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physx/samples/sampleframework/platform/include/windows/WindowsSampleUserInput.h

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+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//  * Neither the name of NVIDIA CORPORATION nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
+
+#ifndef WINDOWS_SAMPLE_USER_INPUT_H
+#define WINDOWS_SAMPLE_USER_INPUT_H
+
+
+#include <SampleUserInput.h>
+#include <windows/WindowsSampleUserInputIds.h>
+#include <WTypes.h>
+#include <XInput.h>
+
+namespace SampleFramework
+{
+	class WindowsSampleUserInput: public SampleUserInput
+	{
+	public:
+		enum KeyEventFlag
+		{
+			KEY_EVENT_NONE = 0,
+			KEY_EVENT_UP,
+			KEY_EVENT_DOWN,
+		};
+
+		enum MouseButtons
+		{
+			LEFT_MOUSE_BUTTON,
+			RIGHT_MOUSE_BUTTON,
+			CENTER_MOUSE_BUTTON,
+		};
+
+		struct KeyEvent
+		{
+			WPARAM m_Param;
+			USHORT m_ScanCode;
+			KeyEventFlag m_Flags;
+		};
+
+		struct InputState
+		{
+			InputState()
+			{
+			};
+
+			InputState(bool val)
+			{
+				m_State = val;
+			};
+
+			InputState(float val)
+			{
+				m_Value = val;
+			};
+
+			union
+			{
+				bool	m_State;
+				float	m_Value;
+			};
+		};
+
+		WindowsSampleUserInput();
+		~WindowsSampleUserInput();
+
+		bool keyCodeToASCII( WindowsSampleUserInputIds code, char& c )
+		{
+			if( code >= KEY_A && code <= KEY_Z )
+			{
+				c = (char)code + 'A' - 1;
+			}
+			else if( code >= KEY_0 && code <= KEY_9 )
+			{
+				c = (char)code + '0' - 1;
+			}
+			else if( code == KEY_SPACE )
+			{
+				c = ' ';
+			}
+			else
+			{
+				return false;
+			}
+			return true;
+		}
+
+		void doOnMouseMove(physx::PxU32 x, physx::PxU32 y, physx::PxReal dx, physx::PxReal dy, WindowsSampleUserInputIds button);
+		void doOnMouseButton(physx::PxU32 x, physx::PxU32 y, MouseButtons button, bool down);
+		void onKeyDownEx(WPARAM wParam);
+		void onKeyDown(WPARAM wParam, LPARAM lParam);
+		void onKeyUp(WPARAM wParam, LPARAM lParam);
+		void onKeyEvent(const KeyEvent& keyEvent);
+
+		void onGamepadButton(physx::PxU32 buttonIndex, bool buttonDown);
+		void onGamepadAnalogButton(physx::PxU32 buttonIndex,const BYTE oldValue,const BYTE newValue);
+		void onGamepadAxis(physx::PxU32 axis, physx::PxReal val);
+
+		virtual void updateInput();
+		virtual void processGamepads();
+
+		virtual void shutdown();
+
+		virtual bool keyboardSupported() const { return true; }
+		virtual bool gamepadSupported() const;
+		virtual bool mouseSupported() const { return true; }
+		virtual InputType getInputType(const UserInput&) const;
+
+		virtual bool	getDigitalInputEventState(physx::PxU16 inputEventId ) const;
+		virtual float	getAnalogInputEventState(physx::PxU16 inputEventId ) const;
+
+	protected:
+		WindowsSampleUserInputIds	getKeyCode(WPARAM wParam) const;
+		SampleUserInput::KeyCode	getSampleUserInputKeyCode(WPARAM wParam) const;
+
+		const UserInput*			getUserInputFromId(WindowsSampleUserInputIds id) const;
+
+		bool						hasXInput() const { return mpXInputGetState && mpXInputGetCapabilities; }
+
+		std::map<physx::PxU16, physx::PxU16>	mScanCodesMap;
+		std::map<physx::PxU16,float>	mAnalogStates;
+		std::map<physx::PxU16,bool>		mDigitalStates;
+
+		bool							mGamePadConnected;
+		physx::PxU32					mConnectedPad;
+
+		typedef DWORD (WINAPI *LPXINPUTGETSTATE)(DWORD, XINPUT_STATE*);
+		typedef DWORD (WINAPI *LPXINPUTGETCAPABILITIES)(DWORD,DWORD,XINPUT_CAPABILITIES*);
+
+		HMODULE							mXInputLibrary;
+		LPXINPUTGETSTATE				mpXInputGetState;
+		LPXINPUTGETCAPABILITIES			mpXInputGetCapabilities;
+	};
+}
+
+#endif