slimes can now get aggro and follow you (and stop following you if you ran away)

src/de/miaurizius/jgame2d/entity/Entity.java

@@ -334,5 +334,46 @@ public class Entity {
             }
         } else onPath = false;
     }
+    public void followPlayer(int goalCol, int goalRow) {
+        int startCol = (worldX + solidArea.x) / panel.tileSize;
+        int startRow = (worldY + solidArea.y) / panel.tileSize;
+
+        panel.pFinder.setNodes(startCol, startRow, goalCol, goalRow);
+
+        if (panel.pFinder.search()) {
+            int nextCol = panel.pFinder.pathList.getFirst().col;
+            int nextRow = panel.pFinder.pathList.getFirst().row;
+
+            int enLeftX = worldX + solidArea.x;
+            int enTopY = worldY + solidArea.y;
+
+            int targetX = nextCol * panel.tileSize;
+            int targetY = nextRow * panel.tileSize;
+
+            // UP
+            if (nextRow < startRow) {
+                if (enLeftX < targetX) direction = Direction.RIGHT;
+                else if (enLeftX > targetX) direction = Direction.LEFT;
+                else direction = Direction.UP;
+            }
+            // DOWN
+            else if (nextRow > startRow) {
+                if (enLeftX < targetX) direction = Direction.RIGHT;
+                else if (enLeftX > targetX) direction = Direction.LEFT;
+                else direction = Direction.DOWN;
+
+            }
+            else if (nextCol < startCol) { // DOWN LEFT
+                if (enTopY < targetY) direction = Direction.DOWN;
+                else if (enTopY > targetY) direction = Direction.UP;
+                else direction = Direction.LEFT;
+            }
+            else if (nextCol > startCol) { // RIGHT
+                if (enTopY < targetY) direction = Direction.DOWN;
+                else if (enTopY > targetY) direction = Direction.UP;
+                else direction = Direction.RIGHT;
+            }
+        }
+    }
 
 }

src/de/miaurizius/jgame2d/entity/monster/GreenSlimeMON.java

@@ -35,8 +35,24 @@ public class GreenSlimeMON extends Entity {
         getImage();
     }
 
+    @Override
+    public void update() {
+        super.update();
+        int dx = Math.abs(worldX - panel.player.worldX);
+        int dy = Math.abs(worldY - panel.player.worldY);
+        int dTile = (dx+dy)/panel.tileSize;
+        if(!onPath && dTile < 5) if(new Random().nextInt(100)+1 > 50) onPath = true;
+        if(onPath && dTile > 20) onPath = false;
+    }
+
     // INTERACTION
     public void setAction() {
+
+        if(onPath) {
+            searchPath((panel.player.worldX+panel.player.solidArea.x)/panel.tileSize, (panel.player.worldY+panel.player.solidArea.y)/panel.tileSize);
+            return;
+        }
+
         actionLock++;
 
         if(actionLock == 120) { //lock action for x frames
@@ -57,7 +73,7 @@ public class GreenSlimeMON extends Entity {
     }
     public void damageReaction() {
         actionLock = 0;
-        direction = panel.player.direction;
+        onPath = true;
     }
     public void checkDrop() {
         int i = new Random().nextInt(100)+1;

src/de/miaurizius/jgame2d/entity/npc/OldManNPC.java

@@ -5,6 +5,7 @@ import de.miaurizius.jgame2d.core.GamePanel;
 import de.miaurizius.jgame2d.core.enums.EntityType;
 import de.miaurizius.jgame2d.entity.Entity;
 
+import java.awt.*;
 import java.util.Random;
 
 public class OldManNPC extends Entity {