fix: missing files; resize wm code

bounce_cpp/main.cpp

@@ -1,275 +1,367 @@
-#include <windows.h>
+/*
+Anytime I edit any C++ Code, in specifically Win32 code i get acute seizures cause of the naming
+conventions. I hope that whoever came up with these fuckass names gets fucked by a femboy. idk.
+
+Anyways this is under the AGPL3.0 License so do whatever you want under that license terms.
+
+Quick description of the app:
+    - A hyrax picture which bounces around your desktop, like bonzi buddy but not destructive, more of a fun thing which you can open
+    when you get bored.
+    - Run the exe youll find out.
+
+This is not malware or a virus, its purely for fun and entertainment purpouses.
+
+rattatwinko - 04/05/26
+*/
+
+#include <windows.h>
+#include <windowsx.h>
 #include <gdiplus.h>
-#include <cstring>
-#include <math.h>
 #include <objidl.h>
+#include <math.h>
+#include <cstring>
 
 #pragma comment(lib, "gdiplus.lib")
 
 using namespace Gdiplus;
 
-Image* LoadImageFromResource(int resId) {
+// consts
-    HRSRC hRes = FindResource(NULL, MAKEINTRESOURCE(resId), RT_RCDATA);
+static constexpr double GRAVITY = 1200.0;
-    if (!hRes) return NULL;
+static constexpr double RESTITUTION = 0.6;
+static constexpr double AIR_DRAG = 0.999;
+static constexpr double GROUND_FRICTION = 0.8;
+static constexpr double REST_THRESHOLD = 5.0;
+static constexpr UINT   TIMER_MS = 10;
+static constexpr int    IMAGE_RESOURCE = 111;
+static constexpr int    RESIZE_BORDER = 12;  // make wider so easier grab
 
-    DWORD size = SizeofResource(NULL, hRes);
+// globals
-    if (size == 0) return NULL;
+static ULONG_PTR  g_gdiplusToken = 0;
+static Image* g_image = nullptr;
+static int        g_winW = 640;
+static int        g_winH = 480;
+static LARGE_INTEGER g_freq = {};
 
-    HGLOBAL hData = LoadResource(NULL, hRes);
+// physics states
-    if (!hData) return NULL;
+static double g_x = 200.0, g_y = 50.0;
+static double g_vx = 0.0, g_vy = 0.0;
+static double g_lastTime = 0.0;
+
+// resize status
+static bool   g_resizing = false;
+static bool   g_dragging = false;
+static int    g_dragOffsetX = 0;
+static int    g_dragOffsetY = 0;
+static POINT  g_lastMouse = {};
+static double g_lastMouseTime = 0.0;
+
+// helper definitions
+static double Now() {
+    LARGE_INTEGER t;
+    QueryPerformanceCounter(&t);
+    return static_cast<double>(t.QuadPart) / static_cast<double>(g_freq.QuadPart);
+}
+
+static Image* LoadImageFromResource(HINSTANCE hInst, int resId) {
+    HRSRC hRes = FindResource(hInst, MAKEINTRESOURCE(resId), RT_RCDATA);
+    if (!hRes) return nullptr;
+
+    DWORD size = SizeofResource(hInst, hRes);
+    if (!size) return nullptr;
+
+    HGLOBAL hData = LoadResource(hInst, hRes);
+    if (!hData) return nullptr;
 
     void* pData = LockResource(hData);
-    if (!pData) return NULL;
+    if (!pData) return nullptr;
 
-    HGLOBAL hBuffer = GlobalAlloc(GMEM_MOVEABLE, size);
+    HGLOBAL hBuf = GlobalAlloc(GMEM_MOVEABLE, size);
-    if (!hBuffer) return NULL;
+    if (!hBuf) return nullptr;
 
-    void* pBuffer = GlobalLock(hBuffer);
+    void* pBuf = GlobalLock(hBuf);
-    if (!pBuffer) {
+    if (!pBuf) { GlobalFree(hBuf); return nullptr; }
-        GlobalFree(hBuffer);
-        return NULL;
-    }
 
-    memcpy(pBuffer, pData, size);
+    memcpy(pBuf, pData, size);
-    GlobalUnlock(hBuffer);
+    GlobalUnlock(hBuf);
 
-    IStream* stream = NULL;
+    IStream* stream = nullptr;
-    HRESULT hr = CreateStreamOnHGlobal(hBuffer, TRUE, &stream);
+    if (FAILED(CreateStreamOnHGlobal(hBuf, TRUE, &stream)) || !stream) {
-    if (FAILED(hr) || !stream) {
+        GlobalFree(hBuf);
-        GlobalFree(hBuffer);
+        return nullptr;
-        return NULL;
     }
 
