First commit

pathfinding/actions/ActionDescendTwo.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package baritone.pathfinding.actions;
+
+import baritone.movement.MovementManager;
+import baritone.util.ToolSet;
+import net.minecraft.client.Minecraft;
+import net.minecraft.util.math.BlockPos;
+
+/**
+ *
+ * @author leijurv
+ */
+public class ActionDescendTwo extends ActionPlaceOrBreak {
+    public ActionDescendTwo(BlockPos start, BlockPos end) {
+        super(start, end, new BlockPos[]{end.up(3), end.up(2), end.up(), end}, new BlockPos[]{end.down()});
+    }
+    @Override
+    protected double calculateCost(ToolSet ts) {
+        if (!canWalkOn(positionsToPlace[0])) {
+            return COST_INF;
+        }
+        if (getTotalHardnessOfBlocksToBreak(ts) != 0) {
+            return COST_INF;
+        }
+        return WALK_ONE_BLOCK_COST * 0.8 + Math.max(FALL_TWO_BLOCK_COST, WALK_ONE_BLOCK_COST * 0.2);//we walk half the block plus 0.3 to get to the edge, then we walk the other 0.2 while simultaneously falling (math.max because of how it's in parallel)
+    }
+    @Override
+    protected boolean tick0() {//basically just hold down W until we are where we want to be
+        MovementManager.moveTowardsBlock(to);
+        return Minecraft.getMinecraft().player.getPosition0().equals(to);
+    }
+}