/**
* @brief Consume raw lightmap and deluxemap RGB/XYZ data from the surface samples,
* writing processed lightmap and deluxemap RGB to the specified destinations.
*
* @param in The beginning of the surface lightmap [and deluxemap] data.
* @param sout The destination for processed lightmap data.
* @param dout The destination for processed deluxemap data.
*/
static void R_BuildLightmap(const r_bsp_model_t *bsp, const r_bsp_surface_t *surf, const byte *in,
byte *lout, byte *dout, size_t stride) {
const uint32_t smax = surf->lightmap_size[0];
const uint32_t tmax = surf->lightmap_size[1];
const size_t size = smax * tmax;
stride -= (smax * 3);
byte *lightmap = (byte *) Mem_TagMalloc(size * 3, MEM_TAG_RENDERER);
byte *lm = lightmap;
byte *deluxemap = (byte *) Mem_TagMalloc(size * 3, MEM_TAG_RENDERER);
byte *dm = deluxemap;
// convert the raw lightmap samples to RGBA for softening
for (size_t i = 0; i < size; i++) {
*lm++ = *in++;
*lm++ = *in++;
*lm++ = *in++;
// read in directional samples for per-pixel lighting as well
if (bsp->version == BSP_VERSION_QUETOO) {
*dm++ = *in++;
*dm++ = *in++;
*dm++ = *in++;
} else {
*dm++ = 127;
*dm++ = 127;
*dm++ = 255;
}
}
// apply modulate, contrast, saturation, etc..
R_FilterLightmap(smax, tmax, lightmap);
// the lightmap is uploaded to the card via the strided block
lm = lightmap;
dm = deluxemap;
for (uint32_t t = 0; t < tmax; t++, lout += stride, dout += stride) {
for (uint32_t s = 0; s < smax; s++) {
// copy the lightmap and deluxemap to the strided block
*lout++ = *lm++;
*lout++ = *lm++;
*lout++ = *lm++;
*dout++ = *dm++;
*dout++ = *dm++;
*dout++ = *dm++;
}
}
Mem_Free(lightmap);
Mem_Free(deluxemap);
}
/**
* @brief
*/
static void Cm_LoadBspSurfaces(void) {
const int32_t num_texinfo = cm_bsp.bsp.num_texinfo;
const bsp_texinfo_t *in = cm_bsp.bsp.texinfo;
cm_bsp_texinfo_t *out = cm_bsp.texinfos = Mem_TagMalloc(sizeof(cm_bsp_texinfo_t) * num_texinfo, MEM_TAG_CMODEL);
for (int32_t i = 0; i < num_texinfo; i++, in++, out++) {
g_strlcpy(out->name, in->texture, sizeof(out->name));
out->flags = in->flags;
out->value = in->value;
char material_name[MAX_QPATH];
g_snprintf(material_name, sizeof(material_name), "textures/%s", out->name);
Cm_MaterialName(material_name, material_name, sizeof(material_name));
for (cm_material_t *material = cm_bsp.materials; material; material = material->next) {
if (!g_strcmp0(material->base, material_name)) {
out->material = material;
break;
}
}
}
}
/**
* @brief
*/
static void Cm_LoadBspBrushSides(void) {
static cm_bsp_texinfo_t null_texinfo;
const int32_t num_brush_sides = cm_bsp.bsp.num_brush_sides;
const bsp_brush_side_t *in = cm_bsp.bsp.brush_sides;
cm_bsp_brush_side_t *out = cm_bsp.brush_sides = Mem_TagMalloc(sizeof(cm_bsp_brush_side_t) * (num_brush_sides + 6), MEM_TAG_CMODEL); // extra for box hull
for (int32_t i = 0; i < num_brush_sides; i++, in++, out++) {
const int32_t p = in->plane_num;
if (p >= cm_bsp.bsp.num_planes) {
Com_Error(ERROR_DROP, "Brush side %d has invalid plane %d\n", i, p);
}
out->plane = &cm_bsp.planes[p];
const int32_t s = in->surf_num;
if (s == USHRT_MAX) {
out->surface = &null_texinfo;
} else {
// NOTE: "surface" and "texinfo" are used interchangably here. yuck.
if (s >= cm_bsp.bsp.num_texinfo) {
Com_Error(ERROR_DROP, "Brush side %d has invalid surface %d\n", i, s);
}
out->surface = &cm_bsp.texinfos[s];
}
}
}
/*
* @brief Returns a newly allocated s_media_t with the specified name.
*
* @param size_t size The number of bytes to allocate for the media.
*
* @return The newly initialized media.
