water_6_13.rar_多重纹理

/* * This Code Was Created By Jeff Molofee 2000 * A HUGE Thanks To Fredric Echols For Cleaning Up * And Optimizing This Code, Making It More Flexible! * If You've Found This Code Useful, Please Let Me Know. * Visit My Site At nehe.gamedev.net */ #include <windows.h> // Header File For Windows #include <gl\gl.h> // Header File For The OpenGL32 Library #include <gl\glu.h> // Header File For The GLu32 Library #include <gl\glaux.h> // Header File For The Glaux Library #include <stdio.h> #include <math.h> #include <string.h> #define PT 1 #define STROKE 2 #define END 3 #define PI 3.1415926 typedef struct charpoint { GLfloat x, y; int type; } CP; CP Pdata[] = { {0, 0, PT}, {0, 10, PT}, {4, 10, PT}, {5, 9, PT}, {5, 6, PT}, {4, 5, PT}, {0, 5, END} }; CP Rdata[] = { {0, 0, PT}, {0, 10, PT}, {4, 10, PT}, {5, 9, PT}, {5, 6, PT}, {4, 5, PT}, {0, 5, STROKE}, {3, 5, PT}, {5, 0, END} }; CP Ddata[] = { {0, 0, PT}, {0, 10, PT}, {4, 10, PT}, {6, 8, PT}, {6, 2, PT}, {4, 0, PT},{0, 0, END} }; CP Odata[] = {{0, 2, PT},{0, 8, PT},{2, 10, PT},{4, 10, PT},{6, 8, PT},{6, 2, PT},{4, 0, PT}, {2, 0, PT},{0, 2,END } }; CP Tdata[] = { {0, 10, PT}, {6, 10, STROKE}, {3, 10, PT}, {3, 0, PT},{3, 0, END} }; CP Ndata[] = { {0, 0, PT}, {0, 10, PT},{6, 0, PT}, {6, 10, PT}, {6, 10, END} }; CP Adata[] = { { 0, 0, PT}, {0, 9, PT}, {1, 10, PT}, {4, 10, PT}, {5, 9, PT}, {5, 0, STROKE}, {0, 5, PT}, {5, 5, END} }; CP Edata[] = { {5, 0, PT}, {0, 0, PT}, {0, 10, PT}, {5, 10, STROKE}, {0, 5, PT}, {4, 5, END} }; CP Sdata[] = { {0, 1, PT}, {1, 0, PT}, {4, 0, PT}, {5, 1, PT}, {5, 4, PT}, {4, 5, PT}, {1, 5, PT}, {0, 6, PT}, {0, 9, PT}, {1, 10, PT}, {4, 10, PT}, {5, 9, END} }; HDC hDC=NULL; // Private GDI Device Context HGLRC hRC=NULL; // Permanent Rendering Context HWND hWnd=NULL; // Holds Our Window Handle HINSTANCE hInstance; // Holds The Instance Of The Application bool keys[256]; // Array Used For The Keyboard Routine bool active=TRUE; // Window Active Flag Set To TRUE By Default bool fullscreen=TRUE; // Fullscreen Flag Set To Fullscreen Mode By Default GLuint texture[3], texture_one[3], texture_container[3], CubeMap[6]; GLuint cubeface[6]; GLuint base; bool flag = true; const int recwidth = 180; const int recheight = 180; const float alpha = 1.0; float xdistance = 0.0; float ydistance = 0.0; int stoneweight = 8; int stonesize = 4; int eyex = 0, eyez = 0.0, eyey = 0; float angle = 90.0; float eyePosition[3]; GLfloat vertices[3*recheight*recwidth]; GLfloat texcoords[2*recheight*recwidth]; GLfloat waterbottomcoords[2*recheight*recwidth]; GLfloat bottomvertices[3*recheight*recwidth]; GLfloat normals[3*recheight*recwidth]; GLfloat vertices2[3*recheight*recwidth] ; GLfloat waterbottomcoords2[2*recheight*recwidth]; GLfloat *display = vertices; GLfloat *current = vertices2; GLfloat xpos, ypos; float waterwidth = 30.0; bool bdrop = false; LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); // Declaration For WndProc float angle_x(45.0f); float angle_y(45.0f); const int NodesOfT = 20; double t = 0 ; void sinewave(void) { static bool init = false; t=(int )(t+PI/60)%60; if(!init) { for(int j=2; j<recheight-2; j++) for (int i=2; i<recwidth-2; i++) { int offset = j*recwidth + i; display[3*offset + 2] = sin(i*2*PI/NodesOfT); } init = true; } else { for(int j=2; j<recheight-2; j++) for (int i=2; i<recwidth-2; i++) { int offset = j*recwidth + i; current[3*offset + 2] = sin(i*2*PI/NodesOfT+t); } } GLfloat *ptmp =display; display = current; current = ptmp; } static void printStrokedString(char *s) { GLsizei len = strlen(s); glCallLists(len, GL_BYTE, (GLbyte *)s); } static void drawLetter(CP *l) { glBegin(GL_LINE_STRIP); while (1) { switch (l->type) { case PT: glVertex2fv(&l->x); break; case STROKE: glVertex2fv(&l->x); glEnd(); glBegin(GL_LINE_STRIP); break; case END: glVertex2fv(&l->x); glEnd(); glTranslatef(8.0, 0.0, 0.0); return; } l++; } } void DrawWaterBottom(void) { glEnable(GL_TEXTURE_2D); glEnableClientState(GL_VERTEX_ARRAY); glEnableClientState(GL_TEXTURE_COORD_ARRAY); glVertexPointer(3, GL_FLOAT, 0, bottomvertices); glTexCoordPointer(2, GL_FLOAT, 0, waterbottomcoords); glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, texture_container[2]); glPushMatrix(); glTranslatef(0.0, 0.0, 4.0); for(int j=0;j<recheight-1;j++) { glNormal3f(0.0, 0.0, 1.0); glBegin(GL_QUAD_STRIP); for(int i=0;i<recwidth ;i++) { glArrayElement((j+1)*recwidth+i); glArrayElement(j*recwidth+i); } glEnd(); } glPopMatrix(); glDisable(GL_TEXTURE_2D); glDisableClientState(GL_VERTEX_ARRAY); glDisableClientState(GL_TEXTURE_COORD_ARRAY); } void drawwater(void) { glEnableClientState(GL_VERTEX_ARRAY); glEnableClientState(GL_TEXTURE_COORD_ARRAY); glEnableClientState(GL_NORMAL_ARRAY); glVertexPointer(3, GL_FLOAT, 0, display); glTexCoordPointer(2, GL_FLOAT, 0, texcoords); glNormalPointer(GL_FLOAT,0 ,normals); glColor3f(1.0f, 1.0f, 1.0f); glEnable(GL_BLEND); glBlendFunc(GL_SRC_COLOR, GL_ONE); glEnable(GL_TEXTURE_GEN_S); // Enable Texture Coord Generation For S (NEW) glEnable(GL_TEXTURE_GEN_T); glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, CubeMap[2]); glPushMatrix(); glRotatef(270, 1.0, 0.0, 0.0); glTranslatef(0.0, 0.0, 7.0); //for(int j=0;j<recheight-1;j++) //{ // glBegin(GL_QUAD_STRIP); // for(int i=0;i<recwidth ;i++) // { // glArrayElement((j+1)*recwidth+i); // glArrayElement(j*recwidth+i); // } // glEnd(); //} for(int j=0;j<recheight-1;j++) { glBegin(GL_LINE_STRIP); for(int i=0;i<recwidth ;i++) { glArrayElement(j*recwidth+i); } glEnd(); } glPopMatrix(); glDisable(GL_BLEND); glDisable(GL_TEXTURE_GEN_S); glDisable(GL_TEXTURE_GEN_T); glDisable(GL_TEXTURE_2D); glDisableClientState(GL_VERTEX_ARRAY); glDisableClientState(GL_TEXTURE_COORD_ARRAY); glDisableClientState(GL_NORMAL_ARRAY); } void AdjustViewByMouse() { static int mouse_x=0; static int mouse_y=0; if(fullscreen == true) { POINT newpos; GetCursorPos(&newpos); angle_x+=(newpos.y - mouse_y)/360.0f; angle_y+=(newpos.x - mouse_x)/360.0f; if(angle_x>3.14159f/2.0f) angle_x=3.14159f/2.0f; if(angle_x<-3.14159f/2.0f) angle_x=-3.14159f/2.0f; SetCursorPos(320, 240); } if(GetAsyncKeyState(VK_LBUTTON)) { POINT newpos; GetCursorPos(&newpos); angle_x+=(newpos.y - mouse_y)/360.0f; angle_y+=(newpos.x - mouse_x)/360.0f; //confine the movement if(angle_x>3.14159f/2.0f) angle_x=3.14159f/2.0f; if(angle_x<-3.14159f/2.0f) angle_x=-3.14159f/2.0f; } POINT pos; GetCursorPos(&pos); mouse_x=pos.x; mouse_y=pos.y; } void CubeBox() { float cubewidth = 1000.0; glDisable(GL_LIGHTING); glColor3f(1.0f, 1.0f, 1.0f); glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, CubeMap[0]); glBegin(GL_QUADS); glTexCoord2f(0, 1); glVertex3f(cubewidth, cubewidth, cubewidth); glTexCoord2f(0, 0); glVertex3f(cubewidth, -cubewidth, cubewidth); glTexCoord2f(1, 0); glVertex3f(cubewidth, -cubewidth, -cubewidth); glTexCoord2f(1, 1); glVertex3f(cubewidth, cubewidth, -cubewidth); glEnd(); glBindTexture(GL_TEXTURE_2D, CubeMap[1]); glBegin(GL_QUADS); glTexCoord2f(0.0, 1.0); glVertex3f(-cubewidth, cubewidth, -cubewidth); glTexCoord2f(0.0, 0.0); glVertex3f(-cubewidth, -cubewidth, -cubewidth); glTexCoord2f