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Merged
Fexty12573 merged 1 commit into from
May 27, 2026
Merged

Improve ImGui mouse blocking #65

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21 changes: 12 additions & 9 deletions SharpPluginLoader.Core/Rendering/Renderer.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -271,22 +271,25 @@ Initializing Renderer with
{
// Zero mouse delta used for camera movement.
MemoryUtil.GetRef<ulong>(m + 0xFC) = 0L; // dX(int), dY(int).
MemoryUtil.GetRef<byte>(m + 0x188) = 0x0; // Mouse down menu.
MemoryUtil.GetRef<byte>(m + 0x108) = 0x0; // Mouse down combat.
MemoryUtil.GetRef<byte>(m + 0x108) = 0x0; // Combat.
MemoryUtil.GetRef<byte>(m + 0x188) = 0x0; // Menu.
MemoryUtil.GetRef<byte>(m + 0x194) = 0x0; // Dialogue.
_lastUpdateHadFocus = true;
}
else if (anyHovered || _lastUpdateHadFocus)
{
// Block mouse1 clicks. Use _lastUpdateHadFocus to more consistently block
// a click used to unfocus the ImGui window.
ref byte downMenu = ref MemoryUtil.GetRef<byte>(m + 0x188);
ref byte downCombat = ref MemoryUtil.GetRef<byte>(m + 0x108);
if ((downMenu & 0x1) == 0 && (downCombat & 0x1) == 0) // Wait for release.
ref byte m1Combat = ref MemoryUtil.GetRef<byte>(m + 0x108);
ref byte m1Menu = ref MemoryUtil.GetRef<byte>(m + 0x188);
ref byte m1Dialogue = ref MemoryUtil.GetRef<byte>(m + 0x194);
if ((m1Combat & 0x1) == 0 && (m1Menu & 0x1) == 0 && (m1Dialogue & 0x1) == 0) // Wait for release.
{
_lastUpdateHadFocus = false;
}
downMenu &= 0xFE;
downCombat &= 0xFE;
m1Combat &= 0xFE;
m1Menu &= 0xFE;
m1Dialogue &= 0xFE;
}
});
}
Expand Down Expand Up @@ -356,7 +359,7 @@ Initializing Renderer with
_lastUpdateHadKeyboard = io.WantCaptureKeyboard || io.NavActive;
if (_lastUpdateHadKeyboard)
{
Unsafe.InitBlockUnaligned((byte*)state, 0, (uint)Marshal.SizeOf<KeyboardState>());
NativeMemory.Clear((byte*)state, (nuint)Marshal.SizeOf<KeyboardState>());
}
}
});
Expand Down Expand Up @@ -588,9 +591,9 @@ private static nint GetCursorPositionHook(nint app, out Point pos)
private delegate void MouseUpdateDelegate(nint sMhMouse);
private static Hook<GetCursorPositionDelegate> _getCursorPositionHook = null!;
private static Hook<MouseUpdateDelegate> _mouseUpdateHook = null!;
private static bool _lastUpdateHadFocus = false;
private delegate void KeyboardUpdateDelegate(nint sMhKeyboard, nint kbState);
private static Hook<KeyboardUpdateDelegate> _keyboardUpdateHook = null!;
private static bool _lastUpdateHadFocus = false;
private static bool _lastUpdateHadKeyboard = false;
private static Key? _waitForRelease = null;
private static bool _showMenu = false;
Expand Down
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