/**
* @brief Takes all of the brushes from the current entity and adds them to the world's brush list.
* @note Used by func_group
* @note This will only work if the func_group is the last entity currently known. At the moment,
* this function is only called by ParseMapEntity and this happens directly after the func_group
* is parsed, so this is OK.
* @sa MoveModelToWorld
*/
static void MoveBrushesToWorld (entity_t* mapent)
{
int newbrushes, worldbrushes, i;
mapbrush_t* temp;
/* this is pretty gross, because the brushes are expected to be
* in linear order for each entity */
newbrushes = mapent->numbrushes;
worldbrushes = entities[0].numbrushes;
if (newbrushes == 0)
Sys_Error("Empty func_group - clean your map");
temp = Mem_AllocTypeN(mapbrush_t, newbrushes);
memcpy(temp, mapbrushes + mapent->firstbrush, newbrushes * sizeof(*temp));
/* make space to move the brushes (overlapped copy) */
memmove(mapbrushes + worldbrushes + newbrushes,
mapbrushes + worldbrushes,
sizeof(mapbrush_t) * (nummapbrushes - worldbrushes - newbrushes));
/* copy the new brushes down */
memcpy(mapbrushes + worldbrushes, temp, sizeof(*temp) * newbrushes);
/* fix up indexes */
entities[0].numbrushes += newbrushes;
for (i = 1; i < num_entities; i++)
entities[i].firstbrush += newbrushes;
Mem_Free(temp);
mapent->numbrushes = 0;
}
static void WriteTGA24 (const char* filename, const byte* data, int width, int height, int offset)
{
const int size = width * height * 3;
/* allocate a buffer and set it up */
byte* buffer = Mem_AllocTypeN(byte, size + TGA_HEADER_SIZE);
memset(buffer, 0, TGA_HEADER_SIZE);
buffer[2] = 2;
buffer[12] = width & 255;
buffer[13] = width >> 8;
buffer[14] = height & 255;
buffer[15] = height >> 8;
buffer[16] = 24;
/* create top-down TGA */
buffer[17] = 32;
/* swap rgb to bgr */
for (int i = 0; i < size; i += 3) {
buffer[i + TGA_HEADER_SIZE] = data[i*2 + offset + 2]; /* blue */
buffer[i + TGA_HEADER_SIZE + 1] = data[i*2 + offset + 1]; /* green */
buffer[i + TGA_HEADER_SIZE + 2] = data[i*2 + offset + 0]; /* red */
}
/* write it and free the buffer */
ScopedFile file;
if (FS_OpenFile(filename, &file, FILE_WRITE) > 0)
Sys_Error("Unable to open %s for writing", filename);
FS_Write(buffer, size + TGA_HEADER_SIZE, &file);
/* close the file */
Mem_Free(buffer);
}
void R_InitFBObjects (void)
{
unsigned int filters[2];
float scales[DOWNSAMPLE_PASSES];
int i;
if (!r_config.frameBufferObject || !r_programs->integer)
return;
frameBufferObjectCount = 0;
OBJZERO(frameBufferObjects);
OBJZERO(frameBufferTextures);
r_state.frameBufferObjectsInitialized = true;
for (i = 0; i < DOWNSAMPLE_PASSES; i++)
scales[i] = powf(DOWNSAMPLE_SCALE, i + 1);
/* setup default screen framebuffer */
screenBuffer.fbo = 0;
screenBuffer.depth = 0;
screenBuffer.nTextures = 0;
screenBuffer.width = viddef.context.width;
screenBuffer.height = viddef.context.height;
R_SetupViewport(&screenBuffer, 0, 0, viddef.context.width, viddef.context.height);
Vector4Clear(screenBuffer.clearColor);
/* use default framebuffer */
qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
r_state.activeFramebuffer = &screenBuffer;
colorAttachments = Mem_AllocTypeN(GLenum, r_config.maxDrawBuffers);
for (i = 0; i < r_config.maxDrawBuffers; i++)
colorAttachments[i] = GL_COLOR_ATTACHMENT0_EXT + i;
filters[0] = GL_NEAREST;
filters[1] = GL_LINEAR_MIPMAP_LINEAR;
/* setup main 3D render target */
r_state.renderBuffer = R_CreateFramebuffer(viddef.context.width, viddef.context.height, 2, true, false, filters);
/* setup bloom render targets */
fbo_bloom0 = R_CreateFramebuffer(viddef.context.width, viddef.context.height, 1, false, false, filters);
fbo_bloom1 = R_CreateFramebuffer(viddef.context.width, viddef.context.height, 1, false, false, filters);
filters[0] = GL_LINEAR;
/* setup extra framebuffers */
for (i = 0; i < DOWNSAMPLE_PASSES; i++) {
