/**
 ******************************************************************************
 * Xenia : Xbox 360 Emulator Research Project                                 *
 ******************************************************************************
 * Copyright 2015 Ben Vanik. All rights reserved.                             *
 * Released under the BSD license - see LICENSE in the root for more details. *
 ******************************************************************************
 */

#ifndef XENIA_HID_INPUT_H_
#define XENIA_HID_INPUT_H_

#include "xenia/base/assert.h"
#include "xenia/base/byte_order.h"

namespace xe {
namespace hid {

enum X_INPUT_FLAG {
  X_INPUT_FLAG_GAMEPAD = 0x00000001,
};

enum X_INPUT_GAMEPAD_BUTTON {
  X_INPUT_GAMEPAD_DPAD_UP = 0x0001,
  X_INPUT_GAMEPAD_DPAD_DOWN = 0x0002,
  X_INPUT_GAMEPAD_DPAD_LEFT = 0x0004,
  X_INPUT_GAMEPAD_DPAD_RIGHT = 0x0008,
  X_INPUT_GAMEPAD_START = 0x0010,
  X_INPUT_GAMEPAD_BACK = 0x0020,
  X_INPUT_GAMEPAD_LEFT_THUMB = 0x0040,
  X_INPUT_GAMEPAD_RIGHT_THUMB = 0x0080,
  X_INPUT_GAMEPAD_LEFT_SHOULDER = 0x0100,
  X_INPUT_GAMEPAD_RIGHT_SHOULDER = 0x0200,
  X_INPUT_GAMEPAD_GUIDE = 0x0400,
  X_INPUT_GAMEPAD_A = 0x1000,
  X_INPUT_GAMEPAD_B = 0x2000,
  X_INPUT_GAMEPAD_X = 0x4000,
  X_INPUT_GAMEPAD_Y = 0x8000,
};

enum X_INPUT_GAMEPAD_VK {
  X_INPUT_GAMEPAD_VK_A = 0x5800,
  X_INPUT_GAMEPAD_VK_B = 0x5801,
  X_INPUT_GAMEPAD_VK_X = 0x5802,
  X_INPUT_GAMEPAD_VK_Y = 0x5803,
  X_INPUT_GAMEPAD_VK_RSHOULDER = 0x5804,
  X_INPUT_GAMEPAD_VK_LSHOULDER = 0x5805,
  X_INPUT_GAMEPAD_VK_LTRIGGER = 0x5806,
  X_INPUT_GAMEPAD_VK_RTRIGGER = 0x5807,

  X_INPUT_GAMEPAD_VK_DPAD_UP = 0x5810,
  X_INPUT_GAMEPAD_VK_DPAD_DOWN = 0x5811,
  X_INPUT_GAMEPAD_VK_DPAD_LEFT = 0x5812,
  X_INPUT_GAMEPAD_VK_DPAD_RIGHT = 0x5813,
  X_INPUT_GAMEPAD_VK_START = 0x5814,
  X_INPUT_GAMEPAD_VK_BACK = 0x5815,
  X_INPUT_GAMEPAD_VK_LTHUMB_PRESS = 0x5816,
  X_INPUT_GAMEPAD_VK_RTHUMB_PRESS = 0x5817,

  X_INPUT_GAMEPAD_VK_LTHUMB_UP = 0x5820,
  X_INPUT_GAMEPAD_VK_LTHUMB_DOWN = 0x5821,
  X_INPUT_GAMEPAD_VK_LTHUMB_RIGHT = 0x5822,
  X_INPUT_GAMEPAD_VK_LTHUMB_LEFT = 0x5823,
  X_INPUT_GAMEPAD_VK_LTHUMB_UPLEFT = 0x5824,
  X_INPUT_GAMEPAD_VK_LTHUMB_UPRIGHT = 0x5825,
  X_INPUT_GAMEPAD_VK_LTHUMB_DOWNRIGHT = 0x5826,
  X_INPUT_GAMEPAD_VK_LTHUMB_DOWNLEFT = 0x5827,

  X_INPUT_GAMEPAD_VK_RTHUMB_UP = 0x5830,
  X_INPUT_GAMEPAD_VK_RTHUMB_DOWN = 0x5831,
  X_INPUT_GAMEPAD_VK_RTHUMB_RIGHT = 0x5832,
  X_INPUT_GAMEPAD_VK_RTHUMB_LEFT = 0x5833,
  X_INPUT_GAMEPAD_VK_RTHUMB_UPLEFT = 0x5834,
  X_INPUT_GAMEPAD_VK_RTHUMB_UPRIGHT = 0x5835,
  X_INPUT_GAMEPAD_VK_RTHUMB_DOWNRIGHT = 0x5836,
  X_INPUT_GAMEPAD_VK_RTHUMB_DOWNLEFT = 0x5837,
};

enum X_INPUT_KEYSTROKE_FLAGS {
  X_INPUT_KEYSTROKE_KEYDOWN = 0x0001,
  X_INPUT_KEYSTROKE_KEYUP = 0x0002,
  X_INPUT_KEYSTROKE_REPEAT = 0x0004,
};

struct X_INPUT_GAMEPAD {
  be<uint16_t> buttons;
  uint8_t left_trigger;
  uint8_t right_trigger;
  be<int16_t> thumb_lx;
  be<int16_t> thumb_ly;
  be<int16_t> thumb_rx;
  be<int16_t> thumb_ry;
};
static_assert_size(X_INPUT_GAMEPAD, 12);

struct X_INPUT_STATE {
  be<uint32_t> packet_number;
  X_INPUT_GAMEPAD gamepad;
};
static_assert_size(X_INPUT_STATE, sizeof(X_INPUT_GAMEPAD) + 4);

struct X_INPUT_VIBRATION {
  be<uint16_t> left_motor_speed;
  be<uint16_t> right_motor_speed;
};
static_assert_size(X_INPUT_VIBRATION, 4);

struct X_INPUT_CAPABILITIES {
  uint8_t type;
  uint8_t sub_type;
  be<uint16_t> flags;
  X_INPUT_GAMEPAD gamepad;
  X_INPUT_VIBRATION vibration;
};
static_assert_size(X_INPUT_CAPABILITIES,
                   sizeof(X_INPUT_GAMEPAD) + sizeof(X_INPUT_VIBRATION) + 4);

// https://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.reference.xinput_keystroke(v=vs.85).aspx
struct X_INPUT_KEYSTROKE {
  be<uint16_t> virtual_key;
  be<uint16_t> unicode;
  be<uint16_t> flags;
  uint8_t user_index;
  uint8_t hid_code;
};
static_assert_size(X_INPUT_KEYSTROKE, 8);

}  // namespace hid
}  // namespace xe

#endif  // XENIA_HID_INPUT_H_