Simple DirectInput support

BeefLibs/Beefy2D/src/input/InputManager.bf

@@ -0,0 +1,49 @@
+using System;
+
+namespace Beefy.input
+{
+	class InputDevice
+	{
+		[CallingConvention(.Stdcall), CLink]
+		public static extern void BFInput_Destroy(void* nativeInputDevice);
+
+		[CallingConvention(.Stdcall), CLink]
+		public static extern char8* BFInput_GetState(void* nativeInputDevice);
+
+		void* mNativeInputDevice;
+
+		public ~this()
+		{
+			BFInput_Destroy(mNativeInputDevice);
+		}
+
+		public void GetState(String outStr)
+		{
+			outStr.Append(BFInput_GetState(mNativeInputDevice));
+		}
+	}
+
+	class InputManager
+	{
+		[CallingConvention(.Stdcall), CLink]
+		public static extern char8* BFApp_EnumerateInputDevices();
+
+		[CallingConvention(.Stdcall), CLink]
+		public static extern void* BFApp_CreateInputDevice(char8* guid);
+
+		public void EnumerateInputDevices(String outData)
+		{
+			outData.Append(BFApp_EnumerateInputDevices());
+		}
+
+		public InputDevice CreateInputDevice(StringView guid)
+		{
+			void* nativeInputDevice = BFApp_CreateInputDevice(guid.ToScopeCStr!());
+			if (nativeInputDevice == null)
+				return null;
+			InputDevice inputDevice = new .();
+			inputDevice.[Friend]mNativeInputDevice = nativeInputDevice;
+			return inputDevice;
+		}
+	}
+}

BeefySysLib/platform/win/DInputManager.cpp

@@ -0,0 +1,128 @@
+#include "DInputManager.h"
+#include "WinBFApp.h"
+
+#pragma comment (lib, "dinput8.lib")
+#pragma comment (lib, "dxguid.lib")
+
+USING_NS_BF;
+
+static BOOL DIEnumDevicesCallback(LPCDIDEVICEINSTANCE lpddi, LPVOID pvRef)
+{
+	DInputManager* _this = (DInputManager*)pvRef;
+
+	_this->mEnumData += StrFormat("%s\t%s", UTF8Encode(lpddi->tszInstanceName).c_str(), UTF8Encode(lpddi->tszProductName).c_str());
+
+	auto guid = lpddi->guidInstance;
+	_this->mEnumData += StrFormat("\t%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X",
+		guid.Data1, guid.Data2, guid.Data3,
+		guid.Data4[0], guid.Data4[1], guid.Data4[2], guid.Data4[3],
+		guid.Data4[4], guid.Data4[5], guid.Data4[6], guid.Data4[7]);
+
+	//OutputDebugStrF("Device: %s %s\n", lpddi->tszInstanceName, lpddi->tszProductName);
+
+	_this->mEnumData += "\n";
+
+	return TRUE;
+}
+
+DInputManager::DInputManager()
+{	
+	mDirectInput = NULL;
+	//TODO: This doesn't work for DLLs
+	DirectInput8Create(::GetModuleHandle(NULL), DIRECTINPUT_VERSION, IID_IDirectInput8, (void**)&mDirectInput, NULL);	
+
+	if (mDirectInput == NULL)
+		return;	
+}
+
+DInputManager::~DInputManager()
+{
+	mDirectInput->Release();
+}
+
+DInputDevice* DInputManager::CreateInputDevice(const StringImpl& guidStr)
+{
+	UUID guid = { 0 };
+	UuidFromStringA((RPC_CSTR)guidStr.c_str(), &guid);
+
+	LPDIRECTINPUTDEVICE8 device = NULL;
+	mDirectInput->CreateDevice(guid, &device, NULL);
+
+	if (device == NULL)
+		return NULL;
+
+	HRESULT result = 0;
+
+	DInputDevice* inputDevice = new DInputDevice();
+	inputDevice->mDirectInputDevice = device;
+
+	WinBFWindow* window = NULL;
+	for (auto checkWindow : gBFApp->mWindowList)
+	{
+		window = (WinBFWindow*)checkWindow;
+		break;
+	}
+
+	if (window != NULL)
+	{
+		result = device->SetCooperativeLevel(window->mHWnd, DISCL_BACKGROUND | DISCL_NONEXCLUSIVE);
+	}
+
+	result = device->SetDataFormat(&c_dfDIJoystick2);
+	
+	return inputDevice;
+}
+
+String DInputManager::EnumerateDevices()
+{
+	mEnumData.Clear();
+	if (mDirectInput != NULL)
+		mDirectInput->EnumDevices(DI8DEVCLASS_ALL, DIEnumDevicesCallback, this, DIEDFL_ATTACHEDONLY);
+	return mEnumData;
+}
+
+DInputDevice::~DInputDevice()
+{
+	mDirectInputDevice->Release();
+}
+
+String DInputDevice::GetState()
+{
+	DIJOYSTATE2 joyState = { 0 };
+	HRESULT result = mDirectInputDevice->Poll();
+	if (FAILED(result))
+	{
+		result = mDirectInputDevice->Acquire();
+		while (result == DIERR_INPUTLOST)
+			result = mDirectInputDevice->Acquire();
+	}
+
+	result = mDirectInputDevice->GetDeviceState(sizeof(joyState), &joyState);
+
+	String str;
+	if (!FAILED(result))
+	{
+		if (joyState.lX != 0)
+			str += StrFormat("X\t%d\n", joyState.lX);
+		if (joyState.lY != 0)
+			str += StrFormat("Y\t%d\n", joyState.lY);
+		if (joyState.lZ != 0)
+			str += StrFormat("Z\t%d\n", joyState.lZ);
+
+		//str += StrFormat("X\t%d\nY\t%d\nZ\t%d\n", joyState.lX, joyState.lY, joyState.lZ);
+
+		for (int i = 0; i < 128; i++)
+		{
+			if (joyState.rgbButtons[i] != 0)
+			{
+				str += StrFormat("Btn\t%d\n", i);
+			}
+		}
+	}
+	else
+	{
+		str += "!FAILED";
+	}
+
+	return str;
+}

BeefySysLib/platform/win/DInputManager.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "../../BeefySysLib/Common.h"
+#include "../../BeefySysLib/BFApp.h"
+
+#define DIRECTINPUT_VERSION 0x0800
+#include <dinput.h>
+
+NS_BF_BEGIN
+
+class DInputDevice : public BFInputDevice
+{
+public:
+	LPDIRECTINPUTDEVICE8 mDirectInputDevice;
+
+public:
+	~DInputDevice();	
+	virtual String GetState() override;
+};
+
+class DInputManager
+{
+public:
+	LPDIRECTINPUT8 mDirectInput;
+	String mEnumData;
+
+public:
+	DInputManager();
+	~DInputManager();
+
+	String EnumerateDevices();
+	DInputDevice* CreateInputDevice(const StringImpl& guid);
+};
+
+NS_BF_END