const int h = (int)((float)viddef.context.height / scales[i]);
const int w = (int)((float)viddef.context.width / scales[i]);
r_state.buffers0[i] = R_CreateFramebuffer(w, h, 1, false, false, filters);
r_state.buffers1[i] = R_CreateFramebuffer(w, h, 1, false, false, filters);
r_state.buffers2[i] = R_CreateFramebuffer(w, h, 1, false, false, filters);
R_CheckError();
}
}
/**
* @brief Called before loading. Used to set default attribute values
*/
void uiGeoscapeNode::onLoading (uiNode_t* node)
{
Vector4Set(node->color, 1, 1, 1, 1);
OBJZERO(EXTRADATA(node));
EXTRADATA(node).angles[YAW] = GLOBE_ROTATE;
EXTRADATA(node).center[0] = EXTRADATA(node).center[1] = 0.5;
EXTRADATA(node).zoom = 1.0;
Vector2Set(EXTRADATA(node).smoothFinal2DGeoscapeCenter, 0.5, 0.5);
VectorSet(EXTRADATA(node).smoothFinalGlobeAngle, 0, GLOBE_ROTATE, 0);
/* @todo: allocate this on a per node basis - and remove the global variable geoscapeData */
EXTRADATA(node).geoscapeData = &geoscapeData;
/* EXTRADATA(node).geoscapeData = Mem_AllocType(geoscapeData_t); */
/** this is the data that is used with r_dayandnightTexture */
EXTRADATA(node).r_dayandnightAlpha = Mem_AllocTypeN(byte, DAN_WIDTH * DAN_HEIGHT);
r_dayandnightTexture = R_LoadImageData("***r_dayandnighttexture***", nullptr, DAN_WIDTH, DAN_HEIGHT, it_effect);
r_radarTexture = R_LoadImageData("***r_radarTexture***", nullptr, RADAR_WIDTH, RADAR_HEIGHT, it_effect);
r_xviTexture = R_LoadImageData("***r_xvitexture***", nullptr, XVI_WIDTH, XVI_HEIGHT, it_effect);
}
bool Rimp_Init (void)
{
SDL_version version;
int attrValue;
Com_Printf("\n------- video initialization -------\n");
OBJZERO(r_sdl_config);
if (r_driver->string[0] != '\0') {
Com_Printf("using driver: %s\n", r_driver->string);
SDL_GL_LoadLibrary(r_driver->string);
}
Sys_Setenv("SDL_VIDEO_CENTERED", "1");
Sys_Setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "0");
if (SDL_WasInit(SDL_INIT_VIDEO) == 0) {
if (SDL_Init(SDL_INIT_VIDEO) < 0)
Com_Error(ERR_FATAL, "Video SDL_Init failed: %s", SDL_GetError());
}
SDL_VERSION(&version)
Com_Printf("SDL version: %i.%i.%i\n", version.major, version.minor, version.patch);
#if SDL_VERSION_ATLEAST(2,0,0)
int screen = 0;
const int modes = SDL_GetNumDisplayModes(screen);
if (modes > 0) {
r_sdl_config.modes = Mem_AllocTypeN(rect_t, modes);
for (int i = 0; i < modes; i++) {
SDL_DisplayMode displayMode;
SDL_GetDisplayMode(screen, i, &displayMode);
r_sdl_config.modes[i][0] = displayMode.w;
r_sdl_config.modes[i][1] = displayMode.h;
}
}
#else
const SDL_VideoInfo* info = SDL_GetVideoInfo();
if (info != nullptr) {
SDL_VideoInfo videoInfo;
SDL_PixelFormat pixelFormat;
SDL_Rect** modes;
Com_Printf("I: desktop depth: %ibpp\n", info->vfmt->BitsPerPixel);
r_config.videoMemory = info->video_mem;
Com_Printf("I: video memory: %i\n", r_config.videoMemory);
memcpy(&pixelFormat, info->vfmt, sizeof(pixelFormat));
memcpy(&videoInfo, info, sizeof(videoInfo));
videoInfo.vfmt = &pixelFormat;
modes = SDL_ListModes(videoInfo.vfmt, SDL_OPENGL | SDL_FULLSCREEN);
if (modes) {
if (modes == (SDL_Rect**)-1) {
Com_Printf("I: Available resolutions: any resolution is supported\n");
r_sdl_config.modes = nullptr;
} else {
for (r_sdl_config.numModes = 0; modes[r_sdl_config.numModes]; r_sdl_config.numModes++) {}
r_sdl_config.modes = Mem_AllocTypeN(rect_t, r_sdl_config.numModes);
for (int i = 0; i < r_sdl_config.numModes; i++) {
r_sdl_config.modes[i][0] = modes[i]->w;
r_sdl_config.modes[i][1] = modes[i]->h;
}
}
} else {
Com_Printf("I: Could not get list of available resolutions\n");
}
}
char videoDriverName[MAX_VAR] = "";
SDL_VideoDriverName(videoDriverName, sizeof(videoDriverName));
Com_Printf("I: video driver: %s\n", videoDriverName);
#endif
if (r_sdl_config.numModes > 0) {
char buf[4096] = "";
Q_strcat(buf, sizeof(buf), "I: Available resolutions:");
for (int i = 0; i < r_sdl_config.numModes; i++) {
