1 files changed, 28 insertions, 8 deletions

diff --git a/engine-ecs/src/component.rs b/engine-ecs/src/component.rs
index 9220ffb..847ecbd 100644
--- a/engine-ecs/src/component.rs
+++ b/engine-ecs/src/component.rs
@@ -294,6 +294,7 @@ pub struct Parts
 {
     pub id: Uid,
     pub name: &'static str,
+    pub is_sole: bool,
     pub type_reflection: Option<&'static TypeReflection>,
     pub data: Box<dyn Any>,
     pub pair_relation_metadata: Option<PairMemberMetadata>,
@@ -302,6 +303,18 @@ pub struct Parts
 
 impl Parts
 {
+    pub fn from_component_info(component_info: &Info, id: Uid, data: Box<dyn Any>)
+        -> Self
+    {
+        assert_eq!((*data).type_id(), component_info.ty_id);
+
+        Self::builder()
+            .type_reflection(component_info.type_reflection)
+            .name(component_info.name)
+            .is_sole(component_info.is_sole)
+            .build_with_any_data(id, data)
+    }
+
     #[must_use]
     pub fn builder() -> PartsBuilder
     {
@@ -313,6 +326,7 @@ impl Parts
 pub struct PartsBuilder
 {
     name: &'static str,
+    is_sole: bool,
     type_reflection: Option<&'static TypeReflection>,
     pair_relation_metadata: Option<PairMemberMetadata>,
     pair_target_metadata: Option<PairMemberMetadata>,
@@ -328,6 +342,13 @@ impl PartsBuilder
     }
 
     #[must_use]
+    pub fn is_sole(mut self, is_sole: bool) -> Self
+    {
+        self.is_sole = is_sole;
+        self
+    }
+
+    #[must_use]
     pub fn type_reflection(
         mut self,
         type_reflection: Option<&'static TypeReflection>,
@@ -338,20 +359,15 @@ impl PartsBuilder
     }
 
     #[must_use]
-    pub fn pair_relation_metadata(
-        mut self,
-        metadata: Option<PairMemberMetadata>,
-    ) -> Self
+    pub fn pair_relation_metadata(mut self, metadata: Option<PairMemberMetadata>)
+        -> Self
     {
         self.pair_relation_metadata = metadata;
         self
     }
 
     #[must_use]
-    pub fn pair_target_metadata(
-        mut self,
-        metadata: Option<PairMemberMetadata>,
-    ) -> Self
+    pub fn pair_target_metadata(mut self, metadata: Option<PairMemberMetadata>) -> Self
     {
         self.pair_target_metadata = metadata;
         self
@@ -363,6 +379,7 @@ impl PartsBuilder
         Parts {
             id,
             name: self.name,
+            is_sole: self.is_sole,
             type_reflection: self.type_reflection,
             data: Box::new(data),
             pair_relation_metadata: self.pair_relation_metadata,
@@ -376,6 +393,7 @@ impl PartsBuilder
         Parts {
             id,
             name: self.name,
+            is_sole: self.is_sole,
             type_reflection: self.type_reflection,
             data,
             pair_relation_metadata: self.pair_relation_metadata,
@@ -390,6 +408,7 @@ impl Default for PartsBuilder
     {
         Self {
             name: "(unspecified)",
+            is_sole: false,
             type_reflection: None,
             pair_relation_metadata: None,
             pair_target_metadata: None,
@@ -404,4 +423,5 @@ pub struct Info
     pub type_reflection: Option<&'static TypeReflection>,
     pub ty_id: TypeId,
     pub name: &'static str,
+    pub is_sole: bool,
 }