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package gregtech.common.render.items;
import static gregtech.api.enums.Mods.Avaritia;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.RenderHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
import org.lwjgl.opengl.GL20;
import codechicken.lib.render.TextureUtils;
import fox.spiteful.avaritia.render.CosmicRenderShenanigans;
import gregtech.api.enums.ItemList;
import gregtech.api.interfaces.IGT_ItemWithMaterialRenderer;
import gregtech.common.render.GT_RenderUtil;
@SuppressWarnings("RedundantLabeledSwitchRuleCodeBlock")
public class UniversiumRenderer extends GT_GeneratedMaterial_Renderer {
private static final float cosmicOpacity = 2.5f;
@Override
public boolean renderFluidDisplayItem(ItemRenderType type, ItemStack aStack, Object... data) {
Item item = aStack.getItem();
if (item == null) return false;
magicRenderMethod(
type,
ItemList.Emitter_UEV.get(1), // hack to make it render correctly
item.getIconFromDamage(aStack.getItemDamage()),
true,
data);
return true;
}
@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);
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GL11.glEnable(GL11.GL_ALPHA_TEST);
if (tIcon != null) {
markNeedsAnimationUpdate(tIcon);
magicRenderMethod(type, aStack, tIcon, false, data);
}
GL11.glDisable(GL11.GL_LIGHTING);
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 magicRenderMethod(ItemRenderType type, ItemStack aStack, IIcon tIcon, boolean fluidDisplay,
Object... data) {
if (!Avaritia.isModLoaded()) {
return;
}
RenderItem r = RenderItem.getInstance();
Minecraft mc = Minecraft.getMinecraft();
Tessellator t = Tessellator.instance;
float minU = tIcon.getMinU();
float maxU = tIcon.getMaxU();
float minV = tIcon.getMinV();
float maxV = tIcon.getMaxV();
processLightLevel(type, data);
GL11.glPushMatrix();
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
if (type == ItemRenderType.INVENTORY) {
RenderHelper.enableGUIStandardItemLighting();
GL11.glDisable(GL11.GL_ALPHA_TEST);
GL11.glDisable(GL11.GL_DEPTH_TEST);
if (fluidDisplay) {
// this somehow makes shader render correctly
ResourceLocation resourcelocation = mc.getTextureManager()
.getResourceLocation(aStack.getItemSpriteNumber());
mc.getTextureManager()
.bindTexture(resourcelocation);
} else {
GT_RenderUtil.renderItem(type, tIcon);
}
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
RenderHelper.enableGUIStandardItemLighting();
GL11.glDisable(GL11.GL_ALPHA_TEST);
GL11.glDisable(GL11.GL_DEPTH_TEST);
if (fluidDisplay) {
GL11.glDisable(GL11.GL_BLEND);
}
CosmicRenderShenanigans.cosmicOpacity = cosmicOpacity;
CosmicRenderShenanigans.inventoryRender = true;
CosmicRenderShenanigans.useShader();
GL11.glColor4d(1, 1, 1, 1);
// Draw cosmic overlay
GT_RenderUtil.renderItem(type, tIcon);
CosmicRenderShenanigans.releaseShader();
CosmicRenderShenanigans.inventoryRender = false;
GL11.glEnable(GL12.GL_RESCALE_NORMAL);
} else {
// RENDER ITEM
GT_RenderUtil.renderItem(type, tIcon);
int program = GL11.glGetInteger(GL20.GL_CURRENT_PROGRAM);
GL11.glDisable(GL11.GL_ALPHA_TEST);
GL11.glDepthFunc(GL11.GL_EQUAL);
CosmicRenderShenanigans.cosmicOpacity = cosmicOpacity;
CosmicRenderShenanigans.useShader();
// RENDER COSMIC OVERLAY
GT_RenderUtil.renderItem(type, tIcon);
CosmicRenderShenanigans.releaseShader();
GL11.glDepthFunc(GL11.GL_LEQUAL);
GL20.glUseProgram(program);
}
GL11.glEnable(GL11.GL_DEPTH_TEST);
GL11.glEnable(GL11.GL_ALPHA_TEST);
GL11.glDisable(GL11.GL_BLEND);
GL11.glPopMatrix();
}
private void processLightLevel(ItemRenderType type, Object... data) {
switch (type) {
case ENTITY -> {
EntityItem ent = (EntityItem) (data[1]);
if (ent != null) {
CosmicRenderShenanigans.setLightFromLocation(
ent.worldObj,
MathHelper.floor_double(ent.posX),
MathHelper.floor_double(ent.posY),
MathHelper.floor_double(ent.posZ));
}
}
case EQUIPPED, EQUIPPED_FIRST_PERSON -> {
EntityLivingBase ent = (EntityLivingBase) (data[1]);
if (ent != null) {
CosmicRenderShenanigans.setLightFromLocation(
ent.worldObj,
MathHelper.floor_double(ent.posX),
MathHelper.floor_double(ent.posY),
MathHelper.floor_double(ent.posZ));
}
}
case INVENTORY -> {
CosmicRenderShenanigans.setLightLevel(10.2f);
}
default -> {
CosmicRenderShenanigans.setLightLevel(1.0f);
}
}
}
}
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