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mirror of synced 2024-11-24 02:00:09 +01:00

Add rideboard emulation

This commit is contained in:
Bobby Dilley 2022-07-20 20:43:44 +01:00
parent eca46a9fc7
commit 4ead43e0f7
4 changed files with 495 additions and 23 deletions

View File

@ -1,5 +1,6 @@
#include <GL/freeglut.h>
#include <GL/glx.h>
#include <X11/extensions/xf86vmode.h>
#include <dlfcn.h>
#include <stdio.h>
#include <string.h>
@ -108,7 +109,10 @@ int XDefineCursor(Display *display, Window w, Cursor cursor)
int XStoreName(Display *display, Window w, const char *window_name)
{
int (*_XStoreName)(Display * display, Window w, const char *window_name) = dlsym(RTLD_NEXT, "XStoreName");
return _XStoreName(display, w, getGameName());
char gameTitle[256] = {0};
strcat(gameTitle, getGameName());
strcat(gameTitle, " (X11)");
return _XStoreName(display, w, gameTitle);
}
int XNextEvent(Display *display, XEvent *event_return)
@ -118,32 +122,51 @@ int XNextEvent(Display *display, XEvent *event_return)
int returnValue = _XNextEvent(display, event_return);
switch (event_return->type)
{
case KeyPress:
switch (event_return->xkey.keycode)
{
case 28:
securityBoardSetSwitch(BUTTON_TEST, 1);
break;
case 39:
securityBoardSetSwitch(BUTTON_SERVICE, 1);
break;
default:
break;
}
break;
case KeyRelease:
case KeyPress:
{
switch (event_return->xkey.keycode)
{
case 28:
securityBoardSetSwitch(BUTTON_TEST, 0);
securityBoardSetSwitch(BUTTON_TEST, event_return->type == KeyPress);
break;
case 39:
securityBoardSetSwitch(BUTTON_SERVICE, 0);
securityBoardSetSwitch(BUTTON_SERVICE, event_return->type == KeyPress);
break;
case 14:
incrementCoin(PLAYER_1, event_return->type == KeyPress);
break;
case 15:
incrementCoin(PLAYER_2, event_return->type == KeyPress);
break;
case 111:
setSwitch(PLAYER_1, BUTTON_UP, event_return->type == KeyPress);
break;
case 116:
setSwitch(PLAYER_1, BUTTON_DOWN, event_return->type == KeyPress);
break;
case 113:
setSwitch(PLAYER_1, BUTTON_LEFT, event_return->type == KeyPress);
break;
case 114:
setSwitch(PLAYER_1, BUTTON_RIGHT, event_return->type == KeyPress);
break;
case 10:
setSwitch(PLAYER_1, BUTTON_START, event_return->type == KeyPress);
break;
default:
break;
}
break;
}
break;
case MotionNotify:
{
setAnalogue(ANALOGUE_1, ((double)event_return->xmotion.x / (double)getConfig()->width) * 255.0);
setAnalogue(ANALOGUE_2, ((double)event_return->xmotion.y / (double)getConfig()->height) * 255.0);
}
break;
}
return returnValue;
@ -157,3 +180,8 @@ int XSetStandardProperties(Display *display, Window window, const char *window_n
strcat(gameTitle, " (X11)");
return _XSetStandardProperties(display, window, gameTitle, icon_name, icon_pixmap, argv, argc, hints);
}
Bool XF86VidModeSwitchToMode(Display *display, int screen, XF86VidModeModeInfo *modeline)
{
return 0;
}

View File

@ -94,7 +94,7 @@ static void handleSegfault(int signal, siginfo_t *info, void *ptr)
default:
printf("Warning: Skipping SEGFAULT %X\n", *code);
ctx->uc_mcontext.gregs[REG_EIP]++;
//abort();
// abort();
}
}
@ -128,6 +128,12 @@ void __attribute__((constructor)) hook_init()
exit(1);
}
if (getConfig()->emulateRideboard)
{
if (initRideboard() != 0)
exit(1);
}
securityBoardSetDipResolution(getConfig()->width, getConfig()->height);
printf("Loader init success\n");
@ -222,7 +228,7 @@ ssize_t read(int fd, void *buf, size_t count)
return baseboardRead(fd, buf, count);
}
if (fd == hooks[SERIAL1] && getConfig()->emulateRideboard)
if (fd == hooks[SERIAL0] && getConfig()->emulateRideboard)
{
return rideboardRead(fd, buf, count);
}
@ -244,7 +250,7 @@ ssize_t write(int fd, const void *buf, size_t count)
return baseboardWrite(fd, buf, count);
}
if (fd == hooks[SERIAL1] && getConfig()->emulateRideboard)
if (fd == hooks[SERIAL0] && getConfig()->emulateRideboard)
{
return rideboardWrite(fd, buf, count);
}

