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[padExports]: add basic gamepad mappings (#16)

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This commit is contained in:
Vlad Denisov
2026-07-04 14:40:43 +03:00
committed by GitHub
parent df3ee02f8d
commit 757f6ea4b5
1 changed files with 69 additions and 4 deletions
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73
src/SharpEmu.Libs/Pad/PadExports.cs
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@@ -4,6 +4,7 @@
using SharpEmu.HLE;
using System.Buffers.Binary;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace SharpEmu.Libs.Pad;
@@ -58,6 +59,7 @@ public static class PadExports
return SetReturn(ctx, OrbisPadErrorDeviceNotConnected);
}
Console.Error.WriteLine("[LOADER][INFO] Keyboard controls: Arrow keys = D-pad, WASD = left stick, IJKL = right stick, Z/Enter = Cross, X/Esc = Circle, C = Square, V = Triangle, Q = L1, E = R1, R = L2, F = R2, Tab/Backspace = Options");
return SetReturn(ctx, PrimaryPadHandle);
}
@@ -162,10 +164,19 @@ public static class PadExports
{
Span<byte> data = stackalloc byte[PadDataSize];
data.Clear();
data[0x04] = 128;
data[0x05] = 128;
data[0x06] = 128;
data[0x07] = 128;
var acceptsKeyboardInput = IsEmulatorWindowFocused();
var buttons = acceptsKeyboardInput ? ReadKeyboardButtons() : 0;
BinaryPrimitives.WriteUInt32LittleEndian(data[0x00..], buttons);
var leftX = acceptsKeyboardInput ? ReadAnalogStick(IsKeyDown(0x41), IsKeyDown(0x44)) : (byte)128;
var leftY = acceptsKeyboardInput ? ReadAnalogStick(IsKeyDown(0x57), IsKeyDown(0x53)) : (byte)128;
var rightX = acceptsKeyboardInput ? ReadAnalogStick(IsKeyDown(0x4A), IsKeyDown(0x4C)) : (byte)128;
var rightY = acceptsKeyboardInput ? ReadAnalogStick(IsKeyDown(0x49), IsKeyDown(0x4B)) : (byte)128;
data[0x04] = leftX;
data[0x05] = leftY;
data[0x06] = rightX;
data[0x07] = rightY;
data[0x08] = acceptsKeyboardInput && IsKeyDown(0x52) ? (byte)255 : (byte)0;
data[0x09] = acceptsKeyboardInput && IsKeyDown(0x46) ? (byte)255 : (byte)0;
BinaryPrimitives.WriteSingleLittleEndian(data[0x18..], 1.0f);
data[0x4C] = 1;
var timestampTicks = Stopwatch.GetTimestamp();
@@ -185,4 +196,58 @@ public static class PadExports
ctx[CpuRegister.Rax] = unchecked((ulong)result);
return result;
}
[DllImport("user32.dll")]
private static extern short GetAsyncKeyState(int vKey);
[DllImport("user32.dll")]
private static extern nint GetForegroundWindow();
[DllImport("user32.dll")]
private static extern uint GetWindowThreadProcessId(nint hWnd, out uint processId);
private static bool IsKeyDown(int vk) =>
(GetAsyncKeyState(vk) & 0x8000) != 0;
private static bool IsEmulatorWindowFocused()
{
var foregroundWindow = GetForegroundWindow();
if (foregroundWindow == 0)
{
return false;
}
GetWindowThreadProcessId(foregroundWindow, out var processId);
return processId == (uint)Environment.ProcessId;
}
private static uint ReadKeyboardButtons()
{
uint buttons = 0;
// D-pad
if (IsKeyDown(0x25)) buttons |= 0x0080; // Left
if (IsKeyDown(0x27)) buttons |= 0x0020; // Right
if (IsKeyDown(0x26)) buttons |= 0x0010; // Up
if (IsKeyDown(0x28)) buttons |= 0x0040; // Down
// Face buttons
if (IsKeyDown(0x5A) || IsKeyDown(0x0D)) buttons |= 0x4000; // Z / Enter = Cross
if (IsKeyDown(0x58) || IsKeyDown(0x1B)) buttons |= 0x2000; // X / Escape = Circle
if (IsKeyDown(0x43)) buttons |= 0x8000; // C = Square
if (IsKeyDown(0x56)) buttons |= 0x1000; // V = Triangle
// Shoulder buttons
if (IsKeyDown(0x51)) buttons |= 0x0400; // Q = L1
if (IsKeyDown(0x45)) buttons |= 0x0800; // E = R1
if (IsKeyDown(0x52)) buttons |= 0x0100; // R = L2 (digital)
if (IsKeyDown(0x46)) buttons |= 0x0200; // F = R2 (digital)
// Options (Start)
if (IsKeyDown(0x09) || IsKeyDown(0x08)) buttons |= 0x0008; // Tab / Backspace = Options
return buttons;
}
private static byte ReadAnalogStick(bool negative, bool positive)
{
if (negative && !positive) return 0;
if (positive && !negative) return 255;
return 128;
}
}