// on the same machine.
#include "quakedef.h"
+#include "image.h"
+#include "r_shadow.h"
+
+cvar_t r_mipskins = {CVAR_SAVE, "r_mipskins", "0"};
model_t *loadmodel;
#define MAX_MOD_KNOWN 2048
static model_t mod_known[MAX_MOD_KNOWN];
-rtexture_t *r_notexture;
-rtexturepool_t *r_notexturepool;
+rtexturepool_t *mod_shared_texturepool;
+rtexture_t *r_texture_notexture;
+rtexture_t *mod_shared_detailtextures[NUM_DETAILTEXTURES];
+rtexture_t *mod_shared_distorttexture[64];
-texture_t r_surf_notexture;
+void Mod_BuildDetailTextures (void)
+{
+ int i, x, y, light;
+ float vc[3], vx[3], vy[3], vn[3], lightdir[3];
+#define DETAILRESOLUTION 256
+ qbyte data[DETAILRESOLUTION][DETAILRESOLUTION][4], noise[DETAILRESOLUTION][DETAILRESOLUTION];
+ lightdir[0] = 0.5;
+ lightdir[1] = 1;
+ lightdir[2] = -0.25;
+ VectorNormalize(lightdir);
+ for (i = 0;i < NUM_DETAILTEXTURES;i++)
+ {
+ fractalnoise(&noise[0][0], DETAILRESOLUTION, DETAILRESOLUTION >> 4);
+ for (y = 0;y < DETAILRESOLUTION;y++)
+ {
+ for (x = 0;x < DETAILRESOLUTION;x++)
+ {
+ vc[0] = x;
+ vc[1] = y;
+ vc[2] = noise[y][x] * (1.0f / 32.0f);
+ vx[0] = x + 1;
+ vx[1] = y;
+ vx[2] = noise[y][(x + 1) % DETAILRESOLUTION] * (1.0f / 32.0f);
+ vy[0] = x;
+ vy[1] = y + 1;
+ vy[2] = noise[(y + 1) % DETAILRESOLUTION][x] * (1.0f / 32.0f);
+ VectorSubtract(vx, vc, vx);
+ VectorSubtract(vy, vc, vy);
+ CrossProduct(vx, vy, vn);
+ VectorNormalize(vn);
+ light = 128 - DotProduct(vn, lightdir) * 128;
+ light = bound(0, light, 255);
+ data[y][x][0] = data[y][x][1] = data[y][x][2] = light;
+ data[y][x][3] = 255;
+ }
+ }
+ mod_shared_detailtextures[i] = R_LoadTexture2D(mod_shared_texturepool, va("detailtexture%i", i), DETAILRESOLUTION, DETAILRESOLUTION, &data[0][0][0], TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_PRECACHE, NULL);
+ }
+}
-void Mod_SetupNoTexture(void)
+qbyte Mod_MorphDistortTexture (double y0, double y1, double y2, double y3, double morph)
{
- int x, y;
- qbyte pix[16][16][4];
+ int value = (int)(((y1 + y3 - (y0 + y2)) * morph * morph * morph) +
+ ((2 * (y0 - y1) + y2 - y3) * morph * morph) +
+ ((y2 - y0) * morph) +
+ (y1));
- // this makes a light grey/dark grey checkerboard texture
- for (y = 0;y < 16;y++)
+ if (value > 255)
+ value = 255;
+ if (value < 0)
+ value = 0;
+
+ return (qbyte)value;
+}
+
+void Mod_BuildDistortTexture (void)
+{
+ int x, y, i, j;
+#define DISTORTRESOLUTION 32
+ qbyte data[5][DISTORTRESOLUTION][DISTORTRESOLUTION][2];
+
+ for (i=0; i<4; i++)
{
- for (x = 0;x < 16;x++)
+ for (y=0; y<DISTORTRESOLUTION; y++)
{
- if ((y < 8) ^ (x < 8))
+ for (x=0; x<DISTORTRESOLUTION; x++)
{
- pix[y][x][0] = 128;
- pix[y][x][1] = 128;
- pix[y][x][2] = 128;
- pix[y][x][3] = 255;
+ data[i][y][x][0] = rand () & 255;
+ data[i][y][x][1] = rand () & 255;
}
- else
+ }
+ }
+
+
+ for (i=0; i<4; i++)
+ {
+ for (j=0; j<16; j++)
+ {
+ mod_shared_distorttexture[i*16+j] = NULL;
+ if (gl_textureshader)
{
- pix[y][x][0] = 64;
- pix[y][x][1] = 64;
- pix[y][x][2] = 64;
- pix[y][x][3] = 255;
+ for (y=0; y<DISTORTRESOLUTION; y++)
+ {
+ for (x=0; x<DISTORTRESOLUTION; x++)
+ {
+ data[4][y][x][0] = Mod_MorphDistortTexture (data[(i-1)&3][y][x][0], data[i][y][x][0], data[(i+1)&3][y][x][0], data[(i+2)&3][y][x][0], 0.0625*j);
+ data[4][y][x][1] = Mod_MorphDistortTexture (data[(i-1)&3][y][x][1], data[i][y][x][1], data[(i+1)&3][y][x][1], data[(i+2)&3][y][x][1], 0.0625*j);
+ }
+ }
+ mod_shared_distorttexture[i*16+j] = R_LoadTexture2D(mod_shared_texturepool, va("distorttexture%i", i*16+j), DISTORTRESOLUTION, DISTORTRESOLUTION, &data[4][0][0][0], TEXTYPE_DSDT, TEXF_PRECACHE, NULL);
}
}
}
- r_notexturepool = R_AllocTexturePool();
- r_notexture = R_LoadTexture(r_notexturepool, "notexture", 16, 16, &pix[0][0][0], TEXTYPE_RGBA, TEXF_MIPMAP);
+ return;
}
-extern void Mod_BrushStartup (void);
-extern void Mod_BrushShutdown (void);
+void Mod_SetupNoTexture(void)
+{
+}
static void mod_start(void)
{
for (i = 0;i < MAX_MOD_KNOWN;i++)
if (mod_known[i].name[0])
Mod_UnloadModel(&mod_known[i]);
+ Mod_LoadModels();
+ mod_shared_texturepool = R_AllocTexturePool();
Mod_SetupNoTexture();
- Mod_BrushStartup();
+ Mod_BuildDetailTextures();
+ Mod_BuildDistortTexture();
}
static void mod_shutdown(void)
if (mod_known[i].name[0])
Mod_UnloadModel(&mod_known[i]);
- R_FreeTexturePool(&r_notexturepool);
- Mod_BrushShutdown();
+ R_FreeTexturePool(&mod_shared_texturepool);
}
static void mod_newmap(void)
{
+ msurface_t *surface;
+ int i, surfacenum, ssize, tsize;
+
+ if (!cl_stainmaps_clearonload.integer)
+ return;
+
+ for (i = 0;i < MAX_MOD_KNOWN;i++)
+ {
+ if (mod_known[i].name[0])
+ {
+ for (surfacenum = 0, surface = mod_known[i].brush.data_surfaces;surfacenum < mod_known[i].brush.num_surfaces;surfacenum++, surface++)
+ {
+ if (surface->lightmapinfo && surface->lightmapinfo->stainsamples)
+ {
+ ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
+ tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
+ memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
+ surface->cached_dlight = true;
+ }
+ }
