*/
+
//
// in memory representation
//
-typedef struct
+typedef struct mvertex_s
{
vec3_t position;
}
// plane_t structure
typedef struct mplane_s
{
- vec3_t normal;
- float dist;
+ union
+ {
+ struct
+ {
+ vec3_t normal;
+ vec_t dist;
+ };
+ vec4_t normal_and_dist;
+ };
// for texture axis selection and fast side tests
- int type;
- int signbits;
+ int type; // set by PlaneClassify()
+ int signbits; // set by PlaneClassify()
}
mplane_t;
#define SHADERSTAGE_NORMAL 1
#define SHADERSTAGE_COUNT 2
-#define SURF_PLANEBACK 2
-#define SURF_DRAWSKY 4
-#define SURF_DRAWTURB 0x10
-#define SURF_LIGHTMAP 0x20
-#define SURF_DRAWNOALPHA 0x100
-#define SURF_DRAWFULLBRIGHT 0x200
-#define SURF_LIGHTBOTHSIDES 0x400
-#define SURF_WATERALPHA 0x4000 // this polygon's alpha is modulated by r_wateralpha
-#define SURF_SOLIDCLIP 0x8000 // this polygon blocks movement
-
-#define SURFRENDER_OPAQUE 0
-#define SURFRENDER_ALPHA 1
-#define SURFRENDER_ADD 2
+//#define SURF_PLANEBACK 2
+
+// indicates that all triangles of the surface should be added to the BIH collision system
+#define MATERIALFLAG_MESHCOLLISIONS 0x00000001
+// use alpha blend on this material
+#define MATERIALFLAG_ALPHA 0x00000002
+// use additive blend on this material
+#define MATERIALFLAG_ADD 0x00000004
+// turn off depth test on this material
+#define MATERIALFLAG_NODEPTHTEST 0x00000008
+// multiply alpha by r_wateralpha cvar
+#define MATERIALFLAG_WATERALPHA 0x00000010
+// draw with no lighting
+#define MATERIALFLAG_FULLBRIGHT 0x00000020
+// drawn as a normal surface (alternative to SKY)
+#define MATERIALFLAG_WALL 0x00000040
+// this surface shows the sky in its place, alternative to WALL
+// skipped if transparent
+#define MATERIALFLAG_SKY 0x00000080
+// swirling water effect (used with MATERIALFLAG_WALL)
+#define MATERIALFLAG_WATERSCROLL 0x00000100
+// skips drawing the surface
+#define MATERIALFLAG_NODRAW 0x00000200
+// probably used only on q1bsp water
+#define MATERIALFLAG_LIGHTBOTHSIDES 0x00000400
+// use alpha test on this material
+#define MATERIALFLAG_ALPHATEST 0x00000800
+// treat this material as a blended transparency (as opposed to an alpha test
+// transparency), this causes special fog behavior, and disables glDepthMask
+#define MATERIALFLAG_BLENDED 0x00001000
+// render using a custom blendfunc
+#define MATERIALFLAG_CUSTOMBLEND 0x00002000
+// do not cast shadows from this material
+#define MATERIALFLAG_NOSHADOW 0x00004000
+// render using vertex alpha (q3bsp) as texture blend parameter between foreground (normal) skinframe and background skinframe
+#define MATERIALFLAG_VERTEXTEXTUREBLEND 0x00008000
+// disables GL_CULL_FACE on this texture (making it double sided)
+#define MATERIALFLAG_NOCULLFACE 0x00010000
+// render with a very short depth range (like 10% of normal), this causes entities to appear infront of most of the scene
+#define MATERIALFLAG_SHORTDEPTHRANGE 0x00020000
+// render water, comprising refraction and reflection (note: this is always opaque, the shader does the alpha effect)
+#define MATERIALFLAG_WATERSHADER 0x00040000
+// render refraction (note: this is just a way to distort the background, otherwise useless)
+#define MATERIALFLAG_REFRACTION 0x00080000
+// render reflection
+#define MATERIALFLAG_REFLECTION 0x00100000
+// use model lighting on this material (q1bsp lightmap sampling or q3bsp lightgrid, implies FULLBRIGHT is false)
+#define MATERIALFLAG_MODELLIGHT 0x00200000
+// causes RSurf_GetCurrentTexture to leave alone certain fields
+#define MATERIALFLAG_CUSTOMSURFACE 0x00800000
+// causes MATERIALFLAG_BLENDED to render a depth pass before rendering, hiding backfaces and other hidden geometry
+#define MATERIALFLAG_TRANSDEPTH 0x01000000
+// like refraction, but doesn't distort etc.
