Applied-Energistics-2-tilera-Edition/src/main/java/appeng/client/render/blocks/RenderBlockPaint.java

package appeng.client.render.blocks;

import java.util.EnumSet;

import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraft.world.IBlockAccess;
import net.minecraftforge.client.IItemRenderer.ItemRenderType;
import net.minecraftforge.common.util.ForgeDirection;
import appeng.block.AEBaseBlock;
import appeng.client.render.BaseBlockRender;
import appeng.client.texture.ExtraBlockTextures;
import appeng.helpers.Splot;
import appeng.tile.misc.TilePaint;

public class RenderBlockPaint extends BaseBlockRender
{

	public RenderBlockPaint() {
		super( false, 0 );
	}

	@Override
	public void renderInventory(AEBaseBlock block, ItemStack is, RenderBlocks renderer, ItemRenderType type, Object[] obj)
	{

	}

	@Override
	public boolean renderInWorld(AEBaseBlock imb, IBlockAccess world, int x, int y, int z, RenderBlocks renderer)
	{
		TilePaint tp = imb.getTileEntity( world, x, y, z );
		boolean out = false;
		if ( tp != null )
		{
			// super.renderInWorld( imb, world, x, y, z, renderer );

			IIcon icoSet[] = new IIcon[] { imb.getIcon( 0, 0 ), ExtraBlockTextures.BlockPaint2.getIcon(), ExtraBlockTextures.BlockPaint3.getIcon() };

			Tessellator tess = Tessellator.instance;

			int lumen = 14 << 20 | 14 << 4;
			int worldb = imb.getMixedBrightnessForBlock( world, x, y, z );

			double offoff = 0.001;

			EnumSet<ForgeDirection> validSides = EnumSet.noneOf( ForgeDirection.class );

			for (ForgeDirection side : ForgeDirection.VALID_DIRECTIONS)
			{
				if ( tp.isSideValid( side ) )
					validSides.add( side );
			}

			for (Splot s : tp.getDots())
			{
				if ( !validSides.contains( s.side ) )
					continue;

				if ( s.lumen )
				{
					tess.setColorOpaque_I( s.color.whiteVariant );
					tess.setBrightness( lumen );
				}
				else
				{
					tess.setColorOpaque_I( s.color.mediumVariant );
					tess.setBrightness( worldb );
				}

				double offset = offoff;
				offoff += 0.001;

				double H = 0.1;

				double pos_x = s.x();
				double pos_y = s.y();

				pos_x = Math.max( H, Math.min( 1.0 - H, pos_x ) );
				pos_y = Math.max( H, Math.min( 1.0 - H, pos_y ) );

				if ( s.side == ForgeDirection.SOUTH || s.side == ForgeDirection.NORTH )
				{
					pos_x += x;
					pos_y += y;
				}

				else if ( s.side == ForgeDirection.UP || s.side == ForgeDirection.DOWN )
				{
					pos_x += x;
					pos_y += z;
				}

				else
				{
					pos_x += y;
					pos_y += z;
				}

				IIcon ico = icoSet[s.getSeed() % icoSet.length];

				switch (s.side)
				{
				case UP:
					offset = 1.0 - offset;
					tess.addVertexWithUV( pos_x - H, y + offset, pos_y - H, ico.getMinU(), ico.getMinV() );
					tess.addVertexWithUV( pos_x + H, y + offset, pos_y - H, ico.getMaxU(), ico.getMinV() );
					tess.addVertexWithUV( pos_x + H, y + offset, pos_y + H, ico.getMaxU(), ico.getMaxV() );
					tess.addVertexWithUV( pos_x - H, y + offset, pos_y + H, ico.getMinU(), ico.getMaxV() );
					break;

				case DOWN:
					tess.addVertexWithUV( pos_x + H, y + offset, pos_y - H, ico.getMinU(), ico.getMinV() );
					tess.addVertexWithUV( pos_x - H, y + offset, pos_y - H, ico.getMaxU(), ico.getMinV() );
					tess.addVertexWithUV( pos_x - H, y + offset, pos_y + H, ico.getMaxU(), ico.getMaxV() );
					tess.addVertexWithUV( pos_x + H, y + offset, pos_y + H, ico.getMinU(), ico.getMaxV() );
					break;

				case EAST:
					offset = 1.0 - offset;
					tess.addVertexWithUV( x + offset, pos_x + H, pos_y - H, ico.getMinU(), ico.getMinV() );
					tess.addVertexWithUV( x + offset, pos_x - H, pos_y - H, ico.getMaxU(), ico.getMinV() );
					tess.addVertexWithUV( x + offset, pos_x - H, pos_y + H, ico.getMaxU(), ico.getMaxV() );
					tess.addVertexWithUV( x + offset, pos_x + H, pos_y + H, ico.getMinU(), ico.getMaxV() );
					break;

				case WEST:
					tess.addVertexWithUV( x + offset, pos_x - H, pos_y - H, ico.getMinU(), ico.getMinV() );
					tess.addVertexWithUV( x + offset, pos_x + H, pos_y - H, ico.getMaxU(), ico.getMinV() );
					tess.addVertexWithUV( x + offset, pos_x + H, pos_y + H, ico.getMaxU(), ico.getMaxV() );
					tess.addVertexWithUV( x + offset, pos_x - H, pos_y + H, ico.getMinU(), ico.getMaxV() );
					break;

				case SOUTH:
					offset = 1.0 - offset;
					tess.addVertexWithUV( pos_x + H, pos_y - H, z + offset, ico.getMinU(), ico.getMinV() );
					tess.addVertexWithUV( pos_x - H, pos_y - H, z + offset, ico.getMaxU(), ico.getMinV() );
					tess.addVertexWithUV( pos_x - H, pos_y + H, z + offset, ico.getMaxU(), ico.getMaxV() );
					tess.addVertexWithUV( pos_x + H, pos_y + H, z + offset, ico.getMinU(), ico.getMaxV() );
					break;

				case NORTH:
					tess.addVertexWithUV( pos_x - H, pos_y - H, z + offset, ico.getMinU(), ico.getMinV() );
					tess.addVertexWithUV( pos_x + H, pos_y - H, z + offset, ico.getMaxU(), ico.getMinV() );
					tess.addVertexWithUV( pos_x + H, pos_y + H, z + offset, ico.getMaxU(), ico.getMaxV() );
					tess.addVertexWithUV( pos_x - H, pos_y + H, z + offset, ico.getMinU(), ico.getMaxV() );
					break;

				default:
				}
			}

			out = true;
		}

		return out;
	}
}