Java tutorial
/** * Copyright (c) 2011-2015, 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.core.render; import org.lwjgl.opengl.GL11; import net.minecraft.client.renderer.entity.RenderItem; import net.minecraft.client.renderer.entity.RenderManager; import net.minecraft.entity.item.EntityItem; import net.minecraft.tileentity.TileEntity; import buildcraft.core.StackAtPosition; import buildcraft.core.builders.BuildingItem; import buildcraft.core.builders.IBuildingItemsProvider; public class RenderBuildingItems { private final EntityItem dummyEntityItem = new EntityItem(null); private final RenderItem customRenderItem; public RenderBuildingItems() { customRenderItem = new RenderItem() { @Override public boolean shouldBob() { return false; } @Override public boolean shouldSpreadItems() { return false; } }; customRenderItem.setRenderManager(RenderManager.instance); } public void render(TileEntity tile, double x, double y, double z) { IBuildingItemsProvider provider = (IBuildingItemsProvider) tile; GL11.glPushMatrix(); GL11.glTranslated(x, y, z); GL11.glTranslated(-tile.xCoord, -tile.yCoord, -tile.zCoord); if (provider.getBuilders() != null) { for (BuildingItem i : provider.getBuilders()) { doRenderItem(i, 1.0F); } } GL11.glPopMatrix(); } private void doRenderItem(BuildingItem i, float light) { if (i == null) { return; } i.displayUpdate(); for (StackAtPosition s : i.getStacks()) { if (s.display) { float renderScale = 0.7f; GL11.glPushMatrix(); GL11.glTranslatef((float) s.pos.x, (float) s.pos.y, (float) s.pos.z); GL11.glTranslatef(0, 0.25F, 0); GL11.glScalef(renderScale, renderScale, renderScale); dummyEntityItem.setEntityItemStack(s.stack); customRenderItem.doRender(dummyEntityItem, 0, 0, 0, 0, 0); GL11.glPopMatrix(); } } } }