/*
================
R_LoadLightGrid
================
*/
void R_LoadLightGrid( lump_t *l ) {
int i, j;
vec3_t maxs;
world_t *w;
float *wMins, *wMaxs;
w = &s_worldData;
w->lightGridInverseSize[0] = 1.0 / w->lightGridSize[0];
w->lightGridInverseSize[1] = 1.0 / w->lightGridSize[1];
w->lightGridInverseSize[2] = 1.0 / w->lightGridSize[2];
wMins = w->bmodels[0].bounds[0];
wMaxs = w->bmodels[0].bounds[1];
for ( i = 0 ; i < 3 ; i++ ) {
w->lightGridOrigin[i] = w->lightGridSize[i] * ceil( wMins[i] / w->lightGridSize[i] );
maxs[i] = w->lightGridSize[i] * floor( wMaxs[i] / w->lightGridSize[i] );
w->lightGridBounds[i] = (maxs[i] - w->lightGridOrigin[i])/w->lightGridSize[i] + 1;
}
int numGridDataElements = l->filelen / sizeof(*w->lightGridData);
w->lightGridData = (mgrid_t *)ri.Hunk_Alloc( l->filelen, qfalse );
memcpy( w->lightGridData, (void *)(fileBase + l->fileofs), l->filelen );
// deal with overbright bits
for ( i = 0 ; i < numGridDataElements ; i++ ) {
for(j=0; j<MAXLIGHTMAPS; j++)
{
R_ColorShiftLightingBytes(w->lightGridData[i].ambientLight[j]);
R_ColorShiftLightingBytes(w->lightGridData[i].directLight[j]);
}
}
}
/*
===============
ParseTriSurf
===============
*/
static void ParseTriSurf( dsurface_t *ds, mapVert_t *verts, msurface_t *surf, int *indexes ) {
srfTriangles_t *tri;
int i, j, k;
int numVerts, numIndexes;
// get fog volume
surf->fogIndex = LittleLong( ds->fogNum ) + 1;
// get shader
surf->shader = ShaderForShaderNum( ds->shaderNum, lightmapsVertex, ds->lightmapStyles, ds->vertexStyles );
if ( r_singleShader->integer && !surf->shader->isSky ) {
surf->shader = tr.defaultShader;
}
numVerts = LittleLong( ds->numVerts );
numIndexes = LittleLong( ds->numIndexes );
tri = (srfTriangles_t *) ri.Hunk_Alloc( sizeof( *tri ) + numVerts * sizeof( tri->verts[0] )
+ numIndexes * sizeof( tri->indexes[0] ), qtrue );
tri->surfaceType = SF_TRIANGLES;
tri->numVerts = numVerts;
tri->numIndexes = numIndexes;
tri->verts = (drawVert_t *)(tri + 1);
tri->indexes = (int *)(tri->verts + tri->numVerts );
surf->data = (surfaceType_t *)tri;
// copy vertexes
verts += LittleLong( ds->firstVert );
ClearBounds( tri->bounds[0], tri->bounds[1] );
for ( i = 0 ; i < numVerts ; i++ ) {
for ( j = 0 ; j < 3 ; j++ ) {
tri->verts[i].xyz[j] = LittleFloat( verts[i].xyz[j] );
tri->verts[i].normal[j] = LittleFloat( verts[i].normal[j] );
}
AddPointToBounds( tri->verts[i].xyz, tri->bounds[0], tri->bounds[1] );
for ( j = 0 ; j < 2 ; j++ ) {
tri->verts[i].st[j] = LittleFloat( verts[i].st[j] );
for(k=0; k<MAXLIGHTMAPS; k++)
{
tri->verts[i].lightmap[k][j] = LittleFloat( verts[i].lightmap[k][j] );
}
}
for(k=0; k<MAXLIGHTMAPS; k++)
{
R_ColorShiftLightingBytes( verts[i].color[k], tri->verts[i].color[k] );
}
}
// copy indexes
indexes += LittleLong( ds->firstIndex );
for ( i = 0 ; i < numIndexes ; i++ ) {
tri->indexes[i] = LittleLong( indexes[i] );
if ( tri->indexes[i] < 0 || tri->indexes[i] >= numVerts ) {
ri.Error( ERR_DROP, "Bad index in triangle surface" );
}
}
}
/*
===============
ParseMesh
===============
*/
static void ParseMesh ( dsurface_t *ds, mapVert_t *verts, msurface_t *surf) {
srfGridMesh_t *grid;
int i, j, k;
int width, height, numPoints;