+#define MATERIALFLAG_CAMERA 0x02000000
+// disable rtlight on surface - does not disable other types of lighting (LIGHTMAP, MODELLIGHT)
+#define MATERIALFLAG_NORTLIGHT 0x04000000
+// alphagen vertex
+#define MATERIALFLAG_ALPHAGEN_VERTEX 0x08000000
+// use occlusion buffer for corona
+#define MATERIALFLAG_OCCLUDE 0x10000000
+// use vertex color instead of lighting (e.g. particles and other glowy stuff), use with MATERIALFLAG_FULLBRIGHT
+#define MATERIALFLAG_VERTEXCOLOR 0x20000000
+// combined mask of all attributes that require depth sorted rendering
+#define MATERIALFLAGMASK_DEPTHSORTED (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST)
+// combined mask of all attributes that cause some sort of transparency
+#define MATERIALFLAGMASK_TRANSLUCENT (MATERIALFLAG_WATERALPHA | MATERIALFLAG_SKY | MATERIALFLAG_NODRAW | MATERIALFLAG_ALPHATEST | MATERIALFLAG_BLENDED | MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION)
+
+typedef struct medge_s
+{
+ unsigned int v[2];
+}
+medge_t;
struct entity_render_s;
struct texture_s;
struct msurface_s;
-typedef struct texture_s
-{
- // name
- char name[16];
- // size
- unsigned int width, height;
- // SURF_ flags
- unsigned int flags;
-
- // position in the model's textures array
- int number;
-
- // type of rendering (SURFRENDER_ value)
- int rendertype;
-
- // loaded the same as model skins
- skinframe_t skin;
-
- // total frames in sequence and alternate sequence
- int anim_total[2];
- // direct pointers to each of the frames in the sequences
- // (indexed as [alternate][frame])
- struct texture_s *anim_frames[2][10];
- // set if animated or there is an alternate frame set
- // (this is an optimization in the renderer)
- int animated;
- // the current texture frame in animation
- struct texture_s *currentframe;
- // current alpha of the texture
- float currentalpha;
-}
-texture_t;
-
-typedef struct
-{
- unsigned short v[2];
-}
-medge_t;
-
-typedef struct
-{
- float vecs[2][4];
- texture_t *texture;
- int flags;
-}
-mtexinfo_t;
-
-typedef struct msurface_s
-{
- // bounding box for onscreen checks
- vec3_t poly_mins;
- vec3_t poly_maxs;
-
- // the node plane this is on, backwards if SURF_PLANEBACK flag set
- mplane_t *plane;
- // SURF_ flags
- int flags;
- // texture mapping properties used by this surface
- mtexinfo_t *texinfo;
-
- // the lightmap texture fragment to use on the rendering mesh
- rtexture_t *lightmaptexture;
- // mesh for rendering
- surfmesh_t mesh;
- // if lightmap settings changed, this forces update
- int cached_dlight;
-
- // surface number, to avoid having to do a divide to find the number of a surface from it's address
- int number;
-
- // center for sorting transparent meshes
- vec3_t poly_center;
-
- // index into d_lightstylevalue array, 255 means not used (black)
- qbyte styles[MAXLIGHTMAPS];
- // RGB lighting data [numstyles][height][width][3]
- qbyte *samples;
- // stain to apply on lightmap (soot/dirt/blood/whatever)
- qbyte *stainsamples;
- // the stride when building lightmaps to comply with fragment update
- int lightmaptexturestride;
- int texturemins[2];
- int extents[2];
-
- // if this == r_framecount there are dynamic lights on the surface
- int dlightframe;
- // which dynamic lights are touching this surface
- // (only access this if dlightframe is current)
- int dlightbits[8];
- // avoid redundent addition of dlights
- int lightframe;
