1use std::{
2 convert::Infallible,
3 fmt::{Debug, Display},
4};
5
6pub use glam;
7pub use wide;
8
9mod fk;
10mod fk_dynamic;
11mod path;
12mod q;
13mod traj;
14mod validator;
15mod validator_dynamic;
16
17pub use fk::{
18 DHChain, DHJoint, FKChain, HPChain, HPJoint, PrismaticFK, TransformedFK, URDFChain, URDFJoint,
19};
20pub use fk_dynamic::{BoxFK, DynamicDHChain, DynamicHPChain, DynamicURDFChain};
21pub use path::{RobotPath, SRobotPath};
22pub use q::{RobotQ, SRobotQ, robotq, SRobotQLike};
23pub use traj::{RobotTraj, SRobotTraj};
24pub use validator::{JointValidator, Validator, ValidatorAnd, ValidatorNot, ValidatorOr, ValidatorContext, Leaf, FromFlattened};
25pub use validator_dynamic::DynamicJointValidator;
26
27#[derive(Debug, Clone, thiserror::Error)]
28pub enum DekeError {
29 #[error("Expected {expected} joints, but found {found}")]
30 ShapeMismatch { expected: usize, found: usize },
31 #[error("Path has {0} waypoints, needs at least 2")]
32 PathTooShort(usize),
33 #[error("Joints contain non-finite values")]
34 JointsNonFinite,
35 #[error("Self-collision detected between joints {0} and {1}")]
36 SelfCollision(i16, i16),
37 #[error("Environment collision detected between joint {0} and object {1}")]
38 EnvironmentCollision(i16, i16),
39 #[error("Joints exceed their limits")]
40 ExceedJointLimits,
41 #[error("Out of iterations")]
42 OutOfIterations,
43 #[error("Locked-prefix constraint violated at waypoint {waypoint} joint {joint}")]
44 LockedPrefixViolation { waypoint: u32, joint: u8 },
45 #[error("Boundary conditions not parallel to path tangent (residual {0})")]
46 BoundaryInfeasible(f32),
47 #[error("Path has consecutive zero-length segments")]
48 DuplicateWaypoints,
49 #[error("Retimer failed: {0}")]
50 RetimerFailed(String),
51 #[error("Super error")]
52 SuperError,
53}
54
55impl From<Infallible> for DekeError {
56 fn from(_: Infallible) -> Self {
57 unreachable!()
58 }
59}
60
61pub type DekeResult<T> = Result<T, DekeError>;
62
63pub trait Planner<const N: usize>: Sized + Clone + Debug + Send + Sync + 'static {
64 type Diagnostic: Display + Send + Sync;
65 type Config;
66
67 fn plan<
68 E: Into<DekeError>,
69 A: SRobotQLike<N, E>,
70 B: SRobotQLike<N, E>,
71 V: Validator<N>,
72 >(
73 &self,
74 config: &Self::Config,
75 start: A,
76 goal: B,
77 validator: &mut V,
78 ctx: &V::Context<'_>,
79 ) -> (DekeResult<SRobotPath<N>>, Self::Diagnostic);
80}
81
82pub trait Retimer<const N: usize>: Sized + Clone + Debug + Send + Sync + 'static {
83 type Diagnostic: Display + Send + Sync;
84 type Constraints;
85
86 fn retime<V: Validator<N>>(
87 &self,
88 constraints: &Self::Constraints,
89 path: &SRobotPath<N>,
90 fk: &impl FKChain<N>,
91 validator: &mut V,
92 ctx: &V::Context<'_>,
93 ) -> (DekeResult<SRobotTraj<N>>, Self::Diagnostic);
94}