initial empty particle nodes modifier

7 files changed, 120 insertions, 0 deletions

diff --git a/source/blender/editors/space_outliner/outliner_draw.c b/source/blender/editors/space_outliner/outliner_draw.c
index 11047ef78fa..37a78525b4c 100644
--- a/source/blender/editors/space_outliner/outliner_draw.c
+++ b/source/blender/editors/space_outliner/outliner_draw.c
@@ -2009,6 +2009,7 @@ TreeElementIcon tree_element_get_icon(TreeStoreElem *tselem, TreeElement *te)
             case eModifierType_ShapeKey:
             case eModifierType_FunctionDeform:
             case eModifierType_FunctionPoints:
+            case eModifierType_NodeParticles:
 
             case NUM_MODIFIER_TYPES:
               data.icon = ICON_DOT;
diff --git a/source/blender/makesdna/DNA_modifier_types.h b/source/blender/makesdna/DNA_modifier_types.h
index e5a472552f9..bd6faebaf59 100644
--- a/source/blender/makesdna/DNA_modifier_types.h
+++ b/source/blender/makesdna/DNA_modifier_types.h
@@ -90,6 +90,7 @@ typedef enum ModifierType {
   eModifierType_WeightedNormal = 54,
   eModifierType_FunctionDeform = 55,
   eModifierType_FunctionPoints = 56,
+  eModifierType_NodeParticles = 57,
   NUM_MODIFIER_TYPES
 } ModifierType;
 
@@ -1963,4 +1964,8 @@ typedef struct FunctionPointsModifierData {
   struct bNodeTree *function_tree;
 } FunctionPointsModifierData;
 
+typedef struct NodeParticlesModifierData {
+  ModifierData modifier;
+} NodeParticlesModifierData;
+
 #endif /* __DNA_MODIFIER_TYPES_H__ */
diff --git a/source/blender/makesrna/intern/rna_modifier.c b/source/blender/makesrna/intern/rna_modifier.c
index 96e9f393c2b..7af6b83898d 100644
--- a/source/blender/makesrna/intern/rna_modifier.c
+++ b/source/blender/makesrna/intern/rna_modifier.c
@@ -147,6 +147,7 @@ const EnumPropertyItem rna_enum_object_modifier_type_items[] = {
     {eModifierType_Smoke, "SMOKE", ICON_MOD_SMOKE, "Smoke", ""},
     {eModifierType_Softbody, "SOFT_BODY", ICON_MOD_SOFT, "Soft Body", ""},
     {eModifierType_Surface, "SURFACE", ICON_MODIFIER, "Surface", ""},
+    {eModifierType_NodeParticles, "NODE_PARTICLES", ICON_NONE, "Node Particles", ""},
     {0, NULL, 0, NULL, NULL},
 };
 
@@ -579,6 +580,8 @@ static StructRNA *rna_Modifier_refine(struct PointerRNA *ptr)
       return &RNA_FunctionDeformModifier;
     case eModifierType_FunctionPoints:
       return &RNA_FunctionPointsModifier;
+    case eModifierType_NodeParticles:
+      return &RNA_NodeParticlesModifier;
     /* Default */
     case eModifierType_None:
     case eModifierType_ShapeKey:
@@ -5970,6 +5973,16 @@ static void rna_def_modifier_function_points(BlenderRNA *brna)
   RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 }
 
+static void rna_def_modifier_node_particles(BlenderRNA *brna)
+{
+  StructRNA *srna;
+
+  srna = RNA_def_struct(brna, "NodeParticlesModifier", "Modifier");
+  RNA_def_struct_ui_text(srna, "Node Particles Modifier", "");
+  RNA_def_struct_sdna(srna, "NodeParticlesModifierData");
+  RNA_def_struct_ui_icon(srna, ICON_NONE);
+}
+
 void RNA_def_modifier(BlenderRNA *brna)
 {
   StructRNA *srna;
@@ -6097,6 +6110,7 @@ void RNA_def_modifier(BlenderRNA *brna)
   rna_def_modifier_weightednormal(brna);
   rna_def_modifier_function_deform(brna);
   rna_def_modifier_function_points(brna);
+  rna_def_modifier_node_particles(brna);
 }
 
