temporary

2003-06-22 22:54:22 +00:00
parent 1715fc1409
commit f789a441ac
5 changed files with 503 additions and 0 deletions
@@ -0,0 +1,120 @@
+#include "global.h"
+#include "InputHandler_Linux_Joystick.h"
+#include "RageLog.h"
+#include "RageUtil.h"
+#include "InputFilter.h"
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <linux/types.h>
+#include <linux/joystick.h>
+
+static const char *Paths[InputHandler_Linux_Joystick::NUM_JOYSTICKS] =
+{
+	"/dev/js0",
+	"/dev/js1",
+};
+
+InputHandler_Linux_Joystick::InputHandler_Linux_Joystick()
+{
+	for(int i = 0; i < NUM_JOYSTICKS; ++i)
+		fds[i] = -1;
+
+	for(int i = 0; i < NUM_JOYSTICKS; ++i)
+	{
+		fds[i] = open(Paths[i], O_RDONLY);
+
+		if(fds[i] != -1)
+			LOG->Info("Opened %s", Paths[i]);
+	}
+}
+	
+InputHandler_Linux_Joystick::~InputHandler_Linux_Joystick()
+{
+	for(int i = 0; i < NUM_JOYSTICKS; ++i)
+		if(fds[i] != -1) close(fds[i]);
+}
+
+void InputHandler_Linux_Joystick::Update(float fDeltaTime)
+{
+	while(1)
+	{
+		fd_set fdset;
+		FD_ZERO(&fdset);
+		int max_fd = -1;
+		
+		for(int i = 0; i < NUM_JOYSTICKS; ++i)
+		{
+			if (fds[i] < 0)
+				continue;
+
+			FD_SET(fds[i], &fdset);
+			max_fd = max(max_fd, fds[i]);
+		}
+
+		if(max_fd == -1)
+			return;
+
+		struct timeval zero = {0,0};
+		if ( select(max_fd+1, &fdset, NULL, NULL, &zero) <= 0 )
+			return;
+
+		for(int i = 0; i < NUM_JOYSTICKS; ++i)
+		{
+			if(!FD_ISSET(fds[i], &fdset))
+				continue;
+
+			js_event event;
+			int ret = read(fds[i], &event, sizeof(event));
+			if(ret != sizeof(event))
+			{
+				LOG->Warn("Unexpected packet (size %i != %i) from joystick %i; disabled", ret, sizeof(event), i);
+				close(fds[i]);
+				fds[i] = -1;
+				continue;
+			}
+
+			InputDevice id = InputDevice(DEVICE_JOY1 + i);
+
+			event.type &= ~JS_EVENT_INIT;
+			switch (event.type) {
+			case JS_EVENT_BUTTON: {
+				INPUTFILTER->ButtonPressed(DeviceInput(id, JOY_1 + event.number), event.value);
+				break;
+			}
+				
+			case JS_EVENT_AXIS: {
+				JoystickButton neg = (JoystickButton)(JOY_LEFT+2*event.number);
+				JoystickButton pos = (JoystickButton)(JOY_RIGHT+2*event.number);
+				INPUTFILTER->ButtonPressed(DeviceInput(id, neg), event.value < -16000);
+				INPUTFILTER->ButtonPressed(DeviceInput(id, pos), event.value > +16000);
+				break;
+			}
+				
+			default:
+				LOG->Warn("Unexpected packet (type %i) from joystick %i; disabled", event.type, i);
+				close(fds[i]);
+				fds[i] = -1;
+				continue;
+			}
+
+		}
+
+	}
+}
+
+void InputHandler_Linux_Joystick::GetDevicesAndDescriptions(vector<InputDevice>& vDevicesOut, vector<CString>& vDescriptionsOut)
+{
+	for(int i = 0; i < NUM_JOYSTICKS; ++i)
+	{
+		if (fds[i] < 0)
+			continue;
+
+		vDevicesOut.push_back( InputDevice(DEVICE_JOY1+i) );
+		vDescriptionsOut.push_back( ssprintf("Joystick %i", i) );
+	}
+}
+
+