mirror of
https://github.com/GameHackingBook/GameHackingCode
synced 2026-06-08 11:08:54 +00:00
Nick Cano
120 lines
2.9 KiB
C++
120 lines
2.9 KiB
C++
#include "DummyWindow.h"
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/*
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THIS CODE EXISTS ONLY TO DISPLAY A WINDOW,
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AND IS NOT RELEVANT TO THE EXAMPLE CODE
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*/
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std::map<HWND, DummyWindow*> DummyWindow::windowMap;
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DummyWindow::DummyWindow(HINSTANCE _instance) : windowHandle(NULL), instance(_instance)
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{}
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DummyWindow::~DummyWindow(void)
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{
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DummyWindow::unregisterWindow(this, this->windowHandle);
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}
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bool DummyWindow::initialize()
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{
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WNDCLASSEX wcex;
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wcex.cbSize = sizeof(WNDCLASSEX);
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wcex.style = CS_HREDRAW | CS_VREDRAW;
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wcex.lpfnWndProc = WndProc;
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wcex.cbClsExtra = 0;
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wcex.cbWndExtra = 0;
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wcex.hInstance = this->instance;
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wcex.hIcon = NULL; //LoadIcon(this->instance, MAKEINTRESOURCE(IDI_APPLICATION));
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wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
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wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
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wcex.lpszMenuName = NULL;
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wcex.lpszClassName = L"gamhakwind";
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wcex.hIconSm = NULL; //LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_APPLICATION));
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if (!RegisterClassEx(&wcex))
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{
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auto err = GetLastError();
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return false;
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}
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this->windowHandle = CreateWindowA
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(
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"gamhakwind",
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"Game Hacking - Chapter 11 - SearchAlgorithms",
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WS_OVERLAPPEDWINDOW,
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CW_USEDEFAULT, CW_USEDEFAULT,
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420, 490,
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NULL,
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NULL,
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this->instance,
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NULL
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);
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if (this->windowHandle == NULL)
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{
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auto err = GetLastError();
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//return false;
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}
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DummyWindow::registerWindow(this, this->windowHandle);
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SetTimer(this->windowHandle, NULL, 50, NULL);
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ShowWindow(this->windowHandle, SW_SHOW);
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UpdateWindow(this->windowHandle);
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return true;
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}
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void DummyWindow::finalize()
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{
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this->callbackMap.clear();
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}
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int32_t DummyWindow::doMessageLoop()
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{
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MSG msg;
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while (GetMessage(&msg, NULL, 0, 0))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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return static_cast<int32_t>(msg.wParam);
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}
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void DummyWindow::setMessageHandler(UINT message, windowMessageCallbackType callback)
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{
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this->callbackMap[message] = callback;
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}
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LRESULT DummyWindow::onMessageReceived(HWND window, UINT message, WPARAM wparam, LPARAM lparam)
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{
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auto found = this->callbackMap.find(message);
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if (found != this->callbackMap.end())
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return found->second(this, message, wparam, lparam);
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return DefWindowProc(window, message, wparam, lparam);
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}
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void DummyWindow::registerWindow(DummyWindow* dummy, HWND window)
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{
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DummyWindow::windowMap[window] = dummy;
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}
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void DummyWindow::unregisterWindow(DummyWindow* dummy, HWND window)
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{
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auto found = DummyWindow::windowMap.find(window);
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if (found != DummyWindow::windowMap.end())
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DummyWindow::windowMap.erase(found);
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}
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DummyWindow* DummyWindow::findWindow(HWND window)
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{
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auto found = DummyWindow::windowMap.find(window);
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if (found != DummyWindow::windowMap.end())
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return found->second;
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return nullptr;
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}
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LRESULT DummyWindow::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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auto dummy = DummyWindow::findWindow(hWnd);
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if (dummy)
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return dummy->onMessageReceived(hWnd, uMsg, wParam, lParam);
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return DefWindowProc(hWnd, uMsg, wParam, lParam);
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} |