/**
* @param[in] tile Tile to check (normally 0 - except in assembled maps)
* @param[in] start trace start vector
* @param[in] end trace end vector
* @param[in] mins box mins
* @param[in] maxs box maxs
* @param[in] headnode if < 0 we are in a leaf node
* @param[in] contentmask content flags the trace should stop at (see MASK_*)
* @param[in] brushrejects brushes the trace should ignore (see MASK_*)
* @param[in] origin center for rotating objects
* @param[in] angles current rotation status (in degrees) for rotating objects
* @param[in] rmaShift how much the object was shifted by the RMA process (needed for doors)
* @param[in] fraction The furthest distance needed to trace before we stop.
* @brief Handles offseting and rotation of the end points for moving and rotating entities
* @sa CM_BoxTrace
*/
trace_t CM_HintedTransformedBoxTrace (mapTile_t *tile, const vec3_t start, const vec3_t end, const vec3_t mins, const vec3_t maxs, const int headnode, const int contentmask, const int brushrejects, const vec3_t origin, const vec3_t angles, const vec3_t rmaShift, const float fraction)
{
trace_t trace;
vec3_t start_l, end_l;
vec3_t forward, right, up;
vec3_t temp;
bool rotated;
/* subtract origin offset */
VectorSubtract(start, origin, start_l);
VectorSubtract(end, origin, end_l);
/* rotate start and end into the models frame of reference */
if (headnode != tile->box_headnode && VectorNotEmpty(angles)) {
rotated = true;
} else {
rotated = false;
}
if (rotated) {
AngleVectors(angles, forward, right, up);
VectorCopy(start_l, temp);
start_l[0] = DotProduct(temp, forward);
start_l[1] = -DotProduct(temp, right);
start_l[2] = DotProduct(temp, up);
VectorCopy(end_l, temp);
end_l[0] = DotProduct(temp, forward);
end_l[1] = -DotProduct(temp, right);
end_l[2] = DotProduct(temp, up);
}
/* When tracing through a model, we want to use the nodes, planes etc. as calculated by ufo2map.
* But nodes and planes have been shifted in case of an RMA. At least for doors we need to undo the shift. */
if (VectorNotEmpty(origin)) { /* only doors seem to have their origin set */
VectorAdd(start_l, rmaShift, start_l); /* undo the shift */
VectorAdd(end_l, rmaShift, end_l);
}
/* sweep the box through the model */
trace = TR_BoxTrace(tile, start_l, end_l, mins, maxs, headnode, contentmask, brushrejects, fraction);
trace.mapTile = tile->idx;
if (rotated && trace.fraction != 1.0) {
vec3_t a;
/** @todo figure out how to do this with existing angles */
VectorNegate(angles, a);
AngleVectors(a, forward, right, up);
VectorCopy(trace.plane.normal, temp);
trace.plane.normal[0] = DotProduct(temp, forward);
trace.plane.normal[1] = -DotProduct(temp, right);
trace.plane.normal[2] = DotProduct(temp, up);
}
VectorInterpolation(start, end, trace.fraction, trace.endpos);
return trace;
}
/**
* @brief Draws the field marker entity is specified in CL_AddTargeting
* @sa CL_AddTargeting
* @sa RF_BOX
*/
static void R_DrawBox (const entity_t* e)
{
const vec4_t color = {e->color[0], e->color[1], e->color[2], e->alpha};
if (e->texture) {
R_Color(color);
R_BindTexture(e->texture->texnum);
if (VectorNotEmpty(e->eBox.mins) && VectorNotEmpty(e->eBox.maxs)) {
R_DrawTexturedBox(e->eBox.mins, e->eBox.maxs);
} else {
R_DrawTexturedBox(e->oldorigin, e->origin);
}
R_Color(nullptr);
return;
}
glDisable(GL_TEXTURE_2D);
R_Color(color);
if (VectorNotEmpty(e->eBox.mins) && VectorNotEmpty(e->eBox.maxs)) {
R_DrawBoundingBox(e->eBox);
} else {
vec3_t points[] = { { e->oldorigin[0], e->oldorigin[1], e->oldorigin[2] }, { e->oldorigin[0], e->origin[1],
e->oldorigin[2] }, { e->origin[0], e->origin[1], e->oldorigin[2] }, { e->origin[0], e->oldorigin[1],
e->oldorigin[2] } };
glLineWidth(2.0f);
R_BindArray(GL_VERTEX_ARRAY, GL_FLOAT, points);
/** @todo fill one array */
glDrawArrays(GL_LINE_LOOP, 0, 4);
refdef.batchCount++;
points[0][2] = e->origin[2];
points[1][2] = e->origin[2];
points[2][2] = e->origin[2];
points[3][2] = e->origin[2];
glDrawArrays(GL_LINE_LOOP, 0, 4);
refdef.batchCount++;
points[0][2] = e->oldorigin[2];
points[1][1] = e->oldorigin[1];
points[2][2] = e->oldorigin[2];
points[3][1] = e->origin[1];
glDrawArrays(GL_LINES, 0, 4);
refdef.batchCount++;
points[0][0] = e->origin[0];
points[1][0] = e->origin[0];
points[2][0] = e->oldorigin[0];
points[3][0] = e->oldorigin[0];
glDrawArrays(GL_LINES, 0, 4);
refdef.batchCount++;
R_BindDefaultArray(GL_VERTEX_ARRAY);
}
glEnable(GL_TEXTURE_2D);
R_Color(nullptr);
}
/**
* @brief Calculates the worst case bounding box for the given bsp model
* @param[in] model The model to calculate the bbox for
* @param[out] box The bbox to fill
*/
static void CM_CalculateWidestBoundingBox (const cBspModel_t* model, AABB& box)
{
/* Quickly calculate the bounds of this model to see if they can overlap. */
box.set(model->cbmBox);
box.shift(model->origin);
if (VectorNotEmpty(model->angles)) {
const float offset = std::max(std::max(box.getWidthX(), box.getWidthY()), box.getWidthZ()) / 2.0;
box.expand(offset); /* expand the whole box by the highest extent we found */
}
}
/**
* @brief Calculates the bounding box for the given bsp model
* @param[in] model The model to calculate the bbox for
* @param[out] mins The maxs of the bbox
* @param[out] maxs The mins of the bbox
*/
static void CM_CalculateBoundingBox (const cBspModel_t* model, vec3_t mins, vec3_t maxs)
{
/* Quickly calculate the bounds of this model to see if they can overlap. */
VectorAdd(model->origin, model->mins, mins);
VectorAdd(model->origin, model->maxs, maxs);
if (VectorNotEmpty(model->angles)) {
vec3_t acenter, aoffset;
const float offset = std::max(std::max(fabs(mins[0] - maxs[0]), fabs(mins[1] - maxs[1])), fabs(mins[2] - maxs[2])) / 2.0;
VectorCenterFromMinsMaxs(mins, maxs, acenter);
VectorSet(aoffset, offset, offset, offset);
VectorAdd(acenter, aoffset, maxs);
VectorSubtract(acenter, aoffset, mins);
}
}
/**
* @brief Builds a plane normal and distance from three points on the plane.
