match func_801DB184

1 files changed, 62 insertions, 7 deletions

diff --git a/src/code_801DB040.cpp b/src/code_801DB040.cpp
index 02094f0..8d7a03a 100644
--- a/src/code_801DB040.cpp
+++ b/src/code_801DB040.cpp
@@ -9,10 +9,12 @@ typedef u32 (*FuncPtr)(void*, u32, u32);
 // TODO: func_801DBD00 might need this definition

 struct unkClass

 {

-    u8 unk0;

-    u8 unk1[0x7];

+    u8 unk0; // u8, u32, or union?

+    u8 unk1;

+    u8 unk2[0x2];

+    u32 unk4;

     MEMHeapHandle unk8;

-    void* unkC; // or, a more specific pointer

+    void* unkC; // or, a more specific pointer. ptr to heap allocated mem

     u32 unk10;

     u32 unk14;

     FuncPtr unk18;

@@ -20,7 +22,18 @@ struct unkClass
     unkClass* unk20; //prev?

 };

 

-extern void func_801DBD00(u32 p1, unkClass* p2);

+struct unkClass2

+{

+    u8 pad[0x24];

+};

+

+

+// TODO: move to other headers

+unkClass* func_801DBC58(unkClass2* p1);

+void func_801DBD00(unkClass2* p1, unkClass* p2);

+unkClass2* func_801DBD74(u32 p1, u32 p2);

+

+

 

 namespace

 {

@@ -30,9 +43,11 @@ namespace
     //unkStruct gUnk8063F2E0(1, 4, 0);

 }

 

-// head of doubly linked list

+// head of doubly linked list?

 extern unkClass* lbl_8063F2E8; //TODO: rename/define/internalize

-extern u32 lbl_8063F2EC; //TODO: rename/define/internalize

+

+// TODO: pointer to some class, a free pool?

+extern unkClass2* lbl_8063F2EC; //TODO: rename/define/internalize

 

 

 

@@ -42,6 +57,9 @@ extern u32 lbl_8063F2EC; //TODO: rename/define/internalize
 //static

 unkClass* func_801DB040(u32 p1, u32 p2);

 unkClass* func_801DB07C(unkClass* p1, BOOL p2);

+void func_801DB15C(u32 p1);

+void* func_801DB184(MEMHeapHandle p1, u32 size, u32 p3, u32 p4, FuncPtr p5);

+

 

 //static

 unkClass* func_801DB040(u32 p1, u32 p2)

@@ -85,8 +103,45 @@ unkClass* func_801DB07C(unkClass* p1, BOOL p2)
     return r31;

 }

 

+void func_801DB15C(u32 p1)

+{

+    // TODO: magic number

+    lbl_8063F2EC = func_801DBD74(p1, 36);

+}

 

-

+// Add node to start of linked list

+//static

+void* func_801DB184(MEMHeapHandle p1, u32 size, u32 p3, u32 p4, FuncPtr p5)

+{

+    if (func_801DB040(p3, p4))

+        return NULL;

+    // allocate linked list node from free store?

+    unkClass* r31 = func_801DBC58(lbl_8063F2EC);

+    if (!r31)

+        return NULL;

+    // alloc

+    // void* func_801DAC94(MEMHeapHandle heap, u32 size)

+    if ((r31->unkC = func_801DAC94(p1, size)) == NULL) {

+        // return node to free store?

+        func_801DBD00(lbl_8063F2EC, r31);

+        return NULL;

+    }

+    if (lbl_8063F2E8)

+        lbl_8063F2E8->unk20 = r31;

+    

+    r31->unk1C = lbl_8063F2E8;

+    r31->unk20 = NULL;

+    lbl_8063F2E8 = r31;

+    

+    r31->unk0 = 1;

+    r31->unk8 = p1;

+    r31->unk1 = 0;

+    r31->unk10 = p3;

+    r31->unk14 = p4;

+    r31->unk18 = p5;

+    r31->unk4 = 0;

+    return r31->unkC;

+}