[Bf-blender-cvs] [45264883075] temp-geometry-nodes-mix-attributes: support changing factor type

Jacques Lucke noreply at git.blender.org
Wed Dec 9 15:03:30 CET 2020


Commit: 4526488307535b0d9a2a7a575f63a9fcfd77ba51
Author: Jacques Lucke
Date:   Wed Dec 9 13:15:53 2020 +0100
Branches: temp-geometry-nodes-mix-attributes
https://developer.blender.org/rB4526488307535b0d9a2a7a575f63a9fcfd77ba51

support changing factor type

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

M	source/blender/editors/space_node/drawnode.c
M	source/blender/makesrna/intern/rna_nodetree.c
M	source/blender/nodes/geometry/nodes/node_geo_attribute_mix.cc

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

diff --git a/source/blender/editors/space_node/drawnode.c b/source/blender/editors/space_node/drawnode.c
index f9ef1f356f3..65b084faff9 100644
--- a/source/blender/editors/space_node/drawnode.c
+++ b/source/blender/editors/space_node/drawnode.c
@@ -3187,6 +3187,7 @@ static void node_geometry_buts_attribute_mix(uiLayout *layout,
                                              PointerRNA *ptr)
 {
   uiItemR(layout, ptr, "blend_type", DEFAULT_FLAGS, "", ICON_NONE);
+  uiItemR(layout, ptr, "input_type_factor", DEFAULT_FLAGS, "Factor", ICON_NONE);
 }
 
 static void node_geometry_set_butfunc(bNodeType *ntype)
diff --git a/source/blender/makesrna/intern/rna_nodetree.c b/source/blender/makesrna/intern/rna_nodetree.c
index c435c40e7a6..9cf96c28960 100644
--- a/source/blender/makesrna/intern/rna_nodetree.c
+++ b/source/blender/makesrna/intern/rna_nodetree.c
@@ -435,6 +435,14 @@ static const EnumPropertyItem rna_node_geometry_attribute_input_b_items[] = {
     {0, NULL, 0, NULL, NULL},
 };
 
+static const EnumPropertyItem rna_node_geometry_attribute_input_type_items[] = {
+    {GEO_NODE_ATTRIBUTE_INPUT__ATTRIBUTE, "ATTRIBUTE", 0, "Attribute", ""},
+    {GEO_NODE_ATTRIBUTE_INPUT__CONSTANT_FLOAT, "FLOAT", 0, "Float", ""},
+    {GEO_NODE_ATTRIBUTE_INPUT__CONSTANT_VECTOR, "VECTOR", 0, "Vector", ""},
+    {GEO_NODE_ATTRIBUTE_INPUT__CONSTANT_COLOR, "COLOR", 0, "Color", ""},
+    {0, NULL, 0, NULL, NULL},
+};
+
 #endif
 
 #ifdef RNA_RUNTIME
@@ -8379,6 +8387,11 @@ static void def_geo_attribute_mix(StructRNA *srna)
   RNA_def_property_enum_default(prop, MA_RAMP_BLEND);
   RNA_def_property_ui_text(prop, "Blending Mode", "");
   RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
+
+  prop = RNA_def_property(srna, "input_type_factor", PROP_ENUM, PROP_NONE);
+  RNA_def_property_enum_items(prop, rna_node_geometry_attribute_input_type_items);
+  RNA_def_property_ui_text(prop, "Input Type Factor", "");
+  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_socket_update");
 }
 
 /* -------------------------------------------------------------------------- */
diff --git a/source/blender/nodes/geometry/nodes/node_geo_attribute_mix.cc b/source/blender/nodes/geometry/nodes/node_geo_attribute_mix.cc
index 955ada7d83d..33c4e9ef8e7 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_attribute_mix.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_attribute_mix.cc
@@ -21,7 +21,11 @@
 static bNodeSocketTemplate geo_node_attribute_mix_in[] = {
     {SOCK_GEOMETRY, N_("Geometry")},
     {SOCK_STRING, N_("Factor")},
+    {SOCK_FLOAT, N_("Factor"), 0.5, 0.0, 0.0, 0.0, 0.0, 1.0, PROP_FACTOR},
     {SOCK_STRING, N_("Attribute A")},
+    {SOCK_FLOAT, N_("Attribute A"), 0.0, 0.0, 0.0, 0.0, -FLT_MAX, FLT_MAX},
+    {SOCK_VECTOR, N_("Attribute A"), 0.0, 0.0, 0.0, 0.0, -FLT_MAX, FLT_MAX},
+    {SOCK_RGBA, N_("Attribute A"), 0.5, 0.5, 0.5, 1.0},
     {SOCK_STRING, N_("Attribute B")},
     {SOCK_STRING, N_("Result")},
     {-1, ""},
@@ -86,9 +90,8 @@ static void do_mix_operation_color4f(const int blend_mode,
 static void attribute_mix_calc(GeometryComponent &component, const GeoNodeExecParams &params)
 {
   const bNode &node = params.node();
-  const int blend_mode = node.custom1;
+  const NodeAttributeMix *node_storage = (const NodeAttributeMix *)node.storage;
 
