TSH&R-PC

1 files changed, 94 insertions, 0 deletions

diff --git a/game/code/contexts/context.h b/game/code/contexts/context.h
new file mode 100644
index 0000000..b4435cb
--- /dev/null
+++ b/game/code/contexts/context.h
@@ -0,0 +1,94 @@
+//=============================================================================
+// Copyright (C) 2002 Radical Entertainment Ltd.  All rights reserved.
+//
+// File:        context.h
+//
+// Description: Context base class declaration.
+//
+// History:     + Stolen and cleaned up from Penthouse -- Darwin Chau
+//
+//=============================================================================
+
+#ifndef CONTEXT_H
+#define CONTEXT_H
+
+//========================================
+// System Includes
+//========================================
+
+//========================================
+// Project Includes
+//========================================
+#include <contexts/contextenum.h>
+#include <events/eventlistener.h>
+
+//========================================
+// Forward References
+//========================================
+
+//=============================================================================
+//
+// Synopsis:    This is the Context Controller base class. It will be used as
+//              a base class for all context controllers in the game, such as
+//              PlayContext and PauseContext. These will
+//              be updated from the GameFlow.
+//
+//=============================================================================
+class Context : public EventListener
+{
+    public:
+
+        void DestroyInstance();
+
+        // gameflow should call these functions to manipulate the context controller; 
+        // derived classes must NOT over-ride the following non-virtual functions; 
+        // these functions will call the corresponding protected virtual functions
+        void Start( ContextEnum previousContext );
+        void Stop( ContextEnum nextContext );
+        void Update( unsigned int elapsedTime );
+        
+        // The game must halt when the disc door is opened on the GameCube.
+        void Suspend();
+        void Resume();
+        bool IsSuspended() const {return m_state == S_SUSPENDED;};
+        
+        virtual void HandleEvent( EventEnum id, void* pEventData );
+
+    protected:
+
+        // constructor and destructor are protected to force singleton implementation
+        Context();
+        virtual ~Context();
+
+        // derived classes MUST over-ride the following virtual functions to implement 
+        // custom behaviour; these functions are called by the corresponding public 
+        // non-virtual functions
+        virtual void OnStart( ContextEnum previousContext ) = 0;
+        virtual void OnStop( ContextEnum nextContext ) = 0;
+        virtual void OnUpdate( unsigned int elapsedTime ) = 0;
+        
+        virtual void OnSuspend() = 0;
+        virtual void OnResume() = 0;
+
+        virtual void OnHandleEvent( EventEnum id, void* pEventData ) = 0;
+
+        enum StateEnum
+        {
+            S_NONE, 
+            S_READY, 
+            S_ACTIVE, 
+            S_SUSPENDED, 
+            S_EXIT, 
+            MAX_STATES
+        };
+        
+        StateEnum m_state;
+
+    private:
+
+        // Declared but not defined to prevent copying and assignment.
+        Context( const Context& );
+        Context& operator=( const Context& );
+};
+
+#endif