/*
=============
CollectLight
=============
*/
void CollectLight( vec3_t total )
{
unsigned i;
patch_t *patch;
VectorFill( total, 0 );
for (i=0, patch=patches ; i<num_patches ; i++, patch++)
{
// sky's never collect light, it is just dropped
if (patch->sky)
{
VectorFill( emitlight[ i ], 0 );
VectorFill( addlight[ i ], 0 );
continue;
}
VectorAdd( patch->totallight, addlight[i], patch->totallight );
VectorScale( addlight[i], TRANSFER_SCALE, emitlight[i] );
VectorAdd( total, emitlight[i], total );
VectorFill( addlight[ i ], 0 );
}
VectorScale( total, INVERSE_TRANSFER_SCALE, total );
}
/*
============
LightFace
============
*/
void LightFace (int surfnum)
{
dface_t *f;
lightinfo_t l;
int s, t;
int i,j,c;
vec3_t total;
int size;
int lightmapwidth, lightmapsize;
byte *out;
vec3_t *light;
int w, h;
int clamp = 192;
float clampfactor = 0.75;
if ( !clamp192 )
{
clamp = 255;
clampfactor = 1.0;
}
f = dfaces + surfnum;
//
// some surfaces don't need lightmaps
//
f->lightofs = -1;
for (j=0 ; j<MAXLIGHTMAPS ; j++)
f->styles[j] = 255;
if ( texinfo[f->texinfo].flags & TEX_SPECIAL)
{ // non-lit texture
return;
}
memset (&l, 0, sizeof(l));
l.surfnum = surfnum;
l.face = f;
//
// rotate plane
//
VectorCopy (dplanes[f->planenum].normal, l.facenormal);
l.facedist = dplanes[f->planenum].dist;
if (f->side)
{
VectorSubtract (vec3_origin, l.facenormal, l.facenormal);
l.facedist = -l.facedist;
}
CalcFaceVectors (&l);
CalcFaceExtents (&l);
CalcPoints (&l);
lightmapwidth = l.texsize[0]+1;
size = lightmapwidth*(l.texsize[1]+1);
if (size > SINGLEMAP)
Error ("Bad lightmap size");
for (i=0 ; i<MAXLIGHTMAPS ; i++)
l.lightstyles[i] = 255;
//
// cast all lights
//
l.numlightstyles = 0;
for (i=0 ; i<numlightentities ; i++)
SingleLightFace (&lightentities[i], &l);
FixMinlight (&l);
if (!l.numlightstyles)
{ // no light hitting it
return;
}
//
// save out the values
//
for (i=0 ; i <MAXLIGHTMAPS ; i++)
f->styles[i] = l.lightstyles[i];
if( hicolor )
lightmapsize = size*l.numlightstyles*3;
else
lightmapsize = size * l.numlightstyles;
out = GetFileSpace (lightmapsize);
f->lightofs = out - filebase;
// extra filtering
h = (l.texsize[1]+1)*2;
w = (l.texsize[0]+1)*2;
for (i=0 ; i< l.numlightstyles ; i++)
{
if (l.lightstyles[i] == 0xff)
Error ("Wrote empty lightmap");
light = l.lightmaps[i];
c = 0;
for (t=0 ; t<=l.texsize[1] ; t++)
{
for (s=0 ; s<=l.texsize[0] ; s++, c++)
{
if (extrasamples)
{
#ifdef OLD_CODE
// filtered sample
VectorCopy( light[t*2*w+s*2], total );
VectorAdd( total, light[t*2*w+s*2+1], total );
VectorAdd( total, light[(t*2+1)*w+s*2], total );
VectorAdd( total, light[(t*2+1)*w+s*2+1], total );
VectorScale( total, 0.25, total );
#else
int u, v;
float weight[3][3] =
{
{ 5, 9, 5 },
{ 9, 16, 9 },
{ 5, 9, 5 },
};
float divisor = 0.0;
VectorFill(total,0);
for ( u = 0; u < 3; u++ )
{
for ( v = 0; v < 3; v++ )
{
if ( s+u-2>=0 && t+v-1>=0 && s+u-1 <= w && t+v-1 <= h)
{
vec3_t sample;
VectorScale( light[((t*2)+(v-1))*w + ((s*2)+(u-1))], weight[u][v], sample );
divisor += weight[u][v];
VectorAdd( total, sample, total );
}
}
}
#endif
if ( divisor > 1.0 )
VectorScale( total, 1/divisor, total );
total[0] = max(total[0],0.0);
