  = 0xC060,
	AKC_CmdQue3Quick  = 0xC061,
	AKC_SkipStart = 0xC070,
	AKC_SkipE  = 0xC070,
	AKC_SkipNE  = 0xC071,
	AKC_SkipL  = 0xC072,
	AKC_SkipLE  = 0xC073,
	AKC_SkipG  = 0xC074,
	AKC_SkipGE  = 0xC075,
	AKC_StartAnim  = 0xC080,
	AKC_StartVarAnim  = 0xC081,
	AKC_Random  = 0xC082,
	AKC_SetActorClip  = 0xC083,
	AKC_StartAnimInActor  = 0xC084,
	AKC_SetVarInActor  = 0xC085,
	AKC_HideActor  = 0xC086,
	AKC_SetDrawOffs  = 0xC087,
	AKC_JumpTable  = 0xC088,
	AKC_SoundStuff  = 0xC089,
	AKC_Flip  = 0xC08A,
	AKC_Cmd3  = 0xC08B,
	AKC_Ignore3  = 0xC08C,
	AKC_Ignore2  = 0xC08D,
	AKC_JumpStart = 0xC090,
	AKC_JumpE  = 0xC090,
	AKC_JumpNE  = 0xC091,
	AKC_JumpL  = 0xC092,
	AKC_JumpLE  = 0xC093,
	AKC_JumpG  = 0xC094,
	AKC_JumpGE  = 0xC095,
	AKC_ClearFlag  = 0xC09F
};