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xash3d-fwgs/engine/sprite.h

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/***
*
* Copyright (c) 1996-2002, Valve LLC. All rights reserved.
*
* This product contains software technology licensed from Id
* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
* All Rights Reserved.
*
* Use, distribution, and modification of this source code and/or resulting
* object code is restricted to non-commercial enhancements to products from
* Valve LLC. All other use, distribution, or modification is prohibited
* without written permission from Valve LLC.
*
****/
#ifndef SPRITE_H
#define SPRITE_H
/*
==============================================================================
SPRITE MODELS
.spr extended version (Half-Life compatible sprites with some Xash3D extensions)
==============================================================================
*/
#define IDSPRITEHEADER (('P'<<24)+('S'<<16)+('D'<<8)+'I') // little-endian "IDSP"
#define SPRITE_VERSION_Q1 1 // Quake sprites
#define SPRITE_VERSION_HL 2 // Half-Life sprites
#define SPRITE_VERSION_32 32 // Captain Obvious mode on
// must match definition in alias.h
#ifndef SYNCTYPE_T
#define SYNCTYPE_T
typedef enum
{
ST_SYNC = 0,
ST_RAND
} synctype_t;
#endif
typedef enum
{
FRAME_SINGLE = 0,
FRAME_GROUP,
FRAME_ANGLED // Xash3D ext
} frametype_t;
typedef enum
{
SPR_NORMAL = 0,
SPR_ADDITIVE,
SPR_INDEXALPHA,
SPR_ALPHTEST,
} drawtype_t;
typedef enum
{
SPR_FWD_PARALLEL_UPRIGHT = 0,
SPR_FACING_UPRIGHT,
SPR_FWD_PARALLEL,
SPR_ORIENTED,
SPR_FWD_PARALLEL_ORIENTED,
} angletype_t;
typedef enum
{
SPR_CULL_FRONT = 0, // oriented sprite will be draw with one face
SPR_CULL_NONE, // oriented sprite will be draw back face too
} facetype_t;
// generic helper
typedef struct
{
int ident; // LittleLong 'ISPR'
int version; // current version 2
} dsprite_t;
typedef struct
{
int ident; // LittleLong 'ISPR'
int version; // current version 2
int type; // camera align
float boundingradius; // quick face culling
int bounds[2]; // mins\maxs
int numframes; // including groups
float beamlength; // ???
synctype_t synctype; // animation synctype
} dsprite_q1_t;
typedef struct
{
int ident; // LittleLong 'ISPR'
int version; // current version 2
angletype_t type; // camera align
drawtype_t texFormat; // rendering mode
int boundingradius; // quick face culling
int bounds[2]; // mins\maxs
int numframes; // including groups
facetype_t facetype; // cullface (Xash3D ext)
synctype_t synctype; // animation synctype
} dsprite_hl_t;
typedef struct
{
int origin[2];
int width;
int height;
} dspriteframe_t;
typedef struct
{
int numframes;
} dspritegroup_t;
typedef struct
{
float interval;
} dspriteinterval_t;
typedef struct
{
frametype_t type;
} dframetype_t;
#endif//SPRITE_H