1 files changed, 315 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/joystick/haiku/SDL_haikujoystick.cc b/contrib/SDL-3.2.8/src/joystick/haiku/SDL_haikujoystick.cc
new file mode 100644
index 0000000..977e4fc
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/joystick/haiku/SDL_haikujoystick.cc
@@ -0,0 +1,315 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_JOYSTICK_HAIKU
+
+// This is the Haiku implementation of the SDL joystick API
+
+#include <support/String.h>
+#include <device/Joystick.h>
+
+extern "C"
+{
+
+#include "../SDL_sysjoystick.h"
+#include "../SDL_joystick_c.h"
+
+
+// The maximum number of joysticks we'll detect
+#define MAX_JOYSTICKS   16
+
+// A list of available joysticks
+    static char *SDL_joyport[MAX_JOYSTICKS];
+    static char *SDL_joyname[MAX_JOYSTICKS];
+
+// The private structure used to keep track of a joystick
+    struct joystick_hwdata
+    {
+        BJoystick *stick;
+        uint8 *new_hats;
+        int16 *new_axes;
+    };
+
+    static int numjoysticks = 0;
+
+    static bool HAIKU_JoystickInit(void)
+    {
+        BJoystick joystick;
+        int i;
+        int32 nports;
+        char name[B_OS_NAME_LENGTH];
+
+        // Search for attached joysticks
+        nports = joystick.CountDevices();
+        numjoysticks = 0;
+        SDL_memset(SDL_joyport, 0, sizeof(SDL_joyport));
+        SDL_memset(SDL_joyname, 0, sizeof(SDL_joyname));
+        for (i = 0; (numjoysticks < MAX_JOYSTICKS) && (i < nports); ++i) {
+            if (joystick.GetDeviceName(i, name) == B_OK) {
+                if (joystick.Open(name) != B_ERROR) {
+                    BString stick_name;
+                    joystick.GetControllerName(&stick_name);
+                    SDL_joyport[numjoysticks] = SDL_strdup(name);
+                    SDL_joyname[numjoysticks] = SDL_CreateJoystickName(0, 0, NULL, stick_name.String());
+                    numjoysticks++;
+                    joystick.Close();
+
+                    SDL_PrivateJoystickAdded(numjoysticks);
+                }
+            }
+        }
+        return true;
+    }
+
+    static int HAIKU_JoystickGetCount(void)
+    {
+        return numjoysticks;
+    }
+
+    static void HAIKU_JoystickDetect(void)
+    {
+    }
+
+    static bool HAIKU_JoystickIsDevicePresent(Uint16 vendor_id, Uint16 product_id, Uint16 version, const char *name)
+    {
+        // We don't override any other drivers
+        return false;
+    }
+
+    static const char *HAIKU_JoystickGetDeviceName(int device_index)
+    {
+        return SDL_joyname[device_index];
+    }
+
+    static const char *HAIKU_JoystickGetDevicePath(int device_index)
+    {
+        return SDL_joyport[device_index];
+    }
+
+    static int HAIKU_JoystickGetDeviceSteamVirtualGamepadSlot(int device_index)
+    {
+        return -1;
+    }
+
+    static int HAIKU_JoystickGetDevicePlayerIndex(int device_index)
+    {
+        return -1;
+    }
+
+    static void HAIKU_JoystickSetDevicePlayerIndex(int device_index, int player_index)
+    {
+    }
+
+    static SDL_JoystickID HAIKU_JoystickGetDeviceInstanceID(int device_index)
+    {
+        return device_index + 1;
+    }
+
+    static void HAIKU_JoystickClose(SDL_Joystick *joystick);
+
+    static bool HAIKU_JoystickOpen(SDL_Joystick *joystick, int device_index)
+    {
+        BJoystick *stick;
+
+        // Create the joystick data structure
+        joystick->hwdata = (struct joystick_hwdata *) SDL_calloc(1, sizeof(*joystick->hwdata));
+        if (joystick->hwdata == NULL) {
+            return false;
+        }
+        stick = new BJoystick;
+        joystick->hwdata->stick = stick;
+
+        // Open the requested joystick for use
+        if (stick->Open(SDL_joyport[device_index]) == B_ERROR) {
+            HAIKU_JoystickClose(joystick);
+            return SDL_SetError("Unable to open joystick");
+        }
+
+        // Set the joystick to calibrated mode
+        stick->EnableCalibration();
+
+        // Get the number of buttons, hats, and axes on the joystick
+        joystick->nbuttons = stick->CountButtons();
+        joystick->naxes = stick->CountAxes();
+        joystick->nhats = stick->CountHats();
+
+        joystick->hwdata->new_axes = (int16 *) SDL_calloc(joystick->naxes, sizeof(int16));
+        joystick->hwdata->new_hats = (uint8 *) SDL_calloc(joystick->nhats, sizeof(uint8));
+        if (!joystick->hwdata->new_hats || !joystick->hwdata->new_axes) {
+            HAIKU_JoystickClose(joystick);
+            return false;
+        }
+
+        // We're done!
+        return true;
+    }
+
+/* Function to update the state of a joystick - called as a device poll.
+ * This function shouldn't update the joystick structure directly,
+ * but instead should call SDL_PrivateJoystick*() to deliver events
+ * and update joystick device state.