*/
s_media_t *S_AllocMedia(const char *name, size_t size) {
if (!name || !*name) {
Com_Error(ERR_DROP, "NULL name\n");
}
s_media_t *media = Mem_TagMalloc(size, MEM_TAG_SOUND);
g_strlcpy(media->name, name, sizeof(media->name));
return media;
}
/**
* @brief
*/
static cl_server_info_t *Cl_AddServer(const net_addr_t *addr) {
cl_server_info_t *s;
s = (cl_server_info_t *) Mem_TagMalloc(sizeof(*s), MEM_TAG_CLIENT);
s->addr = *addr;
g_strlcpy(s->hostname, Net_NetaddrToString(&s->addr), sizeof(s->hostname));
cls.servers = g_list_prepend(cls.servers, s);
return s;
}
/**
* @brief
*/
static void Cm_LoadBspLeafBrushes(void) {
const int32_t num_leaf_brushes = cm_bsp.bsp.num_leaf_brushes;
const uint16_t *in = cm_bsp.bsp.leaf_brushes;
uint16_t *out = cm_bsp.leaf_brushes = Mem_TagMalloc(sizeof(uint16_t) * (num_leaf_brushes + 1), MEM_TAG_CMODEL); // extra for box hull
for (int32_t i = 0; i < num_leaf_brushes; i++, in++, out++) {
*out = *in;
}
}
/**
* @brief
*/
winding_t *AllocWinding(int32_t points) {
if (debug) {
SDL_SemPost(semaphores.active_windings);
uint32_t active_windings = SDL_SemValue(semaphores.active_windings);
if (active_windings > c_peak_windings) {
c_peak_windings = active_windings;
}
}
return Mem_TagMalloc(sizeof(int32_t) + sizeof(vec3_t) * points, MEM_TAG_WINDING);
}
/**
* @brief
*/
static void Cm_LoadBspBrushes(void) {
const int32_t num_brushes = cm_bsp.bsp.num_brushes;
const bsp_brush_t *in = cm_bsp.bsp.brushes;
cm_bsp_brush_t *out = cm_bsp.brushes = Mem_TagMalloc(sizeof(cm_bsp_brush_t) * (num_brushes + 1), MEM_TAG_CMODEL); // extra for box hull
for (int32_t i = 0; i < num_brushes; i++, in++, out++) {
out->first_brush_side = in->first_brush_side;
out->num_sides = in->num_sides;
out->contents = in->contents;
}
}
/**
* @brief
*/
static void Cm_LoadBspAreas(void) {
const int32_t num_areas = cm_bsp.bsp.num_areas;
const bsp_area_t *in = cm_bsp.bsp.areas;
cm_bsp_area_t *out = cm_bsp.areas = Mem_TagMalloc(sizeof(cm_bsp_area_t) * num_areas, MEM_TAG_CMODEL);
for (int32_t i = 0; i < num_areas; i++, in++, out++) {
out->num_area_portals = in->num_area_portals;
out->first_area_portal = in->first_area_portal;
out->flood_valid = 0;
out->flood_num = 0;
}
}
/**
* @brief
*/
static void Cm_LoadBspNodes(void) {
const int32_t num_nodes = cm_bsp.bsp.num_nodes;
const bsp_node_t *in = cm_bsp.bsp.nodes;
cm_bsp_node_t *out = cm_bsp.nodes = Mem_TagMalloc(sizeof(cm_bsp_node_t) * (num_nodes + 6), MEM_TAG_CMODEL); // extra for box hull
for (int32_t i = 0; i < num_nodes; i++, in++, out++) {
out->plane = cm_bsp.planes + in->plane_num;
for (int32_t j = 0; j < 2; j++) {
out->children[j] = in->children[j];
}
}
}
/**
* @brief
*/
static void Cm_LoadBspInlineModels(void) {
const int32_t num_models = cm_bsp.bsp.num_models;
const bsp_model_t *in = cm_bsp.bsp.models;
cm_bsp_model_t *out = cm_bsp.models = Mem_TagMalloc(sizeof(cm_bsp_model_t) * num_models, MEM_TAG_CMODEL);
for (int32_t i = 0; i < num_models; i++, in++, out++) {
for (int32_t j = 0; j < 3; j++) {
out->mins[j] = in->mins[j] - 1.0;
out->maxs[j] = in->maxs[j] + 1.0;
out->origin[j] = in->origin[j];
}
out->head_node = in->head_node;
}
}
/**
* @brief
*/
static void Cm_LoadBspPlanes(void) {
const int32_t num_planes = cm_bsp.bsp.num_planes;
const bsp_plane_t *in = cm_bsp.bsp.planes;
cm_bsp_plane_t *out = cm_bsp.planes = Mem_TagMalloc(sizeof(cm_bsp_plane_t) * (num_planes + 12), MEM_TAG_CMODEL); // extra for box hull
