Files
ReplayModCinematic/src/main/java/com/replaymod/replay/mixin/MixinViewFrustum.java
2016-09-17 22:00:04 +02:00

72 lines
3.1 KiB
Java

package com.replaymod.replay.mixin;
import com.replaymod.replay.ReplayModReplay;
import net.minecraft.client.renderer.RenderGlobal;
import net.minecraft.client.renderer.ViewFrustum;
import net.minecraft.client.renderer.chunk.IRenderChunkFactory;
import net.minecraft.client.renderer.chunk.RenderChunk;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MathHelper;
import net.minecraft.world.World;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
@Mixin(ViewFrustum.class)
public abstract class MixinViewFrustum {
private IRenderChunkFactory renderChunkFactory;
@Shadow protected RenderGlobal renderGlobal;
@Shadow protected World world;
@Shadow protected int countChunksY;
@Shadow protected int countChunksX;
@Shadow protected int countChunksZ;
@Shadow public RenderChunk[] renderChunks;
@Inject(method = "<init>", at = @At("RETURN"))
private void setRenderChunkFactory(World a1, int a2, RenderGlobal a3, IRenderChunkFactory rcf, CallbackInfo ci) {
this.renderChunkFactory = rcf;
}
/**
* Instead of calling {@link RenderChunk#setOrigin(int, int, int)} we recreate the render chunk
* which seems to solve the problem that chunks are invisible when you leave an area and return
* to it.
* Any better fixes are welcome.
* Note: Most of this code is copied from {@link ViewFrustum#updateChunkPositions(double, double)}
*/
@Inject(method = "updateChunkPositions", at = @At("HEAD"), cancellable = true)
public void fixedUpdateChunkPositions(double viewEntityX, double viewEntityZ, CallbackInfo ci) {
if (ReplayModReplay.instance.getReplayHandler() == null) {
return;
}
int i = MathHelper.floor_double(viewEntityX) - 8;
int j = MathHelper.floor_double(viewEntityZ) - 8;
int k = this.countChunksX * 16;
for (int l = 0; l < this.countChunksX; ++l) {
int i1 = this.getBaseCoordinate(i, k, l);
for (int j1 = 0; j1 < this.countChunksZ; ++j1) {
int k1 = this.getBaseCoordinate(j, k, j1);
for (int l1 = 0; l1 < this.countChunksY; ++l1) {
int i2 = l1 * 16;
RenderChunk renderchunk = this.renderChunks[(j1 * this.countChunksY + l1) * this.countChunksX + l];
BlockPos blockpos = new BlockPos(i1, i2, k1);
if (!blockpos.equals(renderchunk.getPosition())) {
// Recreate render chunk instead of setting its position
(renderChunks[(j1 * this.countChunksY + l1) * this.countChunksX + l] =
renderChunkFactory.create(world, renderGlobal, 0)
).setOrigin(blockpos.getX(), blockpos.getY(), blockpos.getZ());
}
}
}
}
ci.cancel();
}
@Shadow abstract int getBaseCoordinate(int p_178157_1_, int p_178157_2_, int p_178157_3_);
}