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526 lines
12 KiB
526 lines
12 KiB
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/******************************************************************************\
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* This is a part of the Microsoft Source Code Samples.
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* Copyright (C) 1993 Microsoft Corporation.
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* All rights reserved.
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* This source code is only intended as a supplement to
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* Microsoft Development Tools and/or WinHelp documentation.
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* See these sources for detailed information regarding the
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* Microsoft samples programs.
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\******************************************************************************/
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#include <windows.h>
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include "stonehen.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "atmosphe.h"
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#include "scene.h"
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#include "callback.h"
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#include "setpixel.h"
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extern int use_lighting;
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extern int draw_shadows;
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extern int use_normal_fog;
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extern int use_textures;
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extern int texture_hack; // HACK HACK - only texture map stones for now
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extern int use_telescope;
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extern int use_antialias;
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extern int cb_demo_mode;
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BOOL Con;
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BOOL bTimeScale[5];
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extern GLfloat time_scale;
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GLfloat TimeScale[] = {0, 1, 10, 100, 500};
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char szAppName[] = "Stonehenge";
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extern TimeDate last_update;
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int curr_weather;
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HGLRC hRC;
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int iTimer;
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/* forward declarations of helper functions in this module */
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HWND WINAPI InitializeWindow (HINSTANCE, int);
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VOID WINAPI InitializeMenu (HWND, HMENU);
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LONG WINAPI CommandHandler (HWND, UINT, LONG);
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LONG WINAPI MainWndProc (HWND, UINT, UINT, LONG);
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/* entry point of this executable */
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int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
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{
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MSG msg;
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HWND hWnd;
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/* previous instances do not exist in Win32 */
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if (hPrevInstance)
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return 0;
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if (!(hWnd = InitializeWindow (hInstance, nCmdShow)))
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return FALSE;
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/* main window message loop */
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while (GetMessage (&msg, NULL, 0, 0))
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{
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TranslateMessage (&msg);
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DispatchMessage (&msg);
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}
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/* return success of application */
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return TRUE;
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}
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HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow)
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{
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WNDCLASS wc;
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HWND hWnd;
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RECT rect;
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/* Register the frame class */
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wc.style = CS_OWNDC;
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wc.lpfnWndProc = (WNDPROC)MainWndProc;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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wc.hInstance = hInstance;
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wc.hIcon = LoadIcon (hInstance, szAppName);
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wc.hCursor = LoadCursor (NULL,IDC_ARROW);
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wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
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wc.lpszMenuName = szAppName;
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wc.lpszClassName = szAppName;
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if (!RegisterClass (&wc) )
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return FALSE;
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rect.left = 100;
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rect.top = 100;
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rect.right = 652;
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rect.bottom = 500;
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AdjustWindowRect(&rect, WS_OVERLAPPEDWINDOW, FALSE);
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/* Create the frame */
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hWnd = CreateWindow (szAppName,
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"OpenGL Stonehenge Demo",
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WS_OVERLAPPEDWINDOW,
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rect.left,
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rect.top,
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WINDSIZEX(rect),
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WINDSIZEY(rect),
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NULL,
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NULL,
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hInstance,
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NULL);
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/* make sure window was created */
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if (!hWnd)
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return FALSE;
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InitializeMenu(hWnd, (HMENU) GetMenu(hWnd));
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SendMessage(hWnd, WM_INIT, NULL, NULL);
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/* show and update main window */
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ShowWindow (hWnd, nCmdShow);
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UpdateWindow (hWnd);
