1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "content/browser/gamepad/gamepad_standard_mappings.h" 6 7#include "content/common/gamepad_hardware_buffer.h" 8 9namespace content { 10 11namespace { 12 13float AxisToButton(float input) { 14 return (input + 1.f) / 2.f; 15} 16 17void DpadFromAxis(blink::WebGamepad* mapped, float dir) { 18 // Dpad is mapped as a direction on one axis, where -1 is up and it 19 // increases clockwise to 1, which is up + left. It's set to a large (> 1.f) 20 // number when nothing is depressed, except on start up, sometimes it's 0.0 21 // for no data, rather than the large number. 22 if (dir == 0.0f) { 23 mapped->buttons[kButtonDpadUp] = 0.f; 24 mapped->buttons[kButtonDpadDown] = 0.f; 25 mapped->buttons[kButtonDpadLeft] = 0.f; 26 mapped->buttons[kButtonDpadRight] = 0.f; 27 } else { 28 mapped->buttons[kButtonDpadUp] = (dir >= -1.f && dir < -0.7f) || 29 (dir >= .95f && dir <= 1.f); 30 mapped->buttons[kButtonDpadRight] = dir >= -.75f && dir < -.1f; 31 mapped->buttons[kButtonDpadDown] = dir >= -.2f && dir < .45f; 32 mapped->buttons[kButtonDpadLeft] = dir >= .4f && dir <= 1.f; 33 } 34} 35 36void MapperXbox360Gamepad( 37 const blink::WebGamepad& input, 38 blink::WebGamepad* mapped) { 39 *mapped = input; 40 mapped->buttons[kButtonLeftTrigger] = AxisToButton(input.axes[2]); 41 mapped->buttons[kButtonRightTrigger] = AxisToButton(input.axes[5]); 42 mapped->buttons[kButtonBackSelect] = input.buttons[9]; 43 mapped->buttons[kButtonStart] = input.buttons[8]; 44 mapped->buttons[kButtonLeftThumbstick] = input.buttons[6]; 45 mapped->buttons[kButtonRightThumbstick] = input.buttons[7]; 46 mapped->buttons[kButtonDpadUp] = input.buttons[11]; 47 mapped->buttons[kButtonDpadDown] = input.buttons[12]; 48 mapped->buttons[kButtonDpadLeft] = input.buttons[13]; 49 mapped->buttons[kButtonDpadRight] = input.buttons[14]; 50 mapped->buttons[kButtonMeta] = input.buttons[10]; 51 mapped->axes[kAxisRightStickX] = input.axes[3]; 52 mapped->axes[kAxisRightStickY] = input.axes[4]; 53 mapped->buttonsLength = kNumButtons; 54 mapped->axesLength = kNumAxes; 55} 56 57void MapperPlaystationSixAxis( 58 const blink::WebGamepad& input, 59 blink::WebGamepad* mapped) { 60 *mapped = input; 61 mapped->buttons[kButtonPrimary] = input.buttons[14]; 62 mapped->buttons[kButtonSecondary] = input.buttons[13]; 63 mapped->buttons[kButtonTertiary] = input.buttons[15]; 64 mapped->buttons[kButtonQuaternary] = input.buttons[12]; 65 mapped->buttons[kButtonLeftShoulder] = input.buttons[10]; 66 mapped->buttons[kButtonRightShoulder] = input.buttons[11]; 67 mapped->buttons[kButtonLeftTrigger] = input.buttons[8]; 68 mapped->buttons[kButtonRightTrigger] = input.buttons[9]; 69 mapped->buttons[kButtonBackSelect] = input.buttons[0]; 70 mapped->buttons[kButtonStart] = input.buttons[3]; 71 mapped->buttons[kButtonLeftThumbstick] = input.buttons[1]; 72 mapped->buttons[kButtonRightThumbstick] = input.buttons[2]; 73 mapped->buttons[kButtonDpadUp] = input.buttons[4]; 74 mapped->buttons[kButtonDpadDown] = input.buttons[6]; 