Quality of life in procedural town creation improved

assets/blender/astream/terrain-lot1.gltf

@@ -0,0 +1,153 @@
+{
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+		"generator":"Khronos glTF Blender I/O v3.6.28",
+		"version":"2.0"
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+			"name":"terrain-parking-lot-col"
+		}
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+}

godot/astream/road_lines.json

@@ -10018,8 +10018,8 @@
 					"lot_dir_offset": 37.336308,
 					"lot_y_offset": 0,
 					"lot_y_rotation": -90,
-					"lot_type": "small1",
-					"lot_buildings": ""
+					"lot_type": "small0",
+					"lot_buildings": ":0, 0, 0:0"
 				},
 				"right": {
 					"transit_stop_count": 1,
@@ -10038,8 +10038,8 @@
 					"lot_dir_offset": 37.336308,
 					"lot_y_offset": 0,
 					"lot_y_rotation": 90,
-					"lot_type": "small1",
-					"lot_buildings": ""
+					"lot_type": "small0",
+					"lot_buildings": ":0, 0, 0:0"
 				}
 			},
 			{
@@ -10056,11 +10056,11 @@
 					"sideroad_y_rotation": 0,
 					"sideroad_type": "Null",
 					"lot": 1,
-					"lot_offset": 18.799999,
-					"lot_dir_offset": -8,
+					"lot_offset": 27,
+					"lot_dir_offset": 0.5,
 					"lot_y_offset": 0,
-					"lot_y_rotation": -90,
-					"lot_type": "small1",
+					"lot_y_rotation": 0,
+					"lot_type": "small0",
 					"lot_buildings": ":0, 0, 0:0"
 				},
 				"right": {
@@ -10077,10 +10077,10 @@
 					"sideroad_type": "Null",
 					"lot": 1,
 					"lot_offset": 35,
-					"lot_dir_offset": -10,
+					"lot_dir_offset": 0,
 					"lot_y_offset": 0.1,
 					"lot_y_rotation": 90,
-					"lot_type": "small1",
+					"lot_type": "small0",
 					"lot_buildings": ":0, 0, 0:0"
 				}
 			},
@@ -10691,7 +10691,7 @@
 					"lot_y_offset": 0,
 					"lot_y_rotation": -90,
 					"lot_type": "",
-					"lot_buildings": ""
+					"lot_buildings": ":0, 0, 0:0"
 				},
 				"right": {
 					"transit_stop_count": 0,
@@ -10711,7 +10711,7 @@
 					"lot_y_offset": 0,
 					"lot_y_rotation": 90,
 					"lot_type": "",
-					"lot_buildings": ""
+					"lot_buildings": ":0, 0, 0:0"
 				}
 			},
 			{

godot/astream/terrain/details/lot-large1.gltf

@@ -0,0 +1,153 @@
+{
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+		"version":"2.0"
+	},
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+			"uri":"lot-large1.bin"
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+}

godot/astream/terrain/details/lot-large1.tscn

@@ -0,0 +1,5 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://astream/terrain/details/lot-large1.gltf" type="PackedScene" id=1]
+
+[node name="lot-large1" instance=ExtResource( 1 )]

godot/astream/terrain/details/lot-large2.gltf

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+{
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+		"generator":"Khronos glTF Blender I/O v3.6.28",
+		"version":"2.0"
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+			"uri":"lot-large2.bin"
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+}

godot/astream/terrain/details/lot-large2.tscn

@@ -0,0 +1,5 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://astream/terrain/details/lot-large2.gltf" type="PackedScene" id=1]
+
+[node name="lot-large2" instance=ExtResource( 1 )]

godot/astream/terrain/details/lot-small0.gltf

@@ -0,0 +1,153 @@
+{
+	"asset":{
+		"generator":"Khronos glTF Blender I/O v3.6.28",
+		"version":"2.0"
+	},
+	"extensionsUsed":[
+		"KHR_materials_specular",
+		"KHR_materials_ior"
+	],
+	"scene":0,
+	"scenes":[
+		{
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+			"name":"terrain-col"
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+	"materials":[
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+			"pbrMetallicRoughness":{
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+		}
+	],
+	"meshes":[
+		{
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+						"NORMAL":1,
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+			"uri":"lot-small0.bin"
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godot/astream/terrain/details/lot-small0.tscn