-
- // avoid multiple collision traces with a surface polygon
- int colframe;
-
- // these are just 3D points defining the outline of the polygon,
- // no texcoord info (that can be generated from these)
- int poly_numverts;
- float *poly_verts;
-
- // index into model->brush.shadowmesh
- int num_firstshadowmeshtriangle;
-
- // neighboring surfaces (one per poly_numverts)
- //struct msurface_s **neighborsurfaces;
- // currently used only for generating static shadow volumes
- int lighttemp_castshadow;
-
- // avoid redundent surface shadows
- int shadowmark;
-}
-msurface_t;
-
typedef struct mnode_s
{
//this part shared between node and leaf
// for bounding box culling
vec3_t mins;
vec3_t maxs;
+ // supercontents from all brushes inside this node or leaf
+ int combinedsupercontents;
// this part unique to node
struct mnode_s *children[2];
// q1bsp specific
- unsigned short firstsurface;
- unsigned short numsurfaces;
+ unsigned int firstsurface;
+ unsigned int numsurfaces;
}
mnode_t;
// for bounding box culling
vec3_t mins;
vec3_t maxs;
+ // supercontents from all brushes inside this node or leaf
+ int combinedsupercontents;
// this part unique to leaf
// common
int clusterindex; // -1 is not in pvs, >= 0 is pvs bit number
int areaindex; // q3bsp
- int numleaffaces;
- int *firstleafface;
+ int containscollisionsurfaces; // indicates whether the leafsurfaces contains q3 patches
+ int numleafsurfaces;
+ int *firstleafsurface;
int numleafbrushes; // q3bsp
int *firstleafbrush; // q3bsp
- qbyte ambient_sound_level[NUM_AMBIENTS]; // q1bsp
+ unsigned char ambient_sound_level[NUM_AMBIENTS]; // q1bsp
int contents; // q1bsp: // TODO: remove (only used temporarily during loading when making collision hull 0)
int portalmarkid; // q1bsp // used by see-polygon-through-portals visibility checker
}
mleaf_t;
-typedef struct
+typedef struct mclipnode_s
+{
+ int planenum;
+ int children[2]; // negative numbers are contents
+} mclipnode_t;
+
+typedef struct hull_s
{
- dclipnode_t *clipnodes;
+ mclipnode_t *clipnodes;
mplane_t *planes;
int firstclipnode;
int lastclipnode;
mvertex_t *points;
vec3_t mins, maxs; // culling
mplane_t plane;
+ double tracetime; // refreshed to realtime by traceline tests
}
mportal_t;
}
svbspmesh_t;
-typedef struct mlight_s
-{
- // location of light
- vec3_t origin;
- // distance attenuation scale (smaller is a larger light)
- float falloff;
- // color and brightness combined
- vec3_t light;
- // brightness bias, used for limiting radius without a hard edge
- float subtract;
- // spotlight direction
- vec3_t spotdir;
- // cosine of spotlight cone angle (or 0 if not a spotlight)
- float spotcone;
- // distance bias (larger value is softer and darker)
- float distbias;
- // light style controlling this light
- int style;
- // maximum extent of the light for shading purposes
- float lightradius;
- // maximum extent of the light for culling purposes
- float cullradius;
- float cullradius2;
- /*
- // surfaces this shines on
- int numsurfaces;
- msurface_t **surfaces;
- // lit area
- vec3_t mins, maxs;
- // precomputed shadow volume meshs
- //svbspmesh_t *shadowvolume;
- //vec3_t shadowvolumemins, shadowvolumemaxs;
- shadowmesh_t *shadowvolume;
- */
-}
-mlight_t;
-
-extern rtexture_t *r_notexture;
-extern texture_t r_notexture_mip;
-
-struct model_s;
-void Mod_Q1BSP_Load(struct model_s *mod, void *buffer);
