reimplement aether stuff from personal repo

Minecraft.World/AetherPortalTile.cpp

@@ -0,0 +1,200 @@
+#include "stdafx.h"
+#include "net.minecraft.world.entity.h"
+#include "net.minecraft.world.level.h"
+#include "net.minecraft.world.level.dimension.h"
+#include "net.minecraft.world.item.h"
+#include "AetherPortalTile.h"
+
+AetherPortalTile::AetherPortalTile(int id) : HalfTransparentTile(id, L"water", Material::portal, false)
+{
+	setTicking(true);
+}
+
+void AetherPortalTile::tick(Level *level, int x, int y, int z, Random *random)
+{
+	HalfTransparentTile::tick(level, x, y, z, random);
+}
+
+AABB *AetherPortalTile::getAABB(Level *level, int x, int y, int z)
+{
+	return NULL;
+}
+
+void AetherPortalTile::updateShape(LevelSource *level, int x, int y, int z, int forceData, shared_ptr<TileEntity> forceEntity)
+{
+	if (level->getTile(x - 1, y, z) == id || level->getTile(x + 1, y, z) == id)
+	{
+		float xr = 8 / 16.0f;
+		float yr = 2 / 16.0f;
+		this->setShape(0.5f - xr, 0, 0.5f - yr, 0.5f + xr, 1, 0.5f + yr);
+	}
+	else
+	{
+		float xr = 2 / 16.0f;
+		float yr = 8 / 16.0f;
+		this->setShape(0.5f - xr, 0, 0.5f - yr, 0.5f + xr, 1, 0.5f + yr);
+	}
+}
+
+bool AetherPortalTile::isSolidRender(bool isServerLevel)
+{
+	return false;
+}
+
+bool AetherPortalTile::isCubeShaped()
+{
+	return false;
+}
+
+bool AetherPortalTile::trySpawnPortal(Level *level, int x, int y, int z, bool actuallySpawn)
+{
+	// The Aether portal uses a glowstone frame (like the Nether portal uses obsidian)
+	int xd = 0, zd = 0;
+	if (level->getTile(x - 1, y, z) == Tile::lightGem_Id || level->getTile(x + 1, y, z) == Tile::lightGem_Id) xd = 1;
+	if (level->getTile(x, y, z - 1) == Tile::lightGem_Id || level->getTile(x, y, z + 1) == Tile::lightGem_Id) zd = 1;
+	if (xd == zd) return false;
+
+	if (level->getTile(x - xd, y, z - zd) == 0) { x -= xd; z -= zd; }
+
+	for (int xx = -1; xx <= 2; xx++)
+	{
+		for (int yy = -1; yy <= 3; yy++)
+		{
+			bool edge = (xx == -1) || (xx == 2) || (yy == -1) || (yy == 3);
+			if ((xx == -1 || xx == 2) && (yy == -1 || yy == 3)) continue;
+			int t = level->getTile(x + xd * xx, y + yy, z + zd * xx);
+			if (edge)
+			{
+				if (t != Tile::lightGem_Id) return false;
+			}
+			else
+			{
+				// Interior must be empty or water (since water bucket activates the portal)
+				if (t != 0 && t != Tile::water_Id && t != Tile::calmWater_Id) return false;
+			}
+		}
+	}
+
+	if (!actuallySpawn) return true;
+
+	level->noNeighborUpdate = true;
+	for (int xx = 0; xx < 2; xx++)
+	{
+		for (int yy = 0; yy < 3; yy++)
+		{
+			level->setTile(x + xd * xx, y + yy, z + zd * xx, Tile::aetherPortalTile_Id);
+		}
+	}
+	level->noNeighborUpdate = false;
+
+	return true;
+}
+
+void AetherPortalTile::neighborChanged(Level *level, int x, int y, int z, int type)
+{
+	// Determine portal orientation from adjacent portal blocks
+	int xd = 0;
+	int zd = 1;
+	if (level->getTile(x - 1, y, z) == id || level->getTile(x + 1, y, z) == id)
+	{
+		xd = 1;
+		zd = 0;
+	}
+
+	// Scan down to find the bottom of the portal column
+	int yBottom = y;
+	while (level->getTile(x, yBottom - 1, z) == id)
+		yBottom--;
+
+	// Bottom must be glowstone
+	if (level->getTile(x, yBottom - 1, z) != Tile::lightGem_Id)
+	{
+		level->setTile(x, y, z, 0);
+		return;
+	}
+
+	// Portal column must be exactly 3 tall with glowstone on top
+	int height = 1;
+	while (height < 4 && level->getTile(x, yBottom + height, z) == id)
+		height++;
+
+	if (height != 3 || level->getTile(x, yBottom + height, z) != Tile::lightGem_Id)
+	{
+		level->setTile(x, y, z, 0);
+		return;
+	}
+
+	// Don't allow cross-shaped portals
+	bool we = level->getTile(x - 1, y, z) == id || level->getTile(x + 1, y, z) == id;
+	bool ns = level->getTile(x, y, z - 1) == id || level->getTile(x, y, z + 1) == id;
+	if (we && ns)
+	{
+		level->setTile(x, y, z, 0);
+		return;
+	}
+
+	// One neighbor must be glowstone frame, the other must be portal
+	if (!(
+	(level->getTile(x + xd, y, z + zd) == Tile::lightGem_Id && level->getTile(x - xd, y, z - zd) == id) ||
+	(level->getTile(x - xd, y, z - zd) == Tile::lightGem_Id && level->getTile(x + xd, y, z + zd) == id)
+	))
+	{
+		level->setTile(x, y, z, 0);
+		return;
+	}
+}
+
+bool AetherPortalTile::shouldRenderFace(LevelSource *level, int x, int y, int z, int face)
+{
+	if (level->getTile(x, y, z) == id) return false;
+
+	bool w = level->getTile(x - 1, y, z) == id && level->getTile(x - 2, y, z) != id;
+	bool e = level->getTile(x + 1, y, z) == id && level->getTile(x + 2, y, z) != id;
+
+	bool n = level->getTile(x, y, z - 1) == id && level->getTile(x, y, z - 2) != id;
+	bool s = level->getTile(x, y, z + 1) == id && level->getTile(x, y, z + 2) != id;
+
+	bool we = w || e;
+	bool ns = n || s;
+
+	if (we && face == 4) return true;
+	if (we && face == 5) return true;
+	if (ns && face == 2) return true;
+	if (ns && face == 3) return true;
+
+	return false;
+}
+
+int AetherPortalTile::getResourceCount(Random *random)
+{
+	return 0;
+}
+
+int AetherPortalTile::getRenderLayer()
+{
+	return 1;
+}
+
+void AetherPortalTile::entityInside(Level *level, int x, int y, int z, shared_ptr<Entity> entity)
+{
+	// Trigger portal teleportation — use the Aether portal flag
+	if (entity->riding == NULL && entity->rider.lock() == NULL)
+	{
+		entity->handleInsideAetherPortal();
+	}
+}
+
+void AetherPortalTile::animateTick(Level *level, int xt, int yt, int zt, Random *random)
+{
+	// No particles for the Aether portal
+}
+
+int AetherPortalTile::cloneTileId(Level *level, int x, int y, int z)
+{
+	return 0;
+}
+
+bool AetherPortalTile::mayPick()
+{
+	return false;
+}