#define SHADERSTAGE_SKY 0
#define SHADERSTAGE_NORMAL 1
-#define SHADERSTAGE_BASELIGHTING 2
-#define SHADERSTAGE_COUNT 3
-
-#define SHADERFLAGS_NEEDLIGHTMAP 1
+#define SHADERSTAGE_COUNT 2
#define SURF_PLANEBACK 2
#define SURF_DRAWSKY 4
#define SURF_DRAWNOALPHA 0x100
#define SURF_DRAWFULLBRIGHT 0x200
#define SURF_LIGHTBOTHSIDES 0x400
-#define SURF_CLIPSOLID 0x800 // this polygon can obscure other polygons
-#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
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, const struct msurface_s *firstsurf);
- int flags;
-}
-Cshader_t;
-
-extern Cshader_t Cshader_wall_lightmap;
-extern Cshader_t Cshader_water;
-extern Cshader_t Cshader_sky;
typedef struct texture_s
{
// SURF_ flags
unsigned int flags;
+ // position in the model's textures array
+ int number;
+
// type of rendering (SURFRENDER_ value)
int rendertype;
- // base texture without fullbrights, never NULL
- rtexture_t *texture;
- // fullbrights texture, NULL if no fullbrights used
- rtexture_t *glowtexture;
- // alpha texture (used for fogging), NULL if opaque
- rtexture_t *fogtexture;
- // detail texture (usually not used if transparent)
- rtexture_t *detailtexture;
-
- // shader to use for this texture
- Cshader_t *shader;
+ // loaded the same as model skins
+ skinframe_t skin;
// total frames in sequence and alternate sequence
int anim_total[2];
// set if animated or there is an alternate frame set
// (this is an optimization in the renderer)
int animated;
- // the current texture frames in animation
- // (index with entity frame != 0)
- struct texture_s *currentframe[2];
+ // the current texture frame in animation
+ struct texture_s *currentframe;
+ // current alpha of the texture
+ float currentalpha;
}
texture_t;
// LordHavoc: replaces glpoly, triangle mesh
typedef struct surfmesh_s
{
- // can be multiple meshs per surface
- struct surfmesh_s *chain;
- int numverts;
- int numtriangles;
- float *verts;
- float *svectors;
- float *tvectors;
- float *normals;
- int *lightmapoffsets;
- float *str;
- float *uvw;
- float *abc;
- int *index;
- int *triangleneighbors;
+ 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
{
- // surface number, to avoid having to do a divide to find the number of a surface from it's address
- int number;
- // 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;
+ // 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;
- // rendering chain
- struct msurface_s *texturechain;
+ // texture mapping properties used by this surface
+ mtexinfo_t *texinfo;
- // look up in model->surfedges[], negative numbers are backwards edges
- int firstedge;
- int numedges;
+ // 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;
- short texturemins[2];
- short extents[2];
+ // 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;
- mtexinfo_t *texinfo;
- texture_t *currenttexture; // updated (animated) during early surface processing each frame
+ // 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];
qbyte *samples;
// stain to apply on lightmap (soot/dirt/blood/whatever)
qbyte *stainsamples;
-
- // these fields are generated during model loading
- // the lightmap texture fragment to use on the surface
- rtexture_t *lightmaptexture;
// the stride when building lightmaps to comply with fragment update
int lightmaptexturestride;
- // mesh for rendering
- surfmesh_t *mesh;
+ 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;
- // bounding box for onscreen checks, and center for sorting
- vec3_t poly_mins, poly_maxs, poly_center;
