windows-nt/Source/XPSP1/NT/multimedia/opengl/test/demos/backtrac/backtrac.cxx
2020-09-26 16:20:57 +08:00

570 lines
17 KiB
C++

extern "C" {
#include <windows.h>
#include <GL/glu.h>
#include <GL/gl.h>
#include <GL/glaux.h>
};
#ifdef GLX_MOTIF
#include <GL/glx.h>
#include <X11/Intrinsic.h>
#include <Xm/Xm.h>
#include <Xm/CascadeB.h>
#include <Xm/Frame.h>
#include <Xm/MainW.h>
#include <Xm/PushB.h>
#include <Xm/PushBG.h>
#include <Xm/RowColumn.h>
#include <Xm/ToggleB.h>
#include <GLwMDrawA.h>
#include <sys/time.h>
#endif
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "scene.hxx"
#include "cbacks.hxx"
#include "menu.h"
LRESULT APIENTRY MyWndProc(HWND, UINT, WPARAM, LPARAM);
VOID SubclassWindow (HWND, WNDPROC);
void vCustomizeWnd(void);
extern light lights[];
extern GLboolean bAutoMotion(void);
extern void draw(void);
#ifdef GLX_MOTIF
static Display *display;
XtAppContext app_context;
Widget glw;
const int max_args = 20;
#endif
int quick_moves = 0;
int auto_motion = 0;
#ifdef GLX_MOTIF
XVisualInfo *find_visual()
{
int attr[256], i, stencil, dbuffer;
XVisualInfo *vi;
i = 0;
attr[i++] = GLX_RGBA;
attr[i++] = GLX_RED_SIZE;
attr[i++] = 1;
attr[i++] = GLX_GREEN_SIZE;
attr[i++] = 1;
attr[i++] = GLX_BLUE_SIZE;
attr[i++] = 1;
attr[i++] = GLX_DEPTH_SIZE;
attr[i++] = 1;
dbuffer = i;
attr[i++] = GLX_DOUBLEBUFFER;
stencil = i;
attr[i++] = GLX_STENCIL_SIZE;
attr[i++] = 1;
attr[i++] = (int)None;
vi = glXChooseVisual(display, DefaultScreen(display), attr);
if (vi == NULL) {
fprintf(stderr, "Unable to find visual with stencil buffer.\n");
fprintf(stderr, "(Things won't look quite as good).\n");
attr[stencil] = (int)None;
vi = glXChooseVisual(display, DefaultScreen(display), attr);
if (vi == NULL) {
fprintf(stderr, "Unable to find double-buffered visual.\n");
fprintf(stderr, "(Things will look even worse).\n");
attr[dbuffer] = (int)None;
vi = glXChooseVisual(display, DefaultScreen(display), attr);
if (vi == NULL) fprintf(stderr, "Can't find visual at all.\n");
}
}
return vi;
}
#endif
#ifdef GLX_MOTIF
Widget create_widgets(Widget parent)
{
Widget main_window;
Widget menu_bar;
Widget menu_pane;
Widget button;
Widget cascade;
Widget frame;
XVisualInfo *vi;
Arg args[max_args];
int argcount;
char buffer[128];
int i;
main_window = XmCreateMainWindow(parent, "main1", NULL, 0);
XtManageChild(main_window);
menu_bar = XmCreateMenuBar(main_window, "menu_bar", NULL, 0);
XtManageChild(menu_bar);
menu_pane = XmCreatePulldownMenu(menu_bar, "menu_pane", NULL, 0);
button = XmCreatePushButton(menu_pane, "Exit", NULL, 0);
XtManageChild(button);
XtAddCallback(button, XmNactivateCallback, (XtCallbackProc)exitCB, NULL);
XtSetArg(args[0], XmNsubMenuId, menu_pane);
cascade = XmCreateCascadeButton(menu_bar, "File", args, 1);
XtManageChild(cascade);
argcount = 0;
XtSetArg(args[argcount], XmNradioBehavior, True); argcount++;
menu_pane = XmCreatePulldownMenu(menu_bar, "menu_pane", args, argcount);
XtSetArg(args[0], XmNset, TRUE);
for (i = 0; i < nindices; i++) {
