Example #1
0
void free_sss(Render *re)
{
	if(re->sss_hash) {
		GHashIterator *it= BLI_ghashIterator_new(re->sss_hash);

		while(!BLI_ghashIterator_isDone(it)) {
			sss_free_tree(BLI_ghashIterator_getValue(it));
			BLI_ghashIterator_step(it);
		}

		BLI_ghashIterator_free(it);
		BLI_ghash_free(re->sss_hash, NULL, NULL);
		re->sss_hash= NULL;
	}
}
Example #2
0
File: wm.c Project: mik0001/Blender
void WM_menutype_free(void)
{
	GHashIterator *iter= BLI_ghashIterator_new(menutypes_hash);

	for( ; !BLI_ghashIterator_isDone(iter); BLI_ghashIterator_step(iter)) {
		MenuType *mt= BLI_ghashIterator_getValue(iter);
		if(mt->ext.free) {
			mt->ext.free(mt->ext.data);
		}
	}
	BLI_ghashIterator_free(iter);

	BLI_ghash_free(menutypes_hash, NULL, (GHashValFreeFP)MEM_freeN);
	menutypes_hash= NULL;
}
Example #3
0
static PyObject *pyop_dir(PyObject *UNUSED(self))
{
	GHashIterator *iter= WM_operatortype_iter();
	PyObject *list= PyList_New(0), *name;

	for( ; !BLI_ghashIterator_isDone(iter); BLI_ghashIterator_step(iter)) {
		wmOperatorType *ot= BLI_ghashIterator_getValue(iter);

		name= PyUnicode_FromString(ot->idname);
		PyList_Append(list, name);
		Py_DECREF(name);
	}
	BLI_ghashIterator_free(iter);

	return list;
}
Example #4
0
static void operator_search_cb(const struct bContext *C, void *UNUSED(arg), const char *str, uiSearchItems *items)
{
	GHashIterator *iter = WM_operatortype_iter();

	for (; !BLI_ghashIterator_isDone(iter); BLI_ghashIterator_step(iter)) {
		wmOperatorType *ot = BLI_ghashIterator_getValue(iter);

		if (BLI_strcasestr(ot->name, str)) {
			if (WM_operator_poll((bContext *)C, ot)) {
				
				if (0 == uiSearchItemAdd(items, ot->name, ot, 0))
					break;
			}
		}
	}
	BLI_ghashIterator_free(iter);
}
Example #5
0
static char *gpu_generate_function_prototyps(GHash *hash)
{
	DynStr *ds = BLI_dynstr_new();
	GHashIterator *ghi;
	GPUFunction *function;
	char *name, *prototypes;
	int a;
	
	/* automatically generate function prototypes to add to the top of the
	 * generated code, to avoid have to add the actual code & recompile all */
	ghi = BLI_ghashIterator_new(hash);

	for (; !BLI_ghashIterator_isDone(ghi); BLI_ghashIterator_step(ghi)) {
		name = BLI_ghashIterator_getValue(ghi);
		function = BLI_ghashIterator_getValue(ghi);

		BLI_dynstr_appendf(ds, "void %s(", name);
		for (a=0; a<function->totparam; a++) {
			if (function->paramqual[a] == FUNCTION_QUAL_OUT)
				BLI_dynstr_append(ds, "out ");
			else if (function->paramqual[a] == FUNCTION_QUAL_INOUT)
				BLI_dynstr_append(ds, "inout ");

			if (function->paramtype[a] == GPU_TEX2D)
				BLI_dynstr_append(ds, "sampler2D");
			else if (function->paramtype[a] == GPU_SHADOW2D)
				BLI_dynstr_append(ds, "sampler2DShadow");
			else
				BLI_dynstr_append(ds, GPU_DATATYPE_STR[function->paramtype[a]]);
				
			//BLI_dynstr_appendf(ds, " param%d", a);
			
			if (a != function->totparam-1)
				BLI_dynstr_append(ds, ", ");
		}
		BLI_dynstr_append(ds, ");\n");
	}

	BLI_dynstr_append(ds, "\n");

	prototypes = BLI_dynstr_get_cstring(ds);
	BLI_dynstr_free(ds);

	return prototypes;
}
Example #6
0
static int editsource_exec(bContext *C, wmOperator *op)
{
	uiBut *but= uiContextActiveButton(C);

	if (but) {
		GHashIterator ghi;
		struct uiEditSourceButStore *but_store= NULL;

		ARegion *ar= CTX_wm_region(C);
		int ret;

		/* needed else the active button does not get tested */
		uiFreeActiveButtons(C, CTX_wm_screen(C));

		// printf("%s: begin\n", __func__);

		/* take care not to return before calling ui_editsource_active_but_clear */
		ui_editsource_active_but_set(but);

		/* redraw and get active button python info */
		ED_region_do_draw(C, ar);

		for(BLI_ghashIterator_init(&ghi, ui_editsource_info->hash);
		    !BLI_ghashIterator_isDone(&ghi);
		    BLI_ghashIterator_step(&ghi))
		{
			uiBut *but= BLI_ghashIterator_getKey(&ghi);
			if (but && ui_editsource_uibut_match(&ui_editsource_info->but_orig, but)) {
				but_store= BLI_ghashIterator_getValue(&ghi);
				break;
			}

