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path: root/source/blender/modifiers/intern/MOD_mask.c
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Diffstat (limited to 'source/blender/modifiers/intern/MOD_mask.c')
-rw-r--r--source/blender/modifiers/intern/MOD_mask.c113
1 files changed, 71 insertions, 42 deletions
diff --git a/source/blender/modifiers/intern/MOD_mask.c b/source/blender/modifiers/intern/MOD_mask.c
index 1fbe0eef6f3..edef19fd032 100644
--- a/source/blender/modifiers/intern/MOD_mask.c
+++ b/source/blender/modifiers/intern/MOD_mask.c
@@ -101,13 +101,24 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
{
MaskModifierData *mmd= (MaskModifierData *)md;
DerivedMesh *dm= derivedData, *result= NULL;
- GHash *vertHash=NULL, *edgeHash, *faceHash;
+ GHash *vertHash=NULL, *edgeHash, *polyHash;
GHashIterator *hashIter;
MDeformVert *dvert= NULL, *dv;
- int numFaces=0, numEdges=0, numVerts=0;
- int maxVerts, maxEdges, maxFaces;
+ 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
@@ -117,7 +128,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
/* get original number of verts, edges, and faces */
maxVerts= dm->getNumVerts(dm);
maxEdges= dm->getNumEdges(dm);
- maxFaces= dm->getNumFaces(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
@@ -138,7 +149,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
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, mmd->ob_arm, mmd->ob_arm->pose, ob->defbase.first))
return derivedData;
@@ -259,11 +270,16 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
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");
+ polyHash= BLI_ghash_new(BLI_ghashutil_inthash, BLI_ghashutil_intcmp, "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
*/
@@ -280,19 +296,27 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
numEdges++;
}
}
- for (i = 0; i < maxFaces; i++)
+ for (i = 0; i < maxPolys; i++)
{
- MFace mf;
- dm->getFace(dm, i, &mf);
+ 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 ( 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))) )
+ if (ok)
{
- BLI_ghash_insert(faceHash, SET_INT_IN_POINTER(i), SET_INT_IN_POINTER(numFaces));
- numFaces++;
+ BLI_ghash_insert(polyHash, SET_INT_IN_POINTER(i), SET_INT_IN_POINTER(numPolys));
+ loop_mapping[numPolys] = numLoops;
+ numPolys++;
+ numLoops += mp->totloop;
}
}
@@ -300,8 +324,12 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
/* 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);
+ 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 */
@@ -315,7 +343,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
int newIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getValue(hashIter));
dm->getVert(dm, oldIndex, &source);
- dest = CDDM_get_vert(result, newIndex);
+ dest = &mvert_new[newIndex];
DM_copy_vert_data(dm, result, oldIndex, newIndex, 1);
*dest = source;
@@ -333,7 +361,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
int newIndex = GET_INT_FROM_POINTER(BLI_ghashIterator_getValue(hashIter));
dm->getEdge(dm, oldIndex, &source);
- dest = CDDM_get_edge(result, newIndex);
+ 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)));
@@ -344,42 +372,43 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
BLI_ghashIterator_free(hashIter);
/* faces */
- for ( hashIter = BLI_ghashIterator_new(faceHash);
+ for ( hashIter = BLI_ghashIterator_new(polyHash);
!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;
+ 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->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));
+ 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(faceHash, NULL, NULL);
-
+ BLI_ghash_free(polyHash, NULL, NULL);
+
/* return the new mesh */
return result;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-29 02:54:49 +0300