Save on draw calls

godot/astream/terrain/details/residental-house10.gltf

@@ -33,47 +33,23 @@
 			"alphaMode":"MASK",
 			"extensions":{
 				"KHR_materials_specular":{
-					"specularColorFactor":[
-						0.474271529955476,
-						0.474271529955476,
-						0.474271529955476
-					]
+					"specularColorTexture":{
+						"index":0
+					}
 				},
 				"KHR_materials_ior":{
 					"ior":1.4500000476837158
 				}
 			},
-			"name":"material_atlas_36953_1",
+			"name":"material_joint_atlas_1",
 			"pbrMetallicRoughness":{
 				"baseColorTexture":{
-					"index":0
+					"index":1
 				},
-				"metallicFactor":0
-			}
-		},
-		{
-			"doubleSided":true,
-			"emissiveFactor":[
-				0.42920592427253723,
-				0.42920592427253723,
-				0.42920592427253723
-			],
-			"extensions":{
-				"KHR_materials_specular":{
-					"specularColorFactor":[
-						1.9512351200761842,
-						1.9512351200761842,
-						1.9512351200761842
-					]
-				},
-				"KHR_materials_ior":{
-					"ior":1.4500000476837158
+				"metallicFactor":0,
+				"metallicRoughnessTexture":{
+					"index":2
 				}
-			},
-			"name":"window",
-			"pbrMetallicRoughness":{
-				"metallicFactor":0.20000000298023224,
-				"roughnessFactor":0.019999999552965164
 			}
 		}
 	],
@@ -103,7 +79,7 @@
 						"TANGENT":7
 					},
 					"indices":8,
-					"material":1
+					"material":0
 				}
 			]
 		}
@@ -112,13 +88,31 @@
 		{
 			"sampler":0,
 			"source":0
+		},
+		{
+			"sampler":0,
+			"source":1
+		},
+		{
+			"sampler":0,
+			"source":2
 		}
 	],
 	"images":[
 		{
 			"mimeType":"image/png",
-			"name":"Atlas_36953",
-			"uri":"textures/Atlas_36953.png"
+			"name":"Image",
+			"uri":"textures/Image.png"
+		},
+		{
+			"mimeType":"image/png",
+			"name":"joint-atlas-1",
+			"uri":"textures/joint-atlas-1.png"
+		},
+		{
+			"mimeType":"image/png",
+			"name":"joint-atlas-1-roughness",
+			"uri":"textures/joint-atlas-1-roughness.png"
 		}
 	],
 	"accessors":[