def tick_operation(self, op):
res = Oplist()
if verify_tick(self, op, res, self.tick_interval):
# Default to 1.0 for max scale, unless something is set.
max_scale = 1.0
if self.props.maxscale:
max_scale = self.props.maxscale
if self.props.mass and self.props.density and self.props.bbox and self.props._nutrients and self.props._nutrients > 0:
# Use half of the nutrients to grow
new_mass = self.props.mass + (self.props._nutrients * 0.5)
bbox_unscaled = self.props.bbox
volume_vector = bbox_unscaled.high_corner - bbox_unscaled.low_corner
volume_unscaled = volume_vector.x * volume_vector.y * volume_vector.z
volume_new = new_mass / self.props.density
new_scale = min(pow(volume_new / volume_unscaled, 0.33333),
max_scale)
if not self.props.scale or new_scale != self.props.scale:
set_ent = Entity(scale=[new_scale])
# check how much nutrient really was used
final_new_mass = new_scale * volume_new * self.props.density
set_ent._nutrients = self.props._nutrients - (
final_new_mass - self.props.mass)
res += Operation("set", set_ent, to=self)
return server.OPERATION_BLOCKED, res
return server.OPERATION_IGNORED
def tick_operation(self, op):
res = Oplist()
if verify_tick(self, op, res, self.tick_interval):
# The simple case is that nutrient will only be consumed to fill up status
if self.props.status:
status = self.props.status
nutrients = 0
if self.props._nutrients:
nutrients = self.props._nutrients
# If no nutrient, we're starving and should decrease status
if nutrients <= 0:
res += Operation("set",
Entity(status=status - 0.01),
to=self)
else:
# Else we'll see if we can increase status by consuming nutrient
if status < 1.0:
# We need to know the mass to know the mass-to-status ratio
if self.props.mass:
set_ent = Entity()
# Consuming 5% of the total mass as nutrient will increase status from 0 to 1.
mass_to_status_ratio = 0.05
# Convert that into actual mass
mass_for_full_status = self.props.mass * mass_to_status_ratio
# Then we define that we'll only increase status by a certain step each tick
status_increase_per_tick = 0.1
# Which gives us the total mass we can consume this tick
nutrient_consumed = min(
status_increase_per_tick *
mass_for_full_status, nutrients)
set_ent._nutrients = nutrients - nutrient_consumed
set_ent.status = status + (nutrient_consumed /
mass_for_full_status)
res += Operation("set", set_ent, to=self)
return server.OPERATION_BLOCKED, res
return server.OPERATION_IGNORED