-void Mod_IBSP_Load(struct model_s *mod, void *buffer);
-void Mod_MAP_Load(struct model_s *mod, void *buffer);
-void Mod_BrushInit(void);
-
// Q2 bsp stuff
+#define Q2BSPMAGIC ('I' + 'B' * 256 + 'S' * 65536 + 'P' * 16777216)
#define Q2BSPVERSION 38
// leaffaces, leafbrushes, planes, and verts are still bounded by
#define Q2LUMP_AREAPORTALS 18
#define Q2HEADER_LUMPS 19
-typedef struct
+typedef struct q2dheader_s
{
int ident;
int version;
- lump_t lumps[HEADER_LUMPS];
+ lump_t lumps[Q2HEADER_LUMPS];
} q2dheader_t;
-typedef struct
+typedef struct q2dmodel_s
{
float mins[3], maxs[3];
float origin[3]; // for sounds or lights
#define Q2SURF_FLOWING 0x40 // scroll towards angle
#define Q2SURF_NODRAW 0x80 // don't bother referencing the texture
+#define Q2SURF_HINT 0x100 // make a primary bsp splitter
+#define Q2SURF_SKIP 0x200 // completely ignore, allowing non-closed brushes
+#define Q2SURF_ALPHATEST 0x02000000 // alpha test masking of color 255 in wal textures (supported by modded engines)
-typedef struct
+/*
+typedef struct q2dnode_s
{
int planenum;
int children[2]; // negative numbers are -(leafs+1), not nodes
unsigned short numfaces; // counting both sides
} q2dnode_t;
-
-typedef struct
+typedef struct q2texinfo_s
{
float vecs[2][4]; // [s/t][xyz offset]
int flags; // miptex flags + overrides
int value; // light emission, etc
- char texture[32]; // texture name (textures/*.wal)
+ char texture[32]; // texture name (textures/something.wal)
int nexttexinfo; // for animations, -1 = end of chain
} q2texinfo_t;
-typedef struct
+typedef struct q2dleaf_s
{
int contents; // OR of all brushes (not needed?)
unsigned short numleafbrushes;
} q2dleaf_t;
-typedef struct
+typedef struct q2dbrushside_s
{
unsigned short planenum; // facing out of the leaf
short texinfo;
} q2dbrushside_t;
-typedef struct
+typedef struct q2dbrush_s
{
int firstside;
int numsides;
// compressed bit vectors
#define Q2DVIS_PVS 0
#define Q2DVIS_PHS 1
-typedef struct
+typedef struct q2dvis_s
{
int numclusters;
int bitofs[8][2]; // bitofs[numclusters][2]
// each area has a list of portals that lead into other areas
// when portals are closed, other areas may not be visible or
// hearable even if the vis info says that it should be
-typedef struct
+typedef struct q2dareaportal_s
{
int portalnum;
int otherarea;
} q2dareaportal_t;
-typedef struct
+typedef struct q2darea_s
{
int numareaportals;
int firstareaportal;
} q2darea_t;
+*/
//Q3 bsp stuff
#define Q3BSPVERSION 46
+#define Q3BSPVERSION_LIVE 47
+#define Q3BSPVERSION_IG 48
#define Q3LUMP_ENTITIES 0 // entities to spawn (used by server and client)
#define Q3LUMP_TEXTURES 1 // textures used (used by faces)
#define Q3LUMP_LIGHTGRID 15 // lighting as a voxel grid (used by rendering)
#define Q3LUMP_PVS 16 // potentially visible set; bit[clusters][clusters] (used by rendering)
#define Q3HEADER_LUMPS 17
+#define Q3LUMP_ADVERTISEMENTS 17 // quake live stuff written by zeroradiant's q3map2 (ignored by DP)
+#define Q3HEADER_LUMPS_LIVE 18
+#define Q3HEADER_LUMPS_MAX 18
-#define Q3PATHLENGTH 64
-
-typedef struct
+typedef struct q3dheader_s
{
int ident;
int version;
- lump_t lumps[HEADER_LUMPS];
+ lump_t lumps[Q3HEADER_LUMPS_MAX];
} q3dheader_t;
-typedef struct
+typedef struct q3dtexture_s
{
char name[Q3PATHLENGTH];
int surfaceflags;
q3dtexture_t;
// note: planes are paired, the pair of planes with i and i ^ 1 are opposites.
