Much stuff wow

Utilities/BiomeGeneration/BiomeData.gd

@@ -0,0 +1,47 @@
+class_name BiomeDataClass
+extends Node
+
+var tree_collection = preload("res://Entities/Tree/Resources/TreeData.tres") as TreeDataCollection
+
+# Calculate spawn probability for each tree type
+func calculate_tree_probabilities(x: int, z: int) -> Dictionary:
+	if Global.biome_data == null:
+		Log.pr("Biome data not initialized. Call generate_environment_maps first.")
+		return {}
+
+	if x > Global.map_data.size() and x <= 0:
+		if z > Global.map_data[x].size() and z <= 0:
+			Log.pr("Coordinates out of bounds: (%d, %d)" % [x, z])
+			return {}
+
+	var moisture = Global.biome_data.moisture.get_pixel(x, z).r
+	var temperature = Global.biome_data.temperature.get_pixel(x, z).r
+	var elevation = Global.biome_data.elevation.get_pixel(x, z).r
+
+	var probabilities = {}
+
+	for tree in tree_collection.trees:
+			# Calculate suitability for each environmental factor
+			var moisture_suit = calculate_suitability(moisture, tree.moisture_range[0], tree.moisture_range[1])
+			var temp_suit = calculate_suitability(temperature, tree.temperature_range[0], tree.temperature_range[1])
+			var elev_suit = calculate_suitability(elevation, tree.elevation_range[0], tree.elevation_range[1])
+			
+			# Combined probability
+			probabilities[tree.tree_name] = {}
+			probabilities[tree.tree_name]['chance'] = moisture_suit * temp_suit * elev_suit
+			probabilities[tree.tree_name]['resource'] = tree
+
+	return probabilities
+
+func calculate_suitability(value: float, min_pref: float, max_pref: float) -> float:
+	if value >= min_pref and value <= max_pref:
+			return 1.0
+	else:
+			var distance_outside = 0.0
+			if value < min_pref:
+					distance_outside = min_pref - value
+			else:
+					distance_outside = value - max_pref
+			
+			# Exponential decay - drops very quickly
+			return max(0.01, exp(-distance_outside * 10.0))