799 lines
17 KiB
C
799 lines
17 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 2007 Peter Mackay and Chris Swindle.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __MODEL__
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#define __MODEL__
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#include "../modelgen.h"
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#include "../spritegn.h"
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#ifdef PSP_VFPU
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#include <pspmath.h>
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#endif
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/*
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d*_t structures are on-disk representations
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m*_t structures are in-memory
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*/
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// entity effects
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#define EF_BLUELIGHT 1
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#define EF_MUZZLEFLASH 2
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#define EF_BRIGHTLIGHT 4
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#define EF_REDLIGHT 8
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#define EF_ORANGELIGHT 16
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#define EF_GREENLIGHT 32
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#define EF_PINKLIGHT 64 // formerly EF_LIGHT
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#define EF_NODRAW 128
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#define EF_LIMELIGHT 256 // formerly EF_BRIGHTFIELD
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#define EF_FULLBRIGHT 512
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#define EF_CYANLIGHT 1024 // formerly EF_DARKLIGHT
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#define EF_YELLOWLIGHT 2048 // formerly EF_DARKFIELD
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#define EF_PURPLELIGHT 4096
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#define EF_RAYRED 8196 // red trail for porter x2
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#define EF_RAYGREEN 16384 // green trail for ray gun
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/*
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==============================================================================
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BRUSH MODELS
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==============================================================================
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*/
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//
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// in memory representation
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//
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// !!! if this is changed, it must be changed in asm_draw.h too !!!
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typedef struct
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{
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vec3_t position;
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} mvertex_t;
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#define SIDE_FRONT 0
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#define SIDE_BACK 1
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#define SIDE_ON 2
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// plane_t structure
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// !!! if this is changed, it must be changed in asm_i386.h too !!!
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typedef struct mplane_s
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{
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vec3_t normal;
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float dist;
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byte type; // for texture axis selection and fast side tests
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byte signbits; // signx + signy<<1 + signz<<1
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byte pad[2];
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} mplane_t;
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typedef struct texture_s
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{
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char name[16];
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unsigned width, height;
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int gl_texturenum;
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int dt_texturenum;
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#ifdef FULLBRIGHT
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int fullbright;
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#endif
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struct msurface_s *texturechain; // for gl_texsort drawing
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int anim_total; // total tenths in sequence ( 0 = no)
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int anim_min, anim_max; // time for this frame min <=time< max
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struct texture_s *anim_next; // in the animation sequence
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struct texture_s *alternate_anims; // bmodels in frmae 1 use these
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unsigned offsets[MIPLEVELS]; // four mip maps stored
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} texture_t;
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#define SURF_PLANEBACK 2
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#define SURF_DRAWSKY 4
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#define SURF_DRAWSPRITE 8
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#define SURF_DRAWTURB 0x10 // 16
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#define SURF_DRAWTILED 0x20 // 32
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#define SURF_DRAWBACKGROUND 0x40 // 64
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#define SURF_UNDERWATER 0x80 // 128
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#define TEXFLAG_NODRAW 256
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#define TEXFLAG_REFLECT 512
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#define TEXFLAG_NORMAL 1024
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// !!! if this is changed, it must be changed in asm_draw.h too !!!
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typedef struct
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{
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unsigned short v[2];
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unsigned int cachededgeoffset;
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} medge_t;
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typedef struct
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{
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float vecs[2][4];
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float mipadjust;
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texture_t *texture;
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int flags;
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} mtexinfo_t;
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//typedef vec_t vec2_t[2];
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typedef struct glvert_s
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{
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vec2_t st;
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vec3_t xyz;
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} glvert_t;
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typedef struct glpoly_s
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{
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struct glpoly_s *next;
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struct glpoly_s *chain;
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int numverts;
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int flags; // for SURF_UNDERWATER
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struct glpoly_s *detail_chain; // next detail poly in chain
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struct glpoly_s *caustics_chain; // next caustic poly in chain
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vec3_t midpoint;//MHQuake
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float fxofs; //MHQuake
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// This is a variable sized array, and hence must be the last element in
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// this structure.
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//
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// The array is (numverts * 2) in size. The first half are regular
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// vertices, and the second half have copies of the first half's XYZs but
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// keep the light map texture coordinates. This makes the vertices easier
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// to render on the PSP.
