?? tankwar.cpp

?? 一個另類的坦克大戰源程序
?? CPP
字號:
//==================================================================
//TankWar.cpp :
//	該文件由Window Games Engine SDK向導生成
//------------------------------------------------------------------

#include "stdafx.h"	//引用預編譯頭文件,注意每個CPP文件都應該引用它
#include "TankWar.h"
#include "TWorld.h"
#include "TBonus.h"
#include "TObstacle.h"
#include "TTank.h"
#include "TBullet.h"
#include "TExplode.h"


///////////定義公共變量////////////////

/////////////////////////////
//WGE公共變量

LPSTR TITLE		=	"坦克大戰II";			//游戲窗口標題

LPSTR ICON		=	(LPSTR)IDI_TANKWAR;		//游戲窗口的圖標

LPSTR NAME		=	"TANKWAR";				//游戲窗口類名

//////////////////////////
//全局共公變量

EMusic g_back_music;			//背景音樂

GAME_STATUS g_game_status;		//游戲狀態

EDataFile * g_pData=NULL;		//數據包文件指針

EPG g_epg_msg;					//GAME OVER 和 任務完成

//////////////////////////////
//主菜單資源

ESurface surfaceBack;	//菜單背景
EPG epgMenu,epgInfo;	//菜單項和游戲介紹圖像
ESound soundSelect;		//選擇菜單的音效

//////////////////////////////////////////////////////
//主菜單

void MainMenu()
{
	static BOOL bLoaded=FALSE;	//已經加載資源標志

	//如果沒有加載菜單資源，則現在加載
	if(bLoaded==FALSE)
	{
		VERIFY(g_back_music.LoadMidi(MEDIA("加載.mid"),g_pData));
		g_back_music.SetRepeats(99999);
		g_back_music.Play();

		VERIFY(surfaceBack.LoadBMP(MEDIA("背景.bmp"),NULL,g_pData));
		VERIFY(epgMenu.Load(MEDIA("主菜單.epg"),g_pData));
		VERIFY(epgInfo.Load(MEDIA("游戲介紹.epg"),g_pData));

		VERIFY(soundSelect.LoadWave(MEDIA("菜單選擇.wav"),1,NULL,g_pData));

		bLoaded = TRUE;
	}

	//畫背景
	WGE_Surface.Blt(surfaceBack,0,0);
	
	if(g_game_status == GAME_MAINMENU)
	{
		//選擇菜單

		INT nItemIndex[3]={3,4,5};	//菜單項在EPG文件中的索引值

		static int nCurSel = 0;		//當前選擇的菜單項

		nItemIndex[nCurSel] -= 3;	//修改選擇項的索引值

		//計算菜單顯示位置，然后顯示菜單

		int x ,y;
		x = (400-110)/2;
		y = (300-30)/2;

		WGE_Surface.Blt(epgMenu,nItemIndex[0],x,y-32);
		WGE_Surface.Blt(epgMenu,nItemIndex[1],x,y);
		WGE_Surface.Blt(epgMenu,nItemIndex[2],x,y+32);


		//處理按鍵

		if(WGE_Input.Key()[DIK_DOWN])
		{
			//播放音效
			soundSelect.Play();

			//等待0.2秒
			DWORD dwTick = GetTickCount();
			while(GetTickCount()-dwTick < 200);

			//然后改變當前選擇項
			++nCurSel%=3;
		}
		else if(WGE_Input.Key()[DIK_UP])
		{
			//播放音效
			soundSelect.Play();

			//等待0.2秒
			DWORD dwTick = GetTickCount();
			while(GetTickCount()-dwTick < 200);

			//然后改變當前選擇項
			--nCurSel;
			if(nCurSel<0)
				nCurSel = 2;

		}else if(WGE_Input.Key()[DIK_RETURN])
		{
			//播放音效
			soundSelect.Play();

			//等待0.2秒
			DWORD dwTick = GetTickCount();
			while(GetTickCount()-dwTick < 200);
			
			//處理選擇
			if(nCurSel == 0){
				//選擇了 - 開始游戲，則刪除菜單資源
				while(soundSelect.Playing());
				surfaceBack.Destroy();
				epgMenu.Destroy();
				epgInfo.Destroy();
				soundSelect.Destroy();

				//設置菜單資源加載標志
				bLoaded = FALSE;

				//然后開始加載游戲資源
				g_game_status = GAME_LOADING;

			}else if(nCurSel == 1)
			{
				//選擇了 - 游戲介紹，則進入游戲介紹
				g_game_status = GAME_SHOWINFO;

			}else if(nCurSel == 2)
			{
				//選擇了 - 退出游戲
				g_game_status=GAME_QUIT;
			}
		}
	}else if(g_game_status == GAME_SHOWINFO)
	{
		//顯示游戲介紹
		
