415 lines
12 KiB
Java
415 lines
12 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
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*
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* Applied Energistics 2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Applied Energistics 2 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
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*/
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package appeng.client.render.cablebus;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.EnumSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import javax.annotation.Nullable;
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import javax.vecmath.Vector3f;
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import com.google.common.base.Function;
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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.BlockRendererDispatcher;
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import net.minecraft.client.renderer.block.model.BakedQuad;
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import net.minecraft.client.renderer.block.model.IBakedModel;
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import net.minecraft.client.renderer.color.BlockColors;
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import net.minecraft.client.renderer.texture.TextureAtlasSprite;
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import net.minecraft.client.renderer.vertex.VertexFormat;
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import net.minecraft.util.BlockRenderLayer;
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import net.minecraft.util.EnumFacing;
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import net.minecraft.util.ResourceLocation;
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import net.minecraft.util.math.AxisAlignedBB;
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import appeng.api.AEApi;
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import appeng.api.util.AEAxisAlignedBB;
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import appeng.core.AELog;
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import appeng.core.AppEng;
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/**
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* Handles creating the quads for facades attached to cable busses.
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*/
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public class FacadeBuilder
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{
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private static final ResourceLocation TEXTURE_FACADE = new ResourceLocation( AppEng.MOD_ID, "parts/cable_anchor" );
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private final BlockColors blockColors = Minecraft.getMinecraft().getBlockColors();
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private final VertexFormat format;
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private final TextureAtlasSprite facadeTexture;
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private final BlockRendererDispatcher blockRendererDispatcher = Minecraft.getMinecraft().getBlockRendererDispatcher();
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FacadeBuilder( VertexFormat format, Function<ResourceLocation, TextureAtlasSprite> bakedTextureGetter )
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{
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this.format = format;
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this.facadeTexture = bakedTextureGetter.apply( TEXTURE_FACADE );
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}
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static Collection<ResourceLocation> getTextures()
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{
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return Collections.singletonList( TEXTURE_FACADE );
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}
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void addFacades( BlockRenderLayer layer, Map<EnumFacing, FacadeRenderState> facadesState, List<AxisAlignedBB> partBoxes, Set<EnumFacing> sidesWithParts, long rand, List<BakedQuad> quads )
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{
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boolean thinFacades = isUseThinFacades( partBoxes );
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CubeBuilder builder = new CubeBuilder( format, quads );
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facadesState.forEach( ( side, textureItem ) ->
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{
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AxisAlignedBB facadeBox = getFacadeBox( side, thinFacades );
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AEAxisAlignedBB cutOutBox = getCutOutBox( facadeBox, partBoxes );
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boolean renderStilt = !sidesWithParts.contains( side );
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try
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{
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addFacade( layer, facadesState, side, cutOutBox, thinFacades, renderStilt, rand, builder );
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}
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catch( Throwable t )
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{
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AELog.debug( t );
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}
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} );
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}
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public static TextureAtlasSprite getSprite( IBakedModel blockModel, IBlockState state, EnumFacing facing, long rand)
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{
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for( BakedQuad bakedQuad : blockModel.getQuads( state, facing, rand ) )
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{
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return bakedQuad.getSprite();
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}
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TextureAtlasSprite firstFound = null;
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for( BakedQuad bakedQuad : blockModel.getQuads( state, null, rand ) )
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{
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if( firstFound == null )
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{
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firstFound = bakedQuad.getSprite();
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}
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if( bakedQuad.getFace() == facing )
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{
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return bakedQuad.getSprite();
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}
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}
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return firstFound;
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}
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private void addFacade( BlockRenderLayer layer, Map<EnumFacing, FacadeRenderState> facades, EnumFacing side, AEAxisAlignedBB busBounds, boolean thinFacades, boolean renderStilt, long rand, CubeBuilder builder )
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{
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FacadeRenderState facadeState = facades.get( side );
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IBlockState blockState = facadeState.getSourceBlock();
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builder.setDrawFaces( EnumSet.allOf( EnumFacing.class ) );
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// We only render the stilt if we don't intersect with any part directly, and if there's no part on our side
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if( renderStilt && busBounds == null && layer == BlockRenderLayer.CUTOUT )
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{
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builder.setTexture( facadeTexture );
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switch( side )
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{
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case DOWN:
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builder.addCube( 7, 1, 7, 9, 6, 9 );
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break;
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case UP:
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builder.addCube( 7, 10, 7, 9, 15, 9 );
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break;
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case NORTH:
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builder.addCube( 7, 7, 1, 9, 9, 6 );
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break;
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case SOUTH:
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builder.addCube( 7, 7, 10, 9, 9, 15 );
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break;
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case WEST:
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builder.addCube( 1, 7, 7, 6, 9, 9 );
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break;
