764 lines
25 KiB
C
764 lines
25 KiB
C
//========================================================================
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// GLFW 3.1 Win32 - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h"
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#include <math.h>
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#include <initguid.h>
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#define _GLFW_PRESENCE_ONLY 1
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#define _GLFW_UPDATE_STATE 2
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#define _GLFW_TYPE_AXIS 0
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#define _GLFW_TYPE_SLIDER 1
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#define _GLFW_TYPE_BUTTON 2
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#define _GLFW_TYPE_POV 3
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// Data produced with DirectInput device object enumeration
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//
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typedef struct _GLFWobjenumWin32
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{
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IDirectInputDevice8W* device;
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_GLFWjoyobjectWin32* objects;
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int objectCount;
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int axisCount;
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int sliderCount;
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int buttonCount;
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int povCount;
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} _GLFWobjenumWin32;
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// Define only the necessary GUIDs (it's bad enough that we're exporting these)
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//
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DEFINE_GUID(IID_IDirectInput8W,0xbf798031,0x483a,0x4da2,0xaa,0x99,0x5d,0x64,0xed,0x36,0x97,0x00);
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DEFINE_GUID(GUID_XAxis,0xa36d02e0,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
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DEFINE_GUID(GUID_YAxis,0xa36d02e1,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
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DEFINE_GUID(GUID_ZAxis,0xa36d02e2,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
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DEFINE_GUID(GUID_RxAxis,0xa36d02f4,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
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DEFINE_GUID(GUID_RyAxis,0xa36d02f5,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
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DEFINE_GUID(GUID_RzAxis,0xa36d02e3,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
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DEFINE_GUID(GUID_Slider,0xa36d02e4,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
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DEFINE_GUID(GUID_Button,0xa36d02f0,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
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DEFINE_GUID(GUID_POV,0xa36d02f2,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
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// Object data array for our clone of c_dfDIJoystick
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// Generated with https://github.com/elmindreda/c_dfDIJoystick2
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//
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static DIOBJECTDATAFORMAT _glfwObjectDataFormats[] =
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{
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{ &GUID_XAxis,DIJOFS_X,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
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{ &GUID_YAxis,DIJOFS_Y,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
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{ &GUID_ZAxis,DIJOFS_Z,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
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{ &GUID_RxAxis,DIJOFS_RX,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
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{ &GUID_RyAxis,DIJOFS_RY,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
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{ &GUID_RzAxis,DIJOFS_RZ,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
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{ &GUID_Slider,DIJOFS_SLIDER(0),DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
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{ &GUID_Slider,DIJOFS_SLIDER(1),DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
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{ &GUID_POV,DIJOFS_POV(0),DIDFT_POV|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ &GUID_POV,DIJOFS_POV(1),DIDFT_POV|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ &GUID_POV,DIJOFS_POV(2),DIDFT_POV|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ &GUID_POV,DIJOFS_POV(3),DIDFT_POV|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(0),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(1),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(2),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(3),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(4),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(5),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(6),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(7),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(8),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(9),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(10),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(11),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(12),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(13),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(14),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(15),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(16),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(17),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(18),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(19),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(20),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(21),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(22),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(23),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(24),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(25),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(26),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(27),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(28),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(29),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(30),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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{ NULL,DIJOFS_BUTTON(31),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
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};
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// Our clone of c_dfDIJoystick
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//
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static const DIDATAFORMAT _glfwDataFormat =
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{
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sizeof(DIDATAFORMAT),
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sizeof(DIOBJECTDATAFORMAT),
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DIDFT_ABSAXIS,
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sizeof(DIJOYSTATE),
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sizeof(_glfwObjectDataFormats) / sizeof(DIOBJECTDATAFORMAT),
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_glfwObjectDataFormats
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};
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// Returns a description fitting the specified XInput capabilities
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//
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static const char* getDeviceDescription(const XINPUT_CAPABILITIES* xic)
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{
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switch (xic->SubType)
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{
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case XINPUT_DEVSUBTYPE_WHEEL:
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return "XInput Wheel";
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case XINPUT_DEVSUBTYPE_ARCADE_STICK:
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return "XInput Arcade Stick";
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case XINPUT_DEVSUBTYPE_FLIGHT_STICK:
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return "XInput Flight Stick";
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case XINPUT_DEVSUBTYPE_DANCE_PAD:
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return "XInput Dance Pad";
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case XINPUT_DEVSUBTYPE_GUITAR:
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return "XInput Guitar";
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case XINPUT_DEVSUBTYPE_DRUM_KIT:
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return "XInput Drum Kit";
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case XINPUT_DEVSUBTYPE_GAMEPAD:
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{
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if (xic->Flags & XINPUT_CAPS_WIRELESS)
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return "Wireless Xbox 360 Controller";
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else
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return "Xbox 360 Controller";
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}
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}
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return "Unknown XInput Device";
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}
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// Lexically compare device objects
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//
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static int compareJoystickObjects(const void* first, const void* second)
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{
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const _GLFWjoyobjectWin32* fo = first;
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const _GLFWjoyobjectWin32* so = second;
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if (fo->type != so->type)
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return fo->type - so->type;
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return fo->offset - so->offset;
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}
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// Checks whether the specified device supports XInput
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// Technique from FDInputJoystickManager::IsXInputDeviceFast in ZDoom
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//
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static GLFWbool supportsXInput(const GUID* guid)
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{
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UINT i, count = 0;
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RAWINPUTDEVICELIST* ridl;
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GLFWbool result = GLFW_FALSE;
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if (GetRawInputDeviceList(NULL, &count, sizeof(RAWINPUTDEVICELIST)) != 0)
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return GLFW_FALSE;
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ridl = calloc(count, sizeof(RAWINPUTDEVICELIST));
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if (GetRawInputDeviceList(ridl, &count, sizeof(RAWINPUTDEVICELIST)) == (UINT) -1)
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{
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free(ridl);
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return GLFW_FALSE;
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}
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for (i = 0; i < count; i++)
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{
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RID_DEVICE_INFO rdi;
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char name[256];
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UINT size;
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if (ridl[i].dwType != RIM_TYPEHID)
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continue;
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ZeroMemory(&rdi, sizeof(rdi));
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rdi.cbSize = sizeof(rdi);
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size = sizeof(rdi);
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if ((INT) GetRawInputDeviceInfoA(ridl[i].hDevice,
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RIDI_DEVICEINFO,
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&rdi, &size) == -1)
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{
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continue;
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}
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if (MAKELONG(rdi.hid.dwVendorId, rdi.hid.dwProductId) != (LONG) guid->Data1)
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continue;
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memset(name, 0, sizeof(name));
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size = sizeof(name);
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if ((INT) GetRawInputDeviceInfoA(ridl[i].hDevice,
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RIDI_DEVICENAME,
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name, &size) == -1)
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{
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break;
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}
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name[sizeof(name) - 1] = '\0';
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if (strstr(name, "IG_"))
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{
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result = GLFW_TRUE;
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break;
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}
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}
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free(ridl);
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return result;
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}
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// Frees all resources associated with the specified joystick
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//
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static void closeJoystick(_GLFWjoystickWin32* js)
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{
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if (js->device)
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{
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IDirectInputDevice8_Unacquire(js->device);
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IDirectInputDevice8_Release(js->device);
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}
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free(js->name);
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free(js->axes);
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free(js->buttons);
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free(js->objects);
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memset(js, 0, sizeof(_GLFWjoystickWin32));
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_glfwInputJoystickChange((int) (js - _glfw.win32_js), GLFW_DISCONNECTED);
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}
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// DirectInput device object enumeration callback
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// Insights gleaned from SDL2
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//
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static BOOL CALLBACK deviceObjectCallback(const DIDEVICEOBJECTINSTANCEW* doi,
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void* user)
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{
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_GLFWobjenumWin32* data = user;
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_GLFWjoyobjectWin32* object = data->objects + data->objectCount;
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if (DIDFT_GETTYPE(doi->dwType) & DIDFT_AXIS)
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{
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DIPROPRANGE dipr;
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if (memcmp(&doi->guidType, &GUID_Slider, sizeof(GUID)) == 0)
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object->offset = DIJOFS_SLIDER(data->sliderCount);
