\r
}\r
\r
+int makeSubmenuFromArray( const char *menuEntries[], unsigned int menuEntriesSize, void *callback ) {\r
+ if ( menuEntriesSize == 0 ) return -1;\r
+\r
+ int menuNumber = menuEntriesSize / 10 + 1;\r
+ int submenuObjects[menuNumber-1];\r
+\r
+ for( int i = 0; i < menuNumber; i++ ) {\r
+ submenuObjects[i] = glutCreateMenu(callback);\r
+ int startNum = i*11 - (i-1);\r
+ for ( int j = startNum - 1; j < (startNum+9); j++ ) {\r
+ if ( j == menuEntriesSize ) break; // Detect if we've reached the end of the array\r
+ glutAddMenuEntry( menuEntries[j], j );\r
+ }\r
+ }\r
\r
+ int mainMenu = glutCreateMenu(callback);\r
+ for ( int i = 0; i < menuNumber; i++ ) {\r
+ char name[10]; // buffer to hold name\r
+ int startNum = i*11 - (i-1);\r
+ int endNum = startNum + 9;\r
+ if ( i == menuNumber - 1 ) { // We're on the last one\r
+ endNum = startNum + (menuEntriesSize - startNum); // Work out final number\r
+ }\r
+ sprintf(name, "%d-%d", startNum, endNum);\r
+ glutAddSubMenu( name, submenuObjects[i] );\r
+ }\r
\r
-void makeMenu() {\r
- int mainMenu = glutCreateMenu(processMainEvents);\r
+ return mainMenu;\r
+}\r
\r
- glutAddMenuEntry("Rotate/Move Camera", ROTATE_MOVE_CAMERA);\r
- //Add object\r
- glutAddMenuEntry("Position/Scale", POSITION_SCALE);\r
- glutAddMenuEntry("Rotation/Texture Scale", ROTATION_TEXTURE_SCALE);\r
- //material\r
- \r
+void makeMenu() {\r
+ // Construct material menu\r
int materialMenu = glutCreateMenu(processMaterialEvents);\r
glutAddMenuEntry("All R/G/B", MATERIAL_ALL_RGB);\r
glutAddMenuEntry("Ambient R/G/B", MATERIAL_AMBIENT_RGB);\r
glutAddMenuEntry("Green Amb/Diff/Spec/Shine", MATERIAL_GREEN_ADSS);\r
glutAddMenuEntry("Blue Amb/Diff/Spec/Shine", MATERIAL_BLUE_ADSS);\r
\r
- glutSetMenu(mainMenu);\r
- glutAddSubMenu("Material", materialMenu);\r
- \r
- //texture\r
- //ground texture\r
- //lights\r
+ // Construct light menu\r
+ int lightMenu = glutCreateMenu(processLightEvents);\r
+ glutAddMenuEntry("Move Light 1", LIGHT_MOVE_LIGHT_1);\r
+ glutAddMenuEntry("R/G/B/All Light 1", LIGHT_RGBALL_LIGHT_1);\r
+ glutAddMenuEntry("Move Light 2", LIGHT_MOVE_LIGHT_2);\r
+ glutAddMenuEntry("R/G/B/All Light 2", LIGHT_RGBALL_LIGHT_2);\r
\r
+ // Construct object menu\r
+ int objectMenuEntriesSize = sizeof(objectMenuEntries) / sizeof(objectMenuEntries[0]);\r
+ int objectMenu = makeSubmenuFromArray( objectMenuEntries, objectMenuEntriesSize, processObjectEvents );\r
\r
+ // Construct texture / ground texture menus\r
+ int textureMenuEntriesSize = sizeof(textureMenuEntries) / sizeof(textureMenuEntries[0]);\r
+ int textureMenu = makeSubmenuFromArray( textureMenuEntries, textureMenuEntriesSize, processTextureEvents );\r
+ int gTextureMenu = makeSubmenuFromArray( textureMenuEntries, textureMenuEntriesSize, processGTextureEvents );\r
+\r
+ // Construct main menu\r
+ int mainMenu = glutCreateMenu(processMainEvents);\r
+ glutAddMenuEntry("Rotate/Move Camera", ROTATE_MOVE_CAMERA);\r
+ glutAddSubMenu("Add object", objectMenu);\r
+ glutAddMenuEntry("Position/Scale", POSITION_SCALE);\r
+ glutAddMenuEntry("Rotation/Texture Scale", ROTATION_TEXTURE_SCALE);\r
+ glutAddSubMenu("Material", materialMenu);\r
+ glutAddSubMenu("Texture", textureMenu);\r
+ glutAddSubMenu("Ground texture", gTextureMenu);\r
+ glutAddSubMenu("Lights", lightMenu);\r
glutAddMenuEntry("Exit", EXIT);\r
\r
+ // Bind to right mouse button\r
glutAttachMenu(GLUT_RIGHT_BUTTON);\r
}\r
\r
- \r
-/*void createGLUTMenus() {\r
-\r
- int menu,submenu;\r
-\r
- submenu = glutCreateMenu(processMenuEvents);\r
- glutAddMenuEntry("Red",RED);\r
- glutAddMenuEntry("Blue",BLUE);\r
- glutAddMenuEntry("Green",GREEN);\r
-\r
- menu = glutCreateMenu(processMenuEvents);\r
- glutAddMenuEntry("White",WHITE);\r
- glutAddSubMenu("RGB Menu",submenu);\r
- glutAttachMenu(GLUT_RIGHT_BUTTON);\r
-*/\r
-\r
void display() {\r
// You probably want to change both of the following.\r
glClear(GL_COLOR_BUFFER_BIT);\r