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package gregtech.common.render;
import cpw.mods.fml.relauncher.SideOnly;
import gregtech.api.enums.ItemList;
import gregtech.common.items.GT_FluidDisplayItem;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraftforge.client.IItemRenderer;
import net.minecraftforge.client.MinecraftForgeClient;
import org.lwjgl.opengl.GL11;
@SideOnly(cpw.mods.fml.relauncher.Side.CLIENT)
public class GT_FluidDisplayStackRenderer implements IItemRenderer {
private static final float smallTextScale = 0.5f;
public GT_FluidDisplayStackRenderer() {
MinecraftForgeClient.registerItemRenderer(ItemList.Display_Fluid.getItem(), this);
}
@Override
public boolean handleRenderType (ItemStack item, ItemRenderType type)
{
if(!item.hasTagCompound())
return false;
return type == ItemRenderType.INVENTORY;
}
@Override
public boolean shouldUseRenderHelper (ItemRenderType type, ItemStack item, ItemRendererHelper helper)
{
//not sure what this does.
return false;
}
@Override
public void renderItem (ItemRenderType type, ItemStack item, Object... data) {
if (item == null || item.getItem() == null || !(item.getItem() instanceof GT_FluidDisplayItem))
return;
Tessellator tess = Tessellator.instance;
GL11.glPushMatrix();
GL11.glDisable(GL11.GL_LIGHTING);
GL11.glEnable(GL11.GL_BLEND);
OpenGlHelper.glBlendFunc(770, 771, 1, 0);
int l = item.getItem().getColorFromItemStack(item, 0);
float f3 = (float)(l >> 16 & 255) / 255.0F;
float f4 = (float)(l >> 8 & 255) / 255.0F;
float f = (float)(l & 255) / 255.0F;
GL11.glColor4f(f3, f4, f, 1.0F);
GL11.glDisable(GL11.GL_LIGHTING);
GL11.glEnable(GL11.GL_BLEND);
GL11.glEnable(GL11.GL_ALPHA_TEST);
IIcon icon = item.getItem().getIconFromDamage(item.getItemDamage());
tess.startDrawingQuads();
// draw a simple rectangle for the inventory icon
final float x_min = icon.getMinU();
final float x_max = icon.getMaxU();
final float y_min = icon.getMinV();
final float y_max = icon.getMaxV();
tess.addVertexWithUV( 0, 16, 0, x_min, y_max);
tess.addVertexWithUV(16, 16, 0, x_max, y_max);
tess.addVertexWithUV(16, 0, 0, x_max, y_min);
tess.addVertexWithUV( 0, 0, 0, x_min, y_min);
tess.draw();
GL11.glEnable(GL11.GL_LIGHTING);
GL11.glDisable(GL11.GL_ALPHA_TEST);
GL11.glDisable(GL11.GL_BLEND);
GL11.glPopMatrix();
if(item.getTagCompound() == null)
return;
// Render Fluid amount text
long fluidAmount = item.getTagCompound().getLong("mFluidDisplayAmount");
if (fluidAmount > 0L) {
String amountString;
if (fluidAmount < 10000) {
amountString = "" + fluidAmount + "L";
} else {
int exp = (int) (Math.log(fluidAmount) / Math.log(1000));
double shortAmount = fluidAmount / Math.pow(1000, exp);
if ( shortAmount >= 100) {
amountString = String.format("%.0f%cL", shortAmount, "kMGT".charAt(exp - 1));
} else if ( shortAmount >= 10) {
amountString = String.format("%.1f%cL", shortAmount, "kMGT".charAt(exp - 1));
} else {
amountString = String.format("%.2f%cL", shortAmount, "kMGT".charAt(exp - 1));
}
}
FontRenderer fontRender = Minecraft.getMinecraft().fontRenderer;
GL11.glDisable(GL11.GL_LIGHTING);
GL11.glDisable(GL11.GL_DEPTH_TEST);
GL11.glDisable(GL11.GL_BLEND);
GL11.glScalef(smallTextScale, smallTextScale, smallTextScale); //TODO: how to make this pretty at all scales?
fontRender.drawString( amountString, 0, 16*2 - fontRender.FONT_HEIGHT + 1, 0xFFFFFF, true);
GL11.glEnable(GL11.GL_LIGHTING);
GL11.glEnable(GL11.GL_DEPTH_TEST);
}
}
}
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