misc fixes

src/main/java/baritone/behavior/FollowBehavior.java

@@ -42,6 +42,7 @@ public final class FollowBehavior extends Behavior implements Helper {
     @Override
     public void onTick(TickEvent event) {
         if (event.getType() == TickEvent.Type.OUT) {
+            following = null;
             return;
         }
         if (following == null) {

src/main/java/baritone/behavior/MineBehavior.java

@@ -58,6 +58,10 @@ public final class MineBehavior extends Behavior implements Helper {
 
     @Override
     public void onTick(TickEvent event) {
+        if (event.getType() == TickEvent.Type.OUT) {
+            cancel();
+            return;
+        }
         if (mining == null) {
             return;
         }

src/main/java/baritone/pathing/movement/Movement.java

@@ -23,6 +23,7 @@ import baritone.behavior.LookBehaviorUtils;
 import baritone.pathing.movement.MovementState.MovementStatus;
 import baritone.utils.*;
 import baritone.utils.pathing.BetterBlockPos;
+import net.minecraft.block.BlockLiquid;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.RayTraceResult;
@@ -158,7 +159,7 @@ public abstract class Movement implements Helper, MovementHelper {
         }
         boolean somethingInTheWay = false;
         for (BetterBlockPos blockPos : positionsToBreak) {
-            if (!MovementHelper.canWalkThrough(blockPos)) {
+            if (!MovementHelper.canWalkThrough(blockPos) && !(BlockStateInterface.getBlock(blockPos) instanceof BlockLiquid)) { // can't break liquid, so don't try
                 somethingInTheWay = true;
                 Optional<Rotation> reachable = LookBehaviorUtils.reachable(blockPos);
                 if (reachable.isPresent()) {

src/main/java/baritone/pathing/movement/MovementHelper.java

@@ -360,6 +360,9 @@ public interface MovementHelper extends ActionCosts, Helper {
             if (avoidBreaking(x, y, z, state)) {
                 return COST_INF;
             }
+            if (block instanceof BlockLiquid) {
+                return COST_INF;
+            }
             double m = Blocks.CRAFTING_TABLE.equals(block) ? 10 : 1; // TODO see if this is still necessary. it's from MineBot when we wanted to penalize breaking its crafting table
             double strVsBlock = context.getToolSet().getStrVsBlock(state);
             if (strVsBlock <= 0) {

src/main/java/baritone/pathing/movement/movements/MovementDescend.java

@@ -87,8 +87,10 @@ public class MovementDescend extends Movement {
         //if S is where you start, B needs to be air for a movementfall
         //A is plausibly breakable by either descend or fall
         //C, D, etc determine the length of the fall
-        if (!MovementHelper.canWalkOn(destX, y - 2, destZ)) {
+
-            return dynamicFallCost(context, x, y, z, destX, destZ, totalCost);
+        IBlockState below = BlockStateInterface.get(destX, y - 2, destZ);
+        if (!MovementHelper.canWalkOn(destX, y - 2, destZ, below)) {
+            return dynamicFallCost(context, x, y, z, destX, destZ, totalCost, below);
         }
 
         Block tmp1 = BlockStateInterface.get(destX, y - 1, destZ).getBlock();
@@ -106,13 +108,16 @@ public class MovementDescend extends Movement {
         return new Tuple<>(y - 1, totalCost);
     }
 
-    public static Tuple<Integer, Double> dynamicFallCost(CalculationContext context, int x, int y, int z, int destX, int destZ, double frontBreak) {
+    public static Tuple<Integer, Double> dynamicFallCost(CalculationContext context, int x, int y, int z, int destX, int destZ, double frontBreak, IBlockState below) {
         if (frontBreak != 0 && BlockStateInterface.get(destX, y + 2, destZ).getBlock() instanceof BlockFalling) {
             // if frontBreak is 0 we can actually get through this without updating the falling block and making it actually fall
             // but if frontBreak is nonzero, we're breaking blocks in front, so don't let anything fall through this column,
             // and potentially replace the water we're going to fall into
             return IMPOSSIBLE;
         }
+        if (!MovementHelper.canWalkThrough(destX, y - 2, destZ, below) && below.getBlock() != Blocks.WATER) {
+            return IMPOSSIBLE;
+        }
         for (int fallHeight = 3; true; fallHeight++) {
             int newY = y - fallHeight;
             if (newY < 0) {
@@ -122,13 +127,16 @@ public class MovementDescend extends Movement {
             }
             IBlockState ontoBlock = BlockStateInterface.get(destX, newY, destZ);
             double tentativeCost = WALK_OFF_BLOCK_COST + FALL_N_BLOCKS_COST[fallHeight] + frontBreak;
-            if (ontoBlock.getBlock() == Blocks.WATER) { // TODO flowing check required here?
+            if (ontoBlock.getBlock() == Blocks.WATER && !BlockStateInterface.isFlowing(ontoBlock)) { // TODO flowing check required here?
                 if (Baritone.settings().assumeWalkOnWater.get()) {
                     return IMPOSSIBLE; // TODO fix
                 }
                 // found a fall into water
                 return new Tuple<>(newY, tentativeCost); // TODO incorporate water swim up cost?
             }
+            if (ontoBlock.getBlock() == Blocks.FLOWING_WATER) {
+                return IMPOSSIBLE;
+            }
             if (MovementHelper.canWalkThrough(destX, newY, destZ, ontoBlock)) {
                 continue;
             }

src/main/java/baritone/pathing/path/PathExecutor.java

@@ -94,6 +94,7 @@ public class PathExecutor implements Helper {
 
             if (pathPosition == 0 && whereAmI.equals(whereShouldIBe.up()) && Math.abs(player().motionY) < 0.1 && !(path.movements().get(0) instanceof MovementAscend) && !(path.movements().get(0) instanceof MovementPillar)) {
                 // avoid the Wrong Y coordinate bug
+                // TODO add a timer here
                 new MovementDownward(whereAmI, whereShouldIBe).update();
                 return false;
             }