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else if (memcmp(&doi->guidType, &GUID_XAxis, sizeof(GUID)) == 0)
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object->offset = DIJOFS_X;
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else if (memcmp(&doi->guidType, &GUID_YAxis, sizeof(GUID)) == 0)
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object->offset = DIJOFS_Y;
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else if (memcmp(&doi->guidType, &GUID_ZAxis, sizeof(GUID)) == 0)
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object->offset = DIJOFS_Z;
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else if (memcmp(&doi->guidType, &GUID_RxAxis, sizeof(GUID)) == 0)
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object->offset = DIJOFS_RX;
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else if (memcmp(&doi->guidType, &GUID_RyAxis, sizeof(GUID)) == 0)
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object->offset = DIJOFS_RY;
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else if (memcmp(&doi->guidType, &GUID_RzAxis, sizeof(GUID)) == 0)
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object->offset = DIJOFS_RZ;
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else
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return DIENUM_CONTINUE;
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ZeroMemory(&dipr, sizeof(dipr));
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dipr.diph.dwSize = sizeof(dipr);
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dipr.diph.dwHeaderSize = sizeof(dipr.diph);
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dipr.diph.dwObj = doi->dwType;
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dipr.diph.dwHow = DIPH_BYID;
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dipr.lMin = -32768;
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dipr.lMax = 32767;
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if (FAILED(IDirectInputDevice8_SetProperty(data->device,
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DIPROP_RANGE,
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&dipr.diph)))
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{
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return DIENUM_CONTINUE;
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}
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if (memcmp(&doi->guidType, &GUID_Slider, sizeof(GUID)) == 0)
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{
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object->type = _GLFW_TYPE_SLIDER;
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data->sliderCount++;
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}
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else
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{
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object->type = _GLFW_TYPE_AXIS;
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data->axisCount++;
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}
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}
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else if (DIDFT_GETTYPE(doi->dwType) & DIDFT_BUTTON)
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{
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object->offset = DIJOFS_BUTTON(data->buttonCount);
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object->type = _GLFW_TYPE_BUTTON;
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data->buttonCount++;
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}
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else if (DIDFT_GETTYPE(doi->dwType) & DIDFT_POV)
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{
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object->offset = DIJOFS_POV(data->povCount);
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object->type = _GLFW_TYPE_POV;
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data->povCount++;
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}
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data->objectCount++;
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return DIENUM_CONTINUE;
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}
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// DirectInput device enumeration callback
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//
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static BOOL CALLBACK deviceCallback(const DIDEVICEINSTANCE* di, void* user)
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{
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int joy = 0;
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DIDEVCAPS dc;
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DIPROPDWORD dipd;
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IDirectInputDevice8* device;
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_GLFWobjenumWin32 data;
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_GLFWjoystickWin32* js;
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for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
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{
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if (memcmp(&_glfw.win32_js[joy].guid, &di->guidInstance, sizeof(GUID)) == 0)
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return DIENUM_CONTINUE;
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}
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for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
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{
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if (!_glfw.win32_js[joy].present)
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break;
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}
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if (joy > GLFW_JOYSTICK_LAST)