* If the normal is nearly axial, it will be snapped to be axial. Looks
* up the plane in the unique planes.
* @param[in] b The brush that the points belong to.
* @param[in] p0 Three points on the plane. (A vector with plane coordinates)
* @param[in] p1 Three points on the plane. (A vector with plane coordinates)
* @param[in] p2 Three points on the plane. (A vector with plane coordinates)
* @return the index of the plane in the planes list.
*/
static int16_t PlaneFromPoints (const mapbrush_t* b, const vec3_t p0, const vec3_t p1, const vec3_t p2)
{
vec3_t t1, t2, normal;
vec_t dist;
VectorSubtract(p0, p1, t1);
VectorSubtract(p2, p1, t2);
CrossProduct(t1, t2, normal);
VectorNormalize(normal);
dist = DotProduct(p0, normal);
if (!VectorNotEmpty(normal))
Sys_Error("PlaneFromPoints: Bad normal (null) for brush %i", b->brushnum);
return FindOrCreateFloatPlane(normal, dist);
}
/**
* @brief Draws an animated, colored shell for the specified entity. Rather than
* re-lerping or re-scaling the entity, the currently bound vertex arrays
* are simply re-drawn using a small depth offset and varying texcoord delta.
*/
static void R_DrawMeshModelShell (const mAliasMesh_t *mesh, const vec4_t color)
{
/* check whether rgb is set */
if (!VectorNotEmpty(color))
return;
R_Color(color);
R_BindTexture(r_envmaptextures[1]->texnum);
R_EnableShell(true);
glDrawArrays(GL_TRIANGLES, 0, mesh->num_tris * 3);
refdef.batchCount++;
R_EnableShell(false);
R_Color(NULL);
}
void CalculateMinsMaxs (const vec3_t angles, const vec3_t mins, const vec3_t maxs, const vec3_t origin, vec3_t absmin, vec3_t absmax)
{
/* expand for rotation */
if (VectorNotEmpty(angles)) {
vec3_t minVec, maxVec, tmpMinVec, tmpMaxVec;
vec3_t centerVec, halfVec, newCenterVec, newHalfVec;
vec3_t m[3];
/* Find the center of the extents. */
VectorCenterFromMinsMaxs(mins, maxs, centerVec);
/* Find the half height and half width of the extents. */
VectorSubtract(maxs, centerVec, halfVec);
/* Rotate the center about the origin. */
VectorCreateRotationMatrix(angles, m);
VectorRotate(m, centerVec, newCenterVec);
VectorRotate(m, halfVec, newHalfVec);
/* Set minVec and maxVec to bound around newCenterVec at halfVec size. */
VectorSubtract(newCenterVec, newHalfVec, tmpMinVec);
VectorAdd(newCenterVec, newHalfVec, tmpMaxVec);
/* rotation may have changed min and max of the box, so adjust it */
minVec[0] = min(tmpMinVec[0], tmpMaxVec[0]);
minVec[1] = min(tmpMinVec[1], tmpMaxVec[1]);
minVec[2] = min(tmpMinVec[2], tmpMaxVec[2]);
maxVec[0] = max(tmpMinVec[0], tmpMaxVec[0]);
maxVec[1] = max(tmpMinVec[1], tmpMaxVec[1]);
maxVec[2] = max(tmpMinVec[2], tmpMaxVec[2]);
/* Adjust the absolute mins/maxs */
VectorAdd(origin, minVec, absmin);
VectorAdd(origin, maxVec, absmax);
} else { /* normal */
VectorAdd(origin, mins, absmin);
VectorAdd(origin, maxs, absmax);
}
}
/**
* @brief This function recalculates the routing surrounding the entity name.
* @sa CM_InlineModel
* @sa CM_CheckUnit
* @sa CM_UpdateConnection
* @sa CMod_LoadSubmodels
* @sa Grid_RecalcBoxRouting
* @param[in] mapTiles List of tiles the current (RMA-)map is composed of
* @param[in] routing The routing map (either server or client map)
* @param[in] name Name of the inline model to compute the mins/maxs for
* @param[in] box The box around the inline model (alternative to name)
* @param[in] list The local models list (a local model has a name starting with * followed by the model number)
*/
void Grid_RecalcRouting (mapTiles_t *mapTiles, Routing &routing, const char *name, const GridBox &box, const char **list)
{
if (box.isZero()) {
pos3_t min, max;
vec3_t absmin, absmax;
const cBspModel_t *model;
unsigned int i;
/* get inline model, if it is one */
if (*name != '*') {
Com_Printf("Called Grid_RecalcRouting with no inline model\n");
return;
}
model = CM_InlineModel(mapTiles, name);
if (!model) {
Com_Printf("Called Grid_RecalcRouting with invalid inline model name '%s'\n", name);
return;
}
#if 1
/* An attempt to fix the 'doors starting opened' bug (# 3456).
* The main difference is the (missing) rotation of the halfVec.
