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xash3d-fwgs/engine/sprite.h

137 lines
3.3 KiB
C

/***
*
* 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
#include "build.h"
#include STDINT_H
#include "synctype.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
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
{
int32_t ident; // LittleLong 'ISPR'
int32_t version; // current version 2
} dsprite_t;
STATIC_ASSERT( sizeof( dsprite_t ) == 8, "invalid dsprite_t size" );
typedef struct
{
int32_t ident; // LittleLong 'ISPR'
int32_t version; // current version 2
int32_t type; // camera align
float boundingradius; // quick face culling
int32_t bounds[2]; // mins\maxs
int32_t numframes; // including groups
float beamlength; // ???
uint32_t synctype; // animation synctype, was synctype_t
} dsprite_q1_t;
STATIC_ASSERT( sizeof( dsprite_q1_t ) == 36, "invalid dsprite_q1_t size" );
typedef struct
{
int32_t ident; // LittleLong 'ISPR'
int32_t version; // current version 2
uint32_t type; // camera align, was angletype_t
uint32_t texFormat; // rendering mode, was drawtype_t
int32_t boundingradius; // quick face culling
int32_t bounds[2]; // mins\maxs
int32_t numframes; // including groups
uint32_t facetype; // cullface (Xash3D ext), was facetype_t
uint32_t synctype; // animation synctype, was synctype_t
} dsprite_hl_t;
STATIC_ASSERT( sizeof( dsprite_hl_t ) == 40, "invalid dsprite_hl_t size" );
typedef struct
{
int32_t origin[2];
int32_t width;
int32_t height;
} dspriteframe_t;
STATIC_ASSERT( sizeof( dspriteframe_t ) == 16, "invalid dspriteframe_t size" );
typedef struct
{
int32_t numframes;
} dspritegroup_t;
STATIC_ASSERT( sizeof( dspritegroup_t ) == 4, "invalid dspritegroup_t size" );
typedef struct
{
float interval;
} dspriteinterval_t;
STATIC_ASSERT( sizeof( dspriteinterval_t ) == 4, "invalid dspriteinterval_t size" );
typedef struct
{
uint32_t type; // was frametype_t
} dframetype_t;
STATIC_ASSERT( sizeof( dframetype_t ) == 4, "invalid dframetype_t size" );
#endif//SPRITE_H