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return DIENUM_STOP;
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if (supportsXInput(&di->guidProduct))
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return DIENUM_CONTINUE;
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if (FAILED(IDirectInput8_CreateDevice(_glfw.win32.dinput8.api,
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&di->guidInstance,
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&device,
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NULL)))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR, "DI: Failed to create device");
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return DIENUM_CONTINUE;
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}
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if (FAILED(IDirectInputDevice8_SetDataFormat(device, &_glfwDataFormat)))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"DI: Failed to set device data format");
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IDirectInputDevice8_Release(device);
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return DIENUM_CONTINUE;
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}
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ZeroMemory(&dc, sizeof(dc));
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dc.dwSize = sizeof(dc);
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if (FAILED(IDirectInputDevice8_GetCapabilities(device, &dc)))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"DI: Failed to query device capabilities");
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IDirectInputDevice8_Release(device);
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return DIENUM_CONTINUE;
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}
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ZeroMemory(&dipd, sizeof(dipd));
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dipd.diph.dwSize = sizeof(dipd);
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dipd.diph.dwHeaderSize = sizeof(dipd.diph);
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dipd.diph.dwHow = DIPH_DEVICE;
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dipd.dwData = DIPROPAXISMODE_ABS;
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if (FAILED(IDirectInputDevice8_SetProperty(device,
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DIPROP_AXISMODE,
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&dipd.diph)))
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{
|
|
_glfwInputError(GLFW_PLATFORM_ERROR,
|
|
"DI: Failed to set device axis mode");
|
|
|
|
IDirectInputDevice8_Release(device);
|
|
return DIENUM_CONTINUE;
|
|
}
|
|
|
|
memset(&data, 0, sizeof(data));
|
|
data.device = device;
|
|
data.objects = calloc(dc.dwAxes + dc.dwButtons + dc.dwPOVs,
|
|
sizeof(_GLFWjoyobjectWin32));
|
|
|
|
if (FAILED(IDirectInputDevice8_EnumObjects(device,
|
|
deviceObjectCallback,
|
|
&data,
|
|
DIDFT_AXIS | DIDFT_BUTTON | DIDFT_POV)))
|
|
{
|
|
_glfwInputError(GLFW_PLATFORM_ERROR,
|
|
"DI: Failed to enumerate device objects");
|
|
|
|
IDirectInputDevice8_Release(device);
|
|
free(data.objects);
|
|
return DIENUM_CONTINUE;
|
|
}
|
|
|
|
qsort(data.objects, data.objectCount,
|
|
sizeof(_GLFWjoyobjectWin32),
|
|
compareJoystickObjects);
|
|
|
|
js = _glfw.win32_js + joy;
|
|
js->device = device;
|
|
js->guid = di->guidInstance;
|
|
js->axisCount = data.axisCount + data.sliderCount;
|
|
js->axes = calloc(js->axisCount, sizeof(float));
|
|
js->buttonCount += data.buttonCount + data.povCount * 4;
|
|
js->buttons = calloc(js->buttonCount, 1);
|
|
js->objects = data.objects;
|
|
js->objectCount = data.objectCount;
|
|
js->name = _glfwCreateUTF8FromWideStringWin32(di->tszInstanceName);
|
|
js->present = GLFW_TRUE;
|
|
|
|
_glfwInputJoystickChange(joy, GLFW_CONNECTED);
|
|
return DIENUM_CONTINUE;
|
|
}
|
|
|
|
// Attempt to open the specified joystick device
|
|
// TODO: Pack state arrays for non-gamepad devices
|
|
//
|
|
static GLFWbool openXinputDevice(DWORD index)
|
|
{
|
|
int joy;
|
|
XINPUT_CAPABILITIES xic;
|
|
_GLFWjoystickWin32* js;
|
|
|
|
for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
|
|
{
|
|
if (_glfw.win32_js[joy].present &&
|
|
_glfw.win32_js[joy].device == NULL &&
|
|
_glfw.win32_js[joy].index == index)
|
|
{
|
|
return GLFW_FALSE;
|
|
}
|
|
}
|
|
|
|
for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
|
|
{
|
|
if (!_glfw.win32_js[joy].present)
|
|
break;
|
|
}
|
|
|
|
if (joy > GLFW_JOYSTICK_LAST)
|
|
return GLFW_FALSE;
|
|
|
|
if (_glfw_XInputGetCapabilities(index, 0, &xic) != ERROR_SUCCESS)
|
|
return GLFW_FALSE;
|
|
|
|
js = _glfw.win32_js + joy;
|
|
js->axisCount = 6;
|
|
js->axes = calloc(js->axisCount, sizeof(float));
|
|
js->buttonCount = 14;
|
|
js->buttons = calloc(js->buttonCount, 1);
|
|
js->present = GLFW_TRUE;
|
|
js->name = strdup(getDeviceDescription(&xic));
|
|
js->index = index;
|
|
|
|
_glfwInputJoystickChange(joy, GLFW_CONNECTED);
|
|
|
|
return GLFW_TRUE;
|
|
}
|
|
|
|
// Polls for and processes events the specified joystick
|
|
//
|
|
static GLFWbool pollJoystickState(_GLFWjoystickWin32* js, int mode)
|
|
{
|
|
if (!js->present)
|
|
return GLFW_FALSE;
|
|
|
|
if (js->device)
|
|
{
|
|
int i, j, ai = 0, bi = 0;
|
|
HRESULT result;
|
|
DIJOYSTATE state;
|
|
|
|
IDirectInputDevice8_Poll(js->device);
|
|
result = IDirectInputDevice8_GetDeviceState(js->device,
|
|
sizeof(state),
|
|
&state);
|
|
if (result == DIERR_NOTACQUIRED || result == DIERR_INPUTLOST)
|
|
{
|
|
IDirectInputDevice8_Acquire(js->device);
|
|
IDirectInputDevice8_Poll(js->device);
|
|
result = IDirectInputDevice8_GetDeviceState(js->device,
|
|
sizeof(state),
|
|
&state);
|
|
}
|
|
|
|
if (FAILED(result))
|
|
{
|
|
closeJoystick(js);
|
|
return GLFW_FALSE;