@@ -0,0 +1,5 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://astream/terrain/details/lot-small0.gltf" type="PackedScene" id=1]
+
+[node name="lot-small0" instance=ExtResource( 1 )]

godot/astream/terrain/details/lot-small1.gltf

@@ -80,61 +80,61 @@
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@@ -146,7 +146,7 @@
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godot/astream/terrain/details/lot-small1.tscn

@@ -2,4 +2,6 @@
 
 [ext_resource path="res://astream/terrain/details/lot-small1.gltf" type="PackedScene" id=1]
 
-[node name="lot-small1" instance=ExtResource( 1 )]
+[node name="terrain" type="Spatial"]
+
+[node name="lot-small1" parent="." instance=ExtResource( 1 )]

godot/astream/terrain/details/lot-small2.gltf

@@ -0,0 +1,153 @@
+{
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+	"extensionsUsed":[
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godot/astream/terrain/details/lot-small2.tscn

@@ -0,0 +1,5 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://astream/terrain/details/lot-small2.gltf" type="PackedScene" id=1]
+
+[node name="lot-small2" instance=ExtResource( 1 )]

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

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+{
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+		"version":"2.0"
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+			"uri":"residental-garage.bin"
+		}
+	]
+}

godot/astream/terrain/details/residental-garage1.tscn

@@ -0,0 +1,54 @@
+[gd_scene load_steps=6 format=2]
+
+[ext_resource path="res://astream/terrain/details/residental-garage.gltf" type="PackedScene" id=1]
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+[sub_resource type="CubeMesh" id=1]
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+[sub_resource type="SpatialMaterial" id=2]
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+[sub_resource type="CubeMesh" id=3]
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+[sub_resource type="SpatialMaterial" id=4]
+albedo_color = Color( 0.980392, 0.639216, 0.0705882, 1 )
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+[node name="garage" type="Spatial"]
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+[node name="LOD" type="LOD" parent="."]
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+lod_range = 35.0
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+[node name="residental-garage" parent="LOD/MergeGroup" instance=ExtResource( 1 )]
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+[node name="MeshInstance" type="MeshInstance" parent="LOD/MergeGroup"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0.427596, 6.49411, 0 )
+mesh = SubResource( 1 )
+material/0 = SubResource( 2 )
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+[node name="MergeGroup1" type="MergeGroup" parent="LOD"]
+visible = false
+lod_range = 20.0
+
+[node name="residental-garage" parent="LOD/MergeGroup1" instance=ExtResource( 1 )]
+
+[node name="MeshInstance" type="MeshInstance" parent="LOD/MergeGroup1"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0.427596, 6.49411, 0 )
+mesh = SubResource( 1 )
+material/0 = SubResource( 2 )
+
+[node name="MergeGroup2" type="MergeGroup" parent="LOD"]
+visible = false
+
+[node name="MeshInstance" type="MeshInstance" parent="LOD/MergeGroup2"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 3, 0 )
+mesh = SubResource( 3 )
+skeleton = NodePath("../../MergeGroup2")
+material/0 = SubResource( 4 )
+
+[node name="MeshInstance2" type="MeshInstance" parent="LOD/MergeGroup2"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0.427596, 6.49411, 0 )
+mesh = SubResource( 1 )
+material/0 = SubResource( 2 )