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// naievil -- changed from verts[1] to verts[2] in order to not have possible out of bounds error during compilation
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// and create some sort of condition that causes the verts to not be assigned!
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glvert_t verts[2];
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} glpoly_t;
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typedef struct msurface_s
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{
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int visframe; // should be drawn when node is crossed
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mplane_t *plane;
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int flags;
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int firstedge; // look up in model->surfedges[], negative numbers
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int numedges; // are backwards edges
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short texturemins[2];
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short extents[2];
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int light_s, light_t; // gl lightmap coordinates
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glpoly_t *polys; // multiple if warped
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struct msurface_s *texturechain;
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mtexinfo_t *texinfo;
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int draw_this_frame;
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// lighting info
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int dlightframe;
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int dlightbits;
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int lightmaptexturenum;
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byte styles[MAXLIGHTMAPS];
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int cached_light[MAXLIGHTMAPS]; // values currently used in lightmap
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qboolean cached_dlight; // true if dynamic light in cache
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byte *samples; // [numstyles*surfsize]
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} msurface_t;
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typedef struct mnode_s
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{
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// common with leaf
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int contents; // 0, to differentiate from leafs
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int visframe; // node needs to be traversed if current
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float minmaxs[6]; // for bounding box culling
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struct mnode_s *parent;
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// node specific
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mplane_t *plane;
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struct mnode_s *children[2];
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unsigned short firstsurface;
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unsigned short numsurfaces;
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} mnode_t;
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typedef struct mleaf_s
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{
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// common with node
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int contents; // wil be a negative contents number
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int visframe; // node needs to be traversed if current
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float minmaxs[6]; // for bounding box culling
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struct mnode_s *parent;
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// leaf specific
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byte *compressed_vis;
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efrag_t *efrags;
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msurface_t **firstmarksurface;
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int nummarksurfaces;
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int key; // BSP sequence number for leaf's contents
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byte ambient_sound_level[NUM_AMBIENTS];
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} mleaf_t;
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// !!! if this is changed, it must be changed in asm_i386.h too !!!
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typedef struct
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{
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dclipnode_t *clipnodes;
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mplane_t *planes;
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int firstclipnode;
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int lastclipnode;
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vec3_t clip_mins;
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vec3_t clip_maxs;
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} hull_t;
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/*
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==============================================================================
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SPRITE MODELS
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==============================================================================
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*/
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// FIXME: shorten these?
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typedef struct mspriteframe_s
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{
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int width;
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int height;
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float up, down, left, right;
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int gl_texturenum;
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} mspriteframe_t;
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typedef struct
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{
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int numframes;
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float *intervals;
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mspriteframe_t *frames[1];
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} mspritegroup_t;
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typedef struct
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{
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spriteframetype_t type;
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mspriteframe_t *frameptr;
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} mspriteframedesc_t;
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typedef struct
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{
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int type;
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int maxwidth;
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int maxheight;
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int numframes;
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float beamlength; // remove? no! and it!
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void *cachespot; // remove? no! and it!
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mspriteframedesc_t frames[1];
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} msprite_t;
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/*
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==============================================================================
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ALIAS MODELS
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Alias models are position independent, so the cache manager can move them.
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==============================================================================
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*/
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typedef struct
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{
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int firstpose;
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int numposes;
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float interval;
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trivertx_t bboxmin;
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trivertx_t bboxmax;
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int frame;
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char name[16];
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} maliasframedesc_t;
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typedef struct
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{
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trivertx_t bboxmin;
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trivertx_t bboxmax;
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int frame;
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} maliasgroupframedesc_t;
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typedef struct
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{
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int numframes;
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int intervals;
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maliasgroupframedesc_t frames[1];
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} maliasgroup_t;
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// !!! if this is changed, it must be changed in asm_draw.h too !!!
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typedef struct mtriangle_s {
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int facesfront;
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int vertindex[3];
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} mtriangle_t;
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typedef struct mh2triangle_s
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{
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int facesfront;
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unsigned short vertindex[3];
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unsigned short stindex[3];
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} mh2triangle_t;
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#define MAX_SKINS 32
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typedef struct {
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int ident;
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int version;
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vec3_t scale;
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vec3_t scale_origin;
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float boundingradius;
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vec3_t eyeposition;
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int numskins;
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int skinwidth;
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int skinheight;
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int numverts;
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int numtris;
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int numframes;
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synctype_t synctype;
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int flags;
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float size;
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int numposes;
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int poseverts;
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int posedata; // numposes*poseverts trivert_t
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int commands; // gl command list with embedded s/t
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int gl_texturenum[MAX_SKINS][4];
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int texels[MAX_SKINS]; // only for player skins
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maliasframedesc_t frames[1]; // variable sized
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} aliashdr_t;
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// MOTO - ADQuake has MAXALIASVERTS set to 5120.. why?