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return hWnd;
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}
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/* main window procedure */
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LONG WINAPI MainWndProc (
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HWND hWnd,
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UINT uMsg,
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UINT uParam,
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LONG lParam)
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{
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LONG lRet = 1;
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switch (uMsg)
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{
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case WM_CREATE:
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{
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HDC hDC;
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/* This is equivalent to the find_visual routine */
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hDC = GetDC(hWnd);
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/*
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pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
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pfd.nVersion = 1;
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pfd.dwFlags = PFD_DRAW_TO_WINDOW |
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PFD_SUPPORT_OPENGL |
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PFD_DOUBLEBUFFER); //GLX_DOUBLEBUFFER
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pfd.iPixelType = PFD_TYPE_RGBA; //GLX_RGBA
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pfd.cColorBits = 8;
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pfd.cRedBits = 1; //GLX_RED_SIZE
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pfd.cRedShift = 0;
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pfd.cGreenBits = 1; //GLX_GREEN_SIZE
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pfd.cGreenShift = 0;
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pfd.cBlueBits = 1; //GLX_BLUE_SIZE
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pfd.cBlueShift = 0;
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pfd.cAlphaBits = 0;
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pfd.cAlphaShift = 0;
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pfd.cAccumBits = 0; //ACCUM NOT SUPPORTED
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pfd.cAccumRedBits = 0; //GLX_ACCUM_RED_SIZE
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pfd.cAccumGreenBits = 0; //GLX_ACCUM_GREEN_SIZE
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pfd.cAccumBlueBits = 0; //GLX_ACCUM_BLUE_SIZE
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pfd.cAccumAlphaBits = 0; //GLX_ACCUM_ALPHA_SIZE
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pfd.cDepthBits = 1; //GLX_DEPTH_SIZE
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pfd.cStencilBits = 1; //GLX_STENCIL_SIZE
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pfd.cAuxBuffers = 0;
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pfd.iLayerType = PFD_MAIN_PLANE;
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pfd.bReserved = 0;
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pfd.dwLayerMask =
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pfd.dwVisibleMask =
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pfd.dwDamageMask = 0;
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iPixelFormat = ChoosePixelFormat(hDC, &pfd);
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if (iPixelFormat == 0) {
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char text[128];
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wsprintf(text, "ChoosePixelFormat failed %d", GetLastError());
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MessageBox (GetFocus(),
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text,
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szAppName, MB_SYSTEMMODAL|MB_OK|MB_ICONHAND);
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}
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*/
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bSetupPixelFormat(hDC);
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hRC = wglCreateContext( hDC );
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Con = wglMakeCurrent( hDC, hRC );
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ReleaseDC(hWnd, hDC);
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// iTimer = SetTimer(hWnd, 1, 1000, NULL);
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}
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break;
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case WM_TIMER:
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{
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PostMessage(hWnd, WM_PAINT, NULL, NULL);
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}
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break;
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case WM_PAINT:
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{
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HDC hDC;
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PAINTSTRUCT ps;
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hDC = BeginPaint(hWnd, &ps);
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EndPaint(hWnd, &ps);
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drawWP(hWnd);
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}
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break;
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case WM_INIT:
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{
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scene_init();
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last_update.read_time();
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resetViewerCB(NULL, NULL, NULL);
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}
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break;
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case WM_SIZE:
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{
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resizeCB(hWnd, NULL, NULL);
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}
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break;
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case WM_COMMAND:
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/* handle all command messages in a localized function */
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lRet = CommandHandler (hWnd, uParam, lParam);
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break;
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case WM_LBUTTONDOWN:
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{
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GLwDrawingAreaCallbackStruct *call_data;
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call_data = (GLwDrawingAreaCallbackStruct *) LocalAlloc(0, sizeof(GLwDrawingAreaCallbackStruct));
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call_data->event = (XEvent *) LocalAlloc(0, sizeof(XEvent));
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call_data->event->type = ButtonPress;
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call_data->event->xbutton.button = Button1;
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call_data->event->xbutton.x = LOWORD(lParam);
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call_data->event->xbutton.y = HIWORD(lParam);
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inputCB(hWnd, NULL, (LPVOID)call_data);
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LocalFree(call_data->event);
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LocalFree(call_data);
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}
