pub struct RunBorrow<'a, W: Wrap = WrapXY, F: ForbidPattern = ForbidNothing> { /* private fields */ }Expand description
Represents a running instance of wfc which borrows its resources, making it possible to re-use memory across multiple runs.
Implementations§
source§impl<'a, F: ForbidPattern> RunBorrow<'a, WrapXY, F>
impl<'a, F: ForbidPattern> RunBorrow<'a, WrapXY, F>
pub fn new_forbid<R: Rng>(
context: &'a mut Context,
wave: &'a mut Wave,
global_stats: &'a GlobalStats,
forbid: F,
rng: &mut R
) -> Self
source§impl<'a, W: Wrap, F: ForbidPattern> RunBorrow<'a, W, F>
impl<'a, W: Wrap, F: ForbidPattern> RunBorrow<'a, W, F>
sourcepub fn new_wrap_forbid<R: Rng>(
context: &'a mut Context,
wave: &'a mut Wave,
global_stats: &'a GlobalStats,
wrap: W,
forbid: F,
rng: &mut R
) -> Self
pub fn new_wrap_forbid<R: Rng>(
context: &'a mut Context,
wave: &'a mut Wave,
global_stats: &'a GlobalStats,
wrap: W,
forbid: F,
rng: &mut R
) -> Self
Examples found in repository?
src/wfc.rs (line 893)
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pub fn new<R: Rng>(
context: &'a mut Context,
wave: &'a mut Wave,
global_stats: &'a GlobalStats,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(context, wave, global_stats, WrapXY, ForbidNothing, rng)
}
}
impl<'a, W: Wrap> RunBorrow<'a, W> {
pub fn new_wrap<R: Rng>(
context: &'a mut Context,
wave: &'a mut Wave,
global_stats: &'a GlobalStats,
wrap: W,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(context, wave, global_stats, wrap, ForbidNothing, rng)
}
}
impl<'a, F: ForbidPattern> RunBorrow<'a, WrapXY, F> {
pub fn new_forbid<R: Rng>(
context: &'a mut Context,
wave: &'a mut Wave,
global_stats: &'a GlobalStats,
forbid: F,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(context, wave, global_stats, WrapXY, forbid, rng)
}source§impl<'a, W: Wrap, F: ForbidPattern> RunBorrow<'a, W, F>
impl<'a, W: Wrap, F: ForbidPattern> RunBorrow<'a, W, F>
sourcepub fn reset<R: Rng>(&mut self, rng: &mut R)
pub fn reset<R: Rng>(&mut self, rng: &mut R)
Examples found in repository?
src/wfc.rs (line 1035)
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pub fn step<R: Rng>(&mut self, rng: &mut R) -> Result<Observe, PropagateError> {
let result = self.core.step(rng);
if result.is_err() {
self.reset(rng);
}
result
}
pub fn collapse<R: Rng>(&mut self, rng: &mut R) -> Result<(), PropagateError> {
let result = self.core.collapse(rng);
if result.is_err() {
self.reset(rng);
}
result
}
pub fn wave_cell_ref(&self, coord: Coord) -> WaveCellRef {
self.core.wave_cell_ref(coord)
}
pub fn wave_cell_ref_iter(&self) -> impl Iterator<Item = WaveCellRef> {
self.core.wave_cell_ref_iter()
}
pub fn wave_cell_ref_enumerate(&self) -> impl Iterator<Item = (Coord, WaveCellRef)> {
self.core.wave_cell_ref_enumerate()
}
pub fn collapse_retrying<R, RB>(&mut self, mut retry: RB, rng: &mut R) -> RB::Return
where
R: Rng,
RB: retry::RetryBorrow,
{
retry.retry(self, rng)
}
}
impl<'a, W: Wrap> RunBorrowCore<'a, W> {
fn new<R: Rng>(
context: &'a mut Context,
wave: &'a mut Wave,
global_stats: &'a GlobalStats,
output_wrap: W,
rng: &mut R,
) -> Self {
let _ = output_wrap;
wave.init(global_stats, rng);
context.init(wave, global_stats);
Self {
context,
wave,
global_stats,
output_wrap: PhantomData,
}
}
fn reset<R: Rng>(&mut self, rng: &mut R) {
self.wave.init(self.global_stats, rng);
self.context.init(&self.wave, self.global_stats);
}
fn propagate(&mut self) -> Result<(), PropagateError> {
