opengl 游戏编程 第十七章

#include <windows.h> #include <math.h> #include <fstream.h> #include <stdio.h> #include <stdarg.h> #include <gl\gl.h> #include <gl\glu.h> #include "mmsystem.h" #include "GLFrame.h" #include "linear.h" #include "quaternions.h" #include "graph.h" #include "ASEloader.h" #include "particles.h" #pragma comment( lib, "opengl32.lib" ) #pragma comment( lib, "glu32.lib" ) #pragma comment( lib, "glaux.lib" ) #pragma comment( lib, "ijl11.lib" ) #pragma comment( lib, "winmm.lib" ) #ifndef CDS_FULLSCREEN #define CDS_FULLSCREEN 4 #endif GL_Window* g_window; Keys* g_keys; // 字体 GLuint base; GLYPHMETRICSFLOAT gmf[256]; int frames=0; float time=0; float fps; #define PI 3.141592639 float rot=0; // ASE模型 CModels ring; CModels glamdring; CModels finger; CModels soldier; CModels land; GLint ring_DisplayList=0; GLint glamdring_DisplayList=0; GLint finger_DisplayList=0; GLint soldier_DisplayList=0; GLint land_DisplayList=0; // 纹理 CTexture Textures; #define FIRE_ANIMATION_WIDTH 256 #define FIRE_ANIMATION_HEIGHT 128 // 定义纹理名称 #define FIRE_TEXTURE 0 #define FIRE_FRONT_TEXTURE 1 #define FLAME_TEXTURE 2 #define GOLD_TEXTURE 3 #define TEXT_TEXTURE 4 #define TEXTGLOW_TEXTURE 5 #define GLAMDRING_TEXTURE 6 #define SILVER_TEXTURE 7 #define TITLE_TEXTURE 8 #define SOLDIER_TEXTURE 9 #define LAND_TEXTURE 10 // 粒子数组 #define FIRE_AMOUNT 100 particle fire_back[FIRE_AMOUNT]; particle fire_front[FIRE_AMOUNT]; #define SOLDIER_AMOUNT 1000 particle soldiers[SOLDIER_AMOUNT]; // 控制动画播放的变量 float ANIMC_time=0; float ANIMC_firesize=0; float ANIMC_spin1=1; float ANIMC_spin2=1; float ANIMC_text=0; float ANIMC_glow=0; float ANIMC_RingPos=-1; int ANIMC_DisplayRing=0; int ANIMC_DisplayGlamdring=1; float ANIMC_titlefade=0; int ANIMC_showtitle=0; float ANIMC_blastscale=0; float ANIMC_fall=0; float ANIMC_land=1; // 建立字体 GLvoid BuildFont(GLvoid) { HFONT font; base = glGenLists(256); font = CreateFont( -12, // 字体高度 0, // 字体宽度 0, // 字体的旋转角度 0, // 字体底线的旋转角度 FW_BOLD, // 字体的重量 FALSE, // 是否使用斜体 FALSE, // 是否使用下划线 FALSE, // 是否使用删除线 ANSI_CHARSET, // 设置字符集 OUT_TT_PRECIS, // 输出精度 CLIP_DEFAULT_PRECIS, // 裁剪精度 ANTIALIASED_QUALITY, // 输出质量 FF_DONTCARE|DEFAULT_PITCH, // Family And Pitch "Arial"); // 字体名称 SelectObject(g_window->hDC, font); wglUseFontOutlines( g_window->hDC, 0, 255, base, 10.0f, 0.01f, WGL_FONT_POLYGONS, gmf); } GLvoid KillFont(GLvoid) { glDeleteLists(base, 256); } GLvoid glPrint(const char *fmt, ...) { float length=0; char text[256]; va_list ap; if (fmt == NULL) return; va_start(ap, fmt); vsprintf(text, fmt, ap); va_end(ap); for (unsigned int loop=0;loop<(strlen(text));loop++) { length+=gmf[text[loop]].gmfCellIncX; } glPushMatrix(); glTranslatef(-length/2,0.0f,0.0f); glPushAttrib(GL_LIST_BIT); glListBase(base); glCallLists(strlen(text), GL_UNSIGNED_BYTE, text); glPopAttrib(); glPopMatrix(); } // 初始化 BOOL Initialize (GL_Window* window, Keys* keys) { g_window = window; g_keys = keys; ScreenW=g_window->init.width; ScreenH=g_window->init.height; BuildFont(); //载入ASE模型，并创建显示列表 