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dminer example optimizations

This commit is contained in:
Vadim Lopatin 2017-05-15 06:39:41 +03:00
parent c8a9d34534
commit ecc82fa184
1 changed files with 77 additions and 1 deletions
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78
examples/dminer/src/dminer/core/chunk.d
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@ -981,6 +981,46 @@ struct VisibilityCheckChunk {
maskTo[Dir.UP] |= yPlaneFromZplanes(planes, 7);
}
}
void applyYPlanesTrace(ref ulong[8] planes) {
if (spreadToDirMask & DirMask.MASK_WEST) { // x--
// X planes (WEST EAST): z, y
//maskTo[Dir.WEST] |= xPlaneFromZplanes(planes, 0);
}
if (spreadToDirMask & DirMask.MASK_EAST) { // x++
// X planes (WEST EAST): z, y
//maskTo[Dir.EAST] |= xPlaneFromZplanes(planes, 7);
}
if (spreadToDirMask & DirMask.MASK_NORTH) { // z--
// Y planes (DOWN UP): x, z
//maskTo[Dir.DOWN] |= yPlaneFromZplanes(planes, 0);
}
if (spreadToDirMask & DirMask.MASK_SOUTH) { // z++
// Y planes (DOWN UP): x, z
//maskTo[Dir.UP] |= yPlaneFromZplanes(planes, 7);
}
}
void applyXPlanesTrace(ref ulong[8] planes) {
if (spreadToDirMask & DirMask.MASK_NORTH) { // z--
// X planes (WEST EAST): z, y
//maskTo[Dir.WEST] |= xPlaneFromZplanes(planes, 0);
}
if (spreadToDirMask & DirMask.MASK_SOUTH) { // z++
// X planes (WEST EAST): z, y
//maskTo[Dir.EAST] |= xPlaneFromZplanes(planes, 7);
}
if (spreadToDirMask & DirMask.MASK_DOWN) { // y--
// Y planes (DOWN UP): x, z
//maskTo[Dir.DOWN] |= yPlaneFromZplanes(planes, 0);
}
if (spreadToDirMask & DirMask.MASK_UP) { // y++
// Y planes (DOWN UP): x, z
//maskTo[Dir.UP] |= yPlaneFromZplanes(planes, 7);
}
}
void tracePaths() {
if (auto mask = maskFrom[Dir.NORTH]) {
ulong[8] planes;
@ -1001,13 +1041,49 @@ struct VisibilityCheckChunk {
planes[i] = mask;
}
maskTo[Dir.SOUTH] |= planes[7];
applyZPlanesTrace(planes);
applyYPlanesTrace(planes);
}
if (auto mask = maskFrom[Dir.DOWN]) {
ulong[8] planes;
for (int i = 7; i >= 0; i--) {
mask = spreadYPlane(mask, chunk.canPassPlanesY[i], spreadToDirMask);
if (!mask)
break;
planes[i] = mask;
}
maskTo[Dir.DOWN] |= planes[0];
applyYPlanesTrace(planes);
} else if (auto mask = maskFrom[Dir.UP]) {
ulong[8] planes;
for (int i = 0; i <= 7; i++) {
mask = spreadYPlane(mask, chunk.canPassPlanesY[i], spreadToDirMask);
if (!mask)
break;
planes[i] = mask;
}
maskTo[Dir.UP] |= planes[7];
applyYPlanesTrace(planes);
}
if (auto mask = maskFrom[Dir.WEST]) {
ulong[8] planes;
for (int i = 7; i >= 0; i--) {
mask = spreadXPlane(mask, chunk.canPassPlanesX[i], spreadToDirMask);
if (!mask)
break;
planes[i] = mask;
}
maskTo[Dir.WEST] |= planes[0];
applyXPlanesTrace(planes);
} else if (auto mask = maskFrom[Dir.EAST]) {
ulong[8] planes;
for (int i = 0; i <= 7; i++) {
mask = spreadXPlane(mask, chunk.canPassPlanesX[i], spreadToDirMask);
if (!mask)
break;
planes[i] = mask;
}
maskTo[Dir.EAST] |= planes[7];
applyXPlanesTrace(planes);
}
}
}