class EntityCreation:

    def __init__(self):

        self.entity_templates = {

            'worker': {

                'type': 'unit',

                'name': 'Worker',

                'health': 100,

                'movable': True,

                'speed': 40.0,

                'gather_rate': 10,

                'build_power': 5

            },

            'barracks': {

                'type': 'building',

                'name': 'Barracks',

                'health': 500,

                'movable': False,

                'build_time': 30.0

            },

            'supply_depot': {

                'type': 'building',

                'name': 'Supply Depot',

                'health': 400,

                'movable': False,

                'build_time': 20.0

            },

            'mineral_field': {

                'type': 'resource',

                'name': 'Mineral Field',

                'resources': {'minerals': 1500}

            }

        }



    def create_entity(self, state, create_cmd: dict) -> dict:

        entity_type = create_cmd.get('entity_type')

        position = create_cmd.get('position', (0, 0))

        

        if entity_type not in self.entity_templates:

            return None

            

        entity_def = self.entity_templates[entity_type]

        entity = self.init_entity(entity_def, position)

        

        return {

            'type': 'add_entity',

            'entity': entity

        }



    def init_entity(self, entity_def: dict, position: tuple) -> dict:

        entity = entity_def.copy()

        entity['x'] = position[0]

        entity['y'] = position[1]

        

        if entity['type'] == 'unit':

            entity['id'] = self._generate_id()

            entity['state'] = 'idle'

            

        elif entity['type'] == 'building':

            entity['id'] = self._generate_id()

            entity['build_progress'] = 0.0

            entity['completed'] = False

            

        elif entity['type'] == 'resource':

            entity['id'] = self._generate_id()

            

        return entity



    def _generate_id(self) -> int:

        return id(self)