MAC_STATIC drawVert_t points[MAX_PATCH_SIZE*MAX_PATCH_SIZE];
int lightmapNum[MAXLIGHTMAPS];
vec3_t bounds[2];
vec3_t tmpVec;
static surfaceType_t skipData = SF_SKIP;
for(i=0; i<MAXLIGHTMAPS; i++)
{
lightmapNum[i] = LittleLong( ds->lightmapNum[i] );
}
// get fog volume
surf->fogIndex = LittleLong( ds->fogNum ) + 1;
// get shader value
surf->shader = ShaderForShaderNum( ds->shaderNum, lightmapNum, ds->lightmapStyles, ds->vertexStyles );
if ( r_singleShader->integer && !surf->shader->isSky ) {
surf->shader = tr.defaultShader;
}
// we may have a nodraw surface, because they might still need to
// be around for movement clipping
if ( s_worldData.shaders[ LittleLong( ds->shaderNum ) ].surfaceFlags & SURF_NODRAW ) {
surf->data = &skipData;
return;
}
width = LittleLong( ds->patchWidth );
height = LittleLong( ds->patchHeight );
verts += LittleLong( ds->firstVert );
numPoints = width * height;
for ( i = 0 ; i < numPoints ; i++ ) {
for ( j = 0 ; j < 3 ; j++ ) {
points[i].xyz[j] = LittleFloat( verts[i].xyz[j] );
points[i].normal[j] = LittleFloat( verts[i].normal[j] );
}
for ( j = 0 ; j < 2 ; j++ ) {
points[i].st[j] = LittleFloat( verts[i].st[j] );
for(k=0; k<MAXLIGHTMAPS; k++)
{
points[i].lightmap[k][j] = LittleFloat( verts[i].lightmap[k][j] );
}
}
for(k=0; k<MAXLIGHTMAPS; k++)
{
R_ColorShiftLightingBytes( verts[i].color[k], points[i].color[k] );
}
}
// pre-tesseleate
grid = R_SubdividePatchToGrid( width, height, points );
surf->data = (surfaceType_t *)grid;
// copy the level of detail origin, which is the center
// of the group of all curves that must subdivide the same
// to avoid cracking
for ( i = 0 ; i < 3 ; i++ ) {
bounds[0][i] = LittleFloat( ds->lightmapVecs[0][i] );
bounds[1][i] = LittleFloat( ds->lightmapVecs[1][i] );
}
VectorAdd( bounds[0], bounds[1], bounds[1] );
VectorScale( bounds[1], 0.5f, grid->lodOrigin );
VectorSubtract( bounds[0], grid->lodOrigin, tmpVec );
grid->lodRadius = VectorLength( tmpVec );
}
/*
===============
ParseFace
===============
*/
static void ParseFace( dsurface_t *ds, mapVert_t *verts, msurface_t *surf, int *indexes, byte *&pFaceDataBuffer)
{
int i, j, k;
srfSurfaceFace_t *cv;
int numPoints, numIndexes;
int lightmapNum[MAXLIGHTMAPS];
int sfaceSize, ofsIndexes;
for(i=0; i<MAXLIGHTMAPS; i++)
{
lightmapNum[i] = LittleLong( ds->lightmapNum[i] );
}
// get fog volume
surf->fogIndex = LittleLong( ds->fogNum ) + 1;
// get shader value
surf->shader = ShaderForShaderNum( ds->shaderNum, lightmapNum, ds->lightmapStyles, ds->vertexStyles );
if ( r_singleShader->integer && !surf->shader->isSky ) {
surf->shader = tr.defaultShader;
}
numPoints = LittleLong( ds->numVerts );
if (numPoints > MAX_FACE_POINTS) {
ri.Printf( PRINT_DEVELOPER, "MAX_FACE_POINTS exceeded: %i\n", numPoints);
}
numIndexes = LittleLong( ds->numIndexes );
// create the srfSurfaceFace_t
sfaceSize = ( int ) &((srfSurfaceFace_t *)0)->points[numPoints];
ofsIndexes = sfaceSize;
sfaceSize += sizeof( int ) * numIndexes;
cv = (srfSurfaceFace_t *) pFaceDataBuffer;//ri.Hunk_Alloc( sfaceSize );
pFaceDataBuffer += sfaceSize; // :-)
cv->surfaceType = SF_FACE;
cv->numPoints = numPoints;
cv->numIndices = numIndexes;
cv->ofsIndices = ofsIndexes;
verts += LittleLong( ds->firstVert );