godot/astream/terrain/details/residental-hut1.gltf

@@ -0,0 +1,237 @@
+{
+	"asset":{
+		"generator":"Khronos glTF Blender I/O v3.6.28",
+		"version":"2.0"
+	},
+	"extensionsUsed":[
+		"KHR_materials_specular",
+		"KHR_materials_ior"
+	],
+	"scene":0,
+	"scenes":[
+		{
+			"name":"Scene",
+			"nodes":[
+				1
+			]
+		}
+	],
+	"nodes":[
+		{
+			"mesh":0,
+			"name":"flat3-1-noimp",
+			"translation":[
+				0,
+				1,
+				0
+			]
+		},
+		{
+			"children":[
+				0
+			],
+			"mesh":1,
+			"name":"house3-col"
+		}
+	],
+	"materials":[
+		{
+			"alphaCutoff":0.5,
+			"alphaMode":"MASK",
+			"extensions":{
+				"KHR_materials_specular":{
+					"specularColorFactor":[
+						0.474271529955476,
+						0.474271529955476,
+						0.474271529955476
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+				"KHR_materials_ior":{
+					"ior":1.4500000476837158
+				}
+			},
+			"name":"material_atlas_73934_1",
+			"pbrMetallicRoughness":{
+				"baseColorTexture":{
+					"index":0
+				},
+				"metallicFactor":0
+			}
+		}
+	],
+	"meshes":[
+		{
+			"name":"Plane.003",
+			"primitives":[
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+						"NORMAL":1,
+						"TEXCOORD_0":2
+					},
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+					"material":0
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+		},
+		{
+			"name":"Cube.003",
+			"primitives":[
+				{
+					"attributes":{
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+						"NORMAL":5,
+						"TEXCOORD_0":6
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+	],
+	"textures":[
+		{
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+	"images":[
+		{
+			"mimeType":"image/png",
+			"name":"Atlas_73934",
+			"uri":"Atlas_73934.png"
+		}
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+		{
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+			"uri":"residental-hut1.bin"
+		}
+	]
+}

godot/astream/terrain/details/residental-hut1.tscn

@@ -0,0 +1,74 @@
+[gd_scene load_steps=7 format=2]
+
+[ext_resource path="res://astream/terrain/details/residental-hut1.gltf" type="PackedScene" id=1]
+[ext_resource path="res://astream/terrain/details/parts/door1-portal.tscn" type="PackedScene" id=2]
+[ext_resource path="res://astream/terrain/details/parts/residental-house-stair.tscn" type="PackedScene" id=3]
+
+[sub_resource type="BoxShape" id=1]
+extents = Vector3( 0.7, 1, 0.6 )
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+[sub_resource type="CubeMesh" id=2]
+size = Vector3( 14, 7, 16 )
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+[sub_resource type="SpatialMaterial" id=3]
+albedo_color = Color( 0.937255, 0.615686, 0.0627451, 1 )
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+[node name="residental-hut1" type="Spatial"]
+
+[node name="LOD" type="LOD" parent="."]
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+[node name="MergeGroup" type="MergeGroup" parent="LOD"]
+lod_range = 40.0
+
+[node name="residental-hut1" parent="LOD/MergeGroup" instance=ExtResource( 1 )]
+
+[node name="door1-portal" parent="LOD/MergeGroup" instance=ExtResource( 2 )]
+transform = Transform( -1, 0, -8.74228e-08, 0, 1, 0, 8.74228e-08, 0, -1, 1, 1, -7.48604 )
+skeleton = NodePath("../../..")
+
+[node name="enter_destination" type="Spatial" parent="LOD/MergeGroup/door1-portal" groups=["smart_object"]]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0.905, 0, 0.65 )
+
+[node name="actions" type="Node" parent="LOD/MergeGroup/door1-portal/enter_destination"]
+
+[node name="EnterDestination" type="Node" parent="LOD/MergeGroup/door1-portal/enter_destination/actions"]
+
+[node name="Area" type="Area" parent="LOD/MergeGroup/door1-portal/enter_destination"]
+
+[node name="CollisionShape" type="CollisionShape" parent="LOD/MergeGroup/door1-portal/enter_destination/Area"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.1, 0 )
+shape = SubResource( 1 )
+
+[node name="residental-house-stair" parent="LOD/MergeGroup" instance=ExtResource( 3 )]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -7.97294 )
+
+[node name="MergeGroup2" type="MergeGroup" parent="LOD"]
+visible = false
+lod_range = 20.0
+
+[node name="residental-hut1" parent="LOD/MergeGroup2" instance=ExtResource( 1 )]
+
+[node name="door1-portal" parent="LOD/MergeGroup2" instance=ExtResource( 2 )]
+transform = Transform( -1, 0, -8.74228e-08, 0, 1, 0, 8.74228e-08, 0, -1, 1, 1, -7.48604 )
+skeleton = NodePath("../../..")
+
+[node name="enter_destination" type="Spatial" parent="LOD/MergeGroup2/door1-portal" groups=["smart_object"]]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0.905, 0, 0.65 )
+
+[node name="actions" type="Node" parent="LOD/MergeGroup2/door1-portal/enter_destination"]
+
+[node name="EnterDestination" type="Node" parent="LOD/MergeGroup2/door1-portal/enter_destination/actions"]
+
+[node name="Area" type="Area" parent="LOD/MergeGroup2/door1-portal/enter_destination"]
+
+[node name="CollisionShape" type="CollisionShape" parent="LOD/MergeGroup2/door1-portal/enter_destination/Area"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.1, 0 )
+shape = SubResource( 1 )
+
+[node name="MergeGroup3" type="MergeGroup" parent="LOD"]
+visible = false
+
+[node name="MeshInstance" type="MeshInstance" parent="LOD/MergeGroup3"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 3.5, 0 )
+mesh = SubResource( 2 )
+material/0 = SubResource( 3 )

