コード例 #1
0
ファイル: mesh_data.c プロジェクト: rexbron/blender-ocio
static int drop_named_image_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
	Scene *scene= CTX_data_scene(C);
	View3D *v3d= CTX_wm_view3d(C);
	Base *base= ED_view3d_give_base_under_cursor(C, event->mval);
	Image *ima= NULL;
	Mesh *me;
	Object *obedit;
	int exitmode= 0;
	char name[32];
	
	/* Check context */
	if(base==NULL || base->object->type!=OB_MESH) {
		BKE_report(op->reports, RPT_ERROR, "Not an Object or Mesh");
		return OPERATOR_CANCELLED;
	}
	
	/* check input variables */
	if(RNA_property_is_set(op->ptr, "filepath")) {
		char path[FILE_MAX];
		
		RNA_string_get(op->ptr, "filepath", path);
		ima= BKE_add_image_file(path);
	}
	else {
		RNA_string_get(op->ptr, "name", name);
		ima= (Image *)find_id("IM", name);
	}
	
	if(!ima) {
		BKE_report(op->reports, RPT_ERROR, "Not an Image.");
		return OPERATOR_CANCELLED;
	}
	
	/* turn mesh in editmode */
	/* BKE_mesh_get/end_editmesh: ED_uvedit_assign_image also calls this */

	obedit= base->object;
	me= obedit->data;
	if(me->edit_mesh==NULL) {
		make_editMesh(scene, obedit);
		exitmode= 1;
	}
	if(me->edit_mesh==NULL)
		return OPERATOR_CANCELLED;
	
	ED_uvedit_assign_image(scene, obedit, ima, NULL);

	if(exitmode) {
		load_editMesh(scene, obedit);
		free_editMesh(me->edit_mesh);
		MEM_freeN(me->edit_mesh);
		me->edit_mesh= NULL;
	}

	/* dummie drop support; ensure view shows a result :) */
	if(v3d)
		v3d->flag2 |= V3D_SOLID_TEX;
	
	WM_event_add_notifier(C, NC_GEOM|ND_DATA, obedit->data);
	
	return OPERATOR_FINISHED;
}
コード例 #2
0
ファイル: meshtools.c プロジェクト: BHCLL/blendocv
int join_mesh_exec(bContext *C, wmOperator *op)
{
	Main *bmain= CTX_data_main(C);
	Scene *scene= CTX_data_scene(C);
	Object *ob= CTX_data_active_object(C);
	Material **matar, *ma;
	Mesh *me;
	MVert *mvert, *mv;
	MEdge *medge = NULL;
	MFace *mface = NULL;
	Key *key, *nkey=NULL;
	KeyBlock *kb, *okb, *kbn;
	float imat[4][4], cmat[4][4], *fp1, *fp2, curpos;
	int a, b, totcol, totmat=0, totedge=0, totvert=0, totface=0, ok=0;
	int vertofs, *matmap=NULL;
	int	i, j, index, haskey=0, edgeofs, faceofs;
	bDeformGroup *dg, *odg;
	MDeformVert *dvert;
	CustomData vdata, edata, fdata;

	if(scene->obedit) {
		BKE_report(op->reports, RPT_WARNING, "Cant join while in editmode");
		return OPERATOR_CANCELLED;
	}
	
	/* ob is the object we are adding geometry to */
	if(!ob || ob->type!=OB_MESH) {
		BKE_report(op->reports, RPT_WARNING, "Active object is not a mesh");
		return OPERATOR_CANCELLED;
	}
	
	/* count & check */
	CTX_DATA_BEGIN(C, Base*, base, selected_editable_bases) {
		if(base->object->type==OB_MESH) {
			me= base->object->data;
			
			totvert+= me->totvert;
			totedge+= me->totedge;
			totface+= me->totface;
			totmat+= base->object->totcol;
			
			if(base->object == ob)
				ok= 1;
			
			/* check for shapekeys */
			if(me->key)
				haskey++;
		}
	}
	CTX_DATA_END;
	
	/* that way the active object is always selected */ 
	if(ok==0) {
		BKE_report(op->reports, RPT_WARNING, "Active object is not a selected mesh");
		return OPERATOR_CANCELLED;
	}
	
	/* only join meshes if there are verts to join, there aren't too many, and we only had one mesh selected */
	me= (Mesh *)ob->data;
	key= me->key;

	if(totvert==0 || totvert==me->totvert) {
		BKE_report(op->reports, RPT_WARNING, "No mesh data to join");
		return OPERATOR_CANCELLED;
	}
	
	if(totvert > MESH_MAX_VERTS) {
		BKE_reportf(op->reports, RPT_WARNING, "Joining results in %d vertices, limit is " STRINGIFY(MESH_MAX_VERTS), totvert);
		return OPERATOR_CANCELLED;		
	}

