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use crate::{
c::{
spBone, spPathConstraint, spPathConstraintData, spPathConstraint_setToSetupPose,
spPathConstraint_update, spSlot,
},
c_interface::{NewFromPtr, SyncPtr},
Bone, PathConstraintData, Slot,
};
#[cfg(feature = "mint")]
use mint::Vector2;
/// [Spine API Reference](https://esotericsoftware.com/spine-api-reference#PathConstraint)
#[derive(Debug)]
pub struct PathConstraint {
c_path_constraint: SyncPtr<spPathConstraint>,
}
impl NewFromPtr<spPathConstraint> for PathConstraint {
unsafe fn new_from_ptr(c_slot: *mut spPathConstraint) -> Self {
Self {
c_path_constraint: SyncPtr(c_slot),
}
}
}
impl PathConstraint {
/// Applies the constraint to the constrained bones.
pub fn update(&self) {
unsafe {
spPathConstraint_update(self.c_path_constraint.0);
}
}
pub fn set_to_setup_pose(&self) {
unsafe {
spPathConstraint_setToSetupPose(self.c_path_constraint.0);
}
}
c_accessor_tmp_ptr_mut!(
/// The path constraint's setup pose data.
data,
data_mut,
data,
PathConstraintData,
spPathConstraintData
);
c_accessor_bool!(active, active);
c_accessor_mut!(
/// A percentage (0-1) that controls the mix between the constrained and unconstrained
/// rotation.
mix_rotate,
set_mix_rotate,
mixRotate,
f32
);
c_accessor_mut!(
/// A percentage (0-1) that controls the mix between the constrained and unconstrained
/// translation X.
mix_x,
set_mix_x,
mixX,
f32
);
c_accessor_mut!(
/// A percentage (0-1) that controls the mix between the constrained and unconstrained
/// translation Y.
mix_y,
set_mix_y,
mixY,
f32
);
c_accessor_mut!(
/// The position along the path.
position,
set_position,
position,
f32
);
c_accessor_mut!(
/// The spacing between bones.
spacing,
set_spacing,
spacing,
f32
);
c_accessor!(bones_count, bonesCount, usize);
c_accessor_array!(
/// The bones that will be modified by this path constraint.
bones,
bone_at_index,
PathConstraint,
Bone,
spBone,
bones,
bones_count
);
c_accessor_tmp_ptr_mut!(
/// The slot whose path attachment will be used to constrained the bones.
target,
target_mut,
target,
Slot,
spSlot
);
c_ptr!(c_path_constraint, spPathConstraint);
}
/// Functions available if using the `mint` feature.
#[cfg(feature = "mint")]
impl PathConstraint {
#[must_use]
pub fn mix(&self) -> Vector2<f32> {
Vector2 {
x: self.mix_x(),
y: self.mix_y(),
}
}
pub fn set_mix(&mut self, mix: impl Into<Vector2<f32>>) {
let mix: Vector2<f32> = mix.into();
self.set_mix_x(mix.x);
self.set_mix_y(mix.y);
}
}