- // bounding sphere radius (around poly_center)
- float poly_radius, poly_radius2;
+
+ // index into model->brush.shadowmesh
+ int num_firstshadowmeshtriangle;
// neighboring surfaces (one per poly_numverts)
- struct msurface_s **neighborsurfaces;
+ //struct msurface_s **neighborsurfaces;
+ // currently used only for generating static shadow volumes
+ int lighttemp_castshadow;
- // these are regenerated every frame
- // lighting info
- int dlightframe;
- int dlightbits[8];
- // avoid redundent addition of dlights
- int lightframe;
- // only render each surface once
- //int worldnodeframe;
-
- // these cause lightmap updates if regenerated
- // values currently used in lightmap
- unsigned short cached_light[MAXLIGHTMAPS];
- // if lightmap was lit by dynamic lights, force update on next frame
- short cached_dlight;
- // to cause lightmap to be rerendered when v_overbrightbits changes
- short cached_lightmapscalebit;
- // rerender lightmaps when r_ambient changes
- float cached_ambient;
+ // avoid redundent surface shadows
+ int shadowmark;
}
msurface_t;
vec3_t mins;
vec3_t maxs;
+ mplane_t *plane; // != NULL
// node specific
- mplane_t *plane;
struct mnode_s *children[2];
unsigned short firstsurface;
vec3_t mins;
vec3_t maxs;
+ mplane_t *plane; // == NULL
// leaf specific
- // potentially visible if current (r_pvsframecount)
+ // 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;
- qbyte *compressed_vis;
+ // -1 is not in pvs, >= 0 is pvs bit number
+ int clusterindex;
int *firstmarksurface;
int nummarksurfaces;
// maximum extent of the light for culling purposes
float cullradius;
float cullradius2;
+ /*
// surfaces this shines on
int numsurfaces;
msurface_t **surfaces;
//svbspmesh_t *shadowvolume;
//vec3_t shadowvolumemins, shadowvolumemaxs;
shadowmesh_t *shadowvolume;
+ */
}
mlight_t;
extern texture_t r_notexture_mip;
struct model_s;
-void Mod_LoadBrushModel (struct model_s *mod, void *buffer);
+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);
-void Mod_FindNonSolidLocation(vec3_t pos, struct model_s *mod);
-mleaf_t *Mod_PointInLeaf (const float *p, struct model_s *model);
-int Mod_PointContents (const float *p, struct model_s *model);
-qbyte *Mod_LeafPVS (mleaf_t *leaf, struct model_s *model);
+// Q2 bsp stuff
+
+#define Q2BSPVERSION 38
+
+// leaffaces, leafbrushes, planes, and verts are still bounded by
+// 16 bit short limits
+
+//=============================================================================
+
+#define Q2LUMP_ENTITIES 0
+#define Q2LUMP_PLANES 1
+#define Q2LUMP_VERTEXES 2
+#define Q2LUMP_VISIBILITY 3
+#define Q2LUMP_NODES 4
+#define Q2LUMP_TEXINFO 5
+#define Q2LUMP_FACES 6
+#define Q2LUMP_LIGHTING 7
+#define Q2LUMP_LEAFS 8
+#define Q2LUMP_LEAFFACES 9
+#define Q2LUMP_LEAFBRUSHES 10
+#define Q2LUMP_EDGES 11
+#define Q2LUMP_SURFEDGES 12
+#define Q2LUMP_MODELS 13
+#define Q2LUMP_BRUSHES 14
+#define Q2LUMP_BRUSHSIDES 15
+#define Q2LUMP_POP 16
+#define Q2LUMP_AREAS 17
+#define Q2LUMP_AREAPORTALS 18
+#define Q2HEADER_LUMPS 19
+
+typedef struct
+{
+ int ident;
+ int version;
+ lump_t lumps[HEADER_LUMPS];
+} q2dheader_t;
+
+typedef struct
+{
+ float mins[3], maxs[3];
+ float origin[3]; // for sounds or lights
+ int headnode;
+ int firstface, numfaces; // submodels just draw faces
+ // without walking the bsp tree
+} q2dmodel_t;
+
+// planes (x&~1) and (x&~1)+1 are always opposites
+
+// contents flags are seperate bits
+// a given brush can contribute multiple content bits
+// multiple brushes can be in a single leaf
+
+// these definitions also need to be in q_shared.h!
