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8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
16 * FIXME: put description here
33 #define ORTHO_VIEWS 0 // set to 1 to enable 3 orthogonal views
34 #define ED_SCREEN_W 800 //width of editor screen
35 #define ED_SCREEN_H 600 //height of editor screen
39 #define GAMEVIEW_X 1 //where the 320x200 game window goes
40 #define GAMEVIEW_Y 1+MENUBAR_H
41 #define GAMEVIEW_W 320
42 #define GAMEVIEW_H 200
46 #define STATUS_Y (ED_SCREEN_H-STATUS_H)
47 #define STATUS_W ED_SCREEN_W
49 #define LVIEW_X 1 //large view
50 #define LVIEW_Y (GAMEVIEW_Y+GAMEVIEW_H+2)
52 #define LVIEW_H (STATUS_Y-LVIEW_Y-2)
54 #define TMAPBOX_X (LVIEW_X+LVIEW_W+4) //location of first one
55 #define TMAPBOX_Y (LVIEW_Y+2)
59 #define TMAPCURBOX_X (TMAPBOX_X + 4*(TMAPBOX_W + 3))
60 #define TMAPCURBOX_Y (TMAPBOX_Y + TMAPBOX_H)
62 #define OBJCURBOX_X (TMAPCURBOX_X)
63 #define OBJCURBOX_Y (TMAPCURBOX_Y + 3*(TMAPBOX_H + 2) -40)
65 #define PAD_X (GAMEVIEW_X + GAMEVIEW_W + 16)
66 #define PAD_Y (GAMEVIEW_Y + 4)
68 #define SMALLVIEW_W 173 //width of small view windows
69 #define SMALLVIEW_H 148 //height of small view windows
71 #define TVIEW_X (LVIEW_X+LVIEW_W+2) //top view
72 #define TVIEW_Y LVIEW_Y
73 #define TVIEW_W SMALLVIEW_W
74 #define TVIEW_H SMALLVIEW_H
76 #define FVIEW_X TVIEW_X //front view
77 #define FVIEW_Y (TVIEW_Y+SMALLVIEW_H+2)
78 #define FVIEW_W SMALLVIEW_W
79 #define FVIEW_H SMALLVIEW_H
81 #define RVIEW_X (TVIEW_X+SMALLVIEW_W+2) //right view
82 #define RVIEW_Y FVIEW_Y
83 #define RVIEW_W SMALLVIEW_W
84 #define RVIEW_H SMALLVIEW_H
86 #define GVIEW_X RVIEW_X //group view
87 #define GVIEW_Y TVIEW_Y
88 #define GVIEW_W SMALLVIEW_W
89 #define GVIEW_H SMALLVIEW_H
91 //there were color constants here, but I moved them to meddraw.c - Matt
93 #define SEGMOVE_PAD_ID 0
94 #define SEGSIZE_PAD_ID 1
95 #define CURVE_PAD_ID 2
96 #define TEXTURE_PAD_ID 3
97 #define OBJECT_PAD_ID 4
98 #define OBJMOV_PAD_ID 5
99 #define GROUP_PAD_ID 6
100 #define LIGHTING_PAD_ID 7
101 #define TEST_PAD_ID 8
112 // Default size of a segment
113 #define DEFAULT_X_SIZE F1_0*20
114 #define DEFAULT_Y_SIZE F1_0*20
115 #define DEFAULT_Z_SIZE F1_0*20
117 // Scale factor from 3d units (integer portion) to uv coordinates (integer portion)
118 #define VMAG (F1_0 / (DEFAULT_X_SIZE/F1_0))
119 #define UMAG VMAG // unused
121 // Number of segments which can be found (size of Found_segs[])
122 #define MAX_FOUND_SEGS 200
123 #define MAX_SELECTED_SEGS (MAX_SEGMENTS)
124 #define MAX_WARNING_SEGS (MAX_SEGMENTS)
126 #define MAX_GROUPS 10
127 #define ROT_GROUP MAX_GROUPS
129 // Modes for segment sizing
130 #define SEGSIZEMODE_FREE 1
131 #define SEGSIZEMODE_ALL 2
132 #define SEGSIZEMODE_CURSIDE 3
133 #define SEGSIZEMODE_EDGE 4
134 #define SEGSIZEMODE_VERTEX 5
136 #define SEGSIZEMODE_MIN SEGSIZEMODE_FREE
137 #define SEGSIZEMODE_MAX SEGSIZEMODE_VERTEX
139 //defines a view for an editor window
140 typedef struct editor_view {
141 short ev_num; //each view has it's own number
142 short ev_changed; //set to true if view changed
143 grs_canvas *ev_canv; //points to this window's canvas
144 fix ev_dist; //the distance from the view point
145 vms_matrix ev_matrix; //the view matrix
146 fix ev_zoom; //zoom for this window
151 #include "ehostage.h"
163 #include "medrobot.h"
176 extern editor_view *Views[];
178 extern grs_canvas *canv_offscreen; //for off-screen rendering
179 extern int Large_view_index;
180 extern UI_GADGET_USERBOX * LargeViewBox;
181 extern int Found_seg_index; // Index in Found_segs corresponding to Cursegp
182 extern int gamestate_not_restored;
185 extern segment *Cursegp; // Pointer to current segment in the mine, the one to which things happen.
