Paranoia2/pm_shared/clipfile.h

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2020-08-31 18:50:41 +02:00
/*
clipfile.h - studio cached clip geometry
Copyright (C) 2019 Uncle Mike
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#ifndef CLIPFILE_H
#define CLIPFILE_H
/*
==============================================================================
CLIP FILES
.clip contain static geometry clip
==============================================================================
*/
#define IDCLIPHEADER (('P'<<24)+('I'<<16)+('L'<<8)+'C') // little-endian "CLIP"
#define CLIP_VERSION 1
// quake lump ordering
#define LUMP_CLIP_FACETS 0
#define LUMP_CLIP_PLANES 1
#define LUMP_CLIP_PLANE_INDEXES 2
// for future expansions
#define LUMP_COUNT 8
typedef struct
{
int fileofs;
int filelen;
} dcachelump_t;
typedef struct
{
int id; // must be little endian STCH
int version;
unsigned int modelCRC; // catch for model changes
dcachelump_t lumps[LUMP_COUNT];
} dcachehdr_t;
typedef struct
{
short skinref; // pointer to texture for special effects
mvert_t triangle[3]; // store triangle points
vec3_t mins, maxs; // an individual size of each facet
vec3_t edge1, edge2; // new trace stuff
byte numplanes; // because numplanes for each facet can't exceeds MAX_FACET_PLANES!
uint firstindex; // first index into CLIP_PLANE_INDEXES lump
} dfacet_t;
#endif//CLIPFILE_H