View File

@ -2,13 +2,391 @@
#include <sys/types.h>
#include <stdint.h>
#include <fcntl.h>
#include <linux/serial.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <unistd.h>
#include "rideboard.h"
ssize_t rideboardRead(int fd, void *buf, size_t count) {
RideState rideState = {0};
/**
* SEGA Ride Board Emulator,
* for use with the following Lindbergh games:
*
* Let's Go Jungle Special!
* The House Of The Dead 4 Special
*
* Author: bobbydilley
* Thanks to: doozer, ags, harm
*/
/* Buffer packet sizes */
#define OUTPUT_PACKET_SIZE 22
#define INPUT_PACKET_SIZE 7
/* How long to wait for data before timing out */
#define READ_TIMEOUT 500
/* Enums to represent the different states of the MotionSelectSwitch */
#define MOTION_OFF 0
#define MOTION_MILD 1
#define MOTION_NORMAL 2
/**
* Process the input packet from the lindbergh into usable data
*
* Take the information encoded in the input packet, and set the
* state of the emulators virtual ride accordingly.
*
* @param packet The input packet to read from
* @param state The ride state to write to
* @returns 1 on success and 0 on failure
*/
int processInputPacket(char *packet, RideState *state)
{
/* Check the checksum is correct */
char checksum = 0;
for (int i = 1; i < INPUT_PACKET_SIZE - 1; i++)
checksum ^= packet[i];
if (checksum != packet[INPUT_PACKET_SIZE - 1])
{
printf("Error: Input checksum failed\n");
return 0;
}
/* Command Packet */
state->Command = packet[1];
/* Seat Command Packet */
state->SeatCommand = packet[2];
/* Gun Reaction / Blowers */
state->PlayerOneBlowFront = (packet[3] & 0b00000001) > 0;
state->PlayerTwoBlowFront = (packet[3] & 0b00000010) > 0;
state->PlayerOneBlowBack = (packet[3] & 0b00000100) > 0;
state->PlayerTwoBlowBack = (packet[3] & 0b00001000) > 0;
state->PlayerOneGunReaction = (packet[3] & 0b00010000) > 0;
state->PlayerTwoGunReaction = (packet[3] & 0b00100000) > 0;
/* Billboard Lamp */
if (packet[4] & 0b10000000)
{
if (packet[4] & 0b00000001)
state->BillboardLamp = LAMP_GREEN;
else if (packet[4] & 0b00000010)
state->BillboardLamp = LAMP_BLUE;
else
state->BillboardLamp = LAMP_RED;
}
else
{
state->BillboardLamp = LAMP_OFF;
}
/* Other Lamp outputs */
state->ResetLamp = (packet[5] & 0b00000001) > 0;
state->ErrorLamp = (packet[5] & 0b00000010) > 0;
state->SafetyLamp = (packet[5] & 0b00000100) > 0;
state->GameStopLamp = (packet[5] & 0b00001000) > 0;
state->FloorLamp = (packet[5] & 0b00010000) > 0;
state->SpotLamp = (packet[5] & 0b00100000) > 0;
return 1;
}
/**
* Get the output packet ready for sending to the Lindbergh
*
* Create the correct output packet from the ride state, taking
* into account button positions and chair reports.
*
* @param packet The output packet to fill up
* @param state The ride state to read from
* @returns 1 on success and 0 on failure
*/
int processOutputPacket(char *packet, RideState *state)
{
/* Put the sync packet in byte 0 */
packet[0] = 0xC0;
/* Unknown Packet */
packet[1] = 0x00;
/* Unknown Packet */
packet[2] = state->CommandReply; // Byte 0x30 (0xFF UPDATE MODE) (0x00 SERIAL CHECKING) (0x1A RIDE STOP)
/* Ride turn Test Enable */
packet[3] = state->SeatCommandReply; // Byte 0x31
/* Packet 4 contains some buttons */
packet[4] = 0x00;
if (state->TowerGameStopButton)
packet[4] = packet[4] | 0b00000001;
if (state->MotionSelectSwitch == MOTION_NORMAL)
packet[4] = packet[4] | 0b00000010;
if (state->ResetButton)
packet[4] = packet[4] | 0b00000100;
if (state->RideGameStopButton)
packet[4] = packet[4] | 0b00001000;
if (state->InitButton)
packet[4] = packet[4] | 0b00010000;
if (state->RearFootSensor)
packet[4] = packet[4] | 0b00100000;
if (state->LeftFootSensor)
packet[4] = packet[4] | 0b01000000;
/* Packet 5 contains some more buttons */
packet[5] = 0x00;
if (state->RightFootSensor)
packet[5] = packet[5] | 0b00000001;
if (state->FrontFootSensor)
packet[5] = packet[5] | 0b00000010;
if (state->RightDoorSensor)
packet[5] = packet[5] | 0b00000100;
if (state->ArmrestSensor)
packet[5] = packet[5] | 0b00001000;
if (state->PlayerOneSeatbeltSensor)
packet[5] = packet[5] | 0b00010000;
if (state->PlayerTwoSeatbeltSensor)
packet[5] = packet[5] | 0b00100000;
if (state->FrontPositionSensor)
packet[5] = packet[5] | 0b01000000;
if (state->LeftDoorSensor)
packet[5] = packet[5] | 0b10000000;
/* Packet 6 contains some more buttons */
packet[6] = 0x00;
if (state->RearPositionSensor)
packet[6] = packet[6] | 0b00000001;
if (state->CWLimitSensor)
packet[6] = packet[6] | 0b00000100;
if (state->CCWLimitSensor)
packet[6] = packet[6] | 0b00001000;
if (state->MotorPower)
packet[6] = packet[6] | 0b00010000;
if (state->MotionSelectSwitch == MOTION_MILD)
packet[6] = packet[6] | 0b01000000;
if (state->MotionSelectSwitch == MOTION_OFF)
packet[6] = packet[6] | 0b10000000;
/* Unknown Packet */