self.context.propagate::<W>(self.wave, self.global_stats)
}
fn observe<R: Rng>(&mut self, rng: &mut R) -> Observe {
self.context.observe(self.wave, self.global_stats, rng)
}
fn step<R: Rng>(&mut self, rng: &mut R) -> Result<Observe, PropagateError> {
match self.observe(rng) {
Observe::Complete => Ok(Observe::Complete),
Observe::Incomplete => {
self.propagate()?;
Ok(Observe::Incomplete)
}
}
}
fn wave_cell_handle(&mut self, coord: Coord) -> WaveCellHandle {
WaveCellHandle::new(
self.wave,
coord,
&mut self.context.propagator,
self.global_stats,
)
}
fn forbid_all_patterns_except(
&mut self,
coord: Coord,
pattern_id: PatternId,
) -> Result<(), PropagateError> {
self.wave_cell_handle(coord)
.forbid_all_patterns_except(pattern_id);
self.propagate()
}
fn forbid_pattern(
&mut self,
coord: Coord,
pattern_id: PatternId,
) -> Result<(), PropagateError> {
self.wave_cell_handle(coord).forbid_pattern(pattern_id);
self.propagate()
}
fn collapse<R: Rng>(&mut self, rng: &mut R) -> Result<(), PropagateError> {
loop {
match self.observe(rng) {
Observe::Complete => return Ok(()),
Observe::Incomplete => {
self.propagate()?;
}
}
}
}
fn wave_cell_ref(&self, coord: Coord) -> WaveCellRef {
let wave_cell = self.wave.grid.get_checked(coord);
WaveCellRef {
wave_cell,
global_stats: self.global_stats,
}
}
fn wave_cell_ref_iter(&self) -> impl Iterator<Item = WaveCellRef> {
self.wave.grid.iter().map(move |wave_cell| WaveCellRef {
wave_cell,
global_stats: self.global_stats,
})
}
fn wave_cell_ref_enumerate(&self) -> impl Iterator<Item = (Coord, WaveCellRef)> {
self.wave.grid.enumerate().map(move |(coord, wave_cell)| {
let wave_cell_ref = WaveCellRef {
wave_cell,
global_stats: self.global_stats,
};
(coord, wave_cell_ref)
})
}
}
pub struct ForbidInterface<'a, 'b, W: Wrap>(&'a mut RunBorrowCore<'b, W>);
impl<'a, 'b, W: Wrap> ForbidInterface<'a, 'b, W> {
pub fn wave_size(&self) -> Size {
self.0.wave.grid.size()
}
pub fn forbid_all_patterns_except<R: Rng>(
&mut self,
coord: Coord,
pattern_id: PatternId,
rng: &mut R,
) -> Result<(), PropagateError> {
let result = self.0.forbid_all_patterns_except(coord, pattern_id);
if result.is_err() {
self.0.reset(rng);
}
result
}
pub fn forbid_pattern<R: Rng>(
&mut self,
coord: Coord,
pattern_id: PatternId,
rng: &mut R,
) -> Result<(), PropagateError> {
let result = self.0.forbid_pattern(coord, pattern_id);
if result.is_err() {
self.0.reset(rng);
}
result
}
}
#[derive(Clone)]
/// Represents a running instance of wfc which allocates and owns its resources
pub struct RunOwn<'a, W: Wrap = WrapXY, F: ForbidPattern = ForbidNothing> {
context: Context,
wave: Wave,
global_stats: &'a GlobalStats,
output_wrap: PhantomData<W>,
forbid: F,
}
pub enum OwnedObserve<'a, W: Wrap> {
Complete(Wave),
Incomplete(RunOwn<'a, W>),
}
pub enum OwnedPropagateError<'a, W: Wrap> {
Contradiction(RunOwn<'a, W>),
}
impl<'a> RunOwn<'a> {
pub fn new<R: Rng>(
output_size: Size,
global_stats: &'a GlobalStats,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(output_size, global_stats, WrapXY, ForbidNothing, rng)
}
}
impl<'a, W: Wrap> RunOwn<'a, W> {
pub fn new_wrap<R: Rng>(
output_size: Size,
global_stats: &'a GlobalStats,
wrap: W,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(output_size, global_stats, wrap, ForbidNothing, rng)
}
}
impl<'a, F: ForbidPattern> RunOwn<'a, WrapXY, F>
where
F: Clone + Sync + Send,
{
pub fn new_forbid<R: Rng>(
output_size: Size,
global_stats: &'a GlobalStats,