* The results are better, but do not fix the problem. */
CalculateMinsMaxs(model->angles, model->mins, model->maxs, model->origin, absmin, absmax);
#else
/* get the target model's dimensions */
if (VectorNotEmpty(model->angles)) {
vec3_t minVec, maxVec;
vec3_t centerVec, halfVec, newCenterVec;
vec3_t m[3];
/* Find the center of the extents. */
VectorCenterFromMinsMaxs(model->mins, model->maxs, centerVec);
/* Find the half height and half width of the extents. */
VectorSubtract(model->maxs, centerVec, halfVec);
/* Rotate the center about the origin. */
VectorCreateRotationMatrix(model->angles, m);
VectorRotate(m, centerVec, newCenterVec);
/* Set minVec and maxVec to bound around newCenterVec at halfVec size. */
VectorSubtract(newCenterVec, halfVec, minVec);
VectorAdd(newCenterVec, halfVec, maxVec);
/* Now offset by origin then convert to position (Doors do not have 0 origins) */
VectorAdd(minVec, model->origin, absmin);
VectorAdd(maxVec, model->origin, absmax);
} else { /* normal */
/* Now offset by origin then convert to position (Doors do not have 0 origins) */
VectorAdd(model->mins, model->origin, absmin);
VectorAdd(model->maxs, model->origin, absmax);
}
#endif
VecToPos(absmin, min);
VecToPos(absmax, max);
/* fit min/max into the world size */
max[0] = std::min(max[0], (pos_t)(PATHFINDING_WIDTH - 1));
max[1] = std::min(max[1], (pos_t)(PATHFINDING_WIDTH - 1));
max[2] = std::min(max[2], (pos_t)(PATHFINDING_HEIGHT - 1));
for (i = 0; i < 3; i++)
min[i] = std::max(min[i], (pos_t)0);
/* We now have the dimensions, call the generic rerouting function. */
GridBox rerouteBox(min, max);
Grid_RecalcBoxRouting(mapTiles, routing, rerouteBox, list);
} else {
/* use the passed box */
Grid_RecalcBoxRouting(mapTiles, routing, box, list);
}
}
/**
* @brief Puts the map data into buffers
* @sa R_ModAddMapTile
* @note Shift the verts after the texcoords for diffuse and lightmap are loaded
* @sa R_ModShiftTile
* @todo Don't use the buffers from r_state here - they might overflow
* @todo Decrease MAX_GL_ARRAY_LENGTH to 32768 again when this is fixed
*/
static void R_LoadBspVertexArrays (model_t *mod)
{
int i, j;
int vertOfs, texCoordOfs, tangOfs;
float *vecShifted;
float soff, toff, s, t;
float *point, *sdir, *tdir;
vec4_t tangent;
vec3_t binormal;
mBspSurface_t *surf;
mBspVertex_t *vert;
int vertexCount, indexCount;
vertOfs = texCoordOfs = tangOfs = 0;
vertexCount = indexCount = 0;
for (i = 0, surf = mod->bsp.surfaces; i < mod->bsp.numsurfaces; i++, surf++) {
const int numedges = surf->numedges;
vertexCount += numedges;
if (numedges > 2) /* no triangles for degenerate polys */
indexCount += (numedges - 2) * 3;
}
surf = mod->bsp.surfaces;
/* allocate the vertex arrays */
mod->bsp.texcoords = Mem_PoolAllocTypeN(GLfloat, vertexCount * 2, vid_modelPool);
mod->bsp.lmtexcoords = Mem_PoolAllocTypeN(GLfloat, vertexCount * 2, vid_modelPool);
mod->bsp.verts = Mem_PoolAllocTypeN(GLfloat, vertexCount * 3, vid_modelPool);
mod->bsp.normals = Mem_PoolAllocTypeN(GLfloat, vertexCount * 3, vid_modelPool);
mod->bsp.tangents = Mem_PoolAllocTypeN(GLfloat, vertexCount * 4, vid_modelPool);
mod->bsp.indexes = Mem_PoolAllocTypeN(GLint, indexCount, vid_modelPool); /* Will be filled at the end of map loading, after building surface lists */
for (i = 0; i < mod->bsp.numsurfaces; i++, surf++) {
surf->index = vertOfs / 3;
surf->firstTriangle = -1; /* Mark as "no triangles generated yet" */
for (j = 0; j < surf->numedges; j++) {
const float *normal;
const int index = mod->bsp.surfedges[surf->firstedge + j];
/* vertex */
if (index > 0) { /* negative indices to differentiate which end of the edge */
const mBspEdge_t *edge = &mod->bsp.edges[index];
vert = &mod->bsp.vertexes[edge->v[0]];
} else {
const mBspEdge_t *edge = &mod->bsp.edges[-index];
vert = &mod->bsp.vertexes[edge->v[1]];
}
point = vert->position;
/* shift it for assembled maps */
vecShifted = &mod->bsp.verts[vertOfs];
/* origin (func_door, func_rotating) bmodels must not have shifted vertices,
* they are translated by their entity origin value */
if (surf->isOriginBrushModel)
VectorCopy(point, vecShifted);
else
VectorAdd(point, shift, vecShifted);
/* texture directional vectors and offsets */
sdir = surf->texinfo->uv;
soff = surf->texinfo->u_offset;
tdir = surf->texinfo->vv;
toff = surf->texinfo->v_offset;
/* texture coordinates */
s = DotProduct(point, sdir) + soff;
s /= surf->texinfo->image->width;
t = DotProduct(point, tdir) + toff;
t /= surf->texinfo->image->height;
mod->bsp.texcoords[texCoordOfs + 0] = s;
mod->bsp.texcoords[texCoordOfs + 1] = t;
if (surf->flags & MSURF_LIGHTMAP) { /* lightmap coordinates */
s = DotProduct(point, sdir) + soff;
s -= surf->stmins[0];
s += surf->light_s * surf->lightmap_scale;
s += surf->lightmap_scale / 2.0;
s /= r_lightmaps.size * surf->lightmap_scale;
t = DotProduct(point, tdir) + toff;
t -= surf->stmins[1];
t += surf->light_t * surf->lightmap_scale;
t += surf->lightmap_scale / 2.0;
t /= r_lightmaps.size * surf->lightmap_scale;
}
mod->bsp.lmtexcoords[texCoordOfs + 0] = s;
mod->bsp.lmtexcoords[texCoordOfs + 1] = t;
/* normal vectors */
if ((surf->texinfo->flags & SURF_PHONG) && VectorNotEmpty(vert->normal))
normal = vert->normal; /* phong shaded */
else
normal = surf->normal; /* per plane */
memcpy(&mod->bsp.normals[vertOfs], normal, sizeof(vec3_t));
/* tangent vector */
TangentVectors(normal, sdir, tdir, tangent, binormal);
memcpy(&mod->bsp.tangents[tangOfs], tangent, sizeof(vec4_t));
vertOfs += 3;
texCoordOfs += 2;
tangOfs += 4;
}
}
R_ReallocateStateArrays(vertOfs / 3);
if (qglBindBuffer) {
/* and also the vertex buffer objects */
qglGenBuffers(1, &mod->bsp.vertex_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.vertex_buffer);
qglBufferData(GL_ARRAY_BUFFER, vertOfs * sizeof(GLfloat), mod->bsp.verts, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.texcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.texcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, texCoordOfs * sizeof(GLfloat), mod->bsp.texcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.lmtexcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.lmtexcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, texCoordOfs * sizeof(GLfloat), mod->bsp.lmtexcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.normal_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.normal_buffer);
qglBufferData(GL_ARRAY_BUFFER, vertOfs * sizeof(GLfloat), mod->bsp.normals, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.tangent_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.tangent_buffer);
qglBufferData(GL_ARRAY_BUFFER, tangOfs * sizeof(GLfloat), mod->bsp.tangents, GL_STATIC_DRAW);
qglBindBuffer(GL_ARRAY_BUFFER, 0);
}
}
/**
* @brief This function recalculates the routing surrounding the entity name.