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case EAST:
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builder.addCube( 10, 7, 7, 15, 9, 9 );
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break;
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}
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}
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// Do not add the translucent facade in any other layer than translucent
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boolean translucent = AEApi.instance().partHelper().getCableRenderMode().transparentFacades;
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if( translucent && layer != BlockRenderLayer.TRANSLUCENT )
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{
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return;
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}
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final float thickness = thinFacades ? 1 : 2;
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IBakedModel blockModel = blockRendererDispatcher.getModelForState( blockState );
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int color = 0xffffff;
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try
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{
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blockColors.getColor( blockState );
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}
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catch( final Throwable ignored )
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{
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}
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if( translucent )
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{
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color &= 0xFFFFFF;
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color |= 0x4C000000;
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builder.setColor( color );
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}
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else
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{
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builder.setColorRGB( color );
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}
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// TODO: Cache this
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for( EnumFacing facing : facadeState.getOpenFaces() )
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{
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TextureAtlasSprite sprite = getSprite( blockModel, blockState, facing, rand );
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if( sprite != null )
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{
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builder.setTexture( facing, sprite );
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}
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else
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{
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builder.setTexture( facing, facadeTexture );
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}
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}
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builder.setDrawFaces( facadeState.getOpenFaces() );
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AxisAlignedBB primaryBox = getFacadeBox( side, thinFacades );
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Vector3f min = new Vector3f(
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(float) primaryBox.minX * 16,
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(float) primaryBox.minY * 16,
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(float) primaryBox.minZ * 16
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);
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Vector3f max = new Vector3f(
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(float) primaryBox.maxX * 16,
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(float) primaryBox.maxY * 16,
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(float) primaryBox.maxZ * 16
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);
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if( busBounds == null )
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{
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// Adjust the facade for neighboring facades so that facade cubes dont overlap with each other
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if( side == EnumFacing.NORTH || side == EnumFacing.SOUTH )
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{
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if( facades.containsKey( EnumFacing.UP ) )
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{
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max.y -= thickness;
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}
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if( facades.containsKey( EnumFacing.DOWN ) )
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{
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min.y += thickness;
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}
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}
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else if( side == EnumFacing.EAST || side == EnumFacing.WEST )
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{
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if( facades.containsKey( EnumFacing.UP ) )
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{
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max.y -= thickness;
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}
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if( facades.containsKey( EnumFacing.DOWN ) )
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{
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min.y += thickness;
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}
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if( facades.containsKey( EnumFacing.SOUTH ) )
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{
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max.z -= thickness;
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}
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if( facades.containsKey( EnumFacing.NORTH ) )
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{
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min.z += thickness;
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}
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}
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builder.addCube( min.x, min.y, min.z, max.x, max.y, max.z );
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}
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else
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{
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Vector3f busMin = new Vector3f( (float) busBounds.minX * 16, (float) busBounds.minY * 16, (float) busBounds.minZ * 16 );
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Vector3f busMax = new Vector3f( (float) busBounds.maxX * 16, (float) busBounds.maxY * 16, (float) busBounds.maxZ * 16 );
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if( side == EnumFacing.UP || side == EnumFacing.DOWN )
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{
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this.renderSegmentBlockCurrentBounds( builder, min, max, 0.0f, 0.0f, busMax.z, 16.0f, 16.0f, 16.0f );
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this.renderSegmentBlockCurrentBounds( builder, min, max, 0.0f, 0.0f, 0.0f, 16.0f, 16.0f, busMin.z );
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this.renderSegmentBlockCurrentBounds( builder, min, max, 0.0f, 0.0f, busMin.z, busMin.x, 16.0f, busMax.z );
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this.renderSegmentBlockCurrentBounds( builder, min, max, busMax.x, 0.0f, busMin.z, 16.0f, 16.0f, busMax.z );
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}
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else if( side == EnumFacing.NORTH || side == EnumFacing.SOUTH )
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{
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if( facades.get( EnumFacing.UP ) != null )
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{
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max.y -= thickness;
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}
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if( facades.get( EnumFacing.DOWN ) != null )
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{
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min.y += thickness;
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}
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this.renderSegmentBlockCurrentBounds( builder, min, max, busMax.x, 0.0f, 0.0f, 16.0f, 16.0f, 16.0f );
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this.renderSegmentBlockCurrentBounds( builder, min, max, 0.0f, 0.0f, 0.0f, busMin.x, 16.0f, 16.0f );
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this.renderSegmentBlockCurrentBounds( builder, min, max, busMin.x, 0.0f, 0.0f, busMax.x, busMin.y, 16.0f );
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this.renderSegmentBlockCurrentBounds( builder, min, max, busMin.x, busMax.y, 0.0f, busMax.x, 16.0f, 16.0f );
