1 files changed, 65 insertions, 19 deletions

diff --git a/source/blender/blenkernel/intern/mball.c b/source/blender/blenkernel/intern/mball.c
index dfc49c996b1..5a0ac86823f 100644
--- a/source/blender/blenkernel/intern/mball.c
+++ b/source/blender/blenkernel/intern/mball.c
@@ -57,7 +57,6 @@
 
 #include "BKE_animsys.h"
 #include "BKE_curve.h"
-#include "BKE_depsgraph.h"
 #include "BKE_scene.h"
 #include "BKE_library.h"
 #include "BKE_library_query.h"
@@ -67,6 +66,8 @@
 #include "BKE_object.h"
 #include "BKE_material.h"
 
+//#include "DEG_depsgraph.h"
+
 /* Functions */
 
 /** Free (or release) any data used by this mball (does not free the mball itself). */
@@ -74,6 +75,8 @@ void BKE_mball_free(MetaBall *mb)
 {
 	BKE_animdata_free((ID *)mb, false);
 
+	BKE_mball_batch_cache_free(mb);
+
 	MEM_SAFE_FREE(mb->mat);
 
 	BLI_freelistN(&mb->elems);
@@ -119,6 +122,7 @@ void BKE_mball_copy_data(Main *UNUSED(bmain), MetaBall *mb_dst, const MetaBall *
 
 	mb_dst->editelems = NULL;
 	mb_dst->lastelem = NULL;
+	mb_dst->batch_cache = NULL;
 }
 
 MetaBall *BKE_mball_copy(Main *bmain, const MetaBall *mb)
@@ -325,7 +329,7 @@ void BKE_mball_properties_copy(Scene *scene, Object *active_object)
 	int basisnr, obnr;
 	char basisname[MAX_ID_NAME], obname[MAX_ID_NAME];
 	SceneBaseIter iter;
-	EvaluationContext *eval_ctx = G.main->eval_ctx;
+	struct EvaluationContext *eval_ctx = G.main->eval_ctx;
 
 	BLI_split_name_num(basisname, &basisnr, active_object->id.name + 2, '.');
 
@@ -362,27 +366,25 @@ void BKE_mball_properties_copy(Scene *scene, Object *active_object)
  */
 Object *BKE_mball_basis_find(Scene *scene, Object *basis)
 {
-	Scene *sce_iter = scene;
-	Base *base;
-	Object *ob, *bob = basis;
+	Object *bob = basis;
 	int basisnr, obnr;
 	char basisname[MAX_ID_NAME], obname[MAX_ID_NAME];
-	SceneBaseIter iter;
-	EvaluationContext *eval_ctx = G.main->eval_ctx;
 
 	BLI_split_name_num(basisname, &basisnr, basis->id.name + 2, '.');
 
-	BKE_scene_base_iter_next(eval_ctx, &iter, &sce_iter, 0, NULL, NULL);
-	while (BKE_scene_base_iter_next(eval_ctx, &iter, &sce_iter, 1, &base, &ob)) {
-		if ((ob->type == OB_MBALL) && !(base->flag & OB_FROMDUPLI)) {
-			if (ob != bob) {
-				BLI_split_name_num(obname, &obnr, ob->id.name + 2, '.');
-
-				/* object ob has to be in same "group" ... it means, that it has to have same base of its name */
-				if (STREQ(obname, basisname)) {
-					if (obnr < basisnr) {
-						basis = ob;
-						basisnr = obnr;
+	for (ViewLayer *view_layer = scene->view_layers.first; view_layer; view_layer = view_layer->next) {
+		for (Base *base = view_layer->object_bases.first; base; base = base->next) {
+			Object *ob = base->object;
+			if ((ob->type == OB_MBALL) && !(base->flag & OB_FROMDUPLI)) {
+				if (ob != bob) {
+					BLI_split_name_num(obname, &obnr, ob->id.name + 2, '.');
+
+					/* object ob has to be in same "group" ... it means, that it has to have same base of its name */
+					if (STREQ(obname, basisname)) {
+						if (obnr < basisnr) {
+							basis = ob;
+							basisnr = obnr;
+						}
 					}
 				}
 			}
@@ -539,7 +541,51 @@ void BKE_mball_select_swap(struct MetaBall *mb)
 
 /* **** Depsgraph evaluation **** */
 
-void BKE_mball_eval_geometry(EvaluationContext *UNUSED(eval_ctx),
+void BKE_mball_eval_geometry(const struct EvaluationContext *UNUSED(eval_ctx),
                              MetaBall *UNUSED(mball))
 {
 }
+
+/* Draw Engine */
+
+/* use for draw-manager only. */
+void BKE_mball_element_calc_display_m3x4(float r_scale_xform[3][4],
+                                         const float obmat[4][4],
+                                         const float local_pos[3])
+{
+	float world_pos[3], scamat[3][3];
+	mul_v3_m4v3(world_pos, obmat, local_pos);
+	copy_m3_m4(scamat, obmat);
+	{
+		/* Get the normalized inverse matrix to extract only
+		 * the scale of Scamat */
+		float iscamat[3][3];
+		invert_m3_m3(iscamat, scamat);
+		normalize_m3(iscamat);
+		mul_m3_m3_post(scamat, iscamat);
+	}
+
+	copy_v3_v3(r_scale_xform[0], scamat[0]);
+	copy_v3_v3(r_scale_xform[1], scamat[1]);
+	copy_v3_v3(r_scale_xform[2], scamat[2]);
+
+	r_scale_xform[0][3] = world_pos[0];
+	r_scale_xform[1][3] = world_pos[1];
+	r_scale_xform[2][3] = world_pos[2];
+}
+
+void (*BKE_mball_batch_cache_dirty_cb)(MetaBall *mb, int mode) = NULL;
+void (*BKE_mball_batch_cache_free_cb)(MetaBall *mb) = NULL;
+
+void BKE_mball_batch_cache_dirty(MetaBall *mb, int mode)
+{
+	if (mb->batch_cache) {
+		BKE_mball_batch_cache_dirty_cb(mb, mode);
+	}
+}
+void BKE_mball_batch_cache_free(MetaBall *mb)
+{
+	if (mb->batch_cache) {
+		BKE_mball_batch_cache_free_cb(mb);
+	}
+}