+ }
+ }
}
/*
Mod_Init
===============
*/
-static void Mod_Print (void);
-static void Mod_Flush (void);
+static void Mod_Print(void);
+static void Mod_Precache (void);
void Mod_Init (void)
{
Mod_BrushInit();
Mod_AliasInit();
Mod_SpriteInit();
+ Cvar_RegisterVariable(&r_mipskins);
Cmd_AddCommand ("modellist", Mod_Print);
- Cmd_AddCommand ("modelflush", Mod_Flush);
+ Cmd_AddCommand ("modelprecache", Mod_Precache);
}
void Mod_RenderInit(void)
Mod_FreeModel(mod);
strcpy(mod->name, name);
mod->isworldmodel = isworldmodel;
- mod->needload = true;
+ mod->loaded = false;
}
/*
Loads a model
==================
*/
-static model_t *Mod_LoadModel (model_t *mod, qboolean crash, qboolean checkdisk, qboolean isworldmodel)
+static model_t *Mod_LoadModel(model_t *mod, qboolean crash, qboolean checkdisk, qboolean isworldmodel)
{
- int crc;
+ int num;
+ unsigned int crc;
void *buf;
mod->used = true;
crc = 0;
buf = NULL;
- if (!mod->needload)
+ if (mod->isworldmodel != isworldmodel)
+ mod->loaded = false;
+ if (!mod->loaded || checkdisk)
{
- if (checkdisk)
+ if (checkdisk && mod->loaded)
+ Con_DPrintf("checking model %s\n", mod->name);
+ buf = FS_LoadFile (mod->name, tempmempool, false);
+ if (buf)
{
- buf = COM_LoadFile (mod->name, false);
- if (!buf)
- {
- if (crash)
- Host_Error ("Mod_LoadModel: %s not found", mod->name); // LordHavoc: Sys_Error was *ANNOYING*
- return NULL;
- }
-
- crc = CRC_Block(buf, com_filesize);
- }
- else
- crc = mod->crc;
-
- if (mod->crc == crc && mod->isworldmodel == isworldmodel)
- {
- if (buf)
- Mem_Free(buf);
- return mod; // already loaded
+ crc = CRC_Block(buf, fs_filesize);
+ if (mod->crc != crc)
+ mod->loaded = false;
}
}
+ if (mod->loaded)
+ return mod; // already loaded
Con_DPrintf("loading model %s\n", mod->name);
-
- if (!buf)
- {
- buf = COM_LoadFile (mod->name, false);
- if (!buf)
- {
- if (crash)
- Host_Error ("Mod_LoadModel: %s not found", mod->name);
- return NULL;
- }
- crc = CRC_Block(buf, com_filesize);
- }
-
- // allocate a new model
- loadmodel = mod;
-
// LordHavoc: unload the existing model in this slot (if there is one)
Mod_UnloadModel(mod);
+
+ // load the model
mod->isworldmodel = isworldmodel;
- mod->needload = false;
mod->used = true;
mod->crc = crc;
+ // errors can prevent the corresponding mod->loaded = true;
+ mod->loaded = false;
+
+ // default model radius and bounding box (mainly for missing models)
+ mod->radius = 16;
+ VectorSet(mod->normalmins, -mod->radius, -mod->radius, -mod->radius);
+ VectorSet(mod->normalmaxs, mod->radius, mod->radius, mod->radius);
+ VectorSet(mod->yawmins, -mod->radius, -mod->radius, -mod->radius);
+ VectorSet(mod->yawmaxs, mod->radius, mod->radius, mod->radius);
+ VectorSet(mod->rotatedmins, -mod->radius, -mod->radius, -mod->radius);
+ VectorSet(mod->rotatedmaxs, mod->radius, mod->radius, mod->radius);
// all models use memory, so allocate a memory pool
- mod->mempool = Mem_AllocPool(mod->name);
+ mod->mempool = Mem_AllocPool(mod->name, 0, NULL);
// all models load textures, so allocate a texture pool
if (cls.state != ca_dedicated)
mod->texturepool = R_AllocTexturePool();
- // call the apropriate loader
- if (!memcmp(buf, "IDPO" , 4)) Mod_LoadAliasModel (mod, buf);
- else if (!memcmp(buf, "IDP2" , 4)) Mod_LoadQ2AliasModel(mod, buf);
- else if (!memcmp(buf, "ZYMOTIC" , 7)) Mod_LoadZymoticModel(mod, buf);
- else if (!memcmp(buf, "IDSP" , 4)) Mod_LoadSpriteModel (mod, buf);
- else Mod_LoadBrushModel (mod, buf);
-
- Mem_Free(buf);
+ if (buf)
+ {
+ num = LittleLong(*((int *)buf));
+ // call the apropriate loader
+ loadmodel = mod;
+ if (!memcmp(buf, "IDPO", 4)) Mod_IDP0_Load(mod, buf);
+ else if (!memcmp(buf, "IDP2", 4)) Mod_IDP2_Load(mod, buf);
+ else if (!memcmp(buf, "IDP3", 4)) Mod_IDP3_Load(mod, buf);
+ else if (!memcmp(buf, "IDSP", 4)) Mod_IDSP_Load(mod, buf);
+ else if (!memcmp(buf, "IDS2", 4)) Mod_IDS2_Load(mod, buf);
+ else if (!memcmp(buf, "IBSP", 4)) Mod_IBSP_Load(mod, buf);
+ else if (!memcmp(buf, "ZYMOTICMODEL", 12)) Mod_ZYMOTICMODEL_Load(mod, buf);
+ else if (strlen(mod->name) >= 4 && !strcmp(mod->name - 4, ".map")) Mod_MAP_Load(mod, buf);
+ else if (num == BSPVERSION || num == 30) Mod_Q1BSP_Load(mod, buf);
+ else Host_Error("Mod_LoadModel: model \"%s\" is of unknown/unsupported type\n", mod->name);
+ Mem_Free(buf);
+ }
+ else if (crash)
+ {
+ // LordHavoc: Sys_Error was *ANNOYING*
+ Con_Printf ("Mod_LoadModel: %s not found\n", mod->name);
+ }
+ // no errors occurred
+ mod->loaded = true;
return mod;
}
-void Mod_CheckLoaded (model_t *mod)
+void Mod_CheckLoaded(model_t *mod)
{
if (mod)
{
- if (mod->needload)
+ if (!mod->loaded)
Mod_LoadModel(mod, true, true, mod->isworldmodel);
else
{
- if (mod->type == mod_invalid)
- Host_Error("Mod_CheckLoaded: invalid model\n");
+ //if (mod->type == mod_invalid)
+ // Host_Error("Mod_CheckLoaded: invalid model\n");
mod->used = true;
return;
}
Mod_ClearAll
===================
*/
-void Mod_ClearAll (void)
+void Mod_ClearAll(void)
{
}
Mod_FreeModel(mod);
}
+// only used during loading!
