/**
* @brief Allocates a new lightmap (or deluxemap) image handle.
*/
static r_image_t *R_AllocLightmap_(r_image_type_t type, const r_pixel_t width, const r_pixel_t height) {
static uint32_t count;
char name[MAX_QPATH];
const char *base;
switch (type) {
case IT_LIGHTMAP:
default:
base = "lightmap";
break;
case IT_DELUXEMAP:
base = "deluxemap";
break;
case IT_STAINMAP:
base = "stainmap";
break;
}
g_snprintf(name, sizeof(name), "%s %u", base, count++);
r_image_t *image = (r_image_t *) R_AllocMedia(name, sizeof(r_image_t), MEDIA_IMAGE);
image->media.Free = R_FreeLightmap;
image->type = type;
image->width = width;
image->height = height;
return image;
}
/**
* @brief Creates a blank state for an atlas and returns it.
*/
r_atlas_t *R_CreateAtlas(const char *name) {
r_atlas_t *atlas = (r_atlas_t *) R_AllocMedia(name, sizeof(r_atlas_t), MEDIA_ATLAS);
atlas->image.media.Free = R_FreeAtlas;
atlas->image.type = IT_ATLAS_MAP;
g_strlcpy(atlas->image.media.name, name, sizeof(atlas->image.media.name));
if (r_atlas->value) {
atlas->images = g_array_new(false, true, sizeof(r_atlas_image_t));
atlas->hash = g_hash_table_new(g_direct_hash, g_direct_equal);
}
return atlas;
}
/*
* @brief Initializes the null (default) image, used when the desired texture
* is not available.
*/
static void R_InitNullImage(void) {
r_image_state.null = (r_image_t *) R_AllocMedia("r_image_state.null", sizeof(r_image_t));
r_image_state.null->media.Retain = R_RetainImage;
r_image_state.null->media.Free = R_FreeImage;
r_image_state.null->width = r_image_state.null->height = 16;
r_image_state.null->type = IT_NULL;
byte data[16 * 16 * 3];
memset(&data, 0xff, sizeof(data));
R_UploadImage(r_image_state.null, GL_RGB, data);
}
/*
* @brief Loads the image by the specified name.
*/
r_image_t *R_LoadImage(const char *name, r_image_type_t type) {
r_image_t *image;
char key[MAX_QPATH];
if (!name || !name[0]) {
Com_Error(ERR_DROP, "NULL name\n");
}
StripExtension(name, key);
if (!(image = (r_image_t *) R_FindMedia(key))) {
SDL_Surface *surf;
if (Img_LoadImage(key, &surf)) { // attempt to load the image
image = (r_image_t *) R_AllocMedia(key, sizeof(r_image_t));
image->media.Retain = R_RetainImage;
image->media.Free = R_FreeImage;
image->width = surf->w;
image->height = surf->h;
image->type = type;
if (image->type == IT_NORMALMAP) {
R_LoadHeightmap(name, surf);
}
if (image->type & IT_MASK_FILTER) {
R_FilterImage(image, GL_RGBA, surf->pixels);
}
R_UploadImage(image, GL_RGBA, surf->pixels);
SDL_FreeSurface(surf);
} else {
Com_Debug("Couldn't load %s\n", key);
image = r_image_state.null;
}
}
return image;
}
/*
* @brief Initializes the warp texture, used by r_program_warp.c.
*/
static void R_InitWarpImage(void) {
r_image_state.warp = (r_image_t *) R_AllocMedia("r_image_state.warp", sizeof(r_image_t));
r_image_state.warp->media.Retain = R_RetainImage;
r_image_state.warp->media.Free = R_FreeImage;
r_image_state.warp->width = r_image_state.warp->height = WARP_SIZE;
r_image_state.warp->type = IT_PROGRAM;
byte data[WARP_SIZE][WARP_SIZE][4];
r_pixel_t i, j;
for (i = 0; i < WARP_SIZE; i++) {
for (j = 0; j < WARP_SIZE; j++) {
data[i][j][0] = Random() % 255;
data[i][j][1] = Random() % 255;
data[i][j][2] = Random() % 48;
data[i][j][3] = Random() % 48;
}
}
R_UploadImage(r_image_state.warp, GL_RGBA, (byte *) data);
}
/*
* @brief Loads the model by the specified name.
*/
r_model_t *R_LoadModel(const char *name) {
r_model_t *mod;
char key[MAX_QPATH];
size_t i;
if (!name || !name[0]) {
Com_Error(ERR_DROP, "R_LoadModel: NULL name\n");
}
if (*name == '*') {
g_snprintf(key, sizeof(key), "%s#%s", r_model_state.world->media.name, name + 1);
} else {
StripExtension(name, key);
}
if (!(mod = (r_model_t *) R_FindMedia(key))) {
void *buf;
const r_model_format_t *format = r_model_formats;
for (i = 0; i < lengthof(r_model_formats); i++, format++) {
StripExtension(name, key);
strcat(key, format->extension);
if (Fs_Load(key, &buf) != -1)
break;
}
if (i == lengthof(r_model_formats)) { // not found
if (strstr(name, "players/")) {
Com_Debug("Failed to load player %s\n", name);
} else {
Com_Warn("Failed to load %s\n", name);
}
return NULL;
}
StripExtension(name, key);
mod = (r_model_t *) R_AllocMedia(key, sizeof(r_model_t));
mod->media.Register = R_RegisterModel;
mod->media.Free = R_FreeModel;
mod->type = format->type;
// load the materials first, so that we can resolve surfaces lists
R_LoadMaterials(mod);
// load it
format->Load(mod, buf);
// free the file
Fs_Free(buf);
// assemble vertex buffer objects from static arrays
R_LoadVertexBuffers(mod);
// calculate an approximate radius from the bounding box
vec3_t tmp;
VectorSubtract(mod->maxs, mod->mins, tmp);
mod->radius = VectorLength(tmp) / 2.0;
R_RegisterMedia((r_media_t *) mod);
}
return mod;
}