godot/config/stream.conf

@@ -37,7 +37,13 @@ building_data = {
 	"foundation30": "res://astream/terrain/details/foundation30.tscn",
 	"foundation60": "res://astream/terrain/details/foundation60.tscn",
 	"bus-stop": "res://astream/terrain/details/bus-stop.tscn",
+	"lot-small0": "res://astream/terrain/details/lot-small0.tscn",
 	"lot-small1": "res://astream/terrain/details/lot-small1.tscn",
+	"lot-small2": "res://astream/terrain/details/lot-small2.tscn",
+	"lot-large1": "res://astream/terrain/details/lot-large1.tscn",
+	"lot-large2": "res://astream/terrain/details/lot-large2.tscn",
+	"residental-garage1": "res://astream/terrain/details/residental-garage1.tscn",
+	"residental-hut1": "res://astream/terrain/details/residental-hut1.tscn",
 	"sideroad-short1": "res://astream/terrain/details/sideroad-short1.tscn",
 }
 buildings_path = "res://astream/buildings.json"
@@ -68,3 +74,53 @@ lot_y_rotation = -90.0
 lot_offset = 33.8
 lot_y_rotation = 90.0
 
+[lines/edges/lot-small0/left]
+lot_offset = 26.5
+lot_y_rotation = 0
+lot_y_offset = 0
+
+[lines/edges/lot-small0/right]
+lot_offset = 26.5
+lot_y_rotation = 180
+lot_y_offset = 0
+
+[lines/edges/lot-small1/left]
+lot_offset = 36
+lot_y_rotation = 0
+lot_y_offset = 0
+
+[lines/edges/lot-small1/right]
+lot_offset = 36
+lot_y_rotation = 180
+lot_y_offset = 0
+
+[lines/edges/lot-small2/left]
+lot_offset = 96
+lot_y_rotation = 0
+lot_y_offset = 0
+
+[lines/edges/lot-small2/right]
+lot_offset = 96
+lot_y_rotation = 180
+lot_y_offset = 0
+
+[lines/edges/lot-large1/left]
+lot_offset = 96
+lot_y_rotation = 0
+lot_y_offset = 0
+
+[lines/edges/lot-large1/right]
+lot_offset = 96
+lot_y_rotation = 180
+lot_y_offset = 0
+
+[lines/edges/lot-large2/left]
+lot_offset = 196
+lot_y_rotation = 0
+lot_y_offset = 0
+
+[lines/edges/lot-large2/right]
+lot_offset = 196
+lot_y_rotation = 180
+lot_y_offset = 0
+