* @sa CM_InlineModel
* @sa CM_CheckUnit
* @sa CM_UpdateConnection
* @sa CMod_LoadSubmodels
* @sa Grid_RecalcBoxRouting
* @param[in] mapTiles List of tiles the current (RMA-)map is composed of
* @param[in] map The routing map (either server or client map)
* @param[in] name Name of the inline model to compute the mins/maxs for
* @param[in] list The local models list (a local model has a name starting with * followed by the model number)
*/
void Grid_RecalcRouting (mapTiles_t *mapTiles, routing_t *map, const char *name, const char **list)
{
const cBspModel_t *model;
pos3_t min, max;
unsigned int i;
double start, end;
start = time(NULL);
/* get inline model, if it is one */
if (*name != '*') {
Com_Printf("Called Grid_RecalcRouting with no inline model\n");
return;
}
model = CM_InlineModel(mapTiles, name);
if (!model) {
Com_Printf("Called Grid_RecalcRouting with invalid inline model name '%s'\n", name);
return;
}
Com_DPrintf(DEBUG_PATHING, "Model:%s origin(%f,%f,%f) angles(%f,%f,%f) mins(%f,%f,%f) maxs(%f,%f,%f)\n", name,
model->origin[0], model->origin[1], model->origin[2],
model->angles[0], model->angles[1], model->angles[2],
model->mins[0], model->mins[1], model->mins[2],
model->maxs[0], model->maxs[1], model->maxs[2]);
/* get the target model's dimensions */
if (VectorNotEmpty(model->angles)) {
vec3_t minVec, maxVec;
vec3_t centerVec, halfVec, newCenterVec;
vec3_t m[3];
/* Find the center of the extents. */
VectorCenterFromMinsMaxs(model->mins, model->maxs, centerVec);
/* Find the half height and half width of the extents. */
VectorSubtract(model->maxs, centerVec, halfVec);
/* Rotate the center about the origin. */
VectorCreateRotationMatrix(model->angles, m);
VectorRotate(m, centerVec, newCenterVec);
/* Set minVec and maxVec to bound around newCenterVec at halfVec size. */
VectorSubtract(newCenterVec, halfVec, minVec);
VectorAdd(newCenterVec, halfVec, maxVec);
/* Now offset by origin then convert to position (Doors do not have 0 origins) */
VectorAdd(minVec, model->origin, minVec);
VecToPos(minVec, min);
VectorAdd(maxVec, model->origin, maxVec);
VecToPos(maxVec, max);
} else { /* normal */
vec3_t temp;
/* Now offset by origin then convert to position (Doors do not have 0 origins) */
VectorAdd(model->mins, model->origin, temp);
VecToPos(temp, min);
VectorAdd(model->maxs, model->origin, temp);
VecToPos(temp, max);
}
/* fit min/max into the world size */
max[0] = min(max[0] + 1, PATHFINDING_WIDTH - 1);
max[1] = min(max[1] + 1, PATHFINDING_WIDTH - 1);
max[2] = min(max[2] + 1, PATHFINDING_HEIGHT - 1);
for (i = 0; i < 3; i++)
min[i] = max(min[i] - 1, 0);
/* We now have the dimensions, call the generic rerouting function. */
Grid_RecalcBoxRouting(mapTiles, map, min, max, list);
end = time(NULL);
Com_DPrintf(DEBUG_ROUTING, "Retracing for model %s between (%i, %i, %i) and (%i, %i %i) in %5.1fs\n",
name, min[0], min[1], min[2], max[0], max[1], max[2], end - start);
}
/**
* @sa CM_AddMapTile
* @sa R_ModBeginLoading
* @param[in] name The name of the map. Relative to maps/ and without extension
* @param[in] day Load the day lightmap
* @param[in] sX Shift x grid units
* @param[in] sY Shift y grid units
* @param[in] sZ Shift z grid units
* @sa UNIT_SIZE
*/
static void R_ModAddMapTile (const char *name, qboolean day, int sX, int sY, int sZ)
{
int i;
byte *buffer;
dBspHeader_t *header;
const int lightingLump = day ? LUMP_LIGHTING_DAY : LUMP_LIGHTING_NIGHT;
/* get new model */
if (r_numModels < 0 || r_numModels >= MAX_MOD_KNOWN)
Com_Error(ERR_DROP, "R_ModAddMapTile: r_numModels >= MAX_MOD_KNOWN");
if (r_numMapTiles < 0 || r_numMapTiles >= MAX_MAPTILES)
Com_Error(ERR_DROP, "R_ModAddMapTile: Too many map tiles");
/* alloc model and tile */
r_worldmodel = &r_models[r_numModels++];
r_mapTiles[r_numMapTiles++] = r_worldmodel;
OBJZERO(*r_worldmodel);
Com_sprintf(r_worldmodel->name, sizeof(r_worldmodel->name), "maps/%s.bsp", name);
/* load the file */
FS_LoadFile(r_worldmodel->name, &buffer);
if (!buffer)
Com_Error(ERR_DROP, "R_ModAddMapTile: %s not found", r_worldmodel->name);
/* init */
r_worldmodel->type = mod_bsp;
/* prepare shifting */
VectorSet(shift, sX * UNIT_SIZE, sY * UNIT_SIZE, sZ * UNIT_SIZE);
/* test version */
header = (dBspHeader_t *) buffer;
i = LittleLong(header->version);
if (i != BSPVERSION)
Com_Error(ERR_DROP, "R_ModAddMapTile: %s has wrong version number (%i should be %i)", r_worldmodel->name, i, BSPVERSION);
/* swap all the lumps */
mod_base = (byte *) header;
for (i = 0; i < (int)sizeof(dBspHeader_t) / 4; i++)
((int *) header)[i] = LittleLong(((int *) header)[i]);
/* load into heap */
R_ModLoadVertexes(&header->lumps[LUMP_VERTEXES]);
R_ModLoadNormals(&header->lumps[LUMP_NORMALS]);
R_ModLoadEdges(&header->lumps[LUMP_EDGES]);
R_ModLoadSurfedges(&header->lumps[LUMP_SURFEDGES]);
R_ModLoadLighting(&header->lumps[lightingLump]);
R_ModLoadPlanes(&header->lumps[LUMP_PLANES]);
R_ModLoadTexinfo(&header->lumps[LUMP_TEXINFO]);
R_ModLoadSurfaces(day, &header->lumps[LUMP_FACES]);
R_ModLoadLeafs(&header->lumps[LUMP_LEAFS]);
R_ModLoadNodes(&header->lumps[LUMP_NODES]);
R_ModLoadSubmodels(&header->lumps[LUMP_MODELS]);
R_SetupSubmodels();
R_LoadBspVertexArrays(r_worldmodel);
/* in case of random map assembly shift some vectors */
if (VectorNotEmpty(shift))
R_ModShiftTile();
FS_FreeFile(buffer);
}
/**
* @brief Puts the map data into buffers
* @sa R_ModAddMapTile
* @note Shift the verts after the texcoords for diffuse and lightmap are loaded
* @sa R_ModShiftTile
* @todo Don't use the buffers from r_state here - they might overflow
* @todo Decrease MAX_GL_ARRAY_LENGTH to 32768 again when this is fixed
*/
static void R_LoadBspVertexArrays (model_t *mod)
