Add Recipemanager that loads recipes from YAML
This commit is contained in:
JonShard
@@ -0,0 +1,206 @@
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class_name RecipeManager
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extends Node
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static var _recipes: Dictionary = {}
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static var _combining_map: Dictionary = {}
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static var _scene_paths: Dictionary = {}
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static var _loaded: bool = false
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static func load_recipes() -> void:
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if _loaded:
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return
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var recipe_path := "res://recipes.yaml"
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if not FileAccess.file_exists(recipe_path):
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push_error("RecipeManager: recipes.yaml was not found at %s" % recipe_path)
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return
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var yaml_available := ClassDB.class_exists("YAML")
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if yaml_available:
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var result = ClassDB.class_call_static("YAML", "load_file", recipe_path)
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if result != null and not result.has_error():
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var data = result.get_data()
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if typeof(data) == TYPE_DICTIONARY:
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_recipes = data
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_build_scene_paths()
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_build_combining_map()
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_loaded = true
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return
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push_warning("RecipeManager: YAML addon parsed recipes.yaml but returned an unsupported structure; falling back to built-in parser")
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else:
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push_warning("RecipeManager: YAML addon failed to read %s; falling back to built-in parser: %s" % [recipe_path, result.get_error() if result != null else "unknown error"])
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var fallback_data = _load_recipes_with_fallback_parser(recipe_path)
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if typeof(fallback_data) != TYPE_DICTIONARY:
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push_error("RecipeManager: failed to parse recipes.yaml with both YAML addon and built-in fallback")
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return
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_recipes = fallback_data
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_build_scene_paths()
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_build_combining_map()
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_loaded = true
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static func get_combination(first_id: StringName, second_id: StringName) -> PackedScene:
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load_recipes()
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var result_id = _combining_map.get(_make_pair_key(first_id, second_id))
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if result_id == null:
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return null
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return get_item_scene(result_id)
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static func get_item_scene(item_id: StringName) -> PackedScene:
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load_recipes()
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var scene_path = _scene_paths.get(str(item_id), "")
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if typeof(scene_path) != TYPE_STRING or scene_path.is_empty():
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push_error("RecipeManager: no scene mapping found for item id '%s'" % item_id)
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return null
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var scene = ResourceLoader.load(scene_path)
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if not scene:
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push_error("RecipeManager: failed to load scene '%s' for item '%s'" % [scene_path, item_id])
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return null
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return scene as PackedScene
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static func print_all_recipes() -> void:
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load_recipes()
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if not _loaded:
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print("RecipeManager: could not load recipes.yaml; no recipes printed.")
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return
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print("RecipeManager: Loaded recipes")
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var combining = _recipes.get("combining", {})
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if typeof(combining) != TYPE_DICTIONARY:
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print("RecipeManager: combining recipes are not available in recipes.yaml")
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return
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if combining.is_empty():
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print("RecipeManager: no combining recipes found")
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return
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for result_id in combining.keys():
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var recipe_entries = _get_recipe_entries(combining[result_id])
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if recipe_entries.is_empty():
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print("RecipeManager: invalid combining recipe for '%s'" % result_id)
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continue
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for recipe in recipe_entries:
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if typeof(recipe) == TYPE_ARRAY and recipe.size() == 2:
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var first = str(recipe[0])
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var second = str(recipe[1])
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print("%s + %s -> %s" % [first, second, result_id])
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else:
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print("RecipeManager: invalid combining recipe for '%s'" % result_id)
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static func _load_recipes_with_fallback_parser(recipe_path: String) -> Dictionary:
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var file := FileAccess.open(recipe_path, FileAccess.READ)
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if file == null:
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push_error("RecipeManager: could not open %s: %s" % [recipe_path, FileAccess.get_open_error()])
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return {}
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var lines := file.get_as_text().split("\n")
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var result := {
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"items": {},
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"combining": {}
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}
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var current_section := ""
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var current_result_id := ""
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var current_item_id := ""
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var current_item_def: Dictionary = {}
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for line in lines:
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var trimmed := line.strip_edges()
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if trimmed.is_empty() or trimmed.begins_with("#"):
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continue
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var indent := line.length() - line.lstrip(" \t").length()
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if indent == 0:
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current_section = ""
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current_result_id = ""
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current_item_id = ""
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if trimmed == "items:":
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current_section = "items"
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elif trimmed == "combining:":
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current_section = "combining"
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continue
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if current_section == "items":
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if indent == 2 and trimmed.ends_with(":"):
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current_item_id = trimmed.trim_suffix(":")
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current_item_def = {}
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result["items"][current_item_id] = current_item_def
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continue
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if indent >= 4 and not current_item_id.is_empty():
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var parts := trimmed.split(":", true, 1)
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if parts.size() == 2:
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var key := parts[0].strip_edges()
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var value := parts[1].strip_edges()
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current_item_def[key] = value
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continue
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if current_section == "combining":
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if indent == 2 and trimmed.ends_with(":"):
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current_result_id = trimmed.trim_suffix(":")
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result["combining"][current_result_id] = []
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continue
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if trimmed.begins_with("- ") and not current_result_id.is_empty():
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var item_text := trimmed.substr(2).strip_edges()
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if item_text.begins_with("[") and item_text.ends_with("]"):
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var inner := item_text.substr(1, item_text.length() - 2).strip_edges()
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var parts := inner.split(",", false)
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var recipe := []
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for part in parts:
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recipe.append(part.strip_edges())
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result["combining"][current_result_id].append(recipe)
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else:
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result["combining"][current_result_id].append([item_text])
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return result
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static func _build_scene_paths() -> void:
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_scene_paths.clear()
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var items = _recipes.get("items", {})
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if typeof(items) != TYPE_DICTIONARY:
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return
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for item_id in items.keys():
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var item_def = items[item_id]
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if typeof(item_def) != TYPE_DICTIONARY:
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continue
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var scene_path = item_def.get("scene", "")
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if typeof(scene_path) == TYPE_STRING and not scene_path.is_empty():
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_scene_paths[str(item_id)] = scene_path
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static func _get_recipe_entries(recipe_value: Variant) -> Array:
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var recipes: Array = []
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if typeof(recipe_value) != TYPE_ARRAY:
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return recipes
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if recipe_value.is_empty():
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return recipes
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if typeof(recipe_value[0]) == TYPE_ARRAY:
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for recipe in recipe_value:
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if typeof(recipe) == TYPE_ARRAY and recipe.size() == 2:
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recipes.append(recipe)
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else:
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if recipe_value.size() == 2:
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recipes.append(recipe_value)
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return recipes
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static func _build_combining_map() -> void:
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_combining_map.clear()
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var combining = _recipes.get("combining", {})
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for result_id in combining.keys():
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var recipe_entries = _get_recipe_entries(combining[result_id])
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if recipe_entries.is_empty():
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push_error("RecipeManager: combining recipe '%s' must contain at least one valid recipe" % result_id)
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continue
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for recipe in recipe_entries:
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var first = StringName(recipe[0])
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var second = StringName(recipe[1])
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var key = _make_pair_key(first, second)
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_combining_map[key] = result_id
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static func _make_pair_key(first_id: StringName, second_id: StringName) -> StringName:
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if str(first_id) <= str(second_id):
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return StringName(str(first_id) + "|" + str(second_id))
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return StringName(str(second_id) + "|" + str(first_id))
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