src/modules/stream/road_lines_editor.cpp

@@ -1091,6 +1091,112 @@ class EdgeEditorHandler {
 			result = 1;
 		return result;
 	}
+	bool pack_buildings(
+		const AABB &lot_aabb,
+		std::vector<struct RoadLinesData::road_edge_side::buildings>
+			&buildings,
+		float gap)
+	{
+		int i;
+		Rect2 rect_lot(lot_aabb.position.x, lot_aabb.position.z,
+			       lot_aabb.size.x, lot_aabb.size.z);
+		std::vector<Rect2> inputs, outputs;
+		List<Rect2> parts;
+		List<Rect2> parts_next;
+		rect_lot.grow_by(-4);
+		print_line("lot rect: " + (rect_lot.operator String()));
+		parts.push_back(rect_lot);
+		Vector<int> bad_indices;
+		for (i = 0; i < (int)buildings.size(); i++) {
+			if (buildings[i].id.length() == 0) {
+				if (bad_indices.find(i) < 0)
+					bad_indices.push_back(i);
+				continue;
+			}
+			const AABB &aabb_building =
+				BuildingsData::get_singleton()
+					->building_aabbs[buildings[i].id];
+			Transform building_rot(
+				Basis().rotated(
+					Vector3(0, 1, 0),
+					Math::deg2rad(buildings[i].y_rotation)),
+				Vector3());
+			const AABB &aabb_building_rot =
+				building_rot.xform(aabb_building);
+			Rect2 input(aabb_building_rot.position.x,
+				    aabb_building_rot.position.z,
+				    aabb_building_rot.size.x,
+				    aabb_building_rot.size.z);
+			if (input.size.x < 0.1f) {
+				if (bad_indices.find(i) < 0)
+					bad_indices.push_back(i);
+				continue;
+			}
+			print_line("id: " + buildings[i].id +
+				   " input: " + (input.operator String()));
+			input.grow_by(gap);
+			inputs.push_back(input);
+		}
+		bad_indices.invert();
+		for (i = 0; i < (int)bad_indices.size(); i++)
+			buildings.erase(buildings.begin() + bad_indices[i]);
+		if (buildings.size() < 2)
+			return false;
+		for (i = 0; i < (int)inputs.size(); i++) {
+			bool found = false;
+			List<Rect2>::Element *e = parts.front();
+			while (e) {
+				Rect2 part = e->get();
+				if (part.size.x >= inputs[i].size.x &&
+				    part.size.y >= inputs[i].size.y) {
+					found = true;
+					Rect2 output(part.position.x,
+						     part.position.y,
+						     inputs[i].size.x,
+						     inputs[i].size.y);
+					outputs.push_back(output);
+					Rect2 part1(part.position.x,
+						    part.position.y +
+							    inputs[i].size.y,
+						    inputs[i].size.x,
+						    part.size.y -
+							    inputs[i].size.y);
+					Rect2 part2(part.position.x +
+							    inputs[i].size.x,
+						    part.position.y,
+						    part.size.x -
+							    inputs[i].size.x,
+						    part.size.y);
+					parts_next.push_back(part1);
+					parts_next.push_back(part2);
+					break;
+				} else
+					parts_next.push_back(part);
+				e = e->next();
+			}
+			if (!found) {
+				print_line("can't fit " + itos(i));
+				break;
+			}
+			parts = parts_next;
+		}
+		if (outputs.size() < buildings.size())
+			return false;
+		Rect2 result;
+		for (i = 0; i < (int)outputs.size(); i++) {
+			print_line("output: " + itos(i) +
+				   (outputs[i].operator String()));
+			result = result.merge(outputs[i]);
+		}
+		for (i = 0; i < (int)outputs.size(); i++) {
+			/* FIXME: why ? */
+			Vector2 center =
+				outputs[i].get_center() - result.get_center();
+			buildings[i].offsets.x = center.x;
+			buildings[i].offsets.z = center.y;
+		}
+		return true;
+	}
 	void event_handler(const String &event, const Vector<Variant> &args)
 	{
 		if (event == "road_lines_edge_editor::edit") {
@@ -1133,6 +1239,9 @@ class EdgeEditorHandler {
 			case 200:
 				pname = "clear";
 				break;
+			case 201:
+				pname = "clear-buildings";
+				break;
 			default:
 				pname = menu->get_item_metadata(item_index);
 				break;
@@ -1150,6 +1259,10 @@ class EdgeEditorHandler {
 						get_edge_conf<float>(
 							pname, "left",
 							"lot_y_rotation");
+					rl.edges[index].left.lot_offset =
+						get_edge_conf<float>(
+							pname, "left",
