OpenGL+DirectX 简易游戏引擎

#include "Engine.h" GLApplication * GLApplication::Create(const char * class_name) { CEngine * engine=new CEngine(class_name); return (GLApplication *)engine; } CEngine::CEngine(const char * class_name) : GLApplication(class_name) { m_Fps=0; m_objCnt=0; memset(m_objs,0,sizeof(m_objs)); m_bMute=false; m_nSkyBoxIndex=0; m_nWeaponIndex=0; m_bJu2=false; memset(m_pExplosion,0,sizeof(m_pExplosion)); } static int printCnt=0; static char printContent[36][MAX_PATH]; void CEngine::InitPrint(char * str) { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); /***********初始画面***********/ glMatrixMode(GL_MODELVIEW); glPushMatrix(); glLoadIdentity(); glMatrixMode(GL_PROJECTION); glPushMatrix(); glLoadIdentity(); glOrtho(0,m_Window.GetWidth(),0,m_Window.GetHeight(),-1,1); glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D,m_cBmpInitTex.ID); glColor4f(1,1,1,1); glBegin(GL_QUADS); glTexCoord2f(0,0),glVertex3f(0,0,0); glTexCoord2f(1,0),glVertex3f(m_Window.GetWidth(),0,0); glTexCoord2f(1,1),glVertex3f(m_Window.GetWidth(),m_Window.GetHeight(),0); glTexCoord2f(0,1),glVertex3f(0,m_Window.GetHeight(),0); glEnd(); glMatrixMode(GL_PROJECTION); glPopMatrix(); glMatrixMode(GL_MODELVIEW); glPopMatrix(); glMatrixMode(GL_MODELVIEW); /***********初始画面结束***********/ glPushAttrib(GL_CURRENT_BIT); strcpy(printContent[printCnt++],str); glColor3f(1,0,0); for(int i=0;i<printCnt;++i) m_cFont.PrintText(printContent[i],0,m_Window.GetHeight()-m_cFont.GetHeight()*(i+1)); m_cFont.PrintText(str,m_Window.GetWidth()-(m_cFont.GetWidth()+1)*strlen(str),m_Window.GetHeight()-m_cFont.GetHeight()); m_cFont.PrintText("Copyright (c) 2009 lucky dog",0,0); glPopAttrib(); m_Window.SwapBuffers(); } bool CEngine::Init() { glClearColor(0,0,0,0.5f); glClearDepth(1); glDepthFunc(GL_LEQUAL); glEnable(GL_DEPTH_TEST); glEnable(GL_CULL_FACE); glShadeModel(GL_SMOOTH); glHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST); ResizeDraw(true); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); printCnt=0; m_cBmpInitTex.Load("res/bmp/welcome.bmp"); if(! m_cFont.InitFont(12,24)) return false; InitPrint("初始化: 字体 …… 完成."); InitPrint("初始化: DirectShowMp3 ……"); mp3.Init(); mp3.Play("res/mp3/init.mp3"); --printCnt; InitPrint("初始化: DirectShowMp3 …… 完成."); InitPrint("初始化: DirectInput 输入 ……"); m_pInput=new CInputSystem(); m_pInput->Init(this->m_Window.GetHwnd(),(HINSTANCE)GetModuleHandle(NULL),true,IS_USEKEYBOARD | IS_USEMOUSE); --printCnt; InitPrint("初始化: DirectInput 输入 …… 完成."); InitPrint("初始化: DirectSound 声音 ……"); if(! InitSounds("ini/snd.ini")) { MessageBox(NULL,TEXT("fail to init wavs!"),TEXT("ERROR"),MB_OK); return false; } --printCnt; InitPrint("初始化: DirectSound 声音 …… 完成."); InitPrint("初始化: 加载所有纹理 ……"); if(! m_cTexMgr.Init("ini/textures.ini")) return false; --printCnt; InitPrint("初始化: 加载所有纹理 …… 完成."); InitPrint("初始化: 场景管理类 ……"); if(! m_cSceneMgr.Init()) return false; --printCnt; InitPrint("初始化: 场景管理类 …… 完成."); InitPrint("初始化: 资源管理类 ……"); if(! m_cResMgr.Init()) return false; --printCnt; InitPrint("初始化: 资源管理类 …… 完成."); InitPrint("初始化: MD2动画文件 ……"); if(! InitMD2Roles("ini/roles.ini")) return false; --printCnt; InitPrint("初始化: MD2动画文件 …… 完成."); InitPrint("初始化: 物体 ……"); if(! InitObjs("ini/objs.ini")) { MessageBox(NULL,TEXT("fail to init objects!"),TEXT("ERROR"),MB_OK); return false; } --printCnt; InitPrint("初始化: 物体 …… 完成."); m_cCamera.setCamera( MAP_WIDTH/2,m_cSceneMgr.m_terrain.getAveHeight(MAP_WIDTH/2,MAP_WIDTH/2),MAP_WIDTH/2, MAP_WIDTH/2+1,m_cSceneMgr.m_terrain.getAveHeight(MAP_WIDTH/2,MAP_WIDTH/2),MAP_WIDTH/2, 0,1,0); InitPrint("初始化: 