Implement MemoryStreamReader

GRAnimated · GRAnimated · commit 1985a6ec163c · 2025-11-06T22:01:39.000-05:00
diff --git a/data/hagi_functions.csv b/data/hagi_functions.csv
@@ -2398,8 +2398,8 @@ Address,Quality,Size,Name
 0x00000071000af9c0,U,000308,ConfigNode__Cleanup
 0x00000071000afb00,U,000612,
 0x00000071000afd70,U,000432,ConfigNode__GetKey
-0x00000071000aff30,W,000284,_ZN10ConfigNode8GetChildEPKc
-0x00000071000b0050,W,000060,_ZN10ConfigNode15GetArrayByIndexEPKci
+0x00000071000aff30,M,000284,_ZN10ConfigNode8GetChildEPKc
+0x00000071000b0050,M,000060,_ZN10ConfigNode15GetArrayByIndexEPKci
 0x00000071000b0090,U,000288,ConfigNode__GetChildOrDefault
 0x00000071000b01c0,U,000164,
 0x00000071000b0270,U,000728,
@@ -3440,15 +3440,15 @@ Address,Quality,Size,Name
 0x000000710012c7c0,U,000096,
 0x000000710012c820,U,000004,
 0x000000710012c830,U,000080,
-0x000000710012c880,U,000004,
-0x000000710012c890,U,000004,
-0x000000710012c8a0,U,000060,
-0x000000710012c8e0,U,000020,_ZN4nerd8hanafuda18MemoryStreamReaderC1Ev
-0x000000710012c900,U,000004,_ZN4nerd8hanafuda18MemoryStreamReaderD2Ev
-0x000000710012c910,U,000004,_ZN4nerd8hanafuda18MemoryStreamReaderD0Ev
-0x000000710012c920,U,000068,_ZN4nerd8hanafuda18MemoryStreamReader4ReadEPvm
-0x000000710012c970,U,000008,_ZN4nerd8hanafuda18MemoryStreamReader7GetSizeEv
-0x000000710012c980,U,000008,_ZN4nerd8hanafuda18MemoryStreamReader11GetPositionEv
+0x000000710012c880,U,000004,_ZN4nerd8hanafuda18MemoryStreamWriterD2Ev
+0x000000710012c890,U,000004,_ZN4nerd8hanafuda18MemoryStreamWriterD0Ev
+0x000000710012c8a0,U,000060,_ZN4nerd8hanafuda18MemoryStreamWriter5WriteEPKvm
+0x000000710012c8e0,O,000020,_ZN4nerd8hanafuda18MemoryStreamReaderC1Ev
+0x000000710012c900,O,000004,_ZN4nerd8hanafuda18MemoryStreamReaderD2Ev
+0x000000710012c910,O,000004,_ZN4nerd8hanafuda18MemoryStreamReaderD0Ev
+0x000000710012c920,O,000068,_ZN4nerd8hanafuda18MemoryStreamReader4ReadEPvm
+0x000000710012c970,O,000008,_ZN4nerd8hanafuda18MemoryStreamReader7GetSizeEv
+0x000000710012c980,O,000008,_ZN4nerd8hanafuda18MemoryStreamReader11GetPositionEv
 0x000000710012c990,U,000048,_ZN4nerd8hanafuda14VirtualMachineC2Ev
 0x000000710012c9c0,U,000008,_ZN4nerd8hanafuda14VirtualMachine8SetStateENS0_19VirtualMachineStateE
 0x000000710012c9d0,U,000064,_ZN4nerd8hanafuda14VirtualMachineD1Ev
diff --git a/external/HanafudaCommon/source/hanafuda_stream_reader.cpp b/external/HanafudaCommon/source/hanafuda_stream_reader.cpp
@@ -0,0 +1,25 @@
+#include "HanafudaCommon/source/hanafuda_stream_reader.h"
+#include <cstring>
+
+namespace nerd::hanafuda {
+
+MemoryStreamReader::MemoryStreamReader() {
+    m_pBuffer = nullptr;
+}
+
+MemoryStreamReader::~MemoryStreamReader() = default;
+
+void MemoryStreamReader::Read(void* destination, unsigned long a_iBufferSize) {
+    memcpy(destination, static_cast<char*>(m_pBuffer) + m_iBufferPosition, a_iBufferSize);
+    m_iBufferPosition += a_iBufferSize;
+}
+
+long MemoryStreamReader::GetSize() {
+    return m_iBufferSize;
+}
+
+long MemoryStreamReader::GetPosition() {
+    return m_iBufferPosition;
+}
+
+}  // namespace nerd::hanafuda
diff --git a/external/HanafudaCommon/source/hanafuda_stream_reader.h b/external/HanafudaCommon/source/hanafuda_stream_reader.h
@@ -0,0 +1,19 @@
+#pragma once
+
+namespace nerd::hanafuda {
+
+class MemoryStreamReader {
+public:
+    MemoryStreamReader();
+    virtual ~MemoryStreamReader();
+    virtual void Read(void* destination, unsigned long a_iBufferSize);
+    virtual long GetSize();
+    virtual long GetPosition();
+
+private:
+    void* m_pBuffer;
+    long m_iBufferSize;
+    long m_iBufferPosition;
+};
+
+}  // namespace nerd::hanafuda
