2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
3 SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
6 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
14 * $Source: /cvs/cvsroot/d2x/main/editor/medmisc.c,v $
17 * $Date: 2004-12-19 13:54:27 $
19 * Miscellaneous functions stripped out of med.c
21 * $Log: not supported by cvs2svn $
22 * Revision 1.1.1.1 1999/06/14 22:03:51 donut
23 * Import of d1x 1.37 source.
25 * Revision 2.1 1995/03/06 15:20:50 john
26 * New screen mode method.
28 * Revision 2.0 1995/02/27 11:36:40 john
29 * Version 2.0. Ansi-fied.
31 * Revision 1.31 1994/11/27 23:17:20 matt
32 * Made changes for new mprintf calling convention
34 * Revision 1.30 1994/11/17 14:48:11 mike
35 * validation functions moved from editor to game.
37 * Revision 1.29 1994/08/25 21:56:15 mike
40 * Revision 1.28 1994/08/09 16:06:00 john
41 * Added the ability to place players. Made old
42 * Player variable be ConsoleObject.
44 * Revision 1.27 1994/07/21 17:25:43 matt
45 * Took out unused func medlisp_create_new_mine() and its prototype
47 * Revision 1.26 1994/07/21 13:27:01 matt
48 * Cleaned up render code and added error checking
50 * Revision 1.25 1994/07/20 15:32:52 matt
51 * Added func to call g3_point_2_vec() for texture-mapped window
53 * Revision 1.24 1994/07/15 15:26:53 yuan
56 * Revision 1.23 1994/07/14 14:45:16 yuan
57 * Added function to set default segment and attach.
59 * Revision 1.22 1994/07/14 09:46:34 yuan
60 * Make E attach segment as well as make default.
63 * Revision 1.21 1994/07/11 18:39:17 john
64 * Reversed y axis roll.
66 * Revision 1.20 1994/07/06 16:36:32 mike
67 * Add hook for game to render wireframe view: draw_world_from_game.
69 * Revision 1.19 1994/06/24 14:08:31 john
70 * Changed calling params for render_frame.
72 * Revision 1.18 1994/06/23 15:54:02 matt
73 * Finished hacking in 3d rendering in big window
75 * Revision 1.17 1994/06/22 00:32:56 matt
76 * New version, without all the errors of the last version. Sorry.
78 * Revision 1.15 1994/05/23 14:48:54 mike
79 * make current segment be add segment.
81 * Revision 1.14 1994/05/19 12:09:35 matt
82 * Use new vecmat macros and globals
84 * Revision 1.13 1994/05/14 17:17:55 matt
85 * Got rid of externs in source (non-header) files
87 * Revision 1.12 1994/05/09 23:35:06 mike
88 * Add ClearFoundList, which is probably no longer being called.
90 * Revision 1.11 1994/05/04 14:11:40 mike
91 * Increase render depth from 4 to 6 by default.
93 * Revision 1.10 1994/04/27 21:00:25 matt
94 * Made texture-mapped window redraw when editor state variables (such as
95 * current object) have changed.
97 * Revision 1.9 1994/03/31 12:03:38 matt
100 * Revision 1.8 1994/02/17 11:31:21 matt
101 * Changes in object system
103 * Revision 1.7 1994/02/11 11:05:14 yuan
104 * Make chase mode unsettable... Gives a warning on the mono.
106 * Revision 1.6 1994/01/21 17:37:24 matt
107 * Moved code from render_frame() to caller, making code cleaner
109 * Revision 1.5 1994/01/11 18:12:43 yuan
110 * compress_mines removed. Now it is called within
111 * the gamesave.min save whenever we go into the game.
113 * Revision 1.4 1994/01/05 10:54:15 john
114 * New object code by John
116 * Revision 1.3 1993/12/29 16:15:27 mike
117 * Kill scale field from segment struct.
119 * Revision 1.2 1993/12/17 12:05:00 john
120 * Took stuff out of med.c; moved into medsel.c, meddraw.c, medmisc.c
122 * Revision 1.1 1993/12/17 08:35:47 john
130 static char rcsid[] = "$Id: medmisc.c,v 1.1 2004-12-19 13:54:27 btb Exp $";
152 #include "editor/editor.h"
159 #include "texpage.h" // For texpage_goto_first
160 #include "meddraw.h" // For draw_World
163 //return 2d distance, i.e, sqrt(x*x + y*y)
165 long dist_2d(long x,long y);
167 #pragma aux dist_2d parm [eax] [ebx] value [eax] modify [ecx edx] = \
177 long dist_2d(long x,long y) {
178 return (long)sqrt((double)x * (double)x + (double)y * (double)y);
182 // Given mouse movement in dx, dy, returns a 3x3 rotation matrix in RotMat.