forbid: F,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(output_size, global_stats, WrapXY, forbid, rng)
}
}
impl<'a, W: Wrap, F: ForbidPattern> RunOwn<'a, W, F>
where
F: Clone + Sync + Send,
{
pub fn new_wrap_forbid<R: Rng>(
output_size: Size,
global_stats: &'a GlobalStats,
wrap: W,
forbid: F,
rng: &mut R,
) -> Self {
let _ = wrap;
let wave = Wave::new(output_size);
let context = Context::new();
let mut s = Self {
context,
wave,
global_stats,
output_wrap: PhantomData,
forbid,
};
s.borrow_mut().reset(rng);
s
}
}
impl<'a, W: Wrap, F: ForbidPattern> RunOwn<'a, W, F>
where
F: Clone + Sync + Send,
{
pub fn borrow_mut(&mut self) -> RunBorrow<W, ForbidRef<F>> {
let core = RunBorrowCore {
context: &mut self.context,
wave: &mut self.wave,
global_stats: self.global_stats,
output_wrap: self.output_wrap,
};
RunBorrow {
core,
forbid: ForbidRef(&mut self.forbid),
}
}
pub fn step<R: Rng>(&mut self, rng: &mut R) -> Result<Observe, PropagateError> {
self.borrow_mut().step(rng)
}
pub fn collapse<R: Rng>(&mut self, rng: &mut R) -> Result<(), PropagateError> {
self.borrow_mut().collapse(rng)
}
pub fn wave_cell_ref(&self, coord: Coord) -> WaveCellRef {
let wave_cell = self.wave.grid.get_checked(coord);
WaveCellRef {
wave_cell,
global_stats: self.global_stats,
}
}
pub fn wave_cell_ref_iter(&self) -> impl Iterator<Item = WaveCellRef> {
self.wave.grid.iter().map(move |wave_cell| WaveCellRef {
wave_cell,
global_stats: self.global_stats,
})
}
pub fn wave_cell_ref_enumerate(&self) -> impl Iterator<Item = (Coord, WaveCellRef)> {
self.wave.grid.enumerate().map(move |(coord, wave_cell)| {
let wave_cell_ref = WaveCellRef {
wave_cell,
global_stats: self.global_stats,
};
(coord, wave_cell_ref)
})
}
pub fn into_wave(self) -> Wave {
self.wave
}
pub fn collapse_retrying<R, RO>(self, mut retry: RO, rng: &mut R) -> RO::Return
where
R: Rng,
RO: retry::RetryOwn,
{
retry.retry(self, rng)
}
}
#[derive(Clone)]
/// Represents a running instance of wfc which allocates and owns its resources including a copy
/// of the GlobalStats
pub struct RunOwnAll<W: Wrap = WrapXY, F: ForbidPattern = ForbidNothing> {
context: Context,
wave: Wave,
global_stats: GlobalStats,
output_wrap: PhantomData<W>,
forbid: F,
}
impl RunOwnAll {
pub fn new<R: Rng>(
output_size: Size,
global_stats: GlobalStats,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(output_size, global_stats, WrapXY, ForbidNothing, rng)
}
}
impl<W: Wrap> RunOwnAll<W> {
pub fn new_wrap<R: Rng>(
output_size: Size,
global_stats: GlobalStats,
wrap: W,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(output_size, global_stats, wrap, ForbidNothing, rng)
}
}
impl<F: ForbidPattern> RunOwnAll<WrapXY, F>
where
F: Clone + Sync + Send,
{
pub fn new_forbid<R: Rng>(
output_size: Size,
global_stats: GlobalStats,
forbid: F,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(output_size, global_stats, WrapXY, forbid, rng)
}
}
impl<W: Wrap, F: ForbidPattern> RunOwnAll<W, F>
where
F: Clone + Sync + Send,
{
pub fn new_wrap_forbid<R: Rng>(
output_size: Size,
global_stats: GlobalStats,
wrap: W,
forbid: F,
rng: &mut R,
) -> Self {
let _ = wrap;
let wave = Wave::new(output_size);
let context = Context::new();
let mut s = Self {
context,
wave,
global_stats,
output_wrap: PhantomData,
forbid,
};
s.borrow_mut().reset(rng);
s
}sourcepub fn step<R: Rng>(&mut self, rng: &mut R) -> Result<Observe, PropagateError>
pub fn step<R: Rng>(&mut self, rng: &mut R) -> Result<Observe, PropagateError>
Examples found in repository?