-typedef struct
+typedef struct q3dplane_s
{
float normal[3];
float dist;
}
q3dplane_t;
-typedef struct
+typedef struct q3dnode_s
{
int planeindex;
int childrenindex[2];
}
q3dnode_t;
-typedef struct
+typedef struct q3dleaf_s
{
int clusterindex; // pvs index
int areaindex; // area index
}
q3dleaf_t;
-typedef struct
+typedef struct q3dmodel_s
{
float mins[3];
float maxs[3];
}
q3dmodel_t;
-typedef struct
+typedef struct q3dbrush_s
{
int firstbrushside;
int numbrushsides;
}
q3dbrush_t;
-typedef struct
+typedef struct q3dbrushside_s
{
int planeindex;
int textureindex;
}
q3dbrushside_t;
-typedef struct
+typedef struct q3dbrushside_ig_s
+{
+ int planeindex;
+ int textureindex;
+ int surfaceflags;
+}
+q3dbrushside_ig_t;
+
+typedef struct q3dvertex_s
{
float origin3f[3];
float texcoord2f[2];
}
q3dvertex_t;
-typedef struct
+typedef struct q3dmeshvertex_s
{
int offset; // first vertex index of mesh
}
q3dmeshvertex_t;
-typedef struct
+typedef struct q3deffect_s
{
char shadername[Q3PATHLENGTH];
int brushindex;
}
q3deffect_t;
-#define Q3FACETYPE_POLYGON 1 // common
+#define Q3FACETYPE_FLAT 1 // common
#define Q3FACETYPE_PATCH 2 // common
#define Q3FACETYPE_MESH 3 // common
#define Q3FACETYPE_FLARE 4 // rare (is this ever used?)
-typedef struct
+typedef struct q3dface_s
{
int textureindex;
int effectindex; // -1 if none
unknown;
struct
{
- // Q3FACETYPE_POLYGON
- // polygon is simply a convex polygon, renderable as a mesh
+ // Q3FACETYPE_FLAT
+ // mesh is a collection of triangles on a plane, renderable as a mesh (NOT a polygon)
float lightmap_origin[3];
float lightmap_vectors[2][3];
float normal[3];
int unused1[2];
}
- polygon;
+ flat;
struct
{
// Q3FACETYPE_PATCH
}
q3dface_t;
-typedef struct
+typedef struct q3dlightmap_s
{
unsigned char rgb[128*128*3];
}
q3dlightmap_t;
-typedef struct
+typedef struct q3dlightgrid_s
{
unsigned char ambientrgb[3];
unsigned char diffusergb[3];
}
q3dlightgrid_t;
-typedef struct
+typedef struct q3dpvs_s
{
int numclusters;
int chainlength;
#define Q3SURFACEFLAG_NODAMAGE 1
#define Q3SURFACEFLAG_SLICK 2
#define Q3SURFACEFLAG_SKY 4
-#define Q3SURFACEFLAG_LADDER 8
+#define Q3SURFACEFLAG_LADDER 8 // has no surfaceparm
#define Q3SURFACEFLAG_NOIMPACT 16
#define Q3SURFACEFLAG_NOMARKS 32
-#define Q3SURFACEFLAG_FLESH 64
+#define Q3SURFACEFLAG_FLESH 64 // has no surfaceparm
#define Q3SURFACEFLAG_NODRAW 128
#define Q3SURFACEFLAG_HINT 256
-#define Q3SURFACEFLAG_SKIP 512
+#define Q3SURFACEFLAG_SKIP 512 // has no surfaceparm
#define Q3SURFACEFLAG_NOLIGHTMAP 1024
#define Q3SURFACEFLAG_POINTLIGHT 2048
#define Q3SURFACEFLAG_METALSTEPS 4096
-#define Q3SURFACEFLAG_NOSTEPS 8192
+#define Q3SURFACEFLAG_NOSTEPS 8192 // has no surfaceparm
#define Q3SURFACEFLAG_NONSOLID 16384
#define Q3SURFACEFLAG_LIGHTFILTER 32768
#define Q3SURFACEFLAG_ALPHASHADOW 65536
#define Q3SURFACEPARM_ORIGIN 262144
#define Q3SURFACEPARM_PLAYERCLIP 524288
#define Q3SURFACEPARM_SKY 1048576
-#define Q3SURFACEPARM_SLICK 2197152
+#define Q3SURFACEPARM_SLICK 2097152
