Prevent loading chunks while ticking blocks (#110)

src/main/java/forestry/arboriculture/blocks/BlockFruitPod.java

@@ -36,29 +36,29 @@ public class BlockFruitPod extends BlockCocoa {
     }
 
     public static TileFruitPod getPodTile(IBlockAccess world, int x, int y, int z) {
-        TileEntity tile = world.getTileEntity(x, y, z);
-        if (!(tile instanceof TileFruitPod)) {
-            return null;
+        final TileEntity tile = world.getTileEntity(x, y, z);
+        if (tile instanceof TileFruitPod) {
+            return (TileFruitPod) tile;
         }
-
-        return (TileFruitPod) tile;
+        return null;
     }
 
     @Override
     public void updateTick(World world, int x, int y, int z, Random rand) {
-
+        if (!world.checkChunksExist(x - 1, y, z - 1, x + 1, y, z + 1)) {
+            return;
+        }
         if (!canBlockStay(world, x, y, z)) {
-            dropBlockAsItem(world, x, y, z, world.getBlockMetadata(x, y, z), 0);
+            final int meta = world.getBlockMetadata(x, y, z);
+            this.dropBlockAsItem(world, x, y, z, meta, 0);
             world.setBlockToAir(x, y, z);
             return;
         }
 
-        TileFruitPod tile = getPodTile(world, x, y, z);
-        if (tile == null) {
-            return;
+        final TileFruitPod tile = getPodTile(world, x, y, z);
+        if (tile != null) {
+            tile.onBlockTick();
         }
-
-        tile.onBlockTick();
     }
 
     @SuppressWarnings("deprecation")

src/main/java/forestry/core/blocks/BlockSoil.java

@@ -84,31 +84,26 @@ public class BlockSoil extends Block implements IItemTyped {
     }
 
     @Override
-    public void updateTick(World world, int i, int j, int k, Random random) {
+    public void updateTick(World world, int x, int y, int z, Random random) {
         if (world.isRemote) {
             return;
         }
 
-        int meta = world.getBlockMetadata(i, j, k);
-
+        int meta = world.getBlockMetadata(x, y, z);
         SoilType type = getTypeFromMeta(meta);
 
         if (type == SoilType.HUMUS) {
-            updateTickHumus(world, i, j, k);
+            if (world.checkChunksExist(x - 1, y + 1, z - 1, x + 1, y + 1, z + 1)) {
+                if (isEnrooted(world, x, y, z)) {
+                    degradeSoil(world, x, y, z);
+                }
+            }
         } else if (type == SoilType.BOG_EARTH) {
-            updateTickBogEarth(world, i, j, k);
-        }
-    }
-
-    private static void updateTickHumus(World world, int i, int j, int k) {
-        if (isEnrooted(world, i, j, k)) {
-            degradeSoil(world, i, j, k);
-        }
-    }
-
-    private static void updateTickBogEarth(World world, int i, int j, int k) {
-        if (isMoistened(world, i, j, k)) {
-            matureBog(world, i, j, k);
+            if (world.checkChunksExist(x - 2, y, z - 2, x + 2, y, z + 2)) {
+                if (isMoistened(world, x, y, z)) {
+                    matureBog(world, x, y, z);
+                }
+            }
         }
     }
 
@@ -122,7 +117,6 @@ public class BlockSoil extends Block implements IItemTyped {
                 }
             }
         }
-
         return false;
     }
 
@@ -156,7 +150,6 @@ public class BlockSoil extends Block implements IItemTyped {
     }
 
     private static boolean isMoistened(World world, int x, int y, int z) {
-
         for (int i = -2; i < 3; i++) {
             for (int j = -2; j < 3; j++) {
                 Block block = world.getBlock(x + i, y, z + j);
@@ -165,7 +158,6 @@ public class BlockSoil extends Block implements IItemTyped {
                 }
             }
         }
-
         return false;
     }
 

src/main/java/forestry/core/fluids/BlockForestryFluid.java

@@ -193,7 +193,7 @@ public class BlockForestryFluid extends BlockFluidClassic {
         super.updateTick(world, x, y, z, rand);
 