     Image* img = Image::FromStream(stream);
     stream->Release();
 
     if (!img || img->GetLastStatus() != Ok) {
-        if (img) delete img;
+        delete img;
-        return NULL;
+        return nullptr;
     }
 
     return img;
 }
 
+// physics "engine"
+static void StepPhysics(double dt) {
+    const int screenW = GetSystemMetrics(SM_CXSCREEN);
+    const int screenH = GetSystemMetrics(SM_CYSCREEN);
 
-double x = 200.0, y = 50.0;
+    g_vy += GRAVITY * dt;
-double vx = 0.0, vy = 0.0;
+    g_vx *= AIR_DRAG;
+    g_vy *= AIR_DRAG;
 
-double gravity = 1200.0;
+    g_x += g_vx * dt;
-double restitution = 0.6;
+    g_y += g_vy * dt;
-double air_drag = 0.999;
-double ground_friction = 0.8;
 
-int win_w = 640;
+    // left/ right monitor borders
-int win_h = 480;
+    if (g_x < 0.0) {
+        g_x = 0.0;
+        g_vx = -g_vx * RESTITUTION;
+    }
+    else if (g_x > screenW - g_winW) {
+        g_x = static_cast<double>(screenW - g_winW);
+        g_vx = -g_vx * RESTITUTION;
+    }
 
-int dragging = 0;
+    // top
-int offset_x = 0, offset_y = 0;
+    if (g_y < 0.0) {
+        g_y = 0.0;
+        g_vy = -g_vy * RESTITUTION;
+    }
 
-POINT last_mouse;
+    // bottom
-double last_mouse_time = 0.0;
+    if (g_y > screenH - g_winH) {
-double last_time = 0.0;
+        g_y = static_cast<double>(screenH - g_winH);
-
+        g_vy = -g_vy * RESTITUTION;
-LARGE_INTEGER freq;
+        g_vx *= GROUND_FRICTION;
-
+        if (fabs(g_vy) < REST_THRESHOLD)
-ULONG_PTR gdiplusToken;
+            g_vy = 0.0;
-Image* img = NULL;
+    }
-
-
-double now_time() {
-    LARGE_INTEGER t;
-    QueryPerformanceCounter(&t);
-    return (double)t.QuadPart / (double)freq.QuadPart;
 }
 
-
+// win api window proc
-LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
+static LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
     switch (msg) {
 
+    // init the window
     case WM_CREATE: {
-        QueryPerformanceFrequency(&freq);
+        QueryPerformanceFrequency(&g_freq);
 
-        GdiplusStartupInput gdiplusStartupInput;
+        GdiplusStartupInput si;
-        GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
+        GdiplusStartup(&g_gdiplusToken, &si, nullptr);
 
-        img = LoadImageFromResource(111);
+        HINSTANCE hInst = reinterpret_cast<CREATESTRUCT*>(lParam)->hInstance;
+        g_image = LoadImageFromResource(hInst, IMAGE_RESOURCE);
 
-        if (!img || img->GetLastStatus() != Ok) {
+        if (g_image) {
-            // MessageBoxA(NULL, "Image failed to load", "Error", MB_OK);
+            g_winW = static_cast<int>(g_image->GetWidth());
-        }
+            g_winH = static_cast<int>(g_image->GetHeight());
-        else {
+            SetWindowPos(hwnd, nullptr, 0, 0, g_winW, g_winH,
-            win_w = 640;
+                SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
-            win_h = 480;
-            SetWindowPos(hwnd, NULL, 0, 0, win_w, win_h, SWP_NOMOVE);
         }
 
-        SetTimer(hwnd, 1, 10, NULL);
+        g_lastTime = Now();
+        g_lastMouseTime = g_lastTime;
 
-        last_time = now_time();
+        SetTimer(hwnd, 1, TIMER_MS, nullptr);
-        last_mouse_time = last_time;
         break;
     }
 
+    // drag start
     case WM_LBUTTONDOWN: {
-        dragging = 1;
+        g_dragging = true;
-        offset_x = LOWORD(lParam);
+        g_dragOffsetX = GET_X_LPARAM(lParam);
-        offset_y = HIWORD(lParam);
+        g_dragOffsetY = GET_Y_LPARAM(lParam);
+        g_vx = g_vy = 0.0;
 
-        vx = vy = 0;
+        GetCursorPos(&g_lastMouse);
-
+        g_lastMouseTime = Now();
-        GetCursorPos(&last_mouse);
-        last_mouse_time = now_time();
 
         SetCapture(hwnd);
         break;
     }
 
-    case WM_SETCURSOR:
+    // drag move
-        if (dragging)
+    case WM_MOUSEMOVE: {
-            SetCursor(LoadCursor(NULL, IDC_SIZEALL));
+        if (!g_dragging) break;
-        else
-            SetCursor(LoadCursor(NULL, IDC_HAND));
-        return TRUE;
 