		}

		if (but_store) {
			if (but_store->py_dbg_ln != -1) {
				ret= editsource_text_edit(C, op,
				                          but_store->py_dbg_fn,
				                          but_store->py_dbg_ln);
			}
			else {
				BKE_report(op->reports, RPT_ERROR,
						   "Active button isn't from a script, cant edit source.");
				ret= OPERATOR_CANCELLED;
			}
		}
		else {
			BKE_report(op->reports, RPT_ERROR,
					   "Active button match can't be found.");
			ret= OPERATOR_CANCELLED;
		}


		ui_editsource_active_but_clear();

		// printf("%s: end\n", __func__);

		return ret;
	}
	else {
		BKE_report(op->reports, RPT_ERROR, "Active button not found");
		return OPERATOR_CANCELLED;
	}
}
Example #7
0
static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
                                  DerivedMesh *derivedData,
                                  ModifierApplyFlag UNUSED(flag))
{
	MaskModifierData *mmd = (MaskModifierData *)md;
	DerivedMesh *dm = derivedData, *result = NULL;
	GHash *vertHash = NULL, *edgeHash, *polyHash;
	GHashIterator *hashIter;
	MDeformVert *dvert = NULL, *dv;
	int numPolys = 0, numLoops = 0, numEdges = 0, numVerts = 0;
	int maxVerts, maxEdges, maxPolys;
	int i;

	MPoly *mpoly;
	MLoop *mloop;

	MPoly *mpoly_new;
	MLoop *mloop_new;
	MEdge *medge_new;
	MVert *mvert_new;


	int *loop_mapping;

	/* Overview of Method:
	 *	1. Get the vertices that are in the vertexgroup of interest 
	 *	2. Filter out unwanted geometry (i.e. not in vertexgroup), by populating mappings with new vs old indices
	 *	3. Make a new mesh containing only the mapping data
	 */
	
	/* get original number of verts, edges, and faces */
	maxVerts = dm->getNumVerts(dm);
	maxEdges = dm->getNumEdges(dm);
	maxPolys = dm->getNumPolys(dm);
	
	/* check if we can just return the original mesh 
	 *	- must have verts and therefore verts assigned to vgroups to do anything useful
	 */
	if (!(ELEM(mmd->mode, MOD_MASK_MODE_ARM, MOD_MASK_MODE_VGROUP)) ||
	    (maxVerts == 0) || (ob->defbase.first == NULL) )
	{
		return derivedData;
	}
	
	/* if mode is to use selected armature bones, aggregate the bone groups */
	if (mmd->mode == MOD_MASK_MODE_ARM) { /* --- using selected bones --- */
		Object *oba = mmd->ob_arm;
		bPoseChannel *pchan;
		bDeformGroup *def;
		char *bone_select_array;
		int bone_select_tot = 0;
		const int defbase_tot = BLI_countlist(&ob->defbase);
		
		/* check that there is armature object with bones to use, otherwise return original mesh */
		if (ELEM3(NULL, oba, oba->pose, ob->defbase.first))
			return derivedData;
		
		/* determine whether each vertexgroup is associated with a selected bone or not 
		 * - each cell is a boolean saying whether bone corresponding to the ith group is selected
		 * - groups that don't match a bone are treated as not existing (along with the corresponding ungrouped verts)
		 */
		bone_select_array = MEM_mallocN(defbase_tot * sizeof(char), "mask array");
		
		for (i = 0, def = ob->defbase.first; def; def = def->next, i++) {
			pchan = BKE_pose_channel_find_name(oba->pose, def->name);
			if (pchan && pchan->bone && (pchan->bone->flag & BONE_SELECTED)) {
				bone_select_array[i] = TRUE;
				bone_select_tot++;
			}
			else {
				bone_select_array[i] = FALSE;
			}
		}
		
		/* if no dverts (i.e. no data for vertex groups exists), we've got an
		 * inconsistent situation, so free hashes and return oirginal mesh
		 */
		dvert = dm->getVertDataArray(dm, CD_MDEFORMVERT);
		if (dvert == NULL) {
			MEM_freeN(bone_select_array);
			return derivedData;
		}
		
		/* verthash gives mapping from original vertex indices to the new indices (including selected matches only)
		 * key = oldindex, value = newindex
		 */
		vertHash = BLI_ghash_int_new("mask vert gh");
		
		/* add vertices which exist in vertexgroups into vertHash for filtering 
		 * - dv = for each vertex, what vertexgroups does it belong to
		 * - dw = weight that vertex was assigned to a vertexgroup it belongs to
		 */
		for (i = 0, dv = dvert; i < maxVerts; i++, dv++) {
			MDeformWeight *dw = dv->dw;
			short found = 0;
			int j;
			
			/* check the groups that vertex is assigned to, and see if it was any use */
			for (j = 0; j < dv->totweight; j++, dw++) {
				if (dw->def_nr < defbase_tot) {
					if (bone_select_array[dw->def_nr]) {
						if (dw->weight != 0.0f) {
							found = TRUE;
							break;
						}
					}
				}
			}
			
			/* check if include vert in vertHash */
			if (mmd->flag & MOD_MASK_INV) {
				/* if this vert is in the vgroup, don't include it in vertHash */
				if (found) continue;
			}
			else {
				/* if this vert isn't in the vgroup, don't include it in vertHash */
				if (!found) continue;
			}
			
			/* add to ghash for verts (numVerts acts as counter for mapping) */
			BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(i), SET_INT_IN_POINTER(numVerts));
			numVerts++;
		}
		
		/* free temp hashes */
		MEM_freeN(bone_select_array);
	}
	else {  /* --- Using Nominated VertexGroup only --- */
		int defgrp_index = defgroup_name_index(ob, mmd->vgroup);
		