if (i == def_refraction_index) argcount = 1;
else argcount = 0;
button = XmCreateToggleButton(menu_pane, (char *)indices[i].name,
args, argcount);
XtManageChild(button);
XtAddCallback(button, XmNvalueChangedCallback,
(XtCallbackProc)refractionCB,
(XtPointer)(&indices[i].index));
}
XtSetArg(args[0], XmNsubMenuId, menu_pane);
cascade = XmCreateCascadeButton(menu_bar, "Material", args, 1);
XtManageChild(cascade);
menu_pane = XmCreatePulldownMenu(menu_bar, "menu_pane", NULL, 0);
XtSetArg(args[0], XmNset, draw_square);
button = XmCreateToggleButton(menu_pane, "Draw Square", args, 1);
XtManageChild(button);
XtAddCallback(button, XmNvalueChangedCallback,
(XtCallbackProc)drawSomethingCB, &draw_square);
XtSetArg(args[0], XmNset, draw_shadows);
button = XmCreateToggleButton(menu_pane, "Draw Shadows", args, 1);
XtManageChild(button);
XtAddCallback(button, XmNvalueChangedCallback,
(XtCallbackProc)drawSomethingCB, &draw_shadows);
XtSetArg(args[0], XmNset, draw_refraction);
button = XmCreateToggleButton(menu_pane, "Draw Refraction", args, 1);
XtManageChild(button);
XtAddCallback(button, XmNvalueChangedCallback,
(XtCallbackProc)drawSomethingCB, &draw_refraction);
XtSetArg(args[0], XmNset, draw_sphere);
button = XmCreateToggleButton(menu_pane, "Draw Sphere", args, 1);
XtManageChild(button);
XtAddCallback(button, XmNvalueChangedCallback,
(XtCallbackProc)drawSomethingCB, &draw_sphere);
XtSetArg(args[0], XmNset, draw_lights);
button = XmCreateToggleButton(menu_pane, "Draw Lights", args, 1);
XtManageChild(button);
XtAddCallback(button, XmNvalueChangedCallback,
(XtCallbackProc)drawSomethingCB, &draw_lights);
#ifdef TEXTURE
XtSetArg(args[0], XmNset, draw_texture);
button = XmCreateToggleButton(menu_pane, "Texture Map", args, 1);
XtManageChild(button);
XtAddCallback(button, XmNvalueChangedCallback,
(XtCallbackProc)drawSomethingCB, &draw_texture);
#endif
XtSetArg(args[0], XmNsubMenuId, menu_pane);
cascade = XmCreateCascadeButton(menu_bar, "Draw", args, 1);
XtManageChild(cascade);
argcount = 0;
XtSetArg(args[argcount], XmNradioBehavior, True); argcount++;
menu_pane = XmCreatePulldownMenu(menu_bar, "menu_pane", args, argcount);
XtSetArg(args[0], XmNset, TRUE);
for (i = 0; i < npossible_divisions; i++) {
if (i == def_divisions_index) argcount = 1;
else argcount = 0;
sprintf(buffer, "%d", possible_divisions[i]);
button = XmCreateToggleButton(menu_pane, buffer, args, argcount);
XtManageChild(button);
XtAddCallback(button, XmNvalueChangedCallback,
(XtCallbackProc)subdivisionCB, &possible_divisions[i]);
}
XtSetArg(args[0], XmNsubMenuId, menu_pane);
cascade = XmCreateCascadeButton(menu_bar, "Subdivision", args, 1);
XtManageChild(cascade);
menu_pane = XmCreatePulldownMenu(menu_bar, "menu_pane", args, argcount);
button = XmCreatePushButton(menu_pane, "Reset Position", NULL, 0);
XtManageChild(button);
XtAddCallback(button, XmNactivateCallback,
(XtCallbackProc)resetLightsCB, NULL);
XtSetArg(args[0], XmNset, TRUE);
