1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
use crate::traits::Class;
pub(crate) use physx_sys::{PxBase, PxRefCounted};
#[rustfmt::skip]
use physx_sys::{
PxBase_getBaseFlags,
PxBase_getConcreteType,
PxBase_getConcreteTypeName,
PxBase_isReleasable,
PxBase_setBaseFlag_mut,
PxBase_setBaseFlags_mut,
PxRefCounted_acquireReference_mut,
PxRefCounted_getReferenceCount,
PxRefCounted_release_mut,
};
pub use physx_sys::{
PxBaseFlag as BaseFlag, PxBaseFlags as BaseFlags, PxConcreteType as ConcreteType,
};
impl<T> Base for T where T: Class<PxBase> + Sized {}
pub trait Base: Class<PxBase> + Sized {
/// Get the name of the real type referenced by this pointer, or None if the returned string is not valid
fn get_concrete_type_name(&self) -> Option<&str> {
unsafe {
std::ffi::CStr::from_ptr(PxBase_getConcreteTypeName(self.as_ptr() as *const _) as _)
.to_str()
.ok()
}
}
/// Returns an enumerated value identifying the type.
///
/// This may return [`ConcreteType::Undefined`] in surprising situations,
/// notably this does not seem to work with `get_active_actors`. Use
/// `get_type` for actors if possible.
#[inline]
fn get_concrete_type(&self) -> ConcreteType {
unsafe { PxBase_getConcreteType(self.as_ptr()).into() }
}
/// Set or unset the specified flag on this object.
fn set_base_flag(&mut self, flag: BaseFlag, value: bool) {
unsafe {
PxBase_setBaseFlag_mut(self.as_mut_ptr() as *mut _, flag, value);
}
}
/// Set the BaseFlags of this object. Note that replaces all flags currently
/// on the object. Use `set_base_flag` to set individual flags.
fn set_base_flags(&mut self, in_flags: BaseFlags) {
unsafe {
PxBase_setBaseFlags_mut(self.as_mut_ptr() as *mut _, in_flags);
}
}
/// Read the BaseFlags of this object
fn get_base_flags(&self) -> BaseFlags {
unsafe { PxBase_getBaseFlags(self.as_ptr() as *const _) }
}
////////////////////////////////////////////////////////////////////////////////
/// Returns true if this object can be released, i.e., it is not subordinate.
fn is_releasable(&self) -> bool {
unsafe { PxBase_isReleasable(self.as_ptr() as *const _) }
}
}
impl<T> RefCounted for T where T: Class<PxRefCounted> + Sized {}
pub trait RefCounted: Class<PxRefCounted> + Sized {
/// Decrements the reference count of the object and releases it if the new reference count is zero.
#[inline]
fn release(&mut self) {
unsafe { PxRefCounted_release_mut(self.as_mut_ptr().cast()) }
}
/// Returns the reference count of the object.
///
/// At creation, the reference count of the object is 1. Every other object
/// referencing this object increments the count by 1. When the reference
/// count reaches 0, and only then, the object gets destroyed automatically.
fn get_reference_count(&self) -> u32 {
unsafe { PxRefCounted_getReferenceCount(self.as_ptr().cast()) }
}
/// Acquires a counted reference to this object.
///
/// This method increases the reference count of the object by 1. Decrement
/// the reference count by calling [`Self::release`]
fn acquire_reference(&mut self) {
unsafe { PxRefCounted_acquireReference_mut(self.as_mut_ptr().cast()) }
}
}