mirror of
https://github.com/blendogames/thirtyflightsofloving.git
synced 2024-11-15 00:41:21 +00:00
319 lines
6.9 KiB
C
319 lines
6.9 KiB
C
/*
|
|
===========================================================================
|
|
Copyright (C) 1997-2001 Id Software, Inc.
|
|
|
|
This file is part of Quake 2 source code.
|
|
|
|
Quake 2 source code 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 2 of the License,
|
|
or (at your option) any later version.
|
|
|
|
Quake 2 source code 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.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Quake 2 source code; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
===========================================================================
|
|
*/
|
|
|
|
/*
|
|
d*_t structures are on-disk representations
|
|
m*_t structures are in-memory
|
|
*/
|
|
|
|
/*
|
|
==============================================================================
|
|
|
|
BRUSH MODELS
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
|
|
//
|
|
// in memory representation
|
|
//
|
|
// !!! if this is changed, it must be changed in asm_draw.h too !!!
|
|
typedef struct
|
|
{
|
|
vec3_t position;
|
|
} mvertex_t;
|
|
|
|
typedef struct
|
|
{
|
|
vec3_t mins, maxs;
|
|
vec3_t origin; // for sounds or lights
|
|
float radius;
|
|
int headnode;
|
|
int visleafs; // not including the solid leaf 0
|
|
int firstface, numfaces;
|
|
} mmodel_t;
|
|
|
|
|
|
#define SIDE_FRONT 0
|
|
#define SIDE_BACK 1
|
|
#define SIDE_ON 2
|
|
|
|
|
|
#define SURF_PLANEBACK 2
|
|
#define SURF_DRAWSKY 4
|
|
#define SURF_DRAWTURB 0x10
|
|
#define SURF_DRAWBACKGROUND 0x40
|
|
#define SURF_LIGHTMAPPED 0x80
|
|
#define SURF_UNDERWATER 0x100
|
|
#define SURF_UNDERSLIME 0x200
|
|
#define SURF_UNDERLAVA 0x400
|
|
#define SURF_MASK_CAUSTIC (SURF_UNDERWATER|SURF_UNDERSLIME|SURF_UNDERLAVA)
|
|
// Psychospaz's envmapping
|
|
#define SURF_ENVMAP 0x800
|
|
|
|
// !!! if this is changed, it must be changed in asm_draw.h too !!!
|
|
typedef struct
|
|
{
|
|
unsigned short v[2];
|
|
unsigned int cachededgeoffset;
|
|
} medge_t;
|
|
|
|
typedef struct mtexinfo_s
|
|
{
|
|
float vecs[2][4];
|
|
int texWidth; // added Q2E hack
|
|
int texHeight; // added Q2E hack
|
|
int flags;
|
|
int numframes;
|
|
struct mtexinfo_s *next; // animation chain
|
|
image_t *image;
|
|
image_t *glow; // glow overlay
|
|
} mtexinfo_t;
|
|
|
|
/*
|
|
typedef struct
|
|
{
|
|
vec3_t xyz;
|
|
vec2_t texture_st;
|
|
vec2_t lightmap_st;
|
|
byte basecolor[4];
|
|
byte color[4];
|
|
} mpolyvertex_t;
|
|
*/
|
|
|
|
#define VERTEXSIZE 7
|
|
|
|
typedef struct glpoly_s
|
|
{
|
|
struct glpoly_s *next;
|
|
struct glpoly_s *chain;
|
|
int numverts;
|
|
|
|
qboolean vertexlightset;
|
|
byte *vertexlightbase;
|
|
byte *vertexlight;
|
|
vec3_t center;
|
|
|
|
int flags; // for SURF_UNDERWATER (not needed anymore?)
