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@@ -0,0 +1,297 @@
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+/*
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+ Simple DirectMedia Layer
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+ Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
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+ Copyright (C) 2025 Zuiki Inc.
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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 be
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+ appreciated but is not required.
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+ 2. Altered source versions must be plainly marked as such, and must not be
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+ misrepresented as being the original software.
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+ 3. This notice may not be removed or altered from any source distribution.
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+*/
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+#include "SDL_internal.h"
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+
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+#ifdef SDL_JOYSTICK_HIDAPI
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+
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+#include "../SDL_sysjoystick.h"
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+#include "SDL_hidapijoystick_c.h"
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+#include "SDL_hidapi_rumble.h"
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+
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+#ifdef SDL_JOYSTICK_HIDAPI_ZUIKI
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+
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+// Define this if you want to log all packets from the controller
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+#if 0
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+#define DEBUG_ZUIKI_PROTOCOL
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+#endif
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+
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+typedef struct
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+{
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+ Uint8 last_state[USB_PACKET_LENGTH];
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+} SDL_DriverZUIKI_Context;
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+
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+static void HIDAPI_DriverZUIKI_RegisterHints(SDL_HintCallback callback, void *userdata)
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+{
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+ SDL_AddHintCallback(SDL_HINT_JOYSTICK_HIDAPI_ZUIKI, callback, userdata);
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+}
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+
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+static void HIDAPI_DriverZUIKI_UnregisterHints(SDL_HintCallback callback, void *userdata)
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+{
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+ SDL_RemoveHintCallback(SDL_HINT_JOYSTICK_HIDAPI_ZUIKI, callback, userdata);
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+}
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+
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+static bool HIDAPI_DriverZUIKI_IsEnabled(void)
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+{
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+ return SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI_ZUIKI, SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI, SDL_HIDAPI_DEFAULT));
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+}
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+
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+static bool HIDAPI_DriverZUIKI_IsSupportedDevice(SDL_HIDAPI_Device *device, const char *name, SDL_GamepadType type, Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, int interface_class, int interface_subclass, int interface_protocol)
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+{
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+ if (vendor_id == USB_VENDOR_ZUIKI) {
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+ switch (product_id) {
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+ case USB_PRODUCT_ZUIKI_MASCON_PRO:
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+ return true;
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+ default:
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+ break;
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+ }
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+ }
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+ return false;
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+}
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+
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+static bool HIDAPI_DriverZUIKI_InitDevice(SDL_HIDAPI_Device *device)
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+{
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+ SDL_DriverZUIKI_Context *ctx = (SDL_DriverZUIKI_Context *)SDL_calloc(1, sizeof(*ctx));
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+ if (!ctx) {
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+ return false;
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+ }
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+ device->context = ctx;
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+
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+ if (device->product_id == USB_PRODUCT_ZUIKI_MASCON_PRO) {
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+ HIDAPI_SetDeviceName(device, "ZUIKI MASCON PRO");
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+ }
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+
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+ return HIDAPI_JoystickConnected(device, NULL);
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+}
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+
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+static int HIDAPI_DriverZUIKI_GetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id)
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+{
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+ return -1;
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+}
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+
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+static void HIDAPI_DriverZUIKI_SetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id, int player_index)
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+{
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+}
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+
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+#ifndef DEG2RAD
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+#define DEG2RAD(x) ((float)(x) * (float)(SDL_PI_F / 180.f))
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+#endif
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+
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+static bool HIDAPI_DriverZUIKI_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
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+{
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+ SDL_DriverZUIKI_Context *ctx = (SDL_DriverZUIKI_Context *)device->context;
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+
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+ SDL_AssertJoysticksLocked();
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+
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+ SDL_zeroa(ctx->last_state);
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+
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+ joystick->nbuttons = 11;
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+ joystick->naxes = SDL_GAMEPAD_AXIS_COUNT;
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+ joystick->nhats = 1;
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+