{
int i, j;
int vertind, coordind, tangind;
float *vecShifted;
float soff, toff, s, t;
float *point, *sdir, *tdir;
vec4_t tangent;
vec3_t binormal;
mBspSurface_t *surf;
mBspVertex_t *vert;
int vertexcount;
vertind = coordind = tangind = vertexcount = 0;
for (i = 0, surf = mod->bsp.surfaces; i < mod->bsp.numsurfaces; i++, surf++)
for (j = 0; j < surf->numedges; j++)
vertexcount++;
surf = mod->bsp.surfaces;
/* allocate the vertex arrays */
mod->bsp.texcoords = (GLfloat *)Mem_PoolAlloc(vertexcount * 2 * sizeof(GLfloat), vid_modelPool, 0);
mod->bsp.lmtexcoords = (GLfloat *)Mem_PoolAlloc(vertexcount * 2 * sizeof(GLfloat), vid_modelPool, 0);
mod->bsp.verts = (GLfloat *)Mem_PoolAlloc(vertexcount * 3 * sizeof(GLfloat), vid_modelPool, 0);
mod->bsp.normals = (GLfloat *)Mem_PoolAlloc(vertexcount * 3 * sizeof(GLfloat), vid_modelPool, 0);
mod->bsp.tangents = (GLfloat *)Mem_PoolAlloc(vertexcount * 4 * sizeof(GLfloat), vid_modelPool, 0);
for (i = 0; i < mod->bsp.numsurfaces; i++, surf++) {
surf->index = vertind / 3;
for (j = 0; j < surf->numedges; j++) {
const float *normal;
const int index = mod->bsp.surfedges[surf->firstedge + j];
if (vertind >= MAX_GL_ARRAY_LENGTH * 3)
Com_Error(ERR_DROP, "R_LoadBspVertexArrays: Exceeded MAX_GL_ARRAY_LENGTH %i", vertind);
/* vertex */
if (index > 0) { /* negative indices to differentiate which end of the edge */
const mBspEdge_t *edge = &mod->bsp.edges[index];
vert = &mod->bsp.vertexes[edge->v[0]];
} else {
const mBspEdge_t *edge = &mod->bsp.edges[-index];
vert = &mod->bsp.vertexes[edge->v[1]];
}
point = vert->position;
/* shift it for assembled maps */
vecShifted = &mod->bsp.verts[vertind];
/* origin (func_door, func_rotating) bmodels must not have shifted vertices,
* they are translated by their entity origin value */
if (surf->isOriginBrushModel)
VectorCopy(point, vecShifted);
else
VectorAdd(point, shift, vecShifted);
/* texture directional vectors and offsets */
sdir = surf->texinfo->uv;
soff = surf->texinfo->u_offset;
tdir = surf->texinfo->vv;
toff = surf->texinfo->v_offset;
/* texture coordinates */
s = DotProduct(point, sdir) + soff;
s /= surf->texinfo->image->width;
t = DotProduct(point, tdir) + toff;
t /= surf->texinfo->image->height;
mod->bsp.texcoords[coordind + 0] = s;
mod->bsp.texcoords[coordind + 1] = t;
if (surf->flags & MSURF_LIGHTMAP) { /* lightmap coordinates */
s = DotProduct(point, sdir) + soff;
s -= surf->stmins[0];
s += surf->light_s * surf->lightmap_scale;
s += surf->lightmap_scale / 2.0;
s /= r_lightmaps.size * surf->lightmap_scale;
t = DotProduct(point, tdir) + toff;
t -= surf->stmins[1];
t += surf->light_t * surf->lightmap_scale;
t += surf->lightmap_scale / 2.0;
t /= r_lightmaps.size * surf->lightmap_scale;
}
mod->bsp.lmtexcoords[coordind + 0] = s;
mod->bsp.lmtexcoords[coordind + 1] = t;
/* normal vectors */
if (surf->texinfo->flags & SURF_PHONG && VectorNotEmpty(vert->normal))
normal = vert->normal; /* phong shaded */
else
normal = surf->normal; /* per plane */
memcpy(&mod->bsp.normals[vertind], normal, sizeof(vec3_t));
/* tangent vector */
TangentVectors(normal, sdir, tdir, tangent, binormal);
memcpy(&mod->bsp.tangents[tangind], tangent, sizeof(vec4_t));
vertind += 3;
coordind += 2;
tangind += 4;
}
}
if (qglBindBuffer) {
/* and also the vertex buffer objects */
qglGenBuffers(1, &mod->bsp.vertex_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.vertex_buffer);
qglBufferData(GL_ARRAY_BUFFER, vertind * sizeof(GLfloat), mod->bsp.verts, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.texcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.texcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, coordind * sizeof(GLfloat), mod->bsp.texcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.lmtexcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.lmtexcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, coordind * sizeof(GLfloat), mod->bsp.lmtexcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.normal_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.normal_buffer);
qglBufferData(GL_ARRAY_BUFFER, vertind * sizeof(GLfloat), mod->bsp.normals, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.tangent_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.tangent_buffer);
qglBufferData(GL_ARRAY_BUFFER, tangind * sizeof(GLfloat), mod->bsp.tangents, GL_STATIC_DRAW);
qglBindBuffer(GL_ARRAY_BUFFER, 0);
}
}
/**
* @brief Prepares the particle rendering, calculate new position, velocity and all the
* other particle values that are needed to display it
* @sa CL_ParticleRun
* @param[in,out] p The particle to handle
*/
static void CL_ParticleRun2 (ptl_t *p)
{
/* advance time */
p->dt = cls.frametime;
p->t = (cl.time - p->startTime) * 0.001f;
p->lastThink += p->dt;
p->lastFrame += p->dt;
if (p->rounds && !p->roundsCnt)
p->roundsCnt = p->rounds;
/* test for end of life */
if (p->life && p->t >= p->life && !p->parent) {
CL_ParticleFree(p);
return;
/* don't play the weather particles if a user don't want them there can
* be a lot of weather particles - which might slow the computer down */
} else if (p->weather && !cl_particleweather->integer) {
CL_ParticleFree(p);
return;
}
/* kinematics */
if (p->style != STYLE_LINE) {
VectorMA(p->s, 0.5 * p->dt * p->dt, p->a, p->s);
VectorMA(p->s, p->dt, p->v, p->s);
VectorMA(p->v, p->dt, p->a, p->v);
VectorMA(p->angles, p->dt, p->omega, p->angles);
}
/* basic 'physics' for particles */
if (p->physics) {
vec3_t mins, maxs;
const float size = std::max(p->size[0], p->size[1]);
if (p->hitSolid && p->bounce) {
VectorCopy(p->oldV, p->v);
VectorNegate(p->a, p->a);
p->hitSolid = false;
}
