def consume_operation(self, op):
if len(op) > 0:
arg = op[0]
if arg.consume_type == "graze":
# The plant should specify how much mass it wants to absorb with each "bite"
mass_arg = arg.mass
if not mass_arg:
print("Graze consume op without mass specified")
return server.OPERATION_BLOCKED
nourish_ent = Entity()
nourish_ent.consume_type = "plant"
terrain_prop = self.props.terrain
# If there's a terrain prop, check that the surface has dirt, otherwise just return a nourish op
if terrain_prop:
material = terrain_prop.get_surface_name(
arg.pos[0], arg.pos[2])
if material != "grass":
# print("Could not graze because there's no grass.")
# No earth here
return server.OPERATION_BLOCKED
else:
# Check the slope
normal = terrain_prop.get_normal(
arg.pos[0], arg.pos[2])
slope = normal.dot(Vector3D(1, 0, 0)) / normal.mag()
# The mass received is dependent on the slope
nourish_ent.mass = mass_arg * (1 - slope)
else:
# Just supply the same mass as was requested
nourish_ent.mass = mass_arg
# Note that we don't change our own status in this version.
# Future work might be needed to mark areas as "grazed", but it might not be needed in this level of simulation.
nourish_op = Operation("nourish", nourish_ent, to=op.from_)
return server.OPERATION_BLOCKED, nourish_op
return server.OPERATION_IGNORED
def consume_operation(self, op):
if len(op) > 0:
arg = op[0]
if arg.consume_type == "soil":
# The plant should specify how much mass it wants to absorb with each "bite"
mass_arg = arg.mass
if not mass_arg:
print("Plant consume op without mass specified")
return server.OPERATION_BLOCKED
nourish_ent = Entity()
nourish_ent.consume_type = arg.consume_type
terrain_prop = self.props.terrain
# If there's a terrain prop, check that the surface has dirt, otherwise just return a nourish op
if terrain_prop:
material = terrain_prop.get_surface_name(
arg.pos[0], arg.pos[2])
if material != "grass":
# No earth here
return server.OPERATION_BLOCKED
else:
# Check the slope
normal = terrain_prop.get_normal(
arg.pos[0], arg.pos[2])
slope = normal.dot(Vector3D(1, 0, 0)) / normal.mag()
# The mass received is dependent on the slope
nourish_ent.mass = mass_arg * (1 - slope)
else:
# Just supply the same mass as was requested
nourish_ent.mass = mass_arg
# Note that we don't change our own status;
# unlike creatures being "eaten" soil doesn't lose status in this simulation
nourish_op = Operation("nourish", nourish_ent, to=op.from_)
return server.OPERATION_BLOCKED, nourish_op
return server.OPERATION_IGNORED
def open(instance):
appear_op = Operation("appearance", to=instance.actor.id)
nourish_ent = Entity()
# Check if there's a conversion rate for mass->biomass
if instance.tool.props.mass and instance.tool.props._consume_mass_conversion:
nourish_ent.mass = instance.tool.props.mass * instance.tool.props._consume_mass_conversion
if instance.tool.props.consumable_type:
nourish_ent.consume_type = instance.tool.props.consumable_type
return server.OPERATION_BLOCKED, Operation("nourish", nourish_ent, to=instance.actor), Operation("delete", Entity(instance.tool.id), to=instance.tool)
def consume(instance):
# Delete ourselves, and send a Nourish to the eater
nourish_ent = Entity()
# Check if there's a conversion rate for mass->biomass
if instance.tool.props.mass and instance.tool.props._consume_mass_conversion:
nourish_ent.mass = instance.tool.props.mass * instance.tool.props._consume_mass_conversion
if instance.tool.props.consumable_type:
nourish_ent.consume_type = instance.tool.props.consumable_type
return server.OPERATION_BLOCKED, \
Operation("nourish", nourish_ent, to=instance.actor), \
Operation("delete", Entity(instance.tool.id), to=instance.tool)