#define Q3SURFACEPARM_SLIME 4194304
#define Q3SURFACEPARM_STRUCTURAL 8388608
#define Q3SURFACEPARM_TRANS 16777216
#define Q3SURFACEPARM_WATER 33554432
#define Q3SURFACEPARM_POINTLIGHT 67108864
-
-// various flags from shaders
-#define Q3TEXTUREFLAG_TWOSIDED 1
-#define Q3TEXTUREFLAG_ADDITIVE 2
-#define Q3TEXTUREFLAG_NOMIPMAPS 4
-#define Q3TEXTUREFLAG_NOPICMIP 8
-#define Q3TEXTUREFLAG_AUTOSPRITE 16
-#define Q3TEXTUREFLAG_AUTOSPRITE2 32
-#define Q3TEXTUREFLAG_ALPHATEST 64
-
-struct q3msurface_s;
-typedef struct q3mtexture_s
-{
- char name[Q3PATHLENGTH];
- char firstpasstexturename[Q3PATHLENGTH];
- int surfaceflags;
- int supercontents;
- int surfaceparms;
- int textureflags;
-
- int number;
- skinframe_t skin;
-
- int numfaces;
- struct q3msurface_s **facelist;
- int *facenumlist;
-}
-q3mtexture_t;
-
-typedef struct q3mmodel_s
-{
- vec3_t mins;
- vec3_t maxs;
- int numfaces;
- struct q3msurface_s *firstface;
- int numbrushes;
- struct q3mbrush_s *firstbrush;
-}
-q3mmodel_t;
+#define Q3SURFACEPARM_HINT 134217728
+#define Q3SURFACEPARM_DUST 268435456
+#define Q3SURFACEPARM_BOTCLIP 536870912
+#define Q3SURFACEPARM_LIGHTGRID 1073741824
+#define Q3SURFACEPARM_ANTIPORTAL 2147483648u
typedef struct q3mbrush_s
{
struct colbrushf_s *colbrushf;
int numbrushsides;
struct q3mbrushside_s *firstbrushside;
- struct q3mtexture_s *texture;
+ struct texture_s *texture;
}
q3mbrush_t;
typedef struct q3mbrushside_s
{
struct mplane_s *plane;
- struct q3mtexture_s *texture;
+ struct texture_s *texture;
}
q3mbrushside_t;
-typedef struct q3meffect_s
-{
- char shadername[Q3PATHLENGTH];
- struct q3mbrush_s *brush;
- int unknown; // 5 or -1
-}
-q3meffect_t;
-
-typedef struct q3msurface_s
-{
- // FIXME: collisionmarkframe should be kept in a separate array
- // FIXME: shadowmark should be kept in a separate array
-
- struct q3mtexture_s *texture;
- struct q3meffect_s *effect;
- rtexture_t *lightmaptexture;
- int collisionmarkframe; // don't collide twice in one trace
- // bounding box for culling
- float mins[3];
- float maxs[3];
-
- surfmesh_t mesh;
-
- // index into model->brush.shadowmesh
- int num_firstshadowmeshtriangle;
-
- // used for shadow volume generation
- int shadowmark;
-}
-q3msurface_t;
-
-#define CHECKPVSBIT(pvs,b) ((b) >= 0 ? ((pvs)[(b) >> 3] & (1 << ((b) & 7))) : false)
-#define SETPVSBIT(pvs,b) ((b) >= 0 ? ((pvs)[(b) >> 3] |= (1 << ((b) & 7))) : false)
-#define CLEARPVSBIT(pvs,b) ((b) >= 0 ? ((pvs)[(b) >> 3] &= ~(1 << ((b) & 7))) : false)
+// the first cast is to shut up a stupid warning by clang, the second cast is to make both sides have the same type
+#define CHECKPVSBIT(pvs,b) ((b) >= 0 ? (unsigned char) ((pvs)[(b) >> 3] & (1 << ((b) & 7))) : (unsigned char) false)
+#define SETPVSBIT(pvs,b) (void) ((b) >= 0 ? (unsigned char) ((pvs)[(b) >> 3] |= (1 << ((b) & 7))) : (unsigned char) false)
+#define CLEARPVSBIT(pvs,b) (void) ((b) >= 0 ? (unsigned char) ((pvs)[(b) >> 3] &= ~(1 << ((b) & 7))) : (unsigned char) false)
#endif
projects / xonotic / darkplaces.git / blobdiff