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break;
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case WM_RBUTTONDOWN:
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{
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GLwDrawingAreaCallbackStruct *call_data;
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call_data = (GLwDrawingAreaCallbackStruct *) LocalAlloc(0, sizeof(GLwDrawingAreaCallbackStruct));
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call_data->event = (XEvent *) LocalAlloc(0, sizeof(XEvent));
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call_data->event->type = ButtonPress;
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call_data->event->xbutton.button = Button2;
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call_data->event->xbutton.x = LOWORD(lParam);
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call_data->event->xbutton.y = HIWORD(lParam);
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inputCB(hWnd, NULL, (LPVOID)call_data);
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LocalFree(call_data->event);
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LocalFree(call_data);
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}
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break;
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case WM_LBUTTONUP:
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{
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GLwDrawingAreaCallbackStruct *call_data;
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call_data = (GLwDrawingAreaCallbackStruct *) LocalAlloc(0, sizeof(GLwDrawingAreaCallbackStruct));
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call_data->event = (XEvent *) LocalAlloc(0, sizeof(XEvent));
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call_data->event->type = ButtonRelease;
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call_data->event->xbutton.button = Button1;
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inputCB(hWnd, NULL, (LPVOID)call_data);
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LocalFree(call_data->event);
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LocalFree(call_data);
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}
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break;
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case WM_RBUTTONUP:
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{
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GLwDrawingAreaCallbackStruct *call_data;
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call_data = (GLwDrawingAreaCallbackStruct *) LocalAlloc(0, sizeof(GLwDrawingAreaCallbackStruct));
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call_data->event = (XEvent *) LocalAlloc(0, sizeof(XEvent));
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call_data->event->type = ButtonRelease;
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call_data->event->xbutton.button = Button2;
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inputCB(hWnd, NULL, (LPVOID)call_data);
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LocalFree(call_data->event);
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LocalFree(call_data);
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}
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break;
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case WM_MOUSEMOVE:
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{
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GLwDrawingAreaCallbackStruct *call_data;
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call_data = (GLwDrawingAreaCallbackStruct *) LocalAlloc(0, sizeof(GLwDrawingAreaCallbackStruct));
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call_data->event = (XEvent *) LocalAlloc(0, sizeof(XEvent));
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call_data->event->type = MotionNotify;
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call_data->event->xmotion.x = LOWORD(lParam);
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call_data->event->xmotion.y = HIWORD(lParam);
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inputCB(hWnd, NULL, (LPVOID)call_data);
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LocalFree(call_data->event);
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LocalFree(call_data);
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}
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break;
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case WM_CLOSE:
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{
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HGLRC hRC;
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if(hRC = wglGetCurrentContext())
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wglDeleteContext(hRC);
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//KillTimer(iTimer);
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/* call destroy window to cleanup and go away */
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DestroyWindow (hWnd);
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}
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break;
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case WM_DESTROY:
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{
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wglDeleteContext(wglGetCurrentContext());
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PostQuitMessage (0);
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}
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break;
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default:
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/* pass all unhandled messages to DefWindowProc */
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lRet = DefWindowProc (hWnd, uMsg, uParam, lParam);
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break;
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}
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/* return 1 if handled message, 0 if not */
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return lRet;
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}
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/* handle all WM_COMMAND messages here */
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LONG WINAPI CommandHandler (
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HWND hWnd,
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UINT uParam,
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LONG lParam)
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{
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int i;
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HMENU hMenu;
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switch (LOWORD(uParam))
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{
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case IDM_EXIT:
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/* exit application */
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PostMessage (hWnd, WM_CLOSE, 0, 0L);
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break;
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case IDM_LIGHTING:
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hMenu = GetMenu(hWnd);
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use_lighting = !use_lighting;
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CheckMenuItem(hMenu,IDM_LIGHTING,(use_lighting?MF_CHECKED:MF_UNCHECKED));
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break;
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case IDM_SHADOWS:
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hMenu = GetMenu(hWnd);
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draw_shadows = !draw_shadows;
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CheckMenuItem(hMenu,IDM_SHADOWS,(draw_shadows?MF_CHECKED:MF_UNCHECKED));