|
|
}
|
|
|
|
if (mode == _GLFW_PRESENCE_ONLY)
|
|
return GLFW_TRUE;
|
|
|
|
for (i = 0; i < js->objectCount; i++)
|
|
{
|
|
const void* data = (char*) &state + js->objects[i].offset;
|
|
|
|
switch (js->objects[i].type)
|
|
{
|
|
case _GLFW_TYPE_AXIS:
|
|
case _GLFW_TYPE_SLIDER:
|
|
{
|
|
js->axes[ai++] = (*((LONG*) data) + 0.5f) / 32767.5f;
|
|
break;
|
|
}
|
|
|
|
case _GLFW_TYPE_BUTTON:
|
|
{
|
|
if (*((BYTE*) data) & 0x80)
|
|
js->buttons[bi++] = GLFW_PRESS;
|
|
else
|
|
js->buttons[bi++] = GLFW_RELEASE;
|
|
|
|
break;
|
|
}
|
|
|
|
case _GLFW_TYPE_POV:
|
|
{
|
|
const int directions[9] = { 1, 3, 2, 6, 4, 12, 8, 9, 0 };
|
|
// Screams of horror are appropriate at this point
|
|
int value = LOWORD(*(DWORD*) data) / (45 * DI_DEGREES);
|
|
if (value < 0 || value > 8)
|
|
value = 8;
|
|
|
|
for (j = 0; j < 4; j++)
|
|
{
|
|
if (directions[value] & (1 << j))
|
|
js->buttons[bi++] = GLFW_PRESS;
|
|
else
|
|
js->buttons[bi++] = GLFW_RELEASE;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return GLFW_TRUE;
|
|
}
|
|
else
|
|
{
|
|
int i;
|
|
DWORD result;
|
|
XINPUT_STATE xis;
|
|
const WORD buttons[14] =
|
|
{
|
|
XINPUT_GAMEPAD_A,
|
|
XINPUT_GAMEPAD_B,
|
|
XINPUT_GAMEPAD_X,
|
|
XINPUT_GAMEPAD_Y,
|
|
XINPUT_GAMEPAD_LEFT_SHOULDER,
|
|
XINPUT_GAMEPAD_RIGHT_SHOULDER,
|
|
XINPUT_GAMEPAD_BACK,
|
|
XINPUT_GAMEPAD_START,
|
|
XINPUT_GAMEPAD_LEFT_THUMB,
|
|
XINPUT_GAMEPAD_RIGHT_THUMB,
|
|
XINPUT_GAMEPAD_DPAD_UP,
|
|
XINPUT_GAMEPAD_DPAD_RIGHT,
|
|
XINPUT_GAMEPAD_DPAD_DOWN,
|
|
XINPUT_GAMEPAD_DPAD_LEFT
|
|
};
|
|
|
|
result = _glfw_XInputGetState(js->index, &xis);
|
|
if (result != ERROR_SUCCESS)
|
|
{
|
|
if (result == ERROR_DEVICE_NOT_CONNECTED)
|
|
closeJoystick(js);
|
|
|
|
return GLFW_FALSE;
|
|
}
|
|
|
|
if (mode == _GLFW_PRESENCE_ONLY)
|
|
return GLFW_TRUE;
|
|
|
|
if (sqrt((double) (xis.Gamepad.sThumbLX * xis.Gamepad.sThumbLX +
|
|
xis.Gamepad.sThumbLY * xis.Gamepad.sThumbLY)) >
|
|
(double) XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE)
|
|
{
|
|
js->axes[0] = (xis.Gamepad.sThumbLX + 0.5f) / 32767.f;
|
|
js->axes[1] = (xis.Gamepad.sThumbLY + 0.5f) / 32767.f;
|
|
}
|
|
else
|
|
{
|
|
js->axes[0] = 0.f;
|
|
js->axes[1] = 0.f;
|
|
}
|
|
|
|
if (sqrt((double) (xis.Gamepad.sThumbRX * xis.Gamepad.sThumbRX +
|
|
xis.Gamepad.sThumbRY * xis.Gamepad.sThumbRY)) >
|
|
(double) XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE)
|
|
{
|
|
js->axes[2] = (xis.Gamepad.sThumbRX + 0.5f) / 32767.f;
|
|
js->axes[3] = (xis.Gamepad.sThumbRY + 0.5f) / 32767.f;
|
|
}
|
|
else
|
|
{
|
|
js->axes[2] = 0.f;
|
|
js->axes[3] = 0.f;
|
|
}
|
|
|
|
if (xis.Gamepad.bLeftTrigger > XINPUT_GAMEPAD_TRIGGER_THRESHOLD)
|
|
js->axes[4] = xis.Gamepad.bLeftTrigger / 127.5f - 1.f;
|
|
else
|
|
js->axes[4] = -1.f;
|
|
|
|
if (xis.Gamepad.bRightTrigger > XINPUT_GAMEPAD_TRIGGER_THRESHOLD)
|
|
js->axes[5] = xis.Gamepad.bRightTrigger / 127.5f - 1.f;
|
|
else
|
|
js->axes[5] = -1.f;
|
|
|
|
for (i = 0; i < 14; i++)
|
|
js->buttons[i] = (xis.Gamepad.wButtons & buttons[i]) ? 1 : 0;
|
|
|
|
return GLFW_TRUE;
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// GLFW internal API //////
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
// Initialize joystick interface
|
|
//
|
|
void _glfwInitJoysticksWin32(void)
|
|
{
|
|
if (_glfw.win32.dinput8.instance)
|
|
{
|
|
if (FAILED(_glfw_DirectInput8Create(GetModuleHandle(NULL),
|
|
DIRECTINPUT_VERSION,
|
|
&IID_IDirectInput8W,
|
|
(void**) &_glfw.win32.dinput8.api,
|
|
NULL)))
|
|
{
|
|
_glfwInputError(GLFW_PLATFORM_ERROR,
|
|
"DI: Failed to create interface");
|
|
}
|
|
}
|
|
|
|
_glfwDetectJoystickConnectionWin32();
|
|
}
|
|
|
|
// Close all opened joystick handles
|
|
//
|
|
void _glfwTerminateJoysticksWin32(void)
|
|
{
|
|
int joy;
|
|
|
|
for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
|
|
closeJoystick(_glfw.win32_js + joy);
|
|
|
|
if (_glfw.win32.dinput8.api)
|
|
IDirectInput8_Release(_glfw.win32.dinput8.api);
|
|
}
|
|
|
|
// Checks for new joysticks after DBT_DEVICEARRIVAL
|
|
//
|
|
void _glfwDetectJoystickConnectionWin32(void)
|
|
{
|
|
if (_glfw.win32.xinput.instance)
|
|
{
|
|
DWORD i;
|
|
|
|
for (i = 0; i < XUSER_MAX_COUNT; i++)
|
|
openXinputDevice(i);
|
|
}
|
|
|
|
if (_glfw.win32.dinput8.api)
|
|
{
|
|
if (FAILED(IDirectInput8_EnumDevices(_glfw.win32.dinput8.api,
|
|
DI8DEVCLASS_GAMECTRL,
|
|
deviceCallback,
|
|
NULL,
|
|
DIEDFL_ALLDEVICES)))
|
|
{
|
|
_glfwInputError(GLFW_PLATFORM_ERROR,
|
|
"Failed to enumerate DirectInput8 devices");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Checks for joystick disconnection after DBT_DEVICEREMOVECOMPLETE
|
|
//
|
|
void _glfwDetectJoystickDisconnectionWin32(void)
|
|
{
|
|
int joy;
|
|
|
|
for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
|
|
pollJoystickState(_glfw.win32_js + joy, _GLFW_PRESENCE_ONLY);
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// GLFW platform API //////
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
int _glfwPlatformJoystickPresent(int joy)
|
|
{
|
|
_GLFWjoystickWin32* js = _glfw.win32_js + joy;
|
|
return pollJoystickState(js, _GLFW_PRESENCE_ONLY);
|
|
}
|
|
|
|
const float* _glfwPlatformGetJoystickAxes(int joy, int* count)
|
|
{
|
|
_GLFWjoystickWin32* js = _glfw.win32_js + joy;
|
|
if (!pollJoystickState(js, _GLFW_UPDATE_STATE))
|
|
return NULL;
|
|
|
|
*count = js->axisCount;
|
|
return js->axes;
|
|
}
|
|
|
|
const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count)
|
|
{
|
|
_GLFWjoystickWin32* js = _glfw.win32_js + joy;
|
|
if (!pollJoystickState(js, _GLFW_UPDATE_STATE))
|
|
return NULL;
|
|
|
|
*count = js->buttonCount;
|
|
return js->buttons;
|
|
}
|
|
|
|
const char* _glfwPlatformGetJoystickName(int joy)
|
|
{
|
|
_GLFWjoystickWin32* js = _glfw.win32_js + joy;
|
|
if (!pollJoystickState(js, _GLFW_PRESENCE_ONLY))
|
|
return NULL;
|
|
|
|
return js->name;
|
|
}
|
|
|