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-rw-r--r--mariokart01.cpp156
-rw-r--r--mupen64plus-input-sdl.patch204
2 files changed, 340 insertions, 20 deletions
diff --git a/mariokart01.cpp b/mariokart01.cpp
index 3eb5a73..f3e0039 100644
--- a/mariokart01.cpp
+++ b/mariokart01.cpp
@@ -20,6 +20,8 @@
*/
+#define FREEBSD
+
#include <vector>
#include <unistd.h>
#include <stdio.h>
@@ -29,6 +31,11 @@
#include <semaphore.h>
#include <fcntl.h>
+#ifdef LINUX
+#include <linux/input.h>
+#include <linux/uinput.h>
+#endif
+
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -224,7 +231,7 @@ void XorgGrabber::read(Mat& mat)
#define THROTTLE_CNT_MAX 10
-
+#ifdef FREEBSD
typedef union {
unsigned int Value;
struct {
@@ -280,12 +287,12 @@ char* pack(const BUTTONS* buttons, char* buf)
return buf;
}
-
+#endif
class Joystick
{
public:
- Joystick(const char* fifo);
+ Joystick();
void steer(float dir, float dead_zone=0.0);
void throttle(float t);
void press_a(bool);
@@ -295,18 +302,21 @@ class Joystick
void reset();
private:
+#ifdef FREEBSD
BUTTONS buttons;
void send_data();
int fifo_fd;
+#endif
float throt;
int throttle_cnt;
};
-Joystick::Joystick(const char* fifo)
+#ifdef FREEBSD
+Joystick::Joystick()
{
- if ((fifo_fd=open(fifo, O_WRONLY )) == -1) {throw string(strerror(errno));}
+ if ((fifo_fd=open("/var/tmp/mupen64plus_ctl", O_WRONLY )) == -1) {throw string(strerror(errno));}
cout << "opened" << endl;
if (fcntl(fifo_fd, F_SETFL, O_NONBLOCK) == -1) throw string("failed to set nonblocking io");
@@ -339,6 +349,111 @@ void Joystick::steer(float dir, float dead_zone)
send_data();
}
+void Joystick::reset()
+{
+ memset(&buttons, sizeof(buttons), 0);
+ buttons.Z_TRIG=0;
+ buttons.R_TRIG=0;
+ buttons.L_TRIG=0;
+ buttons.A_BUTTON=0;
+ buttons.B_BUTTON=0;
+ send_data();
+}
+
+#endif
+#ifdef LINUX
+Joystick::Joystick()
+{
+ fd = open("/dev/uinput", O_WRONLY | O_NONBLOCK);
+ if(fd < 0) {
+ cerr << "open uinput failed. do you have privilegies to access it? (try chown flo:root /dev/uinput)" << endl;
+ exit(EXIT_FAILURE);
+ }
+
+ int ret;
+
+ ret=ioctl(fd, UI_SET_EVBIT, EV_KEY);
+ ret=ioctl(fd, UI_SET_EVBIT, EV_SYN);
+ ret=ioctl(fd, UI_SET_KEYBIT , BTN_A);
+ ioctl(fd, UI_SET_EVBIT, EV_ABS);
+ ioctl(fd, UI_SET_ABSBIT, ABS_X);
+ ioctl(fd, UI_SET_ABSBIT, ABS_Y);
+
+ struct uinput_user_dev meh;
+ memset(&meh,0,sizeof(meh));
+
+ strcpy(meh.name, "flotest");
+ meh.id.bustype=BUS_USB;
+ meh.id.vendor=0xdead;
+ meh.id.product=0xbeef;
+ meh.id.version=1;
+ meh.absmin[ABS_X]=0;
+ meh.absmax[ABS_X]=10000;
+ meh.absmin[ABS_Y]=0;
+ meh.absmax[ABS_Y]=10000;
+
+
+ ret=write(fd, &meh, sizeof(meh));
+
+ ioctl(fd,UI_DEV_CREATE);
+
+ reset();
+}
+
+Joystick::~Joystick()
+{
+ ioctl(fd, UI_DEV_DESTROY);
+ close(fd);
+}
+
+void Joystick::steer(float dir, float dead_zone)
+{
+ if (dir<-1.0) dir=-1.0;
+ if (dir>1.0) dir=1.0;
+
+ if (fabs(dir)<dead_zone) dir=0.0;
+
+ struct input_event ev;
+ ev.type=EV_ABS;
+ ev.code=ABS_X;
+ ev.value=5000+dir*5000;
+ write(fd, &ev, sizeof(ev));
+}
+
+
+void Joystick::press_a(bool a)
+{
+ struct input_event ev;
+ ev.type=EV_KEY;
+ ev.code=BTN_A;
+ ev.value = a ? 1 : 0;
+ write(fd, &ev, sizeof(ev));
+}
+
+void Joystick::reset()
+{
+ struct input_event ev;
+ ev.type=EV_ABS;
+ ev.code=ABS_Y;
+ ev.value=5001;
+ write(fd, &ev, sizeof(ev));
+ ev.value=5000;
+ write(fd, &ev, sizeof(ev));
+
