3.3 Scripted Intro

这个程序通过简单的命令脚本实现了游戏开头的一些图片和音乐动作的组织.

 

工程文件在:

 

http://d.download.csdn.net/down/2994385/worm003

 

 

以下是脚本部分的代码,比较上一个版本有些许改进

 

 

 

 

#define COMMAND_DRAWBITMAP "DrawBitmap"#define COMMAND_PLAYSOUND "PlaySound"#define COMMAND_PAUSE "Pause"#define COMMAND_FOLDCLOSEEFFECTY "FoldCloseEffectY"#define COMMAND_FOLDCLOSEEFFECTX "FoldCloseEffectX"#define COMMAND_WAITFORKEYPRESS "WaitForKeyPress"#define COMMAND_EXIT "Exit"//在内存中存放脚本vector<string> script;bool flagExit=false;/*函数名:LoadScript功能:读入脚本 参数:fileName:文件名*/bool LoadScript(string fileName);/*函数名:UnloadScript功能:注销脚本 */bool UnloadScript();/*函数名:RunScript功能:运行脚本 */void RunScript();/*函数名:GetCurrentScript功能:得到当前行的脚本 参数:currentLine:当前行的脚本*/void GetCurrentScript(string& currentLine);/*函数名:GetCommand功能:得到当前行的脚本的命令参数:currentScript:当前行的脚本返回值:得到当前行的脚本的命令*/string GetCommand( string& currentScript);/*函数名:GetIntParam功能:得到当前行的脚本的int参数参数:currentScript:当前行的脚本返回值:得到当前行的脚本的int参数*/int GetIntParam( string& currentScript);/*函数名:GetStringParam功能:得到当前行的脚本的string参数参数:currentScript:当前行的脚本返回值:得到当前行的脚本的string参数*/string GetStringParam( string& currentScript);/*函数名:DeleteSpaces功能:删除当前字符串最前面的任意数量的空格和Tab符号参数:str: 任意字符串*/void DeleteSpaces(string& str);void DeleteSpaces(string& currentScript){//去掉空格和/twhile ( (currentScript[0]==' ') || (currentScript[0]=='/t')){if(currentScript[0]==' ')currentScript.erase(0,1);else currentScript.erase(0,4);}}bool LoadScript(string fileName){ifstream file;//打开文件file.open(fileName.c_str());if(!file){cout<<"error: unable to open the file:"<<fileName<<endl;return false;}//加载到内存中while(!file.eof()){string line;getline(file,line);script.push_back(line);}//垃圾回收file.clear();file.close();return true;}bool UnloadScript(){//清空脚本script.erase(script.begin(),script.end());if(!script.empty())return false;return true;}void RunScript(){//脚本结束if(script.empty())return;string currentScript;GetCurrentScript(currentScript);//得到当前脚本的命令string command=GetCommand(currentScript);//根据命令不同,执行方式也不同if(command==COMMAND_DRAWBITMAP){//得到string参数string param=GetStringParam(currentScript);assert(currentScript.empty());assert(deleteImage(lpddsbuffer));assert(directImageLoad(lpddsbuffer,param.c_str()));assert(bltImage(lpddsbuffer,0,0));}else if(command == COMMAND_PLAYSOUND){//得到string参数string param=GetStringParam(currentScript);assert(currentScript.empty());assert(directSoundRelease());assert(directSoundLoad(param.c_str()));playSound();}else if(command == COMMAND_PAUSE){int loopNum=GetIntParam(currentScript);assert(currentScript.empty());Sleep(loopNum);}else if(command == COMMAND_FOLDCLOSEEFFECTY){assert(currentScript.empty());for(int Y = 0; Y < 240; ++ Y ){lockFrame ();for(int X = 0; X < 640; ++ X ){drawPoint ( 0, 0, 0, X, Y );drawPoint ( 0, 0, 0, X, 479 - Y );}unlockFrame();//W_BlitFrame ();Sleep ( 10 );}}else if(command == COMMAND_FOLDCLOSEEFFECTX){assert(currentScript.empty()); for ( int X = 0; X < 320; ++ X ){lockFrame ();for ( int Y = 0; Y < 480; ++ Y ){drawPoint ( 0, 0, 0, X, Y );drawPoint ( 0, 0, 0, 639 - X, Y );}unlockFrame ();//W_BlitFrame ();Sleep ( 10 );}}else if(command == COMMAND_EXIT){assert(currentScript.empty());flagExit=true;}else if(command == COMMAND_WAITFORKEYPRESS){assert(currentScript.empty());while(!getAnyKeyState()){getKbrdState();}// GetAsyncKeyState();//用directX自带的输入工具 direct Input 来解决 收藏夹中~ 哈哈哈哈哈//_kbhit returns a nonzero value if a key has been pressed. Otherwise, it returns 0.//while(!kbhit())//;}else{//错误命令//printf("/tError: Invalid command./n");}}void GetCurrentScript(string &currentLine){currentLine=script[0];script.erase(script.begin());}string GetCommand( string& currentScript){string command;for(size_t i=0;currentScript[i]!=' ' && i!=currentScript.size();++i)command.push_back(currentScript[i]);currentScript.erase(0,command.size());DeleteSpaces(currentScript);return command;}int GetIntParam( string& currentScript){string loopNumString;assert(isdigit(currentScript[0]));for(size_t i=0;i!=currentScript.size() && currentScript[i]!=' ' && currentScript[i]!='/t';++i){loopNumString.push_back(currentScript[i]);}int loopNum=atoi(loopNumString.c_str());currentScript.erase(0,loopNumString.size());DeleteSpaces(currentScript);return loopNum;}string GetStringParam( string& currentScript){int flag=0;//1表示有1个" 2表示有2个"string param;assert(currentScript[0]== '"');//第一个字符应该是"for(size_t i=currentScript.find('"')+1; i < currentScript.size();++i){if(currentScript[i] == '"')flag++;if(flag == 1)break;param.push_back(currentScript[i]);}currentScript.erase(0,param.size()+2);DeleteSpaces(currentScript);return param;} 

 

运行结果: