source/blender/editors/space_view3d/space_view3d.c

   1 /**
   2  * $Id:
   3  *
   4  * ***** BEGIN GPL LICENSE BLOCK *****
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  *
  20  * The Original Code is Copyright (C) 2008 Blender Foundation.
  21  * All rights reserved.
  22  *
  23  *
  24  * Contributor(s): Blender Foundation
  25  *
  26  * ***** END GPL LICENSE BLOCK *****
  27  */
  28
  29 #include <string.h>
  30 #include <stdio.h>
  31
  32 #include "DNA_object_types.h"
  33 #include "DNA_space_types.h"
  34 #include "DNA_scene_types.h"
  35 #include "DNA_screen_types.h"
  36 #include "DNA_view3d_types.h"
  37
  38 #include "MEM_guardedalloc.h"
  39
  40 #include "BLI_blenlib.h"
  41 #include "BLI_arithb.h"
  42 #include "BLI_rand.h"
  43
  44 #include "BKE_context.h"
  45 #include "BKE_global.h"
  46 #include "BKE_screen.h"
  47
  48 #include "ED_space_api.h"
  49 #include "ED_screen.h"
  50
  51 #include "BIF_gl.h"
  52
  53 #include "WM_api.h"
  54
  55 #include "UI_interface.h"
  56 #include "UI_resources.h"
  57 #include "UI_view2d.h"
  58
  59 #include "view3d_intern.h"      // own include
  60
  61 /* ******************** default callbacks for view3d space ***************** */
  62
  63 static SpaceLink *view3d_new(void)
  64 {
  65         ARegion *ar;
  66         View3D *vd;
  67
  68         vd= MEM_callocN(sizeof(View3D), "initview3d");
  69         vd->spacetype= SPACE_VIEW3D;
  70         vd->blockscale= 0.7f;
  71         vd->lay= vd->layact= 1;
  72         if(G.scene) {
  73                 vd->lay= vd->layact= G.scene->lay;
  74                 vd->camera= G.scene->camera;
  75         }
  76         vd->scenelock= 1;
  77         vd->grid= 1.0f;
  78         vd->gridlines= 16;
  79         vd->gridsubdiv = 10;
  80         vd->drawtype= OB_WIRE;
  81
  82         vd->gridflag |= V3D_SHOW_X;
  83         vd->gridflag |= V3D_SHOW_Y;
  84         vd->gridflag |= V3D_SHOW_FLOOR;
  85         vd->gridflag &= ~V3D_SHOW_Z;
  86
  87         vd->depths= NULL;
  88
  89         /* XXX move view data to region? */
  90         vd->viewquat[0]= 1.0f;
  91         vd->viewquat[1]= vd->viewquat[2]= vd->viewquat[3]= 0.0f;
  92         vd->persp= 1;
  93         vd->view= 7;
  94         vd->dist= 10.0;
  95         vd->lens= 35.0f;
  96         vd->near= 0.01f;
  97         vd->far= 500.0f;
  98
  99         /* header */
 100         ar= MEM_callocN(sizeof(ARegion), "header for view3d");
 101
 102         BLI_addtail(&vd->regionbase, ar);
 103         ar->regiontype= RGN_TYPE_HEADER;
 104         ar->alignment= RGN_ALIGN_BOTTOM;
 105
 106         /* main area */
 107         ar= MEM_callocN(sizeof(ARegion), "main area for view3d");
 108
 109         BLI_addtail(&vd->regionbase, ar);
 110         ar->regiontype= RGN_TYPE_WINDOW;
 111
 112         return (SpaceLink *)vd;
 113 }
 114
 115 /* not spacelink itself */
 116 static void view3d_free(SpaceLink *sl)
 117 {
 118         View3D *vd= (View3D *) sl;
 119
 120         if(vd->bgpic) {
 121                 if(vd->bgpic->ima) vd->bgpic->ima->id.us--;
 122                 MEM_freeN(vd->bgpic);
 123         }
 124
 125         if(vd->localvd) MEM_freeN(vd->localvd);
 126         if(vd->clipbb) MEM_freeN(vd->clipbb);
 127         if(vd->depths) {
 128                 if(vd->depths->depths) MEM_freeN(vd->depths->depths);
 129                 MEM_freeN(vd->depths);
 130                 vd->depths= NULL;
 131         }
 132
 133 // XXX  retopo_free_view_data(vd);
 134
 135         if(vd->properties_storage) MEM_freeN(vd->properties_storage);
 136         if(vd->ri) {
 137 // XXX          BIF_view3d_previewrender_free(vd);
 138         }
 139
 140 }
 141
 142
 143 /* spacetype; init callback */
 144 static void view3d_init(struct wmWindowManager *wm, ScrArea *sa)
 145 {
 146
 147 }
 148
 149 static SpaceLink *view3d_duplicate(SpaceLink *sl)
 150 {
 151         View3D *v3do= (View3D *)sl;
