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author | dan miller | 2007-10-19 05:22:23 +0000 |
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committer | dan miller | 2007-10-19 05:22:23 +0000 |
commit | 1ec410ecd725f5a3ccb2d2fc16f48730d9d9fe43 (patch) | |
tree | 51bcae7a1b8381a6bf6fd8025a7de1e30fe0045d /libraries/ode-0.9/drawstuff/src/x11.cpp | |
parent | one more for the gipper (diff) | |
download | opensim-SC_OLD-1ec410ecd725f5a3ccb2d2fc16f48730d9d9fe43.zip opensim-SC_OLD-1ec410ecd725f5a3ccb2d2fc16f48730d9d9fe43.tar.gz opensim-SC_OLD-1ec410ecd725f5a3ccb2d2fc16f48730d9d9fe43.tar.bz2 opensim-SC_OLD-1ec410ecd725f5a3ccb2d2fc16f48730d9d9fe43.tar.xz |
trying to fix my screwup, please hold on
Diffstat (limited to 'libraries/ode-0.9/drawstuff/src/x11.cpp')
-rw-r--r-- | libraries/ode-0.9/drawstuff/src/x11.cpp | 418 |
1 files changed, 0 insertions, 418 deletions
diff --git a/libraries/ode-0.9/drawstuff/src/x11.cpp b/libraries/ode-0.9/drawstuff/src/x11.cpp deleted file mode 100644 index 639ce7b..0000000 --- a/libraries/ode-0.9/drawstuff/src/x11.cpp +++ /dev/null | |||
@@ -1,418 +0,0 @@ | |||
1 | /************************************************************************* | ||
2 | * * | ||
3 | * Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. * | ||
4 | * All rights reserved. Email: russ@q12.org Web: www.q12.org * | ||
5 | * * | ||
6 | * This library is free software; you can redistribute it and/or * | ||
7 | * modify it under the terms of EITHER: * | ||
8 | * (1) The GNU Lesser General Public License as published by the Free * | ||
9 | * Software Foundation; either version 2.1 of the License, or (at * | ||
10 | * your option) any later version. The text of the GNU Lesser * | ||
11 | * General Public License is included with this library in the * | ||
12 | * file LICENSE.TXT. * | ||
13 | * (2) The BSD-style license that is included with this library in * | ||
14 | * the file LICENSE-BSD.TXT. * | ||
15 | * * | ||
16 | * This library is distributed in the hope that it will be useful, * | ||
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files * | ||
19 | * LICENSE.TXT and LICENSE-BSD.TXT for more details. * | ||
20 | * * | ||
21 | *************************************************************************/ | ||
22 | |||
23 | // main window and event handling for X11 | ||
24 | |||
25 | #include <ode/config.h> | ||
26 | #include <stdlib.h> | ||
27 | #include <string.h> | ||
28 | #include <stdarg.h> | ||
29 | #include <X11/Xlib.h> | ||
30 | #include <X11/Xatom.h> | ||
31 | #include <X11/keysym.h> | ||
32 | #include <GL/glx.h> | ||
33 | |||
34 | #ifdef HAVE_SYS_TIME_H | ||
35 | #include <sys/time.h> | ||
36 | #endif | ||
37 | |||
38 | #include <drawstuff/drawstuff.h> | ||
39 | #include <drawstuff/version.h> | ||
40 | #include "internal.h" | ||
41 | |||
42 | //*************************************************************************** | ||
43 | // error handling for unix | ||
44 | |||
45 | static void printMessage (char *msg1, char *msg2, va_list ap) | ||
46 | { | ||
47 | fflush (stderr); | ||
48 | fflush (stdout); | ||
49 | fprintf (stderr,"\n%s: ",msg1); | ||
50 | vfprintf (stderr,msg2,ap); | ||