		//讓alpha值從0變到256
		static int a=0;
		a++;
		if(a>256) a = 256;

		//顯示游戲介紹
		WGE_Surface.Blt(epgInfo,0,0,0,a);

		//如果按了回車鍵，則返回主菜單
		if(WGE_Input.Key()[DIK_RETURN])
		{
			//等待0.2秒
			DWORD dwTick = GetTickCount();
			while(GetTickCount()-dwTick < 200);

			//返回主菜單
			g_game_status = GAME_MAINMENU;
			
			//為下一次顯示游戲介紹恢復alpha值為0
			a = 0;
		}
	}
}

////////////////////////////////////
//顯示加載信息
void ShowLoading(LPSTR msg)
{
	//清屏
	WGE_Surface.Clear(0,0,0);

	//顯示信息
	WGE_Surface.SetDrawColor(0,255,0);
	WGE_Surface.OutTextXY(120,100,msg);

	//調用EScreen的Update()函數把WGE_Surface中的圖像顯示到屏幕上
	WGE_pScreen->Update();

	//然后等待0.3秒，不然看不到加載信息
	DWORD dwCurrentTick = GetTickCount();
	while(GetTickCount()-dwCurrentTick<300);
}

BOOL GameLoading()
{
	//加載漢字"任務完成"和"任務失敗"
	VERIFY(g_epg_msg.Load(MEDIA("文字.epg"),g_pData));

	//加載地形和圖標文件
	ShowLoading("Loading terrain resources");
	VERIFY(TWorld::LoadTerrainPicture(MEDIA("terrains.grp"),g_pData));
	VERIFY(TWorld::LoadIconPicture(MEDIA("坦克圖標.epg"),0,g_pData));
	VERIFY(TWorld::LoadIconPicture(MEDIA("金錢圖標.epg"),1,g_pData));
	VERIFY(TWorld::LoadIconPicture(MEDIA("防護圖標.epg"),2,g_pData));


	//加載獎勵圖像和聲音
	ShowLoading("Loading bonus resources");
	VERIFY(TBonus::LoadPicture(MEDIA("金錢.epg"),BONUS_MONEY,g_pData));
	VERIFY(TBonus::LoadPicture(MEDIA("經驗物品.epg"),BONUS_EXPER,g_pData));
	VERIFY(TBonus::LoadPicture(MEDIA("恢復物品.epg"),BONUS_RECOVER,g_pData));
	VERIFY(TBonus::LoadSound(MEDIA("獲得物品.wav"),0,g_pData));

	//加載障礙物圖像
	ShowLoading("Loading obstacle resources");
	VERIFY(TObstacle::LoadPicture(MEDIA("木箱.epg"),OBSTACLE_BOX,g_pData));
	VERIFY(TObstacle::LoadPicture(MEDIA("邪惡源.epg"),OBSTACLE_END,g_pData));

	//加載玩家坦克圖像
	ShowLoading("Loading player resources");
	VERIFY(TPlayerTank::LoadPicture(MEDIA("青銅坦克.epg"),GREEN_TANK,g_pData));
	VERIFY(TPlayerTank::LoadPicture(MEDIA("白銀坦克.epg"),WHITE_TANK,g_pData));
	VERIFY(TPlayerTank::LoadPicture(MEDIA("黃金坦克.epg"),GOLD_TANK,g_pData));

	//加載NC坦克圖像
	ShowLoading("Loading NC tank resources");
	VERIFY(TEnemyTank::LoadPicture(MEDIA("雙彈坦克.epg"),DOUBLE_MISSILE_TANK,g_pData));
	VERIFY(TEnemyTank::LoadPicture(MEDIA("單彈坦克.epg"),SINGLE_MISSILE_TANK,g_pData));
	VERIFY(TEnemyTank::LoadPicture(MEDIA("火坦克.epg"),FIRE_TANK,g_pData));

	//加載子彈圖像和音效
	ShowLoading("Loading bullet resources");
	VERIFY(TBullet::LoadPicture(MEDIA("雙導彈.epg"),DMISSILE,g_pData));
	VERIFY(TBullet::LoadPicture(MEDIA("單導彈.epg"),SMISSILE,g_pData));
	VERIFY(TBullet::LoadPicture(MEDIA("光彈.epg"),LIGHT,g_pData));
	VERIFY(TBullet::LoadPicture(MEDIA("火彈.epg"),FIRE,g_pData));

	VERIFY(TBullet::LoadSound(MEDIA("導彈.wav"),0,g_pData));
	VERIFY(TBullet::LoadSound(MEDIA("火彈.wav"),1,g_pData));
	VERIFY(TBullet::LoadSound(MEDIA("光彈.wav"),2,g_pData));

