Java tutorial
/* * This file is part of Applied Energistics 2. * Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved. * * Applied Energistics 2 is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Applied Energistics 2 is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>. */ package appeng.client.render; import java.util.HashMap; import java.util.Map; import javax.annotation.Nullable; import org.lwjgl.opengl.GL11; import net.minecraft.client.renderer.Tessellator; import net.minecraft.item.Item; import net.minecraft.item.ItemStack; import net.minecraftforge.client.IItemRenderer; import net.minecraftforge.common.util.ForgeDirection; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import appeng.api.parts.IAlphaPassItem; import appeng.api.parts.IFacadePart; import appeng.api.parts.IPart; import appeng.api.parts.IPartItem; import appeng.client.ClientHelper; import appeng.core.AEConfig; import appeng.core.features.AEFeature; import appeng.facade.IFacadeItem; import appeng.util.Platform; @SideOnly(Side.CLIENT) public class BusRenderer implements IItemRenderer { public static final BusRenderer INSTANCE = new BusRenderer(); private static final Map<Integer, IPart> RENDER_PART = new HashMap<Integer, IPart>(); private final RenderBlocksWorkaround renderer = new RenderBlocksWorkaround(); @Override public boolean handleRenderType(final ItemStack item, final ItemRenderType type) { return true; } @Override public boolean shouldUseRenderHelper(final ItemRenderType type, final ItemStack item, final ItemRendererHelper helper) { return true; } @Override public void renderItem(final ItemRenderType type, final ItemStack item, final Object... data) { if (item == null) { return; } GL11.glPushMatrix(); GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS); GL11.glEnable(GL11.GL_DEPTH_TEST); GL11.glEnable(GL11.GL_TEXTURE_2D); GL11.glEnable(GL11.GL_LIGHTING); if (AEConfig.instance.isFeatureEnabled(AEFeature.AlphaPass) && item.getItem() instanceof IAlphaPassItem && ((IAlphaPassItem) item.getItem()).useAlphaPass(item)) { GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA); GL11.glColor4f(1.0f, 1.0f, 1.0f, 1.0f); GL11.glDisable(GL11.GL_ALPHA_TEST); GL11.glEnable(GL11.GL_BLEND); } else { GL11.glAlphaFunc(GL11.GL_GREATER, 0.4f); GL11.glEnable(GL11.GL_ALPHA_TEST); GL11.glDisable(GL11.GL_BLEND); } if (type == ItemRenderType.EQUIPPED_FIRST_PERSON) { GL11.glTranslatef(-0.2f, -0.1f, -0.3f); } if (type == ItemRenderType.ENTITY) { GL11.glRotatef(90.0f, 0.0f, 1.0f, 0.0f); GL11.glScalef(0.8f, 0.8f, 0.8f); GL11.glTranslatef(-0.8f, -0.87f, -0.7f); } if (type == ItemRenderType.INVENTORY) { GL11.glTranslatef(0.0f, -0.1f, 0.0f); } GL11.glTranslated(0.2, 0.3, 0.1); GL11.glScaled(1.2, 1.2, 1.); GL11.glColor4f(1, 1, 1, 1); Tessellator.instance.setColorOpaque_F(1, 1, 1); Tessellator.instance.setBrightness(14 << 20 | 14 << 4); BusRenderHelper.INSTANCE.setBounds(0, 0, 0, 1, 1, 1); BusRenderHelper.INSTANCE.setTexture(null); BusRenderHelper.INSTANCE.setInvColor(0xffffff); this.getRenderer().blockAccess = ClientHelper.proxy.getWorld(); BusRenderHelper.INSTANCE.setOrientation(ForgeDirection.EAST, ForgeDirection.UP, ForgeDirection.SOUTH); this.getRenderer().uvRotateBottom = this.getRenderer().uvRotateEast = this .getRenderer().uvRotateNorth = this.getRenderer().uvRotateSouth = this .getRenderer().uvRotateTop = this.getRenderer().uvRotateWest = 0; this.getRenderer().useInventoryTint = false; this.getRenderer().overrideBlockTexture = null; if (item.getItem() instanceof IFacadeItem) { final IFacadeItem fi = (IFacadeItem) item.getItem(); final IFacadePart fp = fi.createPartFromItemStack(item, ForgeDirection.SOUTH); if (type == ItemRenderType.EQUIPPED_FIRST_PERSON) { GL11.glRotatef(160.0f, 0.0f, 1.0f, 0.0f); GL11.glTranslated(-0.4, 0.1, -1.6); } if (fp != null) { fp.renderInventory(BusRenderHelper.INSTANCE, this.getRenderer()); } } else { final IPart ip = this.getRenderer(item, (IPartItem) item.getItem()); if (ip != null) { if (type == ItemRenderType.ENTITY) { final int depth = ip.cableConnectionRenderTo(); GL11.glTranslatef(0.0f, 0.0f, -0.04f * (8 - depth) - 0.06f); } ip.renderInventory(BusRenderHelper.INSTANCE, this.getRenderer()); } } this.getRenderer().uvRotateBottom = this.getRenderer().uvRotateEast = this .getRenderer().uvRotateNorth = this.getRenderer().uvRotateSouth = this .getRenderer().uvRotateTop = this.getRenderer().uvRotateWest = 0; GL11.glPopAttrib(); GL11.glPopMatrix(); } @Nullable private IPart getRenderer(final ItemStack is, final IPartItem c) { final int id = (Item.getIdFromItem(is.getItem()) << Platform.DEF_OFFSET) | is.getItemDamage(); IPart part = RENDER_PART.get(id); if (part == null) { part = c.createPartFromItemStack(is); if (part != null) { RENDER_PART.put(id, part); } } return part; } public RenderBlocksWorkaround getRenderer() { return this.renderer; } }