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vga.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-0-0rc1/engines/agos/vga.h $
 * $Id: vga.h 36232 2009-02-07 03:36:36Z Kirben $
 *
 */

#ifndef AGOS_VGA_H
#define AGOS_VGA_H

namespace AGOS {

#include "common/pack-start.h"      // START STRUCT PACKING

// Feeble Files
struct VgaFile1Header_Feeble {
      uint16 imageCount;
      uint16 x_2;
      uint16 animationCount;
      uint16 x_3;
      uint16 imageTable;
      uint16 x_4;
      uint16 animationTable;
      uint16 x_5;
} PACKED_STRUCT;

struct ImageHeader_Feeble {
      uint16 id;
      uint16 x_1;
      uint16 scriptOffs;
      uint16 x_2;
} PACKED_STRUCT;

struct AnimationHeader_Feeble {
      uint16 scriptOffs;
      uint16 x_2;
      uint16 id;
} PACKED_STRUCT;

// Simon 1/2
struct ImageHeader_Simon {
      uint16 id;
      uint16 color;
      uint16 x_2;
      uint16 scriptOffs;
} PACKED_STRUCT;

struct AnimationHeader_Simon {
      uint16 id;
      uint16 x_2;
      uint16 scriptOffs;
} PACKED_STRUCT;


// Elvira 1/2 and Waxworks
struct ImageHeader_WW {
      uint16 id;
      uint16 color;
      uint16 x_2;
      uint16 scriptOffs;
} PACKED_STRUCT;

struct AnimationHeader_WW {
      uint16 id;
      uint16 x_1;
      uint16 x_2;
      uint16 scriptOffs;
} PACKED_STRUCT;

// Common
struct VgaFile1Header_Common {
      uint16 x_1;
      uint16 imageCount;
      uint16 x_2;
      uint16 animationCount;
      uint16 x_3;
      uint16 imageTable;
      uint16 x_4;
      uint16 animationTable;
      uint16 x_5;
} PACKED_STRUCT;

#include "common/pack-end.h"  // END STRUCT PACKING

enum DrawFlags {
      kDFFlip           = 0x1,
      kDFNonTrans       = 0x2,
      kDFSkipStoreBG    = 0x4,
      kDFCompressed     = 0x8,
      kDFCompressedFlip = 0x10,
      kDFMasked         = 0x20,

      // Feeble specific
      kDFOverlayed      = 0x10,
      kDFScaled         = 0x40,
      kDFShaded         = 0x80
};

struct VC10_state {
      int16 image;
      uint16 flags;
      byte palette;
      byte paletteMod;

      int16 x, y;
      uint16 width, height;
      uint16 draw_width, draw_height;
      uint16 x_skip, y_skip;

      byte *surf2_addr;
      uint surf2_pitch;

      byte *surf_addr;
      uint surf_pitch;

      uint16 dl, dh;

      const byte *srcPtr;
      int8 depack_cont;

      byte depack_dest[480];

      VC10_state() { memset(this, 0, sizeof(*this)); }
};

byte *vc10_depackColumn(VC10_state *vs);

} // End of namespace AGOS

#endif

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