for (int32_t i = 0; i < num_planes; i++, in++, out++) {
// copied from bsp_
VectorCopy(in->normal, out->normal);
out->dist = in->dist;
out->type = in->type;
// local to cm_
out->sign_bits = Cm_SignBitsForPlane(out);
out->num = (i >> 1) + 1;
}
}
/**
* @brief
*/
static void Cm_LoadBspLeafs(void) {
const int32_t num_leafs = cm_bsp.bsp.num_leafs;
const bsp_leaf_t *in = cm_bsp.bsp.leafs;
cm_bsp_leaf_t *out = cm_bsp.leafs = Mem_TagMalloc(sizeof(cm_bsp_leaf_t) * (num_leafs + 1), MEM_TAG_CMODEL); // extra for box hull
for (int32_t i = 0; i < num_leafs; i++, in++, out++) {
out->contents = in->contents;
out->cluster = in->cluster;
out->area = in->area;
out->first_leaf_brush = in->first_leaf_brush;
out->num_leaf_brushes = in->num_leaf_brushes;
}
if (cm_bsp.leafs[0].contents != CONTENTS_SOLID) {
Com_Error(ERROR_DROP, "Map leaf 0 is not CONTENTS_SOLID\n");
}
}
/**
* @brief
*/
void R_InitProgram_default(r_program_t *program) {
r_default_program_t *p = &r_default_program;
p->program = program;
R_ProgramVariable(&program->attributes[R_ARRAY_POSITION], R_ATTRIBUTE, "POSITION", true);
R_ProgramVariable(&program->attributes[R_ARRAY_COLOR], R_ATTRIBUTE, "COLOR", true);
R_ProgramVariable(&program->attributes[R_ARRAY_DIFFUSE], R_ATTRIBUTE, "TEXCOORD0", true);
R_ProgramVariable(&program->attributes[R_ARRAY_LIGHTMAP], R_ATTRIBUTE, "TEXCOORD1", true);
R_ProgramVariable(&program->attributes[R_ARRAY_NORMAL], R_ATTRIBUTE, "NORMAL", true);
R_ProgramVariable(&program->attributes[R_ARRAY_TANGENT], R_ATTRIBUTE, "TANGENT", true);
R_ProgramVariable(&program->attributes[R_ARRAY_NEXT_POSITION], R_ATTRIBUTE, "NEXT_POSITION", true);
R_ProgramVariable(&program->attributes[R_ARRAY_NEXT_NORMAL], R_ATTRIBUTE, "NEXT_NORMAL", true);
R_ProgramVariable(&program->attributes[R_ARRAY_NEXT_TANGENT], R_ATTRIBUTE, "NEXT_TANGENT", true);
R_ProgramVariable(&p->diffuse, R_UNIFORM_INT, "DIFFUSE", true);
R_ProgramVariable(&p->lightmap, R_UNIFORM_INT, "LIGHTMAP", true);
R_ProgramVariable(&p->normalmap, R_UNIFORM_INT, "NORMALMAP", true);
R_ProgramVariable(&p->glossmap, R_UNIFORM_INT, "GLOSSMAP", true);
R_ProgramVariable(&p->bump, R_UNIFORM_FLOAT, "BUMP", true);
R_ProgramVariable(&p->parallax, R_UNIFORM_FLOAT, "PARALLAX", true);
R_ProgramVariable(&p->hardness, R_UNIFORM_FLOAT, "HARDNESS", true);
R_ProgramVariable(&p->specular, R_UNIFORM_FLOAT, "SPECULAR", true);
R_ProgramVariable(&p->sampler0, R_SAMPLER_2D, "SAMPLER0", true);
R_ProgramVariable(&p->sampler1, R_SAMPLER_2D, "SAMPLER1", true);
R_ProgramVariable(&p->sampler2, R_SAMPLER_2D, "SAMPLER2", true);
R_ProgramVariable(&p->sampler3, R_SAMPLER_2D, "SAMPLER3", true);
R_ProgramVariable(&p->sampler4, R_SAMPLER_2D, "SAMPLER4", true);
R_ProgramVariable(&p->fog.start, R_UNIFORM_FLOAT, "FOG.START", true);
R_ProgramVariable(&p->fog.end, R_UNIFORM_FLOAT, "FOG.END", true);
R_ProgramVariable(&p->fog.color, R_UNIFORM_VEC3, "FOG.COLOR", true);
R_ProgramVariable(&p->fog.density, R_UNIFORM_FLOAT, "FOG.DENSITY", true);
if (r_state.max_active_lights) {
p->lights = Mem_TagMalloc(sizeof(r_uniform_light_t) * r_state.max_active_lights, MEM_TAG_RENDERER);
for (int32_t i = 0; i < r_state.max_active_lights; ++i) {
R_ProgramVariable(&p->lights[i].origin, R_UNIFORM_VEC3, va("LIGHTS.ORIGIN[%i]", i), true);
R_ProgramVariable(&p->lights[i].color, R_UNIFORM_VEC3, va("LIGHTS.COLOR[%i]", i), true);
R_ProgramVariable(&p->lights[i].radius, R_UNIFORM_FLOAT, va("LIGHTS.RADIUS[%i]", i), true);
}