ring.Load("Models\\ring.ase"); glamdring.Load("Models\\glamdring.ase"); finger.Load("Models\\finger.ase"); soldier.Load("Models\\soldier.ase"); land.Load("Models\\land.ase"); ring_DisplayList=glGenLists(1); glNewList(ring_DisplayList,GL_COMPILE); ring.Display(); glEndList(); glamdring_DisplayList=glGenLists(1); glNewList(glamdring_DisplayList,GL_COMPILE); glamdring.Display(); glEndList(); finger_DisplayList=glGenLists(1); glNewList(finger_DisplayList,GL_COMPILE); finger.Display(); glEndList(); soldier_DisplayList=glGenLists(1); glNewList(soldier_DisplayList,GL_COMPILE); soldier.Display(); glEndList(); land_DisplayList=glGenLists(1); glNewList(land_DisplayList,GL_COMPILE); land.Display(); glEndList(); //载入纹理 Textures.Init(11); Textures.Load("textures\\blank.jpg",FIRE_TEXTURE,0); Textures.Load("textures\\blank.jpg",FIRE_FRONT_TEXTURE,0); Textures.Load("textures\\flame.jpg",FLAME_TEXTURE,0); Textures.Load("textures\\gold.jpg",GOLD_TEXTURE,0); Textures.Load("textures\\onering.jpg",TEXT_TEXTURE,0); Textures.Load("textures\\blank640.jpg",TEXTGLOW_TEXTURE,0); Textures.Load("textures\\glamdring_tex.jpg",GLAMDRING_TEXTURE,0); Textures.Load("textures\\silver.jpg",SILVER_TEXTURE,0); Textures.Load("textures\\title.jpg",TITLE_TEXTURE,0); Textures.Load("textures\\soldier.jpg",SOLDIER_TEXTURE,0); Textures.Load("textures\\mountain.jpg",LAND_TEXTURE,0); // 初始化士兵属性 for(int i=0;i<SOLDIER_AMOUNT;i++) { float r=random(3,150,0); float theta=random(0,2*3.1415926539,0); soldiers[i].pos.set(r*cos(theta),0,r*sin(theta)); soldiers[i].size=10; soldiers[i].r=r; soldiers[i].theta=theta; soldiers[i].time=1; } // OpenGL初始化设置 glEnable(GL_DEPTH_TEST); glEnable(GL_COLOR_MATERIAL); // glEnable(GL_CULL_FACE); // glCullFace(GL_BACK); glClearColor (0.0f, 0.0f, 0.0f, 0.5f); glClearDepth (1.0f); glDepthFunc (GL_LEQUAL); glEnable (GL_DEPTH_TEST); GLfloat spec[]={1.0f,1.0f,1.0f,1.0f}; glMaterialfv(GL_FRONT, GL_SPECULAR, spec); glMateriali(GL_FRONT, GL_SHININESS, 100); glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP); glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP); glEnable(GL_TEXTURE_2D); glEnable(GL_TEXTURE_GEN_S); glEnable(GL_TEXTURE_GEN_T); PlaySound("BGM.wav",NULL,SND_ASYNC); return TRUE; } // 卸载工作 void Deinitialize (void) { KillFont(); glDeleteLists(ring_DisplayList,1); glDeleteLists(glamdring_DisplayList,1); glDeleteLists(finger_DisplayList,1); glDeleteLists(soldier_DisplayList,1); glDeleteLists(land_DisplayList,1); Textures.UnLoad(); } // 绘制火焰 void DrawFire(particle* fires) { for(int i=0;i<FIRE_AMOUNT;i++) { glPushMatrix(); fires[i].Display(); glPopMatrix(); } } // 移动火焰 void MoveFire(particle *fires,float time) { for(int i=0;i<FIRE_AMOUNT;i++) { fires[i].Move(time); if(fires[i].time<=0&&ANIMC_firesize>0) { fires[i].pos.set(random(0,FIRE_ANIMATION_WIDTH,0),FIRE_ANIMATION_HEIGHT+10,0); fires[i].dir.set(random(0,10,1),random(-5,-50,0),0); fires[i].time=random(0.1,ANIMC_firesize,0); fires[i].size=random(25,50,0); fires[i].roll=random(0,360,1); } } } // 动画播放时间序列 void AnimationSequence(float timet) { if(ANIMC_time>=155) TerminateApplication (g_window); if(ANIMC_time>130) { ANIMC_showtitle=1; ANIMC_titlefade+=0.1*timet; if(ANIMC_titlefade>=1) ANIMC_titlefade=1; } if(ANIMC_time>=110) { ANIMC_RingPos+=0.05*timet; } else if(ANIMC_time>=34) { ANIMC_DisplayGlamdring=0; ANIMC_DisplayRing=1; ANIMC_RingPos+=0.05*timet; if(ANIMC_RingPos>=0) ANIMC_RingPos=0; } if(ANIMC_time>=96) { ANIMC_spin1=1; } if(ANIMC_time>=84) { // ANIMC_glow+=0.1*timet; // if(ANIMC_glow>=0.5) ANIMC_glow=0.5; } else if(ANIMC_time>=72) { ANIMC_spin1=0; ANIMC_text+=0.1*timet; if(ANIMC_text>=1) ANIMC_text=1; } if(ANIMC_time>=124) { ANIMC_firesize-=0.2*timet;