+
+// lower bits are stronger, and will eat weaker brushes completely
+#define Q2CONTENTS_SOLID 1 // an eye is never valid in a solid
+#define Q2CONTENTS_WINDOW 2 // translucent, but not watery
+#define Q2CONTENTS_AUX 4
+#define Q2CONTENTS_LAVA 8
+#define Q2CONTENTS_SLIME 16
+#define Q2CONTENTS_WATER 32
+#define Q2CONTENTS_MIST 64
+#define Q2LAST_VISIBLE_CONTENTS 64
+
+// remaining contents are non-visible, and don't eat brushes
+
+#define Q2CONTENTS_AREAPORTAL 0x8000
+
+#define Q2CONTENTS_PLAYERCLIP 0x10000
+#define Q2CONTENTS_MONSTERCLIP 0x20000
+
+// currents can be added to any other contents, and may be mixed
+#define Q2CONTENTS_CURRENT_0 0x40000
+#define Q2CONTENTS_CURRENT_90 0x80000
+#define Q2CONTENTS_CURRENT_180 0x100000
+#define Q2CONTENTS_CURRENT_270 0x200000
+#define Q2CONTENTS_CURRENT_UP 0x400000
+#define Q2CONTENTS_CURRENT_DOWN 0x800000
+
+#define Q2CONTENTS_ORIGIN 0x1000000 // removed before bsping an entity
+
+#define Q2CONTENTS_MONSTER 0x2000000 // should never be on a brush, only in game
+#define Q2CONTENTS_DEADMONSTER 0x4000000
+#define Q2CONTENTS_DETAIL 0x8000000 // brushes to be added after vis leafs
+#define Q2CONTENTS_TRANSLUCENT 0x10000000 // auto set if any surface has trans
+#define Q2CONTENTS_LADDER 0x20000000
+
+
+
+#define Q2SURF_LIGHT 0x1 // value will hold the light strength
+
+#define Q2SURF_SLICK 0x2 // effects game physics
+
+#define Q2SURF_SKY 0x4 // don't draw, but add to skybox
+#define Q2SURF_WARP 0x8 // turbulent water warp
+#define Q2SURF_TRANS33 0x10
+#define Q2SURF_TRANS66 0x20
+#define Q2SURF_FLOWING 0x40 // scroll towards angle
+#define Q2SURF_NODRAW 0x80 // don't bother referencing the texture
+
+
+
+
+typedef struct
+{
+ int planenum;
+ int children[2]; // negative numbers are -(leafs+1), not nodes
+ short mins[3]; // for frustom culling
+ short maxs[3];
+ unsigned short firstface;
+ unsigned short numfaces; // counting both sides
+} q2dnode_t;
+
+
+typedef struct
+{
+ 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)
+ int nexttexinfo; // for animations, -1 = end of chain
+} q2texinfo_t;
+
+typedef struct
+{
+ int contents; // OR of all brushes (not needed?)
+
+ short cluster;
+ short area;
+
+ short mins[3]; // for frustum culling
+ short maxs[3];
+
+ unsigned short firstleafface;
+ unsigned short numleaffaces;
+
+ unsigned short firstleafbrush;
+ unsigned short numleafbrushes;
+} q2dleaf_t;
+
+typedef struct
+{
+ unsigned short planenum; // facing out of the leaf
+ short texinfo;
+} q2dbrushside_t;
+
+typedef struct
+{
+ int firstside;
+ int numsides;
+ int contents;
+} q2dbrush_t;
+
+
+// the visibility lump consists of a header with a count, then
+// byte offsets for the PVS and PHS of each cluster, then the raw
+// compressed bit vectors
+#define Q2DVIS_PVS 0
+#define Q2DVIS_PHS 1
+typedef struct
+{
+ int numclusters;
+ int bitofs[8][2]; // bitofs[numclusters][2]
+} q2dvis_t;
+
+// 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
+{
+ int portalnum;
+ int otherarea;
+} q2dareaportal_t;
+
+typedef struct
+{
+ int numareaportals;
+ int firstareaportal;
+} q2darea_t;
+
+
+//Q3 bsp stuff
+
+#define Q3BSPVERSION 46
+
+#define Q3LUMP_ENTITIES 0 // entities to spawn (used by server and client)
+#define Q3LUMP_TEXTURES 1 // textures used (used by faces)
+#define Q3LUMP_PLANES 2 // planes used (used by bsp nodes)
+#define Q3LUMP_NODES 3 // bsp nodes (used by bsp nodes, bsp leafs, rendering, collisions)
+#define Q3LUMP_LEAFS 4 // bsp leafs (used by bsp nodes)
+#define Q3LUMP_LEAFFACES 5 // array of ints indexing faces (used by leafs)
+#define Q3LUMP_LEAFBRUSHES 6 // array of ints indexing brushes (used by leafs)
+#define Q3LUMP_MODELS 7 // models (used by rendering, collisions)
+#define Q3LUMP_BRUSHES 8 // brushes (used by effects, collisions)
+#define Q3LUMP_BRUSHSIDES 9 // brush faces (used by brushes)
+#define Q3LUMP_VERTICES 10 // mesh vertices (used by faces)
+#define Q3LUMP_TRIANGLES 11 // mesh triangles (used by faces)
+#define Q3LUMP_EFFECTS 12 // fog (used by faces)
+#define Q3LUMP_FACES 13 // surfaces (used by leafs)
+#define Q3LUMP_LIGHTMAPS 14 // lightmap textures (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 Q3PATHLENGTH 64
+
+typedef struct
+{
+ int ident;
+ int version;
+ lump_t lumps[HEADER_LUMPS];
+} q3dheader_t;
+
+typedef struct
+{
+ char name[Q3PATHLENGTH];
+ int surfaceflags;
+ int contents;
+}
+q3dtexture_t;
+
+// note: planes are paired, the pair of planes with i and i ^ 1 are opposites.
