GameCodingCompleteLinux/Source/GCC4/UserInterface/HumanView.h

#pragma once
//========================================================================
// HumanView.h : Defines the HumanView class of the GameCode4 application
//
// Part of the GameCode4 Application
//
// GameCode4 is the sample application that encapsulates much of the source code
// discussed in "Game Coding Complete - 4th Edition" by Mike McShaffry and David
// "Rez" Graham, published by Charles River Media. 
// ISBN-10: 1133776574 | ISBN-13: 978-1133776574
//
// If this source code has found it's way to you, and you think it has helped you
// in any way, do the authors a favor and buy a new copy of the book - there are 
// detailed explanations in it that compliment this code well. Buy a copy at Amazon.com
// by clicking here: 
//    http://www.amazon.com/gp/product/1133776574/ref=olp_product_details?ie=UTF8&me=&seller=
//
// There's a companion web site at http://www.mcshaffry.com/GameCode/
// 
// The source code is managed and maintained through Google Code: 
//    http://code.google.com/p/gamecode4/
//
// (c) Copyright 2012 Michael L. McShaffry and David Graham
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser GPL v3
// as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See 
// http://www.gnu.org/licenses/lgpl-3.0.txt for more details.
//
// You should have received a copy of the GNU Lesser GPL v3
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
//========================================================================

#include "../GameCode4/interfaces.h"
#include "../EventManager/Events.h"
#include "../Graphics3D/SceneNodes.h"
#include "../Graphics3D/MovementController.h"
#include "UserInterface.h"

//
// class HumanView - Chapter 10, page 272
//
// This is a view onto the game - which includes anything visual or audible.
// It gets messages about the changes in game state.
//

class HumanView : public IGameView
{
	friend class GameCodeApp;

protected:
	GameViewId m_ViewId;
	ActorId m_ActorId;

	uint64_t m_currTick;	// time right now
	uint64_t m_lastDraw;	// last time the game rendered
	bool m_runFullSpeed;	// set to true if you want to run full speed

	BaseGameState m_BaseGameState;					// Added post-press - what is the current game state

	virtual void VRenderText() { };

public:
    bool LoadGame(TiXmlElement* pLevelData);
protected:
    virtual bool VLoadGameDelegate(TiXmlElement* pLevelData) {   VPushElement(m_pScene);  return true; }

public:
	// Implement the IGameView interface, except for the VOnRender() method, which is renderer specific
	virtual int VOnRestore();
	// virtual HRESULT VOnLostDevice();
	virtual void VOnRender(double fTime, float fElapsedTime);
	virtual GameViewType VGetType() { return GameView_Human; }
	virtual GameViewId VGetId() const { return m_ViewId; }

	virtual void VOnAttach(GameViewId vid, ActorId aid)
	{
		m_ViewId = vid; 
		m_ActorId = aid;
	}
	virtual int VOnMsgProc( SDL_Event &e );
	virtual void VOnUpdate(const int deltaMilliseconds );

	// Virtual methods to control the layering of interface elements
	virtual void VPushElement(std::shared_ptr<IScreenElement> pElement);
	virtual void VRemoveElement(std::shared_ptr<IScreenElement> pElement);

	virtual ~HumanView();
	HumanView(std::shared_ptr<IRenderer> renderer);

	ScreenElementList m_ScreenElements;						// a game screen entity

	// Interface sensitive objects
	std::shared_ptr<IPointerHandler> m_PointerHandler;
	int m_PointerRadius;
	std::shared_ptr<IKeyboardHandler> m_KeyboardHandler;

	// Added post press
	std::shared_ptr<ScreenElementScene> m_pScene;
	std::shared_ptr<CameraNode> m_pCamera;

	// Added post press - this helps the network system attach views to the right actor.
	virtual void VSetControlledActor(ActorId actorId) { m_ActorId = actorId; }
	
	// Event delegates
	void PlaySoundDelegate(IEventDataPtr pEventData);	
	void GameStateDelegate(IEventDataPtr pEventData);

private:
    void RegisterAllDelegates(void);
    void RemoveAllDelegates(void);
};