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+ return true;
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+}
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+
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+static bool HIDAPI_DriverZUIKI_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble)
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+{
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+ Uint8 rumble_packet[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
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+ rumble_packet[4] = low_frequency_rumble >> 8;
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+ rumble_packet[5] = high_frequency_rumble >> 8;
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+ if (SDL_HIDAPI_SendRumble(device, rumble_packet, sizeof(rumble_packet)) != sizeof(rumble_packet)) {
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+ return SDL_SetError("Couldn't send rumble packet");
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+ }
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+ return true;
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+}
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+
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+static bool HIDAPI_DriverZUIKI_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble)
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+{
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+ return SDL_Unsupported();
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+}
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+
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+static Uint32 HIDAPI_DriverZUIKI_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
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+{
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+ Uint32 caps = 0;
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+ caps |= SDL_JOYSTICK_CAP_RUMBLE;
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+ return caps;
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+}
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+
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+static bool HIDAPI_DriverZUIKI_SetJoystickLED(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue)
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+{
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+ return SDL_Unsupported();
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+}
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+
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+static bool HIDAPI_DriverZUIKI_SendJoystickEffect(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, const void *data, int size)
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+{
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+ if (SDL_HIDAPI_SendRumble(device, data, size) != size) {
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+ return SDL_SetError("Couldn't send rumble packet");
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+ }
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+ return true;
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+}
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+
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+static bool HIDAPI_DriverZUIKI_SetJoystickSensorsEnabled(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, bool enabled)
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+{
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+ return SDL_Unsupported();
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+}
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+
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+static void HIDAPI_DriverZUIKI_HandleOldStatePacket(SDL_Joystick *joystick, SDL_DriverZUIKI_Context *ctx, Uint8 *data, int size)
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+{
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+ Sint16 axis;
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+ Uint64 timestamp = SDL_GetTicksNS();
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+
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+ if (ctx->last_state[2] != data[2]) {
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+ Uint8 hat;
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+
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+ switch (data[2]) {
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+ case 0:
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+ hat = SDL_HAT_UP;
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+ break;
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+ case 1:
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+ hat = SDL_HAT_RIGHTUP;
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+ break;
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+ case 2:
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+ hat = SDL_HAT_RIGHT;
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+ break;
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+ case 3:
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+ hat = SDL_HAT_RIGHTDOWN;
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+ break;
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+ case 4:
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+ hat = SDL_HAT_DOWN;
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+ break;
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+ case 5:
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+ hat = SDL_HAT_LEFTDOWN;
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+ break;
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+ case 6:
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+ hat = SDL_HAT_LEFT;
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+ break;
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+ case 7:
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+ hat = SDL_HAT_LEFTUP;
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+ break;
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+ default:
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+ hat = SDL_HAT_CENTERED;
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+ break;
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+ }
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+ SDL_SendJoystickHat(timestamp, joystick, 0, hat);
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+ }
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+
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+ if (ctx->last_state[0] != data[0]) {
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+ SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_NORTH, ((data[0] & 0x01) != 0));
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+ SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_EAST, ((data[0] & 0x02) != 0));
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+ SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_SOUTH, ((data[0] & 0x04) != 0));
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+ SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_WEST, ((data[0] & 0x08) != 0));
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+ SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_LEFT_SHOULDER, ((data[0] & 0x10) != 0));
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+ SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER, ((data[0] & 0x20) != 0));
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+ SDL_SendJoystickAxis(timestamp, joystick, SDL_GAMEPAD_AXIS_LEFT_TRIGGER, (data[0] & 0x40) ? SDL_MAX_SINT16 : SDL_MIN_SINT16);
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+ SDL_SendJoystickAxis(timestamp, joystick, SDL_GAMEPAD_AXIS_RIGHT_TRIGGER, (data[0] & 0x80) ? SDL_MAX_SINT16 : SDL_MIN_SINT16);
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+ }
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+
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+ if (ctx->last_state[1] != data[1]) {
