minecraft-src/net/minecraft/client/renderer/blockentity/PistonHeadRenderer.java
2025-07-04 03:45:38 +03:00

84 lines
4.5 KiB
Java

package net.minecraft.client.renderer.blockentity;
import com.mojang.blaze3d.vertex.PoseStack;
import com.mojang.blaze3d.vertex.VertexConsumer;
import java.util.List;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.renderer.ItemBlockRenderTypes;
import net.minecraft.client.renderer.MultiBufferSource;
import net.minecraft.client.renderer.RenderType;
import net.minecraft.client.renderer.block.BlockRenderDispatcher;
import net.minecraft.client.renderer.block.ModelBlockRenderer;
import net.minecraft.client.renderer.block.model.BlockModelPart;
import net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider.Context;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.util.RandomSource;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.piston.PistonBaseBlock;
import net.minecraft.world.level.block.piston.PistonHeadBlock;
import net.minecraft.world.level.block.piston.PistonMovingBlockEntity;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.properties.PistonType;
import net.minecraft.world.phys.Vec3;
@Environment(EnvType.CLIENT)
public class PistonHeadRenderer implements BlockEntityRenderer<PistonMovingBlockEntity> {
private final BlockRenderDispatcher blockRenderer;
public PistonHeadRenderer(Context context) {
this.blockRenderer = context.getBlockRenderDispatcher();
}
public void render(PistonMovingBlockEntity pistonMovingBlockEntity, float f, PoseStack poseStack, MultiBufferSource multiBufferSource, int i, int j, Vec3 vec3) {
Level level = pistonMovingBlockEntity.getLevel();
if (level != null) {
BlockPos blockPos = pistonMovingBlockEntity.getBlockPos().relative(pistonMovingBlockEntity.getMovementDirection().getOpposite());
BlockState blockState = pistonMovingBlockEntity.getMovedState();
if (!blockState.isAir()) {
ModelBlockRenderer.enableCaching();
poseStack.pushPose();
poseStack.translate(pistonMovingBlockEntity.getXOff(f), pistonMovingBlockEntity.getYOff(f), pistonMovingBlockEntity.getZOff(f));
if (blockState.is(Blocks.PISTON_HEAD) && pistonMovingBlockEntity.getProgress(f) <= 4.0F) {
blockState = blockState.setValue(PistonHeadBlock.SHORT, pistonMovingBlockEntity.getProgress(f) <= 0.5F);
this.renderBlock(blockPos, blockState, poseStack, multiBufferSource, level, false, j);
} else if (pistonMovingBlockEntity.isSourcePiston() && !pistonMovingBlockEntity.isExtending()) {
PistonType pistonType = blockState.is(Blocks.STICKY_PISTON) ? PistonType.STICKY : PistonType.DEFAULT;
BlockState blockState2 = Blocks.PISTON_HEAD
.defaultBlockState()
.setValue(PistonHeadBlock.TYPE, pistonType)
.setValue(PistonHeadBlock.FACING, (Direction)blockState.getValue(PistonBaseBlock.FACING));
blockState2 = blockState2.setValue(PistonHeadBlock.SHORT, pistonMovingBlockEntity.getProgress(f) >= 0.5F);
this.renderBlock(blockPos, blockState2, poseStack, multiBufferSource, level, false, j);
BlockPos blockPos2 = blockPos.relative(pistonMovingBlockEntity.getMovementDirection());
poseStack.popPose();
poseStack.pushPose();
blockState = blockState.setValue(PistonBaseBlock.EXTENDED, true);
this.renderBlock(blockPos2, blockState, poseStack, multiBufferSource, level, true, j);
} else {
this.renderBlock(blockPos, blockState, poseStack, multiBufferSource, level, false, j);
}
poseStack.popPose();
ModelBlockRenderer.clearCache();
}
}
}
/**
* @param extended if {@code true}, checks all sides before rendering via {@link net.minecraft.world.level.block.Block#shouldRenderFace(net.minecraft.world.level.block.state.BlockState, net.minecraft.world.level.BlockGetter, net.minecraft.core.BlockPos, net.minecraft.core.Direction, net.minecraft.core.BlockPos)}
*/
private void renderBlock(BlockPos pos, BlockState state, PoseStack poseStack, MultiBufferSource bufferSource, Level level, boolean extended, int packedOverlay) {
RenderType renderType = ItemBlockRenderTypes.getMovingBlockRenderType(state);
VertexConsumer vertexConsumer = bufferSource.getBuffer(renderType);
List<BlockModelPart> list = this.blockRenderer.getBlockModel(state).collectParts(RandomSource.create(state.getSeed(pos)));
this.blockRenderer.getModelRenderer().tesselateBlock(level, list, state, pos, poseStack, vertexConsumer, extended, packedOverlay);
}
@Override
public int getViewDistance() {
return 68;
}
}