51 | fprintf (stderr,"\n"); | ||
52 | fflush (stderr); | ||
53 | } | ||
54 | |||
55 | |||
56 | extern "C" void dsError (char *msg, ...) | ||
57 | { | ||
58 | va_list ap; | ||
59 | va_start (ap,msg); | ||
60 | printMessage ("Error",msg,ap); | ||
61 | exit (1); | ||
62 | } | ||
63 | |||
64 | |||
65 | extern "C" void dsDebug (char *msg, ...) | ||
66 | { | ||
67 | va_list ap; | ||
68 | va_start (ap,msg); | ||
69 | printMessage ("INTERNAL ERROR",msg,ap); | ||
70 | // *((char *)0) = 0; ... commit SEGVicide ? | ||
71 | abort(); | ||
72 | } | ||
73 | |||
74 | |||
75 | extern "C" void dsPrint (char *msg, ...) | ||
76 | { | ||
77 | va_list ap; | ||
78 | va_start (ap,msg); | ||
79 | vprintf (msg,ap); | ||
80 | } | ||
81 | |||
82 | //*************************************************************************** | ||
83 | // openGL window | ||
84 | |||
85 | // X11 display info | ||
86 | static Display *display=0; | ||
87 | static int screen=0; | ||
88 | static XVisualInfo *visual=0; // best visual for openGL | ||
89 | static Colormap colormap=0; // window's colormap | ||
90 | static Atom wm_protocols_atom = 0; | ||
91 | static Atom wm_delete_window_atom = 0; | ||
92 | |||
93 | // window and openGL | ||
94 | static Window win=0; // X11 window, 0 if not initialized | ||
95 | static int width=0,height=0; // window size | ||
96 | static GLXContext glx_context=0; // openGL rendering context | ||
97 | static int last_key_pressed=0; // last key pressed in the window | ||
98 | static int run=1; // 1 if simulation running | ||
99 | static int pause=0; // 1 if in `pause' mode | ||
100 | static int singlestep=0; // 1 if single step key pressed | ||
101 | static int writeframes=0; // 1 if frame files to be written | ||
102 | |||
103 | |||
104 | static void createMainWindow (int _width, int _height) | ||
105 | { | ||
106 | // create X11 display connection | ||
107 | display = XOpenDisplay (NULL); | ||
108 | if (!display) dsError ("can not open X11 display"); | ||
109 | screen = DefaultScreen(display); | ||
110 | |||
111 | // get GL visual | ||
112 | static int attribList[] = {GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE,16, | ||
113 | GLX_RED_SIZE,4, GLX_GREEN_SIZE,4, | ||
114 | GLX_BLUE_SIZE,4, None}; | ||
115 | visual = glXChooseVisual (display,screen,attribList); | ||
116 | if (!visual) dsError ("no good X11 visual found for OpenGL"); | ||
117 | |||
118 | // create colormap | ||
119 | colormap = XCreateColormap (display,RootWindow(display,screen), | ||
120 | visual->visual,AllocNone); | ||
121 | |||
122 | // initialize variables | ||
123 | win = 0; | ||
124 | width = _width; | ||
125 | height = _height; | ||
126 | glx_context = 0; | ||
127 | last_key_pressed = 0; | ||
128 | |||
129 | if (width < 1 || height < 1) dsDebug (0,"bad window width or height"); | ||
130 | |||
131 | // create the window | ||
132 | XSetWindowAttributes attributes; | ||
133 | attributes.background_pixel = BlackPixel(display,screen); | ||
134 | attributes.colormap = colormap; | ||
135 | attributes.event_mask = ButtonPressMask | ButtonReleaseMask | | ||
136 | KeyPressMask | KeyReleaseMask | ButtonMotionMask | PointerMotionHintMask | | ||