		/* get dverts */
		if (defgrp_index != -1)
			dvert = dm->getVertDataArray(dm, CD_MDEFORMVERT);
			
		/* if no vgroup (i.e. dverts) found, return the initial mesh */
		if ((defgrp_index == -1) || (dvert == NULL))
			return dm;
			
		/* hashes for quickly providing a mapping from old to new - use key=oldindex, value=newindex */
		vertHash = BLI_ghash_int_new("mask vert2 bh");
		
		/* add vertices which exist in vertexgroup into ghash for filtering */
		for (i = 0, dv = dvert; i < maxVerts; i++, dv++) {
			const int weight_set = defvert_find_weight(dv, defgrp_index) != 0.0f;
			
			/* check if include vert in vertHash */
			if (mmd->flag & MOD_MASK_INV) {
				/* if this vert is in the vgroup, don't include it in vertHash */
				if (weight_set) continue;
			}
			else {
				/* if this vert isn't in the vgroup, don't include it in vertHash */
				if (!weight_set) continue;
			}
			
			/* add to ghash for verts (numVerts acts as counter for mapping) */
			BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(i), SET_INT_IN_POINTER(numVerts));
			numVerts++;
		}
	}

	/* hashes for quickly providing a mapping from old to new - use key=oldindex, value=newindex */
	edgeHash = BLI_ghash_int_new("mask ed2 gh");
	polyHash = BLI_ghash_int_new("mask fa2 gh");
	
	mpoly = dm->getPolyArray(dm);
	mloop = dm->getLoopArray(dm);

	loop_mapping = MEM_callocN(sizeof(int) * maxPolys, "mask loopmap"); /* overalloc, assume all polys are seen */

	/* loop over edges and faces, and do the same thing to 
	 * ensure that they only reference existing verts 
	 */
	for (i = 0; i < maxEdges; i++) {
		MEdge me;
		dm->getEdge(dm, i, &me);
		
		/* only add if both verts will be in new mesh */
		if (BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(me.v1)) &&
		    BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(me.v2)))
		{
			BLI_ghash_insert(edgeHash, SET_INT_IN_POINTER(i), SET_INT_IN_POINTER(numEdges));
			numEdges++;
		}
	}
	for (i = 0; i < maxPolys; i++) {
		MPoly *mp = &mpoly[i];
		MLoop *ml = mloop + mp->loopstart;
		int ok = TRUE;
		int j;
		
		for (j = 0; j < mp->totloop; j++, ml++) {
			if (!BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(ml->v))) {
				ok = FALSE;
				break;
			}
		}
		
		/* all verts must be available */
		if (ok) {
			BLI_ghash_insert(polyHash, SET_INT_IN_POINTER(i), SET_INT_IN_POINTER(numPolys));
			loop_mapping[numPolys] = numLoops;
			numPolys++;
			numLoops += mp->totloop;
		}
	}
	
	
	/* now we know the number of verts, edges and faces, 
	 * we can create the new (reduced) mesh
	 */
	result = CDDM_from_template(dm, numVerts, numEdges, 0, numLoops, numPolys);
	
	mpoly_new = CDDM_get_polys(result);
	mloop_new = CDDM_get_loops(result);
	medge_new = CDDM_get_edges(result);
	mvert_new = CDDM_get_verts(result);
	
	/* using ghash-iterators, map data into new mesh */
	/* vertices */
	for (hashIter = BLI_ghashIterator_new(vertHash);
	     !BLI_ghashIterator_isDone(hashIter);
	     BLI_ghashIterator_step(hashIter) )
	{
		MVert source;
		MVert *dest;
		int oldIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getKey(hashIter));
		int newIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getValue(hashIter));
		
		dm->getVert(dm, oldIndex, &source);
		dest = &mvert_new[newIndex];
		
		DM_copy_vert_data(dm, result, oldIndex, newIndex, 1);
		*dest = source;
	}
	BLI_ghashIterator_free(hashIter);
		
	/* edges */
	for (hashIter = BLI_ghashIterator_new(edgeHash);
	     !BLI_ghashIterator_isDone(hashIter);
	     BLI_ghashIterator_step(hashIter))
	{
		MEdge source;
		MEdge *dest;
		int oldIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getKey(hashIter));
		int newIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getValue(hashIter));
		
		dm->getEdge(dm, oldIndex, &source);
		dest = &medge_new[newIndex];
		
		source.v1 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v1)));
		source.v2 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v2)));
		
		DM_copy_edge_data(dm, result, oldIndex, newIndex, 1);
		*dest = source;
	}
	BLI_ghashIterator_free(hashIter);
	
	/* faces */
	for (hashIter = BLI_ghashIterator_new(polyHash);
	     !BLI_ghashIterator_isDone(hashIter);
	     BLI_ghashIterator_step(hashIter) )
	{
		int oldIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getKey(hashIter));
		int newIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getValue(hashIter));
		MPoly *source = &mpoly[oldIndex];
		MPoly *dest = &mpoly_new[newIndex];
		int oldLoopIndex = source->loopstart;
		int newLoopIndex = loop_mapping[newIndex];
		MLoop *source_loop = &mloop[oldLoopIndex];
		MLoop *dest_loop = &mloop_new[newLoopIndex];
		
		DM_copy_poly_data(dm, result, oldIndex, newIndex, 1);
		DM_copy_loop_data(dm, result, oldLoopIndex, newLoopIndex, source->totloop);