         // Start fires if the fluid is lava-like
-        if (getMaterial() == Material.lava) {
+        if (getMaterial() == Material.lava && world.checkChunksExist(x - 4, y, z - 4, x + 4, y, z + 4)) {
             int rangeUp = rand.nextInt(3);
 
             for (int i = 0; i < rangeUp; ++i) {

src/main/java/forestry/farming/blocks/BlockMushroom.java

@@ -72,51 +72,54 @@ public class BlockMushroom extends BlockSapling implements IItemTyped {
     }
 
     @Override
-    public void updateTick(World world, int i, int j, int k, Random random) {
-
+    public void updateTick(World world, int x, int y, int z, Random random) {
         if (world.isRemote) {
             return;
         }
 
-        int meta = world.getBlockMetadata(i, j, k);
-        MushroomType type = getTypeFromMeta(meta);
-        int maturity = meta >> 2;
+        final int meta = world.getBlockMetadata(x, y, z);
+        final MushroomType type = getTypeFromMeta(meta);
+        final int maturity = meta >> 2;
 
-        tickGermling(world, i, j, k, random, type, maturity);
+        tickGermling(world, x, y, z, random, type, maturity);
     }
 
-    private void tickGermling(World world, int i, int j, int k, Random random, MushroomType type, int maturity) {
-
-        int lightvalue = world.getBlockLightValue(i, j + 1, k);
-
+    private void tickGermling(World world, int x, int y, int z, Random random, MushroomType type, int maturity) {
         if (random.nextInt(2) != 0) {
             return;
         }
-
         if (maturity != 3) {
             maturity = 3;
-            int matX = maturity << 2;
-            int meta = (matX | type.ordinal());
-            world.setBlockMetadataWithNotify(i, j, k, meta, Constants.FLAG_BLOCK_SYNCH);
-        } else if (lightvalue <= 7) {
-            func_149878_d(world, i, j, k, random);
+            final int matX = maturity << 2;
+            final int meta = (matX | type.ordinal());
+            world.setBlockMetadataWithNotify(x, y, z, meta, Constants.FLAG_BLOCK_SYNCH);
+        } else {
+            if (world.checkChunksExist(x - 1, y, z - 1, x + 1, y, z + 1)) {
+                final int lightvalue = world.getBlockLightValue(x, y + 1, z);
+                if (lightvalue <= 7) {
+                    func_149878_d(world, x, y, z, random);
+                }
+            }
         }
     }
 
     @Override
-    public void func_149878_d(World world, int i, int j, int k, Random random) {
-        MushroomType type = getTypeFromMeta(world.getBlockMetadata(i, j, k));
+    public void func_149878_d(World world, int x, int y, int z, Random random) {
+        MushroomType type = getTypeFromMeta(world.getBlockMetadata(x, y, z));
 
-        world.setBlockToAir(i, j, k);
-        if (!generators[type.ordinal()].generate(world, random, i, j, k)) {
-            world.setBlock(i, j, k, this, type.ordinal(), 0);
+        world.setBlockToAir(x, y, z);
+        if (!generators[type.ordinal()].generate(world, random, x, y, z)) {
+            world.setBlock(x, y, z, this, type.ordinal(), 0);
         }
     }
 
     @Override
     public MushroomType getTypeFromMeta(int meta) {
-        meta %= MushroomType.values().length;
-        return MushroomType.values()[meta];
+        return switch (meta % 2) {
+            case 0 -> MushroomType.BROWN;
+            case 1 -> MushroomType.RED;
+            default -> throw new IllegalStateException("Unexpected value: " + meta);
+        };
     }
 
     /* ICONS */
@@ -135,15 +138,10 @@ public class BlockMushroom extends BlockSapling implements IItemTyped {
     @SideOnly(Side.CLIENT)
     @Override
     public IIcon getIcon(int side, int meta) {
-        MushroomType type = getTypeFromMeta(meta);
-
-        switch (type) {
-            case BROWN:
-                return Blocks.brown_mushroom.getIcon(side, meta);
-            case RED:
-                return Blocks.red_mushroom.getIcon(side, meta);
-            default:
-                return null;
-        }
+        final MushroomType type = getTypeFromMeta(meta);
+        return switch (type) {
+            case BROWN -> Blocks.brown_mushroom.getIcon(side, meta);
+            case RED -> Blocks.red_mushroom.getIcon(side, meta);
+        };
     }
 }