fixed error where placing stays as status

res/levels/waves.txt

@@ -3,19 +3,3 @@
 2,delay,2500
 2,spawn,20,slicer,750
 3,spawn,5,superslicer,1000
-4,spawn,5,slicer,500
-4,delay,1000
-4,spawn,5,superslicer,500
-5,spawn,50,slicer,500
-5,delay,1000
-5,spawn,5,megaslicer,1000
-6,spawn,25,superslicer,500
-6,spawn,10,megaslicer,100
-6,delay,5000
-6,spawn,3,apexslicer,3000
-6,spawn,3,apexslicer,3000
-7,spawn,20,superslicer,250
-7,delay,1750
-7,spawn,10,megaslicer,2000
-7,delay,500
-7,spawn,5,apexslicer,1500
\ No newline at end of file

src/ShadowDefend.java

@@ -421,9 +421,11 @@ public class ShadowDefend extends AbstractGame {
                 // Create image of tank and set wave state to Placing
                 placingIcon = new Image(TANK_FILE);
                 placedImage = "tank";
+                if(waveState != 2){
                     prevWaveState = waveState;
                     waveState = 2;
                 }
+            }
 
             // Checks if mouse above the super tank icon when left clicked and if enough gold
             if(stankIcon.getBoundingBoxAt(new Point(184,(shop.getHeight()/2)-10)).intersects(input.getMousePosition())
@@ -431,9 +433,11 @@ public class ShadowDefend extends AbstractGame {
                 // Create image of super tank and set wave state to Placing
                 placingIcon = new Image(STANK_FILE);
                 placedImage = "stank";
+                if(waveState != 2){
                     prevWaveState = waveState;
                     waveState = 2;
                 }
+            }
 
             // Checks if mouse above the plane icon when left clicked and if enough gold
             if(planeIcon.getBoundingBoxAt(new Point(304,(shop.getHeight()/2)-10)).intersects(input.getMousePosition())
@@ -441,9 +445,12 @@ public class ShadowDefend extends AbstractGame {
                 // Create image of plane and set wave state to Placing
                 placingIcon = new Image(PLANE_FILE);
                 placedImage = "plane";
+                if(waveState != 2){
                     prevWaveState = waveState;
                     waveState = 2;
                 }
+
+            }
         }
 
         // User has selected an icon