/* if the particle hit a solid already and is sticking to the surface, no further
* traces are needed */
if (p->hitSolid && p->stick)
return;
VectorSet(mins, -size, -size, -size);
VectorSet(maxs, size, size, size);
const trace_t tr = PTL_Trace(p, mins, maxs);
/* hit something solid */
if (tr.fraction < 1.0 || tr.startsolid) {
p->hitSolid = true;
/* now execute the physics handler */
if (p->ctrl->physics)
CL_ParticleFunction(p, p->ctrl->physics);
/* let them stay on the ground until they fade out or die */
if (!p->stayalive) {
CL_ParticleFree(p);
return;
} else if (p->bounce) {
/* bounce */
vec3_t temp;
VectorCopy(p->v, p->oldV);
VectorScale(tr.plane.normal, -DotProduct(tr.plane.normal, p->v), temp);
VectorAdd(temp, p->v, temp);
VectorAdd(temp, temp, p->v);
VectorNegate(p->a, p->a);
} else {
VectorClear(p->v);
}
VectorCopy(tr.endpos, p->s);
}
}
/* run */
CL_ParticleFunction(p, p->ctrl->run);
/* think */
while (p->tps && p->lastThink * p->tps >= 1) {
CL_ParticleFunction(p, p->ctrl->think);
p->lastThink -= 1.0 / p->tps;
}
/* animate */
while (p->fps && p->lastFrame * p->fps >= 1) {
/* advance frame */
p->frame++;
if (p->frame > p->endFrame)
p->frame = 0;
p->lastFrame -= 1.0 / p->fps;
/* load next frame */
assert(p->pic);
p->pic = CL_ParticleGetArt(p->pic->name, p->frame, ART_PIC);
}
/* fading */
if (p->thinkFade || p->frameFade) {
const bool onlyAlpha = (p->blend == BLEND_BLEND);
if (!onlyAlpha)
Vector4Set(p->color, 1.0f, 1.0f, 1.0f, 1.0f);
else
p->color[3] = 1.0;
if (p->thinkFade)
CL_Fading(p->color, p->thinkFade, p->lastThink * p->tps, onlyAlpha);
if (p->frameFade)
CL_Fading(p->color, p->frameFade, p->lastFrame * p->fps, onlyAlpha);
}
/* this is useful for particles like weather effects that are on top of
* some other brushes in higher level but should be visible in lower ones */
if (p->autohide) {
const int z = (int)p->s[2] / UNIT_HEIGHT;
if (z > cl_worldlevel->integer) {
p->invis = true;
return;
} else if (z < 0) {
CL_ParticleFree(p);
return;
}
}
/* add light to the scene */
if (VectorNotEmpty(p->lightColor)) {
const float intensity = 0.5 + p->lightIntensity;
if (p->lightSustain)
R_AddSustainedLight(p->s, intensity * PTL_INTENSITY_TO_RADIUS, p->lightColor, p->lightSustain);
else
R_AddLight(p->s, intensity * PTL_INTENSITY_TO_RADIUS, p->lightColor);
}
/* set the new origin */
VectorCopy(p->s, p->origin);
p->invis = false;
}
/**
* @brief
* @sa FinalLightFace
*/
void BuildFacelights (unsigned int facenum)
{
dBspSurface_t* face;
dBspPlane_t* plane;
dBspTexinfo_t* tex;
float* center;
float* sdir, *tdir;
vec3_t normal, binormal;
vec4_t tangent;
lightinfo_t li;
float scale;
int i, j, numsamples;
facelight_t* fl;
int* headhints;
const int grid_type = config.soft ? 1 : 0;
if (facenum >= MAX_MAP_FACES) {
Com_Printf("MAX_MAP_FACES hit\n");
return;
}
face = &curTile->faces[facenum];
plane = &curTile->planes[face->planenum];
tex = &curTile->texinfo[face->texinfo];
if (tex->surfaceFlags & SURF_WARP)
return; /* non-lit texture */
sdir = tex->vecs[0];
tdir = tex->vecs[1];
/* lighting -extra antialiasing */
if (config.extrasamples)
numsamples = config.soft ? SOFT_SAMPLES : MAX_SAMPLES;
else
numsamples = 1;
OBJZERO(li);
scale = 1.0 / numsamples; /* each sample contributes this much */
li.face = face;
li.facedist = plane->dist;
VectorCopy(plane->normal, li.facenormal);
/* negate the normal and dist */
if (face->side) {
VectorNegate(li.facenormal, li.facenormal);
li.facedist = -li.facedist;
}
/* get the origin offset for rotating bmodels */
VectorCopy(face_offset[facenum], li.modelorg);
/* calculate lightmap texture mins and maxs */
CalcLightinfoExtents(&li);
/* and the lightmap texture vectors */
CalcLightinfoVectors(&li);
/* now generate all of the sample points */
CalcPoints(&li, 0, 0);
fl = &facelight[config.compile_for_day][facenum];
fl->numsamples = li.numsurfpt;
fl->samples = Mem_AllocTypeN(vec3_t, fl->numsamples);
fl->directions = Mem_AllocTypeN(vec3_t, fl->numsamples);
center = face_extents[facenum].center; /* center of the face */
/* Also setup the hints. Each hint is specific to each light source, including sunlight. */
headhints = Mem_AllocTypeN(int, (numlights[config.compile_for_day] + 1));
/* calculate light for each sample */
for (i = 0; i < fl->numsamples; i++) {
float* const sample = fl->samples[i]; /* accumulate lighting here */
float* const direction = fl->directions[i]; /* accumulate direction here */
if (tex->surfaceFlags & SURF_PHONG)
/* interpolated normal */
SampleNormal(&li, li.surfpt[i], normal);
else
/* or just plane normal */
VectorCopy(li.facenormal, normal);
for (j = 0; j < numsamples; j++) { /* with antialiasing */
vec3_t pos;
/* add offset for supersampling */
VectorMA(li.surfpt[i], sampleofs[grid_type][j][0] * li.step, li.textoworld[0], pos);
VectorMA(pos, sampleofs[grid_type][j][1] * li.step, li.textoworld[1], pos);
NudgeSamplePosition(pos, normal, center, pos);
GatherSampleLight(pos, normal, sample, direction, scale, headhints);
}
if (VectorNotEmpty(direction)) {
vec3_t dir;
/* normalize it */
VectorNormalize(direction);
/* finalize the lighting direction for the sample */
TangentVectors(normal, sdir, tdir, tangent, binormal);
dir[0] = DotProduct(direction, tangent);
dir[1] = DotProduct(direction, binormal);
dir[2] = DotProduct(direction, normal);
VectorCopy(dir, direction);
}
}
/* Free the hints. */
Mem_Free(headhints);
for (i = 0; i < fl->numsamples; i++) { /* pad them */
float* const direction = fl->directions[i];
if (VectorEmpty(direction))
VectorSet(direction, 0.0, 0.0, 1.0);
}
/* free the sample positions for the face */
Mem_Free(li.surfpt);
}
/**
* @brief This function recalculates the routing surrounding the entity name.