+							"lot_offset");
 					float dir_offt =
 						rl.points[index + 1]
 							.origin.distance_to(
@@ -1159,6 +1272,32 @@ class EdgeEditorHandler {
 					rl.edges[index].left.lot_dir_offset =
 						dir_offt;
 				}
+			} else if (pname.begins_with("residental-")) {
+				struct RoadLinesData::road_edge_side::buildings
+					b;
+				b.id = pname;
+				b.offsets = Vector3();
+				b.y_rotation = 0.0f;
+
+				rl.edges[index].left.buildings.push_back(b);
+				if (rl.edges[index].left.lot > 0) {
+					String lot_id =
+						rl.edges[index].left.lot_type;
+					if (rl.edges[index]
+						    .left.buildings.size() >
+					    1) {
+						const AABB &aabb_lot =
+							BuildingsData::get_singleton()
+								->building_aabbs
+									["lot-" +
+									 lot_id];
+						pack_buildings(
+							aabb_lot,
+							rl.edges[index]
+								.left.buildings,
+							2.0f);
+					}
+				}
 			} else if (pname == "clear") {
 				rl.edges[index].left.lot_type = "";
 				rl.edges[index].left.lot = 0;
@@ -1175,6 +1314,9 @@ class EdgeEditorHandler {
 			case 200:
 				pname = "clear";
 				break;
+			case 201:
+				pname = "clear-buildings";
+				break;
 			default:
 				pname = menu->get_item_metadata(item_index);
 				break;
@@ -1195,6 +1337,10 @@ class EdgeEditorHandler {
 						get_edge_conf<float>(
 							pname, "right",
 							"lot_y_rotation");
+					rl.edges[index].right.lot_offset =
+						get_edge_conf<float>(
+							pname, "right",
+							"lot_offset");
 					float dir_offt =
 						rl.points[index + 1]
 							.origin.distance_to(
@@ -1204,6 +1350,33 @@ class EdgeEditorHandler {
 					rl.edges[index].right.lot_dir_offset =
 						dir_offt;
 				}
+			} else if (pname.begins_with("residental-") ||
+				   pname.begins_with("business-")) {
+				struct RoadLinesData::road_edge_side::buildings
+					b;
+				b.id = pname;
+				b.offsets = Vector3();
+				b.y_rotation = 0.0f;
+
+				rl.edges[index].right.buildings.push_back(b);
+				if (rl.edges[index].right.lot > 0) {
+					String lot_id =
+						rl.edges[index].right.lot_type;
+					if (rl.edges[index]
+						    .right.buildings.size() >
+					    1) {
+						const AABB &aabb_lot =
+							BuildingsData::get_singleton()
+								->building_aabbs
+									["lot-" +
+									 lot_id];
+						pack_buildings(
+							aabb_lot,
+							rl.edges[index]
+								.right.buildings,
+							2.0f);
+					}
+				}
 			} else if (pname == "clear") {
 				rl.edges[index].right.lot_type = "";
 				rl.edges[index].right.lot = 0;
@@ -1253,74 +1426,124 @@ public:
 		v->call_deferred("add_child", sep);
 		v->call_deferred("add_child", h2);
 		side_handler(v, right, "right");
-		MenuButton *mb = memnew(MenuButton);
-		v->call_deferred("add_child", mb);
-		mb->set_text("Action...");
-		MenuButton *mb_left = memnew(MenuButton);
-		v->call_deferred("add_child", mb_left);
-		mb_left->set_text("Select left lot...");
-		MenuButton *mb_right = memnew(MenuButton);
-		mb_right->set_text("Select right lot...");
-		v->call_deferred("add_child", mb_right);
-		Error err = stream_conf.load("res://config/stream.conf");
-		assert(err == OK);
+		struct menu_button_config {
+			String caption;
+			std::vector<std::pair<String, int> > *menu_items;
+			String filter;
+			String msg;
+			String event;
+		};
 		std::vector<std::pair<String, int> > menu_items = {
 			{ "Move lots starting from current edge to next edges",
 			  100 },
 		};
 		std::vector<std::pair<String, int> > menu_items_leftright = {
 			{ "Clear current lot and building(s)", 200 },
+			{ "Clear current building(s)", 201 },
 		};
-
-		for (i = 0; i < (int)menu_items.size(); i++)
-			mb->get_popup()->add_item(menu_items[i].first,
-						  menu_items[i].second);
-		for (i = 0; i < (int)menu_items_leftright.size(); i++) {
-			mb_left->get_popup()->add_item(
-				menu_items_leftright[i].first,