|
|
float verts[4][VERTEXSIZE]; // variable sized (xyz s1t1 s2t2)
|
|
// mpolyvertex_t verts[4]; // variable sized (xyz s1t1 s2t2 rgb rgba)
|
|
} glpoly_t;
|
|
|
|
typedef struct msurface_s
|
|
{
|
|
int visframe; // should be drawn when node is crossed
|
|
|
|
cplane_t *plane;
|
|
int flags;
|
|
|
|
int firstedge; // look up in model->surfedges[], negative numbers
|
|
int numedges; // are backwards edges
|
|
|
|
short texturemins[2];
|
|
short extents[2];
|
|
|
|
int light_s, light_t; // gl lightmap coordinates
|
|
int light_smax, light_tmax;
|
|
int dlight_s, dlight_t; // gl lightmap coordinates for dynamic lightmaps
|
|
|
|
glpoly_t *polys; // multiple if warped
|
|
struct msurface_s *texturechain;
|
|
struct msurface_s *lightmapchain;
|
|
|
|
mtexinfo_t *texinfo;
|
|
|
|
// lighting info
|
|
int dlightframe;
|
|
int dlightbits[(MAX_DLIGHTS+31)>>5]; // derived from MAX_DLIGHTS
|
|
qboolean cached_dlight;
|
|
|
|
int lightmaptexturenum;
|
|
byte styles[MAXLIGHTMAPS];
|
|
float cached_light[MAXLIGHTMAPS]; // values currently used in lightmap
|
|
byte *samples; // [numstyles*surfsize]
|
|
byte *stains; // Knightmare- added stainmaps
|
|
|
|
void *chain_part;
|
|
void *chain_ent;
|
|
|
|
int checkCount;
|
|
entity_t *entity; // entity pointer
|
|
} msurface_t;
|
|
|
|
|
|
typedef struct malphasurface_s
|
|
{
|
|
msurface_t *surf;
|
|
entity_t *entity; // entity pointer
|
|
struct malphasurface_s *surfacechain;
|
|
} malphasurface_t;
|
|
|
|
|
|
typedef struct mnode_s
|
|
{
|
|
// common with leaf
|
|
int contents; // -1, to differentiate from leafs
|
|
int visframe; // node needs to be traversed if current
|
|
|
|
float minmaxs[6]; // for bounding box culling
|
|
|
|
struct mnode_s *parent;
|
|
|
|
// node specific
|
|
cplane_t *plane;
|
|
struct mnode_s *children[2];
|
|
|
|
unsigned short firstsurface;
|
|
unsigned short numsurfaces;
|
|
} mnode_t;
|
|
|
|
|
|
|
|
typedef struct mleaf_s
|
|
{
|
|
// common with node
|
|
int contents; // wil be a negative contents number
|
|
int visframe; // node needs to be traversed if current
|
|
|
|
float minmaxs[6]; // for bounding box culling
|
|
|
|
struct mnode_s *parent;
|
|
|
|
// leaf specific
|
|
int cluster;
|
|
int area;
|
|
|
|
msurface_t **firstmarksurface;
|
|
int nummarksurfaces;
|
|
} mleaf_t;
|
|
|
|
|
|
//===================================================================
|
|
|
|
//
|
|
// Whole model
|
|
//
|
|
|
|
//Harven++ MD3 added mod_md3
|
|
typedef enum {mod_bad, mod_brush, mod_sprite, mod_alias, mod_md2 } modtype_t;
|
|
//Harven-- MD3
|
|
|
|
typedef struct model_s
|
|
{
|
|
char name[MAX_QPATH];
|
|
|
|
int registration_sequence;
|
|
|
|
modtype_t type;
|
|
int numframes;
|
|
|
|
int flags;
|
|
|
|
//
|
|
// volume occupied by the model graphics
|
|
//
|
|
vec3_t mins, maxs;
|
|
float radius;
|
|
|
|
//
|
|
// solid volume for clipping
|
|
//
|
|
qboolean clipbox;
|
|
vec3_t clipmins, clipmaxs;
|
|
|
|
//
|
|
// brush model
|
|
//
|
|
int firstmodelsurface, nummodelsurfaces;
|
|
int lightmap; // only for submodels
|
|
|
|
int numsubmodels;
|
|
mmodel_t *submodels;
|
|
|
|
int numplanes;
|
|
cplane_t *planes;
|
|
|
|
int numleafs; // number of visible leafs, not counting 0
|
|
mleaf_t *leafs;
|
|
|
|
int numvertexes;
|
|
mvertex_t *vertexes;
|
|
|
|
int numedges;
|
|
medge_t *edges;
|
|
|
|
int numnodes;
|
|
int firstnode;
|
|
mnode_t *nodes;
|
|
|
|
int numtexinfo;
|
|
mtexinfo_t *texinfo;
|
|
|
|
int numsurfaces;
|
|
msurface_t *surfaces;
|
|
|
|
int numsurfedges;
|
|
int *surfedges;
|
|
|
|
int nummarksurfaces;
|
|
msurface_t **marksurfaces;
|
|
|
|
dvis_t *vis;
|
|
|
|
byte *lightdata;
|
|
|
|
// for alias models and skins
|
|
// Echon's per-mesh skin support
|
|
image_t *skins[MD3_MAX_MESHES][MAX_MD2SKINS];
|
|
//image_t *skins[MAX_MD2SKINS];
|
|
|
|
size_t extradatasize;
|
|
void *extradata;
|
|
|
|
qboolean hasAlpha; // if model has scripted transparency
|
|
|
|
#ifdef PROJECTION_SHADOWS // projection shadows from BeefQuake R6
|
|
//signed int edge_tri[MAX_TRIANGLES][3]; // make this dynamically allocated?
|
|
int *edge_tri;
|
|
#endif // end projection shadows from BeefQuake R6
|
|
} model_t;
|
|
|
|
//============================================================================
|
|
|
|
void Mod_Init (void);
|
|
void Mod_ClearAll (void);
|
|
model_t *Mod_ForName (char *name, qboolean crash);
|
|
mleaf_t *Mod_PointInLeaf (float *p, model_t *model);
|
|
byte *Mod_ClusterPVS (int cluster, model_t *model);
|
|
|
|
void Mod_Modellist_f (void);
|
|
|
|
void *Hunk_Begin (size_t maxsize);
|
|
void *Hunk_Alloc (size_t size);
|
|
size_t Hunk_End (void);
|
|
void Hunk_Free (void *base);
|
|
|
|
void Mod_FreeAll (void);
|
|
void Mod_Free (model_t *mod);
|
|
|
|
extern qboolean registration_active; // map registration flag
|