for (i = 0; i < nlights; i++) {
button = XmCreateToggleButton(menu_pane, lights[i].name, args,
lights[i].on ? 1 : 0);
XtManageChild(button);
XtAddCallback(button, XmNvalueChangedCallback,
(XtCallbackProc)light_onCB, &lights[i]);
}
XtSetArg(args[0], XmNsubMenuId, menu_pane);
cascade = XmCreateCascadeButton(menu_bar, "Lights", args, 1);
XtManageChild(cascade);
menu_pane = XmCreatePulldownMenu(menu_bar, "menu_pane", args,
argcount);
XtSetArg(args[0], XmNset, quick_moves);
button = XmCreateToggleButton(menu_pane, "Quick Motion",
args, 1);
XtManageChild(button);
XtAddCallback(button, XmNvalueChangedCallback,
(XtCallbackProc)intToggleCB, &quick_moves);
XtSetArg(args[0], XmNset, auto_motion);
button = XmCreateToggleButton(menu_pane, "Rotate Automatically",
args, 1);
XtManageChild(button);
XtAddCallback(button, XmNvalueChangedCallback,
(XtCallbackProc)autoMotionCB, NULL);
XtSetArg(args[0], XmNsubMenuId, menu_pane);
cascade = XmCreateCascadeButton(menu_bar, "Motion", args, 1);
XtManageChild(cascade);
argcount = 0;
XtSetArg(args[argcount], XmNmarginWidth, 0); argcount++;
XtSetArg(args[argcount], XmNmarginHeight, 0); argcount++;
XtSetArg(args[argcount], XmNshadowThickness, 1); argcount++;
XtSetArg(args[argcount], XmNshadowType, XmSHADOW_OUT); argcount++;
frame = XmCreateFrame(main_window, "frame", args, argcount);
XtManageChild(frame);
argcount = 0;
vi = find_visual();
if (vi) {
XtSetArg(args[argcount], GLwNvisualInfo, vi); argcount++;
}
else {
XtSetArg(args[argcount], GLwNrgba, TRUE); argcount++;
XtSetArg(args[argcount], GLwNdepthSize, 1); argcount++;
XtSetArg(args[argcount], GLwNdoublebuffer, TRUE); argcount++;
}
XtSetArg(args[argcount], XmNbottomAttachment, XmATTACH_FORM); argcount++;
XtSetArg(args[argcount], XmNtopAttachment, XmATTACH_FORM); argcount++;
XtSetArg(args[argcount], XmNleftAttachment, XmATTACH_FORM); argcount++;
XtSetArg(args[argcount], XmNrightAttachment, XmATTACH_FORM); argcount++;
glw = GLwCreateMDrawingArea(frame, "glwidget", args, argcount);
XtManageChild(glw);
XtAddCallback(glw, GLwNginitCallback, (XtCallbackProc)initCB, 0);
XtAddCallback(glw, GLwNexposeCallback, (XtCallbackProc)exposeCB, 0);
XtAddCallback(glw, GLwNresizeCallback, (XtCallbackProc)resizeCB, 0);
XtAddCallback(glw, GLwNinputCallback, (XtCallbackProc)inputCB, 0);
return main_window;
}
#endif
void main(int argc, char **argv)
{
auxInitDisplayMode(AUX_RGBA | AUX_STENCIL | AUX_DOUBLE );
auxInitPosition(100, 100, 300, 300);
auxInitWindow("BackTrace");
vCustomizeWnd();
scene_load_texture((char *)def_texfile);
vInit();
auxReshapeFunc(vResize);
//
// we've a choice of using accelerator or auxKeyFunc
// the use of auxKeyFunc here is solely for demonstration purpose
//
auxKeyFunc(AUX_SPACE, vQuickMove);
auxKeyFunc(AUX_RETURN, vResetLights);
auxKeyFunc(AUX_p, vAutoMotion);
auxKeyFunc(AUX_q, vDrawAll);
auxKeyFunc(AUX_w, vDrawSquare);
auxKeyFunc(AUX_e, vDrawShadow);
auxKeyFunc(AUX_r, vDrawRefraction);
auxKeyFunc(AUX_t, vDrawSphere);
auxKeyFunc(AUX_y, vDrawLight);