total[1] = max(total[1],0.0);
total[2] = max(total[2],0.0);
}
else
VectorCopy( light[ c ], total );
// Scale
VectorScale( total, rangescale, total );
// Clamp
if( hicolor )
{
for( j=0; j<3; j++ )
{
total[ j ] *= clampfactor;
if( total[j] > clamp)
total[j] = clamp;
else if (total[j] < 0)
Error ("light < 0");
*out++ = (byte) total[j];
}
}
else
{
int intensity = total[ 0 ] + total[ 1 ] + total[ 2 ];
if( intensity > 255 )
intensity = 255;
else if( intensity < 0 )
Error( "light < 0" );
*out++ = (byte) intensity;
}
}
}
}
}
// =====================================================================================
// TestSegmentAgainstOpaqueList
// Returns true if the segment intersects an item in the opaque list
// =====================================================================================
bool TestSegmentAgainstOpaqueList(const vec_t* p1, const vec_t* p2
#ifdef HLRAD_HULLU
, vec3_t &scaleout
#endif
#ifdef HLRAD_OPAQUE_STYLE
, int &opaquestyleout // light must convert to this style. -1 = no convert
#endif
)
{
#ifdef HLRAD_OPAQUE_NODE
int x;
#ifdef HLRAD_HULLU
VectorFill (scaleout, 1.0);
#endif
#ifdef HLRAD_OPAQUE_STYLE
opaquestyleout = -1;
#endif
for (x = 0; x < g_opaque_face_count; x++)
{
if (!TestLineOpaque (g_opaque_face_list[x].modelnum, g_opaque_face_list[x].origin, p1, p2))
{
continue;
}
#ifdef HLRAD_HULLU
if (g_opaque_face_list[x].transparency)
{
VectorMultiply (scaleout, g_opaque_face_list[x].transparency_scale, scaleout);
continue;
}
#endif
#ifdef HLRAD_OPAQUE_STYLE
if (g_opaque_face_list[x].style != -1 && (opaquestyleout == -1 || g_opaque_face_list[x].style == opaquestyleout))
{
opaquestyleout = g_opaque_face_list[x].style;
continue;
}
#endif
#ifdef HLRAD_HULLU
VectorFill (scaleout, 0.0);
#endif
#ifdef HLRAD_OPAQUE_STYLE
opaquestyleout = -1;
#endif
return true;
}
return false;
#else /*HLRAD_OPAQUE_NODE*/
unsigned x;
vec3_t point;
const dplane_t* plane;
const Winding* winding;
#ifdef HLRAD_TestSegmentAgainstOpaqueList_VL
int i;
vec3_t scale_one;
vec3_t direction;
VectorSubtract (p1, p2, direction);
VectorNormalize (direction);
#endif
#ifdef HLRAD_HULLU
vec3_t scale = {1.0, 1.0, 1.0};
#endif
#ifdef HLRAD_POINT_IN_EDGE_FIX
double percentage;
#endif
#ifdef HLRAD_OPAQUE_STYLE
opaquestyleout = -1;
#endif
#ifdef HLRAD_OPAQUE_RANGE
bool intersects[MAX_OPAQUE_GROUP_COUNT];
for (x = 0; x < g_opaque_group_count; x++)
{
intersects[x] =
LineSegmentIntersectsBounds (p1, p2, g_opaque_group_list[x].mins, g_opaque_group_list[x].maxs);
}
#endif
for (x = 0; x < g_opaque_face_count; x++)
{
#ifdef HLRAD_OPAQUE_RANGE
if (intersects[g_opaque_face_list[x].groupnum] == 0)
continue;
#endif
plane = &g_opaque_face_list[x].plane;
winding = g_opaque_face_list[x].winding;
#ifdef HLRAD_OPACITY // AJM
l_opacity = g_opaque_face_list[x].l_opacity;
#endif
if (intersect_linesegment_plane(plane, p1, p2, point))
{
#if 0
Log
("Ray from (%4.3f %4.3f %4.3f) to (%4.3f %4.3f %4.3f) hits plane at (%4.3f %4.3f %4.3f)\n Plane (%4.3f %4.3f %4.3f) %4.3f\n",
p1[0], p1[1], p1[2], p2[0], p2[1], p2[2], point[0], point[1], point[2], plane->normal[0],
plane->normal[1], plane->normal[2], plane->dist);
#endif
