Initial public release of rem-essentials

third_party/flsharp/include/resolutions.h

@@ -0,0 +1,70 @@
+#pragma once
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#include "Freelancer.h"
+
+#define MIN_RES_WIDTH 800
+#define MIN_RES_HEIGHT 600
+
+#define NN_PREFERENCES_ALLOC_SIZE_PTR 0x4B296A
+#define NN_PREFERENCES_ALLOC_SIZE 0x980
+
+struct WidthHeight
+{
+    UINT width, height;
+
+    bool Equals(const WidthHeight &other)
+    {
+        return memcmp(this, &other, sizeof(other)) == 0;
+    }
+};
+
+struct ResolutionInfo
+{
+    ResolutionInfo(UINT width, UINT height, UINT bpp)
+        : width(width), height(height), bpp(bpp)
+    {}
+
+    // bpp = bits per pixel. FL appears to only support 16 and 32
+    UINT width, height, bpp;
+
+    // First sort by bpp, then width, then height, all in ascending order
+    bool operator < (const ResolutionInfo& other) const
+    {
+        if (bpp != other.bpp)
+            return bpp < other.bpp;
+        else if (width != other.width)
+            return width < other.width;
+        else
+            return height < other.height;
+    }
+};
+
+struct ResolutionInitInfo
+{
+    BYTE x00[0x8];
+    ResolutionInfo resolutionInfo;
+};
+
+inline bool IsResolutionAllowed(const DEVMODE &dm)
+{
+    return dm.dmPelsWidth >= MIN_RES_WIDTH && dm.dmPelsHeight >= MIN_RES_HEIGHT && (dm.dmBitsPerPel == 16 || dm.dmBitsPerPel == 32);
+}
+
+// Returns true if the given resolution is narrower than 4:3.
+inline bool IsResolutionNarrow(UINT width, UINT height)
+{
+    #define MIN_4_BY_3_FACTOR (4.0f / 3.0f) - 0.02f
+
+    if (height == 0)
+        return true;
+
+    return ((float) width / (float) height) < MIN_4_BY_3_FACTOR;
+}
+
+bool ResolutionInit(HWND windowHandle, ResolutionInitInfo& info, DWORD windowFlags);
+
+void InitBetterResolutions();
+void CleanupBetterResolutions();