R_ProgramParameter1f(&p->lights[0].radius, 0.0);
} else {
p->lights = NULL;
}
R_ProgramVariable(&p->caustic.enable, R_UNIFORM_INT, "CAUSTIC.ENABLE", true);
R_ProgramVariable(&p->caustic.color, R_UNIFORM_VEC3, "CAUSTIC.COLOR", true);
R_ProgramVariable(&p->normal_mat, R_UNIFORM_MAT4, "NORMAL_MAT", true);
R_ProgramVariable(&p->alpha_threshold, R_UNIFORM_FLOAT, "ALPHA_THRESHOLD", true);
R_ProgramVariable(&p->time_fraction, R_UNIFORM_FLOAT, "TIME_FRACTION", true);
R_ProgramVariable(&p->time, R_UNIFORM_FLOAT, "TIME", true);
R_ProgramParameter1i(&p->lightmap, 0);
R_ProgramParameter1i(&p->normalmap, 0);
R_ProgramParameter1i(&p->glossmap, 0);
R_ProgramParameter1f(&p->bump, 1.0);
R_ProgramParameter1f(&p->parallax, 1.0);
R_ProgramParameter1f(&p->hardness, 1.0);
R_ProgramParameter1f(&p->specular, 1.0);
R_ProgramParameter1i(&p->sampler0, R_TEXUNIT_DIFFUSE);
R_ProgramParameter1i(&p->sampler1, R_TEXUNIT_LIGHTMAP);
R_ProgramParameter1i(&p->sampler2, R_TEXUNIT_DELUXEMAP);
R_ProgramParameter1i(&p->sampler3, R_TEXUNIT_NORMALMAP);
R_ProgramParameter1i(&p->sampler4, R_TEXUNIT_SPECULARMAP);
R_ProgramParameter1f(&p->fog.density, 0.0);
R_ProgramParameter1f(&p->alpha_threshold, ALPHA_TEST_DISABLED_THRESHOLD);
R_ProgramParameter1i(&p->caustic.enable, 0);
R_ProgramParameter1f(&p->time_fraction, 0.0f);
R_ProgramParameter1f(&p->time, 0.0f);
}
/**
* @brief If the variable already exists, the value will not be modified. The
* default value, flags, and description will, however, be updated. This way,
* variables set at the command line can receive their meta data through the
* various subsystem initialization routines.
*/
cvar_t *Cvar_Add(const char *name, const char *value, uint32_t flags, const char *description) {
assert(name);
assert(value);
if (flags & (CVAR_USER_INFO | CVAR_SERVER_INFO)) {
if (!Cvar_InfoValidate(name)) {
Com_Print("Invalid variable name: %s\n", name);
return NULL;
}
if (!Cvar_InfoValidate(value)) {
Com_Print("Invalid variable value: %s\n", value);
return NULL;
}
}
// update existing variables with meta data from owning subsystem
cvar_t *var = Cvar_Get(name);
if (var) {
if (value) {
if (var->default_string) {
Mem_Free((void *) var->default_string);
}
var->default_string = Mem_Link(Mem_TagCopyString(value, MEM_TAG_CVAR), var);
}
var->flags |= flags;
if (description) {
if (var->description) {
Mem_Free((void *) var->description);
}
var->description = Mem_Link(Mem_TagCopyString(description, MEM_TAG_CVAR), var);
}
return var;
}
// create a new variable
var = Mem_TagMalloc(sizeof(*var), MEM_TAG_CVAR);
assert(var);
var->name = Mem_Link(Mem_TagCopyString(name, MEM_TAG_CVAR), var);
var->default_string = Mem_Link(Mem_TagCopyString(value, MEM_TAG_CVAR), var);
var->string = Mem_Link(Mem_TagCopyString(value, MEM_TAG_CVAR), var);
var->value = strtof(var->string, NULL);
var->integer = (int32_t) strtol(var->string, NULL, 0);
var->modified = true;
var->flags = flags;
if (description) {
var->description = Mem_Link(Mem_TagCopyString(description, MEM_TAG_CVAR), var);
}
gpointer key = (gpointer) var->name;
GQueue *queue = (GQueue *) g_hash_table_lookup(cvar_vars, key);
if (!queue) {
queue = g_queue_new();
g_hash_table_insert(cvar_vars, key, queue);
}
g_queue_push_head(queue, var);
return var;
}
/**
* @brief
*/
static void Cm_LoadBspAreaPortals(void) {
const int32_t num_area_portals = cm_bsp.bsp.num_area_portals;
cm_bsp.portal_open = Mem_TagMalloc(sizeof(bool) * num_area_portals, MEM_TAG_CMODEL);
}