implement new terrain generator, cave generator, tree generator, implement big tree generator, improve light update performance

src/js/net/minecraft/client/world/block/Block.js

@@ -35,8 +35,12 @@ export default class Block {
         return this.textureSlotId;
     }
 
+    getTransparency() {
+        return 0.0;
+    }
+
     isTransparent() {
-        return this.getOpacity() < 1.0;
+        return this.getTransparency() > 0.0;
     }
 
     shouldRenderFace(world, x, y, z, face) {

src/js/net/minecraft/client/world/block/BlockRegistry.js

@@ -22,14 +22,14 @@ export class BlockRegistry {
         Block.sounds.sand = new Sound("sand", 1.0);
 
         // Blocks
-        Block.STONE = new BlockStone(1, 0);
-        Block.GRASS = new BlockGrass(2, 1);
-        Block.DIRT = new BlockDirt(3, 2);
-        Block.WOOD = new BlockWood(5, 10);
-        Block.LOG = new BlockLog(17, 4);
-        Block.LEAVE = new BlockLeave(18, 6);
-        Block.WATER = new BlockWater(9, 7);
-        Block.SAND = new BlockSand(12, 8)
-        Block.TORCH = new BlockTorch(50, 9)
+        BlockRegistry.STONE = new BlockStone(1, 0);
+        BlockRegistry.GRASS = new BlockGrass(2, 1);
+        BlockRegistry.DIRT = new BlockDirt(3, 2);
+        BlockRegistry.WOOD = new BlockWood(5, 10);
+        BlockRegistry.LOG = new BlockLog(17, 4);
+        BlockRegistry.LEAVE = new BlockLeave(18, 6);
+        BlockRegistry.WATER = new BlockWater(9, 7);
+        BlockRegistry.SAND = new BlockSand(12, 8)
+        BlockRegistry.TORCH = new BlockTorch(50, 9)
     }
 }

src/js/net/minecraft/client/world/block/type/BlockWater.js

@@ -10,6 +10,10 @@ export default class BlockWater extends Block {
         return 0.01;
     }
 
+    getTransparency() {
+        return 0.2;
+    }
+
     isSolid() {
         return false;
     }