for ( i = 0 ; i < numPoints ; i++ ) {
for ( j = 0 ; j < 3 ; j++ ) {
cv->points[i][j] = LittleFloat( verts[i].xyz[j] );
}
for ( j = 0 ; j < 2 ; j++ ) {
cv->points[i][3+j] = LittleFloat( verts[i].st[j] );
for(k=0; k<MAXLIGHTMAPS; k++)
{
cv->points[i][VERTEX_LM+j+(k*2)] = LittleFloat( verts[i].lightmap[k][j] );
}
}
for(k=0; k<MAXLIGHTMAPS; k++)
{
R_ColorShiftLightingBytes( verts[i].color[k], (byte *)&cv->points[i][VERTEX_COLOR+k] );
}
}
indexes += LittleLong( ds->firstIndex );
for ( i = 0 ; i < numIndexes ; i++ ) {
((int *)((byte *)cv + cv->ofsIndices ))[i] = LittleLong( indexes[ i ] );
}
// take the plane information from the lightmap vector
for ( i = 0 ; i < 3 ; i++ ) {
cv->plane.normal[i] = LittleFloat( ds->lightmapVecs[2][i] );
}
cv->plane.dist = DotProduct( cv->points[0], cv->plane.normal );
SetPlaneSignbits( &cv->plane );
cv->plane.type = PlaneTypeForNormal( cv->plane.normal );
surf->data = (surfaceType_t *)cv;
}
static void R_LoadLightmaps( lump_t *l, const char *psMapName ) {
byte *buf, *buf_p;
int len;
MAC_STATIC byte image[LIGHTMAP_SIZE*LIGHTMAP_SIZE*4];
int i, j;
float maxIntensity = 0;
double sumIntensity = 0;
len = l->filelen;
if ( !len ) {
return;
}
buf = fileBase + l->fileofs;
// we are about to upload textures
R_SyncRenderThread();
// create all the lightmaps
tr.numLightmaps = len / (LIGHTMAP_SIZE * LIGHTMAP_SIZE * 3);
// if we are in r_vertexLight mode, we don't need the lightmaps at all
if ( r_vertexLight->integer ) {
return;
}
char sMapName[MAX_QPATH];
COM_StripExtension(psMapName,sMapName); // will already by MAX_QPATH legal, so no length check
for ( i = 0 ; i < tr.numLightmaps ; i++ ) {
// expand the 24 bit on-disk to 32 bit
buf_p = buf + i * LIGHTMAP_SIZE*LIGHTMAP_SIZE * 3;
if ( r_lightmap->integer == 2 )
{ // color code by intensity as development tool (FIXME: check range)
for ( j = 0; j < LIGHTMAP_SIZE * LIGHTMAP_SIZE; j++ )
{
float r = buf_p[j*3+0];
float g = buf_p[j*3+1];
float b = buf_p[j*3+2];
float intensity;
float out[3];
intensity = 0.33f * r + 0.685 * g + 0.063f * b;
if ( intensity > 255 )
intensity = 1.0f;
else
intensity /= 255.0f;
if ( intensity > maxIntensity )
maxIntensity = intensity;
HSVtoRGB( intensity, 1.00, 0.50, out );
image[j*4+0] = out[0] * 255;
image[j*4+1] = out[1] * 255;
image[j*4+2] = out[2] * 255;
image[j*4+3] = 255;
sumIntensity += intensity;
}
} else {
for ( j = 0 ; j < LIGHTMAP_SIZE*LIGHTMAP_SIZE ; j++ ) {
R_ColorShiftLightingBytes( &buf_p[j*3], &image[j*4] );
image[j*4+3] = 255;
}
}
tr.lightmaps[i] = R_CreateImage( va("*%s/lightmap%d",sMapName,i), image,
LIGHTMAP_SIZE, LIGHTMAP_SIZE, qfalse, qfalse, r_ext_compressed_lightmaps->integer, GL_CLAMP);
}
if ( r_lightmap->integer == 2 ) {
ri.Printf( PRINT_ALL, "Brightest lightmap value: %d\n", ( int ) ( maxIntensity * 255 ) );
}
}
void R_RMGInit(void)
{
char newSky[MAX_QPATH];
char newFog[MAX_QPATH];
shader_t *fog;
fog_t *gfog;
mgrid_t *grid;
char temp[MAX_QPATH];
int i;
unsigned short *pos;
ri.Cvar_VariableStringBuffer("RMG_sky", newSky, MAX_QPATH);
// Get sunlight - this should set up all the sunlight data
R_FindShader( newSky, lightmapsNone, stylesDefault, qfalse );
// Remap sky
R_RemapShader("textures/tools/_sky", newSky, NULL);
