generating number of roads dynamically

Presets/Large City.json

@@ -20,7 +20,6 @@
   "tree_clumpiness": 99,
   "min_road_width": 0.2,
   "max_road_width": 0.6,
-  "buildings_per_road": 5,
   "road_exits": 1,
   "road_curvyness": 45,
   "road_distribution": 70,

Presets/Medium Town.json

@@ -20,7 +20,6 @@
   "tree_clumpiness": 99,
   "min_road_width": 0.2,
   "max_road_width": 0.6,
-  "buildings_per_road": 3,
   "road_exits": 1,
   "road_curvyness": 45,
   "road_distribution": 40,

Presets/Metropolis.json

@@ -20,7 +20,6 @@
   "tree_clumpiness": 99,
   "min_road_width": 0.2,
   "max_road_width": 0.30000000000000004,
-  "buildings_per_road": 6,
   "road_exits": 3,
   "road_curvyness": 45,
   "road_distribution": 70,

Presets/Small City.json

@@ -20,7 +20,6 @@
   "tree_clumpiness": 99,
   "min_road_width": 0.2,
   "max_road_width": 0.6,
-  "buildings_per_road": 5,
   "road_exits": 1,
   "road_curvyness": 45,
   "road_distribution": 70,

Presets/Small Town.json

@@ -20,7 +20,6 @@
   "tree_clumpiness": 99,
   "min_road_width": 0.2,
   "max_road_width": 0.6,
-  "buildings_per_road": 6,
   "road_exits": 1,
   "road_curvyness": 45,
   "road_distribution": 19,

README.md

@@ -64,7 +64,6 @@ All settings below are currently implemented in the UI.
 | **Tree Clumpiness** | Distribution style of trees (spread vs clustered forest). | `0%` to `100%` |
 | **Min Road Width** | Minimum road width as % of average image dimension `((width+height)/2)`. | `0.1%` to `5%` in `0.1%` steps |
 | **Max Road Width** | Maximum road width as % of average image dimension `((width+height)/2)`. | `0.1%` to `5%` in `0.1%` steps |
-| **Buildings Per Road** | Number of buildings represented by one internal road segment (lower = more roads). | `1` to `20` |
 | **Road Exits** | Number of edge-connected exit roads. | `0` to `100` |
 | **Minimum Road Angle** | Minimum allowed angle between roads at a junction. | `0°` to `180°` |
 | **Road Curvyness** | Curviness of generated roads. | `0%` to `100%` |

roads.go

@@ -997,28 +997,19 @@ func estimateRoadTarget(settings *Settings) int {
 	if settings.NumBuildings < 10 {
 		return settings.NumBuildings
 	}
-	divisor := float64(max(settings.BuildingsPerRoad, 1))
 	buildings := float64(max(settings.NumBuildings, 1))
-	baseRoads := buildings / divisor
-	scale := 1.0
-	if buildings > 400 {
-		scale *= 0.96
+	roads := buildings / 5.25
+	if buildings > 80 {
+		roads += math.Pow(buildings-80.0, 0.70) * 0.28
 	}
-	if buildings > 1200 {
-		scale *= 0.92
+	if buildings > 500 {
+		roads += math.Pow((buildings-500.0)/2.2, 0.66) * 0.18
 	}
-	if buildings > 3000 {
-		scale *= 0.88
+	if buildings > 1800 {
+		roads *= 0.95
 	}
-	roads := baseRoads * scale
-	if buildings > 200 {
-		roads += math.Pow((buildings-200.0)/divisor, 0.72) * 0.35
-	}
-	if buildings > 1200 {
-		roads += math.Pow((buildings-1200.0)/(divisor*1.8), 0.68) * 0.22
-	}
-	if buildings > 1000 {
-		roads *= 0.97
+	if buildings > 4000 {
+		roads *= 0.90
 	}
 	result := int(math.Round(roads))
 	if result < 1 {

settings.go

@@ -39,7 +39,6 @@ type Settings struct {
 	// Road settings
 	MinRoadWidth     float64 `json:"min_road_width"`
 	MaxRoadWidth     float64 `json:"max_road_width"`
-	BuildingsPerRoad int     `json:"buildings_per_road"`
 	RoadExits        int     `json:"road_exits"`
 	RoadCurvyness    float64 `json:"road_curvyness"`
 	RoadDistribution float64 `json:"road_distribution"`
@@ -148,7 +147,6 @@ func LoadSettings() (*Settings, error) {
 				RiverEdgeRoughness:    50,
 				MinRoadWidth:          0.7,
 				MaxRoadWidth:          2.7,
-				BuildingsPerRoad:      6,
 				RoadExits:             5,
 				RoadCurvyness:         50,
 				RoadDistribution:      50,
@@ -232,9 +230,6 @@ func normalizeSettings(settings *Settings, rawKeys map[string]json.RawMessage) {
 	if settings.BuildingComplexityRatio == 0 {
 		settings.BuildingComplexityRatio = 50
 	}
-	if settings.BuildingsPerRoad == 0 {
-		settings.BuildingsPerRoad = 6
-	}
 	if _, ok := rawKeys["min_wall_width"]; !ok {
 		settings.MinWallWidth = 1.5
 	}

ui.go

@@ -653,19 +653,6 @@ func main() {
 		markPresetDirty()
 	}))
 
-	buildingsPerRoadSlider := newNumericInputSlider(1, 20, float64(settings.BuildingsPerRoad), "%.0f", "Buildings Per Road")
-	buildingsPerRoadSlider.entry.OnChanged = func(s string) {
-		buildingsPerRoadSlider.validate(s, func(hasError bool) {
-			errorStates["buildingsPerRoad"] = hasError
-			updateGenerateBtnState()
-		})
-	}
-	buildingsPerRoadSlider.value.AddListener(binding.NewDataListener(func() {
-		val, _ := buildingsPerRoadSlider.value.Get()
-		settings.BuildingsPerRoad = int(val)
-		markPresetDirty()
-	}))
-
 	roadExitsSlider := newNumericInputSlider(0, 100, float64(settings.RoadExits), "%.0f", "Road Exits")
 	roadExitsSlider.entry.OnChanged = func(s string) {
 		roadExitsSlider.validate(s, func(hasError bool) {
@@ -1269,7 +1256,6 @@ func main() {
 	roadsTab := container.NewTabItem("Roads", container.NewVBox(
 		minRoadWidthSlider,
 		maxRoadWidthSlider,
-		buildingsPerRoadSlider,
 		roadExitsSlider,
 		minRoadAngleSlider,
 		roadCurvynessSlider,
@@ -1584,7 +1570,6 @@ func main() {
 
 		minRoadWidthSlider.value.Set(settings.MinRoadWidth)
 		maxRoadWidthSlider.value.Set(settings.MaxRoadWidth)
-		buildingsPerRoadSlider.value.Set(float64(settings.BuildingsPerRoad))
 		roadExitsSlider.value.Set(float64(settings.RoadExits))
 		roadCurvynessSlider.value.Set(settings.RoadCurvyness)
 		roadDistributionSlider.value.Set(settings.RoadDistribution)