Diff: CrusherObject.cpp

Revision:

7:e72691603fd3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CrusherObject.cpp	Sat Jun 08 16:44:54 2013 +0000
@@ -0,0 +1,77 @@
+/*
+ * SOURCE FILE : CrusherObject.cpp
+ *
+ * Represents a big square robot that crushes humans.
+ *
+ */
+
+#include "CrusherObject.h"
+#include "Gameduino.h"
+#include "FrameCounter.h"
+#include "ArenaConst.h"
+#include "Animations.h"
+#include "Walker.h"
+
+/***************/
+/* CONSTRUCTOR */
+/***************/
+CrusherObject::CrusherObject() :
+  animationData( Animations::CrusherAnimation ),
+    stunCountdown( 0 ),
+    stunFrameCount( 0 )
+{
+  // Initialise horizontal and vertical speeds.
+    Walker::InitialiseVelocities( &hSpeed, &vSpeed );
+  // Movement is always restricted (property of GameObject).
+  MovementRestricted = true;
+  // Restrict to boundary of arena.
+  Bounds = &ArenaRectangle;
+    // Crushers are indestructable.
+    HitPoints = Indestructable;
+    // Crushers squash humans.
+    SquashesHumans = true;
+}
+
+/**************/
+/* DESTRUCTOR */
+/**************/
+CrusherObject::~CrusherObject() {
+}
+
+/************************/
+/* MOVE THE GAME OBJECT */
+/************************/
+void CrusherObject::ProtectedMove( void ) {
+    if( stunCountdown > 0 ) {
+        stunCountdown--;
+    }
+    else {    
+        Walker::Walk( &Xco, &Yco, &hSpeed, &vSpeed, RestrictionFlags );
+    }
+}
+
+/************************/
+/* DRAW THE GAME OBJECT */
+/************************/
+// Pass pointer to Gameduino to draw on in gd.
+// This is only called after it has been established that the
+// game object is visible.
+void CrusherObject::Draw( Gameduino *gd ) {
+    // Only update stunFrameCount when not stunned.
+    // This halts animation when in stunned state.
+    if( stunCountdown == 0 ) {
+        stunFrameCount = FrameCounter >> 3;
+    }
+    Walker::Draw( gd, SpriteNumber, Xco, Yco, hSpeed, stunFrameCount, animationData );
+}
+
+/********************************************/
+/* INFORM ENEMY IT HAS BEEN HIT BY A BULLET */
+/********************************************/
+// Default implementation does nothing but if special behaviour
+// is required in a derived class then this should be overridden.
+// Note that this does NOT deal with determining if the enemy is dead or not.
+// An enemy ALWAYS dies if HitPoints reaches zero.
+void CrusherObject::RegisterHitByBullet( void ) {
+    stunCountdown = 10;
+}