186 #define Curseg2p s2s2(Cursegp) // Pointer to segment2 for Cursegp
188 extern vms_vector Ed_view_target; // what editor is looking at
190 // -- extern segment New_segment; // The segment which can be added to the mine.
191 #define New_segment (Segments[MAX_SEGMENTS-1])
193 extern int Curside; // Side index in 0..MAX_SIDES_PER_SEGMENT of active side.
194 extern int Curedge; // Current edge on current side, in 0..3
195 extern int Curvert; // Current vertex on current side, in 0..3
196 extern int AttachSide; // Side on segment to attach
197 extern int Draw_all_segments; // Set to 1 means draw_world draws all segments in Segments, else draw only connected segments
198 extern segment *Markedsegp; // Marked segment, used in conjunction with *Cursegp to form joints.
199 extern int Markedside; // Marked side on Markedsegp.
200 extern sbyte Vertex_active[MAX_VERTICES]; // !0 means vertex is in use, 0 means not in use.
202 extern grs_canvas *Pad_text_canvas; // Keypad text
204 // The extra group in the following arrays is used for group rotation.
205 extern group GroupList[MAX_GROUPS+1];
206 extern segment *Groupsegp[MAX_GROUPS+1];
207 extern int Groupside[MAX_GROUPS+1];
208 extern int current_group;
209 extern int num_groups;
210 extern int Current_group;
212 extern short Found_segs[]; // List of segment numbers "found" under cursor click
213 extern int N_found_segs; // Number of segments found at Found_segs
215 extern int N_selected_segs; // Number of segments found at Selected_segs
216 extern short Selected_segs[]; // List of segment numbers currently selected
218 extern int N_warning_segs; // Number of segments warning-worthy, such as a concave segment
219 extern short Warning_segs[]; // List of warning-worthy segments
221 extern int Show_axes_flag; // 0 = don't show, !0 = do show coordinate axes in *Cursegp orientation
223 extern int Autosave_count; // Current counter for which autosave mine we are "on"
224 extern int Autosave_flag; // Whether or not Autosave is on.
225 extern struct tm Editor_time_of_day;
227 extern int SegSizeMode; // Mode = 0/1 = not/is legal to move bound vertices,
229 void init_editor(void);
231 void close_editor(void);
232 void init_editor_screen(void);
234 // Returns true if vertex vi is contained in exactly one segment, else returns false.
235 extern int is_free_vertex(int vi);
237 // Set existing vertex vnum to value *vp.
238 extern int med_set_vertex(int vnum,vms_vector *vp);
240 extern void med_combine_duplicate_vertices(sbyte *vlp);
242 // Attach side newside of newseg to side destside of destseg.
243 // Copies *newseg into global array Segments, increments Num_segments.
244 // Forms a weld between the two segments by making the new segment fit to the old segment.
245 // Updates number of faces per side if necessitated by new vertex coordinates.
247 // 0 = successful attach
248 // 1 = No room in Segments[].
249 // 2 = No room in Vertices[].
250 extern int med_attach_segment(segment *destseg, segment *newseg, int destside, int newside);
253 // Deletes a segment from the global array Segments.
254 // Updates Cursegp to be the segment to which the deleted segment was connected. If there is
255 // more than one connected segment, the new Cursegp will be the segment with the highest index
256 // of connection in the deleted segment (highest index = front)
258 // 0 = successful deletion
259 // 1 = unable to delete
260 extern int med_delete_segment(segment *sp);
262 // Rotate the segment *seg by the pitch, bank, heading defined by *rot, destructively
263 // modifying its four free vertices in the global array Vertices.
