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better rounding and s int overflow

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This commit is contained in:
Nikita Edel
2026-03-11 14:21:04 +01:00
parent 5aef20e37e
commit a24f9f5a5e
2 changed files with 6 additions and 4 deletions
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5
Minecraft.Client/Platform/Common/GameRules/ConsoleSchematicFile.cpp
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@@ -334,14 +334,15 @@ __int64 ConsoleSchematicFile::applyBlocksAndData(LevelChunk *chunk, AABB *chunkB
__int64 ConsoleSchematicFile::applyLighting(LevelChunk *chunk, AABB *chunkBox, AABB *destinationBox, ESchematicRotation rot)
{
int xStart = std::max(destinationBox->x0, (double)chunk->x*16);
int xEnd = std::min(destinationBox->x1, (double)((xStart>>4)<<4) + 16);
// 4jcraft changed >>4<<4 to & ~15
int xEnd = std::min(destinationBox->x1, (double)(xStart & ~15) + 16);
int yStart = destinationBox->y0;
int yEnd = destinationBox->y1;
if(yEnd > Level::maxBuildHeight) yEnd = Level::maxBuildHeight;
int zStart = std::max(destinationBox->z0, (double)chunk->z*16);
int zEnd = std::min(destinationBox->z1, (double)((zStart>>4)<<4) + 16);
int zEnd = std::min(destinationBox->z1, (double)(zStart & ~15) + 16);
int rowBlocksIncluded = (yEnd-yStart)*(zEnd-zStart);
int blocksIncluded = (xEnd-xStart)*rowBlocksIncluded;