+void Mod_RemoveStaleWorldModels(model_t *skip)
+{
+ int i;
+ for (i = 0;i < MAX_MOD_KNOWN;i++)
+ if (mod_known[i].isworldmodel && skip != &mod_known[i])
+ Mod_UnloadModel(mod_known + i);
+}
+
+void Mod_LoadModels(void)
+{
+ int i;
+ model_t *mod;
+
+ for (i = 0, mod = mod_known;i < MAX_MOD_KNOWN;i++, mod++)
+ if (mod->name[0])
+ if (mod->used)
+ Mod_CheckLoaded(mod);
+}
+
/*
==================
Mod_FindName
==================
*/
-model_t *Mod_FindName (char *name)
+model_t *Mod_FindName(const char *name)
{
int i;
model_t *mod, *freemod;
{
mod = freemod;
strcpy (mod->name, name);
- mod->needload = true;
+ mod->loaded = false;
mod->used = true;
return mod;
}
return NULL;
}
-/*
-==================
-Mod_TouchModel
-
-==================
-*/
-void Mod_TouchModel (char *name)
-{
- model_t *mod;
-
- mod = Mod_FindName (name);
- mod->used = true;
-}
-
/*
==================
Mod_ForName
Loads in a model for the given name
==================
*/
-model_t *Mod_ForName (char *name, qboolean crash, qboolean checkdisk, qboolean isworldmodel)
+model_t *Mod_ForName(const char *name, qboolean crash, qboolean checkdisk, qboolean isworldmodel)
{
- return Mod_LoadModel (Mod_FindName (name), crash, checkdisk, isworldmodel);
+ return Mod_LoadModel(Mod_FindName(name), crash, checkdisk, isworldmodel);
}
qbyte *mod_base;
Mod_Print
================
*/
-static void Mod_Print (void)
+static void Mod_Print(void)
{
int i;
model_t *mod;
- Con_Printf ("Loaded models:\n");
+ Con_Print("Loaded models:\n");
for (i = 0, mod = mod_known;i < MAX_MOD_KNOWN;i++, mod++)
if (mod->name[0])
- Con_Printf ("%4iK %s\n", mod->mempool ? (mod->mempool->totalsize + 1023) / 1024 : 0, mod->name);
+ Con_Printf("%4iK %s\n", mod->mempool ? (mod->mempool->totalsize + 1023) / 1024 : 0, mod->name);
}
-static void Mod_Flush (void)
+/*
+================
+Mod_Precache
+================
+*/
+static void Mod_Precache(void)
{
- int i;
+ if (Cmd_Argc() == 2)
+ Mod_ForName(Cmd_Argv(1), false, true, cl.worldmodel && !strcasecmp(Cmd_Argv(1), cl.worldmodel->name));
+ else
+ Con_Print("usage: modelprecache <filename>\n");
+}
- Con_Printf ("Unloading models\n");
- for (i = 0;i < MAX_MOD_KNOWN;i++)
- if (mod_known[i].name[0])
- Mod_UnloadModel(&mod_known[i]);
+int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices)
+{
+ int i, count;
+ qbyte *used;
+ used = Mem_Alloc(tempmempool, numvertices);
+ memset(used, 0, numvertices);
+ for (i = 0;i < numelements;i++)
+ used[elements[i]] = 1;
+ for (i = 0, count = 0;i < numvertices;i++)
+ remapvertices[i] = used[i] ? count++ : -1;
+ Mem_Free(used);
+ return count;
+}
+
+#if 1
+// fast way, using an edge hash
+#define TRIANGLEEDGEHASH 16384
+void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles)
+{
+ int i, j, p, e1, e2, *n, hashindex, count, match;
+ const int *e;
+ typedef struct edgehashentry_s
+ {
+ struct edgehashentry_s *next;
+ int triangle;
+ int element[2];
+ }
+ edgehashentry_t;
+ edgehashentry_t *edgehash[TRIANGLEEDGEHASH], *edgehashentries, edgehashentriesbuffer[TRIANGLEEDGEHASH*3], *hash;
+ memset(edgehash, 0, sizeof(edgehash));
+ edgehashentries = edgehashentriesbuffer;
+ // if there are too many triangles for the stack array, allocate larger buffer
+ if (numtriangles > TRIANGLEEDGEHASH)
+ edgehashentries = Mem_Alloc(tempmempool, numtriangles * 3 * sizeof(edgehashentry_t));
+ // find neighboring triangles
+ for (i = 0, e = elements, n = neighbors;i < numtriangles;i++, e += 3, n += 3)
+ {
+ for (j = 0, p = 2;j < 3;p = j, j++)
+ {
+ e1 = e[p];
+ e2 = e[j];
+ // this hash index works for both forward and backward edges
+ hashindex = (unsigned int)(e1 + e2) % TRIANGLEEDGEHASH;
+ hash = edgehashentries + i * 3 + j;
+ hash->next = edgehash[hashindex];
+ edgehash[hashindex] = hash;
+ hash->triangle = i;
+ hash->element[0] = e1;
+ hash->element[1] = e2;
+ }
+ }
+ for (i = 0, e = elements, n = neighbors;i < numtriangles;i++, e += 3, n += 3)
+ {
+ for (j = 0, p = 2;j < 3;p = j, j++)
+ {
+ e1 = e[p];
+ e2 = e[j];
+ // this hash index works for both forward and backward edges
+ hashindex = (unsigned int)(e1 + e2) % TRIANGLEEDGEHASH;
+ count = 0;
+ match = -1;
+ for (hash = edgehash[hashindex];hash;hash = hash->next)
+ {
+ if (hash->element[0] == e2 && hash->element[1] == e1)
+ {
+ if (hash->triangle != i)
+ match = hash->triangle;
+ count++;
+ }
+ else if ((hash->element[0] == e1 && hash->element[1] == e2))
+ count++;
+ }
+ // detect edges shared by three triangles and make them seams
+ if (count > 2)
+ match = -1;
+ n[p] = match;
+ }
+ }
+ // free the allocated buffer
+ if (edgehashentries != edgehashentriesbuffer)
+ Mem_Free(edgehashentries);
+}
+#else
+// very slow but simple way
+static int Mod_FindTriangleWithEdge(const int *elements, int numtriangles, int start, int end, int ignore)
+{
+ int i, match, count;
+ count = 0;
+ match = -1;
+ for (i = 0;i < numtriangles;i++, elements += 3)
+ {
+ if ((elements[0] == start && elements[1] == end)
+ || (elements[1] == start && elements[2] == end)
+ || (elements[2] == start && elements[0] == end))
+ {
+ if (i != ignore)
+ match = i;
+ count++;
+ }
+ else if ((elements[1] == start && elements[0] == end)
+ || (elements[2] == start && elements[1] == end)
+ || (elements[0] == start && elements[2] == end))
+ count++;
+ }
+ // detect edges shared by three triangles and make them seams
+ if (count > 2)
+ match = -1;
+ return match;
+}
+
+void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles)
+{
+ int i, *n;
+ const int *e;
+ for (i = 0, e = elements, n = neighbors;i < numtriangles;i++, e += 3, n += 3)
+ {
+ n[0] = Mod_FindTriangleWithEdge(elements, numtriangles, e[1], e[0], i);
+ n[1] = Mod_FindTriangleWithEdge(elements, numtriangles, e[2], e[1], i);
+ n[2] = Mod_FindTriangleWithEdge(elements, numtriangles, e[0], e[2], i);
+ }
+}
+#endif
+
+void Mod_ValidateElements(const int *elements, int numtriangles, int numverts, const char *filename, int fileline)
+{
+ int i;
+ for (i = 0;i < numtriangles * 3;i++)
+ if ((unsigned int)elements[i] >= (unsigned int)numverts)
+ Con_Printf("Mod_ValidateElements: out of bounds element detected at %s:%d\n", filename, fileline);
+}
+
+// warning: this is an expensive function!
