38 lines
1.7 KiB
Java
38 lines
1.7 KiB
Java
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package com.pahimar.ee3.client.util;
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import cpw.mods.fml.client.FMLClientHandler;
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import net.minecraft.client.gui.FontRenderer;
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import net.minecraft.client.renderer.Tessellator;
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import net.minecraft.client.renderer.texture.TextureMap;
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import net.minecraft.item.ItemStack;
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import net.minecraft.util.IIcon;
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import org.lwjgl.opengl.GL11;
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public class RenderUtils
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{
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public static void renderItemIntoGUI(FontRenderer fontRenderer, ItemStack itemStack, int x, int y, float opacity, float scale)
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{
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IIcon icon = itemStack.getIconIndex();
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GL11.glDisable(GL11.GL_LIGHTING);
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FMLClientHandler.instance().getClient().renderEngine.bindTexture(TextureMap.locationItemsTexture);
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int overlayColour = itemStack.getItem().getColorFromItemStack(itemStack, 0);
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float red = (overlayColour >> 16 & 255) / 255.0F;
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float green = (overlayColour >> 8 & 255) / 255.0F;
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float blue = (overlayColour & 255) / 255.0F;
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GL11.glColor4f(red, green, blue, opacity);
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drawTexturedQuad(x, y, icon, 16 * scale, 16 * scale, -90);
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GL11.glEnable(GL11.GL_LIGHTING);
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}
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public static void drawTexturedQuad(int x, int y, IIcon icon, float width, float height, double zLevel)
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{
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Tessellator tessellator = Tessellator.instance;
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tessellator.startDrawingQuads();
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tessellator.addVertexWithUV(x, y + height, zLevel, icon.getMinU(), icon.getMaxV());
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tessellator.addVertexWithUV(x + width, y + height, zLevel, icon.getMaxU(), icon.getMaxV());
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tessellator.addVertexWithUV(x + width, y, zLevel, icon.getMaxU(), icon.getMinV());
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tessellator.addVertexWithUV(x, y, zLevel, icon.getMinU(), icon.getMinV());
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tessellator.draw();
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}
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}
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