#ifdef HLRAD_POINT_IN_EDGE_FIX
if (point_in_winding_percentage(*winding, *plane, point, direction, percentage))
#else
if (point_in_winding(*winding, *plane, point))
#endif
{
#if 0
Log("Ray from (%4.3f %4.3f %4.3f) to (%4.3f %4.3f %4.3f) blocked by face %u @ (%4.3f %4.3f %4.3f)\n",
p1[0], p1[1], p1[2],
p2[0], p2[1], p2[2], g_opaque_face_list[x].facenum, point[0], point[1], point[2]);
#endif
#ifdef HLRAD_HULLU
if(g_opaque_face_list[x].transparency)
{
#ifdef HLRAD_TestSegmentAgainstOpaqueList_VL
VectorCopy (g_opaque_face_list[x].transparency_scale, scale_one);
#endif
#ifdef HLRAD_POINT_IN_EDGE_FIX
if (percentage != 1.0)
for (i = 0; i < 3; ++i)
scale_one[i] = pow (scale_one[i], percentage);
#endif
#ifdef HLRAD_TestSegmentAgainstOpaqueList_VL
VectorMultiply(scale, scale_one, scale);
#else
VectorMultiply(scale, g_opaque_face_list[x].transparency_scale, scale);
#endif
}
else
{
#ifdef HLRAD_OPAQUE_STYLE
if (g_opaque_face_list[x].style == -1 || opaquestyleout != -1 && g_opaque_face_list[x].style != opaquestyleout)
{
VectorCopy(vec3_origin, scaleout);
opaquestyleout = -1;
return true;
}
else
{
opaquestyleout = g_opaque_face_list[x].style;
}
#else
#ifdef HLRAD_TestSegmentAgainstOpaqueList_VL
VectorCopy(vec3_origin, scaleout);
#else
VectorCopy(scale, scaleout);
#endif
return true;
#endif
}
#else
return true;
#endif
}
}
}
#ifdef HLRAD_HULLU
VectorCopy(scale, scaleout);
if(scaleout[0] < 0.01 && scaleout[1] < 0.01 && scaleout[2] < 0.01)
{
return true; //so much shadowing that result is same as with normal opaque face
}
#endif
return false;
#endif /*HLRAD_OPAQUE_NODE*/
}
void MakeRGBScales(const int threadnum)
{
int i;
unsigned j;
vec3_t delta;
vec_t dist;
int count;
float trans[3];
float trans_one;
patch_t* patch;
patch_t* patch2;
vec3_t origin;
vec_t area;
const vec_t* normal1;
const vec_t* normal2;
#ifdef HLRAD_TRANSPARENCY_CPP
unsigned int fastfind_index = 0;
#endif
vec_t total;
#ifdef HLRAD_TRANSFERDATA_COMPRESS
transfer_raw_index_t* tIndex;
float* tRGBData;
transfer_raw_index_t* tIndex_All = (transfer_raw_index_t*)AllocBlock(sizeof(transfer_index_t) * MAX_PATCHES);
float* tRGBData_All = (float*)AllocBlock(sizeof(float[3]) * MAX_PATCHES);
#else
transfer_raw_index_t* tIndex;
rgb_transfer_data_t* tRGBData;
transfer_raw_index_t* tIndex_All = (transfer_raw_index_t*)AllocBlock(sizeof(transfer_index_t) * MAX_PATCHES);
rgb_transfer_data_t* tRGBData_All = (rgb_transfer_data_t*)AllocBlock(sizeof(rgb_transfer_data_t) * MAX_PATCHES);
#endif
count = 0;
while (1)
{
i = GetThreadWork();
if (i == -1)
break;
patch = g_patches + i;
patch->iIndex = 0;
patch->iData = 0;
#ifndef HLRAD_TRANSNONORMALIZE
total = 0.0;
#endif
tIndex = tIndex_All;
tRGBData = tRGBData_All;
VectorCopy(patch->origin, origin);
normal1 = getPlaneFromFaceNumber(patch->faceNumber)->normal;
area = patch->area;
#ifdef HLRAD_TRANSLUCENT
vec3_t backorigin;
vec3_t backnormal;
if (patch->translucent_b)
{
VectorMA (patch->origin, -(g_translucentdepth + 2*PATCH_HUNT_OFFSET), normal1, backorigin);
VectorSubtract (vec3_origin, normal1, backnormal);
}
#endif
#ifdef HLRAD_DIVERSE_LIGHTING
bool lighting_diversify;
vec_t lighting_power;
vec_t lighting_scale;