+ cout << "Y zeroed" << endl;
+
+ steer(0.1);
+ steer(0);
+ cout << "X zeroed" << endl;
+
+ press_a(true);
+ press_a(false);
+ cout << "A zeroed" << endl;
+}
+
+#endif
+
+
void Joystick::throttle(float t)
{
if (t<0.0) t=0.0;
@@ -355,17 +470,6 @@ void Joystick::process()
press_a((throttle_cnt < throt*THROTTLE_CNT_MAX));
}
-void Joystick::reset()
-{
- memset(&buttons, sizeof(buttons), 0);
- buttons.Z_TRIG=0;
- buttons.R_TRIG=0;
- buttons.L_TRIG=0;
- buttons.A_BUTTON=0;
- buttons.B_BUTTON=0;
- send_data();
-}
-
#define HIST_SMOOTH 7
@@ -534,14 +638,18 @@ try {
string tmp;
-
+#ifdef LINUX
+ Joystick joystick;
+ cout << "joystick initalized, now starting mupen." << endl;
+#endif
if (fork()==0) { system("mupen64plus --nogui --noask ~/MarioKart64.rom"); exit(0); }
+#ifdef FREEBSD
sleep(2);
+ Joystick joystick;
+#endif
- Joystick joystick("/var/tmp/mupen64plus_ctl");
-
sleep(1);
joystick.reset();
@@ -577,9 +685,17 @@ try {
cout << "waiting for game to start, press enter when started." << endl;
joystick.press_a(false);
+ joystick.reset();
getchar();
-
+joystick.reset();
+joystick.press_a(true);
+getchar();
+#ifdef LINUX
+ XorgGrabber capture("glN64");
+#endif
+#ifdef FREEBSD
XorgGrabber capture("Mupen64Plus OpenGL Video");
+#endif
int road_0=77, road_1=77, road_2=77;
diff --git a/mupen64plus-input-sdl.patch b/mupen64plus-input-sdl.patch
new file mode 100644
index 0000000..20e1f91
--- /dev/null
+++ b/mupen64plus-input-sdl.patch
@@ -0,0 +1,204 @@
+diff -ru mupen64plus-bundle-src-1.99.4-orig/source/mupen64plus-input-sdl/src/plugin.c mupen64plus-bundle-src-1.99.4/source/mupen64plus-input-sdl/src/plugin.c
+--- mupen64plus-bundle-src-1.99.4-orig/source/mupen64plus-input-sdl/src/plugin.c 2012-11-20 20:38:20.000000000 +0100
++++ mupen64plus-bundle-src-1.99.4/source/mupen64plus-input-sdl/src/plugin.c 2012-11-26 18:17:51.000000000 +0100
+@@ -24,6 +24,12 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
++#include <errno.h>
++#include <fcntl.h>
++#include <unistd.h>
++#include <sys/types.h>
++#include <sys/stat.h>
++#include <sys/uio.h>
+
+ #include <SDL.h>
+
+@@ -133,6 +139,151 @@
+
+ static CONTROL temp_core_controlinfo[4];
+
++/* FIFO-Control functions by flo */
++static BUTTONS unpack_fifo_data(const char* buf)
++{
++ BUTTONS buttons;
++
++ buttons.A_BUTTON = (buf[0] & 1) ? 1 : 0;
++ buttons.B_BUTTON = (buf[0] & 2) ? 1 : 0;
++ buttons.L_TRIG = (buf[0] & 4) ? 1 : 0;
++ buttons.R_TRIG = (buf[0] & 8) ? 1 : 0;
++ buttons.Z_TRIG = (buf[0] & 16) ? 1 : 0;
++ buttons.START_BUTTON = (buf[0] & 32) ? 1 : 0;
++ buttons.R_DPAD = (buf[1] & 1) ? 1 : 0;
++ buttons.L_DPAD = (buf[1] & 2) ? 1 : 0;
++ buttons.U_DPAD = (buf[1] & 4) ? 1 : 0;
++ buttons.D_DPAD = (buf[1] & 8) ? 1 : 0;
++ buttons.R_CBUTTON = (buf[2] & 2) ? 1 : 0;
++ buttons.L_CBUTTON = (buf[2] & 4) ? 1 : 0;
++ buttons.U_CBUTTON = (buf[2] & 8) ? 1 : 0;
++ buttons.D_CBUTTON = (buf[2] & 16) ? 1 : 0;
++
++ buttons.X_AXIS = buf[3] | ((buf[1] & 16) ? 128 : 0);
++ buttons.Y_AXIS = buf[4] | ((buf[1] & 32) ? 128 : 0);
++
++ return buttons;
++}
++
++typedef struct
++{
++ int fd;
++ int good;
++ char buf[5];
++ int bufptr;
++ int recovering;
++ BUTTONS buttons;
++
++} ctl_fifo_t;
++
++static ctl_fifo_t init_ctl_fifo(const char* path)
++{
++ ctl_fifo_t ctl_fifo;
++ ctl_fifo.fd=-1;
++ ctl_fifo.good=0;
++ ctl_fifo.bufptr=0;
++ ctl_fifo.recovering=0;
++
++ if (unlink(path) < 0)