137 | StructureNotifyMask; | ||
138 | win = XCreateWindow (display,RootWindow(display,screen),50,50,width,height, | ||
139 | 0,visual->depth, InputOutput,visual->visual, | ||
140 | CWBackPixel | CWColormap | CWEventMask,&attributes); | ||
141 | |||
142 | // associate a GLX context with the window | ||
143 | glx_context = glXCreateContext (display,visual,0,GL_TRUE); | ||
144 | if (!glx_context) dsError ("can't make an OpenGL context"); | ||
145 | |||
146 | // set the window title | ||
147 | XTextProperty window_name; | ||
148 | window_name.value = (unsigned char *) "Simulation"; | ||
149 | window_name.encoding = XA_STRING; | ||
150 | window_name.format = 8; | ||
151 | window_name.nitems = strlen((char *) window_name.value); | ||
152 | XSetWMName (display,win,&window_name); | ||
153 | |||
154 | // participate in the window manager 'delete yourself' protocol | ||
155 | wm_protocols_atom = XInternAtom (display,"WM_PROTOCOLS",False); | ||
156 | wm_delete_window_atom = XInternAtom (display,"WM_DELETE_WINDOW",False); | ||
157 | if (XSetWMProtocols (display,win,&wm_delete_window_atom,1)==0) | ||
158 | dsError ("XSetWMProtocols() call failed"); | ||
159 | |||
160 | // pop up the window | ||
161 | XMapWindow (display,win); | ||
162 | XSync (display,win); | ||
163 | } | ||
164 | |||
165 | |||
166 | static void destroyMainWindow() | ||
167 | { | ||
168 | glXDestroyContext (display,glx_context); | ||
169 | XDestroyWindow (display,win); | ||
170 | XSync (display,0); | ||
171 | XCloseDisplay(display); | ||
172 | display = 0; | ||
173 | win = 0; | ||
174 | glx_context = 0; | ||
175 | } | ||
176 | |||
177 | |||
178 | static void handleEvent (XEvent &event, dsFunctions *fn) | ||
179 | { | ||
180 | static int mx=0,my=0; // mouse position | ||
181 | static int mode = 0; // mouse button bits | ||
182 | |||
183 | switch (event.type) { | ||
184 | |||
185 | case ButtonPress: { | ||
186 | if (event.xbutton.button == Button1) mode |= 1; | ||
187 | if (event.xbutton.button == Button2) mode |= 2; | ||
188 | if (event.xbutton.button == Button3) mode |= 4; | ||
189 | mx = event.xbutton.x; | ||
190 | my = event.xbutton.y; | ||
191 | } | ||
192 | return; | ||
193 | |||
194 | case ButtonRelease: { | ||
195 | if (event.xbutton.button == Button1) mode &= (~1); | ||
196 | if (event.xbutton.button == Button2) mode &= (~2); | ||
197 | if (event.xbutton.button == Button3) mode &= (~4); | ||
198 | mx = event.xbutton.x; | ||
199 | my = event.xbutton.x; | ||
200 | } | ||
201 | return; | ||
202 | |||
203 | case MotionNotify: { | ||
204 | if (event.xmotion.is_hint) { | ||
205 | Window root,child; | ||
206 | unsigned int mask; | ||
207 | XQueryPointer (display,win,&root,&child,&event.xbutton.x_root, | ||
208 | &event.xbutton.y_root,&event.xbutton.x,&event.xbutton.y, | ||
209 | &mask); | ||
210 | } | ||
211 | dsMotion (mode, event.xmotion.x - mx, event.xmotion.y - my); | ||
212 | mx = event.xmotion.x; | ||
213 | my = event.xmotion.y; | ||
214 | } | ||
215 | return; | ||
216 | |||
217 | case KeyPress: { | ||
218 | KeySym key; | ||
219 | XLookupString (&event.xkey,NULL,0,&key,0); | ||
220 | if ((event.xkey.state & ControlMask) == 0) { | ||