 #endif
diff --git a/source/blender/modifiers/CMakeLists.txt b/source/blender/modifiers/CMakeLists.txt
index 2a1e46d6505..9b0411b5aa8 100644
--- a/source/blender/modifiers/CMakeLists.txt
+++ b/source/blender/modifiers/CMakeLists.txt
@@ -73,6 +73,7 @@ set(SRC
   intern/MOD_meshsequencecache.c
   intern/MOD_mirror.c
   intern/MOD_multires.c
+  intern/MOD_nodeparticles.c
   intern/MOD_none.c
   intern/MOD_normal_edit.c
   intern/MOD_ocean.c
diff --git a/source/blender/modifiers/MOD_modifiertypes.h b/source/blender/modifiers/MOD_modifiertypes.h
index 0a3313e7810..a9aaa2f69ec 100644
--- a/source/blender/modifiers/MOD_modifiertypes.h
+++ b/source/blender/modifiers/MOD_modifiertypes.h
@@ -83,6 +83,7 @@ extern ModifierTypeInfo modifierType_SurfaceDeform;
 extern ModifierTypeInfo modifierType_WeightedNormal;
 extern ModifierTypeInfo modifierType_FunctionDeform;
 extern ModifierTypeInfo modifierType_FunctionPoints;
+extern ModifierTypeInfo modifierType_NodeParticles;
 
 /* MOD_util.c */
 void modifier_type_init(ModifierTypeInfo *types[]);
diff --git a/source/blender/modifiers/intern/MOD_nodeparticles.c b/source/blender/modifiers/intern/MOD_nodeparticles.c
new file mode 100644
index 00000000000..6cc94f4be77
--- /dev/null
+++ b/source/blender/modifiers/intern/MOD_nodeparticles.c
@@ -0,0 +1,97 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software  Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2019 by the Blender Foundation.
+ * All rights reserved.
+ * ***** END GPL LICENSE BLOCK *****
+ *
+ */
+
+/** \file blender/modifiers/intern/MOD_nodeparticles.c
+ *  \ingroup modifiers
+ *
+ */
+
+#include "DNA_mesh_types.h"
+#include "DNA_meshdata_types.h"
+#include "DNA_modifier_types.h"
+#include "DNA_object_types.h"
+
+#include "BKE_mesh.h"
+#include "BKE_modifier.h"
+
+#include "BLI_math.h"
+
+#include "MOD_util.h"
+
+static Mesh *applyModifier(ModifierData *UNUSED(md),
+                           const struct ModifierEvalContext *UNUSED(ctx),
+                           Mesh *UNUSED(mesh))
+{
+  Mesh *mesh = BKE_mesh_new_nomain(1, 0, 0, 0, 0);
+  float point[] = {1, 2, 3};
+  copy_v3_v3(mesh->mvert[0].co, point);
+  return mesh;
+}
+
+static void initData(ModifierData *UNUSED(md))
+{
+}
+
+static bool dependsOnTime(ModifierData *UNUSED(md))
+{
+  return false;
+}
+
+static void updateDepsgraph(ModifierData *UNUSED(md),
+                            const ModifierUpdateDepsgraphContext *UNUSED(ctx))
+{
+}
+
+static void foreachIDLink(ModifierData *UNUSED(md),
+                          Object *UNUSED(ob),
+                          IDWalkFunc UNUSED(walk),
+                          void *UNUSED(userData))
+{
+}
+
+ModifierTypeInfo modifierType_NodeParticles = {
+    /* name */ "Node Particles",
+    /* structName */ "NodeParticlesModifierData",
+    /* structSize */ sizeof(NodeParticlesModifierData),
+    /* type */ eModifierTypeType_Constructive,
+    /* flags */ eModifierTypeFlag_AcceptsMesh,
+    /* copyData */ modifier_copyData_generic,
+
+    /* deformVerts */ NULL,
+    /* deformMatrices */ NULL,
+    /* deformVertsEM */ NULL,
+    /* deformMatricesEM */ NULL,
+    /* applyModifier */ applyModifier,
+
+    /* initData */ initData,
+    /* requiredDataMask */ NULL,
+    /* freeData */ NULL,
+    /* isDisabled */ NULL,
+    /* updateDepsgraph */ updateDepsgraph,
+    /* dependsOnTime */ dependsOnTime,
+    /* dependsOnNormals */ NULL,
+    /* foreachObjectLink */ NULL,
+    /* foreachIDLink */ foreachIDLink,
+    /* foreachTexLink */ NULL,
+    /* freeRuntimeData */ NULL,
+};
diff --git a/source/blender/modifiers/intern/MOD_util.c b/source/blender/modifiers/intern/MOD_util.c
index ea61e139ef9..aace7f48f24 100644
--- a/source/blender/modifiers/intern/MOD_util.c
+++ b/source/blender/modifiers/intern/MOD_util.c
@@ -309,5 +309,6 @@ void modifier_type_init(ModifierTypeInfo *types[])
   INIT_TYPE(WeightedNormal);
   INIT_TYPE(FunctionDeform);
   INIT_TYPE(FunctionPoints);
+  INIT_TYPE(NodeParticles);
 #undef INIT_TYPE
 }