183 // Taken from Graphics Gems III, page 51, "The Rolling Ball"
185 void GetMouseRotation( int idx, int idy, vms_matrix * RotMat )
187 fix dr, cos_theta, sin_theta, denom, cos_theta1;
188 fix Radius = i2f(100);
194 dx = i2f(idx); dy = i2f(idy);
198 denom = dist_2d(Radius,dr);
200 cos_theta = fixdiv(Radius,denom);
201 sin_theta = fixdiv(dr,denom);
203 cos_theta1 = f1_0 - cos_theta;
205 dxdr = fixdiv(dx,dr);
206 dydr = fixdiv(dy,dr);
208 RotMat->rvec.x = cos_theta + fixmul(fixmul(dydr,dydr),cos_theta1);
209 RotMat->uvec.x = - fixmul(fixmul(dxdr,dydr),cos_theta1);
210 RotMat->fvec.x = fixmul(dxdr,sin_theta);
212 RotMat->rvec.y = RotMat->uvec.x;
213 RotMat->uvec.y = cos_theta + fixmul(fixmul(dxdr,dxdr),cos_theta1);
214 RotMat->fvec.y = fixmul(dydr,sin_theta);
216 RotMat->rvec.z = -RotMat->fvec.x;
217 RotMat->uvec.z = -RotMat->fvec.y;
218 RotMat->fvec.z = cos_theta;
222 int Gameview_lockstep; //if set, view is locked to Curseg
226 Gameview_lockstep = !Gameview_lockstep;
227 if (Gameview_lockstep == 0) {
228 if (last_keypress != KEY_L)
229 diagnostic_message("[L] - Lock mode OFF");
231 diagnostic_message("Lock mode OFF");
233 if (Gameview_lockstep) {
234 if (last_keypress != KEY_L)
235 diagnostic_message("[L] Lock mode ON");
237 diagnostic_message("Lock mode ON");
239 Cursegp = &Segments[ConsoleObject->segnum];
240 med_create_new_segment_from_cursegp();
241 set_view_target_from_segment(Cursegp);
242 Update_flags = UF_ED_STATE_CHANGED;
244 return Gameview_lockstep;
247 int medlisp_delete_segment(void)
249 if (!med_delete_segment(Cursegp)) {
250 if (Lock_view_to_cursegp)
251 set_view_target_from_segment(Cursegp);
252 autosave_mine(mine_filename);
253 strcpy(undo_status[Autosave_count], "Delete Segment UNDONE.");
254 Update_flags |= UF_WORLD_CHANGED;
256 diagnostic_message("Segment deleted.");
257 warn_if_concave_segments(); // This could be faster -- just check if deleted segment was concave, warn accordingly
263 int medlisp_scale_segment(void)
268 scale.x = fl2f((float) func_get_param(0));
269 scale.y = fl2f((float) func_get_param(1));
270 scale.z = fl2f((float) func_get_param(2));
271 med_create_new_segment(&scale);
272 med_rotate_segment(Cursegp,vm_angles_2_matrix(&rotmat,&Seg_orientation));
273 Update_flags |= UF_WORLD_CHANGED;
279 int medlisp_rotate_segment(void)
283 Seg_orientation.p = func_get_param(0);
284 Seg_orientation.b = func_get_param(1);
285 Seg_orientation.h = func_get_param(2);
286 med_rotate_segment(Cursegp,vm_angles_2_matrix(&rotmat,&Seg_orientation));
287 Update_flags |= UF_WORLD_CHANGED | UF_VIEWPOINT_MOVED;
292 int ToggleLockViewToCursegp(void)
294 Lock_view_to_cursegp = !Lock_view_to_cursegp;
295 Update_flags = UF_ED_STATE_CHANGED;
296 if (Lock_view_to_cursegp) {
297 if (last_keypress != KEY_V+KEY_CTRLED)
298 diagnostic_message("[ctrl-V] View locked to Cursegp.");
300 diagnostic_message("View locked to Cursegp.");
301 set_view_target_from_segment(Cursegp);
303 if (last_keypress != KEY_V+KEY_CTRLED)
304 diagnostic_message("[ctrl-V] View not locked to Cursegp.");
306 diagnostic_message("View not locked to Cursegp.");
308 return Lock_view_to_cursegp;
311 int ToggleDrawAllSegments()
313 Draw_all_segments = !Draw_all_segments;
314 Update_flags = UF_ED_STATE_CHANGED;
315 if (Draw_all_segments == 1) {
316 if (last_keypress != KEY_A+KEY_CTRLED)
317 diagnostic_message("[ctrl-A] Draw all segments ON.");
319 diagnostic_message("Draw all segments ON.");
321 if (Draw_all_segments == 0) {
322 if (last_keypress != KEY_A+KEY_CTRLED)
323 diagnostic_message("[ctrl-A] Draw all segments OFF.");
325 diagnostic_message("Draw all segments OFF.");
327 return Draw_all_segments;
332 int IncreaseDrawDepth(void)
335 Update_flags = UF_ED_STATE_CHANGED;
339 int DecreaseDrawDepth(void)
343 Update_flags = UF_ED_STATE_CHANGED;
349 int ToggleCoordAxes()
351 // Toggle display of coordinate axes.