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}
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else
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{
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if( facades.get( EnumFacing.UP ) != null )
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{
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max.y -= thickness;
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}
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if( facades.get( EnumFacing.DOWN ) != null )
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{
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min.y += thickness;
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}
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if( facades.get( EnumFacing.SOUTH ) != null )
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{
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max.z -= thickness;
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}
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if( facades.get( EnumFacing.NORTH ) != null )
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{
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min.z += thickness;
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}
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this.renderSegmentBlockCurrentBounds( builder, min, max, 0.0f, 0.0f, busMax.z, 16.0f, 16.0f, 16.0f );
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this.renderSegmentBlockCurrentBounds( builder, min, max, 0.0f, 0.0f, 0.0f, 16.0f, 16.0f, busMin.z );
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this.renderSegmentBlockCurrentBounds( builder, min, max, 0.0f, 0.0f, busMin.z, 16.0f, busMin.y, busMax.z );
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this.renderSegmentBlockCurrentBounds( builder, min, max, 0.0f, busMax.y, busMin.z, 16.0f, 16.0f, busMax.z );
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}
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}
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}
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private void renderSegmentBlockCurrentBounds( CubeBuilder builder, Vector3f min, Vector3f max,
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float minX, float minY, float minZ, float maxX, float maxY, float maxZ )
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{
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minX = Math.max( min.x, minX );
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minY = Math.max( min.y, minY );
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minZ = Math.max( min.z, minZ );
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maxX = Math.min( max.x, maxX );
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maxY = Math.min( max.y, maxY );
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maxZ = Math.min( max.z, maxZ );
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// don't draw it if its not at least a pixel wide...
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if( maxX - minX >= 1.0 && maxY - minY >= 1.0 && maxZ - minZ >= 1.0 )
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{
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builder.addCube( minX, minY, minZ, maxX, maxY, maxZ );
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}
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}
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/**
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* Given the actual facade bounding box, and the bounding boxes of all parts, determine the biggest union of AABB that intersect with the
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* facade's bounding box. This AABB will need to be "cut out" when the facade is rendered.
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*/
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@Nullable
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private static AEAxisAlignedBB getCutOutBox( AxisAlignedBB facadeBox, List<AxisAlignedBB> partBoxes )
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{
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AEAxisAlignedBB b = null;
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for( AxisAlignedBB bb : partBoxes )
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{
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if( bb.intersectsWith( facadeBox ) )
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{
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if( b == null )
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{
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b = AEAxisAlignedBB.fromBounds( bb );
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}
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else
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{
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b.maxX = Math.max( b.maxX, bb.maxX );
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b.maxY = Math.max( b.maxY, bb.maxY );
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b.maxZ = Math.max( b.maxZ, bb.maxZ );
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b.minX = Math.min( b.minX, bb.minX );
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b.minY = Math.min( b.minY, bb.minY );
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b.minZ = Math.min( b.minZ, bb.minZ );
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}
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}
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}
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return b;
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}
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/**
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* Determines if any of the part's bounding boxes intersects with the outside 2 voxel wide layer.
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* If so, we should use thinner facades (1 voxel deep).
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*/
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private static boolean isUseThinFacades( List<AxisAlignedBB> partBoxes )
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{
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final double min = 2.0 / 16.0;
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final double max = 14.0 / 16.0;
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for( AxisAlignedBB bb : partBoxes )
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{
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int o = 0;
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o += bb.maxX > max ? 1 : 0;
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o += bb.maxY > max ? 1 : 0;
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o += bb.maxZ > max ? 1 : 0;
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o += bb.minX < min ? 1 : 0;
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o += bb.minY < min ? 1 : 0;
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o += bb.minZ < min ? 1 : 0;
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if( o >= 2 )
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{
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return true;
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}
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}
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return false;
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}
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private static AxisAlignedBB getFacadeBox( EnumFacing side, boolean thinFacades )
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{
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int thickness = thinFacades ? 1 : 2;
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switch( side )
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{
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case DOWN:
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return new AxisAlignedBB( 0.0, 0.0, 0.0, 1.0, ( thickness ) / 16.0, 1.0 );
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case EAST:
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return new AxisAlignedBB( ( 16.0 - thickness ) / 16.0, 0.0, 0.0, 1.0, 1.0, 1.0 );
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case NORTH:
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return new AxisAlignedBB( 0.0, 0.0, 0.0, 1.0, 1.0, ( thickness ) / 16.0 );
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case SOUTH:
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return new AxisAlignedBB( 0.0, 0.0, ( 16.0 - thickness ) / 16.0, 1.0, 1.0, 1.0 );
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case UP:
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return new AxisAlignedBB( 0.0, ( 16.0 - thickness ) / 16.0, 0.0, 1.0, 1.0, 1.0 );
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case WEST:
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return new AxisAlignedBB( 0.0, 0.0, 0.0, ( thickness ) / 16.0, 1.0, 1.0 );
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default:
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throw new IllegalArgumentException( "Unsupported face: " + side );
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}
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}
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}
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