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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/gamepad/gamepad_standard_mappings.h"
#include "content/common/gamepad_hardware_buffer.h"
namespace content {
namespace {
float AxisToButton(float input) {
return (input + 1.f) / 2.f;
}
void DpadFromAxis(WebKit::WebGamepad* mapped, float dir) {
// Dpad is mapped as a direction on one axis, where -1 is up and it
// increases clockwise to 1, which is up + left. It's set to a large (> 1.f)
// number when nothing is depressed, except on start up, sometimes it's 0.0
// for no data, rather than the large number.
if (dir == 0.0f) {
mapped->buttons[kButtonDpadUp] = 0.f;
mapped->buttons[kButtonDpadDown] = 0.f;
mapped->buttons[kButtonDpadLeft] = 0.f;
mapped->buttons[kButtonDpadRight] = 0.f;
} else {
mapped->buttons[kButtonDpadUp] = (dir >= -1.f && dir < -0.7f) ||
(dir >= .95f && dir <= 1.f);
mapped->buttons[kButtonDpadRight] = dir >= -.75f && dir < -.1f;
mapped->buttons[kButtonDpadDown] = dir >= -.2f && dir < .45f;
mapped->buttons[kButtonDpadLeft] = dir >= .4f && dir <= 1.f;
}
}
void MapperXbox360Gamepad(
const WebKit::WebGamepad& input,
WebKit::WebGamepad* mapped) {
*mapped = input;
mapped->buttons[kButtonLeftTrigger] = AxisToButton(input.axes[2]);
mapped->buttons[kButtonRightTrigger] = AxisToButton(input.axes[5]);
mapped->buttons[kButtonBackSelect] = input.buttons[9];
mapped->buttons[kButtonStart] = input.buttons[8];
mapped->buttons[kButtonLeftThumbstick] = input.buttons[6];
mapped->buttons[kButtonRightThumbstick] = input.buttons[7];
mapped->buttons[kButtonDpadUp] = input.buttons[11];
mapped->buttons[kButtonDpadDown] = input.buttons[12];
mapped->buttons[kButtonDpadLeft] = input.buttons[13];
mapped->buttons[kButtonDpadRight] = input.buttons[14];
mapped->buttons[kButtonMeta] = input.buttons[10];
mapped->axes[kAxisRightStickX] = input.axes[3];
mapped->axes[kAxisRightStickY] = input.axes[4];
mapped->buttonsLength = kNumButtons;
mapped->axesLength = kNumAxes;
}
void MapperPlaystationSixAxis(
const WebKit::WebGamepad& input,
WebKit::WebGamepad* mapped) {
*mapped = input;
mapped->buttons[kButtonPrimary] = input.buttons[14];
mapped->buttons[kButtonSecondary] = input.buttons[13];
mapped->buttons[kButtonTertiary] = input.buttons[15];
mapped->buttons[kButtonQuaternary] = input.buttons[12];
mapped->buttons[kButtonLeftShoulder] = input.buttons[10];
mapped->buttons[kButtonRightShoulder] = input.buttons[11];
mapped->buttons[kButtonLeftTrigger] = input.buttons[8];
mapped->buttons[kButtonRightTrigger] = input.buttons[9];
mapped->buttons[kButtonBackSelect] = input.buttons[0];
mapped->buttons[kButtonStart] = input.buttons[3];
mapped->buttons[kButtonLeftThumbstick] = input.buttons[1];
mapped->buttons[kButtonRightThumbstick] = input.buttons[2];
mapped->buttons[kButtonDpadUp] = input.buttons[4];
mapped->buttons[kButtonDpadDown] = input.buttons[6];
mapped->buttons[kButtonDpadLeft] = input.buttons[7];
mapped->buttons[kButtonDpadRight] = input.buttons[5];
mapped->buttons[kButtonMeta] = input.buttons[16];
mapped->axes[kAxisRightStickY] = input.axes[5];
mapped->buttonsLength = kNumButtons;
mapped->axesLength = kNumAxes;
}
void MapperDirectInputStyle(
const WebKit::WebGamepad& input,
WebKit::WebGamepad* mapped) {
*mapped = input;
mapped->buttons[kButtonPrimary] = input.buttons[1];
mapped->buttons[kButtonSecondary] = input.buttons[2];
mapped->buttons[kButtonTertiary] = input.buttons[0];
mapped->axes[kAxisRightStickY] = input.axes[5];
DpadFromAxis(mapped, input.axes[9]);
mapped->buttonsLength = kNumButtons - 1; /* no meta */
mapped->axesLength = kNumAxes;
}
void MapperMacallyIShock(
const WebKit::WebGamepad& input,
WebKit::WebGamepad* mapped) {
enum IShockButtons {
kButtonC = kNumButtons,
kButtonD,
kButtonE,
kNumIShockButtons
};
*mapped = input;
mapped->buttons[kButtonPrimary] = input.buttons[6];
mapped->buttons[kButtonSecondary] = input.buttons[5];
mapped->buttons[kButtonTertiary] = input.buttons[7];
mapped->buttons[kButtonQuaternary] = input.buttons[4];
mapped->buttons[kButtonLeftShoulder] = input.buttons[14];
mapped->buttons[kButtonRightShoulder] = input.buttons[12];
mapped->buttons[kButtonLeftTrigger] = input.buttons[15];
mapped->buttons[kButtonRightTrigger] = input.buttons[13];