		*dest = *source;
		dest->loopstart = newLoopIndex;
		for (i = 0; i < source->totloop; i++) {
			dest_loop[i].v = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source_loop[i].v)));
			dest_loop[i].e = GET_INT_FROM_POINTER(BLI_ghash_lookup(edgeHash, SET_INT_IN_POINTER(source_loop[i].e)));
		}
	}

	BLI_ghashIterator_free(hashIter);

	MEM_freeN(loop_mapping);

	/* why is this needed? - campbell */
	/* recalculate normals */
	CDDM_calc_normals(result);
	
	/* free hashes */
	BLI_ghash_free(vertHash, NULL, NULL);
	BLI_ghash_free(edgeHash, NULL, NULL);
	BLI_ghash_free(polyHash, NULL, NULL);

	/* return the new mesh */
	return result;
}
Example #8
0
static DerivedMesh *applyModifier(ModifierData *md, Object *UNUSED(ob),
                                  DerivedMesh *derivedData,
                                  ModifierApplyFlag UNUSED(flag))
{
	DerivedMesh *dm = derivedData;
	DerivedMesh *result;
	BuildModifierData *bmd = (BuildModifierData *) md;
	int i, j, k;
	int numFaces_dst, numEdges_dst, numLoops_dst = 0;
	int *vertMap, *edgeMap, *faceMap;
	float frac;
	MPoly *mpoly_dst;
	MLoop *ml_dst, *ml_src /*, *mloop_dst */;
	GHashIterator *hashIter;
	/* maps vert indices in old mesh to indices in new mesh */
	GHash *vertHash = BLI_ghash_int_new("build ve apply gh");
	/* maps edge indices in new mesh to indices in old mesh */
	GHash *edgeHash = BLI_ghash_int_new("build ed apply gh");
	GHash *edgeHash2 = BLI_ghash_int_new("build ed apply gh");

	const int numVert_src = dm->getNumVerts(dm);
	const int numEdge_src = dm->getNumEdges(dm);
	const int numPoly_src = dm->getNumPolys(dm);
	MPoly *mpoly_src = dm->getPolyArray(dm);
	MLoop *mloop_src = dm->getLoopArray(dm);
	MEdge *medge_src = dm->getEdgeArray(dm);
	MVert *mvert_src = dm->getVertArray(dm);


	vertMap = MEM_mallocN(sizeof(*vertMap) * numVert_src, "build modifier vertMap");
	edgeMap = MEM_mallocN(sizeof(*edgeMap) * numEdge_src, "build modifier edgeMap");
	faceMap = MEM_mallocN(sizeof(*faceMap) * numPoly_src, "build modifier faceMap");

#pragma omp parallel sections if (numVert_src + numEdge_src + numPoly_src >= DM_OMP_LIMIT)
	{
#pragma omp section
		{ range_vn_i(vertMap, numVert_src, 0); }
#pragma omp section
		{ range_vn_i(edgeMap, numEdge_src, 0); }
#pragma omp section
		{ range_vn_i(faceMap, numPoly_src, 0); }
	}

	frac = (BKE_scene_frame_get(md->scene) - bmd->start) / bmd->length;
	CLAMP(frac, 0.0f, 1.0f);

	numFaces_dst = numPoly_src * frac;
	numEdges_dst = numEdge_src * frac;

	/* if there's at least one face, build based on faces */
	if (numFaces_dst) {
		MPoly *mpoly, *mp;
		MLoop *ml, *mloop;
		MEdge *medge;
		
		if (bmd->randomize) {
			BLI_array_randomize(faceMap, sizeof(*faceMap),
			                    numPoly_src, bmd->seed);
		}

		/* get the set of all vert indices that will be in the final mesh,
		 * mapped to the new indices
		 */
		mpoly = mpoly_src;
		mloop = mloop_src;
		for (i = 0; i < numFaces_dst; i++) {
			mp = mpoly + faceMap[i];
			ml = mloop + mp->loopstart;

			for (j = 0; j < mp->totloop; j++, ml++) {
				if (!BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(ml->v)))
					BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(ml->v),
					                 SET_INT_IN_POINTER(BLI_ghash_size(vertHash)));
			}
			
			numLoops_dst += mp->totloop;
		}

		/* get the set of edges that will be in the new mesh (i.e. all edges
		 * that have both verts in the new mesh)
		 */
		medge = medge_src;
		for (i = 0; i < numEdge_src; i++) {
			MEdge *me = medge + i;

			if (BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(me->v1)) &&
			    BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(me->v2)))
			{
				j = BLI_ghash_size(edgeHash);
				
				BLI_ghash_insert(edgeHash, SET_INT_IN_POINTER(j),
				                 SET_INT_IN_POINTER(i));
				BLI_ghash_insert(edgeHash2, SET_INT_IN_POINTER(i),
				                 SET_INT_IN_POINTER(j));
			}
		}
	}
	else if (numEdges_dst) {
		MEdge *medge, *me;

		if (bmd->randomize)
			BLI_array_randomize(edgeMap, sizeof(*edgeMap),
			                    numEdge_src, bmd->seed);

		/* get the set of all vert indices that will be in the final mesh,
		 * mapped to the new indices
		 */
		medge = medge_src;
		for (i = 0; i < numEdges_dst; i++) {
			me = medge + edgeMap[i];

			if (!BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(me->v1))) {
				BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(me->v1),
				                 SET_INT_IN_POINTER(BLI_ghash_size(vertHash)));
			}
			if (!BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(me->v2))) {
				BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(me->v2), SET_INT_IN_POINTER(BLI_ghash_size(vertHash)));
			}
		}