75 mapped->buttons[kButtonDpadLeft] = input.buttons[7]; 76 mapped->buttons[kButtonDpadRight] = input.buttons[5]; 77 mapped->buttons[kButtonMeta] = input.buttons[16]; 78 mapped->axes[kAxisRightStickY] = input.axes[5]; 79 80 mapped->buttonsLength = kNumButtons; 81 mapped->axesLength = kNumAxes; 82} 83 84void MapperDirectInputStyle( 85 const blink::WebGamepad& input, 86 blink::WebGamepad* mapped) { 87 *mapped = input; 88 mapped->buttons[kButtonPrimary] = input.buttons[1]; 89 mapped->buttons[kButtonSecondary] = input.buttons[2]; 90 mapped->buttons[kButtonTertiary] = input.buttons[0]; 91 mapped->axes[kAxisRightStickY] = input.axes[5]; 92 DpadFromAxis(mapped, input.axes[9]); 93 mapped->buttonsLength = kNumButtons - 1; /* no meta */ 94 mapped->axesLength = kNumAxes; 95} 96 97void MapperMacallyIShock( 98 const blink::WebGamepad& input, 99 blink::WebGamepad* mapped) { 100 enum IShockButtons { 101 kButtonC = kNumButtons, 102 kButtonD, 103 kButtonE, 104 kNumIShockButtons 105 }; 106 107 *mapped = input; 108 mapped->buttons[kButtonPrimary] = input.buttons[6]; 109 mapped->buttons[kButtonSecondary] = input.buttons[5]; 110 mapped->buttons[kButtonTertiary] = input.buttons[7]; 111 mapped->buttons[kButtonQuaternary] = input.buttons[4]; 112 mapped->buttons[kButtonLeftShoulder] = input.buttons[14]; 113 mapped->buttons[kButtonRightShoulder] = input.buttons[12]; 114 mapped->buttons[kButtonLeftTrigger] = input.buttons[15]; 115 mapped->buttons[kButtonRightTrigger] = input.buttons[13]; 116 mapped->buttons[kButtonBackSelect] = input.buttons[9]; 117 mapped->buttons[kButtonStart] = input.buttons[10]; 118 mapped->buttons[kButtonLeftThumbstick] = input.buttons[16]; 119 mapped->buttons[kButtonRightThumbstick] = input.buttons[17]; 120 mapped->buttons[kButtonDpadUp] = input.buttons[0]; 121 mapped->buttons[kButtonDpadDown] = input.buttons[1]; 122 mapped->buttons[kButtonDpadLeft] = input.buttons[2]; 123 mapped->buttons[kButtonDpadRight] = input.buttons[3]; 124 mapped->buttons[kButtonMeta] = input.buttons[11]; 125 mapped->buttons[kButtonC] = input.buttons[8]; 126 mapped->buttons[kButtonD] = input.buttons[18]; 127 mapped->buttons[kButtonE] = input.buttons[19]; 128 mapped->axes[kAxisLeftStickX] = input.axes[0]; 129 mapped->axes[kAxisLeftStickY] = input.axes[1]; 130 mapped->axes[kAxisRightStickX] = -input.axes[5]; 131 mapped->axes[kAxisRightStickY] = input.axes[6]; 132 133 mapped->buttonsLength = kNumIShockButtons; 134 mapped->axesLength = kNumAxes; 135} 136 137void MapperXGEAR( 138 const blink::WebGamepad& input, 139 blink::WebGamepad* mapped) { 140 *mapped = input; 141 mapped->buttons[kButtonPrimary] = input.buttons[2]; 142 mapped->buttons[kButtonTertiary] = input.buttons[3]; 143 mapped->buttons[kButtonQuaternary] = input.buttons[0]; 144 mapped->buttons[kButtonLeftShoulder] = input.buttons[6]; 145 mapped->buttons[kButtonRightShoulder] = input.buttons[7]; 146 mapped->buttons[kButtonLeftTrigger] = input.buttons[4]; 147 mapped->buttons[kButtonRightTrigger] = input.buttons[5]; 148 