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package gregtech.common.render.items;
import java.util.Random;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraftforge.fluids.FluidStack;
import org.lwjgl.opengl.GL11;
import codechicken.lib.render.TextureUtils;
import gregtech.api.enums.Textures;
import gregtech.api.interfaces.IGT_ItemWithMaterialRenderer;
import gregtech.api.util.GT_Utility;
public class InfinityRenderer extends GT_GeneratedMaterial_Renderer {
public Random rand = new Random();
@Override
public void renderItem(ItemRenderType type, ItemStack aStack, Object... data) {
short aMetaData = (short) aStack.getItemDamage();
if (!(aStack.getItem() instanceof IGT_ItemWithMaterialRenderer aItem)) return;
int passes = 1;
if (aItem.requiresMultipleRenderPasses()) {
passes = aItem.getRenderPasses(aMetaData);
}
for (int pass = 0; pass < passes; pass++) {
IIcon tIcon = aItem.getIcon(aMetaData, pass);
IIcon tOverlay = aItem.getOverlayIcon(aMetaData, pass);
FluidStack aFluid = GT_Utility.getFluidForFilledItem(aStack, true);
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GL11.glEnable(GL11.GL_ALPHA_TEST);
if (type == ItemRenderType.INVENTORY) {
if (pass == 0) {
renderHalo();
}
renderPulse(tOverlay, tIcon);
}
// Workaround for cell and comb:
// 1. BW capsule needs `renderContainedFluid` call as it doesn't have
// `materialicons/CUSTOM/infinity/capsuleMolten`
// 2. Without these 2 GL calls fluid texture leaks out of the cell / capsule
// 3. Comb texture doesn't like depth enabled
if (passes == 1) {
GL11.glEnable(GL11.GL_DEPTH_TEST);
}
GL11.glEnable(GL11.GL_ALPHA_TEST);
if (tIcon != null) {
markNeedsAnimationUpdate(tIcon);
renderRegularItem(type, aStack, tIcon, aFluid == null);
}
if (tOverlay != null && aFluid != null && aFluid.getFluid() != null) {
IIcon fluidIcon = aFluid.getFluid()
.getIcon(aFluid);
if (fluidIcon != null) {
markNeedsAnimationUpdate(fluidIcon);
// Adds colour to a cells fluid. Does not colour full fluid icons as shown in NEI etc.
renderContainedFluid(type, aFluid, fluidIcon);
}
}
if (tOverlay != null) {
GL11.glColor3f(1.0F, 1.0F, 1.0F);
TextureUtils.bindAtlas(aItem.getSpriteNumber());
markNeedsAnimationUpdate(tOverlay);
renderItemOverlay(type, tOverlay);
}
GL11.glDisable(GL11.GL_BLEND);
}
}
private void renderHalo() {
GL11.glPushMatrix();
IIcon halo = Textures.ItemIcons.HALO.getIcon();
int spread = 10;
int haloAlpha = 0xFF000000;
if (halo == null) {
return;
}
Tessellator t = Tessellator.instance;
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);
GL11.glColor4f(20 / 255.0f, 20 / 255.0f, 20 / 255.0f, (float) (haloAlpha >> 24 & 255) / 255.0F);
t.startDrawingQuads();
t.addVertexWithUV(-spread, -spread, 0, halo.getMinU(), halo.getMinV());
t.addVertexWithUV(-spread, 16 + spread, 0, halo.getMinU(), halo.getMaxV());
t.addVertexWithUV(16 + spread, 16 + spread, 0, halo.getMaxU(), halo.getMaxV());
t.addVertexWithUV(16 + spread, -spread, 0, halo.getMaxU(), halo.getMinV());
t.draw();
GL11.glPopMatrix();
}
private void renderPulse(IIcon... icons) {
Tessellator t = Tessellator.instance;
double random = rand.nextGaussian();
double scale = (random * 0.15) + 0.95;
double offset = (1.0 - scale) / 2.0;
for (IIcon icon : icons) {
if (icon == null) continue;
GL11.glPushMatrix();
GL11.glEnable(GL11.GL_BLEND);
GL11.glTranslated(offset * 16.0, offset * 16.0, 1.0);
GL11.glScaled(scale, scale, 1.0);
t.startDrawingQuads();
t.setColorRGBA_F(1.0f, 1.0f, 1.0f, 0.6f);
t.addVertexWithUV(0 - offset, 0 - offset, 0, icon.getMinU(), icon.getMinV());
t.addVertexWithUV(0 - offset, 16 + offset, 0, icon.getMinU(), icon.getMaxV());
t.addVertexWithUV(16 + offset, 16 + offset, 0, icon.getMaxU(), icon.getMaxV());
t.addVertexWithUV(16 + offset, 0 - offset, 0, icon.getMaxU(), icon.getMinV());
t.draw();
GL11.glPopMatrix();
}
}
}
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