main/editor/kcurve.c

   1 /* $Id: kcurve.c,v 1.3 2004-12-19 15:21:11 btb Exp $ */
   2 /*
   3 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   4 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   5 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   6 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   7 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   8 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   9 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
  10 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  11 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  12 COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  13 */
  14
  15 /*
  16  *
  17  * Functions for curve stuff.
  18  *
  19  */
  20
  21 #ifdef RCS
  22 static char rcsid[] = "$Id: kcurve.c,v 1.3 2004-12-19 15:21:11 btb Exp $";
  23 #endif
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include "conf.h"
  27 #endif
  28
  29 #include <string.h>
  30
  31 #include "inferno.h"
  32 #include "editor.h"
  33 #include "kdefs.h"
  34
  35 static fix         r1scale, r4scale;
  36 static int         curve;
  37
  38 int InitCurve()
  39 {
  40         curve = 0;
  41     return 1;
  42 }
  43
  44 int GenerateCurve()
  45 {
  46     if ( (Markedsegp != 0) && !IS_CHILD(Markedsegp->children[Markedside])) {
  47                 r1scale = r4scale = F1_0*20;
  48       autosave_mine( mine_filename );
  49       diagnostic_message("Curve Generated.");
  50                 Update_flags |= UF_WORLD_CHANGED;
  51       curve = generate_curve(r1scale, r4scale);
  52                 mine_changed = 1;
  53         if (curve == 1) {
  54             strcpy(undo_status[Autosave_count], "Curve Generation UNDONE.\n");
  55         }
  56         if (curve == 0) diagnostic_message("Cannot generate curve -- check Current segment.");
  57     }
  58     else diagnostic_message("Cannot generate curve -- check Marked segment.");
  59         warn_if_concave_segments();
  60
  61         return 1;
  62 }
  63
  64 int DecreaseR4()
  65 {
  66         if (curve) {
  67            Update_flags |= UF_WORLD_CHANGED;
  68            delete_curve();
  69            r4scale -= F1_0;
  70            generate_curve(r1scale, r4scale);
  71       diagnostic_message("R4 vector decreased.");
  72            mine_changed = 1;
  73                 warn_if_concave_segments();
  74         }
  75         return 1;
  76 }
  77
  78 int IncreaseR4()
  79 {
  80         if (curve) {
  81            Update_flags |= UF_WORLD_CHANGED;
  82            delete_curve();
  83            r4scale += F1_0;
  84            generate_curve(r1scale, r4scale);
  85       diagnostic_message("R4 vector increased.");
  86            mine_changed = 1;
  87                 warn_if_concave_segments();
  88         }
  89         return 1;
  90 }
  91
  92 int DecreaseR1()
  93 {
  94         if (curve) {
  95            Update_flags |= UF_WORLD_CHANGED;
  96            delete_curve();
  97            r1scale -= F1_0;
  98            generate_curve(r1scale, r4scale);
  99       diagnostic_message("R1 vector decreased.");
 100            mine_changed = 1;
 101                 warn_if_concave_segments();
 102         }
 103         return 1;
 104 }
 105
 106 int IncreaseR1()
 107 {
 108         if (curve) {
 109            Update_flags |= UF_WORLD_CHANGED;
 110            delete_curve();
 111            r1scale += F1_0;
 112            generate_curve(r1scale, r4scale);
 113       diagnostic_message("R1 vector increased.");
 114            mine_changed = 1;
 115                 warn_if_concave_segments();
 116         }
 117         return 1;
 118 }
 119
 120 int DeleteCurve()
 121 {
 122 // fix_bogus_uvs_all();
 123 set_average_light_on_curside();
 124
 125         if (curve) {
 126            Update_flags |= UF_WORLD_CHANGED;
 127            delete_curve();
 128            curve = 0;
 129            mine_changed = 1;
 130       diagnostic_message("Curve Deleted.");
 131                 warn_if_concave_segments();
 132         }
 133         return 1;
 134 }
 135
 136 int SetCurve()
 137 {
 138         if (curve) curve = 0;
 139    //autosave_mine( mine_filename );
 140    //strcpy(undo_status[Autosave_count], "Curve Generation UNDONE.\n");
 141    return 1;
 142 }
 143