148 lines
4.4 KiB
Java
148 lines
4.4 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
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*
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* Applied Energistics 2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Applied Energistics 2 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
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*/
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package appeng.client.render;
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import org.lwjgl.opengl.GL11;
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import net.minecraft.client.Minecraft;
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import net.minecraft.client.gui.FontRenderer;
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import net.minecraft.client.renderer.GlStateManager;
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import net.minecraft.client.renderer.OpenGlHelper;
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import net.minecraft.client.renderer.RenderItem;
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import net.minecraft.item.ItemStack;
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import net.minecraft.util.EnumFacing;
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import appeng.api.storage.data.IAEItemStack;
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import appeng.util.IWideReadableNumberConverter;
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import appeng.util.ReadableNumberConverter;
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/**
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* Helper methods for rendering TESRs.
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*/
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public class TesrRenderHelper
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{
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private static final IWideReadableNumberConverter NUMBER_CONVERTER = ReadableNumberConverter.INSTANCE;
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/**
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* Move the current coordinate system to the center of the given block face, assuming that the origin is currently
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* at the center of a block.
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*/
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public static void moveToFace( EnumFacing face )
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{
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GL11.glTranslated( face.getFrontOffsetX() * 0.50, face.getFrontOffsetY() * 0.50, face.getFrontOffsetZ() * 0.50 );
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}
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/**
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* Rotate the current coordinate system so it is on the face of the given block side. This can be used to render on
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* the given face as if it was
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* a 2D canvas.
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*/
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public static void rotateToFace( EnumFacing face, byte spin )
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{
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switch( face )
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{
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case UP:
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GL11.glScalef( 1.0f, -1.0f, 1.0f );
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GL11.glRotatef( 90.0f, 1.0f, 0.0f, 0.0f );
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GL11.glRotatef( spin * 90.0F, 0, 0, 1 );
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break;
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case DOWN:
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GL11.glScalef( 1.0f, -1.0f, 1.0f );
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GL11.glRotatef( -90.0f, 1.0f, 0.0f, 0.0f );
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GL11.glRotatef( spin * -90.0F, 0, 0, 1 );
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break;
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case EAST:
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GL11.glScalef( -1.0f, -1.0f, -1.0f );
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GL11.glRotatef( -90.0f, 0.0f, 1.0f, 0.0f );
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break;
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case WEST:
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GL11.glScalef( -1.0f, -1.0f, -1.0f );
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GL11.glRotatef( 90.0f, 0.0f, 1.0f, 0.0f );
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break;
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case NORTH:
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GL11.glScalef( -1.0f, -1.0f, -1.0f );
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break;
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case SOUTH:
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GL11.glScalef( -1.0f, -1.0f, -1.0f );
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GL11.glRotatef( 180.0f, 0.0f, 1.0f, 0.0f );
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break;
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default:
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break;
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}
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}
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/**
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* Render an item in 2D.
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*/
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public static void renderItem2d( ItemStack itemStack, float scale )
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{
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if( itemStack != null )
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{
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OpenGlHelper.setLightmapTextureCoords( OpenGlHelper.lightmapTexUnit, 240.f, 240.0f );
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GlStateManager.pushMatrix();
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// The Z-scaling by 0.0001 causes the model to be visually "flattened"
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// This cannot replace a proper projection, but it's cheap and gives the desired
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// effect at least from head-on
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GlStateManager.scale( scale / 32.0f, scale / 32.0f, 0.0001f );
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// Position the item icon at the top middle of the panel
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GlStateManager.translate( -8, -11, 0 );
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RenderItem renderItem = Minecraft.getMinecraft().getRenderItem();
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renderItem.renderItemAndEffectIntoGUI( itemStack, 0, 0 );
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GlStateManager.popMatrix();
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}
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}
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/**
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* Render an item in 2D and the given text below it.
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*
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* @param spacing Specifies how far apart the item and the item stack amount are rendered.
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*/
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public static void renderItem2dWithAmount( IAEItemStack itemStack, float itemScale, float spacing )
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{
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TesrRenderHelper.renderItem2d( itemStack.getItemStack(), itemScale );
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final long stackSize = itemStack.getStackSize();
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final String renderedStackSize = NUMBER_CONVERTER.toWideReadableForm( stackSize );
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// Render the item count
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final FontRenderer fr = Minecraft.getMinecraft().fontRendererObj;
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final int width = fr.getStringWidth( renderedStackSize );
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GL11.glTranslatef( 0.0f, spacing, 0 );
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GL11.glScalef( 1.0f / 62.0f, 1.0f / 62.0f, 1.0f / 62.0f );
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GL11.glTranslatef( -0.5f * width, 0.0f, 0.5f );
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fr.drawString( renderedStackSize, 0, 0, 0 );
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}
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}
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