* @sa CM_InlineModel
* @sa CM_CheckUnit
* @sa CM_UpdateConnection
* @sa CMod_LoadSubmodels
* @sa Grid_RecalcBoxRouting
* @param[in] mapTiles List of tiles the current (RMA-)map is composed of
* @param[in] routing The routing map (either server or client map)
* @param[in] name Name of the inline model to compute the mins/maxs for
* @param[in] box The box around the inline model (alternative to name)
* @param[in] list The local models list (a local model has a name starting with * followed by the model number)
*/
void Grid_RecalcRouting (mapTiles_t* mapTiles, Routing& routing, const char* name, const GridBox& box, const char** list)
{
if (box.isZero()) {
/* get inline model, if it is one */
if (*name != '*') {
Com_Printf("Called Grid_RecalcRouting with no inline model\n");
return;
}
const cBspModel_t* model = CM_InlineModel(mapTiles, name);
if (!model) {
Com_Printf("Called Grid_RecalcRouting with invalid inline model name '%s'\n", name);
return;
}
AABB absbox;
#if 1
/* An attempt to fix the 'doors starting opened' bug (# 3456).
* The main difference is the (missing) rotation of the halfVec.
* The results are better, but do not fix the problem. */
CalculateMinsMaxs(model->angles, model->cbmBox, model->origin, absbox);
#else
/* get the target model's dimensions */
if (VectorNotEmpty(model->angles)) {
vec3_t minVec, maxVec;
vec3_t centerVec, halfVec, newCenterVec;
vec3_t m[3];
/* Find the center of the extents. */
model->cbmBox.getCenter(centerVec);
/* Find the half height and half width of the extents. */
VectorSubtract(model->cbmBox.maxs, centerVec, halfVec);
/* Rotate the center about the origin. */
VectorCreateRotationMatrix(model->angles, m);
VectorRotate(m, centerVec, newCenterVec);
/* Set minVec and maxVec to bound around newCenterVec at halfVec size. */
VectorSubtract(newCenterVec, halfVec, minVec);
VectorAdd(newCenterVec, halfVec, maxVec);
/* Now offset by origin then convert to position (Doors do not have 0 origins) */
absbox.set(minVec, maxVec);
absbox.shift(model->origin);
} else { /* normal */
/* Now offset by origin then convert to position (Doors do not have 0 origins) */
absbox.set(model->cbmBox);
absbox.shift(model->origin);
}
#endif
GridBox rerouteBox(absbox);
/* fit min/max into the world size */
rerouteBox.clipToMaxBoundaries();
/* We now have the dimensions, call the generic rerouting function. */
Grid_RecalcBoxRouting(mapTiles, routing, rerouteBox, list);
} else {
/* use the passed box */
Grid_RecalcBoxRouting(mapTiles, routing, box, list);
}
}
/**
* @brief Parsed map entites and brushes
* @sa ParseBrush
* @param[in] filename The map filename
* @param[in] entityString The body of the entity we are parsing
*/
static bool ParseMapEntity (const char* filename, const char* entityString)
{
entity_t* mapent;
const char* entName;
static int worldspawnCount = 0;
int notCheckOrFix = !(config.performMapCheck || config.fixMap);
if (Q_strnull(GetToken()))
return false;
if (*parsedToken != '{')
Sys_Error("ParseMapEntity: { not found");
if (num_entities == MAX_MAP_ENTITIES)
Sys_Error("num_entities == MAX_MAP_ENTITIES (%i)", num_entities);
mapent = &entities[num_entities++];
OBJZERO(*mapent);
mapent->firstbrush = nummapbrushes;
mapent->numbrushes = 0;
do {
if (Q_strnull(GetToken()))
Sys_Error("ParseMapEntity: EOF without closing brace");
if (*parsedToken == '}')
break;
if (*parsedToken == '{')
ParseBrush(mapent, filename);
else {
epair_t* e = ParseEpair(num_entities);
e->next = mapent->epairs;
mapent->epairs = e;
}
} while (true);
GetVectorForKey(mapent, "origin", mapent->origin);
entName = ValueForKey(mapent, "classname");
/* offset all of the planes and texinfo if needed */
if (IsInlineModelEntity(entName) && VectorNotEmpty(mapent->origin))
AdjustBrushesForOrigin(mapent);
if (num_entities == 1 && !Q_streq("worldspawn", entName))
Sys_Error("The first entity must be worldspawn, it is: %s", entName);
if (notCheckOrFix && Q_streq("func_group", entName)) {
/* group entities are just for editor convenience
* toss all brushes into the world entity */
MoveBrushesToWorld(mapent);
num_entities--;
} else if (IsInlineModelEntity(entName)) {
if (mapent->numbrushes == 0 && notCheckOrFix) {
Com_Printf("Warning: %s has no brushes assigned (entnum: %i)\n", entName, num_entities);
num_entities--;
}
} else if (Q_streq("worldspawn", entName)) {
worldspawnCount++;
if (worldspawnCount > 1)
Com_Printf("Warning: more than one %s in one map\n", entName);
const char* text = entityString;
do {
const char* token = Com_Parse(&text);
if (Q_strnull(token))
break;
const char* key = Mem_StrDup(token);
token = Com_Parse(&text);
if (Q_strnull(token))
break;
const char* value = Mem_StrDup(token);
epair_t* e = AddEpair(key, value, num_entities);
e->next = mapent->epairs;
mapent->epairs = e;
} while (true);
}
return true;
}
/** @note Defaults should match those of ufo2map, or lighting will be inconsistent between world and models */
static void SP_worldspawn (const localEntityParse_t* entData)
{
/* maximum level */
cl.mapMaxLevel = entData->maxLevel;
if (GAME_IsMultiplayer()) {
if (cl_teamnum->integer > entData->maxMultiplayerTeams || cl_teamnum->integer <= TEAM_CIVILIAN) {