Q_strcat(buf, sizeof(buf), " %ix%i", r_sdl_config.modes[i][0], r_sdl_config.modes[i][1]);
}
Com_Printf("%s (%i)\n", buf, r_sdl_config.numModes);
}
if (!R_SetMode())
Com_Error(ERR_FATAL, "Video subsystem failed to initialize");
#if !SDL_VERSION_ATLEAST(2,0,0)
SDL_WM_SetCaption(GAME_TITLE, GAME_TITLE_LONG);
/* we need this in the renderer because if we issue an vid_restart we have
* to set these values again, too */
SDL_EnableUNICODE(SDL_ENABLE);
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
#endif
R_SetSDLIcon();
if (!SDL_GL_GetAttribute(SDL_GL_STENCIL_SIZE, &attrValue))
Com_Printf("I: got %d bits of stencil\n", attrValue);
if (!SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &attrValue))
Com_Printf("I: got %d bits of depth buffer\n", attrValue);
if (!SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &attrValue))
Com_Printf("I: got double buffer\n");
if (!SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &attrValue))
Com_Printf("I: got %d bits for red\n", attrValue);
if (!SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &attrValue))
Com_Printf("I: got %d bits for green\n", attrValue);
if (!SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &attrValue))
Com_Printf("I: got %d bits for blue\n", attrValue);
if (!SDL_GL_GetAttribute(SDL_GL_ALPHA_SIZE, &attrValue))
Com_Printf("I: got %d bits for alpha\n", attrValue);
if (!SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &attrValue))
Com_Printf("I: got multisample %s\n", attrValue != 0 ? "enabled" : "disabled");
if (!SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &attrValue))
Com_Printf("I: got %d multisample buffers\n", attrValue);
return true;
}
/**
* @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 Fills in texorg, worldtotex. and textoworld
*/
static void CalcLightinfoVectors (lightinfo_t* l)
{
const dBspTexinfo_t* tex;
int i;
vec3_t texnormal;
vec_t distscale, dist;
tex = &curTile->texinfo[l->face->texinfo];
for (i = 0; i < 2; i++)
VectorCopy(tex->vecs[i], l->worldtotex[i]);
/* calculate a normal to the texture axis. points can be moved along this
* without changing their S/T */
texnormal[0] = tex->vecs[1][1] * tex->vecs[0][2]
- tex->vecs[1][2] * tex->vecs[0][1];
texnormal[1] = tex->vecs[1][2] * tex->vecs[0][0]
- tex->vecs[1][0] * tex->vecs[0][2];
texnormal[2] = tex->vecs[1][0] * tex->vecs[0][1]
- tex->vecs[1][1] * tex->vecs[0][0];
VectorNormalize(texnormal);
/* flip it towards plane normal */
distscale = DotProduct(texnormal, l->facenormal);
if (!distscale) {
Verb_Printf(VERB_EXTRA, "WARNING: Texture axis perpendicular to face\n");
distscale = 1.0;
}
if (distscale < 0.0) {
distscale = -distscale;
VectorSubtract(vec3_origin, texnormal, texnormal);
}
/* distscale is the ratio of the distance along the texture normal to
* the distance along the plane normal */
distscale = 1.0 / distscale;
for (i = 0; i < 2; i++) {
const vec_t len = VectorLength(l->worldtotex[i]);
const vec_t distance = DotProduct(l->worldtotex[i], l->facenormal) * distscale;
VectorMA(l->worldtotex[i], -distance, texnormal, l->textoworld[i]);
VectorScale(l->textoworld[i], (1.0f / len) * (1.0f / len), l->textoworld[i]);
}
/* calculate texorg on the texture plane */
for (i = 0; i < 3; i++)
l->texorg[i] =
-tex->vecs[0][3] * l->textoworld[0][i] -
tex->vecs[1][3] * l->textoworld[1][i];
/* project back to the face plane */
dist = DotProduct(l->texorg, l->facenormal) - l->facedist - 1;
dist *= distscale;
VectorMA(l->texorg, -dist, texnormal, l->texorg);
/* compensate for org'd bmodels */
VectorAdd(l->texorg, l->modelorg, l->texorg);
/* total sample count */
l->numsurfpt = l->texsize[0] * l->texsize[1];
l->surfpt = Mem_AllocTypeN(vec3_t, l->numsurfpt);
if (!l->surfpt)
Sys_Error("Surface too large to light (" UFO_SIZE_T ")", l->numsurfpt * sizeof(*l->surfpt));
/* distance between samples */
l->step = 1 << config.lightquant;
}