151 lines
3.7 KiB
C
151 lines
3.7 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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//
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// spritegn.h: header file for sprite generation program
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//
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// **********************************************************
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// * This file must be identical in the spritegen directory *
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// * and in the Quake directory, because it's used to *
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// * pass data from one to the other via .spr files. *
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// **********************************************************
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//-------------------------------------------------------
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// This program generates .spr sprite package files.
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// The format of the files is as follows:
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//
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// dsprite_t file header structure
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// <repeat dsprite_t.numframes times>
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// <if spritegroup, repeat dspritegroup_t.numframes times>
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// dspriteframe_t frame header structure
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// sprite bitmap
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// <else (single sprite frame)>
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// dspriteframe_t frame header structure
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// sprite bitmap
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// <endrepeat>
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//-------------------------------------------------------
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#ifdef INCLUDELIBS
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#include <stdlib.h>
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#include <stdio.h>
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#include <math.h>
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#include <string.h>
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#include "cmdlib.h"
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#include "scriplib.h"
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#include "dictlib.h"
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#include "trilib.h"
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#include "lbmlib.h"
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#include "mathlib.h"
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#endif
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#define SPRITE_VERSION 1
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#define SPRITEHL_VERSION 2
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#define SPRITE32_VERSION 32
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// must match definition in modelgen.h
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#ifndef SYNCTYPE_T
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#define SYNCTYPE_T
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typedef enum {ST_SYNC=0, ST_RAND } synctype_t;
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#endif
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// TODO: shorten these?
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typedef struct {
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int ident;
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int version;
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int type;
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//int rendermode; //present only in halflife sprites.
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float boundingradius;
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int width;
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int height;
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int numframes;
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float beamlength;
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synctype_t synctype;
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} dsprite_t;
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#define SPR_VP_PARALLEL_UPRIGHT 0 //xy faces view. z is always up.
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#define SPR_FACING_UPRIGHT 1 //xy faces view. z is always up.
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#define SPR_VP_PARALLEL 2 //faces camera (traditional sprite)
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#define SPR_ORIENTED 3 //uses axis
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#define SPR_VP_PARALLEL_ORIENTED 4 //faces camera *then* rotated
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#define SPRDP_LABEL 5
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#define SPRDP_LABEL_SCALE 6
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#define SPRDP_OVERHEAD 7
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#define SPR_ORIENTED_BACKFACE 8 //SPR_ORIENTED except facing along its normal...
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#define SPRHL_OPAQUE 0
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#define SPRHL_ADDITIVE 1
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#define SPRHL_INDEXALPHA 2
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#define SPRHL_ALPHATEST 3
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typedef struct {
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int origin[2];
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int width;
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int height;
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} dspriteframe_t;
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typedef struct {
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int numframes;
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} dspritegroup_t;
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typedef struct {
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float interval;
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} dspriteinterval_t;
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typedef enum { SPR_SINGLE=0, SPR_GROUP, SPR_ANGLED } spriteframetype_t;
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typedef struct {
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spriteframetype_t type;
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} dspriteframetype_t;
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#define IDSPRITEHEADER (('P'<<24)+('S'<<16)+('D'<<8)+'I')
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// little-endian "IDSP"
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#define MAX_SKINNAME 64
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#define IDSPRITE2HEADER (('2'<<24)+('S'<<16)+('D'<<8)+'I')
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// little-endian "IDS2"
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#define SPRITE2_VERSION 2
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typedef struct
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{
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int width, height;
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int origin_x, origin_y; // raster coordinates inside pic
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char name[MAX_SKINNAME]; // name of pcx file
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} dmd2sprframe_t;
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typedef struct {
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int ident;
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int version;
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int numframes;
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dmd2sprframe_t frames[1]; // variable sized
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} dmd2sprite_t;
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