auxKeyFunc(AUX_u, vDrawTexture);
auxKeyFunc(AUX_a, vRefractionAIR);
auxKeyFunc(AUX_s, vRefractionICE);
auxKeyFunc(AUX_d, vRefractionWATER);
auxKeyFunc(AUX_f, vRefractionZincGLASS);
auxKeyFunc(AUX_g, vRefractionLightGLASS);
auxKeyFunc(AUX_h, vRefractionHeavyGLASS);
auxKeyFunc(AUX_1, vSubdivision10);
auxKeyFunc(AUX_2, vSubdivision20);
auxKeyFunc(AUX_3, vSubdivision30);
auxKeyFunc(AUX_4, vSubdivision40);
auxKeyFunc(AUX_R, vRLight_on);
auxKeyFunc(AUX_G, vGLight_on);
auxKeyFunc(AUX_B, vBLight_on);
auxMouseFunc(AUX_LEFTBUTTON, AUX_MOUSEDOWN, vMouseDown);
auxMouseFunc(AUX_MIDDLEBUTTON, AUX_MOUSEDOWN, vMouseDown);
auxMouseFunc(AUX_RIGHTBUTTON, AUX_MOUSEDOWN, vMouseDown);
auxMouseFunc(AUX_LEFTBUTTON, AUX_MOUSEUP, vLeftMouseUp);
auxMouseFunc(AUX_MIDDLEBUTTON, AUX_MOUSEUP, vMiddleMouseUp);
auxMouseFunc(AUX_RIGHTBUTTON, AUX_MOUSEUP, vRightMouseUp);
auxMouseFunc(AUX_LEFTBUTTON, AUX_MOUSELOC, vMouseMove);
auxMouseFunc(AUX_MIDDLEBUTTON, AUX_MOUSELOC, vMouseMove);
auxMouseFunc(AUX_RIGHTBUTTON, AUX_MOUSELOC, vMouseMove);
auxMainLoop(draw);
return;
}
#ifdef GLX_MOTIF
void main(int argc, char **argv)
{
Widget app_shell;
Arg args[max_args];
int argcount;
scene_load_texture((char *)def_texfile);
XtToolkitInitialize();
app_context = XtCreateApplicationContext();
display = XtOpenDisplay(app_context, NULL, argv[0],
"XMdemos", NULL, 0, &argc, argv);
if (!display) {
XtWarning("Can't open display.");
exit(0);
}
argcount = 0;
XtSetArg(args[argcount], XmNmaxAspectX, 1); argcount++;
XtSetArg(args[argcount], XmNmaxAspectY, 1); argcount++;
XtSetArg(args[argcount], XmNminAspectX, 1); argcount++;
XtSetArg(args[argcount], XmNminAspectY, 1); argcount++;
app_shell =
XtAppCreateShell(argv[0], "XMdemos", applicationShellWidgetClass,
display, args, argcount);
create_widgets(app_shell);
XtRealizeWidget(app_shell);
XtAppMainLoop(app_context);
}
#endif
/**************************************************************************\
*
* function: MyWndProc
*
* input parameters: normal window procedure parameters.
*
\**************************************************************************/
LRESULT APIENTRY MyWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
WNDPROC pfnOldProc;
static UINT_PTR uiTmID = 0;
int wmId, wmEvent;
pfnOldProc = (WNDPROC) GetWindowLongPtr (hwnd, GWLP_USERDATA);
switch (message) {
case WM_COMMAND: {
HMENU hmenu;
hmenu = GetMenu(auxGetHWND());
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
switch (wmId) {
case IDM_EXIT : vExit(); break;
case IDM_AIR :
case IDM_ICE :
case IDM_WATER :
case IDM_ZINC :
case IDM_LIGHT :
case IDM_HEAVY : vRefraction(wmId - IDM_AIR); break;
case IDM_SQUARE :
{
if (draw_square)
CheckMenuItem(hmenu, IDM_SQUARE, MF_BYCOMMAND | MF_UNCHECKED);
else
CheckMenuItem(hmenu, IDM_SQUARE, MF_BYCOMMAND | MF_CHECKED);
vDrawStuff(&draw_square);
break;
}
case IDM_SHADOW :
{
if (draw_shadows)
CheckMenuItem(hmenu, IDM_SHADOW, MF_BYCOMMAND | MF_UNCHECKED);
else
CheckMenuItem(hmenu, IDM_SHADOW, MF_BYCOMMAND | MF_CHECKED);