 152         View3D *v3dn= MEM_dupallocN(sl);
 153
 154         /* clear or remove stuff from old */
 155
 156 // XXX  BIF_view3d_previewrender_free(v3do);
 157         v3do->depths= NULL;
 158         v3do->retopo_view_data= NULL;
 159
 160         if(v3do->localvd) {
 161 // XXX          restore_localviewdata(v3do);
 162                 v3do->localvd= NULL;
 163                 v3do->properties_storage= NULL;
 164                 v3do->localview= 0;
 165                 v3do->lay &= 0xFFFFFF;
 166         }
 167
 168         /* copy or clear inside new stuff */
 169
 170         if(v3dn->bgpic) {
 171                 v3dn->bgpic= MEM_dupallocN(v3dn->bgpic);
 172                 if(v3dn->bgpic->ima) v3dn->bgpic->ima->id.us++;
 173         }
 174         v3dn->clipbb= MEM_dupallocN(v3dn->clipbb);
 175         v3dn->ri= NULL;
 176         v3dn->properties_storage= NULL;
 177
 178         return (SpaceLink *)v3dn;
 179 }
 180
 181 static void view3d_main_area_draw(const bContext *C, ARegion *ar)
 182 {
 183         /* draw entirely, view changes should be handled here */
 184         ScrArea *sa= CTX_wm_area(C);
 185         View3D *v3d= sa->spacedata.first;       /* XXX get from region */
 186
 187         drawview3dspace(CTX_data_scene(C), ar, v3d);
 188 }
 189
 190 /* add handlers, stuff you only do once or on area/region changes */
 191 static void view3d_main_area_init(wmWindowManager *wm, ARegion *ar)
 192 {
 193         ListBase *keymap;
 194
 195         /* own keymap */
 196         keymap= WM_keymap_listbase(wm, "View3D", SPACE_VIEW3D, 0);      /* XXX weak? */
 197         WM_event_add_keymap_handler_bb(&ar->handlers, keymap,NULL, NULL);
 198
 199 }
 200
 201
 202 /* add handlers, stuff you only do once or on area/region changes */
 203 static void view3d_header_area_init(wmWindowManager *wm, ARegion *ar)
 204 {
 205         UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
 206 }
 207
 208 static void view3d_header_area_draw(const bContext *C, ARegion *ar)
 209 {
 210         float col[3];
 211
 212         /* clear */
 213         if(ED_screen_area_active(C))
 214                 UI_GetThemeColor3fv(TH_HEADER, col);
 215         else
 216                 UI_GetThemeColor3fv(TH_HEADERDESEL, col);
 217
 218         glClearColor(col[0], col[1], col[2], 0.0);
 219         glClear(GL_COLOR_BUFFER_BIT);
 220
 221         /* set view2d view matrix for scrolling (without scrollers) */
 222         UI_view2d_view_ortho(C, &ar->v2d);
 223
 224         view3d_header_buttons(C, ar);
 225
 226         /* restore view matrix? */
 227         UI_view2d_view_restore(C);
 228 }
 229
 230
 231 /* only called once, from space/spacetypes.c */
 232 void ED_spacetype_view3d(void)
 233 {
 234         SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype time");
 235         ARegionType *art;
 236
 237         st->spaceid= SPACE_VIEW3D;
 238
 239         st->new= view3d_new;
 240         st->free= view3d_free;
 241         st->init= view3d_init;
 242         st->duplicate= view3d_duplicate;
 243         st->operatortypes= view3d_operatortypes;
 244         st->keymap= view3d_keymap;
 245
 246         /* regions: main window */
 247         art= MEM_callocN(sizeof(ARegionType), "spacetype time region");
 248         art->regionid = RGN_TYPE_WINDOW;
 249         art->draw= view3d_main_area_draw;
 250         art->init= view3d_main_area_init;
 251
 252         BLI_addhead(&st->regiontypes, art);
 253
 254         /* regions: header */
 255         art= MEM_callocN(sizeof(ARegionType), "spacetype time region");
 256         art->regionid = RGN_TYPE_HEADER;
 257         art->minsizey= HEADERY;
 258         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D;
 259
 260         art->init= view3d_header_area_init;
 261         art->draw= view3d_header_area_draw;
 262
 263         BLI_addhead(&st->regiontypes, art);
 264
 265         BKE_spacetype_register(st);
 266 }
 267