成功完成!"); Sleep(1000); mp3.Stop(); mp3.Release(); mp3.Init(); mp3.Play("res/mp3/banshuxuanyan.mp3"); return true; } bool CEngine::InitObjs(char * iniFile) { FILE * fp=fopen(iniFile,"r"); if(! fp) { MessageBox(NULL,TEXT("can not open iniFile!"),TEXT("ERROR"),MB_OK); return false; } m_objCnt=1+ROLE_COUNT+MAX_BULLET_NUM; m_objs[0]=new CHero; SSphere sphere; Vector3 speed; char kind[MAX_PATH],buf[MAX_PATH],texFile[MAX_PATH]; while(fgets(buf,sizeof(buf),fp)) { sscanf( buf,"%s %f %f %f %f %f %f %f %s", kind,&sphere.m_vPos.x,&sphere.m_vPos.y,&sphere.m_vPos.z, &sphere.m_fRadius,&speed.x,&speed.y,&speed.z,texFile); sphere.m_vPos.y=m_cSceneMgr.m_terrain.getAveHeight(sphere.m_vPos.x,sphere.m_vPos.z)+sphere.m_fRadius; if(strcmp(kind,"ball")==0) m_objs[m_objCnt++]=new CBall(sphere,speed,m_cTexMgr.GetID(texFile)); else if(strcmp(kind,"cube")==0) m_objs[m_objCnt++]=new CCube(sphere,speed,m_cTexMgr.GetID(texFile)); } m_objs[m_objCnt++]=new CMD2Role(&m_cResMgr.m_MD2s[0]); return true; } bool CEngine::InitMD2Roles(char * iniFile) { for(int i=1;i<=ROLE_COUNT;++i) { m_objs[i]=new CMD2Role(&m_cResMgr.m_MD2s[rand()%m_cResMgr.m_nMd2Cnt]); ((CMD2Role *)m_objs[i])->Init( Vector3(rand()%m_cSceneMgr.m_terrain.m_nWidth,ROLE_HEIGHT,rand()%m_cSceneMgr.m_terrain.m_nWidth), Vector3(rand()%ROLE_MAX_SPEED-ROLE_MAX_SPEED/2,rand()%ROLE_MAX_SPEED-ROLE_MAX_SPEED/2,rand()%ROLE_MAX_SPEED-ROLE_MAX_SPEED/2), ROLE_HEIGHT,rand(),ROLE_SCALE); } return true; } void CEngine::RenderObjs() { for(int i=0;i<m_objCnt;++i) { if(m_objs[i]) m_objs[i]->Render(); } } void CEngine::Uninit() { if(m_pInput) { delete m_pInput; m_pInput=NULL; } } void CEngine::UpdateCamera(DWORD milliseconds) { m_cCamera.setViewByMouse(); m_pInput->Update(); if(m_pInput->GetMouse()->IsLButtonPressed()) //if(m_Keys.IsPressed(MAX_KEYS-1)) { Fire(); } if(m_pInput->GetMouse()->IsRButtonPressed()) m_bJu2=! m_bJu2; //if(m_Keys.IsPressed(VK_SHIFT)) if(m_pInput->GetKeyboard()->KeyDown(DIK_LSHIFT)) m_cCamera.setSpeed(LOW_CAMERA_SPEED); //if(! m_Keys.IsPressed(VK_SHIFT)) if(! m_pInput->GetKeyboard()->KeyDown(DIK_LSHIFT)) m_cCamera.setSpeed(HIGH_CAMERA_SPEED); if(m_pInput->GetKeyboard()->KeyDown(DIK_Q)) m_nWeaponIndex=1-m_nWeaponIndex; if(m_pInput->GetKeyboard()->KeyDown(DIK_E)) m_nSkyBoxIndex=1-m_nSkyBoxIndex; if(m_pInput->GetKeyboard()->KeyDown(DIK_R)) m_cCamera.setSpeed(HIGH_CAMERA_SPEED*3); //if(m_Keys.IsPressed(VK_UP) || m_Keys.IsPressed('W')) bool move; if(m_pInput->GetKeyboard()->KeyDown(DIK_W)) { move=true; Vector3 tmp=m_cCamera.getPosition()+(m_cCamera.getView()-m_cCamera.getPosition()).normalize()*milliseconds/1000.0f*m_cCamera.getSpeed(); for(int i=1;i<m_objCnt;++i) { if(m_objs[i]==NULL) continue; if((tmp-m_cCamera.getPosition()).dotProduct(m_objs[i]->m_sSphere.m_vPos-m_cCamera.getPosition())>0 && distance(tmp,m_objs[i]->m_sSphere.m_vPos)<(10+m_objs[i]->m_sSphere.m_fRadius)) { move=false; break; } } if(move) m_cCamera.moveCamera(m_cCamera.getSpeed()); } //if(m_Keys.IsPressed(VK_DOWN) || m_Keys.IsPressed('S')) if(m_pInput->GetKeyboard()->KeyDown(DIK_S)) { move=true; Vector3 tmp=m_cCamera.getPosition()+(m_cCamera.getPosition()-m_cCamera.getView()).normalize()*milliseconds/1000.0f*m_cCamera.getSpeed(); for(int i=1;i<m_objCnt;++i) { if(m_objs[i]==NULL) continue; if((tmp-m_cCamera.getPosition()).dotProduct(m_objs[i]->m_sSphere.m_vPos-m_cCamera.getPosition())>0 && distance(tmp,m_objs[i]->m_sSphere.m_vPos)<(10+m_objs[i]->m_sSphere.m_fRadius)) { move=false; break; } } if(move) m_cCamera.moveCamera(-m_cCamera.getSpeed()); } //if(m_Keys.IsPressed(VK_LEFT) || m_Keys.IsPressed('A')) if(m_pInput->GetKeyboard()->KeyDown(DIK_A)) { move=true; Vector3 tmp=m_cCamera.getPosition()+(m_