264 // It is illegal to rotate a segment which has MAX_SIDES_PER_SEGMENT != 1.
265 // Pitch, bank, heading are about the point which is the average of the four points
266 // forming the side of connection.
268 // 0 = successful rotation
269 // 1 = MAX_SIDES_PER_SEGMENT makes rotation illegal (connected to 0 or 2+ segments)
270 // 2 = Rotation causes degeneracy, such as self-intersecting segment.
271 extern int med_rotate_segment(segment *seg, vms_matrix *rotmat);
272 extern int med_rotate_segment_ang(segment *seg, vms_angvec *ang);
274 // Scales a segment, destructively modifying vertex coordinates in global Vertices[].
275 // Uses scale factor in sp->scale.
276 // Modifies only free vertices (those which are not part of a segment other than *sp).
277 // The vector *svp contains the x,y,z scale factors. The x,y,z directions are relative
278 // to the segment. x scales in the dimension of the right vector, y of the up vector, z of the forward vector.
279 // The dimension of the vectors is determined by averaging appropriate sets of 4 of the 8 points.
280 extern void med_scale_segment(segment *sp);
282 // Loads mine *name from disk, updating global variables:
283 // Segments, Vertices
284 // Num_segments,Num_vertices
285 // Cursegp = pointer to active segment. Written as an index in med_save_mine, converted to a pointer
288 // 0 = successfully loaded.
289 // 1 = unable to load.
290 extern int med_load_mine(char *name);
292 // Loads game *name from disk.
293 // This function automatically loads mine with name.MIN
294 extern int med_load_game(char *name);
297 // Loads a previous generation mine. Needs to be updated in code.
298 extern int med_load_pmine(char *name);
300 // Saves mine contained in Segments[] and Vertices[].
301 // Num_segments = number of segments in mine.
302 // Num_vertices = number of vertices in mine.
303 // Cursegp = current segment.
304 // Saves Num_segments, and index of current segment (which is Cursegp - Segments), which will be converted to a pointer
305 // and written to Cursegp in med_load_mine.
307 // 0 = successfully saved.
308 // 1 = unable to save.
309 extern int med_save_mine(char *name);
311 // Loads group *filename from disk.
312 // Adds group to global Segments and Vertices array.
314 // 0 = successfully loaded.
315 // 1 = unable to load.
316 extern int med_load_group( char *filename, short *vertex_ids, short *segment_ids, int *num_vertices, int *num_segments);
318 // Saves group *filename from disk.
319 // Saves group defined by vertex_ids and segment_ids to disk.
321 // 0 = successfully saved.
322 // 1 = unable to save.
323 extern int med_save_group( char *filename, short *vertex_ids, short *segment_ids, int num_vertices, int num_segments);
325 // Updates the screen... (I put the prototype here for curves.c)
326 extern int medlisp_update_screen(void);
328 // Returns 0 if no error, 1 if error, whatever that might be.
332 // Cursegp = pointer to only segment.
333 extern int create_new_mine(void);
335 // extern void med_create_segment(segment *sp, vms_vector *scale);
336 extern void old_med_attach_segment(segment *sp,int main_side,int branch_side,fix cx, fix cy, fix cz, fix length, fix width, fix height, vms_matrix *mp);
338 // Copy a segment from *ssp to *dsp. Do not simply copy the struct. Use *dsp's vertices, copying in
339 // just the values, not the indices.
340 extern void med_copy_segment(segment *dsp,segment *ssp);
342 // Create a default segment.
343 // Useful for when user creates a garbage segment.
344 extern void med_create_default_segment(segment *sp);
346 // Create New_segment with sizes found in *scale.
347 extern void med_create_new_segment(vms_vector *scale);
349 // Create New_segment with sizes found in Cursegp.
350 extern void med_create_new_segment_from_cursegp(void);
352 // Update New_segment using scale factors.
353 extern void med_update_new_segment(void);
355 // Replace *sp with New_segment.
356 extern void med_update_segment(segment *sp);
358 // Create a new segment and use it to form a bridge between two existing segments.
359 // Specify two segment:side pairs. If either segment:side is not open (ie, segment->children[side] != -1)
360 // then it is not legal to form the brider.
362 // 0 bridge segment formed
363 // 1 unable to form bridge because one (or both) of the sides is not open.
