mirror of https://github.com/ZDoom/raze-gles.git
149 lines
5.6 KiB
C
149 lines
5.6 KiB
C
//-------------------------------------------------------------------------
|
|
/*
|
|
Copyright (C) 1996, 2003 - 3D Realms Entertainment
|
|
|
|
This file is part of Duke Nukem 3D version 1.5 - Atomic Edition
|
|
|
|
Duke Nukem 3D 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.
|
|
|
|
Original Source: 1996 - Todd Replogle
|
|
Prepared for public release: 03/21/2003 - Charlie Wiederhold, 3D Realms
|
|
Modifications for JonoF's port by Jonathon Fowler (jf@jonof.id.au)
|
|
*/
|
|
//-------------------------------------------------------------------------
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// ANIMLIB.H
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#pragma once
|
|
|
|
#ifndef animlib_public_h_
|
|
#define animlib_public_h_
|
|
|
|
# pragma pack(push,1)
|
|
|
|
/* structure declarations for deluxe animate large page files, doesn't
|
|
need to be in the header because there are no exposed functions
|
|
that use any of this directly */
|
|
|
|
typedef struct lpfileheaderstruct
|
|
{
|
|
uint32_t id; /* 4 uint8_tacter ID == "LPF " */
|
|
uint16_t maxLps; /* max # largePages allowed. 256 FOR NOW. */
|
|
uint16_t nLps; /* # largePages in this file. */
|
|
uint32_t nRecords; /* # records in this file. 65534 is current limit + ring */
|
|
uint16_t maxRecsPerLp; /* # records permitted in an lp. 256 FOR NOW. */
|
|
uint16_t lpfTableOffset; /* Absolute Seek position of lpfTable. 1280 FOR NOW. */
|
|
uint32_t contentType; /* 4 character ID == "ANIM" */
|
|
uint16_t width; /* Width of screen in pixels. */
|
|
uint16_t height; /* Height of screen in pixels. */
|
|
uint8_t variant; /* 0==ANIM. */
|
|
uint8_t version; /* 0==frame rate in 18/sec, 1= 70/sec */
|
|
uint8_t hasLastDelta; /* 1==Last record is a delta from last-to-first frame. */
|
|
uint8_t lastDeltaValid; /* 0==Ignore ring frame. */
|
|
uint8_t pixelType; /* 0==256 color. */
|
|
uint8_t CompressionType; /* 1==(RunSkipDump) Only one used FOR NOW. */
|
|
uint8_t otherRecsPerFrm; /* 0 FOR NOW. */
|
|
uint8_t bitmaptype; /* 1==320x200, 256-color. Only one implemented so far. */
|
|
uint8_t recordTypes[32]; /* Not yet implemented. */
|
|
uint32_t nFrames; /* Number of actual frames in the file, includes ring frame. */
|
|
uint16_t framesPerSecond; /* Number of frames to play per second. */
|
|
uint16_t pad2[29]; /* 58 bytes of filler to round up to 128 bytes total. */
|
|
}
|
|
lpfileheader; /* (comments from original source) */
|
|
|
|
// this is the format of a large page structure
|
|
typedef struct
|
|
{
|
|
uint16_t baseRecord; // Number of first record in this large page.
|
|
uint16_t nRecords; // Number of records in lp.
|
|
// bit 15 of "nRecords" == "has continuation from previous lp".
|
|
// bit 14 of "nRecords" == "final record continues on next lp".
|
|
uint16_t nBytes; // Total number of bytes of contents, excluding header.
|
|
} lp_descriptor;
|
|
|
|
#pragma pack(pop)
|
|
|
|
#define IMAGEBUFFERSIZE 0x10000
|
|
|
|
typedef struct
|
|
{
|
|
uint16_t framecount; // current frame of anim
|
|
lpfileheader * lpheader; // file header will be loaded into this structure
|
|
lp_descriptor * LpArray; // arrays of large page structs used to find frames
|
|
uint16_t curlpnum; // initialize to an invalid Large page number
|
|
lp_descriptor * curlp; // header of large page currently in memory
|
|
uint16_t * thepage; // buffer where current large page is loaded
|
|
uint8_t imagebuffer[IMAGEBUFFERSIZE]; // buffer where anim frame is decoded
|
|
uint8_t * buffer;
|
|
uint8_t pal[768];
|
|
int32_t currentframe;
|
|
} anim_t;
|
|
|
|
//****************************************************************************
|
|
//
|
|
// ANIM_LoadAnim ()
|
|
//
|
|
// Setup internal anim data structure
|
|
//
|
|
//****************************************************************************
|
|
|
|
int32_t ANIM_LoadAnim(uint8_t *buffer, int32_t length);
|
|
|
|
//****************************************************************************
|
|
//
|
|
// ANIM_FreeAnim ()
|
|
//
|
|
// Free up internal anim data structure
|
|
//
|
|
//****************************************************************************
|
|
|
|
void ANIM_FreeAnim(void);
|
|
|
|
//****************************************************************************
|
|
//
|
|
// ANIM_NumFrames ()
|
|
//
|
|
// returns the number of frames in the current anim
|
|
//
|
|
//****************************************************************************
|
|
|
|
int32_t ANIM_NumFrames(void);
|
|
|
|
//****************************************************************************
|
|
//
|
|
// ANIM_DrawFrame ()
|
|
//
|
|
// Draw the frame to a returned buffer
|
|
//
|
|
//****************************************************************************
|
|
|
|
uint8_t * ANIM_DrawFrame(int32_t framenumber);
|
|
|
|
//****************************************************************************
|
|
//
|
|
// ANIM_GetPalette ()
|
|
//
|
|
// return the palette of the anim
|
|
//****************************************************************************
|
|
|
|
uint8_t * ANIM_GetPalette(void);
|
|
|
|
#endif
|