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