gamecodebook/Chapter10/Game.h

// ----------------------------------------------------------------
// From Game Programming in C++ by Sanjay Madhav
// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
// 
// Released under the BSD License
// See LICENSE in root directory for full details.
// ----------------------------------------------------------------

#pragma once
#include <SDL/SDL.h>
#include <unordered_map>
#include <string>
#include <vector>
#include "Math.h"
#include "SoundEvent.h"

class Game
{
public:
	Game();
	bool Initialize();
	void RunLoop();
	void Shutdown();

	void AddActor(class Actor* actor);
	void RemoveActor(class Actor* actor);

	class Renderer* GetRenderer() { return mRenderer; }
	class AudioSystem* GetAudioSystem() { return mAudioSystem; }
	class PhysWorld* GetPhysWorld() { return mPhysWorld; }
	
	// Game-specific
	void AddPlane(class PlaneActor* plane);
	void RemovePlane(class PlaneActor* plane);
	std::vector<class PlaneActor*>& GetPlanes() { return mPlanes; }
private:
	void ProcessInput();
	void HandleKeyPress(int key);
	void UpdateGame();
	void GenerateOutput();
	void LoadData();
	void UnloadData();
	
	// All the actors in the game
	std::vector<class Actor*> mActors;
	// Any pending actors
	std::vector<class Actor*> mPendingActors;

	class Renderer* mRenderer;
	class AudioSystem* mAudioSystem;
	class PhysWorld* mPhysWorld;

	Uint32 mTicksCount;
	bool mIsRunning;
	// Track if we're updating actors right now
	bool mUpdatingActors;

	// Game-specific code
	std::vector<class PlaneActor*> mPlanes;
	class FPSActor* mFPSActor;
	class SpriteComponent* mCrosshair;
	SoundEvent mMusicEvent;
};