src/wfc.rs (line 1308)
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pub fn step<R: Rng>(&mut self, rng: &mut R) -> Result<Observe, PropagateError> {
self.borrow_mut().step(rng)
}
pub fn collapse<R: Rng>(&mut self, rng: &mut R) -> Result<(), PropagateError> {
self.borrow_mut().collapse(rng)
}
pub fn wave_cell_ref(&self, coord: Coord) -> WaveCellRef {
let wave_cell = self.wave.grid.get_checked(coord);
WaveCellRef {
wave_cell,
global_stats: self.global_stats,
}
}
pub fn wave_cell_ref_iter(&self) -> impl Iterator<Item = WaveCellRef> {
self.wave.grid.iter().map(move |wave_cell| WaveCellRef {
wave_cell,
global_stats: self.global_stats,
})
}
pub fn wave_cell_ref_enumerate(&self) -> impl Iterator<Item = (Coord, WaveCellRef)> {
self.wave.grid.enumerate().map(move |(coord, wave_cell)| {
let wave_cell_ref = WaveCellRef {
wave_cell,
global_stats: self.global_stats,
};
(coord, wave_cell_ref)
})
}
pub fn into_wave(self) -> Wave {
self.wave
}
pub fn collapse_retrying<R, RO>(self, mut retry: RO, rng: &mut R) -> RO::Return
where
R: Rng,
RO: retry::RetryOwn,
{
retry.retry(self, rng)
}
}
#[derive(Clone)]
/// Represents a running instance of wfc which allocates and owns its resources including a copy
/// of the GlobalStats
pub struct RunOwnAll<W: Wrap = WrapXY, F: ForbidPattern = ForbidNothing> {
context: Context,
wave: Wave,
global_stats: GlobalStats,
output_wrap: PhantomData<W>,
forbid: F,
}
impl RunOwnAll {
pub fn new<R: Rng>(
output_size: Size,
global_stats: GlobalStats,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(output_size, global_stats, WrapXY, ForbidNothing, rng)
}
}
impl<W: Wrap> RunOwnAll<W> {
pub fn new_wrap<R: Rng>(
output_size: Size,
global_stats: GlobalStats,
wrap: W,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(output_size, global_stats, wrap, ForbidNothing, rng)
}
}
impl<F: ForbidPattern> RunOwnAll<WrapXY, F>
where
F: Clone + Sync + Send,
{
pub fn new_forbid<R: Rng>(
output_size: Size,
global_stats: GlobalStats,
forbid: F,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(output_size, global_stats, WrapXY, forbid, rng)
}
}
impl<W: Wrap, F: ForbidPattern> RunOwnAll<W, F>
where
F: Clone + Sync + Send,
{
pub fn new_wrap_forbid<R: Rng>(
output_size: Size,
global_stats: GlobalStats,
wrap: W,
forbid: F,
rng: &mut R,
) -> Self {
let _ = wrap;
let wave = Wave::new(output_size);
let context = Context::new();
let mut s = Self {
context,
wave,
global_stats,
output_wrap: PhantomData,
forbid,
};
s.borrow_mut().reset(rng);
s
}
}
impl<W: Wrap, F: ForbidPattern> RunOwnAll<W, F>
where
F: Clone + Sync + Send,
{
pub fn borrow_mut(&mut self) -> RunBorrow<W, ForbidRef<F>> {
let core = RunBorrowCore {
context: &mut self.context,
wave: &mut self.wave,
global_stats: &self.global_stats,
output_wrap: self.output_wrap,
};
RunBorrow {
core,
forbid: ForbidRef(&mut self.forbid),
}
}
pub fn step<R: Rng>(&mut self, rng: &mut R) -> Result<Observe, PropagateError> {
self.borrow_mut().step(rng)
}sourcepub fn collapse<R: Rng>(&mut self, rng: &mut R) -> Result<(), PropagateError>
pub fn collapse<R: Rng>(&mut self, rng: &mut R) -> Result<(), PropagateError>
Examples found in repository?