+void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f)
+{
+ int i, tnum;
+ float normal[3], *v;
+ const int *e;
+ // clear the vectors
+ memset(normal3f + 3 * firstvertex, 0, numvertices * sizeof(float[3]));
+ // process each vertex of each triangle and accumulate the results
+ for (tnum = 0, e = elements;tnum < numtriangles;tnum++, e += 3)
+ {
+ TriangleNormal(vertex3f + e[0] * 3, vertex3f + e[1] * 3, vertex3f + e[2] * 3, normal);
+ VectorNormalize(normal);
+ v = normal3f + e[0] * 3;
+ v[0] += normal[0];
+ v[1] += normal[1];
+ v[2] += normal[2];
+ v = normal3f + e[1] * 3;
+ v[0] += normal[0];
+ v[1] += normal[1];
+ v[2] += normal[2];
+ v = normal3f + e[2] * 3;
+ v[0] += normal[0];
+ v[1] += normal[1];
+ v[2] += normal[2];
+ }
+ // now we could divide the vectors by the number of averaged values on
+ // each vertex... but instead normalize them
+ for (i = 0, v = normal3f + 3 * firstvertex;i < numvertices;i++, v += 3)
+ VectorNormalize(v);
+}
+
+void Mod_BuildBumpVectors(const float *v0, const float *v1, const float *v2, const float *tc0, const float *tc1, const float *tc2, float *svector3f, float *tvector3f, float *normal3f)
+{
+ float f, tangentcross[3], v10[3], v20[3], tc10[2], tc20[2];
+ // 103 add/sub/negate/multiply (1 cycle), 3 divide (20 cycle), 3 sqrt (22 cycle), 4 compare (3 cycle?), total cycles not counting load/store/exchange roughly 241 cycles
+ // 12 add, 28 subtract, 57 multiply, 3 divide, 3 sqrt, 4 compare, 50% chance of 6 negates
+
+ // 6 multiply, 9 subtract
+ VectorSubtract(v1, v0, v10);
+ VectorSubtract(v2, v0, v20);
+ normal3f[0] = v10[1] * v20[2] - v10[2] * v20[1];
+ normal3f[1] = v10[2] * v20[0] - v10[0] * v20[2];
+ normal3f[2] = v10[0] * v20[1] - v10[1] * v20[0];
+ // 1 sqrt, 1 divide, 6 multiply, 2 add, 1 compare
+ VectorNormalize(normal3f);
+ // 12 multiply, 10 subtract
+ tc10[1] = tc1[1] - tc0[1];
+ tc20[1] = tc2[1] - tc0[1];
+ svector3f[0] = tc10[1] * v20[0] - tc20[1] * v10[0];
+ svector3f[1] = tc10[1] * v20[1] - tc20[1] * v10[1];
+ svector3f[2] = tc10[1] * v20[2] - tc20[1] * v10[2];
+ tc10[0] = tc1[0] - tc0[0];
+ tc20[0] = tc2[0] - tc0[0];
+ tvector3f[0] = tc10[0] * v20[0] - tc20[0] * v10[0];
+ tvector3f[1] = tc10[0] * v20[1] - tc20[0] * v10[1];
+ tvector3f[2] = tc10[0] * v20[2] - tc20[0] * v10[2];
+ // 12 multiply, 4 add, 6 subtract
+ f = DotProduct(svector3f, normal3f);
+ svector3f[0] -= f * normal3f[0];
+ svector3f[1] -= f * normal3f[1];
+ svector3f[2] -= f * normal3f[2];
+ f = DotProduct(tvector3f, normal3f);
+ tvector3f[0] -= f * normal3f[0];
+ tvector3f[1] -= f * normal3f[1];
+ tvector3f[2] -= f * normal3f[2];
+ // 2 sqrt, 2 divide, 12 multiply, 4 add, 2 compare
+ VectorNormalize(svector3f);
+ VectorNormalize(tvector3f);
+ // if texture is mapped the wrong way (counterclockwise), the tangents
+ // have to be flipped, this is detected by calculating a normal from the
+ // two tangents, and seeing if it is opposite the surface normal
+ // 9 multiply, 2 add, 3 subtract, 1 compare, 50% chance of: 6 negates
+ CrossProduct(tvector3f, svector3f, tangentcross);
+ if (DotProduct(tangentcross, normal3f) < 0)
+ {
+ VectorNegate(svector3f, svector3f);
+ VectorNegate(tvector3f, tvector3f);
+ }
+}
+
+// warning: this is a very expensive function!
+void Mod_BuildTextureVectorsAndNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const float *texcoord2f, const int *elements, float *svector3f, float *tvector3f, float *normal3f)
+{
+ int i, tnum;
+ float sdir[3], tdir[3], normal[3], *v;
+ const int *e;
+ // clear the vectors
+ if (svector3f)
+ memset(svector3f + 3 * firstvertex, 0, numvertices * sizeof(float[3]));
+ if (tvector3f)
+ memset(tvector3f + 3 * firstvertex, 0, numvertices * sizeof(float[3]));
+ if (normal3f)
+ memset(normal3f + 3 * firstvertex, 0, numvertices * sizeof(float[3]));
+ // process each vertex of each triangle and accumulate the results
+ for (tnum = 0, e = elements;tnum < numtriangles;tnum++, e += 3)
+ {
+ Mod_BuildBumpVectors(vertex3f + e[0] * 3, vertex3f + e[1] * 3, vertex3f + e[2] * 3, texcoord2f + e[0] * 2, texcoord2f + e[1] * 2, texcoord2f + e[2] * 2, sdir, tdir, normal);
+ if (svector3f)
+ {
+ for (i = 0;i < 3;i++)
+ {
+ svector3f[e[i]*3 ] += sdir[0];
+ svector3f[e[i]*3+1] += sdir[1];
+ svector3f[e[i]*3+2] += sdir[2];
+ }
+ }
+ if (tvector3f)
+ {
+ for (i = 0;i < 3;i++)
+ {
+ tvector3f[e[i]*3 ] += tdir[0];
+ tvector3f[e[i]*3+1] += tdir[1];
+ tvector3f[e[i]*3+2] += tdir[2];
+ }
+ }
+ if (normal3f)
+ {
+ for (i = 0;i < 3;i++)
+ {
+ normal3f[e[i]*3 ] += normal[0];
+ normal3f[e[i]*3+1] += normal[1];
+ normal3f[e[i]*3+2] += normal[2];
+ }
+ }
+ }
+ // now we could divide the vectors by the number of averaged values on
+ // each vertex... but instead normalize them
+ // 4 assignments, 1 divide, 1 sqrt, 2 adds, 6 multiplies
+ if (svector3f)
+ for (i = 0, v = svector3f + 3 * firstvertex;i < numvertices;i++, v += 3)
+ VectorNormalize(v);
+ // 4 assignments, 1 divide, 1 sqrt, 2 adds, 6 multiplies
+ if (tvector3f)
+ for (i = 0, v = tvector3f + 3 * firstvertex;i < numvertices;i++, v += 3)
+ VectorNormalize(v);
+ // 4 assignments, 1 divide, 1 sqrt, 2 adds, 6 multiplies
+ if (normal3f)
+ for (i = 0, v = normal3f + 3 * firstvertex;i < numvertices;i++, v += 3)
+ VectorNormalize(v);
+}
+
+surfmesh_t *Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean detailtexcoords, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors)
+{
+ surfmesh_t *mesh;
+ qbyte *data;
+ mesh = Mem_Alloc(mempool, sizeof(surfmesh_t) + numvertices * (3 + 3 + 3 + 3 + 2 + 2 + (detailtexcoords ? 2 : 0) + (vertexcolors ? 4 : 0)) * sizeof(float) + numvertices * (lightmapoffsets ? 1 : 0) * sizeof(int) + numtriangles * (3 + 3 + (neighbors ? 3 : 0)) * sizeof(int));
+ mesh->num_vertices = numvertices;
+ mesh->num_triangles = numtriangles;
+ data = (qbyte *)(mesh + 1);
+ if (mesh->num_vertices)
+ {
+ mesh->data_vertex3f = (float *)data, data += sizeof(float[3]) * mesh->num_vertices;
+ mesh->data_svector3f = (float *)data, data += sizeof(float[3]) * mesh->num_vertices;
+ mesh->data_tvector3f = (float *)data, data += sizeof(float[3]) * mesh->num_vertices;
+ mesh->data_normal3f = (float *)data, data += sizeof(float[3]) * mesh->num_vertices;