Com_Printf("The selected team is not usable. "
"The map doesn't support %i teams but only %i teams\n",
cl_teamnum->integer, entData->maxMultiplayerTeams);
Cvar_SetValue("cl_teamnum", TEAM_DEFAULT);
Com_Printf("Set teamnum to %i\n", cl_teamnum->integer);
}
}
/** @todo - make sun position/color vary based on local time at location? */
const int dayLightmap = CL_GetConfigStringInteger(CS_LIGHTMAP);
/** @note Some vectors have exra elements to comply with mathlib and/or OpenGL conventions, but handled as shorter ones */
vec3_t sunAngles;
vec4_t sunColor;
vec_t sunIntensity;
if (dayLightmap) {
/* set defaults for daylight */
Vector4Set(refdef.ambientColor, 0.26, 0.26, 0.26, 1.0);
sunIntensity = 280;
VectorSet(sunAngles, -75, 100, 0);
Vector4Set(sunColor, 0.90, 0.75, 0.65, 1.0);
/* override defaults with data from worldspawn entity, if any */
if (VectorNotEmpty(entData->ambientDayColor))
VectorCopy(entData->ambientDayColor, refdef.ambientColor);
if (entData->dayLight)
sunIntensity = entData->dayLight;
if (Vector2NotEmpty(entData->daySunAngles))
Vector2Copy(entData->daySunAngles, sunAngles);
if (VectorNotEmpty(entData->daySunColor))
VectorCopy(entData->daySunColor, sunColor);
Vector4Set(refdef.sunSpecularColor, 1.0, 1.0, 0.9, 1);
} else {
/* set defaults for night light */
Vector4Set(refdef.ambientColor, 0.16, 0.16, 0.17, 1.0);
sunIntensity = 15;
VectorSet(sunAngles, -80, 220, 0);
Vector4Set(sunColor, 0.25, 0.25, 0.35, 1.0);
/* override defaults with data from worldspawn entity, if any */
if (VectorNotEmpty(entData->ambientNightColor))
VectorCopy(entData->ambientNightColor, refdef.ambientColor);
if (entData->nightLight)
sunIntensity = entData->nightLight;
if (Vector2NotEmpty(entData->nightSunAngles))
Vector2Copy(entData->nightSunAngles, sunAngles);
if (VectorNotEmpty(entData->nightSunColor))
VectorCopy(entData->nightSunColor, sunColor);
Vector4Set(refdef.sunSpecularColor, 0.5, 0.5, 0.7, 1);
}
ColorNormalize(sunColor, sunColor);
VectorScale(sunColor, sunIntensity/255.0, sunColor);
Vector4Copy(sunColor, refdef.sunDiffuseColor);
/* clamp ambient for models */
Vector4Copy(refdef.ambientColor, refdef.modelAmbientColor);
for (int i = 0; i < 3; i++)
if (refdef.modelAmbientColor[i] < MIN_AMBIENT_COMPONENT)
refdef.modelAmbientColor[i] = MIN_AMBIENT_COMPONENT;
/* scale it into a reasonable range, the clamp above ensures this will work */
while (VectorSum(refdef.modelAmbientColor) < MIN_AMBIENT_SUM)
VectorScale(refdef.modelAmbientColor, 1.25, refdef.modelAmbientColor);
AngleVectors(sunAngles, refdef.sunVector, nullptr, nullptr);
refdef.sunVector[3] = 0.0; /* to use as directional light source in OpenGL */
/** @todo Parse fog from worldspawn config */
refdef.weather = WEATHER_NONE;
refdef.fogColor[3] = 1.0;
VectorSet(refdef.fogColor, 0.75, 0.75, 0.75);
}
/**
* @brief Draw a model from the battlescape entity list
* @sa R_GetEntityLists
*/
void R_DrawAliasModel (entity_t *e)
{
mAliasModel_t *mod = &e->model->alias;
/* the values are sane here already - see R_GetEntityLists */
const image_t *skin = mod->meshes[e->as.mesh].skins[e->skinnum].skin;
int i;
float g;
vec4_t color = {0.8, 0.8, 0.8, 1.0};
mAliasMesh_t *mesh;
/* IR goggles override color for entities that are affected */
if ((refdef.rendererFlags & RDF_IRGOGGLES) && (e->flags & RF_IRGOGGLES))
Vector4Set(e->shell, 1.0, 0.3, 0.3, 1.0);
if (e->flags & RF_PULSE) { /* and then adding in a pulse */
const float f = 1.0 + sin((refdef.time + (e->model->alias.meshes[0].num_tris)) * 6.0) * 0.33;
VectorScale(color, 1.0 + f, color);
}
g = 0.0;
/* find brightest component */
for (i = 0; i < 3; i++) {
if (color[i] > g) /* keep it */
g = color[i];
}
/* scale it back to 1.0 */
if (g > 1.0)
VectorScale(color, 1.0 / g, color);
R_Color(color);
assert(skin->texnum > 0);
R_BindTexture(skin->texnum);
R_EnableGlowMap(skin->glowmap);
R_UpdateLightList(e);
R_EnableModelLights(e->lights, e->numLights, e->inShadow, true);
/** @todo this breaks the encapsulation - don't call CL_* functions from within the renderer code */
if (r_debug_lights->integer) {
for (i = 0; i < e->numLights && i < r_dynamic_lights->integer; i++)
CL_ParticleSpawn("lightTracerDebug", 0, e->transform.matrix + 12, e->lights[i]->origin);
}
if (skin->normalmap)
R_EnableBumpmap(skin->normalmap);
if (skin->specularmap)
R_EnableSpecularMap(skin->specularmap, true);
if (skin->roughnessmap)
R_EnableRoughnessMap(skin->roughnessmap, true);
glPushMatrix();
glMultMatrixf(e->transform.matrix);
if (VectorNotEmpty(e->scale))
glScalef(e->scale[0], e->scale[1], e->scale[2]);
mesh = R_DrawAliasModelBuffer(e);
if (r_state.specularmap_enabled)
R_EnableSpecularMap(NULL, false);
if (r_state.roughnessmap_enabled)
R_EnableRoughnessMap(NULL, false);
R_EnableModelLights(NULL, 0, false, false);
R_EnableGlowMap(NULL);
if (r_state.active_normalmap)
R_EnableBumpmap(NULL);
R_DrawMeshShadow(e, mesh);
if (mod->num_frames == 1)
R_ResetArraysAfterStaticMeshRender();
glPopMatrix();
/* show model bounding box */
if (r_showbox->integer)
R_DrawBoundingBox(mod->frames[e->as.frame].mins, mod->frames[e->as.frame].maxs);
R_Color(NULL);
}
