126 lines
4.9 KiB
Java
126 lines
4.9 KiB
Java
/*
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* This file is part of ComputerCraft - http://www.computercraft.info
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* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
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* Send enquiries to dratcliffe@gmail.com
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*/
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package dan200.computercraft.client.render;
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import dan200.computercraft.ComputerCraft;
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import dan200.computercraft.shared.peripheral.modem.wired.BlockCable;
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import dan200.computercraft.shared.peripheral.modem.wired.CableModemVariant;
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import dan200.computercraft.shared.peripheral.modem.wired.CableShapes;
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import dan200.computercraft.shared.peripheral.modem.wired.TileCable;
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import net.minecraft.block.Block;
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import net.minecraft.block.state.IBlockState;
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import net.minecraft.client.Minecraft;
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import net.minecraft.client.renderer.BufferBuilder;
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import net.minecraft.client.renderer.GlStateManager;
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import net.minecraft.client.renderer.Tessellator;
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import net.minecraft.client.renderer.WorldRenderer;
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import net.minecraft.client.renderer.model.IBakedModel;
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import net.minecraft.client.renderer.texture.TextureAtlasSprite;
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import net.minecraft.client.renderer.tileentity.TileEntityRenderer;
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import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
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import net.minecraft.util.BlockRenderLayer;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.math.RayTraceResult;
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import net.minecraft.util.math.shapes.VoxelShape;
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import net.minecraft.world.World;
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import net.minecraftforge.client.ForgeHooksClient;
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import net.minecraftforge.client.MinecraftForgeClient;
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import org.lwjgl.opengl.GL11;
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import javax.annotation.Nonnull;
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import java.util.Random;
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/**
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* Render breaking animation only over part of a {@link TileCable}.
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*/
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public class TileEntityCableRenderer extends TileEntityRenderer<TileCable>
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{
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private static final Random random = new Random();
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@Override
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public void render( @Nonnull TileCable te, double x, double y, double z, float partialTicks, int destroyStage )
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{
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if( destroyStage < 0 ) return;
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BlockPos pos = te.getPos();
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Minecraft mc = Minecraft.getInstance();
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RayTraceResult hit = mc.objectMouseOver;
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if( hit == null || !hit.getBlockPos().equals( pos ) ) return;
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if( MinecraftForgeClient.getRenderPass() != 0 ) return;
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World world = te.getWorld();
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IBlockState state = world.getBlockState( pos );
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Block block = state.getBlock();
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if( block != ComputerCraft.Blocks.cable ) return;
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VoxelShape shape = CableShapes.getModemShape( state );
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state = te.hasModem() && shape.getBoundingBox().grow( 0.02, 0.02, 0.02 ).contains( hit.hitVec.subtract( pos.getX(), pos.getY(), pos.getZ() ) )
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? block.getDefaultState().with( BlockCable.MODEM, state.get( BlockCable.MODEM ) )
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: state.with( BlockCable.MODEM, CableModemVariant.None );
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IBakedModel model = mc.getBlockRendererDispatcher().getModelForState( state );
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preRenderDamagedBlocks();
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BufferBuilder buffer = Tessellator.getInstance().getBuffer();
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buffer.begin( GL11.GL_QUADS, DefaultVertexFormats.BLOCK );
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buffer.setTranslation( x - pos.getX(), y - pos.getY(), z - pos.getZ() );
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buffer.noColor();
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ForgeHooksClient.setRenderLayer( block.getRenderLayer() );
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// See BlockRendererDispatcher#renderBlockDamage
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TextureAtlasSprite breakingTexture = mc.getTextureMap().getSprite( DESTROY_STAGES[destroyStage] );
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mc.getBlockRendererDispatcher().getBlockModelRenderer().renderModel(
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world,
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ForgeHooksClient.getDamageModel( model, breakingTexture, state, world, pos ),
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state, pos, buffer, true, random, state.getPositionRandom( pos )
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);
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ForgeHooksClient.setRenderLayer( BlockRenderLayer.SOLID );
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buffer.setTranslation( 0, 0, 0 );
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Tessellator.getInstance().draw();
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postRenderDamagedBlocks();
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}
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/**
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* @see WorldRenderer#preRenderDamagedBlocks()
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*/
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private void preRenderDamagedBlocks()
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{
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GlStateManager.disableLighting();
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GlStateManager.enableBlend();
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GlStateManager.blendFuncSeparate( GlStateManager.SourceFactor.DST_COLOR, GlStateManager.DestFactor.SRC_COLOR, GlStateManager.SourceFactor.ONE, GlStateManager.DestFactor.ZERO );
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GlStateManager.enableBlend();
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GlStateManager.color4f( 1.0F, 1.0F, 1.0F, 0.5F );
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GlStateManager.polygonOffset( -3.0F, -3.0F );
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GlStateManager.enablePolygonOffset();
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GlStateManager.alphaFunc( 516, 0.1F );
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GlStateManager.enableAlphaTest();
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GlStateManager.pushMatrix();
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}
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/**
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* @see WorldRenderer#postRenderDamagedBlocks()
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*/
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private void postRenderDamagedBlocks()
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{
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GlStateManager.disableAlphaTest();
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GlStateManager.polygonOffset( 0.0F, 0.0F );
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GlStateManager.disablePolygonOffset();
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GlStateManager.disablePolygonOffset();
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GlStateManager.depthMask( true );
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GlStateManager.popMatrix();
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}
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}
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