The source release of the qutils.

qutils/SPRGEN/SPRITEGN.H

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+//
+// spritegn.h: header file for sprite generation program
+//
+
+// **********************************************************
+// * This file must be identical in the spritegen directory *
+// * and in the Quake directory, because it's used to       *
+// * pass data from one to the other via .spr files.        *
+// **********************************************************
+
+//-------------------------------------------------------
+// This program generates .spr sprite package files.
+// The format of the files is as follows:
+//
+// dsprite_t file header structure
+// <repeat dsprite_t.numframes times>
+//   <if spritegroup, repeat dspritegroup_t.numframes times>
+//     dspriteframe_t frame header structure
+//     sprite bitmap
+//   <else (single sprite frame)>
+//     dspriteframe_t frame header structure
+//     sprite bitmap
+// <endrepeat>
+//-------------------------------------------------------
+
+#ifdef INCLUDELIBS
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+
+#include "cmdlib.h"
+#include "scriplib.h"
+#include "lbmlib.h"
+
+#endif
+
+#define SPRITE_VERSION	1
+
+// must match definition in modelgen.h
+#ifndef SYNCTYPE_T
+#define SYNCTYPE_T
+typedef enum {ST_SYNC=0, ST_RAND } synctype_t;
+#endif
+
+// TODO: shorten these?
+typedef struct {
+	int			ident;
+	int			version;
+	int			type;
+	float		boundingradius;
+	int			width;
+	int			height;
+	int			numframes;
+	float		beamlength;
+	synctype_t	synctype;
+} dsprite_t;
+
+#define SPR_VP_PARALLEL_UPRIGHT		0
+#define SPR_FACING_UPRIGHT			1
+#define SPR_VP_PARALLEL				2
+#define SPR_ORIENTED				3
+#define SPR_VP_PARALLEL_ORIENTED	4
+
+typedef struct {
+	int			origin[2];
+	int			width;
+	int			height;
+} dspriteframe_t;
+
+typedef struct {
+	int			numframes;
+} dspritegroup_t;
+
+typedef struct {
+	float	interval;
+} dspriteinterval_t;
+
+typedef enum { SPR_SINGLE=0, SPR_GROUP } spriteframetype_t;
+
+typedef struct {
+	spriteframetype_t	type;
+} dspriteframetype_t;
+
+#define IDSPRITEHEADER	(('P'<<24)+('S'<<16)+('D'<<8)+'I')
+														// little-endian "IDSP"
+