1 files changed, 51 insertions, 0 deletions

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+#pragma once
+#include <vector>
+#include <map>
+#include <windows.h>
+
+// https://github.com/erayarslan/WriteProcessMemory-Example
+// http://stackoverflow.com/q/32798185
+// http://stackoverflow.com/q/36018838
+// http://stackoverflow.com/q/1387064
+class Memory
+{
+public:
+        Memory(const std::string& processName);
+        ~Memory();
+
+        Memory(const Memory& memory) = delete;
+        Memory& operator=(const Memory& other) = delete;
+
+        template<class T>
+        std::vector<T> ReadData(const std::vector<int>& offsets, size_t numItems) {
+                std::vector<T> data;
+                data.resize(numItems);
+                for (int i=0; i<5; i++) {
+                        if (ReadProcessMemory(_handle, ComputeOffset(offsets), &data[0], sizeof(T) * numItems, nullptr))
+                        {
+                                return data;
+                        }
+                }
+                ThrowError();
+                return {};
+        }
+
+        template <class T>
+        void WriteData(const std::vector<int>& offsets, const std::vector<T>& data) {
+                for (int i=0; i<5; i++) {
+                        if (WriteProcessMemory(_handle, ComputeOffset(offsets), &data[0], sizeof(T) * data.size(), nullptr)) {
+                                return;
+                        }
+                }
+                ThrowError();
+        }
+        
+private:
+        void ThrowError();
+
+        void* ComputeOffset(std::vector<int> offsets);
+
+        std::map<uintptr_t, uintptr_t> _computedAddresses;
+        uintptr_t _baseAddress = 0;
+        HANDLE _handle = nullptr;
+};
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