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break;
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case IDM_FOG:
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hMenu = GetMenu(hWnd);
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use_normal_fog = !use_normal_fog;
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CheckMenuItem(hMenu,IDM_FOG,(use_normal_fog?MF_CHECKED:MF_UNCHECKED));
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break;
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#ifdef TEXTURE
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case IDM_TEXTUREMAP:
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hMenu = GetMenu(hWnd);
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/* HACK HACK HACK
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* This would be right, but for now I only want to map the stones, nothing
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* else, so I have a new variable - texture_hack
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use_textures = !use_textures;
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CheckMenuItem(hMenu,IDM_TEXTUREMAP,(use_textures?MF_CHECKED:MF_UNCHECKED));
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*/
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texture_hack = !texture_hack;
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CheckMenuItem(hMenu,IDM_TEXTUREMAP,(texture_hack?MF_CHECKED:MF_UNCHECKED));
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break;
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#endif
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case IDM_TELESCOPE:
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hMenu = GetMenu(hWnd);
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use_telescope = !use_telescope;
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CheckMenuItem(hMenu,IDM_TELESCOPE,(use_telescope?MF_CHECKED:MF_UNCHECKED));
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break;
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case IDM_ANTIALIAS:
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hMenu = GetMenu(hWnd);
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use_antialias = !use_antialias;
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CheckMenuItem(hMenu,IDM_ANTIALIAS,(use_antialias?MF_CHECKED:MF_UNCHECKED));
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break;
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case IDM_CLEAR:
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case IDM_FOGGY:
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case IDM_VERYFOGGY:
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case IDM_RAINY:
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hMenu = GetMenu(hWnd);
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/* If this value is already checked, we do nothing */
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if(curr_weather != (LOWORD(uParam) - IDM_CLEAR))
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{
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CheckMenuItem(hMenu, curr_weather + IDM_CLEAR, MF_UNCHECKED);
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CheckMenuItem(hMenu, LOWORD(uParam), MF_CHECKED);
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curr_weather = LOWORD(uParam) - IDM_CLEAR;
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scene_set_weather(weathers[curr_weather]);
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}
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break;
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case IDM_CURRENTTIME:
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currentTimeCB(hWnd);
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break;
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case IDM_10AM:
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time10amCB(hWnd);
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break;
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case IDM_NOON:
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time12pmCB(hWnd);
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break;
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case IDM_4PM:
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time4pmCB(hWnd);
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break;
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case IDM_HOLDTIME:
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case IDM_SCALE1:
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case IDM_SCALE10:
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case IDM_SCALE100:
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case IDM_SCALE500:
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hMenu = GetMenu(hWnd);
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/* If this value is already checked, we do nothing */
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if(!bTimeScale[LOWORD(uParam) - IDM_HOLDTIME])
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{
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for(i=0;!bTimeScale[i];i++);
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time_scale = TimeScale[LOWORD(uParam) - IDM_HOLDTIME];
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CheckMenuItem(hMenu, IDM_HOLDTIME + i, MF_UNCHECKED);
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bTimeScale[i] = FALSE;
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CheckMenuItem(hMenu, LOWORD(uParam), MF_CHECKED);
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bTimeScale[LOWORD(uParam) - IDM_HOLDTIME] = TRUE;
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timeSpeedCB(hWnd, NULL, NULL);
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}
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break;
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case IDM_DEMOMODE:
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hMenu = GetMenu(hWnd);
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cb_demo_mode = !cb_demo_mode;
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CheckMenuItem(hMenu,IDM_DEMOMODE,(cb_demo_mode?MF_CHECKED:MF_UNCHECKED));
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demo_modeCB(hWnd, NULL, NULL);
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break;
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case IDM_RESET:
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resetViewerCB(hWnd, NULL, NULL);
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break;
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default:
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return FALSE;
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}
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return TRUE;
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}
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VOID WINAPI InitializeMenu (HWND hWnd, HMENU hMenu)
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{
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curr_weather = def_weather_index;
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CheckMenuItem(hMenu, IDM_CLEAR + curr_weather, MF_CHECKED);
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CheckMenuItem(hMenu, IDM_LIGHTING, MF_CHECKED);
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bTimeScale[0] = TRUE;
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bTimeScale[1] = FALSE;
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bTimeScale[2] = FALSE;
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bTimeScale[3] = FALSE;
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bTimeScale[4] = FALSE;
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CheckMenuItem(hMenu, IDM_HOLDTIME, MF_CHECKED);
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cb_demo_mode = FALSE;
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}
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