-				menu_items_leftright[i].second);
-			mb_right->get_popup()->add_item(
-				menu_items_leftright[i].first,
-				menu_items_leftright[i].second);
-		}
+		int item_id = 1000;
+		struct menu_button_config buttons[] = {
+			{
+				.caption = "Action...",
+				.menu_items = &menu_items,
+				.filter = "",
+				.event = event_prefix + "::menu",
+			},
+			{
+				.caption = "Select left lot...",
+				.menu_items = &menu_items_leftright,
+				.filter = "lot-",
+				.msg = "Create lot ",
+				.event = event_prefix + "::menu::left",
+			},
+			{
+				.caption = "Add left house...",
+				.menu_items = nullptr,
+				.filter = "residental-",
+				.msg = "Add house ",
+				.event = event_prefix + "::menu::left",
+			},
+			{
+				.caption = "Add left business...",
+				.menu_items = nullptr,
+				.filter = "business-",
+				.msg = "Add business ",
+				.event = event_prefix + "::menu::left",
+			},
+			{
+				.caption = "Select right lot...",
+				.menu_items = &menu_items_leftright,
+				.filter = "lot-",
+				.msg = "Create lot ",
+				.event = event_prefix + "::menu::right",
+			},
+			{
+				.caption = "Add right house...",
+				.menu_items = nullptr,
+				.filter = "residental-",
+				.msg = "Add house ",
+				.event = event_prefix + "::menu::right",
+			},
+			{
+				.caption = "Add right business...",
+				.menu_items = nullptr,
+				.filter = "business-",
+				.msg = "Add business ",
+				.event = event_prefix + "::menu::right",
+			},
+		};
+		Error err = stream_conf.load("res://config/stream.conf");
+		assert(err == OK);
 		Dictionary bdata =
 			stream_conf.get_value("buildings", "building_data");
-		int item_id = 1000;
-		List<Variant> building_list;
 		List<Variant>::Element *el;
+		for (i = 0; i < (int)sizeof(buttons) / (int)sizeof(buttons[0]);
+		     i++) {
+			int j;
+			MenuButton *mb = memnew(MenuButton);
+			v->call_deferred("add_child", mb);
+			mb->set_text(buttons[i].caption);
+			if (buttons[i].menu_items) {
+				for (j = 0;
+				     j < (int)buttons[i].menu_items->size();
+				     j++)
+					mb->get_popup()->add_item(
+						buttons[i]
+							.menu_items->data()[j]
+							.first,
+						buttons[i]
+							.menu_items->data()[j]
+							.second);
+			}
+			if (buttons[i].filter.length() > 0) {
+				List<Variant> building_list;
 				bdata.get_key_list(&building_list);
 				el = building_list.front();
 				while (el) {
 					String pname = el->get();
-			String msg;
-			if (pname.begins_with("lot-"))
-				msg = "Create lot: " + pname;
-			else if (pname.begins_with("residental-"))
-				msg = "Add house: " + pname;
-			if (msg.length() > 0 && pname.begins_with("lot-")) {
-				std::vector<PopupMenu *> menus = {
-					mb_left->get_popup(),
-					mb_right->get_popup()
-				};
-				for (i = 0; i < (int)menus.size(); i++) {
-					menus[i]->add_item(msg, item_id);
+					if (pname.begins_with(
+						    buttons[i].filter)) {
+						String message =
+							buttons[i].msg + " " +
+							pname;
+						mb->get_popup()->add_item(
+							message, item_id);
 						int item_index =
-						menus[i]->get_item_index(
+							mb->get_popup()
+								->get_item_index(
 									item_id);
-					menus[i]->set_item_metadata(item_index,
+						mb->get_popup()
+							->set_item_metadata(
+								item_index,
 								pname);
 						item_id++;
 					}
-			}
 					el = el->next();
 				}
+			}
 			menu_handlers.push_back(memnew(PopupMenuSelectHandler(
-			mb->get_popup(), event_prefix + "::menu")));
-		menu_handlers.push_back(memnew(PopupMenuSelectHandler(
-			mb_left->get_popup(), event_prefix + "::menu::left")));
-		menu_handlers.push_back(memnew(PopupMenuSelectHandler(
-			mb_right->get_popup(),
-			event_prefix + "::menu::right")));
+				mb->get_popup(), buttons[i].event)));
+		}
 		EditorEvent::get_singleton()->event.add_listener(
 			this, &EdgeEditorHandler::event_handler);
 	}