int miptex = g_texinfo[g_dfaces[patch->faceNumber].texinfo].miptex;
lighting_power = g_lightingconeinfo[miptex][0];
lighting_scale = g_lightingconeinfo[miptex][1];
lighting_diversify = (lighting_power != 1.0 || lighting_scale != 1.0);
#endif
// find out which patch2's will collect light
// from patch
// HLRAD_NOSWAP: patch collect light from patch2
for (j = 0, patch2 = g_patches; j < g_num_patches; j++, patch2++)
{
vec_t dot1;
vec_t dot2;
vec3_t transparency = {1.0,1.0,1.0};
#ifdef HLRAD_TRANSLUCENT
bool useback;
useback = false;
#endif
if (!g_CheckVisBit(i, j
, transparency
#ifdef HLRAD_TRANSPARENCY_CPP
, fastfind_index
#endif
) || (i == j))
{
#ifdef HLRAD_TRANSLUCENT
if (patch->translucent_b)
{
if (!CheckVisBitBackwards(i, j, backorigin, backnormal
#ifdef HLRAD_HULLU
, transparency
#endif
) || (i==j))
{
continue;
}
useback = true;
}
else
{
continue;
}
#else
continue;
#endif
}
normal2 = getPlaneFromFaceNumber(patch2->faceNumber)->normal;
// calculate transferemnce
VectorSubtract(patch2->origin, origin, delta);
#ifdef HLRAD_TRANSLUCENT
if (useback)
{
VectorSubtract (patch2->origin, backorigin, delta);
}
#endif
#ifdef HLRAD_ACCURATEBOUNCE
// move emitter back to its plane
VectorMA (delta, -PATCH_HUNT_OFFSET, normal2, delta);
#endif
dist = VectorNormalize(delta);
dot1 = DotProduct(delta, normal1);
#ifdef HLRAD_TRANSLUCENT
if (useback)
{
dot1 = DotProduct (delta, backnormal);
}
#endif
dot2 = -DotProduct(delta, normal2);
#ifdef HLRAD_ACCURATEBOUNCE
#ifdef HLRAD_ACCURATEBOUNCE_ALTERNATEORIGIN
bool light_behind_surface = false;
if (dot1 <= NORMAL_EPSILON)
{
light_behind_surface = true;
}
#else
if (dot1 <= NORMAL_EPSILON)
{
continue;
}
#endif
if (dot2 * dist <= MINIMUM_PATCH_DISTANCE)
{
continue;
}
#endif
#ifdef HLRAD_DIVERSE_LIGHTING
if (lighting_diversify
#ifdef HLRAD_ACCURATEBOUNCE_ALTERNATEORIGIN
&& !light_behind_surface
#endif
)
{
dot1 = lighting_scale * pow (dot1, lighting_power);
}
#endif
trans_one = (dot1 * dot2) / (dist * dist); // Inverse square falloff factoring angle between patch normals
#ifdef HLRAD_TRANSWEIRDFIX
#ifdef HLRAD_NOSWAP
if (trans_one * patch2->area > 0.8f)
{
trans_one = 0.8f / patch2->area;
}
#else
if (trans_one * area > 0.8f)
{
trans_one = 0.8f / area;
}
#endif
#endif
#ifdef HLRAD_ACCURATEBOUNCE
if (dist < patch2->emitter_range - ON_EPSILON)
{
#ifdef HLRAD_ACCURATEBOUNCE_ALTERNATEORIGIN
if (light_behind_surface)
{
trans_one = 0.0;
}
#endif
vec_t sightarea;
const vec_t *receiver_origin;
const vec_t *receiver_normal;
const Winding *emitter_winding;
receiver_origin = origin;
receiver_normal = normal1;
#ifdef HLRAD_TRANSLUCENT
if (useback)
{
receiver_origin = backorigin;
receiver_normal = backnormal;
}
#endif
emitter_winding = patch2->winding;
sightarea = CalcSightArea (receiver_origin, receiver_normal, emitter_winding, patch2->emitter_skylevel
#ifdef HLRAD_DIVERSE_LIGHTING
, lighting_power, lighting_scale
#endif
);
vec_t frac;
frac = dist / patch2->emitter_range;
frac = (frac - 0.5f) * 2.0f; // make a smooth transition between the two methods
frac = max (0, min (frac, 1));
trans_one = frac * trans_one + (1 - frac) * (sightarea / patch2->area); // because later we will multiply this back
