108 lines
2.8 KiB
Java
108 lines
2.8 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.model;
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import java.util.EnumMap;
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import java.util.List;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.Lists;
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import net.minecraft.util.EnumFacing;
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import net.minecraft.util.math.Vec3d;
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final class RenderHelper
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{
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private static EnumMap<EnumFacing, List<Vec3d>> cornersForFacing = generateCornersForFacings();
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private RenderHelper() {
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}
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static List<Vec3d> getFaceCorners( EnumFacing side )
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{
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return cornersForFacing.get( side );
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}
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private static EnumMap<EnumFacing, List<Vec3d>> generateCornersForFacings()
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{
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EnumMap<EnumFacing, List<Vec3d>> result = new EnumMap<>( EnumFacing.class );
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for( EnumFacing facing : EnumFacing.values() )
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{
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List<Vec3d> corners;
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float offset = ( facing.getAxisDirection() == EnumFacing.AxisDirection.NEGATIVE ) ? 0 : 1;
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switch( facing.getAxis() )
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{
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default:
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case X:
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corners = Lists.newArrayList(
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new Vec3d( offset, 1, 1 ),
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new Vec3d( offset, 0, 1 ),
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new Vec3d( offset, 0, 0 ),
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new Vec3d( offset, 1, 0 )
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);
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break;
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case Y:
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corners = Lists.newArrayList(
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new Vec3d( 1, offset, 1 ),
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new Vec3d( 1, offset, 0 ),
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new Vec3d( 0, offset, 0 ),
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new Vec3d( 0, offset, 1 )
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);
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break;
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case Z:
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corners = Lists.newArrayList(
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new Vec3d( 0, 1, offset ),
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new Vec3d( 0, 0, offset ),
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new Vec3d( 1, 0, offset ),
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new Vec3d( 1, 1, offset )
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);
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break;
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}
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if (facing.getAxisDirection() == EnumFacing.AxisDirection.NEGATIVE) {
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corners = Lists.reverse( corners );
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}
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result.put( facing, ImmutableList.copyOf( corners ) );
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}
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return result;
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}
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private static Vec3d adjust( Vec3d vec, EnumFacing.Axis axis, double delta )
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{
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switch( axis )
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{
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default:
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case X:
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return new Vec3d( vec.xCoord + delta, vec.yCoord, vec.zCoord );
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case Y:
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return new Vec3d( vec.xCoord, vec.yCoord + delta, vec.zCoord );
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case Z:
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return new Vec3d( vec.xCoord, vec.yCoord, vec.zCoord + delta );
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}
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}
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}
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