// Fill in the lightgrid with sunlight
if(tr.world->lightGridData)
{
grid = tr.world->lightGridData;
grid->ambientLight[0][0] = (byte)Com_Clampi(0, 255, tr.sunAmbient[0] * 255.0f);
grid->ambientLight[0][1] = (byte)Com_Clampi(0, 255, tr.sunAmbient[1] * 255.0f);
grid->ambientLight[0][2] = (byte)Com_Clampi(0, 255, tr.sunAmbient[2] * 255.0f);
R_ColorShiftLightingBytes(grid->ambientLight[0], grid->ambientLight[0]);
grid->directLight[0][0] = (byte)Com_Clampi(0, 255, tr.sunLight[0]);
grid->directLight[0][1] = (byte)Com_Clampi(0, 255, tr.sunLight[1]);
grid->directLight[0][2] = (byte)Com_Clampi(0, 255, tr.sunLight[2]);
R_ColorShiftLightingBytes(grid->directLight[0], grid->directLight[0]);
NormalToLatLong(tr.sunDirection, grid->latLong);
pos = tr.world->lightGridArray;
for(i=0;i<tr.world->numGridArrayElements;i++)
{
*pos = 0;
pos++;
}
}
// Override the global fog with the defined one
if(tr.world->globalFog != -1)
{
ri.Cvar_VariableStringBuffer("RMG_fog", newFog, MAX_QPATH);
fog = R_FindShader( newFog, lightmapsNone, stylesDefault, qfalse);
if (fog != tr.defaultShader)
{
gfog = tr.world->fogs + tr.world->globalFog;
gfog->parms = *fog->fogParms;
if (gfog->parms.depthForOpaque)
{
gfog->tcScale = 1.0f / ( gfog->parms.depthForOpaque * 8.0f );
tr.distanceCull = gfog->parms.depthForOpaque;
tr.distanceCullSquared = tr.distanceCull * tr.distanceCull;
ri.Cvar_Set("RMG_distancecull", va("%f", tr.distanceCull));
}
else
{
gfog->tcScale = 1.0f;
}
gfog->colorInt = ColorBytes4 ( gfog->parms.color[0],
gfog->parms.color[1],
gfog->parms.color[2], 1.0f );
}
}
ri.Cvar_VariableStringBuffer("RMG_weather", temp, MAX_QPATH);
// Set up any weather effects
switch(atol(temp))
{
case 0:
break;
case 1:
RE_WorldEffectCommand("rain init 1000");
RE_WorldEffectCommand("rain outside");
break;
case 2:
RE_WorldEffectCommand("snow init 1000 outside");
RE_WorldEffectCommand("snow outside");
break;
}
}
/*
===============
ParseTriSurf
===============
*/
static void ParseTriSurf( dsurface_t *ds, mapVert_t *verts, msurface_t *surf, int *indexes, world_t &worldData, int index ) {
srfTriangles_t *tri;
int i, j, k;
int numVerts, numIndexes;
// get fog volume
surf->fogIndex = LittleLong( ds->fogNum ) + 1;
if (index && !surf->fogIndex && tr.world && tr.world->globalFog != -1)
{
surf->fogIndex = worldData.globalFog;
}
// get shader
surf->shader = ShaderForShaderNum( ds->shaderNum, lightmapsVertex, ds->lightmapStyles, ds->vertexStyles, worldData );
if ( r_singleShader->integer && !surf->shader->sky ) {
surf->shader = tr.defaultShader;
}
numVerts = LittleLong( ds->numVerts );
numIndexes = LittleLong( ds->numIndexes );
if ( numVerts >= SHADER_MAX_VERTEXES ) {
Com_Error(ERR_DROP, "ParseTriSurf: verts > MAX (%d > %d) on misc_model %s", numVerts, SHADER_MAX_VERTEXES, surf->shader->name );
}
if ( numIndexes >= SHADER_MAX_INDEXES ) {
Com_Error(ERR_DROP, "ParseTriSurf: indices > MAX (%d > %d) on misc_model %s", numIndexes, SHADER_MAX_INDEXES, surf->shader->name );
}
tri = (srfTriangles_t *) R_Malloc( sizeof( *tri ) + numVerts * sizeof( tri->verts[0] ) + numIndexes * sizeof( tri->indexes[0] ), TAG_HUNKMISCMODELS, qfalse );
tri->dlightBits = 0; //JIC