364 // Note that no new vertices are created by this process.
365 extern int med_form_bridge_segment(segment *seg1, int side1, segment *seg2, int side2);
367 // Compress mine at Segments and Vertices by squeezing out all holes.
368 // If no holes (ie, an unused segment followed by a used segment), then no action.
369 // If Cursegp or Markedsegp is a segment which gets moved to fill in a hole, then
370 // they are properly updated.
371 extern void med_compress_mine(void);
373 // Extract the forward vector from segment *sp, return in *vp.
374 // The forward vector is defined to be the vector from the the center of the front face of the segment
375 // to the center of the back face of the segment.
376 extern void med_extract_forward_vector_from_segment(segment *sp,vms_vector *vp);
378 // Extract the right vector from segment *sp, return in *vp.
379 // The forward vector is defined to be the vector from the the center of the left face of the segment
380 // to the center of the right face of the segment.
381 extern void med_extract_right_vector_from_segment(segment *sp,vms_vector *vp);
383 // Extract the up vector from segment *sp, return in *vp.
384 // The forward vector is defined to be the vector from the the center of the bottom face of the segment
385 // to the center of the top face of the segment.
386 extern void med_extract_up_vector_from_segment(segment *sp,vms_vector *vp);
388 // Compute the center point of a side of a segment.
389 // The center point is defined to be the average of the 4 points defining the side.
390 extern void med_compute_center_point_on_side(vms_vector *vp,segment *sp,int side);
392 extern void set_matrix_based_on_side(vms_matrix *rotmat,int destside);
394 // Given a forward vector, compute and return an angvec triple.
395 // [ THIS SHOULD BE MOVED TO THE VECTOR MATRIX LIBRARY ]
396 extern vms_angvec *vm_vec_to_angles(vms_angvec *result, vms_vector *forvec);
401 #define ACCURACY 0.1*F1_0
403 typedef struct vms_equation {
405 struct {fix x3, x2, x1, x0, y3, y2, y1, y0, z3, z2, z1, z0;} n;
410 extern void create_curve(vms_vector *p1, vms_vector *p4, vms_vector *r1, vms_vector *r4, vms_equation *coeffs);
411 // Q(t) = (2t^3 - 3t^2 + 1) p1 + (-2t^3 + 3t^2) p4 + (t^3 - 2t^2 + t) r1 + (t^3 - t^2 ) r4
413 extern vms_vector evaluate_curve(vms_equation *coeffs, int degree, fix t);
415 extern fix curve_dist(vms_equation *coeffs, int degree, fix t0, vms_vector *p0, fix dist);
417 extern void curve_dir(vms_equation *coeffs, int degree, fix t0, vms_vector *dir);
419 extern void plot_parametric(vms_equation *coeffs, fix min_t, fix max_t, fix del_t);
421 // Curve generation routine.
422 // Returns 1 if curve is generated.
423 // Returns 0 if no curve.
424 extern int generate_curve( fix r1scale, fix r4scale );
426 // Deletes existing curve generated in generate_curve().
427 extern void delete_curve(void);
429 // --- // -- Temporary function, identical to med_rotate_segment, but it takes a vector instead of an angvec
430 // --- extern int med_rotate_segment_vec(segment *seg, vms_vector *vec);
432 extern void med_extract_matrix_from_segment(segment *sp,vms_matrix *rotmat);
434 // Assign default u,v coordinates to all sides of a segment.
435 // This routine should only be used for segments which are not connected to anything else,
436 // ie the segment created at mine creation.
437 extern void assign_default_uvs_to_segment(segment *segp);
438 extern void assign_default_uvs_to_side(segment *segp, int side);
440 extern void assign_default_uvs_to_side(segment *segp,int side);
442 // Assign u,v coordinates to con_seg, con_common_side from base_seg, base_common_side
443 // They are connected at the edge defined by the vertices abs_id1, abs_id2.
444 extern void med_assign_uvs_to_side(segment *con_seg, int con_common_side, segment *base_seg, int base_common_side, int abs_id1, int abs_id2);
446 // Debug -- show a matrix.
447 // type: 0 --> mprintf, 1 --> printf
448 // *s = string to display
449 // *mp = matrix to display
450 extern void show_matrix(char *s,vms_matrix *mp,int type);
452 // Create coordinate axes in orientation of specified segment, stores vertices at *vp.