352 Show_axes_flag = !Show_axes_flag;
353 LargeView.ev_changed = 1;
354 if (Show_axes_flag == 1) {
355 if (last_keypress != KEY_D+KEY_CTRLED)
356 diagnostic_message("[ctrl-D] Coordinate axes ON.");
358 diagnostic_message("Coordinate axes ON.");
360 if (Show_axes_flag == 0) {
361 if (last_keypress != KEY_D+KEY_CTRLED)
362 diagnostic_message("[ctrl-D] Coordinate axes OFF.");
364 diagnostic_message("Coordinate axes OFF.");
366 return Show_axes_flag;
369 int med_keypad_goto_prev()
375 int med_keypad_goto_next()
381 int med_keypad_goto()
383 ui_pad_goto(func_get_param(0));
387 int render_3d_in_big_window=0;
389 int medlisp_update_screen()
393 if (!render_3d_in_big_window)
394 for (vn=0;vn<N_views;vn++)
395 if (Views[vn]->ev_changed || (Update_flags & (UF_WORLD_CHANGED|UF_VIEWPOINT_MOVED|UF_ED_STATE_CHANGED))) {
396 draw_world(Views[vn]->ev_canv,Views[vn],Cursegp,Big_depth);
397 Views[vn]->ev_changed = 0;
400 if (Update_flags & (UF_WORLD_CHANGED|UF_GAME_VIEW_CHANGED|UF_ED_STATE_CHANGED)) {
401 grs_canvas temp_canvas;
402 grs_canvas *render_canv,*show_canv;
404 if (render_3d_in_big_window) {
406 gr_init_sub_canvas(&temp_canvas,canv_offscreen,0,0,
407 LargeView.ev_canv->cv_bitmap.bm_w,LargeView.ev_canv->cv_bitmap.bm_h);
409 render_canv = &temp_canvas;
410 show_canv = LargeView.ev_canv;
414 render_canv = VR_offscreen_buffer;
415 show_canv = Canv_editor_game;
418 gr_set_current_canvas(render_canv);
421 Assert(render_canv->cv_bitmap.bm_w == show_canv->cv_bitmap.bm_w &&
422 render_canv->cv_bitmap.bm_h == show_canv->cv_bitmap.bm_h);
425 gr_bm_ubitblt(show_canv->cv_bitmap.bm_w,show_canv->cv_bitmap.bm_h,
426 0,0,0,0,&render_canv->cv_bitmap,&show_canv->cv_bitmap);
430 Update_flags=UF_NONE; //clear flags
435 void med_point_2_vec(grs_canvas *canv,vms_vector *v,short sx,short sy)
437 gr_set_current_canvas(canv);
440 g3_set_view_matrix(&Viewer->pos,&Viewer->orient,Render_zoom);
442 g3_point_2_vec(v,sx,sy);
449 void draw_world_from_game(void)
452 draw_world(Views[0]->ev_canv,Views[0],Cursegp,Big_depth);
459 if (Lock_view_to_cursegp)
460 set_view_target_from_segment(Cursegp);
462 if (Autosave_count==9) diagnostic_message(undo_status[0]);
464 diagnostic_message(undo_status[Autosave_count+1]);
467 if (u == 1) diagnostic_message("Can't Undo.");
469 if (u == 2) diagnostic_message("Can't Undo - Autosave OFF");
470 Update_flags |= UF_WORLD_CHANGED;
472 warn_if_concave_segments();
479 Autosave_flag = !Autosave_flag;
480 if (Autosave_flag == 1)
481 diagnostic_message("Autosave ON.");
483 diagnostic_message("Autosave OFF.");
484 return Autosave_flag;
490 if (med_attach_segment(Cursegp, &New_segment, Curside, AttachSide)==4) // Used to be WBACK instead of Curside
491 diagnostic_message("Cannot attach segment - already a connection on current side.");
493 if (Lock_view_to_cursegp)
494 set_view_target_from_segment(Cursegp);
495 vm_angvec_make(&Seg_orientation,0,0,0);
497 Update_flags |= UF_WORLD_CHANGED;
498 autosave_mine(mine_filename);
499 strcpy(undo_status[Autosave_count], "Attach Segment UNDONE.\n");
501 warn_if_concave_segment(Cursegp);
506 int ForceTotalRedraw()
508 Update_flags = UF_ALL;
516 // Make large view be same as one of the orthogonal views.