	//加載爆炸效果圖像和音效
	ShowLoading("Loading explode resources");
	VERIFY(TExplode::LoadPicture(MEDIA("坦克爆炸.epg"),0,g_pData));
	VERIFY(TExplode::LoadPicture(MEDIA("導彈爆炸.epg"),1,g_pData));
	VERIFY(TExplode::LoadPicture(MEDIA("火彈爆炸.epg"),2,g_pData));
	VERIFY(TExplode::LoadPicture(MEDIA("木箱爆炸2.epg"),3,g_pData));

	VERIFY(TExplode::LoadSound(MEDIA("爆炸1.wav"),0,g_pData));
	VERIFY(TExplode::LoadSound(MEDIA("爆炸2.wav"),1,g_pData));

	//創建游戲世界
	if(g_world.CreateWorld(g_pData)==FALSE)
		return FALSE;

	return TRUE;
}

void ExitGame()
{
	//在此加入游戲代碼
	g_epg_msg.Destroy();

	surfaceBack.Destroy();
	epgMenu.Destroy();
	epgInfo.Destroy();
	soundSelect.Destroy();

	TBonus::Destroy();
	TObstacle::Destroy();
	TPlayerTank::Destroy();
	TEnemyTank::Destroy();
	TBullet::Destroy();
	TExplode::Destroy();

	g_back_music.Destroy();
	g_world.DestroyWorld();
	TWorld::DestroyResource();

	//關閉數據包資源
	if(g_pData) 
		delete g_pData;

	//以下內容不要刪除
	EAudio::Destroy();
	WGE_Input.Destroy();
}

BOOL InitGame()
{

	int width = 400;		//屏幕寬度

	int height = 300;		//屏幕高度
	
	//設置游戲屏幕顯示模式

	if(WGE_pScreen->CreateScreenDisplay(width,height,TV_MODE))
		TRACE(0,"SELECT TV_MODE");
	else if(WGE_pScreen->CreateScreenDisplay(width,height,GDI_MODE))
		TRACE(0,"SELECT GDI_MODE");
	else
	{
		MessageBox(NULL,"設置顯示模式錯誤","錯誤",MB_OK);
		return FALSE;
	}
	

	//初始化聲音
	EAudio::Init();

	//初始化鍵盤和鼠標設備
	WGE_Input.Init(IDF_NONEXCLUSIVE|IDF_FOREGROUND,NULL);

	//以下加入游戲初始化代碼

	//用黑色清除屏幕
	WGE_Surface.Clear(0,0,0);

	//打開數據包文件
	TRACE(0,"打開數據包文件gamedata.gdp");
	g_pData = NEW EDataFile;
	if(g_pData->Open("gamedata.gdp")==FALSE)
	{
		MessageBox(NULL,"打開gamedata.gdp錯誤","錯誤",MB_OK);
		delete g_pData;
		return FALSE;
	}

	//設置游戲狀態為主菜單
	g_game_status = GAME_MAINMENU;
	return TRUE;
}

BOOL GameLoop()
{
	WGE_Input.GetKeyboardState();	//讀取鍵盤狀態

	//以下加入游戲代碼
	
	if(g_game_status == GAME_PLAY)
	{
		g_world.Move();
		g_world.DrawWorld();
	}else if(g_game_status == GAME_QUIT){
		//退出游戲
		return FALSE;
	}else if(g_game_status == GAME_LOADING){
		//加載游戲資源
		return GameLoading();
	}else if(g_game_status == GAME_OVER){

		//游戲結束
		g_world.Move();
		g_world.DrawWorld();
		static int i=0;
		if(i>255) i=255;
		WGE_Surface.Blt(g_epg_msg,1,0,0,i+=2);

		//等待10秒然后回到主菜單
		static DWORD dwTick ;
		if(dwTick==0) dwTick = GetTickCount();
		if(GetTickCount()-dwTick > 10000)
		{
			g_world.DestroyWorld();
			g_game_status = GAME_MAINMENU;
			dwTick = 0;
		}
	}else if(g_game_status==GAME_STAGECLEAR)
	{
		//過關，進入下一關
		g_world.Move();
		g_world.DrawWorld();
		
		static int i=0;
		if(i>255) i=255;
		WGE_Surface.Blt(g_epg_msg,0,0,0,i+=2);
		//等待10秒然后回到主菜單
		static DWORD dwTick ;
		if(dwTick==0) dwTick = GetTickCount();
		if(GetTickCount()-dwTick > 10000)
		{
			if(g_world.NextStage(g_pData)==FALSE)
				return FALSE;
			dwTick = 0;
		}
	}else if(g_game_status == GAME_MAINMENU||g_game_status==GAME_SHOWINFO)
	{
		//進入主菜單
		MainMenu();
	}
	return TRUE;
}
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?? tankwar.cpp

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