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Optimise BlockSoil nearby water lookup

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Apparently the abstract block iteration was taking about
75% of the method call.
This commit is contained in:
Spottedleaf 2021-06-10 14:36:00 -07:00
parent 18496d0c01
commit d063ae6275
1 changed files with 39 additions and 0 deletions
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39
paper-server/patches/sources/net/minecraft/world/level/block/FarmBlock.java.patch
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@ -71,3 +71,42 @@
BlockState iblockdata1 = pushEntitiesUp(state, Blocks.DIRT.defaultBlockState(), world, pos);
world.setBlockAndUpdate(pos, iblockdata1);
@@ -125,19 +154,28 @@
}
private static boolean isNearWater(LevelReader world, BlockPos pos) {
- Iterator iterator = BlockPos.betweenClosed(pos.offset(-4, 0, -4), pos.offset(4, 1, 4)).iterator();
+ // Paper start - Perf: remove abstract block iteration
+ int xOff = pos.getX();
+ int yOff = pos.getY();
+ int zOff = pos.getZ();
- BlockPos blockposition1;
-
- do {
- if (!iterator.hasNext()) {
- return false;
+ for (int dz = -4; dz <= 4; ++dz) {
+ int z = dz + zOff;
+ for (int dx = -4; dx <= 4; ++dx) {
+ int x = xOff + dx;
+ for (int dy = 0; dy <= 1; ++dy) {
+ int y = dy + yOff;
+ net.minecraft.world.level.chunk.LevelChunk chunk = (net.minecraft.world.level.chunk.LevelChunk)world.getChunk(x >> 4, z >> 4);
+ net.minecraft.world.level.material.FluidState fluid = chunk.getBlockStateFinal(x, y, z).getFluidState();
+ if (fluid.is(FluidTags.WATER)) {
+ return true;
+ }
+ }
}
+ }
- blockposition1 = (BlockPos) iterator.next();
- } while (!world.getFluidState(blockposition1).is(FluidTags.WATER));
-
- return true;
+ return false;
+ // Paper end - Perf: remove abstract block iteration
}
@Override