packet[7] = 0x00; // Unknown
/* Used for the USB Update */
packet[8] = 0x00; // 2ND BOOT (0 = Ignore, 1 = Update Success, 2 = Update Failed, 3 = Unknown)
packet[9] = 0x00; // USB LOADER (0 = Ignore, 1 = Update Success, 2 = Update Failed, 3 = Unknown)
packet[10] = 0x00; // Application (0 = Ignore, 1 = Update Success, 2 = Update Failed, 3 = Unknown)
packet[11] = 0x00; // 2ND BOOT SUM
packet[12] = 0x00; // USB LOADER SUM
packet[13] = 0x00; // Application SUM
packet[14] = 0x00; // 2ND BOOT Major
packet[15] = 0x00; // 2ND BOOT Minor
packet[16] = 0x00; // USB LOADER Major
packet[17] = 0x00; // USB LOADER Minor
packet[18] = 0x00; // Application Major
packet[19] = 0x00; // Application Minor
/* Unknown Packet */
packet[20] = 0x00; // Unknown
/* Calculate the checksum and place in the last space */
char checksum = 0;
for (int i = 1; i < OUTPUT_PACKET_SIZE - 1; i++)
checksum ^= packet[i];
packet[OUTPUT_PACKET_SIZE - 1] = checksum;
return 1;
}
/**
* Process any physical emulation that should be done
*
* Process the input and output states and decide
* what should be done on each cycle
*
* @param state The ride state to read from and write to
* @returns 1 on success and 0 on failure
*/
int processEmulation(RideState *state)
{
// Respond with the correct response command
switch (state->Command)
{
case 0x01: // Boot
state->CommandReply = 0x01; // 0xFF to show update screen
break;
case 0x02: // Init check
state->CommandReply = 0x03;
break;
case 0x03: // Reset to defaults confirmation
state->RearFootSensor = 0;
state->LeftFootSensor = 0;
state->FrontFootSensor = 0;
state->RightFootSensor = 0;
state->ArmrestSensor = 0;
state->PlayerOneSeatbeltSensor = 0;
state->PlayerTwoSeatbeltSensor = 0;
break;
case 0x04: // Reset Success
state->CommandReply = 0x05;
break;
case 0x19: // Work out what ADF means?
state->CommandReply = 0x06;
case 0x05: // Coin play, not coined up
state->CommandReply = 0x05;
break;
case 0x06: // Ticket play, waiting for init by attendant (Not sure if this is correct)
state->CommandReply = 0x08;
break;
case 0x08: // Kate Green talking about AMS
state->CommandReply = 0x0A;
break;
case 0x0A: // Intro Video Playing (toggle seatbelts)
state->CommandReply = 0x0A;
state->PlayerOneSeatbeltSensor = !state->PlayerOneSeatbeltSensor;
state->PlayerTwoSeatbeltSensor = !state->PlayerTwoSeatbeltSensor;
break;
case 0x0D: // Passed attract mode
state->CommandReply = 0x0D;
state->PlayerOneSeatbeltSensor = 0;
state->PlayerTwoSeatbeltSensor = 0;
break;
case 0x11: // After game over get out! (Speed up?)
case 0x13: // Test mode
case 0x1A: // Emergency Stop
case 0xFF: // USB Update
default:
state->CommandReply = state->Command;
}
// Respond with the correct seat response
switch (state->SeatCommand)
{
case 0x01:
state->SeatCommandReply = 1;
break;
case 0x11:
state->SeatCommandReply = 1;
break;
case 0x21:
state->SeatCommandReply = 3;
break;
case 0x31:
state->SeatCommandReply = 5;
break;
case 0x41:
state->SeatCommandReply = 7;
break;
case 0x51:
state->SeatCommandReply = 9;
break;
case 0x61:
state->SeatCommandReply = 11;
break;
default:
break;
}
return 1;
}
void printStatus(RideState *state)
{
int end = 0;
if (state->PlayerOneGunReaction && ++end)
printf("PLAYER_ONE_GUN_REACTION ");
if (state->PlayerTwoGunReaction && ++end)
printf("PLAYER_TWO_GUN_REACTION ");
if (state->PlayerOneBlowBack && ++end)
printf("PLAYER_ONE_BLOW_BACK ");
if (state->PlayerTwoBlowBack && ++end)
printf("PLAYER_TWO_BLOW_BACK ");
if (state->PlayerOneBlowFront && ++end)
printf("PLAYER_ONE_BLOW_FRONT ");
if (state->PlayerTwoBlowFront && ++end)
printf("PLAYER_TWO_BLOW_FRONT ");
if (state->GameStopLamp && ++end)
printf("GAME_STOP_LAMP ");
if (state->ResetLamp && ++end)
printf("RESET_LAMP ");
if (state->ErrorLamp && ++end)
printf("ERROR_LAMP ");
if (state->SafetyLamp && ++end)
printf("SAFETY_LAMP ");
if (state->FloorLamp && ++end)
printf("FLOOR_LAMP ");
if (state->SpotLamp && ++end)
printf("SPOT_LAMP ");
if (state->BillboardLamp != LAMP_OFF && ++end)
{
switch (state->BillboardLamp)
{
case LAMP_RED:
printf("BILLBOARD_LAMP_RED ");
break;
case LAMP_GREEN:
printf("BILLBOARD_LAMP_GREEN ");
break;
case LAMP_BLUE:
printf("BILLBOARD_LAMP_BLUE ");
break;
default:
break;
}
}
if (end)
printf("\n");
}
/**
* Pretend to be the ride from SEGA's Special games.
*
* Communicate with a SEGA Lindbergh via serial to
* emulate the inner working of a Special ride.
*/
int initRideboard()
{
return 0;
}
ssize_t rideboardWrite(int fd, const void *buf, size_t count) {
return 0;
ssize_t rideboardRead(int fd, void *buf, size_t count)
{
processOutputPacket((char *)buf, &rideState);
return OUTPUT_PACKET_SIZE;
}
ssize_t rideboardWrite(int fd, const void *buf, size_t count)
{
processInputPacket((char *)buf, &rideState);
processEmulation(&rideState);
return count;
}