453 extern void create_coordinate_axes_from_segment(segment *sp,short *vertnums);
455 // Scale a segment. Then, if it is connected to something, rotate it.
456 extern int med_scale_and_rotate_segment(segment *seg, vms_angvec *rot);
458 // Set Vertex_active to number of occurrences of each vertex.
460 extern void set_vertex_counts(void);
462 // Modify seg2 to share side2 with seg1:side1. This forms a connection between
463 // two segments without creating a new segment. It modifies seg2 by sharing
464 // vertices from seg1. seg1 is not modified. Four vertices from seg2 are
466 // If the four vertices forming side2 in seg2 are not free, the joint is not formed.
469 // 1 unable to form joint because one or more vertices of side2 is not free
470 // 2 unable to form joint because side1 is already used
471 extern int med_form_joint(segment *seg1, int side1, segment *seg2, int side2);
473 // The current texture... use by saying something=bm_lock_bitmap(CurrentTexture)
474 extern int CurrentTexture;
476 extern void compute_segment_center(vms_vector *vp,segment *sp);
478 extern void med_propagate_tmaps_to_segments(segment *base_seg,segment *con_seg, int uv_only_flag);
480 extern void med_propagate_tmaps_to_back_side(segment *base_seg, int back_side, int uv_only_flag);
482 extern void med_propagate_tmaps_to_any_side(segment *base_seg, int back_side, int tmap_num, int uv_only_flag);
484 // Find segment adjacent to sp:side.
485 // Adjacent means a segment which shares all four vertices.
486 // Return true if segment found and fill in segment in adj_sp and side in adj_side.
487 // Return false if unable to find, in which case adj_sp and adj_side are undefined.
488 extern int med_find_adjacent_segment_side(segment *sp, int side, segment **adj_sp, int *adj_side);
490 // Finds the closest segment and side to sp:side.
491 extern int med_find_closest_threshold_segment_side(segment *sp, int side, segment **adj_sp, int *adj_side, fix threshold);
493 // Given two segments, return the side index in the connecting segment which connects to the base segment
494 extern int find_connect_side(segment *base_seg, segment *con_seg);
496 // Select previous segment.
497 // If there is a connection on the side opposite to the current side, then choose that segment.
498 // If there is no connecting segment on the opposite face, try any segment.
499 extern void get_previous_segment(int curseg_num, int curside,int *newseg_num, int *newside);
501 // Select next segment.
502 // If there is a connection on the current side, then choose that segment.
503 // If there is no connecting segment on the current side, try any segment.
504 extern void get_next_segment(int curseg_num, int curside, int *newseg_num, int *newside);
506 // Copy texture maps in newseg to nsp.
507 extern void copy_uvs_seg_to_seg(segment *nsp,segment *newseg);
509 // Return true if segment is concave.
510 extern int check_seg_concavity(segment *s);
512 // Return N_found_segs = number of concave segments in mine.
513 // Segment ids stored at Found_segs
514 extern void find_concave_segs(void);
516 // High level call. Check for concave segments, print warning message (using editor_status)
517 // if any concave segments.
518 // Calls find_concave_segs, therefore N_found_segs gets set, and Found_segs filled in.
519 extern void warn_if_concave_segments(void);
521 // Warn if segment s is concave.
522 extern void warn_if_concave_segment(segment *s);
524 // Add a vertex to the vertex list.
525 extern int med_add_vertex(vms_vector *vp);
527 // Add a vertex to the vertex list which may be identical to another vertex (in terms of coordinates).
528 // Don't scan list, looking for presence of a vertex with same coords, add this one.
529 extern int med_create_duplicate_vertex(vms_vector *vp);
531 // Create a new segment, duplicating exactly, including vertex ids and children, the passed segment.
532 extern int med_create_duplicate_segment(segment *sp);
534 // Returns the index of a free segment.
535 // Scans the Segments array.
536 extern int get_free_segment_number(void);
538 // Diagnostic message.
539 extern void diagnostic_message(const char *format, ... );
542 extern void print_status_icon( char icon[1], int position );
543 extern void clear_status_icon( char icon[1], int position );
545 // Editor status message.
