// Recalc ball image
void CVectorCtl::BuildImage (LPDRAWITEMSTRUCT lpDrawItemStruct)
{
int xf, yf;
for (int x=0; x<m_iWidth; x++) // Scan all columns
for (int y=0; y<m_iHeight; y++) { // Scan all rows
xf = x-m_iXCenter; // Find distance from center
yf = y-m_iYCenter;
if (xf*xf + yf*yf <= m_iSqrRadius) { // Point on ball surface
double vx = double(xf) / double(m_iRadius),
vy = double(yf) / double(m_iRadius),
vz = sqrt (1.0 - vx*vx - vy*vy); // Find ball's normal
m_dcMem.SetPixelV (x,y, CalcLight (vx,vy,vz));
}
}
}
void cLightingThread::LightChunk(cLightingChunkStay & a_Item)
{
cChunkDef::BlockNibbles BlockLight, SkyLight;
ReadChunks(a_Item.m_ChunkX, a_Item.m_ChunkZ);
PrepareBlockLight();
CalcLight(m_BlockLight);
PrepareSkyLight();
/*
// DEBUG: Save chunk data with highlighted seeds for visual inspection:
cFile f4;
if (
f4.Open(Printf("Chunk_%d_%d_seeds.grab", a_Item.x, a_Item.z), cFile::fmWrite)
)
{
for (int z = 0; z < cChunkDef::Width * 3; z++)
{
for (int y = cChunkDef::Height / 2; y >= 0; y--)
{
unsigned char Seeds [cChunkDef::Width * 3];
memcpy(Seeds, m_BlockTypes + y * BlocksPerYLayer + z * cChunkDef::Width * 3, cChunkDef::Width * 3);
for (int x = 0; x < cChunkDef::Width * 3; x++)
{
if (m_IsSeed1[y * BlocksPerYLayer + z * cChunkDef::Width * 3 + x])
{
Seeds[x] = E_BLOCK_DIAMOND_BLOCK;
}
}
f4.Write(Seeds, cChunkDef::Width * 3);
}
}
}
//*/
CalcLight(m_SkyLight);
/*
// DEBUG: Save XY slices of the chunk data and lighting for visual inspection:
cFile f1, f2, f3;
if (
f1.Open(Printf("Chunk_%d_%d_data.grab", a_Item.x, a_Item.z), cFile::fmWrite) &&
f2.Open(Printf("Chunk_%d_%d_sky.grab", a_Item.x, a_Item.z), cFile::fmWrite) &&
f3.Open(Printf("Chunk_%d_%d_glow.grab", a_Item.x, a_Item.z), cFile::fmWrite)
)
{
for (int z = 0; z < cChunkDef::Width * 3; z++)
{
for (int y = cChunkDef::Height / 2; y >= 0; y--)
{
f1.Write(m_BlockTypes + y * BlocksPerYLayer + z * cChunkDef::Width * 3, cChunkDef::Width * 3);
unsigned char SkyLight [cChunkDef::Width * 3];
unsigned char BlockLight[cChunkDef::Width * 3];
for (int x = 0; x < cChunkDef::Width * 3; x++)
{
SkyLight[x] = m_SkyLight [y * BlocksPerYLayer + z * cChunkDef::Width * 3 + x] << 4;
BlockLight[x] = m_BlockLight[y * BlocksPerYLayer + z * cChunkDef::Width * 3 + x] << 4;
}
f2.Write(SkyLight, cChunkDef::Width * 3);
f3.Write(BlockLight, cChunkDef::Width * 3);
}
}
}
//*/
CompressLight(m_BlockLight, BlockLight);
CompressLight(m_SkyLight, SkyLight);
m_World->ChunkLighted(a_Item.m_ChunkX, a_Item.m_ChunkZ, BlockLight, SkyLight);
if (a_Item.m_CallbackAfter != NULL)
{
a_Item.m_CallbackAfter->Call(a_Item.m_ChunkX, a_Item.m_ChunkZ);
}
a_Item.Disable();
delete &a_Item;
}