src/wfc.rs (line 1312)
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pub fn collapse<R: Rng>(&mut self, rng: &mut R) -> Result<(), PropagateError> {
self.borrow_mut().collapse(rng)
}
pub fn wave_cell_ref(&self, coord: Coord) -> WaveCellRef {
let wave_cell = self.wave.grid.get_checked(coord);
WaveCellRef {
wave_cell,
global_stats: self.global_stats,
}
}
pub fn wave_cell_ref_iter(&self) -> impl Iterator<Item = WaveCellRef> {
self.wave.grid.iter().map(move |wave_cell| WaveCellRef {
wave_cell,
global_stats: self.global_stats,
})
}
pub fn wave_cell_ref_enumerate(&self) -> impl Iterator<Item = (Coord, WaveCellRef)> {
self.wave.grid.enumerate().map(move |(coord, wave_cell)| {
let wave_cell_ref = WaveCellRef {
wave_cell,
global_stats: self.global_stats,
};
(coord, wave_cell_ref)
})
}
pub fn into_wave(self) -> Wave {
self.wave
}
pub fn collapse_retrying<R, RO>(self, mut retry: RO, rng: &mut R) -> RO::Return
where
R: Rng,
RO: retry::RetryOwn,
{
retry.retry(self, rng)
}
}
#[derive(Clone)]
/// Represents a running instance of wfc which allocates and owns its resources including a copy
/// of the GlobalStats
pub struct RunOwnAll<W: Wrap = WrapXY, F: ForbidPattern = ForbidNothing> {
context: Context,
wave: Wave,
global_stats: GlobalStats,
output_wrap: PhantomData<W>,
forbid: F,
}
impl RunOwnAll {
pub fn new<R: Rng>(
output_size: Size,
global_stats: GlobalStats,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(output_size, global_stats, WrapXY, ForbidNothing, rng)
}
}
impl<W: Wrap> RunOwnAll<W> {
pub fn new_wrap<R: Rng>(
output_size: Size,
global_stats: GlobalStats,
wrap: W,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(output_size, global_stats, wrap, ForbidNothing, rng)
}
}
impl<F: ForbidPattern> RunOwnAll<WrapXY, F>
where
F: Clone + Sync + Send,
{
pub fn new_forbid<R: Rng>(
output_size: Size,
global_stats: GlobalStats,
forbid: F,
rng: &mut R,
) -> Self {
Self::new_wrap_forbid(output_size, global_stats, WrapXY, forbid, rng)
}
}
impl<W: Wrap, F: ForbidPattern> RunOwnAll<W, F>
where
F: Clone + Sync + Send,
{
pub fn new_wrap_forbid<R: Rng>(
output_size: Size,
global_stats: GlobalStats,
wrap: W,
forbid: F,
rng: &mut R,
) -> Self {
let _ = wrap;
let wave = Wave::new(output_size);
let context = Context::new();
let mut s = Self {
context,
wave,
global_stats,
output_wrap: PhantomData,
forbid,
};
s.borrow_mut().reset(rng);
s
}
}
impl<W: Wrap, F: ForbidPattern> RunOwnAll<W, F>
where
F: Clone + Sync + Send,
{
pub fn borrow_mut(&mut self) -> RunBorrow<W, ForbidRef<F>> {
let core = RunBorrowCore {
context: &mut self.context,
wave: &mut self.wave,
global_stats: &self.global_stats,
output_wrap: self.output_wrap,
};
RunBorrow {
core,
forbid: ForbidRef(&mut self.forbid),
}
}
pub fn step<R: Rng>(&mut self, rng: &mut R) -> Result<Observe, PropagateError> {
self.borrow_mut().step(rng)
}
pub fn collapse<R: Rng>(&mut self, rng: &mut R) -> Result<(), PropagateError> {
self.borrow_mut().collapse(rng)
}More examples
src/retry.rs (line 227)
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fn retry<'a, W, F, R>(
&mut self,
run: &mut RunBorrow<'a, W, F>,
rng: &mut R,
) -> Self::Return
where
W: Wrap,
F: ForbidPattern,
R: Rng,
{
loop {
match run.collapse(rng) {
Ok(()) => break,
Err(PropagateError::Contradiction) => continue,
}
}
}
}
impl RetryBorrow for NumTimes {
type Return = Result<(), PropagateError>;
fn retry<'a, W, F, R>(
&mut self,
run: &mut RunBorrow<'a, W, F>,
rng: &mut R,
) -> Self::Return
where
W: Wrap,
F: ForbidPattern,
R: Rng,
{
loop {
match run.collapse(rng) {
Ok(()) => return Ok(()),
Err(e) => {
if self.0 == 0 {
return Err(e);
} else {
self.0 -= 1;
}
}
}
}
}