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#define MAXALIASVERTS 2048
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#define MAXALIASFRAMES 256
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#define MAXALIASTRIS 2048
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extern aliashdr_t *pheader;
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extern stvert_t stverts[MAXALIASVERTS];
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extern mtriangle_t triangles[MAXALIASTRIS];
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extern mh2triangle_t h2triangles[MAXALIASTRIS];
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extern trivertx_t *poseverts[MAXALIASFRAMES];
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//===================================================================
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//
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// Whole model
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//
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typedef enum
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{
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mod_brush,
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mod_sprite,
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mod_alias,
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mod_halflife,
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mod_md3
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}
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modtype_t;
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#define EF_ROCKET 1 // leave a trail
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#define EF_GRENADE 2 // leave a trail
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#define EF_GIB 4 // leave a trail
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#define EF_ROTATE 8 // rotate (bonus items)
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#define EF_TRACER 16 // green split trail
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#define EF_ZOMGIB 32 // small blood trail
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#define EF_TRACER2 64 // orange split trail + rotate
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#define EF_TRACER3 128 // purple trail
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#define EF_Q3TRANS 256 // Q3 model containing transparent surface(s)
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/*
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========================================================================
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.MD2 triangle model file format
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========================================================================
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*/
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// LordHavoc: grabbed this from the Q2 utility source,
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// renamed a things to avoid conflicts
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#define MD2IDALIASHEADER (('2'<<24)+('P'<<16)+('D'<<8)+'I')
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#define MD2ALIAS_VERSION 8
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#define MD2MAX_TRIANGLES 4096
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#define MD2MAX_VERTS 2048
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#define MD2MAX_FRAMES 512
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#define MD2MAX_SKINS 32
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#define MD2MAX_SKINNAME 64
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// sanity checking size
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#define MD2MAX_SIZE (1024*4200)
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typedef struct
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{
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short s;
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short t;
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} md2stvert_t;
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typedef struct
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{
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short index_xyz[3];
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short index_st[3];
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} md2triangle_t;
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typedef struct
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{
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byte v[3]; // scaled byte to fit in frame mins/maxs
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byte lightnormalindex;
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} md2trivertx_t;
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#define MD2TRIVERTX_V0 0
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#define MD2TRIVERTX_V1 1
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#define MD2TRIVERTX_V2 2
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#define MD2TRIVERTX_LNI 3
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#define MD2TRIVERTX_SIZE 4
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typedef struct
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{
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float scale[3]; // multiply byte verts by this
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float translate[3]; // then add this
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char name[16]; // frame name from grabbing
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md2trivertx_t verts[1]; // variable sized
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} md2frame_t;
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// the glcmd format:
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// a positive integer starts a tristrip command, followed by that many
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// vertex structures.
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// a negative integer starts a trifan command, followed by -x vertexes
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// a zero indicates the end of the command list.
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// a vertex consists of a floating point s, a floating point t,
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// and an integer vertex index.
