zeng-git
202 lines
8.0 KiB
Java
202 lines
8.0 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 appeng.api.storage.data.IAEFluidStack;
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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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import net.minecraft.client.Minecraft;
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import net.minecraft.client.gui.FontRenderer;
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import net.minecraft.client.renderer.*;
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import net.minecraft.client.renderer.texture.TextureAtlasSprite;
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import net.minecraft.client.renderer.texture.TextureMap;
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import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
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import net.minecraft.item.ItemStack;
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import net.minecraft.util.EnumFacing;
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import net.minecraftforge.fluids.FluidStack;
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import org.lwjgl.opengl.GL11;
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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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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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GlStateManager.translate(face.getXOffset() * 0.50, face.getYOffset() * 0.50, face.getZOffset() * 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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switch (face) {
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case UP:
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GlStateManager.scale(1.0f, -1.0f, 1.0f);
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GlStateManager.rotate(90.0f, 1.0f, 0.0f, 0.0f);
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GlStateManager.rotate(spin * 90.0F, 0, 0, 1);
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break;
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case DOWN:
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GlStateManager.scale(1.0f, -1.0f, 1.0f);
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GlStateManager.rotate(-90.0f, 1.0f, 0.0f, 0.0f);
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GlStateManager.rotate(spin * -90.0F, 0, 0, 1);
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break;
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case EAST:
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GlStateManager.scale(-1.0f, -1.0f, -1.0f);
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GlStateManager.rotate(-90.0f, 0.0f, 1.0f, 0.0f);
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break;
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case WEST:
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GlStateManager.scale(-1.0f, -1.0f, -1.0f);
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GlStateManager.rotate(90.0f, 0.0f, 1.0f, 0.0f);
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break;
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case NORTH:
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GlStateManager.scale(-1.0f, -1.0f, -1.0f);
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break;
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case SOUTH:
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GlStateManager.scale(-1.0f, -1.0f, -1.0f);
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GlStateManager.rotate(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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if (!itemStack.isEmpty()) {
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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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public static void renderFluid2d(FluidStack fluidStack, float scale) {
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if (fluidStack != null) {
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GlStateManager.pushMatrix();
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int color = fluidStack.getFluid().getColor(fluidStack);
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float r = (color >> 16 & 255) / 255.0f;
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float g = (color >> 8 & 255) / 255.0f;
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float b = (color & 255) / 255.0f;
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TextureAtlasSprite sprite = Minecraft.getMinecraft().getTextureMapBlocks().getAtlasSprite(fluidStack.getFluid().getStill(fluidStack).toString());
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GlStateManager.enableBlend();
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GlStateManager.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA);
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GlStateManager.disableAlpha();
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GlStateManager.disableLighting();
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Minecraft.getMinecraft().getTextureManager().bindTexture(TextureMap.LOCATION_BLOCKS_TEXTURE);
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Tessellator tess = Tessellator.getInstance();
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BufferBuilder buf = tess.getBuffer();
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float width = 0.4f;
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float height = 0.4f;
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float alpha = 1.0f;
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float z = 0.0001f;
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float x = -0.20f;
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float y = -0.25f;
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buf.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX_COLOR);
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double uMin = sprite.getInterpolatedU(16D - width * 16D), uMax = sprite.getInterpolatedU(width * 16D);
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double vMin = sprite.getMinV(), vMax = sprite.getInterpolatedV(height * 16D);
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buf.pos(x, y, z).tex(uMin, vMin).color(r, g, b, alpha).endVertex();
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buf.pos(x, y + height, z).tex(uMin, vMax).color(r, g, b, alpha).endVertex();
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buf.pos(x + width, y + height, z).tex(uMax, vMax).color(r, g, b, alpha).endVertex();
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buf.pos(x + width, y, z).tex(uMax, vMin).color(r, g, b, alpha).endVertex();
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tess.draw();
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GlStateManager.enableLighting();
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GlStateManager.enableAlpha();
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GlStateManager.disableBlend();
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GlStateManager.color(1F, 1F, 1F, 1F);
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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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final ItemStack renderStack = itemStack.asItemStackRepresentation();
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TesrRenderHelper.renderItem2d(renderStack, 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().fontRenderer;
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final int width = fr.getStringWidth(renderedStackSize);
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GlStateManager.translate(0.0f, spacing, 0);
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GlStateManager.scale(1.0f / 62.0f, 1.0f / 62.0f, 1.0f / 62.0f);
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GlStateManager.translate(-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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public static void renderFluid2dWithAmount(IAEFluidStack fluidStack, float scale, float spacing) {
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final FluidStack renderStack = fluidStack.getFluidStack();
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TesrRenderHelper.renderFluid2d(renderStack, scale);
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final long stackSize = fluidStack.getStackSize() / 1000;
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final String renderedStackSize = NUMBER_CONVERTER.toWideReadableForm(stackSize) + "B";
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// Render the item count
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final FontRenderer fr = Minecraft.getMinecraft().fontRenderer;
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final int width = fr.getStringWidth(renderedStackSize);
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GlStateManager.translate(0.0f, spacing, 0);
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GlStateManager.scale(1.0f / 62.0f, 1.0f / 62.0f, 1.0f / 62.0f);
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GlStateManager.translate(-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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