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@ -1,4 +1,64 @@
#include <stdio.h>
/* Enum to define the colour of the billboard lamp */
typedef enum
{
LAMP_OFF = 0,
LAMP_GREEN,
LAMP_BLUE,
LAMP_RED
} LampState;
/* Enums to represent the different states of the MotionSelectSwitch */
#define MOTION_OFF 0
#define MOTION_MILD 1
#define MOTION_NORMAL 2
/* Struct to hold the internal state of the ride */
typedef struct
{
/* COMMANDS */
int Command;
int CommandReply;
int SeatCommand;
int SeatCommandReply;
/* OUTPUTS */
int PlayerOneBlowFront;
int PlayerOneBlowBack;
int PlayerTwoBlowFront;
int PlayerTwoBlowBack;
int PlayerOneGunReaction;
int PlayerTwoGunReaction;
int ResetLamp;
int ErrorLamp;
int SafetyLamp;
int GameStopLamp;
int FloorLamp;
int SpotLamp;
LampState BillboardLamp;
/* INPUTS */
int InitButton;
int ResetButton;
int MotionSelectSwitch; // 0 Motion Off, 1 Motion Gentle, 2 Motion Normal
int TowerGameStopButton;
int RideGameStopButton;
int RearFootSensor;
int LeftFootSensor;
int FrontFootSensor;
int RightFootSensor;
int RightDoorSensor;
int LeftDoorSensor;
int ArmrestSensor;
int PlayerOneSeatbeltSensor;
int PlayerTwoSeatbeltSensor;
int RearPositionSensor;
int FrontPositionSensor;
int CCWLimitSensor;
int CWLimitSensor;
int MotorPower;
} RideState;
int initRideboard();
ssize_t rideboardRead(int fd, void *buf, size_t count);
ssize_t rideboardWrite(int fd, const void *buf, size_t count);