package net.minecraft.client.renderer.blockentity; import com.mojang.blaze3d.vertex.PoseStack; import com.mojang.blaze3d.vertex.VertexConsumer; 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.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; @Environment(EnvType.CLIENT) public class PistonHeadRenderer implements BlockEntityRenderer { private final BlockRenderDispatcher blockRenderer; public PistonHeadRenderer(Context context) { this.blockRenderer = context.getBlockRenderDispatcher(); } public void render( PistonMovingBlockEntity blockEntity, float partialTick, PoseStack poseStack, MultiBufferSource bufferSource, int packedLight, int packedOverlay ) { Level level = blockEntity.getLevel(); if (level != null) { BlockPos blockPos = blockEntity.getBlockPos().relative(blockEntity.getMovementDirection().getOpposite()); BlockState blockState = blockEntity.getMovedState(); if (!blockState.isAir()) { ModelBlockRenderer.enableCaching(); poseStack.pushPose(); poseStack.translate(blockEntity.getXOff(partialTick), blockEntity.getYOff(partialTick), blockEntity.getZOff(partialTick)); if (blockState.is(Blocks.PISTON_HEAD) && blockEntity.getProgress(partialTick) <= 4.0F) { blockState = blockState.setValue(PistonHeadBlock.SHORT, blockEntity.getProgress(partialTick) <= 0.5F); this.renderBlock(blockPos, blockState, poseStack, bufferSource, level, false, packedOverlay); } else if (blockEntity.isSourcePiston() && !blockEntity.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, blockEntity.getProgress(partialTick) >= 0.5F); this.renderBlock(blockPos, blockState2, poseStack, bufferSource, level, false, packedOverlay); BlockPos blockPos2 = blockPos.relative(blockEntity.getMovementDirection()); poseStack.popPose(); poseStack.pushPose(); blockState = blockState.setValue(PistonBaseBlock.EXTENDED, true); this.renderBlock(blockPos2, blockState, poseStack, bufferSource, level, true, packedOverlay); } else { this.renderBlock(blockPos, blockState, poseStack, bufferSource, level, false, packedOverlay); } 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); this.blockRenderer .getModelRenderer() .tesselateBlock( level, this.blockRenderer.getBlockModel(state), state, pos, poseStack, vertexConsumer, extended, RandomSource.create(), state.getSeed(pos), packedOverlay ); } @Override public int getViewDistance() { return 68; } }