reimplement aether stuff from personal repo

Minecraft.World/AetherDimension.cpp

@@ -0,0 +1,92 @@
+#include "stdafx.h"
+#include "AetherDimension.h"
+#include "FixedBiomeSource.h"
+#include "LevelData.h"
+#include "net.minecraft.world.level.levelgen.h"
+#include "net.minecraft.world.level.h"
+#include "net.minecraft.world.level.tile.h"
+#include "net.minecraft.world.level.biome.h"
+#include "AetherLevelSource.h"
+#include "..\Minecraft.Client\Minecraft.h"
+#include "..\Minecraft.Client\Common\Colours\ColourTable.h"
+
+void AetherDimension::init()
+{
+	// Use the Aether biome for the sky dimension
+	biomeSource = new FixedBiomeSource(Biome::aether, 0.5f, 0.0f);
+	id = 2;
+	hasCeiling = false;
+}
+
+ChunkSource *AetherDimension::createRandomLevelSource() const
+{
+	// Floating island terrain generation for the Aether
+	return new AetherLevelSource(level, level->getSeed());
+}
+
+float AetherDimension::getTimeOfDay(__int64 time, float a) const
+{
+	// Permanent daytime — 0.0 gives maximum brightness (skyDarken = 0)
+	return 0.0f;
+}
+
+float *AetherDimension::getSunriseColor(float td, float a)
+{
+	// No sunrise/sunset cycle in the Aether
+	return NULL;
+}
+
+Vec3 *AetherDimension::getFogColor(float td, float a) const
+{
+	// Bright sky-blue fog color for the Aether
+	float r = 0.62f;
+	float g = 0.80f;
+	float b = 1.0f;
+	return Vec3::newTemp(r, g, b);
+}
+
+bool AetherDimension::hasGround()
+{
+	// The Aether has ground (sky islands with void below, but ground exists)
+	return true;
+}
+
+bool AetherDimension::mayRespawn() const
+{
+	// Cannot respawn in the Aether — sent back to Overworld on death
+	return false;
+}
+
+bool AetherDimension::isNaturalDimension()
+{
+	// Not a natural dimension (no day/night cycle mob spawning rules)
+	return false;
+}
+
+float AetherDimension::getCloudHeight()
+{
+	// Clouds are higher in the Aether
+	return (float)Level::genDepth + 32;
+}
+
+bool AetherDimension::isValidSpawn(int x, int z) const
+{
+	int topTile = level->getTopTile(x, z);
+	if (topTile == 0) return false;
+	return Tile::tiles[topTile]->material->blocksMotion();
+}
+
+Pos *AetherDimension::getSpawnPos()
+{
+	return new Pos(0, 64, 0);
+}
+
+bool AetherDimension::isFoggyAt(int x, int z)
+{
+	return false;
+}
+
+int AetherDimension::getSpawnYPosition()
+{
+	return 64;
+}