517 Large_view_index = (Large_view_index + 1) % 3; // keep in 0,1,2 for top, front, right
518 switch (Large_view_index) {
519 case 0: LargeView.ev_matrix = TopView.ev_matrix; break;
520 case 1: LargeView.ev_matrix = FrontView.ev_matrix; break;
521 case 2: LargeView.ev_matrix = RightView.ev_matrix; break;
523 Update_flags |= UF_VIEWPOINT_MOVED;
528 int DeleteCurSegment()
530 // Delete current segment.
531 med_delete_segment(Cursegp);
532 autosave_mine(mine_filename);
533 strcpy(undo_status[Autosave_count], "Delete segment UNDONE.");
534 if (Lock_view_to_cursegp)
535 set_view_target_from_segment(Cursegp);
536 Update_flags |= UF_WORLD_CHANGED;
538 diagnostic_message("Segment deleted.");
539 warn_if_concave_segments(); // This could be faster -- just check if deleted segment was concave, warn accordingly
544 int CreateDefaultNewSegment()
546 // Create a default segment for New_segment.
548 med_create_new_segment(vm_vec_make(&tempvec,DEFAULT_X_SIZE,DEFAULT_Y_SIZE,DEFAULT_Z_SIZE));
554 int CreateDefaultNewSegmentandAttach()
556 CreateDefaultNewSegment();
562 int ExchangeMarkandCurseg()
564 // If Markedsegp != Cursegp, and Markedsegp->segnum != -1, exchange Markedsegp and Cursegp
566 if (Markedsegp->segnum != -1) {
569 tempsegp = Markedsegp; Markedsegp = Cursegp; Cursegp = tempsegp;
570 tempside = Markedside; Markedside = Curside; Curside = tempside;
571 med_create_new_segment_from_cursegp();
572 Update_flags |= UF_ED_STATE_CHANGED;
578 int medlisp_add_segment()
581 //segment *ocursegp = Cursegp;
582 // med_attach_segment(Cursegp, &New_segment, Curside, WFRONT); // Used to be WBACK instead of Curside
583 //med_propagate_tmaps_to_segments(ocursegp,Cursegp);
584 // set_view_target_from_segment(Cursegp);
585 //// while (!vm_angvec_make(&Seg_orientation,0,0,0));
592 int ClearSelectedList(void)
595 Update_flags |= UF_WORLD_CHANGED;
597 diagnostic_message("Selected list cleared.");
603 int ClearFoundList(void)
606 Update_flags |= UF_WORLD_CHANGED;
608 diagnostic_message("Found list cleared.");
616 // ---------------------------------------------------------------------------------------------------
618 // View current segment (Cursegp) from the previous segment.
619 void set_chase_matrix(segment *sp)
622 vms_vector forvec = ZERO_VECTOR, upvec;
623 vms_vector tv = ZERO_VECTOR;
626 // move back two segments, if possible, else move back one, if possible, else use current
627 if (IS_CHILD(sp->children[WFRONT])) {
628 psp = &Segments[sp->children[WFRONT]];
629 if (IS_CHILD(psp->children[WFRONT]))
630 psp = &Segments[psp->children[WFRONT]];
634 for (v=0; v<MAX_VERTICES_PER_SEGMENT; v++)
635 vm_vec_add2(&forvec,&Vertices[sp->verts[v]]);
636 vm_vec_scale(&forvec,F1_0/MAX_VERTICES_PER_SEGMENT);
638 for (v=0; v<MAX_VERTICES_PER_SEGMENT; v++)
639 vm_vec_add2(&tv,&Vertices[psp->verts[v]]);
640 vm_vec_scale(&tv,F1_0/MAX_VERTICES_PER_SEGMENT);
642 Ed_view_target = forvec;
644 vm_vec_sub2(&forvec,&tv);
646 extract_up_vector_from_segment(psp,&upvec);
648 if (!((forvec.x == 0) && (forvec.y == 0) && (forvec.z == 0)))
649 vm_vector_2_matrix(&LargeView.ev_matrix,&forvec,&upvec,NULL);
654 // ---------------------------------------------------------------------------------------------------
655 void set_view_target_from_segment(segment *sp)
657 vms_vector tv = ZERO_VECTOR;
660 if (Funky_chase_mode)
662 mprintf((0, "Trying to set chase mode\n"));
663 //set_chase_matrix(sp);
666 for (v=0; v<MAX_VERTICES_PER_SEGMENT; v++)
667 vm_vec_add2(&tv,&Vertices[sp->verts[v]]);
669 vm_vec_scale(&tv,F1_0/MAX_VERTICES_PER_SEGMENT);
674 Update_flags |= UF_VIEWPOINT_MOVED;