++ if (errno!=ENOENT)
++ {
++ fprintf(stderr, "The control fifo (%s) could not be unlinked, continuing without remote control support: %s", path, strerror(errno));
++ ctl_fifo.good=0;
++ return ctl_fifo;
++ }
++
++
++ if (mkfifo(path, S_IRWXU)!=0)
++ {
++ fprintf(stderr, "The control fifo (%s) could not be created, continuing without remote control support: %s", path, strerror(errno));
++ ctl_fifo.good=0;
++ return ctl_fifo;
++ }
++
++ if ((ctl_fifo.fd=open(path, O_RDONLY | O_NONBLOCK))<0)
++ {
++ fprintf(stderr, "The control fifo (%s) could not be opened, continuing without remote control support: %s", path, strerror(errno));
++ ctl_fifo.good=0;
++ return ctl_fifo;
++ }
++
++ if (fcntl(ctl_fifo.fd, F_SETFL, O_NONBLOCK)==-1)
++ {
++ fprintf(stderr, "Could not set nonblocking io mode on control fifo, continuing without remote control support: %s", strerror(errno));
++ close(ctl_fifo.fd);
++ ctl_fifo.fd=-1;
++ ctl_fifo.good=0;
++ return ctl_fifo;
++ }
++
++ ctl_fifo.good=1;
++
++ return ctl_fifo;
++}
++
++static BUTTONS read_buttons_from_fifo(ctl_fifo_t* ctl_fifo)
++{
++ ssize_t bytes;
++
++ if (ctl_fifo->recovering)
++ {
++ do
++ {
++ ctl_fifo->bufptr=0;
++ if ((bytes = read(ctl_fifo->fd, ctl_fifo->buf, 1)) == -1 && errno!=EAGAIN)
++ {
++ printf("read error!\n");
++ }
++
++ //if (bytes==1) printf("\tread %c\n", ctl_fifo->buf[0]);
++ } while ((ctl_fifo->buf[0] & 128)==0 && bytes>0);
++
++ if (ctl_fifo->buf[0] & 128)
++ {
++ printf("successfully recovered :)\n");
++ ctl_fifo->recovering=0;
++ ctl_fifo->bufptr=1;
++ }
++ }
++
++
++ if (!ctl_fifo->recovering)
++ do
++ {
++ if ((bytes = read(ctl_fifo->fd, ctl_fifo->buf+ctl_fifo->bufptr, sizeof(ctl_fifo->buf)-ctl_fifo->bufptr)) == -1
++ && (errno!=EAGAIN))
++ {
++ printf("read error!\n");
++ }
++ else if (bytes>0)
++ {
++ ctl_fifo->bufptr+=bytes;
++ if (ctl_fifo->bufptr==sizeof(ctl_fifo->buf))
++ {
++ ctl_fifo->bufptr=0;
++
++ if (ctl_fifo->buf[0] & 128)
++ {
++ ctl_fifo->buttons = unpack_fifo_data(ctl_fifo->buf);
++ }
++ else
++ {
++ printf("fifo data corrupt, entering recovery mode\n");
++ ctl_fifo->recovering=1;
++ break;
++ }
++ }
++ }
++ } while (bytes>0);
++
++ return ctl_fifo->buttons;
++}
++
++static ctl_fifo_t ctl_fifo;
++static int ctl_fifo_inited=0;
++static int ctl_fifo_takeover=0;
++
++
+ /* Mupen64Plus plugin functions */
+ EXPORT m64p_error CALL PluginStartup(m64p_dynlib_handle CoreLibHandle, void *Context,
+ void (*DebugCallback)(void *, int, const char *))
+@@ -454,6 +605,12 @@
+ SDL_Event event;
+ unsigned char mstate;
+
++ if (ctl_fifo_inited==0)
++ {
++ ctl_fifo=init_ctl_fifo("/var/tmp/mupen64plus_ctl");
++ ctl_fifo_inited=1;
++ }
++
+ // Handle keyboard input first
+ doSdlKeys(SDL_GetKeyState(NULL));
+ doSdlKeys(myKeyState);
+@@ -596,7 +753,21 @@
+ #ifdef _DEBUG
+ DebugMessage(M64MSG_VERBOSE, "Controller #%d value: 0x%8.8X\n", Control, *(int *)&controller[Control].buttons );
+ #endif
+- *Keys = controller[Control].buttons;
++
++ if (Control==0)
++ {
++ BUTTONS fromfifo = read_buttons_from_fifo(&ctl_fifo);
++ if (fromfifo.A_BUTTON)
++ ctl_fifo_takeover=1;
++
++ if (ctl_fifo_takeover)
++ *Keys = fromfifo;
++ else
++ *Keys = controller[Control].buttons;
++
++ }
++ else
++ *Keys = controller[Control].buttons;
+
+ /* handle mempack / rumblepak switching (only if rumble is active on joystick) */
+ #ifdef __linux__