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Make block lighting a little bit faster

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This commit is contained in:
UnknownShadow200 2022-07-05 08:39:39 +10:00
parent f7dbfbadcc
commit f6ce731246
1 changed files with 27 additions and 30 deletions
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57
src/Lighting.c
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@ -357,77 +357,67 @@ static void CalcBlockLight(cc_uint8 blockLight, int x, int y, int z, cc_bool sun
return;
}
BlockID thisBlock = World_GetBlock(curNode.X, curNode.Y, curNode.Z);
curBlockLight--; // 1 level less in each neighbour
if (curBlockLight == 0) continue;
curNode.X--;
if (curNode.X > 0 &&
curBlockLight - 1 > 0 &&
CanLightPass(thisBlock, FACE_XMAX) &&
CanLightPass(World_GetBlock(curNode.X, curNode.Y, curNode.Z), FACE_XMIN) &&
GetBlocklight(curNode.X, curNode.Y, curNode.Z, sun) < curBlockLight - 1
GetBlocklight(curNode.X, curNode.Y, curNode.Z, sun) < curBlockLight
) {
SetBlocklight(curBlockLight - 1, curNode.X, curNode.Y, curNode.Z, sun);
IVec3 entry = { curNode.X, curNode.Y, curNode.Z };
LightQueue_Enqueue(&lightQueue, entry);
SetBlocklight(curBlockLight, curNode.X, curNode.Y, curNode.Z, sun);
LightQueue_Enqueue(&lightQueue, curNode);
}
curNode.X += 2;
if (curNode.X < World.MaxX &&
curBlockLight - 1 > 0 &&
CanLightPass(thisBlock, FACE_XMIN) &&
CanLightPass(World_GetBlock(curNode.X, curNode.Y, curNode.Z), FACE_XMAX) &&
GetBlocklight(curNode.X, curNode.Y, curNode.Z, sun) < curBlockLight - 1
GetBlocklight(curNode.X, curNode.Y, curNode.Z, sun) < curBlockLight
) {
SetBlocklight(curBlockLight - 1, curNode.X, curNode.Y, curNode.Z, sun);
IVec3 entry = { curNode.X, curNode.Y, curNode.Z };
LightQueue_Enqueue(&lightQueue, entry);
SetBlocklight(curBlockLight, curNode.X, curNode.Y, curNode.Z, sun);
LightQueue_Enqueue(&lightQueue, curNode);
}
curNode.X--;
curNode.Y--;
if (curNode.Y > 0 &&
curBlockLight - 1 > 0 &&
CanLightPass(thisBlock, FACE_YMAX) &&
CanLightPass(World_GetBlock(curNode.X, curNode.Y, curNode.Z), FACE_YMIN) &&
GetBlocklight(curNode.X, curNode.Y, curNode.Z, sun) < curBlockLight - 1
GetBlocklight(curNode.X, curNode.Y, curNode.Z, sun) < curBlockLight
) {
SetBlocklight(curBlockLight - 1, curNode.X, curNode.Y, curNode.Z, sun);
IVec3 entry = { curNode.X, curNode.Y, curNode.Z };
LightQueue_Enqueue(&lightQueue, entry);
SetBlocklight(curBlockLight, curNode.X, curNode.Y, curNode.Z, sun);
LightQueue_Enqueue(&lightQueue, curNode);
}
curNode.Y += 2;
if (curNode.Y < World.MaxY &&
curBlockLight - 1 > 0 &&
CanLightPass(thisBlock, FACE_YMIN) &&
CanLightPass(World_GetBlock(curNode.X, curNode.Y, curNode.Z), FACE_YMAX) &&
GetBlocklight(curNode.X, curNode.Y, curNode.Z, sun) < curBlockLight - 1
GetBlocklight(curNode.X, curNode.Y, curNode.Z, sun) < curBlockLight
) {
SetBlocklight(curBlockLight - 1, curNode.X, curNode.Y, curNode.Z, sun);
IVec3 entry = { curNode.X, curNode.Y, curNode.Z };
LightQueue_Enqueue(&lightQueue, entry);
SetBlocklight(curBlockLight, curNode.X, curNode.Y, curNode.Z, sun);
LightQueue_Enqueue(&lightQueue, curNode);
}
curNode.Y--;
curNode.Z--;
if (curNode.Z > 0 &&
curBlockLight - 1 > 0 &&
CanLightPass(thisBlock, FACE_ZMAX) &&
CanLightPass(World_GetBlock(curNode.X, curNode.Y, curNode.Z), FACE_ZMIN) &&
GetBlocklight(curNode.X, curNode.Y, curNode.Z, sun) < curBlockLight - 1
GetBlocklight(curNode.X, curNode.Y, curNode.Z, sun) < curBlockLight
) {
SetBlocklight(curBlockLight - 1, curNode.X, curNode.Y, curNode.Z, sun);
IVec3 entry = { curNode.X, curNode.Y, curNode.Z };
LightQueue_Enqueue(&lightQueue, entry);
SetBlocklight(curBlockLight, curNode.X, curNode.Y, curNode.Z, sun);
LightQueue_Enqueue(&lightQueue, curNode);
}
curNode.Z += 2;
if (curNode.Z < World.MaxZ &&
curBlockLight - 1 > 0 &&
CanLightPass(thisBlock, FACE_ZMIN) &&
CanLightPass(World_GetBlock(curNode.X, curNode.Y, curNode.Z), FACE_ZMAX) &&
GetBlocklight(curNode.X, curNode.Y, curNode.Z, sun) < curBlockLight - 1
GetBlocklight(curNode.X, curNode.Y, curNode.Z, sun) < curBlockLight
) {
SetBlocklight(curBlockLight - 1, curNode.X, curNode.Y, curNode.Z, sun);
IVec3 entry = { curNode.X, curNode.Y, curNode.Z };
LightQueue_Enqueue(&lightQueue, entry);
SetBlocklight(curBlockLight, curNode.X, curNode.Y, curNode.Z, sun);
LightQueue_Enqueue(&lightQueue, curNode);
}
}
}
@ -586,6 +576,8 @@ static void CalculateChunkLightingAll(int chunkIndex, int cx, int cy, int cz) {
cc_string msg; char msgBuffer[STRING_SIZE * 2];
//cc_uint64 BEG = Stopwatch_Measure();
for (y = chunkStartY; y <= chunkEndY; y++) {
for (z = chunkStartZ; z <= chunkEndZ; z++) {
for (x = chunkStartX; x <= chunkEndX; x++) {
@ -605,6 +597,11 @@ static void CalculateChunkLightingAll(int chunkIndex, int cx, int cy, int cz) {
}
}
//cc_uint64 END = Stopwatch_Measure();
//static float ELAPSED;
//ELAPSED += Stopwatch_ElapsedMicroseconds(BEG, END) / 1000.0;
//Platform_Log1("CALC TIME: %f3", &ELAPSED);
chunkLightingDataFlags[chunkIndex] = CHUNK_ALL_CALCULATED;
}