1 files changed, 127 insertions, 0 deletions
diff --git a/source/blender/bmesh/operators/mirror.c b/source/blender/bmesh/operators/mirror.c
new file mode 100644
index 00000000000..a97a891be02
--- /dev/null
+++ b/source/blender/bmesh/operators/mirror.c
@@ -0,0 +1,127 @@
+#include "MEM_guardedalloc.h"
+
+#include "DNA_listBase.h"
+#include "DNA_customdata_types.h"
+#include "DNA_mesh_types.h"
+#include "DNA_meshdata_types.h"
+#include "DNA_object_types.h"
+#include "DNA_scene_types.h"
+
+#include <string.h>
+
+#include "BKE_customdata.h" 
+#include "BKE_mesh.h"
+#include "BKE_global.h"
+#include "BKE_DerivedMesh.h"
+#include "BKE_cdderivedmesh.h"
+#include "BKE_utildefines.h"
+
+#include "BLI_editVert.h"
+#include "mesh_intern.h"
+#include "ED_mesh.h"
+
+#include "BLI_math.h"
+#include "BLI_blenlib.h"
+#include "BLI_edgehash.h"
+#include "BLI_array.h"
+#include "BLI_utildefines.h"
+
+#include "bmesh.h"
+#include "bmesh_operators_private.h" /* own include */
+
+/*
+ * MIRROR.C
+ *
+ * mirror bmop.
+ *
+*/
+
+#define ELE_NEW		1
+
+void bmesh_mirror_exec(BMesh *bm, BMOperator *op) {
+	BMOperator dupeop, weldop;
+	BMOIter siter;
+	BMIter iter;
+	BMVert *v, *v2, **vmap = NULL;
+	BLI_array_declare(vmap);
+	BMEdge /*  *e, */ **emap = NULL;
+	BLI_array_declare(emap);
+	float mtx[4][4];
+	float imtx[4][4];
+	float scale[3] = {1.0f, 1.0f, 1.0f};
+	float dist = BMO_Get_Float(op, "mergedist");
+	int i, ototvert, ototedge, axis = BMO_Get_Int(op, "axis");
+	int mirroru = BMO_Get_Int(op, "mirror_u");
+	int mirrorv = BMO_Get_Int(op, "mirror_v");
+
+	ototvert = bm->totvert;
+	ototedge = bm->totedge;
+	
+	BMO_Get_Mat4(op, "mat", mtx);
+	invert_m4_m4(imtx, mtx);
+	
+	BMO_InitOpf(bm, &dupeop, "dupe geom=%s", op, "geom");
+	BMO_Exec_Op(bm, &dupeop);
+	
+	BMO_Flag_Buffer(bm, &dupeop, "newout", ELE_NEW, BM_ALL);
+
+	/*create old -> new mapping*/
+	i = 0;
+	v2 = BMIter_New(&iter, bm, BM_VERTS_OF_MESH, NULL);
+	BMO_ITER(v, &siter, bm, &dupeop, "newout", BM_VERT) {
+		BLI_array_growone(vmap);
+		vmap[i] = v;
+
+		BM_SetIndex(v2, i);
+		v2 = BMIter_Step(&iter);
+
+		i += 1;
+	}
+
+	/*feed old data to transform bmop*/
+	scale[axis] = -1.0f;
+	BMO_CallOpf(bm, "transform verts=%fv mat=%m4", ELE_NEW, mtx);
+	BMO_CallOpf(bm, "scale verts=%fv vec=%v", ELE_NEW, scale);
+	BMO_CallOpf(bm, "transform verts=%fv mat=%m4", ELE_NEW, imtx);
+	
+	BMO_Init_Op(&weldop, "weldverts");
+
+	v = BMIter_New(&iter, bm, BM_VERTS_OF_MESH, NULL);
+	for (i=0; i<ototvert; i++) {
+		if (ABS(v->co[axis]) <= dist) {
+			BMO_Insert_MapPointer(bm, &weldop, "targetmap", vmap[i], v);
+		}
+		v = BMIter_Step(&iter);
+	}
+	
+	if (mirroru || mirrorv) {
+		BMFace *f;
+		BMLoop *l;
+		MLoopUV *luv;
+		int totlayer;
+		BMIter liter;
+
+		BMO_ITER(f, &siter, bm, &dupeop, "newout", BM_FACE) {
+			BM_ITER(l, &liter, bm, BM_LOOPS_OF_FACE, f) {
+				totlayer = CustomData_number_of_layers(&bm->ldata, CD_MLOOPUV);
+				for (i=0; i<totlayer; i++) {
+					luv = CustomData_bmesh_get_n(&bm->ldata, l->head.data, CD_MLOOPUV, i);
+					if (mirroru)
+						luv->uv[0]= 1.0f - luv->uv[0];
+					if (mirrorv)
+						luv->uv[1]= 1.0f - luv->uv[1];
+				}
+			}
+		}
+	}
+
+	BMO_Exec_Op(bm, &weldop);
+	
+	BMO_Finish_Op(bm, &weldop);
+	BMO_Finish_Op(bm, &dupeop);
+
+	BMO_Flag_To_Slot(bm, op, "newout", ELE_NEW, BM_ALL);
+
+	BLI_array_free(vmap);
+	BLI_array_free(emap);
+}