Struct bones_framework::prelude::piccolo::Fuel
pub struct Fuel { /* private fields */ }
Expand description
A counter for tracking the amount of time spent in Executor::step
and in callbacks.
The fuel unit is approximately one VM instruction, but this is just a rough estimate (especially since VM instructions are highly variable in cost, such as with the len operator).
All operations that take a variable amount of time should consume some amount of fuel, so that
it is always possible to bound the amount of time spent in Executor::step
.
Implementations§
§impl Fuel
impl Fuel
pub fn empty() -> Fuel
pub fn with(fuel: i32) -> Fuel
pub fn refill(&mut self, fuel: i32, max_fuel: i32)
pub fn refill(&mut self, fuel: i32, max_fuel: i32)
Refills fuel up to a given maximum and also clears the fuel interrupt flag.
This is a convenience method that is intended to be called outside of a call to
Executor::step
in some loop. It does the operations that all loops that would re-use a
fuel container from one tick to another would need to do.
It credits the running thread with fuel while also preventing available fuel from growing to an unbounded level, and also clears the interrupt flag since we are now on the “outside” of whatever lua code is being run and this is where we would want to interrupt to.
pub fn consume(&mut self, fuel: i32)
pub fn consume(&mut self, fuel: i32)
Subtract from the current remaining fuel.
This is a convenience method that is equivalent to self.adjust_fuel(-fuel)
.
pub fn remaining(&self) -> i32
pub fn set_remaining(&mut self, fuel: i32)
pub fn interrupt(&mut self)
pub fn interrupt(&mut self)
Marks that the calling Executor
should immediately stop executing, without actually
consuming any fuel.
This is useful in situations where you need to interrupt a running Executor
because it
may be waiting on an external event that has not yet occurred, but still want to record the
correct fuel usage.
pub fn is_interrupted(&self) -> bool
pub fn clear_interrupt(&mut self)
pub fn should_continue(&self) -> bool
pub fn should_continue(&self) -> bool
Returns true if we have positive fuel remaining and we have not been interrupted.
Trait Implementations§
Auto Trait Implementations§
impl Freeze for Fuel
impl RefUnwindSafe for Fuel
impl Send for Fuel
impl Sync for Fuel
impl Unpin for Fuel
impl UnwindSafe for Fuel
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