+ mesh->data_texcoordtexture2f = (float *)data, data += sizeof(float[2]) * mesh->num_vertices;
+ mesh->data_texcoordlightmap2f = (float *)data, data += sizeof(float[2]) * mesh->num_vertices;
+ if (detailtexcoords)
+ mesh->data_texcoorddetail2f = (float *)data, data += sizeof(float[2]) * mesh->num_vertices;
+ if (vertexcolors)
+ mesh->data_lightmapcolor4f = (float *)data, data += sizeof(float[4]) * mesh->num_vertices;
+ if (lightmapoffsets)
+ mesh->data_lightmapoffsets = (int *)data, data += sizeof(int) * mesh->num_vertices;
+ }
+ if (mesh->num_triangles)
+ {
+ mesh->data_element3i = (int *)data, data += sizeof(int[3]) * mesh->num_triangles;
+ mesh->data_element3i = (int *)data, data += sizeof(int[3]) * mesh->num_triangles;
+ if (neighbors)
+ mesh->data_neighbor3i = (int *)data, data += sizeof(int[3]) * mesh->num_triangles;
+ }
+ return mesh;
+}
+
+shadowmesh_t *Mod_ShadowMesh_Alloc(mempool_t *mempool, int maxverts, int maxtriangles, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, int light, int neighbors, int expandable)
+{
+ shadowmesh_t *newmesh;
+ qbyte *data;
+ int size;
+ size = sizeof(shadowmesh_t);
+ size += maxverts * sizeof(float[3]);
+ if (light)
+ size += maxverts * sizeof(float[11]);
+ size += maxtriangles * sizeof(int[3]);
+ if (neighbors)
+ size += maxtriangles * sizeof(int[3]);
+ if (expandable)
+ size += SHADOWMESHVERTEXHASH * sizeof(shadowmeshvertexhash_t *) + maxverts * sizeof(shadowmeshvertexhash_t);
+ data = Mem_Alloc(mempool, size);
+ newmesh = (void *)data;data += sizeof(*newmesh);
+ newmesh->map_diffuse = map_diffuse;
+ newmesh->map_specular = map_specular;
+ newmesh->map_normal = map_normal;
+ newmesh->maxverts = maxverts;
+ newmesh->maxtriangles = maxtriangles;
+ newmesh->numverts = 0;
+ newmesh->numtriangles = 0;
+
+ newmesh->vertex3f = (void *)data;data += maxverts * sizeof(float[3]);
+ if (light)
+ {
+ newmesh->svector3f = (void *)data;data += maxverts * sizeof(float[3]);
+ newmesh->tvector3f = (void *)data;data += maxverts * sizeof(float[3]);
+ newmesh->normal3f = (void *)data;data += maxverts * sizeof(float[3]);
+ newmesh->texcoord2f = (void *)data;data += maxverts * sizeof(float[2]);
+ }
+ newmesh->element3i = (void *)data;data += maxtriangles * sizeof(int[3]);
+ if (neighbors)
+ {
+ newmesh->neighbor3i = (void *)data;data += maxtriangles * sizeof(int[3]);
+ }
+ if (expandable)
+ {
+ newmesh->vertexhashtable = (void *)data;data += SHADOWMESHVERTEXHASH * sizeof(shadowmeshvertexhash_t *);
+ newmesh->vertexhashentries = (void *)data;data += maxverts * sizeof(shadowmeshvertexhash_t);
+ }
+ return newmesh;
+}
+
+shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors)
+{
+ shadowmesh_t *newmesh;
+ newmesh = Mod_ShadowMesh_Alloc(mempool, oldmesh->numverts, oldmesh->numtriangles, oldmesh->map_diffuse, oldmesh->map_specular, oldmesh->map_normal, light, neighbors, false);
+ newmesh->numverts = oldmesh->numverts;
+ newmesh->numtriangles = oldmesh->numtriangles;
+
+ memcpy(newmesh->vertex3f, oldmesh->vertex3f, oldmesh->numverts * sizeof(float[3]));
+ if (newmesh->svector3f && oldmesh->svector3f)
+ {
+ memcpy(newmesh->svector3f, oldmesh->svector3f, oldmesh->numverts * sizeof(float[3]));
+ memcpy(newmesh->tvector3f, oldmesh->tvector3f, oldmesh->numverts * sizeof(float[3]));
+ memcpy(newmesh->normal3f, oldmesh->normal3f, oldmesh->numverts * sizeof(float[3]));
+ memcpy(newmesh->texcoord2f, oldmesh->texcoord2f, oldmesh->numverts * sizeof(float[2]));
+ }
+ memcpy(newmesh->element3i, oldmesh->element3i, oldmesh->numtriangles * sizeof(int[3]));
+ if (newmesh->neighbor3i && oldmesh->neighbor3i)
+ memcpy(newmesh->neighbor3i, oldmesh->neighbor3i, oldmesh->numtriangles * sizeof(int[3]));
+ return newmesh;
+}
+
+int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f)
+{
+ int hashindex, vnum;
+ shadowmeshvertexhash_t *hash;
+ // this uses prime numbers intentionally
+ hashindex = (unsigned int) (vertex14f[0] * 3 + vertex14f[1] * 5 + vertex14f[2] * 7) % SHADOWMESHVERTEXHASH;
+ for (hash = mesh->vertexhashtable[hashindex];hash;hash = hash->next)
+ {
+ vnum = (hash - mesh->vertexhashentries);
+ if ((mesh->vertex3f == NULL || (mesh->vertex3f[vnum * 3 + 0] == vertex14f[0] && mesh->vertex3f[vnum * 3 + 1] == vertex14f[1] && mesh->vertex3f[vnum * 3 + 2] == vertex14f[2]))
+ && (mesh->svector3f == NULL || (mesh->svector3f[vnum * 3 + 0] == vertex14f[3] && mesh->svector3f[vnum * 3 + 1] == vertex14f[4] && mesh->svector3f[vnum * 3 + 2] == vertex14f[5]))
+ && (mesh->tvector3f == NULL || (mesh->tvector3f[vnum * 3 + 0] == vertex14f[6] && mesh->tvector3f[vnum * 3 + 1] == vertex14f[7] && mesh->tvector3f[vnum * 3 + 2] == vertex14f[8]))
+ && (mesh->normal3f == NULL || (mesh->normal3f[vnum * 3 + 0] == vertex14f[9] && mesh->normal3f[vnum * 3 + 1] == vertex14f[10] && mesh->normal3f[vnum * 3 + 2] == vertex14f[11]))
+ && (mesh->texcoord2f == NULL || (mesh->texcoord2f[vnum * 2 + 0] == vertex14f[12] && mesh->texcoord2f[vnum * 2 + 1] == vertex14f[13])))
+ return hash - mesh->vertexhashentries;
+ }
+ vnum = mesh->numverts++;
+ hash = mesh->vertexhashentries + vnum;
+ hash->next = mesh->vertexhashtable[hashindex];
+ mesh->vertexhashtable[hashindex] = hash;
+ if (mesh->vertex3f) {mesh->vertex3f[vnum * 3 + 0] = vertex14f[0];mesh->vertex3f[vnum * 3 + 1] = vertex14f[1];mesh->vertex3f[vnum * 3 + 2] = vertex14f[2];}
+ if (mesh->svector3f) {mesh->svector3f[vnum * 3 + 0] = vertex14f[3];mesh->svector3f[vnum * 3 + 1] = vertex14f[4];mesh->svector3f[vnum * 3 + 2] = vertex14f[5];}
+ if (mesh->tvector3f) {mesh->tvector3f[vnum * 3 + 0] = vertex14f[6];mesh->tvector3f[vnum * 3 + 1] = vertex14f[7];mesh->tvector3f[vnum * 3 + 2] = vertex14f[8];}
+ if (mesh->normal3f) {mesh->normal3f[vnum * 3 + 0] = vertex14f[9];mesh->normal3f[vnum * 3 + 1] = vertex14f[10];mesh->normal3f[vnum * 3 + 2] = vertex14f[11];}
+ if (mesh->texcoord2f) {mesh->texcoord2f[vnum * 2 + 0] = vertex14f[12];mesh->texcoord2f[vnum * 2 + 1] = vertex14f[13];}
+ return vnum;
+}
+
+void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f)
+{
+ if (mesh->numtriangles == 0)
+ {
+ // set the properties on this empty mesh to be more favorable...