	/* new material indices and material array */
	matar= MEM_callocN(sizeof(void*)*totmat, "join_mesh matar");
	if (totmat) matmap= MEM_callocN(sizeof(int)*totmat, "join_mesh matmap");
	totcol= ob->totcol;
	
	/* obact materials in new main array, is nicer start! */
	for(a=0; a<ob->totcol; a++) {
		matar[a]= give_current_material(ob, a+1);
		id_us_plus((ID *)matar[a]);
		/* increase id->us : will be lowered later */
	}
	
	/* - if destination mesh had shapekeys, move them somewhere safe, and set up placeholders
	 * 	with arrays that are large enough to hold shapekey data for all meshes
	 * -	if destination mesh didn't have shapekeys, but we encountered some in the meshes we're 
	 *	joining, set up a new keyblock and assign to the mesh
	 */
	if(key) {
		/* make a duplicate copy that will only be used here... (must remember to free it!) */
		nkey= copy_key(key);
		
		/* for all keys in old block, clear data-arrays */
		for(kb= key->block.first; kb; kb= kb->next) {
			if(kb->data) MEM_freeN(kb->data);
			kb->data= MEM_callocN(sizeof(float)*3*totvert, "join_shapekey");
			kb->totelem= totvert;
			kb->weights= NULL;
		}
	}
	else if(haskey) {
		/* add a new key-block and add to the mesh */
		key= me->key= add_key((ID *)me);
		key->type = KEY_RELATIVE;
	}
	
	/* first pass over objects - copying materials and vertexgroups across */
	CTX_DATA_BEGIN(C, Base*, base, selected_editable_bases) {
		/* only act if a mesh, and not the one we're joining to */
		if((ob!=base->object) && (base->object->type==OB_MESH)) {
			me= base->object->data;
			
			/* Join this object's vertex groups to the base one's */
			for(dg=base->object->defbase.first; dg; dg=dg->next) {
				/* See if this group exists in the object (if it doesn't, add it to the end) */
				if(!defgroup_find_name(ob, dg->name)) {
					odg = MEM_callocN(sizeof(bDeformGroup), "join deformGroup");
					memcpy(odg, dg, sizeof(bDeformGroup));
					BLI_addtail(&ob->defbase, odg);
				}
			}
			if(ob->defbase.first && ob->actdef==0)
				ob->actdef=1;
			
			
			if(me->totvert) {
				/* Add this object's materials to the base one's if they don't exist already (but only if limits not exceeded yet) */
				if(totcol < MAXMAT) {
					for(a=1; a<=base->object->totcol; a++) {
						ma= give_current_material(base->object, a);

						for(b=0; b<totcol; b++) {
							if(ma == matar[b]) break;
						}
						if(b==totcol) {
							matar[b]= ma;
							if(ma) {
								id_us_plus(&ma->id);
							}
							totcol++;
						}
						if(totcol >= MAXMAT)
							break;
					}
				}
				
				/* if this mesh has shapekeys, check if destination mesh already has matching entries too */
				if(me->key && key) {
					for(kb= me->key->block.first; kb; kb= kb->next) {
						/* if key doesn't exist in destination mesh, add it */
						if(key_get_named_keyblock(key, kb->name) == NULL) {
							/* copy this existing one over to the new shapekey block */
							kbn= MEM_dupallocN(kb);
							kbn->prev= kbn->next= NULL;
							
							/* adjust adrcode and other settings to fit (allocate a new data-array) */
							kbn->data= MEM_callocN(sizeof(float)*3*totvert, "joined_shapekey");
							kbn->totelem= totvert;
							kbn->weights= NULL;
							
							okb= key->block.last;
							curpos= (okb) ? okb->pos : -0.1f;
							if(key->type == KEY_RELATIVE)
								kbn->pos= curpos + 0.1f;
							else
								kbn->pos= curpos;
							
							BLI_addtail(&key->block, kbn);
							kbn->adrcode= key->totkey;
							key->totkey++;
							if(key->totkey==1) key->refkey= kbn;
							
							// XXX 2.5 Animato
#if 0
							/* also, copy corresponding ipo-curve to ipo-block if applicable */
							if(me->key->ipo && key->ipo) {
								// FIXME... this is a luxury item!
								puts("FIXME: ignoring IPO's when joining shapekeys on Meshes for now...");
							}
#endif
						}
					}
				}
			}
		}
	}
	CTX_DATA_END;
	