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typedef struct
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{
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int ident;
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int version;
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int skinwidth;
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int skinheight;
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int framesize; // byte size of each frame
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int num_skins;
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int num_xyz;
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int num_st; // greater than num_xyz for seams
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int num_tris;
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int num_glcmds; // dwords in strip/fan command list
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int num_frames;
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int ofs_skins; // each skin is a MAX_SKINNAME string
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int ofs_st; // byte offset from start for stverts
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int ofs_tris; // offset for dtriangles
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int ofs_frames; // offset for first frame
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int ofs_glcmds;
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int ofs_end; // end of file
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int gl_texturenum[MAX_SKINS];
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} md2_t;
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#define ALIASTYPE_MDL 1
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#define ALIASTYPE_MD2 2
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//==============================================================================
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//===================================Q3 Models==================================
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//==============================================================================
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#define MD3IDHEADER (('3'<<24)+('P'<<16)+('D'<<8)+'I')
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#define MD3_VERSION 15
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typedef struct
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{
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int ident;
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int version;
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char name[MAX_QPATH];
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int flags;
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int numframes;
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int numtags;
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int numsurfs;
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int numskins;
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int ofsframes;
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int ofstags;
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int ofssurfs;
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int ofsend;
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} md3header_t;
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typedef struct
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{
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vec3_t mins, maxs;
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vec3_t pos;
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float radius;
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char name[16];
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} md3frame_t;
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typedef struct
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{
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char name[MAX_QPATH];
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vec3_t pos;
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vec3_t rot[3];
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} md3tag_t;
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typedef struct
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{
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int ident;
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char name[MAX_QPATH];
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int flags;
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int numframes;
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int numshaders;
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int numverts;
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int numtris;
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int ofstris;
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int ofsshaders;
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int ofstc;
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int ofsverts;
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int ofsend;
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} md3surface_t;
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typedef struct
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{
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char name[MAX_QPATH];
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int index;
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} md3shader_t;
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typedef struct
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{
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char name[MAX_QPATH];
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int index;
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int gl_texnum, fb_texnum;
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} md3shader_mem_t;
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typedef struct
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{
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int indexes[3];