+ */
+    static void HAIKU_JoystickUpdate(SDL_Joystick *joystick)
+    {
+        static const Uint8 hat_map[9] = {
+            SDL_HAT_CENTERED,
+            SDL_HAT_UP,
+            SDL_HAT_RIGHTUP,
+            SDL_HAT_RIGHT,
+            SDL_HAT_RIGHTDOWN,
+            SDL_HAT_DOWN,
+            SDL_HAT_LEFTDOWN,
+            SDL_HAT_LEFT,
+            SDL_HAT_LEFTUP
+        };
+
+        BJoystick *stick;
+        int i;
+        int16 *axes;
+        uint8 *hats;
+        uint32 buttons;
+        Uint64 timestamp = SDL_GetTicksNS();
+
+        // Set up data pointers
+        stick = joystick->hwdata->stick;
+        axes = joystick->hwdata->new_axes;
+        hats = joystick->hwdata->new_hats;
+
+        // Get the new joystick state
+        stick->Update();
+        stick->GetAxisValues(axes);
+        stick->GetHatValues(hats);
+        buttons = stick->ButtonValues();
+
+        // Generate axis motion events
+        for (i = 0; i < joystick->naxes; ++i) {
+            SDL_SendJoystickAxis(timestamp, joystick, i, axes[i]);
+        }
+
+        // Generate hat change events
+        for (i = 0; i < joystick->nhats; ++i) {
+            SDL_SendJoystickHat(timestamp, joystick, i, hat_map[hats[i]]);
+        }
+
+        // Generate button events
+        for (i = 0; i < joystick->nbuttons; ++i) {
+            bool down = ((buttons & 0x01) != 0);
+            SDL_SendJoystickButton(timestamp, joystick, i, down);
+            buttons >>= 1;
+        }
+    }
+
+// Function to close a joystick after use
+    static void HAIKU_JoystickClose(SDL_Joystick *joystick)
+    {
+        if (joystick->hwdata) {
+            joystick->hwdata->stick->Close();
+            delete joystick->hwdata->stick;
+            SDL_free(joystick->hwdata->new_hats);
+            SDL_free(joystick->hwdata->new_axes);
+            SDL_free(joystick->hwdata);
+        }
+    }
+
+// Function to perform any system-specific joystick related cleanup
+    static void HAIKU_JoystickQuit(void)
+    {
+        int i;
+
+        for (i = 0; i < numjoysticks; ++i) {
+            SDL_free(SDL_joyport[i]);
+        }
+        SDL_joyport[0] = NULL;
+
+        for (i = 0; i < numjoysticks; ++i) {
+            SDL_free(SDL_joyname[i]);
+        }
+        SDL_joyname[0] = NULL;
+    }
+
+    static SDL_GUID HAIKU_JoystickGetDeviceGUID(int device_index)
+    {
+        // the GUID is just the name for now
+        const char *name = HAIKU_JoystickGetDeviceName(device_index);
+        return SDL_CreateJoystickGUIDForName(name);
+    }
+
+    static bool HAIKU_JoystickRumble(SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble)
+    {
+        return SDL_Unsupported();
+    }
+
+
+    static bool HAIKU_JoystickRumbleTriggers(SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble)
+    {
+        return SDL_Unsupported();
+    }
+
+    static bool HAIKU_JoystickGetGamepadMapping(int device_index, SDL_GamepadMapping *out)
+    {
+        return false;
+    }
+
+    static bool HAIKU_JoystickSetLED(SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue)
+    {
+        return SDL_Unsupported();
+    }
+
+
+    static bool HAIKU_JoystickSendEffect(SDL_Joystick *joystick, const void *data, int size)
+    {
+        return SDL_Unsupported();
+    }
+
+    static bool HAIKU_JoystickSetSensorsEnabled(SDL_Joystick *joystick, bool enabled)
+    {
+        return SDL_Unsupported();
+    }
+
+    SDL_JoystickDriver SDL_HAIKU_JoystickDriver =
+    {
+        HAIKU_JoystickInit,
+        HAIKU_JoystickGetCount,
+        HAIKU_JoystickDetect,
+        HAIKU_JoystickIsDevicePresent,
+        HAIKU_JoystickGetDeviceName,
+        HAIKU_JoystickGetDevicePath,
+        HAIKU_JoystickGetDeviceSteamVirtualGamepadSlot,
+        HAIKU_JoystickGetDevicePlayerIndex,
+        HAIKU_JoystickSetDevicePlayerIndex,
+        HAIKU_JoystickGetDeviceGUID,
+        HAIKU_JoystickGetDeviceInstanceID,
+        HAIKU_JoystickOpen,
+        HAIKU_JoystickRumble,
+        HAIKU_JoystickRumbleTriggers,
+        HAIKU_JoystickSetLED,
+        HAIKU_JoystickSendEffect,
+        HAIKU_JoystickSetSensorsEnabled,
+        HAIKU_JoystickUpdate,
+        HAIKU_JoystickClose,
+        HAIKU_JoystickQuit,
+        HAIKU_JoystickGetGamepadMapping
+    };
+
+}                              // extern "C"
+
+#endif // SDL_JOYSTICK_HAIKU