	/* setup new data for destination mesh */
	memset(&vdata, 0, sizeof(vdata));
	memset(&edata, 0, sizeof(edata));
	memset(&fdata, 0, sizeof(fdata));
	
	mvert= CustomData_add_layer(&vdata, CD_MVERT, CD_CALLOC, NULL, totvert);
	medge= CustomData_add_layer(&edata, CD_MEDGE, CD_CALLOC, NULL, totedge);
	mface= CustomData_add_layer(&fdata, CD_MFACE, CD_CALLOC, NULL, totface);

	vertofs= 0;
	edgeofs= 0;
	faceofs= 0;
	
	/* inverse transform for all selected meshes in this object */
	invert_m4_m4(imat, ob->obmat);
	
	CTX_DATA_BEGIN(C, Base*, base, selected_editable_bases) {
		/* only join if this is a mesh */
		if(base->object->type==OB_MESH) {
			me= base->object->data;
			
			if(me->totvert) {
				/* standard data */
				CustomData_merge(&me->vdata, &vdata, CD_MASK_MESH, CD_DEFAULT, totvert);
				CustomData_copy_data(&me->vdata, &vdata, 0, vertofs, me->totvert);
				
				/* vertex groups */
				dvert= CustomData_get(&vdata, vertofs, CD_MDEFORMVERT);
				
				/* NB: vertex groups here are new version */
				if(dvert) {
					for(i=0; i<me->totvert; i++) {
						for(j=0; j<dvert[i].totweight; j++) {
							/*	Find the old vertex group */
							odg = BLI_findlink(&base->object->defbase, dvert[i].dw[j].def_nr);
							if(odg) {
								/*	Search for a match in the new object, and set new index */
								for(dg=ob->defbase.first, index=0; dg; dg=dg->next, index++) {
									if(!strcmp(dg->name, odg->name)) {
										dvert[i].dw[j].def_nr = index;
										break;
									}
								}
							}
						}
					}
				}
				
				/* if this is the object we're merging into, no need to do anything */
				if(base->object != ob) {
					/* watch this: switch matmul order really goes wrong */
					mul_m4_m4m4(cmat, base->object->obmat, imat);
					
					/* transform vertex coordinates into new space */
					for(a=0, mv=mvert; a < me->totvert; a++, mv++) {
						mul_m4_v3(cmat, mv->co);
					}
					
					/* for each shapekey in destination mesh:
					 *	- if there's a matching one, copy it across (will need to transform vertices into new space...)
					 *	- otherwise, just copy own coordinates of mesh (no need to transform vertex coordinates into new space)
					 */
					if(key) {
						/* if this mesh has any shapekeys, check first, otherwise just copy coordinates */
						for(kb= key->block.first; kb; kb= kb->next) {
							/* get pointer to where to write data for this mesh in shapekey's data array */
							fp1= ((float *)kb->data) + (vertofs*3);	
							
							/* check if this mesh has such a shapekey */
							okb= key_get_named_keyblock(me->key, kb->name);
							if(okb) {
								/* copy this mesh's shapekey to the destination shapekey (need to transform first) */
								fp2= ((float *)(okb->data));
								for(a=0; a < me->totvert; a++, fp1+=3, fp2+=3) {
									VECCOPY(fp1, fp2);
									mul_m4_v3(cmat, fp1);
								}
							}
							else {
								/* copy this mesh's vertex coordinates to the destination shapekey */
								mv= mvert;
								for(a=0; a < me->totvert; a++, fp1+=3, mv++) {
									VECCOPY(fp1, mv->co);
								}
							}
						}
					}
				}
				else {
					/* for each shapekey in destination mesh:
					 *	- if it was an 'original', copy the appropriate data from nkey
					 *	- otherwise, copy across plain coordinates (no need to transform coordinates)
					 */
					if(key) {
						for(kb= key->block.first; kb; kb= kb->next) {
							/* get pointer to where to write data for this mesh in shapekey's data array */
							fp1= ((float *)kb->data) + (vertofs*3);	
							
							/* check if this was one of the original shapekeys */
							okb= key_get_named_keyblock(nkey, kb->name);
							if(okb) {
								/* copy this mesh's shapekey to the destination shapekey */
								fp2= ((float *)(okb->data));
								for(a=0; a < me->totvert; a++, fp1+=3, fp2+=3) {
									VECCOPY(fp1, fp2);
								}
							}
							else {
								/* copy base-coordinates to the destination shapekey */
								mv= mvert;
								for(a=0; a < me->totvert; a++, fp1+=3, mv++) {
									VECCOPY(fp1, mv->co);
								}
							}
						}
					}
				}
				
