RenderingEntityBlocks.java

package buildcraft.core.render;

import java.util.HashMap;

import net.minecraft.block.Block;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.world.IBlockAccess;

import org.lwjgl.opengl.GL11;

import buildcraft.BuildCraftCore;
import buildcraft.core.IInventoryRenderer;
import buildcraft.core.utils.Utils;
import cpw.mods.fml.client.registry.ISimpleBlockRenderingHandler;

public class RenderingEntityBlocks implements ISimpleBlockRenderingHandler {
	public static class EntityRenderIndex {

		public EntityRenderIndex(Block block, int damage) {
			this.block = block;
			this.damage = damage;
		}

		@Override
		public int hashCode() {
			return block.hashCode() + damage;
		}

		@Override
		public boolean equals(Object o) {
			if (!(o instanceof EntityRenderIndex))
				return false;

			EntityRenderIndex i = (EntityRenderIndex) o;

			return i.block == block && i.damage == damage;
		}

		Block block;
		int damage;
	}

	public static HashMap<EntityRenderIndex, IInventoryRenderer> blockByEntityRenders = new HashMap<EntityRenderIndex, IInventoryRenderer>();

	@Override
	public void renderInventoryBlock(Block block, int metadata, int modelID, RenderBlocks renderer) {

		if (block.getRenderType() == BuildCraftCore.blockByEntityModel) {

			EntityRenderIndex index = new EntityRenderIndex(block, metadata);
			if (blockByEntityRenders.containsKey(index)) {
				blockByEntityRenders.get(index).inventoryRender(-0.5, -0.5, -0.5, 0, 0);
			}

		} else if (block.getRenderType() == BuildCraftCore.legacyPipeModel) {
			Tessellator tessellator = Tessellator.instance;

			block.setBlockBounds(Utils.pipeMinPos, 0.0F, Utils.pipeMinPos, Utils.pipeMaxPos, 1.0F, Utils.pipeMaxPos);
			renderer.setRenderBoundsFromBlock(block);
			block.setBlockBoundsForItemRender();
			GL11.glTranslatef(-0.5F, -0.5F, -0.5F);
			tessellator.startDrawingQuads();
			tessellator.setNormal(0.0F, -1F, 0.0F);
			renderer.renderBottomFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(0, metadata));
			tessellator.draw();
			tessellator.startDrawingQuads();
			tessellator.setNormal(0.0F, 1.0F, 0.0F);
			renderer.renderTopFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(1, metadata));
			tessellator.draw();
			tessellator.startDrawingQuads();
			tessellator.setNormal(0.0F, 0.0F, -1F);
			renderer.renderEastFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(2, metadata));
			tessellator.draw();
			tessellator.startDrawingQuads();
			tessellator.setNormal(0.0F, 0.0F, 1.0F);
			renderer.renderWestFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(3, metadata));
			tessellator.draw();
			tessellator.startDrawingQuads();
			tessellator.setNormal(-1F, 0.0F, 0.0F);
			renderer.renderNorthFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(4, metadata));
			tessellator.draw();
			tessellator.startDrawingQuads();
			tessellator.setNormal(1.0F, 0.0F, 0.0F);
			renderer.renderSouthFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(5, metadata));
			tessellator.draw();
			GL11.glTranslatef(0.5F, 0.5F, 0.5F);
			block.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
		}
	}

	@Override
	public boolean renderWorldBlock(IBlockAccess world, int x, int y, int z, Block block, int modelId, RenderBlocks renderer) {

		if (block.getRenderType() == BuildCraftCore.blockByEntityModel) {
			// renderblocks.renderStandardBlock(block, i, j, k);

		} else if (block.getRenderType() == BuildCraftCore.legacyPipeModel) {
		    Minecraft.getMinecraft().renderEngine.bindTexture("/terrain.png");
			legacyPipeRender(renderer, world, x, y, z, block, modelId);

		}

		return true;
	}

	@Override
	public boolean shouldRender3DInInventory() {
		return true;
	}

	@Override
	public int getRenderId() {
		return BuildCraftCore.blockByEntityModel;
	}

	/* LEGACY PIPE RENDERING and quarry frames! */
	private void legacyPipeRender(RenderBlocks renderblocks, IBlockAccess iblockaccess, int i, int j, int k, Block block, int l) {
		float minSize = Utils.pipeMinPos;
		float maxSize = Utils.pipeMaxPos;

		block.setBlockBounds(minSize, minSize, minSize, maxSize, maxSize, maxSize);
		renderblocks.setRenderBoundsFromBlock(block);
		renderblocks.renderStandardBlock(block, i, j, k);

		if (Utils.checkLegacyPipesConnections(iblockaccess, i, j, k, i - 1, j, k)) {
			block.setBlockBounds(0.0F, minSize, minSize, minSize, maxSize, maxSize);
			renderblocks.setRenderBoundsFromBlock(block);
			renderblocks.renderStandardBlock(block, i, j, k);
		}

		if (Utils.checkLegacyPipesConnections(iblockaccess, i, j, k, i + 1, j, k)) {
			block.setBlockBounds(maxSize, minSize, minSize, 1.0F, maxSize, maxSize);
			renderblocks.setRenderBoundsFromBlock(block);
			renderblocks.renderStandardBlock(block, i, j, k);
		}

		if (Utils.checkLegacyPipesConnections(iblockaccess, i, j, k, i, j - 1, k)) {
			block.setBlockBounds(minSize, 0.0F, minSize, maxSize, minSize, maxSize);
			renderblocks.setRenderBoundsFromBlock(block);
			renderblocks.renderStandardBlock(block, i, j, k);
		}

		if (Utils.checkLegacyPipesConnections(iblockaccess, i, j, k, i, j + 1, k)) {
			block.setBlockBounds(minSize, maxSize, minSize, maxSize, 1.0F, maxSize);
			renderblocks.setRenderBoundsFromBlock(block);
			renderblocks.renderStandardBlock(block, i, j, k);
		}

		if (Utils.checkLegacyPipesConnections(iblockaccess, i, j, k, i, j, k - 1)) {
			block.setBlockBounds(minSize, minSize, 0.0F, maxSize, maxSize, minSize);
			renderblocks.setRenderBoundsFromBlock(block);
			renderblocks.renderStandardBlock(block, i, j, k);
		}

		if (Utils.checkLegacyPipesConnections(iblockaccess, i, j, k, i, j, k + 1)) {
			block.setBlockBounds(minSize, minSize, maxSize, maxSize, maxSize, 1.0F);
			renderblocks.setRenderBoundsFromBlock(block);
			renderblocks.renderStandardBlock(block, i, j, k);
		}

		block.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
	}

}