equivalent-exchange-3/src/main/java/com/pahimar/ee3/client/util/RenderUtils.java

97 lines
3.8 KiB
Java

package com.pahimar.ee3.client.util;
import cpw.mods.fml.client.FMLClientHandler;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
public class RenderUtils
{
public static void renderItemIntoGUI(FontRenderer fontRenderer, ItemStack itemStack, int x, int y, float opacity, float scale, int zLevel)
{
IIcon icon = itemStack.getIconIndex();
GL11.glDisable(GL11.GL_LIGHTING);
FMLClientHandler.instance().getClient().renderEngine.bindTexture(TextureMap.locationItemsTexture);
int overlayColour = itemStack.getItem().getColorFromItemStack(itemStack, 0);
float red = (overlayColour >> 16 & 255) / 255.0F;
float green = (overlayColour >> 8 & 255) / 255.0F;
float blue = (overlayColour & 255) / 255.0F;
GL11.glColor4f(red, green, blue, opacity);
Tessellator tessellator = Tessellator.instance;
tessellator.startDrawingQuads();
tessellator.addVertexWithUV(x, y + 16 * scale, zLevel, icon.getMinU(), icon.getMaxV());
tessellator.addVertexWithUV(x + 16 * scale, y + 16 * scale, zLevel, icon.getMaxU(), icon.getMaxV());
tessellator.addVertexWithUV(x + 16 * scale, y, zLevel, icon.getMaxU(), icon.getMinV());
tessellator.addVertexWithUV(x, y, zLevel, icon.getMinU(), icon.getMinV());
tessellator.draw();
GL11.glEnable(GL11.GL_LIGHTING);
}
public static void renderQuad(ResourceLocation texture)
{
FMLClientHandler.instance().getClient().renderEngine.bindTexture(texture);
Tessellator tessellator = Tessellator.instance;
GL11.glEnable(GL12.GL_RESCALE_NORMAL);
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GL11.glColor4f(1, 1, 1, 1);
tessellator.startDrawingQuads();
tessellator.addVertexWithUV(-0.5D, 0.5D, 0F, 0, 1);
tessellator.addVertexWithUV(0.5D, 0.5D, 0F, 1, 1);
tessellator.addVertexWithUV(0.5D, -0.5D, 0F, 1, 0);
tessellator.addVertexWithUV(-0.5D, -0.5D, 0F, 0, 0);
tessellator.draw();
GL11.glDisable(GL11.GL_BLEND);
GL11.glDisable(GL12.GL_RESCALE_NORMAL);
}
public static void renderPulsingQuad(ResourceLocation texture, float maxTransparency)
{
float pulseTransparency = getPulseValue() * maxTransparency / 3000f;
FMLClientHandler.instance().getClient().renderEngine.bindTexture(texture);
Tessellator tessellator = Tessellator.instance;
GL11.glEnable(GL12.GL_RESCALE_NORMAL);
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GL11.glColor4f(1, 1, 1, pulseTransparency);
tessellator.startDrawingQuads();
tessellator.setColorRGBA_F(1, 1, 1, pulseTransparency);
tessellator.addVertexWithUV(-0.5D, 0.5D, 0F, 0, 1);
tessellator.addVertexWithUV(0.5D, 0.5D, 0F, 1, 1);
tessellator.addVertexWithUV(0.5D, -0.5D, 0F, 1, 0);
tessellator.addVertexWithUV(-0.5D, -0.5D, 0F, 0, 0);
tessellator.draw();
GL11.glDisable(GL11.GL_BLEND);
GL11.glDisable(GL12.GL_RESCALE_NORMAL);
}
private static int getPulseValue()
{
if (doInc)
{
pulse += 50;
}
else
{
pulse -= 50;
}
if (pulse == 3000)
{
doInc = false;
}
if (pulse == 0)
{
doInc = true;
}
return pulse;
}
private static int pulse = 0;
private static boolean doInc = true;
}