mapped->buttons[kButtonBackSelect] = input.buttons[9];
mapped->buttons[kButtonStart] = input.buttons[10];
mapped->buttons[kButtonLeftThumbstick] = input.buttons[16];
mapped->buttons[kButtonRightThumbstick] = input.buttons[17];
mapped->buttons[kButtonDpadUp] = input.buttons[0];
mapped->buttons[kButtonDpadDown] = input.buttons[1];
mapped->buttons[kButtonDpadLeft] = input.buttons[2];
mapped->buttons[kButtonDpadRight] = input.buttons[3];
mapped->buttons[kButtonMeta] = input.buttons[11];
mapped->buttons[kButtonC] = input.buttons[8];
mapped->buttons[kButtonD] = input.buttons[18];
mapped->buttons[kButtonE] = input.buttons[19];
mapped->axes[kAxisLeftStickX] = input.axes[0];
mapped->axes[kAxisLeftStickY] = input.axes[1];
mapped->axes[kAxisRightStickX] = -input.axes[5];
mapped->axes[kAxisRightStickY] = input.axes[6];
mapped->buttonsLength = kNumIShockButtons;
mapped->axesLength = kNumAxes;
}
void MapperXGEAR(
const WebKit::WebGamepad& input,
WebKit::WebGamepad* mapped) {
*mapped = input;
mapped->buttons[kButtonPrimary] = input.buttons[2];
mapped->buttons[kButtonTertiary] = input.buttons[3];
mapped->buttons[kButtonQuaternary] = input.buttons[0];
mapped->buttons[kButtonLeftShoulder] = input.buttons[6];
mapped->buttons[kButtonRightShoulder] = input.buttons[7];
mapped->buttons[kButtonLeftTrigger] = input.buttons[4];
mapped->buttons[kButtonRightTrigger] = input.buttons[5];
DpadFromAxis(mapped, input.axes[9]);
mapped->axes[kAxisRightStickX] = input.axes[5];
mapped->axes[kAxisRightStickY] = input.axes[2];
mapped->buttonsLength = kNumButtons - 1; /* no meta */
mapped->axesLength = kNumAxes;
}
void MapperSmartJoyPLUS(
const WebKit::WebGamepad& input,
WebKit::WebGamepad* mapped) {
*mapped = input;
mapped->buttons[kButtonPrimary] = input.buttons[2];
mapped->buttons[kButtonTertiary] = input.buttons[3];
mapped->buttons[kButtonQuaternary] = input.buttons[0];
mapped->buttons[kButtonStart] = input.buttons[8];
mapped->buttons[kButtonBackSelect] = input.buttons[9];
mapped->buttons[kButtonLeftShoulder] = input.buttons[6];
mapped->buttons[kButtonRightShoulder] = input.buttons[7];
mapped->buttons[kButtonLeftTrigger] = input.buttons[4];
mapped->buttons[kButtonRightTrigger] = input.buttons[5];
DpadFromAxis(mapped, input.axes[9]);
mapped->axes[kAxisRightStickY] = input.axes[5];
mapped->buttonsLength = kNumButtons - 1; /* no meta */
mapped->axesLength = kNumAxes;
}
void MapperDragonRiseGeneric(
const WebKit::WebGamepad& input,
WebKit::WebGamepad* mapped) {
*mapped = input;
DpadFromAxis(mapped, input.axes[9]);
mapped->axes[kAxisLeftStickX] = input.axes[0];
mapped->axes[kAxisLeftStickY] = input.axes[1];
mapped->axes[kAxisRightStickX] = input.axes[2];
mapped->axes[kAxisRightStickY] = input.axes[5];
mapped->buttonsLength = kNumButtons - 1; /* no meta */
mapped->axesLength = kNumAxes;
}
struct MappingData {
const char* const vendor_id;
const char* const product_id;
GamepadStandardMappingFunction function;
} AvailableMappings[] = {
// http://www.linux-usb.org/usb.ids
{ "0079", "0006", MapperDragonRiseGeneric }, // DragonRise Generic USB
{ "045e", "028e", MapperXbox360Gamepad }, // Xbox 360 Controller
{ "045e", "028f", MapperXbox360Gamepad }, // Xbox 360 Wireless Controller
{ "046d", "c216", MapperDirectInputStyle }, // Logitech F310, D mode
{ "046d", "c218", MapperDirectInputStyle }, // Logitech F510, D mode
{ "046d", "c219", MapperDirectInputStyle }, // Logitech F710, D mode
{ "054c", "0268", MapperPlaystationSixAxis }, // Playstation SIXAXIS
{ "0925", "0005", MapperSmartJoyPLUS }, // SmartJoy PLUS Adapter
{ "0e8f", "0003", MapperXGEAR }, // XFXforce XGEAR PS2 Controller
{ "2222", "0060", MapperDirectInputStyle }, // Macally iShockX, analog mode
{ "2222", "4010", MapperMacallyIShock }, // Macally iShock
};
} // namespace
GamepadStandardMappingFunction GetGamepadStandardMappingFunction(
const base::StringPiece& vendor_id,
const base::StringPiece& product_id) {
for (size_t i = 0; i < arraysize(AvailableMappings); ++i) {
MappingData& item = AvailableMappings[i];
if (vendor_id == item.vendor_id && product_id == item.product_id)
return item.function;
}
return NULL;
}
} // namespace content
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