+ // (note: this case only occurs for the first triangle added to a new mesh chain)
+ mesh->map_diffuse = map_diffuse;
+ mesh->map_specular = map_specular;
+ mesh->map_normal = map_normal;
+ }
+ while (mesh->map_diffuse != map_diffuse || mesh->map_specular != map_specular || mesh->map_normal != map_normal || mesh->numverts + 3 > mesh->maxverts || mesh->numtriangles + 1 > mesh->maxtriangles)
+ {
+ if (mesh->next == NULL)
+ mesh->next = Mod_ShadowMesh_Alloc(mempool, max(mesh->maxverts, 300), max(mesh->maxtriangles, 100), map_diffuse, map_specular, map_normal, mesh->svector3f != NULL, mesh->neighbor3i != NULL, true);
+ mesh = mesh->next;
+ }
+ mesh->element3i[mesh->numtriangles * 3 + 0] = Mod_ShadowMesh_AddVertex(mesh, vertex14f + 14 * 0);
+ mesh->element3i[mesh->numtriangles * 3 + 1] = Mod_ShadowMesh_AddVertex(mesh, vertex14f + 14 * 1);
+ mesh->element3i[mesh->numtriangles * 3 + 2] = Mod_ShadowMesh_AddVertex(mesh, vertex14f + 14 * 2);
+ mesh->numtriangles++;
+}
+
+void Mod_ShadowMesh_AddMesh(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *texcoord2f, int numtris, const int *element3i)
+{
+ int i, j, e;
+ float vbuf[3*14], *v;
+ memset(vbuf, 0, sizeof(vbuf));
+ for (i = 0;i < numtris;i++)
+ {
+ for (j = 0, v = vbuf;j < 3;j++, v += 14)
+ {
+ e = *element3i++;
+ if (vertex3f)
+ {
+ v[0] = vertex3f[e * 3 + 0];
+ v[1] = vertex3f[e * 3 + 1];
+ v[2] = vertex3f[e * 3 + 2];
+ }
+ if (svector3f)
+ {
+ v[3] = svector3f[e * 3 + 0];
+ v[4] = svector3f[e * 3 + 1];
+ v[5] = svector3f[e * 3 + 2];
+ }
+ if (tvector3f)
+ {
+ v[6] = tvector3f[e * 3 + 0];
+ v[7] = tvector3f[e * 3 + 1];
+ v[8] = tvector3f[e * 3 + 2];
+ }
+ if (normal3f)
+ {
+ v[9] = normal3f[e * 3 + 0];
+ v[10] = normal3f[e * 3 + 1];
+ v[11] = normal3f[e * 3 + 2];
+ }
+ if (texcoord2f)
+ {
+ v[12] = texcoord2f[e * 2 + 0];
+ v[13] = texcoord2f[e * 2 + 1];
+ }
+ }
+ Mod_ShadowMesh_AddTriangle(mempool, mesh, map_diffuse, map_specular, map_normal, vbuf);
+ }
+}
+
+shadowmesh_t *Mod_ShadowMesh_Begin(mempool_t *mempool, int maxverts, int maxtriangles, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, int light, int neighbors, int expandable)
+{
+ return Mod_ShadowMesh_Alloc(mempool, maxverts, maxtriangles, map_diffuse, map_specular, map_normal, light, neighbors, expandable);
+}
+
+shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, int light, int neighbors)
+{
+ shadowmesh_t *mesh, *newmesh, *nextmesh;
+ // reallocate meshs to conserve space
+ for (mesh = firstmesh, firstmesh = NULL;mesh;mesh = nextmesh)
+ {
+ nextmesh = mesh->next;
+ if (mesh->numverts >= 3 && mesh->numtriangles >= 1)
+ {
+ newmesh = Mod_ShadowMesh_ReAlloc(mempool, mesh, light, neighbors);
+ newmesh->next = firstmesh;
+ firstmesh = newmesh;
+ }
+ Mem_Free(mesh);
+ }
+ return firstmesh;
+}
+
+void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius)
+{
+ int i;
+ shadowmesh_t *mesh;
+ vec3_t nmins, nmaxs, ncenter, temp;
+ float nradius2, dist2, *v;
+ // calculate bbox
+ for (mesh = firstmesh;mesh;mesh = mesh->next)
+ {
+ if (mesh == firstmesh)
+ {
+ VectorCopy(mesh->vertex3f, nmins);
+ VectorCopy(mesh->vertex3f, nmaxs);
+ }
+ for (i = 0, v = mesh->vertex3f;i < mesh->numverts;i++, v += 3)
+ {
+ if (nmins[0] > v[0]) nmins[0] = v[0];if (nmaxs[0] < v[0]) nmaxs[0] = v[0];
+ if (nmins[1] > v[1]) nmins[1] = v[1];if (nmaxs[1] < v[1]) nmaxs[1] = v[1];
+ if (nmins[2] > v[2]) nmins[2] = v[2];if (nmaxs[2] < v[2]) nmaxs[2] = v[2];
+ }
+ }
+ // calculate center and radius
+ ncenter[0] = (nmins[0] + nmaxs[0]) * 0.5f;
+ ncenter[1] = (nmins[1] + nmaxs[1]) * 0.5f;
+ ncenter[2] = (nmins[2] + nmaxs[2]) * 0.5f;
+ nradius2 = 0;
+ for (mesh = firstmesh;mesh;mesh = mesh->next)
+ {
+ for (i = 0, v = mesh->vertex3f;i < mesh->numverts;i++, v += 3)
+ {
+ VectorSubtract(v, ncenter, temp);
+ dist2 = DotProduct(temp, temp);
+ if (nradius2 < dist2)
+ nradius2 = dist2;
+ }
+ }
+ // return data
+ if (mins)
+ VectorCopy(nmins, mins);
+ if (maxs)
+ VectorCopy(nmaxs, maxs);
+ if (center)
+ VectorCopy(ncenter, center);
+ if (radius)
+ *radius = sqrt(nradius2);
+}
+
+void Mod_ShadowMesh_Free(shadowmesh_t *mesh)
+{
+ shadowmesh_t *nextmesh;
+ for (;mesh;mesh = nextmesh)
+ {
+ nextmesh = mesh->next;
+ Mem_Free(mesh);
+ }
+}
+
+static rtexture_t *GL_TextureForSkinLayer(const qbyte *in, int width, int height, const char *name, const unsigned int *palette, int textureflags)
+{
+ int i;
+ for (i = 0;i < width*height;i++)
+ if (((qbyte *)&palette[in[i]])[3] > 0)
+ return R_LoadTexture2D (loadmodel->texturepool, name, width, height, in, TEXTYPE_PALETTE, textureflags, palette);
+ return NULL;
+}
+
+static int detailtexturecycle = 0;
+int Mod_LoadSkinFrame(skinframe_t *skinframe, char *basename, int textureflags, int loadpantsandshirt, int usedetailtexture, int loadglowtexture)
+{
+ imageskin_t s;
+ memset(skinframe, 0, sizeof(*skinframe));
+ if (!image_loadskin(&s, basename))
+ return false;
+ if (usedetailtexture)
+ skinframe->detail = mod_shared_detailtextures[(detailtexturecycle++) % NUM_DETAILTEXTURES];
+ skinframe->base = R_LoadTexture2D (loadmodel->texturepool, basename, s.basepixels_width, s.basepixels_height, s.basepixels, TEXTYPE_RGBA, textureflags, NULL);
+ if (s.nmappixels != NULL)
+ skinframe->nmap = R_LoadTexture2D (loadmodel->texturepool, va("%s_nmap", basename), s.nmappixels_width, s.nmappixels_height, s.nmappixels, TEXTYPE_RGBA, textureflags, NULL);
+ if (s.glosspixels != NULL)
+ skinframe->gloss = R_LoadTexture2D (loadmodel->texturepool, va("%s_gloss", basename), s.glosspixels_width, s.glosspixels_height, s.glosspixels, TEXTYPE_RGBA, textureflags, NULL);
+ if (s.glowpixels != NULL && loadglowtexture)
+ skinframe->glow = R_LoadTexture2D (loadmodel->texturepool, va("%s_glow", basename), s.glowpixels_width, s.glowpixels_height, s.glowpixels, TEXTYPE_RGBA, textureflags, NULL);
+ if (s.maskpixels != NULL)
+ skinframe->fog = R_LoadTexture2D (loadmodel->texturepool, va("%s_mask", basename), s.maskpixels_width, s.maskpixels_height, s.maskpixels, TEXTYPE_RGBA, textureflags, NULL);
+ if (loadpantsandshirt)
+ {
+ if (s.pantspixels != NULL)
+ skinframe->pants = R_LoadTexture2D (loadmodel->texturepool, va("%s_pants", basename), s.pantspixels_width, s.pantspixels_height, s.pantspixels, TEXTYPE_RGBA, textureflags, NULL);