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+ SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_BACK, ((data[1] & 0x01) != 0));
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+ SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_START, ((data[1] & 0x02) != 0));
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+ SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_LEFT_STICK, ((data[1] & 0x04) != 0));
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+ SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_RIGHT_STICK, ((data[1] & 0x08) != 0));
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+ SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_GUIDE, ((data[1] & 0x10) != 0));
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+ SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_MISC1, ((data[1] & 0x20) != 0));
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+ /* todo for switch C key */
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+ }
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+
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+#define READ_STICK_AXIS(offset) \
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+ (data[offset] == 0x7f ? 0 : (Sint16)HIDAPI_RemapVal((float)((int)data[offset] - 0x7f), -0x7f, 0xff - 0x7f, SDL_MIN_SINT16, SDL_MAX_SINT16))
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+ {
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+ axis = READ_STICK_AXIS(3);
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+ SDL_SendJoystickAxis(timestamp, joystick, SDL_GAMEPAD_AXIS_LEFTX, axis);
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+ axis = READ_STICK_AXIS(4);
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+ SDL_SendJoystickAxis(timestamp, joystick, SDL_GAMEPAD_AXIS_LEFTY, axis);
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+ axis = READ_STICK_AXIS(5);
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+ SDL_SendJoystickAxis(timestamp, joystick, SDL_GAMEPAD_AXIS_RIGHTX, axis);
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+ axis = READ_STICK_AXIS(6);
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+ SDL_SendJoystickAxis(timestamp, joystick, SDL_GAMEPAD_AXIS_RIGHTY, axis);
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+ }
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+#undef READ_STICK_AXIS
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+
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+ SDL_memcpy(ctx->last_state, data, SDL_min(size, sizeof(ctx->last_state)));
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+}
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+
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+static bool HIDAPI_DriverZUIKI_UpdateDevice(SDL_HIDAPI_Device *device)
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+{
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+ SDL_DriverZUIKI_Context *ctx = (SDL_DriverZUIKI_Context *)device->context;
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+ SDL_Joystick *joystick = NULL;
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+ Uint8 data[USB_PACKET_LENGTH];
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+ int size = 0;
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+
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+ if (device->num_joysticks > 0) {
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+ joystick = SDL_GetJoystickFromID(device->joysticks[0]);
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+ } else {
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+ return false;
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+ }
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+
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+ while ((size = SDL_hid_read_timeout(device->dev, data, sizeof(data), 0)) > 0) {
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+#ifdef DEBUG_ZUIKI_PROTOCOL
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+ HIDAPI_DumpPacket("ZUIKI packet: size = %d", data, size);
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+#endif
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+ if (!joystick) {
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+ continue;
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+ }
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+
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+ if (size == 8) {
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+ HIDAPI_DriverZUIKI_HandleOldStatePacket(joystick, ctx, data, size);
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+ }
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+ }
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+
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+ if (size < 0) {
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+ // Read error, device is disconnected
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+ HIDAPI_JoystickDisconnected(device, device->joysticks[0]);
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+ }
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+ return (size >= 0);
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+}
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+
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+static void HIDAPI_DriverZUIKI_CloseJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
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+{
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+}
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+
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+static void HIDAPI_DriverZUIKI_FreeDevice(SDL_HIDAPI_Device *device)
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+{
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+}
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+
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+SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverZUIKI = {
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+ SDL_HINT_JOYSTICK_HIDAPI_ZUIKI,
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+ true,
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+ HIDAPI_DriverZUIKI_RegisterHints,
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+ HIDAPI_DriverZUIKI_UnregisterHints,
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+ HIDAPI_DriverZUIKI_IsEnabled,
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+ HIDAPI_DriverZUIKI_IsSupportedDevice,
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+ HIDAPI_DriverZUIKI_InitDevice,
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+ HIDAPI_DriverZUIKI_GetDevicePlayerIndex,
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+ HIDAPI_DriverZUIKI_SetDevicePlayerIndex,
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+ HIDAPI_DriverZUIKI_UpdateDevice,
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+ HIDAPI_DriverZUIKI_OpenJoystick,
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+ HIDAPI_DriverZUIKI_RumbleJoystick,
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+ HIDAPI_DriverZUIKI_RumbleJoystickTriggers,
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+ HIDAPI_DriverZUIKI_GetJoystickCapabilities,
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+ HIDAPI_DriverZUIKI_SetJoystickLED,
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+ HIDAPI_DriverZUIKI_SendJoystickEffect,
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+ HIDAPI_DriverZUIKI_SetJoystickSensorsEnabled,
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+ HIDAPI_DriverZUIKI_CloseJoystick,
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+ HIDAPI_DriverZUIKI_FreeDevice,
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+};
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+
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+#endif // SDL_JOYSTICK_HIDAPI_ZUIKI
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+
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+#endif // SDL_JOYSTICK_HIDAPI
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zuiki_inn