Java tutorial
/** * Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team * http://www.mod-buildcraft.com * * BuildCraft is distributed under the terms of the Minecraft Mod Public * License 1.0, or MMPL. Please check the contents of the license located in * http://www.mod-buildcraft.com/MMPL-1.0.txt */ package buildcraft.transport.render; import org.lwjgl.opengl.GL11; import net.minecraft.block.Block; import net.minecraft.client.renderer.RenderBlocks; import net.minecraft.client.renderer.Tessellator; import net.minecraft.item.ItemStack; import net.minecraft.util.IIcon; import net.minecraftforge.client.IItemRenderer; import buildcraft.BuildCraftTransport; import buildcraft.transport.PipeIconProvider; public class PlugItemRenderer implements IItemRenderer { private void renderPlugItem(RenderBlocks render, ItemStack item, float translateX, float translateY, float translateZ) { // Render StructurePipe Block block = BuildCraftTransport.genericPipeBlock; Tessellator tessellator = Tessellator.instance; block = BuildCraftTransport.genericPipeBlock; IIcon textureID = BuildCraftTransport.instance.pipeIconProvider .getIcon(PipeIconProvider.TYPE.PipeStructureCobblestone.ordinal()); // Structure pipe block.setBlockBounds(0.25F, 0.25F, 0.25F, 0.75F, 0.375F, 0.75F); block.setBlockBoundsForItemRender(); render.setRenderBoundsFromBlock(block); GL11.glTranslatef(translateX, translateY, translateZ + 0.25F); tessellator.startDrawingQuads(); tessellator.setNormal(0.0F, -0F, 0.0F); render.renderFaceYNeg(block, 0.0D, 0.0D, 0.0D, textureID); tessellator.draw(); tessellator.startDrawingQuads(); tessellator.setNormal(0.0F, 1.0F, 0.0F); render.renderFaceYPos(block, 0.0D, 0.0D, 0.0D, textureID); tessellator.draw(); tessellator.startDrawingQuads(); tessellator.setNormal(0.0F, 0.0F, -1F); render.renderFaceZNeg(block, 0.0D, 0.0D, 0.0D, textureID); tessellator.draw(); tessellator.startDrawingQuads(); tessellator.setNormal(0.0F, 0.0F, 1.0F); render.renderFaceZPos(block, 0.0D, 0.0D, 0.0D, textureID); tessellator.draw(); tessellator.startDrawingQuads(); tessellator.setNormal(-1F, 0.0F, 0.0F); render.renderFaceXNeg(block, 0.0D, 0.0D, 0.0D, textureID); tessellator.draw(); tessellator.startDrawingQuads(); tessellator.setNormal(1.0F, 0.0F, 0.0F); render.renderFaceXPos(block, 0.0D, 0.0D, 0.0D, textureID); tessellator.draw(); } @Override public boolean handleRenderType(ItemStack item, ItemRenderType type) { switch (type) { case ENTITY: return true; case EQUIPPED: return true; case EQUIPPED_FIRST_PERSON: return true; case INVENTORY: return true; default: return false; } } @Override public boolean shouldUseRenderHelper(ItemRenderType type, ItemStack item, ItemRendererHelper helper) { return helper != ItemRendererHelper.BLOCK_3D; } @Override public void renderItem(ItemRenderType type, ItemStack item, Object... data) { switch (type) { case ENTITY: GL11.glScalef(0.50F, 0.50F, 0.50F); renderPlugItem((RenderBlocks) data[0], item, -0.6F, 0f, -0.6F); break; case EQUIPPED: case EQUIPPED_FIRST_PERSON: GL11.glRotatef(70, 0, 0, 1F); GL11.glRotatef(-55, 1, 0, 0); GL11.glScalef(2F, 2F, 2F); GL11.glTranslatef(0, -0.6F, -0.4F); renderPlugItem((RenderBlocks) data[0], item, 0F, 0F, 0f); break; case INVENTORY: GL11.glScalef(1.1F, 1.1F, 1.1F); renderPlugItem((RenderBlocks) data[0], item, -0.3f, -0.35f, -0.7f); break; default: } } }