221 | if (key >= ' ' && key <= 126 && fn->command) fn->command (key); | ||
222 | } | ||
223 | else if (event.xkey.state & ControlMask) { | ||
224 | switch (key) { | ||
225 | case 't': case 'T': | ||
226 | dsSetTextures (dsGetTextures() ^ 1); | ||
227 | break; | ||
228 | case 's': case 'S': | ||
229 | dsSetShadows (dsGetShadows() ^ 1); | ||
230 | break; | ||
231 | case 'x': case 'X': | ||
232 | run = 0; | ||
233 | break; | ||
234 | case 'p': case 'P': | ||
235 | pause ^= 1; | ||
236 | singlestep = 0; | ||
237 | break; | ||
238 | case 'o': case 'O': | ||
239 | if (pause) singlestep = 1; | ||
240 | break; | ||
241 | case 'v': case 'V': { | ||
242 | float xyz[3],hpr[3]; | ||
243 | dsGetViewpoint (xyz,hpr); | ||
244 | printf ("Viewpoint = (%.4f,%.4f,%.4f,%.4f,%.4f,%.4f)\n", | ||
245 | xyz[0],xyz[1],xyz[2],hpr[0],hpr[1],hpr[2]); | ||
246 | break; | ||
247 | } | ||
248 | case 'w': case 'W': | ||
249 | writeframes ^= 1; | ||
250 | if (writeframes) printf ("Now writing frames to PPM files\n"); | ||
251 | break; | ||
252 | } | ||
253 | } | ||
254 | last_key_pressed = key; // a kludgy place to put this... | ||
255 | } | ||
256 | return; | ||
257 | |||
258 | case KeyRelease: { | ||
259 | // hmmmm... | ||
260 | } | ||
261 | return; | ||
262 | |||
263 | case ClientMessage: | ||
264 | if (event.xclient.message_type == wm_protocols_atom && | ||
265 | event.xclient.format == 32 && | ||
266 | Atom(event.xclient.data.l[0]) == wm_delete_window_atom) { | ||
267 | run = 0; | ||
268 | return; | ||
269 | } | ||
270 | return; | ||
271 | |||
272 | case ConfigureNotify: | ||
273 | width = event.xconfigure.width; | ||
274 | height = event.xconfigure.height; | ||
275 | return; | ||
276 | } | ||
277 | } | ||
278 | |||
279 | |||
280 | // return the index of the highest bit | ||
281 | static int getHighBitIndex (unsigned int x) | ||
282 | { | ||
283 | int i = 0; | ||
284 | while (x) { | ||
285 | i++; | ||
286 | x >>= 1; | ||
287 | } | ||
288 | return i-1; | ||
289 | } | ||
290 | |||
291 | |||
292 | // shift x left by i, where i can be positive or negative | ||
293 | #define SHIFTL(x,i) (((i) >= 0) ? ((x) << (i)) : ((x) >> (-i))) | ||
294 | |||
295 | |||
296 | static void captureFrame (int num) | ||
297 | { | ||
298 | fprintf (stderr,"capturing frame %04d\n",num); | ||
299 | |||
300 | char s[100]; | ||
301 | sprintf (s,"frame/frame%04d.ppm",num); | ||
302 | FILE *f = fopen (s,"wb"); | ||
303 | if (!f) dsError ("can't open \"%s\" for writing",s); | ||
304 | fprintf (f,"P6\n%d %d\n255\n",width,height); | ||
305 | XImage *image = XGetImage (display,win,0,0,width,height,~0,ZPixmap); | ||
306 | |||
307 | int rshift = 7 - getHighBitIndex (image->red_mask); | ||
308 | int gshift = 7 - getHighBitIndex (image->green_mask); | ||
309 | int bshift = 7 - getHighBitIndex (image->blue_mask); | ||
310 | |||
311 | for (int y=0; y<height; y++) { | ||
312 | for (int x=0; x<width; x++) { | ||
313 | unsigned long pixel = XGetPixel (image,x,y); | ||
314 | unsigned char b[3]; | ||
315 | b[0] = SHIFTL(pixel & image->red_mask,rshift); | ||
316 | b[1] = SHIFTL(pixel & image->green_mask,gshift); | ||
