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package gregtech.common.render.items;
import static gregtech.common.render.GT_RenderUtil.colorGTItem;
import net.minecraft.client.renderer.ItemRenderer;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraftforge.client.IItemRenderer;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
import com.gtnewhorizons.modularui.api.math.Pos2d;
import gregtech.api.enums.Textures;
import gregtech.common.render.GT_RenderUtil;
public class CosmicNeutroniumRenderer extends GT_GeneratedMaterial_Renderer {
// spotless:off
private static final Pos2d point0 = new Pos2d(0 - 10, 0 - 10);
private static final Pos2d point1 = new Pos2d(17 + 10, 0 - 10);
private static final Pos2d point2 = new Pos2d(17 + 10, 17 + 10);
private static final Pos2d point3 = new Pos2d(0 - 10, 17 + 10);
// spotless:on
private void drawHalo(ItemRenderType type) {
// Because when this class is instantiated, making this a static field will cause it to set to null.
final IIcon haloFuzzy = Textures.ItemIcons.HALO_FUZZY.getIcon();
if (haloFuzzy == null) {
return;
}
GL11.glPushMatrix();
// Ideally this magic haloColour number should scale depending on the # of transparent pixels,
// but I'm not sure how to determine this with OpenGL.
// This is from Avaritia code, but modified to untangle the interfaces.
int haloColour = 0x4DFFFFFF;
float ca = (float) (haloColour >> 24 & 255) / 255.0F;
float cr = (float) (0x99FFFFFF >> 16 & 255) / 255.0F;
float cg = (float) (0x99FFFFFF >> 8 & 255) / 255.0F;
float cb = (float) (0x99FFFFFF & 255) / 255.0F;
GL11.glColor4f(cr, cg, cb, ca);
// spotless:off
// For those following in my footsteps, this may be of use - Colen 25th dec 2022.
// http://greyminecraftcoder.blogspot.com/2013/08/the-tessellator.html
Tessellator t = Tessellator.instance;
if (type.equals(IItemRenderer.ItemRenderType.INVENTORY)) {
t.startDrawingQuads();
t.addVertexWithUV(point0.x, point0.y, 0, haloFuzzy.getMinU(), haloFuzzy.getMinV());
t.addVertexWithUV(point3.x, point3.y, 0, haloFuzzy.getMinU(), haloFuzzy.getMaxV());
t.addVertexWithUV(point2.x, point2.y, 0, haloFuzzy.getMaxU(), haloFuzzy.getMaxV());
t.addVertexWithUV(point1.x, point1.y, 0, haloFuzzy.getMaxU(), haloFuzzy.getMinV());
t.draw();
}
GL11.glPopMatrix();
}
@Override
public void renderRegularItem(ItemRenderType type, ItemStack item, IIcon icon, boolean shouldModulateColor) {
RenderItem r = RenderItem.getInstance();
GL11.glPushMatrix();
if (type.equals(IItemRenderer.ItemRenderType.INVENTORY)) {
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GL11.glDisable(GL11.GL_ALPHA_TEST);
GL11.glDisable(GL11.GL_DEPTH_TEST);
}
drawHalo(type);
//spotless:on
{
// Draw actual cosmic Nt item.
GL11.glPushMatrix();
colorGTItem(item);
if (type.equals(IItemRenderer.ItemRenderType.INVENTORY)) {
GT_RenderUtil.renderItemIcon(icon, 16.0D, 0.001D, 0.0F, 0.0F, -1.0F);
} else {
GL11.glEnable(GL11.GL_DEPTH_TEST);
ItemRenderer.renderItemIn2D(
Tessellator.instance,
icon.getMaxU(),
icon.getMinV(),
icon.getMinU(),
icon.getMaxV(),
icon.getIconWidth(),
icon.getIconHeight(),
0.0625F);
}
GL11.glPopMatrix();
}
// GL11.glEnable(GL11.GL_ALPHA_TEST);
GL11.glEnable(GL12.GL_RESCALE_NORMAL);
GL11.glEnable(GL11.GL_DEPTH_TEST);
r.renderWithColor = true;
GL11.glPopMatrix();
}
}
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