-    case WM_MOUSEMOVE:
+        POINT p;
-        if (dragging) {
+        GetCursorPos(&p);
-            POINT p;
-            GetCursorPos(&p);
 
-            double now = now_time();
+        const double now = Now();
-            double dt = now - last_mouse_time;
+        const double dt = now - g_lastMouseTime;
 
-            if (dt > 0) {
+        if (dt > 0.0) {
-                vx = (p.x - last_mouse.x) / dt;
+            g_vx = (p.x - g_lastMouse.x) / dt;
-                vy = (p.y - last_mouse.y) / dt;
+            g_vy = (p.y - g_lastMouse.y) / dt;
-            }
-
-            last_mouse = p;
-            last_mouse_time = now;
-
-            x = p.x - offset_x;
-            y = p.y - offset_y;
-
-            SetWindowPos(hwnd, NULL, (int)x, (int)y, 0, 0,
-                SWP_NOSIZE | SWP_NOZORDER);
         }
-        break;
 
+        g_lastMouse = p;
+        g_lastMouseTime = now;
+
+        g_x = p.x - g_dragOffsetX;
+        g_y = p.y - g_dragOffsetY;
+
+        SetWindowPos(hwnd, nullptr, static_cast<int>(g_x), static_cast<int>(g_y),
+            0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
+        break;
+    }
+
+    // drag end
     case WM_LBUTTONUP:
-        dragging = 0;
+        g_dragging = false;
         ReleaseCapture();
         break;
         
+    // while dragging nutz accross fohead disable OS from doing shit
+    case WM_ENTERSIZEMOVE:
+        g_resizing = true;
+        break;
+
+    case WM_EXITSIZEMOVE: {
+        g_resizing = false;
+        g_vx = g_vy = 0.0;
+
+        // sync gx/y with resized cords
+        RECT r;
+        GetWindowRect(hwnd, &r);
+        g_x = static_cast<double>(r.left);
+        g_y = static_cast<double>(r.top);
+
+        g_lastTime = Now();  // after everything is clean then redraw
+        break;
+    }
+
+    // weird asf logic
+    case WM_NCHITTEST: {
+        POINT p = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
+        RECT  r;
+        GetWindowRect(hwnd, &r);
+
+        const bool left = p.x < r.left + RESIZE_BORDER;
+        const bool right = p.x >= r.right - RESIZE_BORDER;
+        const bool top = p.y < r.top + RESIZE_BORDER;
+        const bool bottom = p.y >= r.bottom - RESIZE_BORDER;
+
+        if (top && left)  return HTTOPLEFT;
+        if (top && right) return HTTOPRIGHT;
+        if (bottom && left)  return HTBOTTOMLEFT;
+        if (bottom && right) return HTBOTTOMRIGHT;
+        if (left)            return HTLEFT;
+        if (right)           return HTRIGHT;
+        if (top)             return HTTOP;
+        if (bottom)          return HTBOTTOM;
+        return HTCLIENT;
+    }
+
+    // sync dimensions after resizing
+    case WM_SIZE:
+        g_winW = LOWORD(lParam);
+        g_winH = HIWORD(lParam);
+        InvalidateRect(hwnd, nullptr, FALSE);
+        break;
+
+    // cursor, bunch of this dont work
+    case WM_SETCURSOR:
+        if (LOWORD(lParam) == HTCLIENT) {
+            SetCursor(LoadCursor(nullptr, g_dragging ? IDC_SIZEALL : IDC_HAND));
+            return TRUE;
+        }
+        return DefWindowProcW(hwnd, msg, wParam, lParam);
+
+    // phyisks tick
     case WM_TIMER: {
-        double now = now_time();
+        const double now = Now();
-        double dt = now - last_time;
+        const double dt = now - g_lastTime;
-        last_time = now;
+        g_lastTime = now;
 
-        int screen_w = GetSystemMetrics(SM_CXSCREEN);
+        if (!g_dragging && !g_resizing) {
-        int screen_h = GetSystemMetrics(SM_CYSCREEN);
+            StepPhysics(dt);
-
+            SetWindowPos(hwnd, nullptr, static_cast<int>(g_x), static_cast<int>(g_y),
-        if (!dragging) {
+                0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
-            vy += gravity * dt;
-
-            vx *= air_drag;
-            vy *= air_drag;
-
-            x += vx * dt;
-            y += vy * dt;
-
-            if (x <= 0) {
-                x = 0;
-                vx = -vx * restitution;
-            }
-            else if (x >= screen_w - win_w) {
-                x = screen_w - win_w;
-                vx = -vx * restitution;
-            }
-
-            if (y >= screen_h - win_h) {
-                y = screen_h - win_h;
-                vy = -vy * restitution;
-                vx *= ground_friction;
-
-                if (fabs(vy) < 5)
-                    vy = 0;
-            }
-
-            if (y <= 0) {
-                y = 0;
-                vy = -vy * restitution;
-            }
-
-            SetWindowPos(hwnd, NULL, (int)x, (int)y, 0, 0,
-                SWP_NOSIZE | SWP_NOZORDER);
         }
         break;
     }
 