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} md3triangle_t;
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typedef struct
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{
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float s, t;
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} md3tc_t;
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typedef struct
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{
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short vec[3];
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unsigned short normal;
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} md3vert_t;
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typedef struct
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{
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vec3_t vec;
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vec3_t normal;
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byte anorm_pitch, anorm_yaw;
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unsigned short oldnormal; // needed for normal lighting
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} md3vert_mem_t;
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#define MD3_XYZ_SCALE (1.0 / 64)
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#define MAXMD3FRAMES 1024
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#define MAXMD3TAGS 16
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#define MAXMD3SURFS 32
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#define MAXMD3SHADERS 256
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#define MAXMD3VERTS 4096
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#define MAXMD3TRIS 8192
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typedef struct animdata_s
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{
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int offset;
|
|
int num_frames;
|
|
int loop_frames;
|
|
float interval;
|
|
} animdata_t;
|
|
|
|
typedef enum animtype_s
|
|
{
|
|
both_death1, both_death2, both_death3, both_dead1, both_dead2, both_dead3,
|
|
torso_attack, torso_attack2, torso_stand, torso_stand2,
|
|
legs_walk,legs_run, legs_idle,
|
|
NUM_ANIMTYPES
|
|
} animtype_t;
|
|
|
|
extern animdata_t anims[NUM_ANIMTYPES];
|
|
|
|
//==============================================================================
|
|
|
|
// some models are special
|
|
typedef enum
|
|
{
|
|
MOD_NORMAL,
|
|
MOD_PLAYER,
|
|
MOD_EYES,
|
|
MOD_FLAME,
|
|
MOD_THUNDERBOLT,
|
|
MOD_WEAPON,
|
|
MOD_LAVABALL,
|
|
MOD_SPIKE,
|
|
MOD_SHAMBLER,
|
|
MOD_SPR,
|
|
MOD_SPR32,
|
|
// MOD_GKEY,
|
|
// MOD_SKEY,
|
|
} modhint_t;
|
|
|
|
|
|
|
|
typedef struct model_s
|
|
{
|
|
char name[MAX_QPATH];
|
|
qboolean needload; // bmodels and sprites don't cache normally
|
|
|
|
modhint_t modhint;
|
|
|
|
modtype_t type;
|
|
int aliastype; // LordHavoc: Q2 model support
|
|
int numframes;
|
|
synctype_t synctype;
|
|
|
|
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 numsubmodels;
|
|
dmodel_t *submodels;
|
|
|
|
int numplanes;
|
|
mplane_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;
|
|
mnode_t *nodes;
|
|
|
|
int numtexinfo;
|
|
mtexinfo_t *texinfo;
|
|
|
|
int numsurfaces;
|
|
msurface_t *surfaces;
|
|
|
|
int numsurfedges;
|
|
int *surfedges;
|
|
|
|
int numclipnodes;
|
|
dclipnode_t *clipnodes;
|
|
|
|
int nummarksurfaces;
|
|
msurface_t **marksurfaces;
|
|
|
|
hull_t hulls[MAX_MAP_HULLS];
|
|
|
|
int numtextures;
|
|
texture_t **textures;
|
|
|
|
byte *visdata;
|
|
byte *lightdata;
|
|
char *entities;
|
|
int bspversion;
|
|
qboolean isworldmodel;
|
|
//
|
|
// additional model data
|
|
//
|
|
cache_user_t cache; // only access through Mod_Extradata
|
|
|
|
} model_t;
|
|
|
|
/*
|
|
==============================================================================
|
|
|
|
.BSP Q2 file format
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
#define kIDBSPHEADER (('P'<<24)+('S'<<16)+('B'<<8)+'I')
|
|
// little-endian "IBSP"
|
|
#define Q2_BSPVERSION 38
|
|
|
|
|
|
// upper design bounds
|
|
// leaffaces, leafbrushes, planes, and verts are still bounded by
|
|
// 16 bit short limits
|
|
#define Q2_MAX_MAP_MODELS 1024
|
|
#define Q2_MAX_MAP_BRUSHES 8192
|
|
#define Q2_MAX_MAP_ENTITIES 2048
|
|
#define Q2_MAX_MAP_ENTSTRING 0x40000
|
|
#define Q2_MAX_MAP_TEXINFO 8192
|
|
|
|
#define Q2_MAX_MAP_AREAS 256
|
|
#define Q2_MAX_MAP_AREAPORTALS 1024
|
|
#define Q2_MAX_MAP_PLANES 65536
|
|
#define Q2_MAX_MAP_NODES 65536
|
|
#define Q2_MAX_MAP_BRUSHSIDES 65536
|
|
#define Q2_MAX_MAP_LEAFS 65536
|
|
#define Q2_MAX_MAP_VERTS 65536
|
|
#define Q2_MAX_MAP_FACES 65536
|
|
#define Q2_MAX_MAP_LEAFFACES 65536
|
|
#define Q2_MAX_MAP_LEAFBRUSHES 65536
|
|
#define Q2_MAX_MAP_PORTALS 65536
|
|
#define Q2_MAX_MAP_EDGES 128000
|
|
#define Q2_MAX_MAP_SURFEDGES 256000
|
|
#define Q2_MAX_MAP_LIGHTING 0x200000
|
|
#define Q2_MAX_MAP_VISIBILITY 0x100000
|
|
|
|
// key / value pair sizes
|
|
|
|
#define Q2_MAX_KEY 32
|
|
#define Q2_MAX_VALUE 1024
|
|
|
|
#define Q2_LUMP_ENTITIES 0
|
|
#define Q2_LUMP_PLANES 1
|
|
#define Q2_LUMP_VERTEXES 2
|
|
#define Q2_LUMP_VISIBILITY 3
|
|
#define Q2_LUMP_NODES 4
|
|
#define Q2_LUMP_TEXINFO 5
|
|
#define Q2_LUMP_FACES 6
|
|
#define Q2_LUMP_LIGHTING 7
|
|
#define Q2_LUMP_LEAFS 8
|
|
#define Q2_LUMP_LEAFFACES 9
|
|
#define Q2_LUMP_LEAFBRUSHES 10
|
|
#define Q2_LUMP_EDGES 11
|
|
#define Q2_LUMP_SURFEDGES 12
|
|
#define Q2_LUMP_MODELS 13
|
|
#define Q2_LUMP_BRUSHES 14
|
|
#define Q2_LUMP_BRUSHSIDES 15
|
|
#define Q2_LUMP_POP 16
|
|
#define Q2_LUMP_AREAS 17
|
|
#define Q2_LUMP_AREAPORTALS 18
|
|
#define Q2_HEADER_LUMPS 19
|
|
|
|
//=============================================================================
|
|
|
|
//============================================================================
|
|
|
|
|
|
void Mod_Init (void);
|
|
void Mod_ClearAll (void);
|
|
model_t *Mod_ForName (char *name, qboolean crash);
|
|
void *Mod_Extradata (model_t *mod); // handles caching
|
|
void Mod_TouchModel (char *name);
|
|
|
|
mleaf_t *Mod_PointInLeaf (float *p, model_t *model);
|
|
byte *Mod_LeafPVS (mleaf_t *leaf, model_t *model);
|
|
|
|
void CL_AddDecal (vec3_t n, vec3_t pt, int type);
|
|
#endif // __MODEL__
|