[Bf-blender-cvs] [631ecbc4ca] master: Fix unreported bug: Ensure you have the correct array directory even after the `dm->release(dm)`

Germano Cavalcante noreply at git.blender.org
Sun Feb 26 18:17:05 CET 2017


Commit: 631ecbc4cae1ade3ae1104e0d2945e35282f103e
Author: Germano Cavalcante
Date:   Sun Feb 26 14:16:54 2017 -0300
Branches: master
https://developer.blender.org/rB631ecbc4cae1ade3ae1104e0d2945e35282f103e

Fix unreported bug: Ensure you have the correct array directory even after the `dm->release(dm)`

===================================================================

M	source/blender/editors/transform/transform_snap_object.c

===================================================================

diff --git a/source/blender/editors/transform/transform_snap_object.c b/source/blender/editors/transform/transform_snap_object.c
index 53f6b37c22..cf16bb8817 100644
--- a/source/blender/editors/transform/transform_snap_object.c
+++ b/source/blender/editors/transform/transform_snap_object.c
@@ -87,6 +87,8 @@ typedef struct SnapObjectData {
 typedef struct SnapObjectData_Mesh {
 	SnapObjectData sd;
 	BVHTreeFromMesh *bvh_trees[3];
+	MPoly *mpoly;
+	bool poly_allocated;
 
 } SnapObjectData_Mesh;
 
@@ -1173,6 +1175,29 @@ static bool snapDerivedMesh(
 			if (treedata->cached && !bvhcache_has_tree(dm->bvhCache, treedata->tree)) {
 				free_bvhtree_from_mesh(treedata);
 			}
+			else {
+				if (!treedata->vert_allocated) {
+					treedata->vert = DM_get_vert_array(dm, &treedata->vert_allocated);
+				}
+				if ((tree_index == 1) && !treedata->edge_allocated) {
+					treedata->edge = DM_get_edge_array(dm, &treedata->vert_allocated);
+				}
+				if (tree_index == 2) {
+					if (!treedata->loop_allocated) {
+						treedata->loop = DM_get_loop_array(dm, &treedata->loop_allocated);
+					}
+					if (!treedata->looptri_allocated) {
+						if (!sod->poly_allocated) {
+							sod->mpoly = DM_get_poly_array(dm, &sod->poly_allocated);
+						}
+						treedata->looptri = DM_get_looptri_array(
+						        dm, treedata->vert,
+						        sod->mpoly, dm->getNumPolys(dm),
+						        treedata->loop, dm->getNumLoops(dm),
+						        &treedata->looptri_allocated);
+					}
+				}
+			}
 		}
 	}
 
@@ -1855,6 +1880,9 @@ static void snap_object_data_free(void *sod_v)
 					free_bvhtree_from_mesh(sod->bvh_trees[i]);
 				}
 			}
+			if (sod->poly_allocated) {
+				MEM_freeN(sod->mpoly);
+			}
 			break;
 		}
 		case SNAP_EDIT_MESH:




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