+ if (s.shirtpixels != NULL)
+ skinframe->shirt = R_LoadTexture2D (loadmodel->texturepool, va("%s_shirt", basename), s.shirtpixels_width, s.shirtpixels_height, s.shirtpixels, TEXTYPE_RGBA, textureflags, NULL);
+ }
+ image_freeskin(&s);
+ return true;
+}
+
+int Mod_LoadSkinFrame_Internal(skinframe_t *skinframe, char *basename, int textureflags, int loadpantsandshirt, int usedetailtexture, int loadglowtexture, qbyte *skindata, int width, int height)
+{
+ qbyte *temp1, *temp2;
+ memset(skinframe, 0, sizeof(*skinframe));
+ if (!skindata)
+ return false;
+ if (usedetailtexture)
+ skinframe->detail = mod_shared_detailtextures[(detailtexturecycle++) % NUM_DETAILTEXTURES];
+ if (r_shadow_bumpscale_basetexture.value > 0)
+ {
+ temp1 = Mem_Alloc(loadmodel->mempool, width * height * 8);
+ temp2 = temp1 + width * height * 4;
+ Image_Copy8bitRGBA(skindata, temp1, width * height, palette_nofullbrights);
+ Image_HeightmapToNormalmap(temp1, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
+ skinframe->nmap = R_LoadTexture2D(loadmodel->texturepool, va("%s_nmap", basename), width, height, temp2, TEXTYPE_RGBA, textureflags, NULL);
+ Mem_Free(temp1);
+ }
+ if (loadglowtexture)
+ {
+ skinframe->glow = GL_TextureForSkinLayer(skindata, width, height, va("%s_glow", basename), palette_onlyfullbrights, textureflags); // glow
+ skinframe->base = skinframe->merged = GL_TextureForSkinLayer(skindata, width, height, va("%s_merged", basename), palette_nofullbrights, textureflags); // all but fullbrights
+ if (loadpantsandshirt)
+ {
+ skinframe->pants = GL_TextureForSkinLayer(skindata, width, height, va("%s_pants", basename), palette_pantsaswhite, textureflags); // pants
+ skinframe->shirt = GL_TextureForSkinLayer(skindata, width, height, va("%s_shirt", basename), palette_shirtaswhite, textureflags); // shirt
+ if (skinframe->pants || skinframe->shirt)
+ skinframe->base = GL_TextureForSkinLayer(skindata, width, height, va("%s_nospecial", basename), palette_nocolormapnofullbrights, textureflags); // no special colors
+ }
+ }
+ else
+ {
+ skinframe->base = skinframe->merged = GL_TextureForSkinLayer(skindata, width, height, va("%s_merged", basename), palette_complete, textureflags); // all
+ if (loadpantsandshirt)
+ {
+ skinframe->pants = GL_TextureForSkinLayer(skindata, width, height, va("%s_pants", basename), palette_pantsaswhite, textureflags); // pants
+ skinframe->shirt = GL_TextureForSkinLayer(skindata, width, height, va("%s_shirt", basename), palette_shirtaswhite, textureflags); // shirt
+ if (skinframe->pants || skinframe->shirt)
+ skinframe->base = GL_TextureForSkinLayer(skindata, width, height, va("%s_nospecial", basename), palette_nocolormap, textureflags); // no pants or shirt
+ }
+ }
+ return true;
+}
+
+void Mod_GetTerrainVertex3fTexCoord2fFromRGBA(const qbyte *imagepixels, int imagewidth, int imageheight, int ix, int iy, float *vertex3f, float *texcoord2f, matrix4x4_t *pixelstepmatrix, matrix4x4_t *pixeltexturestepmatrix)
+{
+ float v[3], tc[3];
+ v[0] = ix;
+ v[1] = iy;
+ if (ix >= 0 && iy >= 0 && ix < imagewidth && iy < imageheight)
+ v[2] = (imagepixels[((iy*imagewidth)+ix)*4+0] + imagepixels[((iy*imagewidth)+ix)*4+1] + imagepixels[((iy*imagewidth)+ix)*4+2]) * (1.0f / 765.0f);
+ else
+ v[2] = 0;
+ Matrix4x4_Transform(pixelstepmatrix, v, vertex3f);
+ Matrix4x4_Transform(pixeltexturestepmatrix, v, tc);
+ texcoord2f[0] = tc[0];
+ texcoord2f[1] = tc[1];
+}
+
+void Mod_GetTerrainVertexFromRGBA(const qbyte *imagepixels, int imagewidth, int imageheight, int ix, int iy, float *vertex3f, float *svector3f, float *tvector3f, float *normal3f, float *texcoord2f, matrix4x4_t *pixelstepmatrix, matrix4x4_t *pixeltexturestepmatrix)
+{
+ float vup[3], vdown[3], vleft[3], vright[3];
+ float tcup[3], tcdown[3], tcleft[3], tcright[3];
+ float sv[3], tv[3], nl[3];
+ Mod_GetTerrainVertex3fTexCoord2fFromRGBA(imagepixels, imagewidth, imageheight, ix, iy, vertex3f, texcoord2f, pixelstepmatrix, pixeltexturestepmatrix);
+ Mod_GetTerrainVertex3fTexCoord2fFromRGBA(imagepixels, imagewidth, imageheight, ix, iy - 1, vup, tcup, pixelstepmatrix, pixeltexturestepmatrix);
+ Mod_GetTerrainVertex3fTexCoord2fFromRGBA(imagepixels, imagewidth, imageheight, ix, iy + 1, vdown, tcdown, pixelstepmatrix, pixeltexturestepmatrix);
+ Mod_GetTerrainVertex3fTexCoord2fFromRGBA(imagepixels, imagewidth, imageheight, ix - 1, iy, vleft, tcleft, pixelstepmatrix, pixeltexturestepmatrix);
+ Mod_GetTerrainVertex3fTexCoord2fFromRGBA(imagepixels, imagewidth, imageheight, ix + 1, iy, vright, tcright, pixelstepmatrix, pixeltexturestepmatrix);
+ Mod_BuildBumpVectors(vertex3f, vup, vright, texcoord2f, tcup, tcright, svector3f, tvector3f, normal3f);
+ Mod_BuildBumpVectors(vertex3f, vright, vdown, texcoord2f, tcright, tcdown, sv, tv, nl);
+ VectorAdd(svector3f, sv, svector3f);
+ VectorAdd(tvector3f, tv, tvector3f);
+ VectorAdd(normal3f, nl, normal3f);
+ Mod_BuildBumpVectors(vertex3f, vdown, vleft, texcoord2f, tcdown, tcleft, sv, tv, nl);
+ VectorAdd(svector3f, sv, svector3f);
+ VectorAdd(tvector3f, tv, tvector3f);
+ VectorAdd(normal3f, nl, normal3f);
+ Mod_BuildBumpVectors(vertex3f, vleft, vup, texcoord2f, tcleft, tcup, sv, tv, nl);
+ VectorAdd(svector3f, sv, svector3f);
+ VectorAdd(tvector3f, tv, tvector3f);
+ VectorAdd(normal3f, nl, normal3f);
+}
+
+void Mod_ConstructTerrainPatchFromRGBA(const qbyte *imagepixels, int imagewidth, int imageheight, int x1, int y1, int width, int height, int *element3i, int *neighbor3i, float *vertex3f, float *svector3f, float *tvector3f, float *normal3f, float *texcoord2f, matrix4x4_t *pixelstepmatrix, matrix4x4_t *pixeltexturestepmatrix)
+{
+ int x, y, ix, iy, *e;
+ e = element3i;
+ for (y = 0;y < height;y++)
+ {
+ for (x = 0;x < width;x++)
+ {
+ e[0] = (y + 1) * (width + 1) + (x + 0);
+ e[1] = (y + 0) * (width + 1) + (x + 0);
+ e[2] = (y + 1) * (width + 1) + (x + 1);
+ e[3] = (y + 0) * (width + 1) + (x + 0);
+ e[4] = (y + 0) * (width + 1) + (x + 1);
+ e[5] = (y + 1) * (width + 1) + (x + 1);
+ e += 6;
+ }
+ }
+ Mod_BuildTriangleNeighbors(neighbor3i, element3i, width*height*2);
+ for (y = 0, iy = y1;y < height + 1;y++, iy++)