		/* get the set of edges that will be in the new mesh */
		for (i = 0; i < numEdges_dst; i++) {
			j = BLI_ghash_size(edgeHash);
			
			BLI_ghash_insert(edgeHash, SET_INT_IN_POINTER(j),
			                 SET_INT_IN_POINTER(edgeMap[i]));
			BLI_ghash_insert(edgeHash2,  SET_INT_IN_POINTER(edgeMap[i]),
			                 SET_INT_IN_POINTER(j));
		}
	}
	else {
		int numVerts = numVert_src * frac;

		if (bmd->randomize) {
			BLI_array_randomize(vertMap, sizeof(*vertMap),
			                    numVert_src, bmd->seed);
		}

		/* get the set of all vert indices that will be in the final mesh,
		 * mapped to the new indices
		 */
		for (i = 0; i < numVerts; i++) {
			BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(vertMap[i]), SET_INT_IN_POINTER(i));
		}
	}

	/* now we know the number of verts, edges and faces, we can create
	 * the mesh
	 */
	result = CDDM_from_template(dm, BLI_ghash_size(vertHash),
	                            BLI_ghash_size(edgeHash), 0, numLoops_dst, numFaces_dst);

	/* copy the vertices across */
	for (hashIter = BLI_ghashIterator_new(vertHash);
	     !BLI_ghashIterator_isDone(hashIter);
	     BLI_ghashIterator_step(hashIter)
	     )
	{
		MVert source;
		MVert *dest;
		int oldIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getKey(hashIter));
		int newIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getValue(hashIter));

		source = mvert_src[oldIndex];
		dest = CDDM_get_vert(result, newIndex);

		DM_copy_vert_data(dm, result, oldIndex, newIndex, 1);
		*dest = source;
	}
	BLI_ghashIterator_free(hashIter);
	
	/* copy the edges across, remapping indices */
	for (i = 0; i < BLI_ghash_size(edgeHash); i++) {
		MEdge source;
		MEdge *dest;
		int oldIndex = GET_INT_FROM_POINTER(BLI_ghash_lookup(edgeHash, SET_INT_IN_POINTER(i)));
		
		source = medge_src[oldIndex];
		dest = CDDM_get_edge(result, i);
		
		source.v1 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v1)));
		source.v2 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v2)));
		
		DM_copy_edge_data(dm, result, oldIndex, i, 1);
		*dest = source;
	}

	mpoly_dst = CDDM_get_polys(result);
	/* mloop_dst = */ ml_dst = CDDM_get_loops(result);
	
	/* copy the faces across, remapping indices */
	k = 0;
	for (i = 0; i < numFaces_dst; i++) {
		MPoly *source;
		MPoly *dest;
		
		source = mpoly_src + faceMap[i];
		dest = mpoly_dst + i;
		DM_copy_poly_data(dm, result, faceMap[i], i, 1);
		
		*dest = *source;
		dest->loopstart = k;
		
		DM_copy_loop_data(dm, result, source->loopstart, dest->loopstart, dest->totloop);

		ml_src = mloop_src + source->loopstart;
		for (j = 0; j < source->totloop; j++, k++, ml_src++, ml_dst++) {
			ml_dst->v = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(ml_src->v)));
			ml_dst->e = GET_INT_FROM_POINTER(BLI_ghash_lookup(edgeHash2, SET_INT_IN_POINTER(ml_src->e)));
		}
	}

	BLI_ghash_free(vertHash, NULL, NULL);
	BLI_ghash_free(edgeHash, NULL, NULL);
	BLI_ghash_free(edgeHash2, NULL, NULL);
	
	MEM_freeN(vertMap);
	MEM_freeN(edgeMap);
	MEM_freeN(faceMap);

	return result;
}
Example #9
0
static DerivedMesh *applyModifier(ModifierData *md, Object *UNUSED(ob),
						DerivedMesh *derivedData,
						int UNUSED(useRenderParams),
						int UNUSED(isFinalCalc))
{
	DerivedMesh *dm = derivedData;
	DerivedMesh *result;
	BuildModifierData *bmd = (BuildModifierData*) md;
	int i;
	int numFaces, numEdges;
	int *vertMap, *edgeMap, *faceMap;
	float frac;
	GHashIterator *hashIter;
	/* maps vert indices in old mesh to indices in new mesh */
	GHash *vertHash = BLI_ghash_new(BLI_ghashutil_inthash,
					BLI_ghashutil_intcmp, "build ve apply gh");
	/* maps edge indices in new mesh to indices in old mesh */
	GHash *edgeHash = BLI_ghash_new(BLI_ghashutil_inthash,
					BLI_ghashutil_intcmp, "build ed apply gh");

	const int maxVerts= dm->getNumVerts(dm);
	const int maxEdges= dm->getNumEdges(dm);
	const int maxFaces= dm->getNumFaces(dm);

	vertMap = MEM_callocN(sizeof(*vertMap) * maxVerts, "build modifier vertMap");
	for(i = 0; i < maxVerts; ++i) vertMap[i] = i;
	edgeMap = MEM_callocN(sizeof(*edgeMap) * maxEdges, "build modifier edgeMap");
	for(i = 0; i < maxEdges; ++i) edgeMap[i] = i;
	faceMap = MEM_callocN(sizeof(*faceMap) * maxFaces, "build modifier faceMap");
	for(i = 0; i < maxFaces; ++i) faceMap[i] = i;

	frac = (BKE_curframe(md->scene) - bmd->start) / bmd->length;
	CLAMP(frac, 0.0f, 1.0f);

	numFaces = dm->getNumFaces(dm) * frac;
	numEdges = dm->getNumEdges(dm) * frac;