+    // pablo picasso
     case WM_PAINT: {
         PAINTSTRUCT ps;
         HDC hdc = BeginPaint(hwnd, &ps);
 
-        Graphics g(hdc);
+        // db to avoid me floppin on the floor like a fish (cause of flashing lights)
+        HDC     memDC = CreateCompatibleDC(hdc);
+        HBITMAP memBmp = CreateCompatibleBitmap(hdc, g_winW, g_winH);
+        HGDIOBJ old = SelectObject(memDC, memBmp);
 
-        if (img)
+        Graphics g(memDC);
-            g.DrawImage(img, 0, 0, win_w, win_h);
+        g.SetInterpolationMode(InterpolationModeHighQualityBicubic);
+
+        if (g_image)
+            g.DrawImage(g_image, 0, 0, g_winW, g_winH);
+
+        BitBlt(hdc, 0, 0, g_winW, g_winH, memDC, 0, 0, SRCCOPY);
+
+        SelectObject(memDC, old);
+        DeleteObject(memBmp);
+        DeleteDC(memDC);
 
         EndPaint(hwnd, &ps);
         break;
     }
 
+    // escape destroy
     case WM_KEYDOWN:
         if (wParam == VK_ESCAPE)
             DestroyWindow(hwnd);
+        else if (wParam == VK_SPACE)
+            DestroyWindow(hwnd);
         break;
 
+    // consuela
     case WM_DESTROY:
-        if (img) delete img;
+        KillTimer(hwnd, 1);
-        GdiplusShutdown(gdiplusToken);
+        delete g_image;
+        g_image = nullptr;
+        GdiplusShutdown(g_gdiplusToken);
         PostQuitMessage(0);
         break;
-    }
 
-    return DefWindowProcW(hwnd, msg, wParam, lParam);
+    default:
-}
+        return DefWindowProcW(hwnd, msg, wParam, lParam);
-
-
-static int WINAPI wWinMain(
-    HINSTANCE hInstance,
-    HINSTANCE,
-    PWSTR,
-    int nCmdShow
-) {
-
-    if (IsDebuggerPresent())
-        return 0;
-
-    WNDCLASSW wc = { 0 };
-    wc.lpfnWndProc = WndProc;
-    wc.hInstance = hInstance;
-    wc.lpszClassName = L"Hyrax";
-    wc.hCursor = LoadCursor(NULL, IDC_HAND);
-
-    RegisterClassW(&wc);
-
-    HWND hwnd = CreateWindowExW(
-        WS_EX_TOPMOST,
-        L"Hyrax",
-        L"",
-        WS_POPUP,
-        (int)x, (int)y,
-        win_w, win_h,
-        NULL, NULL, hInstance, NULL
-    );
-
-    ShowWindow(hwnd, nCmdShow);
-
-    MSG msg;
-    while (GetMessageW(&msg, NULL, 0, 0)) {
-        TranslateMessage(&msg);
-        DispatchMessageW(&msg);
     }
 
     return 0;
 }
+
+// right around the entry point (reference to asshair guy)
+int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE, PWSTR, int nCmdShow) {
+    WNDCLASSW wc = {};
+    wc.lpfnWndProc = WndProc;
+    wc.hInstance = hInstance;
+    wc.lpszClassName = L"Hyrax";
+    wc.hCursor = LoadCursor(nullptr, IDC_HAND);
+    RegisterClassW(&wc);
+
+    HWND hwnd = CreateWindowExW(
+        WS_EX_TOPMOST,
+        L"Hyrax", L"",
+        WS_POPUP,
+        static_cast<int>(g_x), static_cast<int>(g_y),
+        g_winW, g_winH,
+        nullptr, nullptr, hInstance, nullptr
+    );
+
+    if (!hwnd)
+        return 1;
+
+    ShowWindow(hwnd, nCmdShow);
+    UpdateWindow(hwnd);
+
+    MSG msg;
+    while (GetMessageW(&msg, nullptr, 0, 0)) {
+        TranslateMessage(&msg);
+        DispatchMessageW(&msg);
+    }
+
+    return static_cast<int>(msg.wParam);
+}