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/*
* Fenix - Videogame compiler/interpreter
* Current release : FENIX - PROJECT 1.0 - R 0.84
* Last stable release :
* Project documentation : http://fenix.divsite.net
*
*
* 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
*
* Copyright 1999 Jos Luis Cebrin Page
* Copyright 2002 Fenix Team
*
*/
/*
* FILE : fbm.h
* DESCRIPTION : Fenix Bitmap headers and documentation
*
* HISTORY: 0.85 - first version
*/
#ifndef __FBM_H
#define __FBM_H
#define FBM_VERSION 0x0100
#define FBM_VALID_DEPTH(a) ((a) == 8 || (a) == 16 || (a) == 24 || (a) == 1)
#define FBM_MAX_WIDTH 8192
#define FBM_MAX_HEIGHT 8192
// FBM files don't use any compression whatsoever, but they
// natively support .gz expansion
typedef struct
{
char magic[16]; // "FenixBitmap \x1A\x0D\x0A" + '\x00'
Uint32 version; // Version code ((major << 16) | minor)
Uint32 depth; // 1, 8, 16 or 24
}
FBM_FILE_HEADER;
typedef struct
{
Uint8 name[64]; // ASCIIZ name of the graphic
Uint32 width; // Width in pixels
Uint32 height; // Height in pixels
Uint32 flags; // See enum FBM_FLAGS
Uint32 code; // Graphics code (for library index)
Uint32 max_frame; // Number of different frames, less 1 (0 if only 1 frame)
Uint32 max_sequence; // Number of sequences, less 1
Uint32 max_keyframe; // Number of keyframes, less 1
Uint32 max_point; // Maximum index of all the control points
Uint32 points; // Number of control points present in file
}
FBM_HEADER;
# define FBM_MAGIC "FenixBitmap \x1A\x0D\x0A"
// Sequence information follows, as many as the "max_frame" values + 1
// [44 bytes for each sequence] : see FBM_SEQUENCE
typedef struct
{
Uint8 name[32]; // Name of the animation sequence, i.e. "Walking"
Uint32 first_keyframe; // First keyframe in sequence
Uint32 last_keyframe; // Last keyframe in sequence
Sint32 next_sequence; // Next sequence to play after this one ends
}
FBM_SEQUENCE;
// Keyframe information follows, as many as the "max_keyframe" value + 1
// [12 bytes for each keyframe] : see FBM_KEYFRAME
typedef struct
{
Uint32 frame; // Number of frame to show
Uint32 angle; // Frame to add to the one used by the process
Uint32 flags; // Flags to XOR to the ones used by the process
Uint32 pause; // Pause for the next frame, in ms
}
FBM_KEYFRAME;
// Control point information follows, as many as the "points" value
// (undefined control points are not present in the file at all)
// [12 bytes for each control point] : see FBM_CONTROL_POINT
typedef struct
{
Uint32 index; // 0 for center, >= 1 otherwise
Sint32 x; // Does not need to be inside
Sint32 y; // Does not need to be inside
}
FBM_CONTROL_POINT;
// Palette information follows, but only if the graphic has a 8 bit depth
// There are 256 RGB triplets with a range of 0-255 for each color
// [768 bytes of optional information]
// Graphic data follows, uncompressed and with left->right, top->bottom order
// Each frame counts as an additional graphic of the same size
// Graphics with depth = 24 are stored as RGB888 with Intel order
// Graphics with depth = 16 are stored as RGB565 with Intel order
// Graphics with depth = 1 are padded to the byte boundary each row
enum FBM_FLAGS
{
FBM_NOCOLORKEY = 1, // No color equals exactly 0
};
#endif
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