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			140 lines
		
	
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			140 lines
		
	
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*************************************************************************/
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| /*  joypad_windows.h                                                     */
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| /*************************************************************************/
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| /*                       This file is part of:                           */
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| /*                           GODOT ENGINE                                */
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| /*                      https://godotengine.org                          */
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| /*************************************************************************/
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| /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
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| /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
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| /*                                                                       */
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| /* Permission is hereby granted, free of charge, to any person obtaining */
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| /* a copy of this software and associated documentation files (the       */
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| /* "Software"), to deal in the Software without restriction, including   */
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| /* without limitation the rights to use, copy, modify, merge, publish,   */
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| /* distribute, sublicense, and/or sell copies of the Software, and to    */
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| /* permit persons to whom the Software is furnished to do so, subject to */
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| /* the following conditions:                                             */
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| /*                                                                       */
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| /* The above copyright notice and this permission notice shall be        */
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| /* included in all copies or substantial portions of the Software.       */
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| /*                                                                       */
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| /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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| /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
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| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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| /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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| /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
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| /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
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| /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
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| /*************************************************************************/
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| 
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| #ifndef JOYPAD_WINDOWS_H
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| #define JOYPAD_WINDOWS_H
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| 
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| #include "os_windows.h"
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| 
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| #define DIRECTINPUT_VERSION 0x0800
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| #include <dinput.h>
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| #include <xinput.h> // on unix the file is called "xinput.h", on windows I'm sure it won't mind
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| 
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| #ifndef SAFE_RELEASE // when Windows Media Device M? is not present
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| #define SAFE_RELEASE(x) \
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| 	if (x != nullptr) { \
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| 		x->Release();   \
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| 		x = nullptr;    \
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| 	}
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| #endif
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| 
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| #ifndef XUSER_MAX_COUNT
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| #define XUSER_MAX_COUNT 4
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| #endif
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| 
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| class JoypadWindows {
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| public:
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| 	JoypadWindows();
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| 	JoypadWindows(HWND *hwnd);
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| 	~JoypadWindows();
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| 
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| 	void probe_joypads();
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| 	void process_joypads();
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| 
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| private:
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| 	enum {
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| 		JOYPADS_MAX = 16,
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| 		JOY_AXIS_COUNT = 6,
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| 		MIN_JOY_AXIS = 10,
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| 		MAX_JOY_AXIS = 32768,
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| 		MAX_JOY_BUTTONS = 128,
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| 		KEY_EVENT_BUFFER_SIZE = 512,
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| 		MAX_TRIGGER = 255
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| 	};
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| 
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| 	struct dinput_gamepad {
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| 		int id;
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| 		bool attached;
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| 		bool confirmed;
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| 		bool last_buttons[MAX_JOY_BUTTONS];
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| 		DWORD last_pad;
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| 
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| 		LPDIRECTINPUTDEVICE8 di_joy;
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| 		List<LONG> joy_axis;
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| 		GUID guid;
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| 
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| 		dinput_gamepad() {
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| 			id = -1;
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| 			last_pad = -1;
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| 			attached = false;
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| 			confirmed = false;
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| 
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| 			for (int i = 0; i < MAX_JOY_BUTTONS; i++)
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| 				last_buttons[i] = false;
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| 		}
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| 	};
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| 
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| 	struct xinput_gamepad {
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| 		int id = 0;
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| 		bool attached = false;
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| 		bool vibrating = false;
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| 		DWORD last_packet = 0;
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| 		XINPUT_STATE state;
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| 		uint64_t ff_timestamp = 0;
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| 		uint64_t ff_end_timestamp = 0;
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| 	};
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| 
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| 	typedef DWORD(WINAPI *XInputGetState_t)(DWORD dwUserIndex, XINPUT_STATE *pState);
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| 	typedef DWORD(WINAPI *XInputSetState_t)(DWORD dwUserIndex, XINPUT_VIBRATION *pVibration);
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| 
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| 	HWND *hWnd;
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| 	HANDLE xinput_dll;
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| 	LPDIRECTINPUT8 dinput;
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| 	Input *input;
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| 
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| 	int id_to_change;
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| 	int slider_count;
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| 	int joypad_count;
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| 	bool attached_joypads[JOYPADS_MAX];
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| 	dinput_gamepad d_joypads[JOYPADS_MAX];
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| 	xinput_gamepad x_joypads[XUSER_MAX_COUNT];
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| 
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| 	static BOOL CALLBACK enumCallback(const DIDEVICEINSTANCE *p_instance, void *p_context);
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| 	static BOOL CALLBACK objectsCallback(const DIDEVICEOBJECTINSTANCE *instance, void *context);
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| 
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| 	void setup_joypad_object(const DIDEVICEOBJECTINSTANCE *ob, int p_joy_id);
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| 	void close_joypad(int id = -1);
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| 	void load_xinput();
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| 	void unload_xinput();
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| 
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| 	void post_hat(int p_device, DWORD p_dpad);
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| 
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| 	bool have_device(const GUID &p_guid);
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| 	bool is_xinput_device(const GUID *p_guid);
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| 	bool setup_dinput_joypad(const DIDEVICEINSTANCE *instance);
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| 	void joypad_vibration_start_xinput(int p_device, float p_weak_magnitude, float p_strong_magnitude, float p_duration, uint64_t p_timestamp);
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| 	void joypad_vibration_stop_xinput(int p_device, uint64_t p_timestamp);
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| 
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| 	Input::JoyAxisValue axis_correct(int p_val, bool p_xinput = false, bool p_trigger = false, bool p_negate = false) const;
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| 	XInputGetState_t xinput_get_state;
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| 	XInputSetState_t xinput_set_state;
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| };
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| 
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| #endif // JOYPAD_WINDOWS_H
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