*/
+
//
// in memory representation
//
-typedef struct
+typedef struct mvertex_s
{
vec3_t position;
}
#define SHADERSTAGE_NORMAL 1
#define SHADERSTAGE_COUNT 2
-#define SHADERFLAGS_NEEDLIGHTMAP 1
-
-#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_SHADOWCAST 0x1000 // this polygon can cast stencil shadows
-#define SURF_SHADOWLIGHT 0x2000 // this polygon can be lit by stencil shadowing
-#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
-
-struct entity_render_s;
-struct texture_s;
-struct msurface_s;
-// change this stuff when real shaders are added
-typedef struct Cshader_s
-{
- void (*shaderfunc[SHADERSTAGE_COUNT])(const struct entity_render_s *ent, const struct texture_s *texture, struct msurface_s **surfchain);
- int flags;
-}
-Cshader_t;
-
-extern Cshader_t Cshader_wall_lightmap;
-extern Cshader_t Cshader_water;
-extern Cshader_t Cshader_sky;
-
-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;
-
- // shader to use for this texture
- Cshader_t *shader;
-
- // 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
+//#define SURF_PLANEBACK 2
+
+// use alpha blend on this material
+#define MATERIALFLAG_ALPHA 2
+// use additive blend on this material
+#define MATERIALFLAG_ADD 4
+// turn off depth test on this material
+#define MATERIALFLAG_NODEPTHTEST 8
+// multiply alpha by r_wateralpha cvar
+#define MATERIALFLAG_WATERALPHA 16
+// draw with no lighting
+#define MATERIALFLAG_FULLBRIGHT 32
+// drawn as a normal surface (alternative to SKY)
+#define MATERIALFLAG_WALL 64
+// this surface shows the sky in its place, alternative to WALL
+// skipped if transparent
+#define MATERIALFLAG_SKY 128
+// swirling water effect (used with MATERIALFLAG_WALL)
+#define MATERIALFLAG_WATERSCROLL 256
+// skips drawing the surface
+#define MATERIALFLAG_NODRAW 512
+// probably used only on q1bsp water
+#define MATERIALFLAG_LIGHTBOTHSIDES 1024
+// use alpha test on this material
+#define MATERIALFLAG_ALPHATEST 2048
+// 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 4096
+// render using a custom blendfunc
+#define MATERIALFLAG_CUSTOMBLEND 8192
+// do not cast shadows from this material
+#define MATERIALFLAG_NOSHADOW 16384
+// render using vertex alpha (q3bsp) as texture blend parameter between foreground (normal) skinframe and background skinframe
+#define MATERIALFLAG_VERTEXTEXTUREBLEND 32768
+// disables GL_CULL_FACE on this texture (making it double sided)
+#define MATERIALFLAG_NOCULLFACE 65536
+// 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 131072
+// render water, comprising refraction and reflection (note: this is always opaque, the shader does the alpha effect)
+#define MATERIALFLAG_WATERSHADER 262144
+// render refraction (note: this is just a way to distort the background, otherwise useless)
+#define MATERIALFLAG_REFRACTION 524288
+// render reflection
+#define MATERIALFLAG_REFLECTION 1048576
+// use model lighting on this material (q1bsp lightmap sampling or q3bsp lightgrid, implies FULLBRIGHT is false)
+#define MATERIALFLAG_MODELLIGHT 4194304
+// add directional model lighting to this material (q3bsp lightgrid only)
+#define MATERIALFLAG_MODELLIGHT_DIRECTIONAL 8388608
+// combined mask of all attributes that require depth sorted rendering
+#define MATERIALFLAGMASK_DEPTHSORTED (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST)
+
+typedef struct medge_s
{
unsigned short v[2];
}
medge_t;
-typedef struct
-{
- float vecs[2][4];
- texture_t *texture;
- int flags;
-}
-mtexinfo_t;
-
-// LordHavoc: replaces glpoly, triangle mesh
-typedef struct surfmesh_s
-{
- int num_vertices; // number of vertices in the mesh
- int num_triangles; // number of triangles in the mesh
- float *data_vertex3f; // float[verts*3] vertex locations
- float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
- float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
- float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
- int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
- float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
- float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
- float *data_texcoorddetail2f; // float[verts*2] texcoords for detail texture
- int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
- int *data_neighbor3i; // int[tris*3] neighboring triangle on each edge (-1 if none)
-}
-surfmesh_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;
-
- // should be drawn if visframe == r_framecount (set by PrepareSurfaces)
- int visframe;
- // should be drawn if onscreen and not a backface (used for setting visframe)
- //int pvsframe;
- // chain of surfaces marked visible by pvs
- //struct msurface_s *pvschain;
-
- // 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;
-
- // neighboring surfaces (one per poly_numverts)
- //struct msurface_s **neighborsurfaces;
