public float ligtValueAtWorldCoord(Coord woco, Direction dir)
{
NoisePatch np = noisePatchAtWorldCoord(woco);
if (np == null)
{
throw new Exception("trying to get a heights list for which we don't have a noise patch");
return(0f);
}
return(np.lightValueAtPatchRelativeCoord(CoordUtil.PatchRelativeBlockCoordForWorldBlockCoord(woco), dir));
}
public Vector4 lightDataForQuadFloat(Quad quad, Direction dir, int normalOffset)
{
// if (debugLinesAssistant == null)
// debugLinesAssistant = ChunkManager.debugLinesAssistant; //BUG ON SEP THREAD // CompareBaseObjectsInternal can only be called from the main thread
if (m_noisePatch == null)
{
m_noisePatch = m_chunk.m_noisePatch;
}
// AssertUtil.Assert(m_noisePatch != null, "what? noisepatch still null?");
Coord chunkRelCoOfOrigin = chunkRelativeCoordFrom(quad, dir, normalOffset) + DirectionUtil.NudgeCoordForDirection(dir);
// check the nine blocks right in front.
// for those that are not solid
// check the windows.
CoordSurfaceStatus surfaceStatus;
int[] rows = new int[4];
for (int i = 0; i < quad.dimensions.s; ++i)
{
for (int j = 0; j < quad.dimensions.t; ++j)
{
Coord quadOffset = DirectionUtil.CoordForPTwoAndNormalDirectionWithFaceAggregatorRules(new PTwo(i, j), dir);
Coord thePatchRelCo = CoordUtil.PatchRelativeChunkCoordForChunkCoord(this.chunkCoord) * (int)ChunkManager.CHUNKLENGTH + chunkRelCoOfOrigin + quadOffset;
surfaceStatus = m_noisePatch.patchRelativeCoordIsAboveSurface(thePatchRelCo);
int lightValue = NUM_LIGHT_LEVELS - 1;
if (surfaceStatus != CoordSurfaceStatus.ABOVE_SURFACE)
{
lightValue = (int)(m_noisePatch.lightValueAtPatchRelativeCoord(thePatchRelCo, dir) * LIGHT_VALUE_CONVERTER);
}
//SET THE VALUES IN THE WAY THAT THE SHADER EXPECTS THEM
//EXAMPLE: IF QUAD.ORIGIN.S = 7, I = 0,
//THE SHADER WILL TAKE THE VALUE FROM COMPONENT WITH 'INDEX' 3 (7 % 4 => 3)
rows[(quad.origin.s + i) % FaceSet.MAX_DIMENSIONS.s] |= colorValueFloatWith((quad.origin.t + j)
% FaceSet.MAX_DIMENSIONS.t, lightValue);
}
}
return(new Vector4((float)rows[0], (float)rows[1], (float)rows[2], (float)rows[3]));
}