- Forgot to actually add new joystick code.

SVN r2940 (trunk)

src/sdl/i_joystick.cpp

@@ -0,0 +1,211 @@
+#include <SDL_joystick.h>
+
+#include "m_joy.h"
+
+class SDLInputJoystick: public IJoystickConfig
+{
+public:
+	SDLInputJoystick(int DeviceIndex) : DeviceIndex(DeviceIndex), Multiplier(1.0f)
+	{
+		Device = SDL_JoystickOpen(DeviceIndex);
+		if(Device != NULL)
+			SetDefaultConfig();
+	}
+	~SDLInputJoystick()
+	{
+		if(Device != NULL)
+			M_SaveJoystickConfig(this);
+		SDL_JoystickClose(Device);
+	}
+
+	bool IsValid() const
+	{
+		return Device != NULL;
+	}
+
+	FString GetName()
+	{
+		return SDL_JoystickName(DeviceIndex);
+	}
+	float GetSensitivity()
+	{
+		return Multiplier;
+	}
+	void SetSensitivity(float scale)
+	{
+		Multiplier = scale;
+	}
+
+	int GetNumAxes()
+	{
+		return SDL_JoystickNumAxes(Device);
+	}
+	float GetAxisDeadZone(int axis)
+	{
+		return Axes[axis].DeadZone;
+	}
+	EJoyAxis GetAxisMap(int axis)
+	{
+		return Axes[axis].GameAxis;
+	}
+	const char *GetAxisName(int axis)
+	{
+		return Axes[axis].Name.GetChars();
+	}
+	float GetAxisScale(int axis)
+	{
+		return Axes[axis].Multiplier;
+	}
+
+	void SetAxisDeadZone(int axis, float zone)
+	{
+		Axes[axis].DeadZone = zone;
+	}
+	void SetAxisMap(int axis, EJoyAxis gameaxis)
+	{
+		Axes[axis].GameAxis = gameaxis;
+	}
+	void SetAxisScale(int axis, float scale)
+	{
+		Axes[axis].Multiplier = scale;
+	}
+
+	// Used by the saver to not save properties that are at their defaults.
+	bool IsSensitivityDefault()
+	{
+		return Multiplier == 1.0f;
+	}
+	bool IsAxisDeadZoneDefault(int axis)
+	{
+		return Axes[axis].DeadZone == 0.0f;
+	}
+	bool IsAxisMapDefault(int axis)
+	{
+		if(axis >= 5)
+			return Axes[axis].GameAxis == JOYAXIS_None;
+		return Axes[axis].GameAxis == DefaultAxes[axis];
+	}
+	bool IsAxisScaleDefault(int axis)
+	{
+		return Axes[axis].Multiplier == 1.0f;
+	}
+
+	void SetDefaultConfig()
+	{
+		for(int i = 0;i < GetNumAxes();i++)
+		{
+			AxisInfo info;
+			info.Name.Format("Axis %d", i);
+			info.DeadZone = 0.0f;
+			info.Multiplier = 1.0f;
+			if(i >= 5)
+				info.GameAxis = JOYAXIS_None;
+			else
+				info.GameAxis = DefaultAxes[i];
+			Axes.Push(info);
+		}
+	}
+	FString GetIdentifier()
+	{
+		char id[16];
+		mysnprintf(id, countof(id), "JS:%d", DeviceIndex);
+		return id;
+	}
+
+	void AddAxes(float axes[NUM_JOYAXIS])
+	{
+		// Add to game axes.
+		for (int i = 0; i < GetNumAxes(); ++i)
+		{
+			axes[Axes[i].GameAxis] -= float(((double)SDL_JoystickGetAxis(Device, i)/32768.0) * Multiplier * Axes[i].Multiplier);
+		}
+	}
+
+protected:
+	struct AxisInfo
+	{
+		FString Name;
+		float DeadZone;
+		float Multiplier;
+		EJoyAxis GameAxis;
+	};
+	static const EJoyAxis DefaultAxes[5];
+
+	int					DeviceIndex;
+	SDL_Joystick		*Device;
+
+	float				Multiplier;
+	TArray<AxisInfo>	Axes;
+};
+const EJoyAxis SDLInputJoystick::DefaultAxes[5] = {JOYAXIS_Side, JOYAXIS_Forward, JOYAXIS_Pitch, JOYAXIS_Yaw, JOYAXIS_Up};
+
+class SDLInputJoystickManager
+{
+public:
+	SDLInputJoystickManager()
+	{
+		for(int i = 0;i < SDL_NumJoysticks();i++)
+		{
+			SDLInputJoystick *device = new SDLInputJoystick(i);
+			if(device->IsValid())
+				Joysticks.Push(device);
+			else
+				delete device;
+		}
+	}
+	~SDLInputJoystickManager()
+	{
+		for(unsigned int i = 0;i < Joysticks.Size();i++)
+			delete Joysticks[i];
+	}
+
+	void AddAxes(float axes[NUM_JOYAXIS])
+	{
+		for(unsigned int i = 0;i < Joysticks.Size();i++)
+			Joysticks[i]->AddAxes(axes);
+	}
+	void GetDevices(TArray<IJoystickConfig *> &sticks)
+	{
+		for(unsigned int i = 0;i < Joysticks.Size();i++)
+		{
+			M_LoadJoystickConfig(Joysticks[i]);
+			sticks.Push(Joysticks[i]);
+		}
+	}
+protected:
+	TArray<SDLInputJoystick *> Joysticks;
+};
+static SDLInputJoystickManager *JoystickManager;
+
+void I_StartupJoysticks()
+{
+	JoystickManager = new SDLInputJoystickManager();
+}
+void I_ShutdownJoysticks()
+{
+	delete JoystickManager;
+}
+
+void I_GetJoysticks(TArray<IJoystickConfig *> &sticks)
+{
+	sticks.Clear();
+
+	JoystickManager->GetDevices(sticks);
+}
+
+void I_GetAxes(float axes[NUM_JOYAXIS])
+{
+	for (int i = 0; i < NUM_JOYAXIS; ++i)
+	{
+		axes[i] = 0;
+	}
+	if (use_joystick)
+	{
+		JoystickManager->AddAxes(axes);
+	}
+}
+
+IJoystickConfig *I_UpdateDeviceList()
+{
+	return NULL;
+}