Partially implemented Windows keyboard HID for testing.

src/xenia/hid/winkey/winkey_input_driver.cc

@@ -0,0 +1,181 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2014 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include <xenia/hid/winkey/winkey_input_driver.h>
+
+#include <xenia/hid/hid-private.h>
+
+
+using namespace xe;
+using namespace xe::hid;
+using namespace xe::hid::winkey;
+
+
+WinKeyInputDriver::WinKeyInputDriver(InputSystem* input_system) :
+    packet_number_(1),
+    InputDriver(input_system) {
+}
+
+WinKeyInputDriver::~WinKeyInputDriver() {
+}
+
+X_STATUS WinKeyInputDriver::Setup() {
+  return X_STATUS_SUCCESS;
+}
+
+X_RESULT WinKeyInputDriver::GetCapabilities(
+    uint32_t user_index, uint32_t flags, X_INPUT_CAPABILITIES& out_caps) {
+  if (user_index != 0) {
+    return X_ERROR_DEVICE_NOT_CONNECTED;
+  }
+
+  // TODO(benvanik): confirm with a real XInput controller.
+  out_caps.type                   = 0x01; // XINPUT_DEVTYPE_GAMEPAD
+  out_caps.sub_type               = 0x01; // XINPUT_DEVSUBTYPE_GAMEPAD
+  out_caps.flags                  = 0;
+  out_caps.gamepad.buttons        = 0xFFFF;
+  out_caps.gamepad.left_trigger   = 0xFF;
+  out_caps.gamepad.right_trigger  = 0xFF;
+  out_caps.gamepad.thumb_lx       = (int16_t)0xFFFF;
+  out_caps.gamepad.thumb_ly       = (int16_t)0xFFFF;
+  out_caps.gamepad.thumb_rx       = (int16_t)0xFFFF;
+  out_caps.gamepad.thumb_ry       = (int16_t)0xFFFF;
+  out_caps.vibration.left_motor_speed = 0;
+  out_caps.vibration.right_motor_speed = 0;
+  return X_ERROR_SUCCESS;
+}
+
+#define IS_KEY_TOGGLED(key) ((GetKeyState(key) & 0x1) == 0x1)
+#define IS_KEY_DOWN(key) ((GetAsyncKeyState(key) & 0x8000) == 0x8000)
+
+X_RESULT WinKeyInputDriver::GetState(
+    uint32_t user_index, X_INPUT_STATE& out_state) {
+  if (user_index != 0) {
+    return X_ERROR_DEVICE_NOT_CONNECTED;
+  }
+
+  packet_number_++;
+
+  uint16_t buttons = 0;
+  uint8_t left_trigger = 0;
+  uint8_t right_trigger = 0;
+  int16_t thumb_lx = 0;
+  int16_t thumb_ly = 0;
+  int16_t thumb_rx = 0;
+  int16_t thumb_ry = 0;
+
+  if (IS_KEY_TOGGLED(VK_CAPITAL)) {
+    // dpad toggled
+    if (IS_KEY_DOWN(0x41)) {
+      // A
+      buttons |= 0x0004; // XINPUT_GAMEPAD_DPAD_LEFT
+    }
+    if (IS_KEY_DOWN(0x44)) {
+      // D
+      buttons |= 0x0008; // XINPUT_GAMEPAD_DPAD_RIGHT
+    }
+    if (IS_KEY_DOWN(0x53)) {
+      // S
+      buttons |= 0x0002; // XINPUT_GAMEPAD_DPAD_DOWN
+    }
+    if (IS_KEY_DOWN(0x57)) {
+      // W
+      buttons |= 0x0001; // XINPUT_GAMEPAD_DPAD_UP
+    }
+  } else {
+    // left stick
+    if (IS_KEY_DOWN(0x41)) {
+      // A
+      thumb_lx += SHRT_MIN;
+    }
+    if (IS_KEY_DOWN(0x44)) {
+      // D
+      thumb_lx += SHRT_MAX;
+    }
+    if (IS_KEY_DOWN(0x53)) {
+      // S
+      thumb_ly += SHRT_MIN;
+    }
+    if (IS_KEY_DOWN(0x57)) {
+      // W
+      thumb_ly += SHRT_MAX;
+    }
+  }
+
+  if (IS_KEY_DOWN(0x4C)) {
+    // L
+    buttons |= 0x4000; // XINPUT_GAMEPAD_X
+  }
+  if (IS_KEY_DOWN(VK_OEM_7)) {
+    // '
+    buttons |= 0x2000; // XINPUT_GAMEPAD_B
+  }
+  if (IS_KEY_DOWN(VK_OEM_1)) {
+    // ;
+    buttons |= 0x1000; // XINPUT_GAMEPAD_A
+  }
+  if (IS_KEY_DOWN(0x50)) {
+    // P
+    buttons |= 0x8000; // XINPUT_GAMEPAD_Y
+  }
+
+  if (IS_KEY_DOWN(0x5A)) {
+    // Z
+    buttons |= 0x0020; // XINPUT_GAMEPAD_BACK
+  }
+  if (IS_KEY_DOWN(0x58)) {
+    // X
+    buttons |= 0x0010; // XINPUT_GAMEPAD_START
+  }
+
+  out_state.packet_number         = packet_number_;
+  out_state.gamepad.buttons       = buttons;
+  out_state.gamepad.left_trigger  = left_trigger;
+  out_state.gamepad.right_trigger = right_trigger;
+  out_state.gamepad.thumb_lx      = thumb_lx;
+  out_state.gamepad.thumb_ly      = thumb_ly;
+  out_state.gamepad.thumb_rx      = thumb_rx;
+  out_state.gamepad.thumb_ry      = thumb_ry;
+
+  return X_ERROR_SUCCESS;
+}
+
+X_RESULT WinKeyInputDriver::SetState(
+    uint32_t user_index, X_INPUT_VIBRATION& vibration) {
+  if (user_index != 0) {
+    return X_ERROR_DEVICE_NOT_CONNECTED;
+  }
+
+  return X_ERROR_SUCCESS;
+}
+
+X_RESULT WinKeyInputDriver::GetKeystroke(
+    uint32_t user_index, uint32_t flags, X_INPUT_KEYSTROKE& out_keystroke) {
+  if (user_index != 0) {
+    return X_ERROR_DEVICE_NOT_CONNECTED;
+  }
+
+  X_RESULT result = X_ERROR_EMPTY;
+
+  uint16_t virtual_key = 0;
+  uint16_t unicode = 0;
+  uint16_t keystroke_flags = 0;
+  uint8_t hid_code = 0;
+
+  out_keystroke.virtual_key = virtual_key;
+  out_keystroke.unicode = unicode;
+  out_keystroke.flags = keystroke_flags;
+  out_keystroke.user_index = 0;
+  out_keystroke.hid_code = hid_code;
+
+  // X_ERROR_EMPTY if no new keys
+  // X_ERROR_DEVICE_NOT_CONNECTED if no device
+  // X_ERROR_SUCCESS if key
+  return result;
+}