}
#ifdef HLRAD_ACCURATEBOUNCE_ALTERNATEORIGIN
else
{
if (light_behind_surface)
{
continue;
}
}
#endif
#endif
#ifdef HLRAD_ACCURATEBOUNCE_REDUCEAREA
trans_one *= patch2->exposure;
#endif
VectorFill(trans, trans_one);
VectorMultiply(trans, transparency, trans); //hullu: add transparency effect
#ifdef HLRAD_TRANSLUCENT
if (patch->translucent_b)
{
if (useback)
{
for (int x = 0; x < 3; x++)
{
trans[x] = patch->translucent_v[x] * trans[x];
}
}
else
{
for (int x = 0; x < 3; x++)
{
trans[x] = (1 - patch->translucent_v[x]) * trans[x];
}
}
}
#endif
#ifdef HLRAD_RGBTRANSFIX
#ifdef HLRAD_ACCURATEBOUNCE
if (trans_one <= 0.0)
{
continue;
}
#else
if (trans_one >= 0)
#endif
{
#ifndef HLRAD_TRANSWEIRDFIX
#ifdef HLRAD_NOSWAP
send = trans_one * area;
#else
send = trans_one * patch2->area;
#endif
if (send > 0.4f)
{
#ifdef HLRAD_NOSWAP
trans_one = 0.4f / area;
#else
trans_one = 0.4f / patch2->area;
#endif
send = 0.4f;
VectorFill(trans, trans_one);
VectorMultiply(trans, transparency, trans);
}
#endif /*HLRAD_TRANSWEIRDFIX*/
#ifndef HLRAD_TRANSNONORMALIZE
total += send;
#endif
#else /*HLRAD_RGBTRANSFIX*/
#ifdef HLRAD_ACCURATEBOUNCE
if (VectorAvg(trans) <= 0.0)
{
continue;
}
#else
if (VectorAvg(trans) >= 0)
#endif
{
/////////////////////////////////////////RED
send = trans[0] * patch2->area;
// Caps light from getting weird
if (send > 0.4f)
{
trans[0] = 0.4f / patch2->area;
send = 0.4f;
}
#ifndef HLRAD_TRANSNONORMALIZE
total += send / 3.0f;
#endif
/////////////////////////////////////////GREEN
send = trans[1] * patch2->area;
// Caps light from getting weird
if (send > 0.4f)
{
trans[1] = 0.4f / patch2->area;
send = 0.4f;
}
#ifndef HLRAD_TRANSNONORMALIZE
total += send / 3.0f;
#endif
/////////////////////////////////////////BLUE
send = trans[2] * patch2->area;
// Caps light from getting weird
if (send > 0.4f)
{
trans[2] = 0.4f / patch2->area;
send = 0.4f;
}
#ifndef HLRAD_TRANSNONORMALIZE
total += send / 3.0f;
#endif
#endif /*HLRAD_RGBTRANSFIX*/
#ifdef HLRAD_TRANSFERDATA_COMPRESS
VectorScale(trans, patch2 -> area, trans);
#else
// scale to 16 bit (black magic)
#ifdef HLRAD_NOSWAP
VectorScale(trans, patch2 -> area * INVERSE_TRANSFER_SCALE, trans);
#else
VectorScale(trans, area * INVERSE_TRANSFER_SCALE, trans);
#endif /*HLRAD_NOSWAP*/
if (trans[0] >= TRANSFER_SCALE_MAX)
{
trans[0] = TRANSFER_SCALE_MAX;
}
if (trans[1] >= TRANSFER_SCALE_MAX)
{
trans[1] = TRANSFER_SCALE_MAX;
}
if (trans[2] >= TRANSFER_SCALE_MAX)
{
trans[2] = TRANSFER_SCALE_MAX;
}
#endif
}
#ifndef HLRAD_ACCURATEBOUNCE
else
{
#if 0
Warning("transfer < 0 (%4.3f %4.3f %4.3f): dist=(%f)\n"
" dot1=(%f) patch@(%4.3f %4.3f %4.3f) normal(%4.3f %4.3f %4.3f)\n"
" dot2=(%f) patch@(%4.3f %4.3f %4.3f) normal(%4.3f %4.3f %4.3f)\n",
trans[0], trans[1], trans[2], dist,
dot1, patch->origin[0], patch->origin[1], patch->origin[2], patch->normal[0], patch->normal[1],
patch->normal[2], dot2, patch2->origin[0], patch2->origin[1], patch2->origin[2],
patch2->normal[0], patch2->normal[1], patch2->normal[2]);
#endif
VectorFill(trans,0.0);
}
#endif
#ifdef HLRAD_TRANSFERDATA_COMPRESS
VectorCopy(trans, tRGBData);
*tIndex = j;
tRGBData+=3;