	/* if there's at least one face, build based on faces */
	if(numFaces) {
		if(bmd->randomize)
			BLI_array_randomize(faceMap, sizeof(*faceMap),
						maxFaces, bmd->seed);

		/* get the set of all vert indices that will be in the final mesh,
		* mapped to the new indices
		*/
		for(i = 0; i < numFaces; ++i) {
			MFace mf;
			dm->getFace(dm, faceMap[i], &mf);

			if(!BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(mf.v1)))
				BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(mf.v1),
					SET_INT_IN_POINTER(BLI_ghash_size(vertHash)));
			if(!BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(mf.v2)))
				BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(mf.v2),
					SET_INT_IN_POINTER(BLI_ghash_size(vertHash)));
			if(!BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(mf.v3)))
				BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(mf.v3),
					SET_INT_IN_POINTER(BLI_ghash_size(vertHash)));
			if(mf.v4 && !BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(mf.v4)))
				BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(mf.v4),
					SET_INT_IN_POINTER(BLI_ghash_size(vertHash)));
		}

		/* get the set of edges that will be in the new mesh (i.e. all edges
		* that have both verts in the new mesh)
		*/
		for(i = 0; i < maxEdges; ++i) {
			MEdge me;
			dm->getEdge(dm, i, &me);

			if(BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(me.v1))
						&& BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(me.v2)))
				BLI_ghash_insert(edgeHash,
					SET_INT_IN_POINTER(BLI_ghash_size(edgeHash)), SET_INT_IN_POINTER(i));
		}
	} else if(numEdges) {
		if(bmd->randomize)
			BLI_array_randomize(edgeMap, sizeof(*edgeMap),
						maxEdges, bmd->seed);

		/* get the set of all vert indices that will be in the final mesh,
		* mapped to the new indices
		*/
		for(i = 0; i < numEdges; ++i) {
			MEdge me;
			dm->getEdge(dm, edgeMap[i], &me);

			if(!BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(me.v1)))
				BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(me.v1),
					SET_INT_IN_POINTER(BLI_ghash_size(vertHash)));
			if(!BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(me.v2)))
				BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(me.v2),
					SET_INT_IN_POINTER(BLI_ghash_size(vertHash)));
		}

		/* get the set of edges that will be in the new mesh
		*/
		for(i = 0; i < numEdges; ++i) {
			MEdge me;
			dm->getEdge(dm, edgeMap[i], &me);

			BLI_ghash_insert(edgeHash, SET_INT_IN_POINTER(BLI_ghash_size(edgeHash)),
					 SET_INT_IN_POINTER(edgeMap[i]));
		}
	} else {
		int numVerts = dm->getNumVerts(dm) * frac;

		if(bmd->randomize)
			BLI_array_randomize(vertMap, sizeof(*vertMap),
						maxVerts, bmd->seed);

		/* get the set of all vert indices that will be in the final mesh,
		* mapped to the new indices
		*/
		for(i = 0; i < numVerts; ++i)
			BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(vertMap[i]), SET_INT_IN_POINTER(i));
	}

	/* now we know the number of verts, edges and faces, we can create
	* the mesh
	*/
	result = CDDM_from_template(dm, BLI_ghash_size(vertHash),
					BLI_ghash_size(edgeHash), numFaces);

	/* copy the vertices across */
	for(	hashIter = BLI_ghashIterator_new(vertHash);
			!BLI_ghashIterator_isDone(hashIter);
			BLI_ghashIterator_step(hashIter)
	) {
		MVert source;
		MVert *dest;
		int oldIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getKey(hashIter));
		int newIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getValue(hashIter));

		dm->getVert(dm, oldIndex, &source);
		dest = CDDM_get_vert(result, newIndex);

		DM_copy_vert_data(dm, result, oldIndex, newIndex, 1);
		*dest = source;
	}
	BLI_ghashIterator_free(hashIter);
	
	/* copy the edges across, remapping indices */
	for(i = 0; i < BLI_ghash_size(edgeHash); ++i) {
		MEdge source;
		MEdge *dest;
		int oldIndex = GET_INT_FROM_POINTER(BLI_ghash_lookup(edgeHash, SET_INT_IN_POINTER(i)));
		
		dm->getEdge(dm, oldIndex, &source);
		dest = CDDM_get_edge(result, i);
		
		source.v1 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v1)));
		source.v2 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v2)));
		
		DM_copy_edge_data(dm, result, oldIndex, i, 1);
		*dest = source;
	}

	/* copy the faces across, remapping indices */
	for(i = 0; i < numFaces; ++i) {
		MFace source;
		MFace *dest;
		int orig_v4;
		
		dm->getFace(dm, faceMap[i], &source);
		dest = CDDM_get_face(result, i);
		
		orig_v4 = source.v4;
		
		source.v1 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v1)));
		source.v2 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v2)));
		source.v3 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v3)));
		if(source.v4)
			source.v4 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v4)));
		
		DM_copy_face_data(dm, result, faceMap[i], i, 1);
		*dest = source;
		
		test_index_face(dest, &result->faceData, i, (orig_v4 ? 4 : 3));
	}

	CDDM_calc_normals(result);
	
	BLI_ghash_free(vertHash, NULL, NULL);
	BLI_ghash_free(edgeHash, NULL, NULL);
	