+ for (x = 0, ix = x1;x < width + 1;x++, ix++, vertex3f += 3, texcoord2f += 2, svector3f += 3, tvector3f += 3, normal3f += 3)
+ Mod_GetTerrainVertexFromRGBA(imagepixels, imagewidth, imageheight, ix, iy, vertex3f, texcoord2f, svector3f, tvector3f, normal3f, pixelstepmatrix, pixeltexturestepmatrix);
}
+
+skinfile_t *Mod_LoadSkinFiles(void)
+{
+ int i, words, numtags, line, tagsetsused = false, wordsoverflow;
+ char *text;
+ const char *data;
+ skinfile_t *skinfile = NULL, *first = NULL;
+ skinfileitem_t *skinfileitem;
+ char word[10][MAX_QPATH];
+ overridetagnameset_t tagsets[MAX_SKINS];
+ overridetagname_t tags[256];
+
+/*
+sample file:
+U_bodyBox,models/players/Legoman/BikerA2.tga
+U_RArm,models/players/Legoman/BikerA1.tga
+U_LArm,models/players/Legoman/BikerA1.tga
+U_armor,common/nodraw
+U_sword,common/nodraw
+U_shield,common/nodraw
+U_homb,common/nodraw
+U_backpack,common/nodraw
+U_colcha,common/nodraw
+tag_head,
+tag_weapon,
+tag_torso,
+*/
+ memset(tagsets, 0, sizeof(tagsets));
+ memset(word, 0, sizeof(word));
+ for (i = 0;i < MAX_SKINS && (data = text = FS_LoadFile(va("%s_%i.skin", loadmodel->name, i), tempmempool, true));i++)
+ {
+ numtags = 0;
+
+ // If it's the first file we parse
+ if (skinfile == NULL)
+ {
+ skinfile = Mem_Alloc(tempmempool, sizeof(skinfile_t));
+ first = skinfile;
+ }
+ else
+ {
+ skinfile->next = Mem_Alloc(tempmempool, sizeof(skinfile_t));
+ skinfile = skinfile->next;
+ }
+ skinfile->next = NULL;
+
+ for(line = 0;;line++)
+ {
+ // parse line
+ if (!COM_ParseToken(&data, true))
+ break;
+ if (!strcmp(com_token, "\n"))
+ continue;
+ words = 0;
+ wordsoverflow = false;
+ do
+ {
+ if (words < 10)
+ strlcpy(word[words++], com_token, sizeof (word[0]));
+ else
+ wordsoverflow = true;
+ }
+ while (COM_ParseToken(&data, true) && strcmp(com_token, "\n"));
+ if (wordsoverflow)
+ {
+ Con_Printf("Mod_LoadSkinFiles: parsing error in file \"%s_%i.skin\" on line #%i: line with too many statements, skipping\n", loadmodel->name, i, line);
+ continue;
+ }
+ // words is always >= 1
+ if (!strcmp(word[0], "replace"))
+ {
+ if (words == 3)
+ {
+ Con_DPrintf("Mod_LoadSkinFiles: parsed mesh \"%s\" shader replacement \"%s\"\n", word[1], word[2]);
+ skinfileitem = Mem_Alloc(tempmempool, sizeof(skinfileitem_t));
+ skinfileitem->next = skinfile->items;
+ skinfile->items = skinfileitem;
+ strlcpy (skinfileitem->name, word[1], sizeof (skinfileitem->name));
+ strlcpy (skinfileitem->replacement, word[2], sizeof (skinfileitem->replacement));
+ }
+ else
+ Con_Printf("Mod_LoadSkinFiles: parsing error in file \"%s_%i.skin\" on line #%i: wrong number of parameters to command \"%s\", see documentation in DP_GFX_SKINFILES extension in dpextensions.qc\n", loadmodel->name, i, line, word[0]);
+ }
+ else if (words == 2 && !strcmp(word[1], ","))
+ {
+ // tag name, like "tag_weapon,"
+ Con_DPrintf("Mod_LoadSkinFiles: parsed tag #%i \"%s\"\n", numtags, word[0]);
+ memset(tags + numtags, 0, sizeof(tags[numtags]));
+ strlcpy (tags[numtags].name, word[0], sizeof (tags[numtags].name));
+ numtags++;
+ }
+ else if (words == 3 && !strcmp(word[1], ","))
+ {
+ // mesh shader name, like "U_RArm,models/players/Legoman/BikerA1.tga"
+ Con_DPrintf("Mod_LoadSkinFiles: parsed mesh \"%s\" shader replacement \"%s\"\n", word[0], word[2]);
+ skinfileitem = Mem_Alloc(tempmempool, sizeof(skinfileitem_t));
+ skinfileitem->next = skinfile->items;
+ skinfile->items = skinfileitem;
+ strlcpy (skinfileitem->name, word[0], sizeof (skinfileitem->name));
+ strlcpy (skinfileitem->replacement, word[2], sizeof (skinfileitem->replacement));
+ }
+ else
+ Con_Printf("Mod_LoadSkinFiles: parsing error in file \"%s_%i.skin\" on line #%i: does not look like tag or mesh specification, or replace command, see documentation in DP_GFX_SKINFILES extension in dpextensions.qc\n", loadmodel->name, i, line);
+ }
+ Mem_Free(text);
+
+ if (numtags)
+ {
+ overridetagnameset_t *t;
+ t = tagsets + i;
+ t->num_overridetagnames = numtags;
+ t->data_overridetagnames = Mem_Alloc(loadmodel->mempool, t->num_overridetagnames * sizeof(overridetagname_t));
+ memcpy(t->data_overridetagnames, tags, t->num_overridetagnames * sizeof(overridetagname_t));
+ tagsetsused = true;
+ }
+ }
+ if (tagsetsused)
+ {
+ loadmodel->data_overridetagnamesforskin = Mem_Alloc(loadmodel->mempool, i * sizeof(overridetagnameset_t));
+ memcpy(loadmodel->data_overridetagnamesforskin, tagsets, i * sizeof(overridetagnameset_t));
+ }
+ if (i)
+ loadmodel->numskins = i;
+ return first;
+}
+
+void Mod_FreeSkinFiles(skinfile_t *skinfile)
+{
+ skinfile_t *next;
+ skinfileitem_t *skinfileitem, *nextitem;
+ for (;skinfile;skinfile = next)
+ {
+ next = skinfile->next;
+ for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = nextitem)
+ {
+ nextitem = skinfileitem->next;
+ Mem_Free(skinfileitem);
+ }
+ Mem_Free(skinfile);
+ }
+}
+
+int Mod_CountSkinFiles(skinfile_t *skinfile)
+{
+ int i;
+ for (i = 0;skinfile;skinfile = skinfile->next, i++);
+ return i;
+}
+
+void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap)
+{
+ int i;
+ double isnap = 1.0 / snap;
+ for (i = 0;i < numvertices*numcomponents;i++)
+ vertices[i] = floor(vertices[i]*isnap)*snap;
+}
+
+int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f)
+{
+ int i, outtriangles;
+ float d, edgedir[3], temp[3];
+ // a degenerate triangle is one with no width (thickness, surface area)
+ // these are characterized by having all 3 points colinear (along a line)
+ // or having two points identical
+ for (i = 0, outtriangles = 0;i < numtriangles;i++, inelement3i += 3)
+ {
+ // calculate first edge
+ VectorSubtract(vertex3f + inelement3i[1] * 3, vertex3f + inelement3i[0] * 3, edgedir);
+ if (VectorLength2(edgedir) < 0.0001f)
+ continue; // degenerate first edge (no length)
+ VectorNormalize(edgedir);
+ // check if third point is on the edge (colinear)
+ d = -DotProduct(vertex3f + inelement3i[2] * 3, edgedir);
+ VectorMA(vertex3f + inelement3i[2] * 3, d, edgedir, temp);
+ if (VectorLength2(temp) < 0.0001f)
+ continue; // third point colinear with first edge
+ // valid triangle (no colinear points, no duplicate points)
+ VectorCopy(inelement3i, outelement3i);
+ outelement3i += 3;
+ outtriangles++;
+ }
+ return outtriangles;
+}
+
projects / xonotic / darkplaces.git / blobdiff