				/* advance mvert pointer to end of base mesh's data */
				mvert+= me->totvert;
			}
			
			if(me->totface) {
				/* make mapping for materials */
				for(a=1; a<=base->object->totcol; a++) {
					ma= give_current_material(base->object, a);

					for(b=0; b<totcol; b++) {
						if(ma == matar[b]) {
							matmap[a-1]= b;
							break;
						}
					}
				}
				
				if(base->object!=ob)
					multiresModifier_prepare_join(scene, base->object, ob);

				CustomData_merge(&me->fdata, &fdata, CD_MASK_MESH, CD_DEFAULT, totface);
				CustomData_copy_data(&me->fdata, &fdata, 0, faceofs, me->totface);
				
				for(a=0; a<me->totface; a++, mface++) {
					mface->v1+= vertofs;
					mface->v2+= vertofs;
					mface->v3+= vertofs;
					if(mface->v4) mface->v4+= vertofs;
					
					if (matmap)
						mface->mat_nr= matmap[(int)mface->mat_nr];
					else 
						mface->mat_nr= 0;
				}
				
				faceofs += me->totface;
			}
			
			if(me->totedge) {
				CustomData_merge(&me->edata, &edata, CD_MASK_MESH, CD_DEFAULT, totedge);
				CustomData_copy_data(&me->edata, &edata, 0, edgeofs, me->totedge);
				
				for(a=0; a<me->totedge; a++, medge++) {
					medge->v1+= vertofs;
					medge->v2+= vertofs;
				}
				
				edgeofs += me->totedge;
			}
			
			/* vertofs is used to help newly added verts be reattached to their edge/face 
			 * (cannot be set earlier, or else reattaching goes wrong)
			 */
			vertofs += me->totvert;
			
			/* free base, now that data is merged */
			if(base->object != ob)
				ED_base_object_free_and_unlink(bmain, scene, base);
		}
	}
	CTX_DATA_END;
	
	/* return to mesh we're merging to */
	me= ob->data;
	
	CustomData_free(&me->vdata, me->totvert);
	CustomData_free(&me->edata, me->totedge);
	CustomData_free(&me->fdata, me->totface);

	me->totvert= totvert;
	me->totedge= totedge;
	me->totface= totface;
	
	me->vdata= vdata;
	me->edata= edata;
	me->fdata= fdata;

	mesh_update_customdata_pointers(me);
	
	/* old material array */
	for(a=1; a<=ob->totcol; a++) {
		ma= ob->mat[a-1];
		if(ma) ma->id.us--;
	}
	for(a=1; a<=me->totcol; a++) {
		ma= me->mat[a-1];
		if(ma) ma->id.us--;
	}
	if(ob->mat) MEM_freeN(ob->mat);
	if(ob->matbits) MEM_freeN(ob->matbits);
	if(me->mat) MEM_freeN(me->mat);
	ob->mat= me->mat= NULL;
	ob->matbits= NULL;
	
	if(totcol) {
		me->mat= matar;
		ob->mat= MEM_callocN(sizeof(void *)*totcol, "join obmatar");
		ob->matbits= MEM_callocN(sizeof(char)*totcol, "join obmatbits");
	}
	else
		MEM_freeN(matar);
	
	ob->totcol= me->totcol= totcol;
	ob->colbits= 0;

	if (matmap) MEM_freeN(matmap);
	
	/* other mesh users */
	test_object_materials((ID *)me);
	
	/* free temp copy of destination shapekeys (if applicable) */
	if(nkey) {
		// XXX 2.5 Animato
#if 0
		/* free it's ipo too - both are not actually freed from memory yet as ID-blocks */
		if(nkey->ipo) {
			free_ipo(nkey->ipo);
			BLI_remlink(&bmain->ipo, nkey->ipo);
			MEM_freeN(nkey->ipo);
		}
#endif
		
		free_key(nkey);
		BLI_remlink(&bmain->key, nkey);
		MEM_freeN(nkey);
	}
	
	DAG_scene_sort(bmain, scene);	// removed objects, need to rebuild dag before editmode call

