first commit

Minecraft.World/EggTile.cpp

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+#include "stdafx.h"
+#include "EggTile.h"
+#include "net.minecraft.world.level.h"
+#include "net.minecraft.world.level.tile.h"
+#include "net.minecraft.world.entity.item.h"
+
+EggTile::EggTile(int id) : Tile(id, Material::egg, isSolidRender())
+{
+}
+
+void EggTile::onPlace(Level *level, int x, int y, int z)
+{
+	level->addToTickNextTick(x, y, z, id, getTickDelay());
+}
+
+void EggTile::neighborChanged(Level *level, int x, int y, int z, int type)
+{
+	level->addToTickNextTick(x, y, z, id, getTickDelay());
+}
+
+void EggTile::tick(Level *level, int x, int y, int z, Random *random)
+{
+	checkSlide(level, x, y, z);
+}
+
+void EggTile::checkSlide(Level *level, int x, int y, int z)
+{
+	if (HeavyTile::isFree(level, x, y - 1, z) && y >= 0)
+	{
+		int r = 32;
+		if (HeavyTile::instaFall || !level->hasChunksAt(x - r, y - r, z - r, x + r, y + r, z + r))
+		{
+			level->setTile(x, y, z, 0);
+			while (HeavyTile::isFree(level, x, y - 1, z) && y > 0)
+				y--;
+			if (y > 0)
+			{
+				level->setTile(x, y, z, id);
+			}
+		}
+		else
+		{
+			shared_ptr<FallingTile> e = shared_ptr<FallingTile>(new FallingTile(level, x + 0.5f, y + 0.5f, z + 0.5f, id));
+			level->addEntity(e);
+		}
+	}
+}
+
+bool EggTile::use(Level *level, int x, int y, int z, shared_ptr<Player> player, int clickedFace, float clickX, float clickY, float clickZ, bool soundOnly/*=false*/) // 4J added soundOnly param
+{
+	if(soundOnly) return false;
+
+    teleport(level, x, y, z);
+    return true;
+}
+
+void EggTile::attack(Level *level, int x, int y, int z, shared_ptr<Player> player)
+{
+	teleport(level, x, y, z);
+}
+
+void EggTile::teleport(Level *level, int x, int y, int z)
+{
+	if (level->getTile(x, y, z) != id) return;
+
+	for (int i = 0; i < 1000; i++)
+	{
+		int xt = x + level->random->nextInt(16) - level->random->nextInt(16);
+		int yt = y + level->random->nextInt(8) - level->random->nextInt(8);
+		int zt = z + level->random->nextInt(16) - level->random->nextInt(16);
+		if (level->getTile(xt, yt, zt) == 0)
+		{
+			// Fix for TU9: Content: Art: Dragon egg teleport particle effect isn't present.
+			// Don't set tiles on client, and don't create particles on the server (matches later change in Java)
+			if(!level->isClientSide)
+			{
+				level->setTileAndData(xt, yt, zt, id, level->getData(x, y, z));
+				level->setTile(x, y, z, 0);
+
+				// 4J Stu - The PC version is wrong as the particles calculated on the client side will point towards a different
+				// location to the one where the egg has actually moved. As the deltas are all small we can pack them into an int
+				// See generateTeleportParticles for unpacking
+				char deltaX = x-xt;
+				char deltaY = y-yt;
+				char deltaZ = z-zt;
+				int deltas = 0|(deltaX&0xFF)|((deltaY&0xFF)<<8)|((deltaZ&0xFF)<<16);
+
+				level->levelEvent(LevelEvent::END_EGG_TELEPORT,xt,yt,zt,deltas);
+			}
+
+			// 4J Stu - This code will not work correctly on the client as it will show the particles going in the wrong direction
+			// and only for the player who attacks the egg
+		//	else
+		//	{
+		//		int count = 128;
+		//		for (int j = 0; j < count; j++)
+		//		{
+		//			double d = level->random->nextDouble(); // j < count / 2 ? 0 :
+		//// 1;
+		//			float xa = (level->random->nextFloat() - 0.5f) * 0.2f;
+		//			float ya = (level->random->nextFloat() - 0.5f) * 0.2f;
+		//			float za = (level->random->nextFloat() - 0.5f) * 0.2f;
+
+		//			double _x = xt + (x - xt) * d + (level->random->nextDouble() - 0.5) * 1 + 0.5f;
+		//			double _y = yt + (y - yt) * d + level->random->nextDouble() * 1 - 0.5f;
+		//			double _z = zt + (z - zt) * d + (level->random->nextDouble() - 0.5) * 1 + 0.5f;
+		//			level->addParticle(eParticleType_ender, _x, _y, _z, xa, ya, za);
+		//		}
+		//	}
+			return;
+		}
+	}
+}
+
+int EggTile::getTickDelay()
+{
+	return 3;
+}
+
+bool EggTile::blocksLight()
+{
+	return false;
+}
+
+bool EggTile::isSolidRender(bool isServerLevel)
+{
+	return false;
+}
+
+bool EggTile::isCubeShaped()
+{
+	return false;
+}
+
+int EggTile::getRenderShape()
+{
+	return Tile::SHAPE_EGG;
+}
+
+int EggTile::cloneTileId(Level *level, int x, int y, int z)
+{
+	return 0;
+}
+
+// 4J Added for Fix for #77475 - TU9: Content: Art: Dragon egg teleport particle effect isn't present.
+void EggTile::generateTeleportParticles(Level *level,int xt,int yt, int zt,int deltas)
+{
+	int count = 128;
+
+	// See above for packing
+	char deltaX = deltas&0xFF;
+	char deltaY = (deltas>>8)&0xFF;
+	char deltaZ = (deltas>>16)&0xFF;
+
+	for (int j = 0; j < count; j++)
+	{
+		double d = level->random->nextDouble(); // j < count / 2 ? 0 :
+		// 1;
+		float xa = (level->random->nextFloat() - 0.5f) * 0.2f;
+		float ya = (level->random->nextFloat() - 0.5f) * 0.2f;
+		float za = (level->random->nextFloat() - 0.5f) * 0.2f;
+
+		double _x = xt + deltaX * d + (level->random->nextDouble() - 0.5) * 1 + 0.5f;
+		double _y = yt + deltaY * d + level->random->nextDouble() * 1 - 0.5f;
+		double _z = zt + deltaZ * d + (level->random->nextDouble() - 0.5) * 1 + 0.5f;
+		level->addParticle(eParticleType_ender, _x, _y, _z, xa, ya, za);
+	}
+}
+
+bool EggTile::shouldRenderFace(LevelSource *level, int x, int y, int z, int face) 
+{
+	return true;
+}