- // currently used only for generating static shadow volumes
- int castshadow;
-}
-msurface_t;
+struct entity_render_s;
+struct texture_s;
+struct msurface_s;
typedef struct mnode_s
{
-// common with leaf
- // always 0 in nodes
- int contents;
-
+ //this part shared between node and leaf
+ mplane_t *plane; // != NULL
struct mnode_s *parent;
struct mportal_s *portals;
-
// for bounding box culling
vec3_t mins;
vec3_t maxs;
+ // supercontents from all brushes inside this node or leaf
+ int combinedsupercontents;
-// node specific
- mplane_t *plane;
+ // this part unique to node
struct mnode_s *children[2];
+ // q1bsp specific
unsigned short firstsurface;
unsigned short numsurfaces;
}
typedef struct mleaf_s
{
-// common with node
- // always negative in leafs
- int contents;
-
+ //this part shared between node and leaf
+ mplane_t *plane; // == NULL
struct mnode_s *parent;
struct mportal_s *portals;
-
// for bounding box culling
vec3_t mins;
vec3_t maxs;
-
-// leaf specific
- // next leaf in pvschain
- struct mleaf_s *pvschain;
- // potentially visible if current (model->pvsframecount)
- int pvsframe;
- // visible if marked current (r_framecount)
- int visframe;
- // used by certain worldnode variants to avoid processing the same leaf twice in a frame
- int worldnodeframe;
- // used by polygon-through-portals visibility checker
- int portalmarkid;
-
- // decompressed pvs bits (potentially visible set)
- // note: never NULL, always present, may be full of 0xFF though
- qbyte *pvsdata;
-
- int *firstmarksurface;
- int nummarksurfaces;
- qbyte ambient_sound_level[NUM_AMBIENTS];
+ // 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 containscollisionsurfaces; // indicates whether the leafsurfaces contains q3 patches
+ int numleafsurfaces;
+ int *firstleafsurface;
+ int numleafbrushes; // q3bsp
+ int *firstleafbrush; // q3bsp
+ 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;
struct mportal_s *next; // the next portal on this leaf
mleaf_t *here; // the leaf this portal is on
mleaf_t *past; // the leaf through this portal (infront)
- mvertex_t *points;
int numpoints;
+ mvertex_t *points;
+ vec3_t mins, maxs; // culling
mplane_t plane;
- int visframe; // is this portal visible this frame?
}
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 Q2BSPVERSION 38
#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
-typedef struct
+typedef struct q2dnode_s
{
int planenum;
int children[2]; // negative numbers are -(leafs+1), not nodes
} q2dnode_t;
-typedef struct
+typedef struct q2texinfo_s
{
float vecs[2][4]; // [s/t][xyz offset]
int flags; // miptex flags + overrides
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;
//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;
}
q3dpvs_t;
+// surfaceflags from bsp
+#define Q3SURFACEFLAG_NODAMAGE 1
+#define Q3SURFACEFLAG_SLICK 2
+#define Q3SURFACEFLAG_SKY 4
+#define Q3SURFACEFLAG_LADDER 8
+#define Q3SURFACEFLAG_NOIMPACT 16
+#define Q3SURFACEFLAG_NOMARKS 32
+#define Q3SURFACEFLAG_FLESH 64
+#define Q3SURFACEFLAG_NODRAW 128
+#define Q3SURFACEFLAG_HINT 256
+#define Q3SURFACEFLAG_SKIP 512
+#define Q3SURFACEFLAG_NOLIGHTMAP 1024
+#define Q3SURFACEFLAG_POINTLIGHT 2048
+#define Q3SURFACEFLAG_METALSTEPS 4096
+#define Q3SURFACEFLAG_NOSTEPS 8192
+#define Q3SURFACEFLAG_NONSOLID 16384
+#define Q3SURFACEFLAG_LIGHTFILTER 32768
+#define Q3SURFACEFLAG_ALPHASHADOW 65536
+#define Q3SURFACEFLAG_NODLIGHT 131072
+#define Q3SURFACEFLAG_DUST 262144
+
+// surfaceparms from shaders
+#define Q3SURFACEPARM_ALPHASHADOW 1
+#define Q3SURFACEPARM_AREAPORTAL 2
+#define Q3SURFACEPARM_CLUSTERPORTAL 4
+#define Q3SURFACEPARM_DETAIL 8
+#define Q3SURFACEPARM_DONOTENTER 16
+#define Q3SURFACEPARM_FOG 32
+#define Q3SURFACEPARM_LAVA 64
+#define Q3SURFACEPARM_LIGHTFILTER 128
+#define Q3SURFACEPARM_METALSTEPS 256
+#define Q3SURFACEPARM_NODAMAGE 512
+#define Q3SURFACEPARM_NODLIGHT 1024
+#define Q3SURFACEPARM_NODRAW 2048
+#define Q3SURFACEPARM_NODROP 4096
+#define Q3SURFACEPARM_NOIMPACT 8192
+#define Q3SURFACEPARM_NOLIGHTMAP 16384
+#define Q3SURFACEPARM_NOMARKS 32768
+#define Q3SURFACEPARM_NOMIPMAPS 65536
+#define Q3SURFACEPARM_NONSOLID 131072
+#define Q3SURFACEPARM_ORIGIN 262144
+#define Q3SURFACEPARM_PLAYERCLIP 524288
+#define Q3SURFACEPARM_SKY 1048576
+#define Q3SURFACEPARM_SLICK 2097152
+#define Q3SURFACEPARM_SLIME 4194304
+#define Q3SURFACEPARM_STRUCTURAL 8388608
+#define Q3SURFACEPARM_TRANS 16777216
+#define Q3SURFACEPARM_WATER 33554432
+#define Q3SURFACEPARM_POINTLIGHT 67108864
+#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 texture_s *texture;
+}
+q3mbrush_t;
+
+typedef struct q3mbrushside_s
+{
+ struct mplane_s *plane;
+ struct texture_s *texture;
+}
+q3mbrushside_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)
+
#endif
projects / xonotic / darkplaces.git / blobdiff