fix flags loading

engine/items/itemprops/ip_test.go

@@ -195,7 +195,7 @@ func (suite *IpTestSuite) TestMaterialDeserialization() {
     }
 
     teststeel := Material{
-		Name:              "teststeel",
+        Name:              "steel",
         Flags:             metalMaterialFlags,
         Density:           DimensionItemDensity{decimal.NewFromInt(7800)},
         FractureToughness: DimensionFractureToughness{decimal.NewFromInt(30)},
@@ -203,6 +203,7 @@ func (suite *IpTestSuite) TestMaterialDeserialization() {
         BoilingPoint:      DimensionItemNullTemperature{decimal.NullDecimal{decimal.NewFromInt(3200), true}},
     }
 
-	_ = teststeel
+    loadedsteel := mm["steel"]
+    suite.Equalf(teststeel, *loadedsteel, "error: %s")
     _ = mm
 }

engine/items/itemprops/material.go

@@ -32,13 +32,13 @@ type MaterialFlags struct {
     Radiates            bool `json:"radiates"`
 }
 
-type MaterialMap map[string]Material
+type MaterialMap map[string]*Material
 
 type tt map[string]MaterialMap
 
-func NewMaterialMap(path string, logger zerolog.Logger) (*MaterialMap, error) {
+func NewMaterialMap(path string, logger zerolog.Logger) (MaterialMap, error) {
 
-	mm := &MaterialMap{}
+    mm := make(MaterialMap)
     tmp := make(map[string][]interface{})
     flags := make(map[string]*MaterialFlags)
     err := filepath.Walk(path+"/assets/materials",
@@ -93,12 +93,19 @@ func NewMaterialMap(path string, logger zerolog.Logger) (*MaterialMap, error) {
             _ = ttt
             for clause, item2 := range ttt {
 
+                toReplace := item2.(map[string]interface{})["material_flags"]
+
+                if ref, ok := toReplace.(map[string]interface{})["$ref"]; ok {
+                    rfs := strings.Split(ref.(string), "/")
+                    referredFlag := rfs[len(rfs)-1]
+                    item2.(map[string]interface{})["material_flags"] = flags[referredFlag]
+                }
                 bts, err := json.Marshal(item2)
                 if err != nil {
                     return nil, fmt.Errorf("Could not marshal back:%w", err)
                 }
-				flags[clause] = &MaterialFlags{}
-				err = json.Unmarshal(bts, flags[clause])
+                mm[clause] = &Material{}
+                err = json.Unmarshal(bts, mm[clause])
                 if err != nil {
                     return nil, fmt.Errorf("Could not unmarshal to material_flags:%w", err)
                 }