	MEM_freeN(vertMap);
	MEM_freeN(edgeMap);
	MEM_freeN(faceMap);
	
	return result;
}
Example #10
0
static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
						DerivedMesh *derivedData,
						int UNUSED(useRenderParams),
						int UNUSED(isFinalCalc))
{
	MaskModifierData *mmd= (MaskModifierData *)md;
	DerivedMesh *dm= derivedData, *result= NULL;
	GHash *vertHash=NULL, *edgeHash, *faceHash;
	GHashIterator *hashIter;
	MDeformVert *dvert= NULL, *dv;
	int numFaces=0, numEdges=0, numVerts=0;
	int maxVerts, maxEdges, maxFaces;
	int i;
	
	/* Overview of Method:
	 *	1. Get the vertices that are in the vertexgroup of interest 
	 *	2. Filter out unwanted geometry (i.e. not in vertexgroup), by populating mappings with new vs old indices
	 *	3. Make a new mesh containing only the mapping data
	 */
	
	/* get original number of verts, edges, and faces */
	maxVerts= dm->getNumVerts(dm);
	maxEdges= dm->getNumEdges(dm);
	maxFaces= dm->getNumFaces(dm);
	
	/* check if we can just return the original mesh 
	 *	- must have verts and therefore verts assigned to vgroups to do anything useful
	 */
	if ( !(ELEM(mmd->mode, MOD_MASK_MODE_ARM, MOD_MASK_MODE_VGROUP)) ||
		 (maxVerts == 0) || (ob->defbase.first == NULL) )
	{
		return derivedData;
	}
	
	/* if mode is to use selected armature bones, aggregate the bone groups */
	if (mmd->mode == MOD_MASK_MODE_ARM) /* --- using selected bones --- */
	{
		GHash *vgroupHash;
		Object *oba= mmd->ob_arm;
		bPoseChannel *pchan;
		bDeformGroup *def;
		char *bone_select_array;
		int bone_select_tot= 0;
		
		/* check that there is armature object with bones to use, otherwise return original mesh */
		if (ELEM3(NULL, mmd->ob_arm, mmd->ob_arm->pose, ob->defbase.first))
			return derivedData;

		bone_select_array= MEM_mallocN(BLI_countlist(&ob->defbase) * sizeof(char), "mask array");

		for (i = 0, def = ob->defbase.first; def; def = def->next, i++)
		{
			if (((pchan= get_pose_channel(oba->pose, def->name)) && pchan->bone && (pchan->bone->flag & BONE_SELECTED)))
			{
				bone_select_array[i]= TRUE;
				bone_select_tot++;
			}
			else {
				bone_select_array[i]= FALSE;
			}
		}

		/* hashes for finding mapping of:
		 * 	- vgroups to indices -> vgroupHash  (string, int)
		 *	- bones to vgroup indices -> boneHash (index of vgroup, dummy)
		 */
		vgroupHash= BLI_ghash_new(BLI_ghashutil_strhash, BLI_ghashutil_strcmp, "mask vgroup gh");
		
		/* build mapping of names of vertex groups to indices */
		for (i = 0, def = ob->defbase.first; def; def = def->next, i++) 
			BLI_ghash_insert(vgroupHash, def->name, SET_INT_IN_POINTER(i));
		
		/* if no bones selected, free hashes and return original mesh */
		if (bone_select_tot == 0)
		{
			BLI_ghash_free(vgroupHash, NULL, NULL);
			MEM_freeN(bone_select_array);
			
			return derivedData;
		}
		
		/* repeat the previous check, but for dverts */
		dvert= dm->getVertDataArray(dm, CD_MDEFORMVERT);
		if (dvert == NULL)
		{
			BLI_ghash_free(vgroupHash, NULL, NULL);
			MEM_freeN(bone_select_array);
			
			return derivedData;
		}
		
		/* hashes for quickly providing a mapping from old to new - use key=oldindex, value=newindex */
		vertHash= BLI_ghash_new(BLI_ghashutil_inthash, BLI_ghashutil_intcmp, "mask vert gh");
		
		/* add vertices which exist in vertexgroups into vertHash for filtering */
		for (i= 0, dv= dvert; i < maxVerts; i++, dv++)
		{
			MDeformWeight *dw= dv->dw;
			int j;

			for (j= dv->totweight; j > 0; j--, dw++)
			{
				if (bone_select_array[dw->def_nr])
				{
					if(dw->weight != 0.0f) {
						break;
					}
				}
			}
			
			/* check if include vert in vertHash */
			if (mmd->flag & MOD_MASK_INV) {
				/* if this vert is in the vgroup, don't include it in vertHash */
				if (dw) continue;
			}
			else {
				/* if this vert isn't in the vgroup, don't include it in vertHash */
				if (!dw) continue;
			}
			
			/* add to ghash for verts (numVerts acts as counter for mapping) */
			BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(i), SET_INT_IN_POINTER(numVerts));
			numVerts++;
		}
		
		/* free temp hashes */
		BLI_ghash_free(vgroupHash, NULL, NULL);
		MEM_freeN(bone_select_array);
	}
	else		/* --- Using Nominated VertexGroup only --- */ 
	{
		int defgrp_index = defgroup_name_index(ob, mmd->vgroup);
		
		/* get dverts */
		if (defgrp_index >= 0)
			dvert = dm->getVertDataArray(dm, CD_MDEFORMVERT);
			
		/* if no vgroup (i.e. dverts) found, return the initial mesh */
		if ((defgrp_index < 0) || (dvert == NULL))
			return dm;
			
