Diff: OneShotObject.h

Revision:

8:82d88f9381f3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OneShotObject.h	Sat Jun 08 17:51:33 2013 +0000
@@ -0,0 +1,96 @@
+/*
+ * SOURCE FILE : OneShotObject.h
+ *
+ * Base class for all objects that do not move and play an animation once before vanishing.
+ * Useful for explosions and popup scores.
+ *
+ */
+
+#ifndef OneShotObjectIncluded
+  
+  #define OneShotObjectIncluded
+
+  #include "GameObject.h"
+  #include "SpriteImageId.h"
+  
+  class OneShotObject : public GameObject {
+    
+  public :
+
+    /***************/
+    /* CONSTRUCTOR */
+    /***************/
+    OneShotObject() :
+      imageNumber( Explosion0Image ),
+      firstImageNumber( Explosion0Image ),
+      lastImageNumber( Explosion9Image ),
+      maxCountdown( 7 ),
+      imageCountdown( 7 )
+    {
+      MovementRestricted = false;
+      DeleteWhenRestricted = false;
+    }
+
+    /**************/
+    /* DESTRUCTOR */
+    /**************/
+    virtual ~OneShotObject() {
+    }
+    
+    /**************************************************************/
+    /* SET RANGE OF SPRITE IMAGES TO USE AND DELAY FOR EACH IMAGE */
+    /**************************************************************/
+    // Pass first sprite image used in first.
+    // Pass last sprite image used in last.
+    // Pass delay count between images in count.
+    void SetImageRange( UInt8 first, UInt8 last, UInt8 count ) {
+      firstImageNumber = first;
+      lastImageNumber = last;
+      maxCountdown = count;
+      Restart();
+    }
+    
+    /************************/
+    /* MOVE THE GAME OBJECT */
+    /************************/
+    virtual void ProtectedMove( void );
+
+    /************************/
+    /* DRAW THE GAME OBJECT */
+    /************************/
+    // This is only called after it has been established that the
+    // game object is visible.
+    virtual void Draw( Gameduino *gd ) {
+      gd->sprite( SpriteNumber, ToPixel( Xco ), ToPixel( Yco ), imageNumber, 0, Gameduino::None, GoodGuy );
+    }
+
+    /****************************/
+    /* RESTART FROM FIRST IMAGE */
+    /****************************/
+    void Restart( void ) {
+      imageNumber = firstImageNumber;
+      imageCountdown = maxCountdown;
+      Visible = true;
+    }
+    
+  private :
+  
+    // Image number currently in use.
+    UInt8 imageNumber;
+    
+    // Image numbers of first and last images.
+    UInt8 firstImageNumber, lastImageNumber;
+    
+    // Maximum countdown to next image change.
+    // Determines speed of explosion animation.
+    UInt8 maxCountdown;
+    
+    // Countdown to next image.
+    UInt8 imageCountdown;
+
+  };
+    
+#endif
+
+/* END of OneShotObject.h */
+