Merge pull request #51 from rytina/fix-car-stuck-in-tiny-gaps

Fix cars getting stuck in tiny gaps in dirt path and soul sand

src/main/java/io/github/a5h73y/carz/listeners/VehicleListener.java

@@ -235,7 +235,7 @@ public void onVehicleUpdate(VehicleUpdateEvent event) {
 
         Vector vehicleVelocity = event.getVehicle().getVelocity();
         Vector playerLocationVelocity = player.getLocation().getDirection();
-        Block blockBelow = event.getVehicle().getLocation().subtract(0.0D, 1.0D, 0.0D).getBlock();
+        Block blockBelow = event.getVehicle().getLocation().subtract(0.0D, 0.1D, 0.0D).getBlock();
         Material materialBelow = blockBelow.getType();
         BlocksConfig blocksConfig = (BlocksConfig) Carz.getConfig(BLOCKS);
 
@@ -258,7 +258,7 @@ public void onVehicleUpdate(VehicleUpdateEvent event) {
         playerLocation.setPitch(0f);
 
         Location twoBlocksAhead = playerLocation.add(playerLocation.getDirection().multiply(2));
-        twoBlocksAhead.setY(Math.max(playerLocation.getY() + 1, twoBlocksAhead.getY()));
+        twoBlocksAhead.setY(Math.max(playerLocation.getY() + getBlockHeight(twoBlocksAhead.getBlock()), twoBlocksAhead.getY()));
 
         // determine if the Car should start climbing
         boolean isClimbable = calculateIsClimbable(blockBelow, twoBlocksAhead, blocksConfig);
@@ -298,6 +298,18 @@ private boolean calculateIsClimbable(Block blockBelow, Location twoBlocksAhead,
         return blocksConfig.getClimbBlocks().contains(twoBlocksAhead.getBlock().getType());
     }
 
+    private double getBlockHeight(Block block) {
+        switch (block.getType().toString()) {
+            case "DIRT_PATH":
+            case "FARMLAND":
+            case "HONEY_BLOCK":
+            case "SOUL_SAND":
+                return 0.1;
+            default:
+                return 1.0;
+        }
+    }
+
     /**
      * Car destroy event.
      *