-  const std::string factor_name = params.get_input<std::string>("Factor");
   const std::string attribute_a_name = params.get_input<std::string>("Attribute A");
   const std::string attribute_b_name = params.get_input<std::string>("Attribute B");
   const std::string result_name = params.get_input<std::string>("Result");
@@ -109,8 +112,15 @@ static void attribute_mix_calc(GeometryComponent &component, const GeoNodeExecPa
     return;
   }
 
-  FloatReadAttribute attribute_factor = component.attribute_get_for_read<float>(
-      factor_name, result_domain, 0.5f);
+  FloatReadAttribute attribute_factor = [&]() {
+    if (node_storage->input_type_factor == GEO_NODE_ATTRIBUTE_INPUT__ATTRIBUTE) {
+      const std::string factor_name = params.get_input<std::string>("Factor");
+      return component.attribute_get_for_read<float>(factor_name, result_domain, 0.5f);
+    }
+    const float factor = params.get_input<float>("Factor_001");
+    return component.attribute_get_constant_for_read(result_domain, factor);
+  }();
+
   ReadAttributePtr attribute_a = component.attribute_get_for_read(
       attribute_a_name, result_domain, result_type, nullptr);
   ReadAttributePtr attribute_b = component.attribute_get_for_read(
@@ -120,7 +130,7 @@ static void attribute_mix_calc(GeometryComponent &component, const GeoNodeExecPa
     FloatReadAttribute attribute_a_float = std::move(attribute_a);
     FloatReadAttribute attribute_b_float = std::move(attribute_b);
     FloatWriteAttribute attribute_result_float = std::move(attribute_result);
-    do_mix_operation_float(blend_mode,
+    do_mix_operation_float(node_storage->blend_type,
                            attribute_factor,
                            attribute_a_float,
                            attribute_b_float,
@@ -130,7 +140,7 @@ static void attribute_mix_calc(GeometryComponent &component, const GeoNodeExecPa
     Float3ReadAttribute attribute_a_float3 = std::move(attribute_a);
     Float3ReadAttribute attribute_b_float3 = std::move(attribute_b);
     Float3WriteAttribute attribute_result_float3 = std::move(attribute_result);
-    do_mix_operation_float3(blend_mode,
+    do_mix_operation_float3(node_storage->blend_type,
                             attribute_factor,
                             attribute_a_float3,
                             attribute_b_float3,
@@ -140,7 +150,7 @@ static void attribute_mix_calc(GeometryComponent &component, const GeoNodeExecPa
     Color4fReadAttribute attribute_a_color4f = std::move(attribute_a);
     Color4fReadAttribute attribute_b_color4f = std::move(attribute_b);
     Color4fWriteAttribute attribute_result_color4f = std::move(attribute_result);
-    do_mix_operation_color4f(blend_mode,
+    do_mix_operation_color4f(node_storage->blend_type,
                              attribute_factor,
                              attribute_a_color4f,
                              attribute_b_color4f,
@@ -173,6 +183,30 @@ static void geo_node_attribute_mix_init(bNodeTree *UNUSED(ntree), bNode *node)
   node->storage = data;
 }
 
+static void update_attribute_input_socket_availabilities(bNode &node,
+                                                         const char *prefix,
+                                                         const uint8_t mode)
+{
+  const GeometryNodeAttributeInputMode mode_ = (GeometryNodeAttributeInputMode)mode;
+  LISTBASE_FOREACH (bNodeSocket *, socket, &node.inputs) {
+    if (BLI_str_startswith(socket->name, prefix)) {
+      const bool is_available =
+          ((socket->type == SOCK_STRING && mode_ == GEO_NODE_ATTRIBUTE_INPUT__ATTRIBUTE) ||
+           (socket->type == SOCK_FLOAT && mode_ == GEO_NODE_ATTRIBUTE_INPUT__CONSTANT_FLOAT) ||
+           (socket->type == SOCK_VECTOR && mode_ == GEO_NODE_ATTRIBUTE_INPUT__CONSTANT_VECTOR) ||
+           (socket->type == SOCK_RGBA && mode_ == GEO_NODE_ATTRIBUTE_INPUT__CONSTANT_COLOR));
+      nodeSetSocketAvailability(socket, is_available);
+    }
+  }
+}
+
+static void geo_node_attribute_mix_update(bNodeTree *UNUSED(ntree), bNode *node)
+{
+  NodeAttributeMix *node_storage = (NodeAttributeMix *)node->storage;
+  update_attribute_input_socket_availabilities(*node, "Factor", node_storage->input_type_factor);
+  update_attribute_input_socket_availabilities(*node, "Attribute A", node_storage->input_type_a);
+}
+
 }  // namespace blender::nodes
 
 void register_node_type_geo_attribute_mix()
@@ -182,6 +216,7 @@ void register_node_type_geo_attribute_mix()
   geo_node_type_base(&ntype, GEO_NODE_ATTRIBUTE_MIX, "Attribute Mix", NODE_CLASS_ATTRIBUTE, 0);
   node_type_socket_templates(&ntype, geo_node_attribute_mix_in, geo_node_mix_attribute_out);
   node_type_init(&ntype, blender::nodes::geo_node_attribute_mix_init);
+  node_type_update(&ntype, blender::nodes::geo_node_attribute_mix_update);
   node_type_storage(
       &ntype, "NodeAttributeMix", node_free_standard_storage, node_copy_standard_storage);
   ntype.geometry_node_execute = blender::nodes::geo_node_attribute_mix_exec;



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