From c4bab1a502bbd188d5e48513b8fcb20c2222db06 Mon Sep 17 00:00:00 2001
From: Aleksey <bulldog.seregin@gmail.com>
Date: Mon, 2 Nov 2020 17:52:14 +0300
Subject: [PATCH] WIP: End Crystal pedestal render

---
 .../entities/render/EndCrystalRenderer.java   | 53 +++++++++++++++++++
 .../entities/render/PedestalItemRenderer.java |  7 ++-
 2 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/ru/betterend/blocks/entities/render/EndCrystalRenderer.java

diff --git a/src/main/java/ru/betterend/blocks/entities/render/EndCrystalRenderer.java b/src/main/java/ru/betterend/blocks/entities/render/EndCrystalRenderer.java
new file mode 100644
index 00000000..ab16bf2b
--- /dev/null
+++ b/src/main/java/ru/betterend/blocks/entities/render/EndCrystalRenderer.java
@@ -0,0 +1,53 @@
+package ru.betterend.blocks.entities.render;
+
+import net.minecraft.client.model.ModelPart;
+import net.minecraft.client.render.OverlayTexture;
+import net.minecraft.client.render.RenderLayer;
+import net.minecraft.client.render.VertexConsumer;
+import net.minecraft.client.render.VertexConsumerProvider;
+import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.client.util.math.Vector3f;
+import net.minecraft.util.Identifier;
+import net.minecraft.util.math.Quaternion;
+
+public class EndCrystalRenderer {
+	private static final Identifier TEXTURE = new Identifier("textures/entity/end_crystal/end_crystal.png");
+	private static final RenderLayer END_CRYSTAL;
+	private static final float SINE_45_DEGREES;
+	private static final ModelPart CORE;
+	private static final ModelPart FRAME;
+	
+	public static void render(int age, float tickDelta, float rotation, MatrixStack matrices, VertexConsumerProvider vertexConsumerProvider, int light) {
+		float rotation2 = (age + tickDelta) * 3.0F;
+//		System.out.println("=====");
+//		System.out.println("A: " + age);
+//		System.out.println("R1: " + rotation);
+//		System.out.println("R2: " + rotation2);
+		VertexConsumer vertexConsumer = vertexConsumerProvider.getBuffer(END_CRYSTAL);
+		matrices.push();
+		matrices.scale(0.8F, 0.8F, 0.8F);
+		matrices.translate(0.0D, -0.5D, 0.0D);
+		matrices.multiply(Vector3f.POSITIVE_Y.getDegreesQuaternion(rotation2));
+		matrices.translate(0.0D, 0.8F, 0.0D);
+		matrices.multiply(new Quaternion(new Vector3f(SINE_45_DEGREES, 0.0F, SINE_45_DEGREES), 60.0F, true));
+		FRAME.render(matrices, vertexConsumer, light, OverlayTexture.DEFAULT_UV);
+		matrices.scale(0.875F, 0.875F, 0.875F);
+		matrices.multiply(new Quaternion(new Vector3f(SINE_45_DEGREES, 0.0F, SINE_45_DEGREES), 60.0F, true));
+		matrices.multiply(Vector3f.POSITIVE_Y.getDegreesQuaternion(rotation2));
+		FRAME.render(matrices, vertexConsumer, light, OverlayTexture.DEFAULT_UV);
+		matrices.scale(0.875F, 0.875F, 0.875F);
+		matrices.multiply(new Quaternion(new Vector3f(SINE_45_DEGREES, 0.0F, SINE_45_DEGREES), 60.0F, true));
+		matrices.multiply(Vector3f.POSITIVE_Y.getDegreesQuaternion(rotation2));
+		CORE.render(matrices, vertexConsumer, light, OverlayTexture.DEFAULT_UV);
+		matrices.pop();
+	}
+	
+	static {
+		END_CRYSTAL = RenderLayer.getEntityCutoutNoCull(TEXTURE);
+		SINE_45_DEGREES = (float)Math.sin(0.7853981633974483D);
+		FRAME = new ModelPart(64, 32, 0, 0);
+		FRAME.addCuboid(-4.0F, -4.0F, -4.0F, 8.0F, 8.0F, 8.0F);
+		CORE = new ModelPart(64, 32, 32, 0);
+		CORE.addCuboid(-4.0F, -4.0F, -4.0F, 8.0F, 8.0F, 8.0F);
+	}
+}
diff --git a/src/main/java/ru/betterend/blocks/entities/render/PedestalItemRenderer.java b/src/main/java/ru/betterend/blocks/entities/render/PedestalItemRenderer.java
index 748fdc80..fdea900b 100644
--- a/src/main/java/ru/betterend/blocks/entities/render/PedestalItemRenderer.java
+++ b/src/main/java/ru/betterend/blocks/entities/render/PedestalItemRenderer.java
@@ -16,6 +16,7 @@ import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.client.util.math.Vector3f;
 import net.minecraft.item.BlockItem;
 import net.minecraft.item.ItemStack;
+import net.minecraft.item.Items;
 import net.minecraft.util.DyeColor;
 import net.minecraft.util.Identifier;
 import net.minecraft.util.math.MathHelper;
@@ -70,7 +71,11 @@ public class PedestalItemRenderer extends BlockEntityRenderer<PedestalBlockEntit
 			BeamRenderer.renderLightBeam(matrices, vertexConsumer, tickDelta, -y, 1024 - y, colors, 0.25F, 0.15F, 0.2F);
 		}
 		
-		minecraft.getItemRenderer().renderItem(activeItem, ModelTransformation.Mode.GROUND, false, matrices, vertexConsumers, light, overlay, model);
+		if (activeItem.getItem() == Items.END_CRYSTAL) {
+			EndCrystalRenderer.render(blockEntity.getAge(), tickDelta, rotation, matrices, vertexConsumers, light);
+		} else {
+			minecraft.getItemRenderer().renderItem(activeItem, ModelTransformation.Mode.GROUND, false, matrices, vertexConsumers, light, overlay, model);
+		}
 		matrices.pop();
 	}
 }