DpadFromAxis(mapped, input.axes[9]); 149 mapped->axes[kAxisRightStickX] = input.axes[5]; 150 mapped->axes[kAxisRightStickY] = input.axes[2]; 151 mapped->buttonsLength = kNumButtons - 1; /* no meta */ 152 mapped->axesLength = kNumAxes; 153} 154 155void MapperSmartJoyPLUS( 156 const blink::WebGamepad& input, 157 blink::WebGamepad* mapped) { 158 *mapped = input; 159 mapped->buttons[kButtonPrimary] = input.buttons[2]; 160 mapped->buttons[kButtonTertiary] = input.buttons[3]; 161 mapped->buttons[kButtonQuaternary] = input.buttons[0]; 162 mapped->buttons[kButtonStart] = input.buttons[8]; 163 mapped->buttons[kButtonBackSelect] = input.buttons[9]; 164 mapped->buttons[kButtonLeftShoulder] = input.buttons[6]; 165 mapped->buttons[kButtonRightShoulder] = input.buttons[7]; 166 mapped->buttons[kButtonLeftTrigger] = input.buttons[4]; 167 mapped->buttons[kButtonRightTrigger] = input.buttons[5]; 168 DpadFromAxis(mapped, input.axes[9]); 169 mapped->axes[kAxisRightStickY] = input.axes[5]; 170 mapped->buttonsLength = kNumButtons - 1; /* no meta */ 171 mapped->axesLength = kNumAxes; 172} 173 174void MapperDragonRiseGeneric( 175 const blink::WebGamepad& input, 176 blink::WebGamepad* mapped) { 177 *mapped = input; 178 DpadFromAxis(mapped, input.axes[9]); 179 mapped->axes[kAxisLeftStickX] = input.axes[0]; 180 mapped->axes[kAxisLeftStickY] = input.axes[1]; 181 mapped->axes[kAxisRightStickX] = input.axes[2]; 182 mapped->axes[kAxisRightStickY] = input.axes[5]; 183 mapped->buttonsLength = kNumButtons - 1; /* no meta */ 184 mapped->axesLength = kNumAxes; 185} 186 187struct MappingData { 188 const char* const vendor_id; 189 const char* const product_id; 190 GamepadStandardMappingFunction function; 191} AvailableMappings[] = { 192 // http://www.linux-usb.org/usb.ids 193 { "0079", "0006", MapperDragonRiseGeneric }, // DragonRise Generic USB 194 { "045e", "028e", MapperXbox360Gamepad }, // Xbox 360 Controller 195 { "045e", "028f", MapperXbox360Gamepad }, // Xbox 360 Wireless Controller 196 { "046d", "c216", MapperDirectInputStyle }, // Logitech F310, D mode 197 { "046d", "c218", MapperDirectInputStyle }, // Logitech F510, D mode 198 { "046d", "c219", MapperDirectInputStyle }, // Logitech F710, D mode 199 { "054c", "0268", MapperPlaystationSixAxis }, // Playstation SIXAXIS 200 { "0925", "0005", MapperSmartJoyPLUS }, // SmartJoy PLUS Adapter 201 { "0e8f", "0003", MapperXGEAR }, // XFXforce XGEAR PS2 Controller 202 { "2222", "0060", MapperDirectInputStyle }, // Macally iShockX, analog mode 203 { "2222", "4010", MapperMacallyIShock }, // Macally iShock 204}; 205 206} // namespace 207 208GamepadStandardMappingFunction GetGamepadStandardMappingFunction( 209 const base::StringPiece& vendor_id, 210 const base::StringPiece& product_id) { 211 for (size_t i = 0; i < arraysize(AvailableMappings); ++i) { 212 MappingData& item = AvailableMappings[i]; 213 if (vendor_id == item.vendor_id && product_id == item.product_id) 214 return item.function; 215 } 216 return NULL; 217} 218 219} // namespace content 220