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package gregtech.common.render.items;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.ItemRenderer;
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.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 codechicken.lib.render.TextureUtils;
import gregtech.api.GregTech_API;
import gregtech.api.enums.ItemList;
import gregtech.api.interfaces.IGT_ItemWithMaterialRenderer;
import singulariteam.eternalsingularity.render.CosmicRenderStuffs;
@SuppressWarnings("RedundantLabeledSwitchRuleCodeBlock")
public class UniversiumRenderer extends GT_GeneratedMaterial_Renderer {
private static final float cosmicOpacity = 2.5f;
@Override
public boolean shouldUseRenderHelper(ItemRenderType type, ItemStack item, ItemRendererHelper helper) {
return helper == ItemRendererHelper.ENTITY_ROTATION || helper == ItemRendererHelper.ENTITY_BOBBING;
}
@Override
public boolean renderFluidDisplayItem(ItemRenderType type, ItemStack aStack, Object... data) {
magicRenderMethod(
type,
ItemList.Emitter_UEV.get(1), // hack to make it render correctly
aStack.getItem()
.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 (!GregTech_API.mEternalSingularity) return;
RenderItem r = RenderItem.getInstance();
Minecraft mc = Minecraft.getMinecraft();
Tessellator t = Tessellator.instance;
processLightLevel(type, data);
switch (type) {
case ENTITY -> {
GL11.glPushMatrix();
if (aStack.isOnItemFrame()) GL11.glTranslatef(0F, -0.3F, 0.01F);
render(tIcon);
GL11.glPopMatrix();
}
case EQUIPPED, EQUIPPED_FIRST_PERSON -> {
render(tIcon);
}
case INVENTORY -> {
GL11.glPushMatrix();
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) {
// this somehow makes shader render correctly
ResourceLocation resourcelocation = mc.getTextureManager()
.getResourceLocation(aStack.getItemSpriteNumber());
mc.getTextureManager()
.bindTexture(resourcelocation);
} else {
r.renderItemIntoGUI(mc.fontRenderer, mc.getTextureManager(), aStack, 0, 0, true);
}
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);
}
CosmicRenderStuffs.cosmicOpacity = cosmicOpacity;
CosmicRenderStuffs.inventoryRender = true;
CosmicRenderStuffs.useShader();
GL11.glColor4d(1, 1, 1, 1);
float minu = tIcon.getMinU();
float maxu = tIcon.getMaxU();
float minv = tIcon.getMinV();
float maxv = tIcon.getMaxV();
// Draw cosmic overlay
t.startDrawingQuads();
t.addVertexWithUV(0, 0, 0, minu, minv);
t.addVertexWithUV(0, 16, 0, minu, maxv);
t.addVertexWithUV(16, 16, 0, maxu, maxv);
t.addVertexWithUV(16, 0, 0, maxu, minv);
t.draw();
CosmicRenderStuffs.releaseShader();
CosmicRenderStuffs.inventoryRender = false;
GL11.glEnable(GL11.GL_ALPHA_TEST);
GL11.glEnable(GL12.GL_RESCALE_NORMAL);
GL11.glEnable(GL11.GL_DEPTH_TEST);
r.renderWithColor = true;
GL11.glDisable(GL11.GL_BLEND);
GL11.glPopMatrix();
}
default -> {}
}
}
private void render(IIcon icon) {
GL11.glPushMatrix();
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GL11.glColor4f(1F, 1F, 1F, 1F);
float f, f1, f2, f3;
float scale = 1F / 16F;
f = icon.getMinU();
f1 = icon.getMaxU();
f2 = icon.getMinV();
f3 = icon.getMaxV();
GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
// RENDER ITEM IN HAND
ItemRenderer
.renderItemIn2D(Tessellator.instance, f1, f2, f, f3, icon.getIconWidth(), icon.getIconHeight(), scale);
GL11.glDisable(GL11.GL_ALPHA_TEST);
GL11.glDepthFunc(GL11.GL_EQUAL);
CosmicRenderStuffs.cosmicOpacity = cosmicOpacity;
CosmicRenderStuffs.useShader();
float minu = icon.getMinU();
float maxu = icon.getMaxU();
float minv = icon.getMinV();
float maxv = icon.getMaxV();
// RENDER COSMIC OVERLAY IN HAND
ItemRenderer.renderItemIn2D(
Tessellator.instance,
maxu,
minv,
minu,
maxv,
icon.getIconWidth(),
icon.getIconHeight(),
scale);
CosmicRenderStuffs.releaseShader();
GL11.glDepthFunc(GL11.GL_LEQUAL);
GL11.glEnable(GL11.GL_ALPHA_TEST);
GL11.glDisable(GL11.GL_BLEND);
GL11.glPopMatrix();
GL11.glColor4f(1F, 1F, 1F, 1F);
}
private void processLightLevel(ItemRenderType type, Object... data) {
switch (type) {
case ENTITY -> {
EntityItem ent = (EntityItem) (data[1]);
if (ent != null) {
CosmicRenderStuffs.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) {
CosmicRenderStuffs.setLightFromLocation(
ent.worldObj,
MathHelper.floor_double(ent.posX),
MathHelper.floor_double(ent.posY),
MathHelper.floor_double(ent.posZ));
}
}
case INVENTORY -> {
CosmicRenderStuffs.setLightLevel(10.2f);
}
default -> {
CosmicRenderStuffs.setLightLevel(1.0f);
}
}
}
}
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