		/* hashes for quickly providing a mapping from old to new - use key=oldindex, value=newindex */
		vertHash= BLI_ghash_new(BLI_ghashutil_inthash, BLI_ghashutil_intcmp, "mask vert2 bh");
		
		/* add vertices which exist in vertexgroup into ghash for filtering */
		for (i= 0, dv= dvert; i < maxVerts; i++, dv++)
		{
			const int weight_set= defvert_find_weight(dv, defgrp_index) != 0.0f;
			
			/* check if include vert in vertHash */
			if (mmd->flag & MOD_MASK_INV) {
				/* if this vert is in the vgroup, don't include it in vertHash */
				if (weight_set) continue;
			}
			else {
				/* if this vert isn't in the vgroup, don't include it in vertHash */
				if (!weight_set) continue;
			}
			
			/* add to ghash for verts (numVerts acts as counter for mapping) */
			BLI_ghash_insert(vertHash, SET_INT_IN_POINTER(i), SET_INT_IN_POINTER(numVerts));
			numVerts++;
		}
	}
	
	/* hashes for quickly providing a mapping from old to new - use key=oldindex, value=newindex */
	edgeHash= BLI_ghash_new(BLI_ghashutil_inthash, BLI_ghashutil_intcmp, "mask ed2 gh");
	faceHash= BLI_ghash_new(BLI_ghashutil_inthash, BLI_ghashutil_intcmp, "mask fa2 gh");
	
	/* loop over edges and faces, and do the same thing to 
	 * ensure that they only reference existing verts 
	 */
	for (i = 0; i < maxEdges; i++) 
	{
		MEdge me;
		dm->getEdge(dm, i, &me);
		
		/* only add if both verts will be in new mesh */
		if ( BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(me.v1)) &&
			 BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(me.v2)) )
		{
			BLI_ghash_insert(edgeHash, SET_INT_IN_POINTER(i), SET_INT_IN_POINTER(numEdges));
			numEdges++;
		}
	}
	for (i = 0; i < maxFaces; i++) 
	{
		MFace mf;
		dm->getFace(dm, i, &mf);
		
		/* all verts must be available */
		if ( BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(mf.v1)) &&
			 BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(mf.v2)) &&
			 BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(mf.v3)) &&
			(mf.v4==0 || BLI_ghash_haskey(vertHash, SET_INT_IN_POINTER(mf.v4))) )
		{
			BLI_ghash_insert(faceHash, SET_INT_IN_POINTER(i), SET_INT_IN_POINTER(numFaces));
			numFaces++;
		}
	}
	
	
	/* now we know the number of verts, edges and faces, 
	 * we can create the new (reduced) mesh
	 */
	result = CDDM_from_template(dm, numVerts, numEdges, numFaces);
	
	
	/* using ghash-iterators, map data into new mesh */
		/* vertices */
	for ( hashIter = BLI_ghashIterator_new(vertHash);
		  !BLI_ghashIterator_isDone(hashIter);
		  BLI_ghashIterator_step(hashIter) ) 
	{
		MVert source;
		MVert *dest;
		int oldIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getKey(hashIter));
		int newIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getValue(hashIter));
		
		dm->getVert(dm, oldIndex, &source);
		dest = CDDM_get_vert(result, newIndex);
		
		DM_copy_vert_data(dm, result, oldIndex, newIndex, 1);
		*dest = source;
	}
	BLI_ghashIterator_free(hashIter);
		
		/* edges */
	for ( hashIter = BLI_ghashIterator_new(edgeHash);
		  !BLI_ghashIterator_isDone(hashIter);
		  BLI_ghashIterator_step(hashIter) ) 
	{
		MEdge source;
		MEdge *dest;
		int oldIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getKey(hashIter));
		int newIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getValue(hashIter));
		
		dm->getEdge(dm, oldIndex, &source);
		dest = CDDM_get_edge(result, newIndex);
		
		source.v1 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v1)));
		source.v2 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v2)));
		
		DM_copy_edge_data(dm, result, oldIndex, newIndex, 1);
		*dest = source;
	}
	BLI_ghashIterator_free(hashIter);
	
		/* faces */
	for ( hashIter = BLI_ghashIterator_new(faceHash);
		  !BLI_ghashIterator_isDone(hashIter);
		  BLI_ghashIterator_step(hashIter) ) 
	{
		MFace source;
		MFace *dest;
		int oldIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getKey(hashIter));
		int newIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getValue(hashIter));
		int orig_v4;
		
		dm->getFace(dm, oldIndex, &source);
		dest = CDDM_get_face(result, newIndex);
		
		orig_v4 = source.v4;
		
		source.v1 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v1)));
		source.v2 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v2)));
		source.v3 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v3)));
		if (source.v4)
		   source.v4 = GET_INT_FROM_POINTER(BLI_ghash_lookup(vertHash, SET_INT_IN_POINTER(source.v4)));
		
		DM_copy_face_data(dm, result, oldIndex, newIndex, 1);
		*dest = source;
		
		test_index_face(dest, &result->faceData, newIndex, (orig_v4 ? 4 : 3));
	}
	BLI_ghashIterator_free(hashIter);
	
	/* recalculate normals */
	CDDM_calc_normals(result);
	
	/* free hashes */
	BLI_ghash_free(vertHash, NULL, NULL);
	BLI_ghash_free(edgeHash, NULL, NULL);
	BLI_ghash_free(faceHash, NULL, NULL);
	
	/* return the new mesh */
	return result;
}