#if 0
	ED_object_enter_editmode(C, EM_WAITCURSOR);
	ED_object_exit_editmode(C, EM_FREEDATA|EM_WAITCURSOR|EM_DO_UNDO);
#else
	/* toggle editmode using lower level functions so this can be called from python */
	make_editMesh(scene, ob);
	load_editMesh(scene, ob);
	free_editMesh(me->edit_mesh);
	MEM_freeN(me->edit_mesh);
	me->edit_mesh= NULL;
	DAG_id_tag_update(&ob->id, OB_RECALC_OB|OB_RECALC_DATA);
#endif
	WM_event_add_notifier(C, NC_SCENE|ND_OB_ACTIVE, scene);

	return OPERATOR_FINISHED;
}
コード例 #3
0
/* return 1: success */
static int mesh_separate_selected(wmOperator *op, Main *bmain, Scene *scene, Base *editbase)
{
	EditMesh *em, *emnew;
	EditVert *eve, *v1;
	EditEdge *eed, *e1;
	EditFace *efa, *f1;
	Object *obedit;
	Mesh *me, *menew;
	Base *basenew;
	
	if(editbase==NULL) return 0;
	
	obedit= editbase->object;
	me= obedit->data;
	em= BKE_mesh_get_editmesh(me);
	if(me->key) {
		BKE_report(op->reports, RPT_WARNING, "Can't separate mesh with shape keys");
		BKE_mesh_end_editmesh(me, em);
		return 0;
	}
	
	if(em->selected.first) 
		BLI_freelistN(&(em->selected)); /* clear the selection order */
		
	EM_selectmode_set(em);	// enforce full consistent selection flags 
	
	EM_stats_update(em);
	
	if(em->totvertsel==0) {
		BKE_mesh_end_editmesh(me, em);
		return 0;
	}
	
	/* we are going to work as follows:
	 * 1. add a linked duplicate object: this will be the new one, we remember old pointer
	 * 2. give new object empty mesh and put in editmode
	 * 3: do a split if needed on current editmesh.
	 * 4. copy over: all NOT selected verts, edges, faces
	 * 5. call load_editMesh() on the new object
	 */
	
	/* 1 */
	basenew= ED_object_add_duplicate(bmain, scene, editbase, 0);	/* 0 = fully linked */
	ED_base_object_select(basenew, BA_DESELECT);
	
	/* 2 */
	basenew->object->data= menew= add_mesh(me->id.name+2);	/* empty */
	assign_matarar(basenew->object, give_matarar(obedit), *give_totcolp(obedit)); /* new in 2.5 */
	me->id.us--;
	make_editMesh(scene, basenew->object);
	emnew= menew->edit_mesh;
	CustomData_copy(&em->vdata, &emnew->vdata, CD_MASK_EDITMESH, CD_DEFAULT, 0);
	CustomData_copy(&em->edata, &emnew->edata, CD_MASK_EDITMESH, CD_DEFAULT, 0);
	CustomData_copy(&em->fdata, &emnew->fdata, CD_MASK_EDITMESH, CD_DEFAULT, 0);
	
	/* 3 */
	/* SPLIT: first make duplicate */
	adduplicateflag(em, SELECT);
	/* SPLIT: old faces have 3x flag 128 set, delete these ones */
	delfaceflag(em, 128);
	/* since we do tricky things with verts/edges/faces, this makes sure all is selected coherent */
	EM_selectmode_set(em);
	
	/* 4 */
	/* move over: everything that is selected */
	for(eve= em->verts.first; eve; eve= v1) {
		v1= eve->next;
		if(eve->f & SELECT) {
			BLI_remlink(&em->verts, eve);
			BLI_addtail(&emnew->verts, eve);
		}
	}
	
	for(eed= em->edges.first; eed; eed= e1) {
		e1= eed->next;
		if(eed->f & SELECT) {
			BLI_remlink(&em->edges, eed);
			BLI_addtail(&emnew->edges, eed);
		}
	}
	
	for(efa= em->faces.first; efa; efa= f1) {
		f1= efa->next;
		if (efa == em->act_face && (efa->f & SELECT)) {
			EM_set_actFace(em, NULL);
		}

		if(efa->f & SELECT) {
			BLI_remlink(&em->faces, efa);
			BLI_addtail(&emnew->faces, efa);
		}
	}

	/* 5 */
	load_editMesh(scene, basenew->object);
	free_editMesh(emnew);
	MEM_freeN(menew->edit_mesh);
	menew->edit_mesh= NULL;

	/* copy settings */
	menew->texflag= me->texflag;
	menew->drawflag= me->drawflag;
	menew->flag= me->flag;
	menew->editflag= me->editflag;
	menew->smoothresh= me->smoothresh;

	/* hashedges are invalid now, make new! */
	editMesh_set_hash(em);

	DAG_id_tag_update(&obedit->id, OB_RECALC_DATA);	
	DAG_id_tag_update(&basenew->object->id, OB_RECALC_DATA);	

	BKE_mesh_end_editmesh(me, em);

	return 1;
}