546 extern void editor_status(const char *format, ... );
548 // Variables in editor.c that the k*.c files need
550 #define UF_NONE 0x000 //nothing has changed
551 #define UF_WORLD_CHANGED 0x001 //something added or deleted
552 #define UF_VIEWPOINT_MOVED 0x002 //what we're watching has moved
554 #define UF_GAME_VIEW_CHANGED 0x004 //the game window changed
555 #define UF_ED_STATE_CHANGED 0x008 //something like curside,curseg changed
557 #define UF_ALL 0xffffffff //all flags
559 extern uint Update_flags;
560 extern int Funky_chase_mode;
561 extern vms_angvec Seg_orientation;
562 extern vms_vector Seg_scale;
563 extern int mine_changed;
565 extern editor_view *current_view;
567 //the view for the different windows
568 extern editor_view LargeView;
569 extern editor_view TopView;
570 extern editor_view FrontView;
571 extern editor_view RightView;
573 extern void set_view_target_from_segment(segment *sp);
574 extern int SafetyCheck(void);
576 extern void editor_status( const char *format, ...);
578 extern int MacroNumEvents;
579 extern int MacroStatus;
581 //extern int Highest_vertex_index; // Highest index in Vertices and Vertex_active, an efficiency hack
582 //extern int Highest_segment_index; // Highest index in Segments, an efficiency hack
583 extern int Lock_view_to_cursegp; // !0 means whenever cursegp changes, view it
586 extern int Num_tilings; // number of tilings/wall
587 extern int Degenerate_segment_found;
589 extern sbyte Been_visited[]; // List of segments visited in a recursive search, if element n set, segment n done been visited
591 // Initializes autosave system.
592 // Sets global Autosave_count to 0.
593 extern void init_autosave(void);
595 // Closes autosave system.
596 // Deletes all autosaved files.
597 extern void close_autosave(void);
599 // Saves current mine to name.miX where name = suffix of mine name and X = Autosave_count.
600 // For example, if name = "cookie.min", and Autosave_count = 3, then writes "cookie.mi3".
601 // Increments Autosave_count, wrapping from 9 to 0.
602 // (If there is no current mine name, assume "temp.min")
603 // Call med_save_mine to save the mine.
604 extern void autosave_mine(char *name);
607 extern void TimedAutosave(char *name);
608 extern void set_editor_time_of_day(void);
611 extern int undo(void);
612 extern char mine_filename[PATH_MAX];
613 extern char undo_status[10][100];
616 int AttachSegmentNewAng(vms_angvec *pbh);
617 int RotateSegmentNew(vms_angvec *pbh);
618 int rotate_segment_new(vms_angvec *pbh);
620 //get & free vertices
621 int alloc_vert(void);
622 void free_vert(int vert_num);
624 // The current object type and id declared in eglobal.c
625 extern short Cur_object_type;
626 extern short Cur_object_id;
629 extern int DisplayCurrentRobotType(void);
630 extern short Cur_object_index;
632 extern int render_3d_in_big_window;
633 extern void move_object_to_mouse_click(void);
635 //these are instances of canvases, pointed to by variables below
636 extern grs_canvas _canv_editor_game; //the game on the editor screen
638 //these are pointers to our canvases
639 extern grs_canvas *Canv_editor; //the editor screen
640 extern grs_canvas *Canv_editor_game; //the game on the editor screen
642 extern grs_canvas *canv_offscreen; //for off-screen rendering
643 extern grs_canvas *Pad_text_canvas; // Keypad text
645 //where the editor is looking
646 extern vms_vector Ed_view_target;
648 extern int gamestate_not_restored;
650 extern UI_WINDOW * EditorWindow;
652 extern int Large_view_index;
654 extern UI_GADGET_USERBOX * GameViewBox;
655 extern UI_GADGET_USERBOX * LargeViewBox;
656 extern UI_GADGET_USERBOX * GroupViewBox;
658 extern void med_point_2_vec(grs_canvas *canv,vms_vector *v,short sx,short sy);
660 //shutdown ui on the editor screen
661 void close_editor_screen(void);
664 extern void med_extract_up_vector_from_segment_side(segment *sp, int sidenum, vms_vector *vp);
665 extern void med_extract_right_vector_from_segment_side(segment *sp, int sidenum, vms_vector *vp);
666 extern void med_extract_forward_vector_from_segment_side(segment *sp, int sidenum, vms_vector *vp);
669 extern void draw_world_from_game(void);
672 extern void close_all_windows(void);
676 // Amount to stretch a texture map by.
677 // The two different ones are for the two dimensions of a texture map.
678 extern fix Stretch_scale_x, Stretch_scale_y;