VISIGen for Windows

2025-12-08 17:04:55 +00:00 · 2017-02-24 21:59:37 -10:00
parent 40179c02dc
commit c312aa355b
9 changed files with 170 additions and 14 deletions
--- a/visigen/MainWin.cpp
+++ b/visigen/MainWin.cpp
@@ -0,0 +1,152 @@
+#include "VISIRenderer.hpp"
+#include <Windows.h>
+#include <WinUser.h>
+#include <Shlwapi.h>
+#include <strsafe.h>
+#include "athena/Global.hpp"
+#include "logvisor/logvisor.hpp"
+#include <thread>
+
+static logvisor::Module AthenaLog("Athena");
+static void AthenaExc(athena::error::Level level, const char* file,
+                      const char*, int line, const char* fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+    AthenaLog.report(logvisor::Level(level), fmt, ap);
+    va_end(ap);
+}
+
+static float s_Percent = 0.f;
+static DWORD s_mainThreadId;
+static void UpdatePercent(float percent)
+{
+    s_Percent = percent;
+    PostThreadMessage(s_mainThreadId, WM_USER+1, 0, 0);
+}
+
+const DWORD dwStyle = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
+VISIRenderer* s_Renderer;
+
+static LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+    if (uMsg == WM_SIZING)
+    {
+        RECT& dragRect = reinterpret_cast<RECT&>(lParam);
+        RECT tmpRect = dragRect;
+        tmpRect.bottom = tmpRect.top + 512;
+        tmpRect.right = tmpRect.left + 768;
+        AdjustWindowRect(&tmpRect, dwStyle, FALSE);
+        dragRect = tmpRect;
+        return TRUE;
+    }
+    else if (uMsg == WM_CLOSE)
+    {
+        s_Renderer->Terminate();
+        return 0;
+    }
+    return DefWindowProc(hwnd, uMsg, wParam, lParam);
+}
+
+int wmain(int argc, const hecl::SystemChar** argv)
+{
+    logvisor::RegisterStandardExceptions();
+    logvisor::RegisterConsoleLogger();
+    atSetExceptionHandler(AthenaExc);
+    VISIRenderer renderer(argc, argv);
+    s_Renderer = &renderer;
+
+    WNDCLASS wndClass =
+    {
+        CS_NOCLOSE,
+        WindowProc,
+        0,
+        0,
+        GetModuleHandle(nullptr),
+        0,
+        0,
+        0,
+        0,
+        L"VISIGenWindow"
+    };
+    RegisterClassW(&wndClass);
+
+    RECT clientRect = {0, 0, 768, 512};
+    AdjustWindowRect(&clientRect, dwStyle, FALSE);
+
+    HWND window = CreateWindowW(L"VISIGenWindow", L"VISIGen", dwStyle,
+                                100, 100,
+                                clientRect.right - clientRect.left,
+                                clientRect.bottom - clientRect.top,
+                                NULL, NULL, NULL, NULL);
+
+    PIXELFORMATDESCRIPTOR pfd =
+    {
+        sizeof(PIXELFORMATDESCRIPTOR),
+        1,
+        PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL,    //Flags
+        PFD_TYPE_RGBA,            //The kind of framebuffer. RGBA or palette.
+        32,                        //Colordepth of the framebuffer.
+        0, 0, 0, 0, 0, 0,
+        0,
+        0,
+        0,
+        0, 0, 0, 0,
+        24,                        //Number of bits for the depthbuffer
+        8,                        //Number of bits for the stencilbuffer
+        0,                        //Number of Aux buffers in the framebuffer.
+        PFD_MAIN_PLANE,
+        0,
+        0, 0, 0
+    };
+
+    HDC deviceContext = GetDC(window);
+    int pf = ChoosePixelFormat(deviceContext, &pfd);
+    SetPixelFormat(deviceContext, pf, &pfd);
+    HGLRC glContext = wglCreateContext(deviceContext);
+    ShowWindow(window, SW_SHOW);
+
+    s_mainThreadId = GetCurrentThreadId();
+
+    /* Spawn client thread */
+    std::thread clientThread([&]()
+    {
+        wglMakeCurrent(deviceContext, glContext);
+        renderer.Run(UpdatePercent);
+        PostThreadMessage(s_mainThreadId, WM_USER, 0, 0);
+    });
+
+    /* Pump messages */
+    MSG msg = {0};
+    while (GetMessage(&msg, NULL, 0, 0))
+    {
+        if (!msg.hwnd)
+        {
+            /* PostThreadMessage events */
+            switch (msg.message)
+            {
+            case WM_USER:
+                /* Quit message from client thread */
+                PostQuitMessage(0);
+                continue;
+            case WM_USER+1:
+                /* Update window title from client thread */
+                wchar_t title[256];
+                StringCbPrintfW(title, 512, L"VISIGen [%g%%]", s_Percent * 100.f);
+                SetWindowTextW(window, title);
+                continue;
+            default: break;
+            }
+        }
+        TranslateMessage(&msg);
+        DispatchMessage(&msg);
+    }
+
+    renderer.Terminate();
+    if (clientThread.joinable())
+        clientThread.join();
+
+    wglDeleteContext(glContext);
+
+    return renderer.ReturnVal();
+}