Diff: BulletManager.h

Revision:

4:673eb9735d44

Child:

5:0b0651ac7832

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BulletManager.h	Sat Jun 08 11:24:05 2013 +0000
@@ -0,0 +1,73 @@
+/*
+ * SOURCE FILE : BulletManager.h
+ *
+ * Responsible for managing a collection of bullets.
+ *
+ */
+
+#ifndef BulletManagerIncluded
+  
+  #define BulletManagerIncluded
+  
+  #include "Types.h"
+  #include "BulletObject.h"
+  
+  class BulletManager {
+  
+  public :
+
+    enum {
+      MaxBullets = 20,    // maximum number of bullets on the go at one tine.
+    };
+    
+    /***************/
+    /* CONSTRUCTOR */
+    /***************/
+    // Pass number of sprite to use for first bullet.
+    // MaxBullets consequtive sprites will be used for bullets.
+    BulletManager( UInt8 firstSpriteNumber );
+    
+    /**********************/
+    /* START A BULLET OFF */
+    /**********************/
+    // Pass start coordinates in x and y (NOT pixel coordinates).
+    // Pass bullet velocities in hv and vv (NOT pixel velocities).
+    // Returns true if bullet was started successfully.
+    bool StartBullet( Int16 x, Int16 y, Int16 hv, Int16 vv );
+    
+    /************************/
+    /* KILL A SINGLE BULLET */
+    /************************/
+    // Pass index of bullet in b.
+    void KillBullet( UInt8 b );
+
+    /********************/
+    /* KILL ALL BULLETS */
+    /********************/
+    void KillAllBullets( void );
+    
+    /************************************************/
+    /* GET ARRAY CONTAINING POINTERS TO ALL BULLETS */
+    /************************************************/
+    // Returns pointer to array of GameObject pointers.
+    // The array has BulletManager::MaxBullets pointers in it.
+    GameObject **GetBullets( void ) {
+      return bulletPointers;
+    }
+    
+  private :
+
+    // All the bullets.
+    BulletObject bullets[ MaxBullets ];
+
+    // Pointers to all the bullets.
+    // Entries in this array will be NULL for bullets that are not active.
+    // When bullet is active it will point to the corresponding entry in the bullets array.
+    GameObject *bulletPointers[ MaxBullets ];
+    
+  };
+  
+#endif
+
+/* END of BulletManager.h */
+