First commit

pathfinding/goals/GoalRunAway.java

@@ -0,0 +1,52 @@
+/*
+ * 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.goals;
+
+import java.util.Arrays;
+import net.minecraft.util.math.BlockPos;
+
+/**
+ *
+ * @author leijurv
+ */
+public class GoalRunAway implements Goal {
+    public final BlockPos[] from;
+    final double distanceSq;
+    public GoalRunAway(double distance, BlockPos... from) {
+        if (from.length == 0) {
+            throw new IllegalArgumentException();
+        }
+        this.from = from;
+        this.distanceSq = distance * distance;
+    }
+    @Override
+    public boolean isInGoal(BlockPos pos) {
+        for (BlockPos p : from) {
+            int diffX = pos.getX() - p.getX();
+            int diffZ = pos.getZ() - p.getZ();
+            double distSq = diffX * diffX + diffZ * diffZ;
+            if (distSq < distanceSq) {
+                return false;
+            }
+        }
+        return true;
+    }
+    @Override
+    public double heuristic(BlockPos pos) {//mostly copied from GoalBlock
+        double min = Double.MAX_VALUE;
+        for (BlockPos p : from) {
+            double h = GoalXZ.calculate(p.getX() - pos.getX(), p.getZ() - pos.getZ());
+            if (h < min) {
+                min = h;
+            }
+        }
+        return -min;
+    }
+    @Override
+    public String toString() {
+        return "GoalRunAwayFrom[" + Arrays.asList(from) + "]";
+    }
+}