commonlibsse_ng\re\s/
ScrapHeap.rs

1use crate::re::IMemoryStore::{IMemoryStore, IMemoryStoreVtbl};
2use crate::re::offsets_vtable::VTABLE_ScrapHeap;
3use crate::{re::offsets_rtti::RTTI_ScrapHeap, rel::id::VariantID};
4use core::ffi::c_void;
5use core::ptr;
6
7#[repr(C)]
8#[derive(Debug)]
9pub struct ScrapHeap {
10    pub __base: IMemoryStore,
11    pub smallBlocks: [*mut FreeBlock; 6], // 08
12    pub freeList: *mut FreeTreeNode,      // 38
13    pub lastBlock: *mut Block,            // 40
14    pub baseAddress: *mut c_void,         // 48
15    pub endAddress: *mut c_void,          // 50
16    pub commitEnd: *mut c_void,           // 58
17    pub reserveSize: usize,               // 60
18    pub minCommit: usize,                 // 68
19    pub totalAllocated: usize,            // 70
20    pub keepPagesRequest: u32,            // 78
21    pub totalFreeBlocks: u32,             // 7C
22    pub freeSmallBlocks: u32,             // 80
23    pub totalAllocatedBlocks: u32,        // 84
24    pub pmpBarrier: u32,                  // 88
25}
26const _: () = assert!(core::mem::size_of::<ScrapHeap>() == 0x90);
27
28impl Default for ScrapHeap {
29    fn default() -> Self {
30        Self::new()
31    }
32}
33
34impl ScrapHeap {
35    pub const RTTI: VariantID = RTTI_ScrapHeap;
36    pub const VTABLE: [VariantID; 1] = VTABLE_ScrapHeap;
37
38    pub const fn new() -> Self {
39        Self {
40            __base: IMemoryStore::new(),
41            smallBlocks: [ptr::null_mut(); 6],
42            freeList: ptr::null_mut(),
43            lastBlock: ptr::null_mut(),
44            baseAddress: ptr::null_mut(),
45            endAddress: ptr::null_mut(),
46            commitEnd: ptr::null_mut(),
47            reserveSize: 1 << 26,
48            minCommit: 1 << 17,
49            totalAllocated: 0,
50            keepPagesRequest: 0,
51            totalFreeBlocks: 0,
52            freeSmallBlocks: 0,
53            totalAllocatedBlocks: 0,
54            pmpBarrier: 0,
55        }
56    }
57
58    #[commonlibsse_ng_derive_internal::relocate_fn(se_id = 66884, ae_id = 68144)]
59    pub unsafe fn allocate(&mut self, size: usize, alignment: usize) -> *mut c_void {}
60
61    #[commonlibsse_ng_derive_internal::relocate_fn(se_id = 66885, ae_id = 68146)]
62    pub unsafe fn deallocate(&mut self, mem: *mut c_void) -> *mut c_void {}
63}
64
65impl Drop for ScrapHeap {
66    fn drop(&mut self) {
67        use windows::Win32::System::Memory::{MEM_RELEASE, VirtualFree};
68
69        if let Err(_err) = unsafe { VirtualFree(self.baseAddress, 0, MEM_RELEASE) } {
70            #[cfg(feature = "tracing")]
71            tracing::error!("Failed `VirtualFree`: {_err}");
72        };
73    }
74}
75
76pub struct ScrapHeapVtbl {
77    pub __base: IMemoryStoreVtbl,
78}
79
80#[repr(C)]
81#[derive(Debug)]
82pub struct Block {
83    pub sizeFlags: usize, // 00
84    pub prev: *mut Block, // 08
85}
86const _: () = assert!(core::mem::size_of::<Block>() == 0x10);
87
88#[repr(C)]
89#[derive(Debug)]
90pub struct FreeBlock {
91    pub __base: Block,         // 00
92    pub left: *mut FreeBlock,  // 10
93    pub right: *mut FreeBlock, // 18
94}
95const _: () = assert!(core::mem::size_of::<FreeBlock>() == 0x20);
96
97#[repr(C)]
98#[derive(Debug)]
99pub struct FreeTreeNode {
100    pub __base: Block,                // 00
101    pub root: *mut *mut FreeTreeNode, // 10
102    pub leftNode: *mut FreeTreeNode,  // 18
103    pub rightNode: *mut FreeTreeNode, // 20
104    pub parentAndBlack: usize,        // 28
105}
106const _: () = assert!(core::mem::size_of::<FreeTreeNode>() == 0x30);
commonlibsse_ng\re\s/ScrapHeap.rs

commonlibsse_ng\re\s/
ScrapHeap.rs