317 | b[2] = SHIFTL(pixel & image->blue_mask,bshift); | ||
318 | fwrite (b,3,1,f); | ||
319 | } | ||
320 | } | ||
321 | fclose (f); | ||
322 | XDestroyImage (image); | ||
323 | } | ||
324 | |||
325 | |||
326 | void dsPlatformSimLoop (int window_width, int window_height, dsFunctions *fn, | ||
327 | int initial_pause) | ||
328 | { | ||
329 | pause = initial_pause; | ||
330 | createMainWindow (window_width, window_height); | ||
331 | glXMakeCurrent (display,win,glx_context); | ||
332 | |||
333 | dsStartGraphics (window_width,window_height,fn); | ||
334 | |||
335 | static bool firsttime=true; | ||
336 | if (firsttime) | ||
337 | { | ||
338 | fprintf | ||
339 | ( | ||
340 | stderr, | ||
341 | "\n" | ||
342 | "Simulation test environment v%d.%02d\n" | ||
343 | " Ctrl-P : pause / unpause (or say `-pause' on command line).\n" | ||
344 | " Ctrl-O : single step when paused.\n" | ||
345 | " Ctrl-T : toggle textures (or say `-notex' on command line).\n" | ||
346 | " Ctrl-S : toggle shadows (or say `-noshadow' on command line).\n" | ||
347 | " Ctrl-V : print current viewpoint coordinates (x,y,z,h,p,r).\n" | ||
348 | " Ctrl-W : write frames to ppm files: frame/frameNNN.ppm\n" | ||
349 | " Ctrl-X : exit.\n" | ||
350 | "\n" | ||
351 | "Change the camera position by clicking + dragging in the window.\n" | ||
352 | " Left button - pan and tilt.\n" | ||
353 | " Right button - forward and sideways.\n" | ||
354 | " Left + Right button (or middle button) - sideways and up.\n" | ||
355 | "\n",DS_VERSION >> 8,DS_VERSION & 0xff | ||
356 | ); | ||
357 | firsttime = false; | ||
358 | } | ||
359 | |||
360 | if (fn->start) fn->start(); | ||
361 | |||
362 | int frame = 1; | ||
363 | run = 1; | ||
364 | while (run) { | ||
365 | // read in and process all pending events for the main window | ||
366 | XEvent event; | ||
367 | while (run && XPending (display)) { | ||
368 | XNextEvent (display,&event); | ||
369 | handleEvent (event,fn); | ||
370 | } | ||
371 | |||
372 | dsDrawFrame (width,height,fn,pause && !singlestep); | ||
373 | singlestep = 0; | ||
374 | |||
375 | glFlush(); | ||
376 | glXSwapBuffers (display,win); | ||
377 | XSync (display,0); | ||
378 | |||
379 | // capture frames if necessary | ||
380 | if (pause==0 && writeframes) { | ||
381 | captureFrame (frame); | ||
382 | frame++; | ||
383 | } | ||
384 | }; | ||
385 | |||
386 | if (fn->stop) fn->stop(); | ||
387 | dsStopGraphics(); | ||
388 | |||
389 | destroyMainWindow(); | ||
390 | } | ||
391 | |||
392 | |||
393 | extern "C" void dsStop() | ||
394 | { | ||
395 | run = 0; | ||
396 | } | ||
397 | |||
398 | |||
399 | extern "C" double dsElapsedTime() | ||
400 | { | ||
401 | #if HAVE_GETTIMEOFDAY | ||
402 | static double prev=0.0; | ||
403 | timeval tv ; | ||
404 | |||
405 | gettimeofday(&tv, 0); | ||
406 | double curr = tv.tv_sec + (double) tv.tv_usec / 1000000.0 ; | ||
407 | if (!prev) | ||
408 | prev=curr; | ||
409 | double retval = curr-prev; | ||
410 | prev=curr; | ||
411 | if (retval>1.0) retval=1.0; | ||
412 | if (retval<dEpsilon) retval=dEpsilon; | ||
413 | return retval; | ||
414 | #else | ||
415 | return 0.01666; // Assume 60 fps | ||
416 | #endif | ||
417 | } | ||
418 | |||