tIndex++;
patch->iData++;
#else
VectorCopy(trans, *tRGBData);
*tIndex = j;
tRGBData++;
tIndex++;
patch->iData++;
#endif
count++;
}
// copy the transfers out
if (patch->iData)
{
#ifdef HLRAD_TRANSFERDATA_COMPRESS
unsigned data_size = patch->iData * vector_size[g_rgbtransfer_compress_type] + unused_size;
#else
unsigned data_size = patch->iData * sizeof(rgb_transfer_data_t);
#endif
patch->tRGBData = (rgb_transfer_data_t*)AllocBlock(data_size);
patch->tIndex = CompressTransferIndicies(tIndex_All, patch->iData, &patch->iIndex);
hlassume(patch->tRGBData != NULL, assume_NoMemory);
hlassume(patch->tIndex != NULL, assume_NoMemory);
ThreadLock();
g_transfer_data_bytes += data_size;
ThreadUnlock();
#ifdef HLRAD_REFLECTIVITY
total = 1 / Q_PI;
#else
#ifdef HLRAD_TRANSNONORMALIZE
#ifdef HLRAD_TRANSTOTAL_HACK
total = g_transtotal_hack / Q_PI;
#else
total = 0.5 / Q_PI;
#endif
#else
//
// normalize all transfers so exactly 50% of the light
// is transfered to the surroundings
//
total = 0.5 / total;
#endif
#endif
{
#ifdef HLRAD_TRANSFERDATA_COMPRESS
unsigned x;
rgb_transfer_data_t* t1 = patch->tRGBData;
float* t2 = tRGBData_All;
float f[3];
for (x = 0; x < patch->iData; x++, t1+=vector_size[g_rgbtransfer_compress_type], t2+=3)
{
VectorScale( t2, total, f );
vector_compress (g_rgbtransfer_compress_type, t1, &f[0], &f[1], &f[2]);
}
#else
unsigned x;
rgb_transfer_data_t* t1 = patch->tRGBData;
rgb_transfer_data_t* t2 = tRGBData_All;
for (x = 0; x < patch->iData; x++, t1++, t2++)
{
VectorScale( *t2, total, *t1 );
}
#endif
}
}
}
FreeBlock(tIndex_All);
FreeBlock(tRGBData_All);
ThreadLock();
g_total_transfer += count;
ThreadUnlock();
}
#ifdef SYSTEM_WIN32
#pragma warning(pop)
#endif
/*
* =============
* SwapTransfersTask
*
* Change transfers from light sent out to light collected in.
* In an ideal world, they would be exactly symetrical, but
* because the form factors are only aproximated, then normalized,
* they will actually be rather different.
* =============
*/
#ifndef HLRAD_NOSWAP
void SwapRGBTransfers(const int patchnum)
{
patch_t* patch = &g_patches[patchnum];
transfer_index_t* tIndex = patch->tIndex;
rgb_transfer_data_t* tRGBData= patch->tRGBData;
unsigned x;
for (x = 0; x < patch->iIndex; x++, tIndex++)
{
unsigned size = (tIndex->size + 1);
unsigned patchnum2 = tIndex->index;
unsigned y;
for (y = 0; y < size; y++, tRGBData++, patchnum2++)
{
patch_t* patch2 = &g_patches[patchnum2];
if (patchnum2 > patchnum)
{ // done with this list
return;
}
else if (!patch2->iData)
{ // Set to zero in this impossible case
Log("patch2 has no iData\n");
VectorFill(*tRGBData, 0);
continue;
}
else
{
transfer_index_t* tIndex2 = patch2->tIndex;
rgb_transfer_data_t* tRGBData2 = patch2->tRGBData;
int offset = FindTransferOffsetPatchnum(tIndex2, patch2, patchnum);
if (offset >= 0)
{
rgb_transfer_data_t tmp;
VectorCopy(*tRGBData, tmp)
VectorCopy(tRGBData2[offset], *tRGBData);
VectorCopy(tmp, tRGBData2[offset]);
}
else
{ // Set to zero in this impossible case
Log("FindTransferOffsetPatchnum returned -1 looking for patch %d in patch %d's transfer lists\n",
patchnum, patchnum2);
VectorFill(*tRGBData, 0);
return;
}
}
}
}
}