+typedef struct
+{
+ float normal[3];
+ float dist;
+}
+q3dplane_t;
+
+typedef struct
+{
+ int planeindex;
+ int childrenindex[2];
+ int mins[3];
+ int maxs[3];
+}
+q3dnode_t;
+
+typedef struct
+{
+ int clusterindex; // pvs index
+ int areaindex; // area index
+ int mins[3];
+ int maxs[3];
+ int firstleafface;
+ int numleaffaces;
+ int firstleafbrush;
+ int numleafbrushes;
+}
+q3dleaf_t;
+
+typedef struct
+{
+ float mins[3];
+ float maxs[3];
+ int firstface;
+ int numfaces;
+ int firstbrush;
+ int numbrushes;
+}
+q3dmodel_t;
+
+typedef struct
+{
+ int firstbrushside;
+ int numbrushsides;
+ int textureindex;
+}
+q3dbrush_t;
+
+typedef struct
+{
+ int planeindex;
+ int textureindex;
+}
+q3dbrushside_t;
+
+typedef struct
+{
+ float origin3f[3];
+ float texcoord2f[2];
+ float lightmap2f[2];
+ float normal3f[3];
+ unsigned char color4ub[4];
+}
+q3dvertex_t;
+
+typedef struct
+{
+ int offset; // first vertex index of mesh
+}
+q3dmeshvertex_t;
+
+typedef struct
+{
+ char shadername[Q3PATHLENGTH];
+ int brushindex;
+ int unknown; // I read this is always 5 except in q3dm8 which has one effect with -1
+}
+q3deffect_t;
+
+#define Q3FACETYPE_POLYGON 1 // common
+#define Q3FACETYPE_PATCH 2 // common
+#define Q3FACETYPE_MESH 3 // common
+#define Q3FACETYPE_FLARE 4 // rare (is this ever used?)
+
+typedef struct
+{
+ int textureindex;
+ int effectindex; // -1 if none
+ int type; // Q3FACETYPE
+ int firstvertex;
+ int numvertices;
+ int firstelement;
+ int numelements;
+ int lightmapindex; // -1 if none
+ int lightmap_base[2];
+ int lightmap_size[2];
+ union
+ {
+ struct
+ {
+ // corrupt or don't care
+ int blah[14];
+ }
+ unknown;
+ struct
+ {
+ // Q3FACETYPE_POLYGON
+ // polygon is simply a convex polygon, renderable as a mesh
+ float lightmap_origin[3];
+ float lightmap_vectors[2][3];
+ float normal[3];
+ int unused1[2];
+ }
+ polygon;
+ struct
+ {
+ // Q3FACETYPE_PATCH
+ // patch renders as a bezier mesh, with adjustable tesselation
+ // level (optionally based on LOD using the bbox and polygon
+ // count to choose a tesselation level)
+ // note: multiple patches may have the same bbox to cause them to
+ // be LOD adjusted together as a group
+ int unused1[3];
+ float mins[3]; // LOD bbox
+ float maxs[3]; // LOD bbox
+ int unused2[3];
+ int patchsize[2]; // dimensions of vertex grid
+ }
+ patch;
+ struct
+ {
+ // Q3FACETYPE_MESH
+ // mesh renders as simply a triangle mesh
+ int unused1[3];
+ float mins[3];
+ float maxs[3];
+ int unused2[5];
+ }
+ mesh;
+ struct
+ {
+ // Q3FACETYPE_FLARE
+ // flare renders as a simple sprite at origin, no geometry
+ // exists, nor does it have a radius, a cvar controls the radius
+ // and another cvar controls distance fade
+ // (they were not used in Q3 I'm told)
+ float origin[3];
+ int unused1[11];
+ }
+ flare;
+ }
+ specific;
+}
+q3dface_t;
+
+typedef struct
+{
+ unsigned char rgb[128*128*3];
+}
+q3dlightmap_t;
+
+typedef struct
+{
+ unsigned char ambientrgb[3];
+ unsigned char diffusergb[3];
+ unsigned char diffusepitch;
+ unsigned char diffuseyaw;
+}
+q3dlightgrid_t;
+
+typedef struct
+{
+ int numclusters;
+ int chainlength;
+ // unsigned char chains[];
+ // containing bits in 0-7 order (not 7-0 order),
+ // pvschains[mycluster * chainlength + (thatcluster >> 3)] & (1 << (thatcluster & 7))
+}
+q3dpvs_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)
#endif
projects / xonotic / darkplaces.git / blobdiff