vDrawStuff(&draw_shadows);
break;
}
case IDM_REFRACTION:
{
if (draw_refraction)
CheckMenuItem(hmenu, IDM_REFRACTION, MF_BYCOMMAND | MF_UNCHECKED);
else
CheckMenuItem(hmenu, IDM_REFRACTION, MF_BYCOMMAND | MF_CHECKED);
vDrawStuff(&draw_refraction);
break;
}
case IDM_SPHERE :
{
if (draw_sphere)
CheckMenuItem(hmenu, IDM_SPHERE, MF_BYCOMMAND | MF_UNCHECKED);
else
CheckMenuItem(hmenu, IDM_SPHERE, MF_BYCOMMAND | MF_CHECKED);
vDrawStuff(&draw_sphere);
break;
}
case IDM_LIGHTS :
{
if (draw_lights)
CheckMenuItem(hmenu, IDM_LIGHTS, MF_BYCOMMAND | MF_UNCHECKED);
else
CheckMenuItem(hmenu, IDM_LIGHTS, MF_BYCOMMAND | MF_CHECKED);
vDrawStuff(&draw_lights);
break;
}
case IDM_TEXTURE :
{
if (draw_texture)
CheckMenuItem(hmenu, IDM_TEXTURE, MF_BYCOMMAND | MF_UNCHECKED);
else
CheckMenuItem(hmenu, IDM_TEXTURE, MF_BYCOMMAND | MF_CHECKED);
vDrawStuff(&draw_texture);
break;
}
case IDM_ALL : vDrawAll(); break;
case IDM_10 :
case IDM_20 :
case IDM_30 :
case IDM_40 : vSubdivision(wmId - IDM_10); break;
case IDM_RESETLGT : vResetLights(); break;
case IDM_RED :
case IDM_GREEN :
case IDM_BLUE : vLight_on(wmId - IDM_RED); break;
case IDM_QUICK : vQuickMove(); break;
case IDM_AUTO : vAutoMotion(); break;
default:
break;
}
}
case WM_USER:
if (auto_motion) {
uiTmID = SetTimer(hwnd, 1, 1, NULL);
if (uiTmID == 0)
OutputDebugString("failed to create timer\n");
} else {
if (uiTmID != 0) {
KillTimer(hwnd, uiTmID);
uiTmID = 0;
}
}
return 0;
case WM_TIMER: {
//static int cnt=0;
//char text[128];
bAutoMotion();
//wsprintf(text, "WM_TIMER %d\n", cnt++);
//OutputDebugString(text);
return 0;
}
case WM_DESTROY:
if (uiTmID != 0)
KillTimer(hwnd, uiTmID);
return CallWindowProc(pfnOldProc, hwnd, message, wParam, lParam);
default:
return CallWindowProc(pfnOldProc, hwnd, message, wParam, lParam);
} /* end switch */
return 0;
}
/**************************************************************************\
* function: SubclassWindow
*
* input parameters:
* hwnd - window handle to be subclassed,
* SubclassWndProc - the new window procedure.
*
\**************************************************************************/
VOID SubclassWindow (HWND hwnd, WNDPROC SubclassWndProc)
{
LONG_PTR pfnOldProc;
pfnOldProc = GetWindowLongPtr (hwnd, GWLP_WNDPROC);
SetWindowLongPtr (hwnd, GWLP_USERDATA, (LONG_PTR) pfnOldProc);
SetWindowLongPtr (hwnd, GWLP_WNDPROC, (LONG_PTR) SubclassWndProc);
}
/******************************Public*Routine******************************\
*
* vCustomizeWnd
*
* Effects: Subclass the window created by the toolkit
* Add menu bar to the window
* Setup timer
*
* History:
* 01-Dec-1993
*
\**************************************************************************/
void vCustomizeWnd(void)
{
HWND hWnd;
if ((hWnd = auxGetHWND()) == NULL) {
OutputDebugString("auxGetHWND() failed\n");
return;
}
SubclassWindow (hWnd, MyWndProc);
SendMessage(hWnd, WM_USER, 0L, 0L);
SetMenu(hWnd, LoadMenu(GetModuleHandle(NULL), "Backtrac"));
DrawMenuBar(hWnd);
return;
}