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open-goal · May 2, 2024 · 78917bd · 78917bd
1 parent b5b45b2
commit 78917bd
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Showing 2 changed files with 80 additions and 2 deletions.
diff --git a/game/overlord/jak3/pagemanager.cpp b/game/overlord/jak3/pagemanager.cpp
@@ -36,6 +36,77 @@ CPageManager::CPage::CPage(u8* start, u8* end, int page_id) {
   m_nUnk2 = 0;
 }
 
+int CPageManager::CPage::AddRef() {
+  int state, ret = -1;
+
+  CpuSuspendIntr(&state);
+
+  if (m_nAllocState == 1 && m_pPageList != nullptr) {
+    m_pPageList->m_nRefCount++;
+    m_nRefCount++;
+    ret = m_nRefCount;
+  }
+
+  CpuResumeIntr(state);
+
+  return ret;
+}
+
+int CPageManager::CPage::ReleaseRef() {
+  int state, ret = -1;
+
+  CpuSuspendIntr(&state);
+
+  if (m_nAllocState == 1 && m_pPageList != nullptr) {
+    m_pPageList->m_nRefCount--;
+    m_nRefCount--;
+    ret = m_nRefCount;
+  }
+
+  CpuResumeIntr(state);
+
+  return ret;
+}
+
+int CPageManager::CPage::AddDmaRef() {
+  int state, ret = -1;
+
+  CpuSuspendIntr(&state);
+
+  if (m_nAllocState == 1 && m_pPageList != nullptr) {
+    m_pPageList->m_nDmaRefCount++;
+    m_nDmaRefCount++;
+    ret = m_nDmaRefCount;
+  }
+
+  CpuResumeIntr(state);
+
+  return ret;
+}
+
+int CPageManager::CPage::ReleaseDmaRef() {
+  int state, ret = -1;
+
+  CpuSuspendIntr(&state);
+
+  if (m_nAllocState == 1 && m_pPageList != nullptr) {
+    m_pPageList->m_nDmaRefCount--;
+    m_nDmaRefCount--;
+    ret = m_nDmaRefCount;
+  }
+
+  CpuResumeIntr(state);
+
+  return ret;
+}
+
+void CPageManager::CPage::FromPagesCopy(u8* pInPageData, u8* pDest, int nNumBytes) {
+  if (nNumBytes <= 0) {
+    return;
+  }
+
+}
+
 void CPageManager::Initialize() {
   m_Cache.Initialize();
 }

diff --git a/game/overlord/jak3/pagemanager.h b/game/overlord/jak3/pagemanager.h
@@ -24,18 +24,25 @@ class CPageManager {
     CPageList* m_pPageList;
     u8* m_pData;
     u8* m_pEnd;  // maybe
-    u32 m_nRefCount;
-    u32 m_nDmaRefCount;
+    int m_nRefCount;
+    int m_nDmaRefCount;
     int m_nPageID;
     int m_nAllocState;
     int m_nUnk2;
   };
 
   class CPageList {
+    friend class CPage;
+
+   public:
     int AddActivePages(int);
     int CancelActivePages();
     CPage* StepActivePage();
     void GarbageCollect();
+
+   private:
+    int m_nRefCount;
+    int m_nDmaRefCount;
   };
 
   void Initialize();