tri->surfaceType = SF_TRIANGLES;
tri->numVerts = numVerts;
tri->numIndexes = numIndexes;
tri->verts = (drawVert_t *)(tri + 1);
tri->indexes = (int *)(tri->verts + tri->numVerts );
surf->data = (surfaceType_t *)tri;
// copy vertexes
verts += LittleLong( ds->firstVert );
ClearBounds( tri->bounds[0], tri->bounds[1] );
for ( i = 0 ; i < numVerts ; i++ ) {
for ( j = 0 ; j < 3 ; j++ ) {
tri->verts[i].xyz[j] = LittleFloat( verts[i].xyz[j] );
tri->verts[i].normal[j] = LittleFloat( verts[i].normal[j] );
}
AddPointToBounds( tri->verts[i].xyz, tri->bounds[0], tri->bounds[1] );
for ( j = 0 ; j < 2 ; j++ ) {
tri->verts[i].st[j] = LittleFloat( verts[i].st[j] );
for(k=0;k<MAXLIGHTMAPS;k++)
{
tri->verts[i].lightmap[k][j] = LittleFloat( verts[i].lightmap[k][j] );
}
}
for(k=0;k<MAXLIGHTMAPS;k++)
{
R_ColorShiftLightingBytes( verts[i].color[k], tri->verts[i].color[k] );
}
}
// copy indexes
indexes += LittleLong( ds->firstIndex );
for ( i = 0 ; i < numIndexes ; i++ ) {
tri->indexes[i] = LittleLong( indexes[i] );
if ( tri->indexes[i] < 0 || tri->indexes[i] >= numVerts ) {
Com_Error( ERR_DROP, "Bad index in triangle surface" );
}
}
}
static void R_LoadLightmaps( lump_t *l, const char *psMapName, world_t &worldData )
{
byte *buf, *buf_p;
int len;
byte image[LIGHTMAP_SIZE*LIGHTMAP_SIZE*4];
int i, j;
float maxIntensity = 0;
double sumIntensity = 0;
int count;
if (&worldData == &s_worldData)
{
tr.numLightmaps = 0;
}
len = l->filelen;
if ( !len ) {
return;
}
buf = fileBase + l->fileofs;
// we are about to upload textures
R_IssuePendingRenderCommands(); //
// create all the lightmaps
worldData.startLightMapIndex = tr.numLightmaps;
count = len / (LIGHTMAP_SIZE * LIGHTMAP_SIZE * 3);
tr.numLightmaps += count;
// if we are in r_vertexLight mode, we don't need the lightmaps at all
if ( r_vertexLight->integer ) {
return;
}
char sMapName[MAX_QPATH];
COM_StripExtension(psMapName,sMapName, sizeof(sMapName));
for ( i = 0 ; i < count ; i++ ) {
// expand the 24 bit on-disk to 32 bit
buf_p = buf + i * LIGHTMAP_SIZE*LIGHTMAP_SIZE * 3;
if ( r_lightmap->integer == 2 )
{ // color code by intensity as development tool (FIXME: check range)
for ( j = 0; j < LIGHTMAP_SIZE * LIGHTMAP_SIZE; j++ )
{
float r = buf_p[j*3+0];
float g = buf_p[j*3+1];
float b = buf_p[j*3+2];
float intensity;
float out[3] = {0.0f, 0.0f, 0.0f};
intensity = 0.33f * r + 0.685f * g + 0.063f * b;
if ( intensity > 255 )
intensity = 1.0f;
else
intensity /= 255.0f;
if ( intensity > maxIntensity )
maxIntensity = intensity;
HSVtoRGB( intensity, 1.00, 0.50, out );
image[j*4+0] = out[0] * 255;
image[j*4+1] = out[1] * 255;
image[j*4+2] = out[2] * 255;
image[j*4+3] = 255;
sumIntensity += intensity;
}
} else {
for ( j = 0 ; j < LIGHTMAP_SIZE * LIGHTMAP_SIZE; j++ ) {
R_ColorShiftLightingBytes( &buf_p[j*3], &image[j*4] );
image[j*4+3] = 255;
}
}
tr.lightmaps[worldData.startLightMapIndex+i] = R_CreateImage(
va("$%s/lightmap%d", sMapName, worldData.startLightMapIndex+i),
image, LIGHTMAP_SIZE, LIGHTMAP_SIZE, GL_RGBA, qfalse, qfalse,
(qboolean)(r_ext_compressed_lightmaps->integer != 0),
GL_CLAMP);
}
if ( r_lightmap->integer == 2 ) {
ri.Printf( PRINT_ALL, "Brightest lightmap value: %d\n", ( int ) ( maxIntensity * 255 ) );
}
}
