/
Emulatrix_GameBoy.htm
executable file
·860 lines (742 loc) · 35.3 KB
/
Emulatrix_GameBoy.htm
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Emulatrix</title>
<link rel="stylesheet" href="Emulatrix.css">
</head>
<body>
<script>
var container_width;
var container_height;
var download_running = false;
var download_Checker;
var download_Filename;
var download_LastSize = -1;
var download_LastSizeRepeated = 0;
var upload_running = false;
var upload_Checker;
var upload_OrigSize = -1;
var upload_OrigSizeRepeated = 0;
var loading_Checker;
var settings_file = "";
var settings_Checker;
function loadRomIntoVD()
{
// GETTING THE ROM FILE CONTENT
var dataView = new Uint8Array(parent.ROMDATA);
// CREATING THE ROM FILE IN THE VIRTUAL DRIVE
FS.createDataFile("/", "game.gb", dataView, true, false);
// CREATING THE FOLDERS IN THE VIRTUAL DRIVE IN ORDER TO SAVE THE CONFIG FILE
FS.createFolder("/home/web_user", "retroarch", true, true);
FS.createFolder("/home/web_user/retroarch", "userdata", true, true);
// SETTING THE VARIABLE FOR EMPTY VALUE IN THE CONFIG FILE. USING RETROARCH WEB IN MAC HAS A BUG THAT
// ANY NULL KEY IS FIRED AS THE COMMAND KEY. THAT'S WHY IS SCROLL_BACK INSTEAD OF NUL. THERE IS
// ANOTHER BUG IN MAC WITH THE COMMAND KEY, THAT IS FIRED AS THE TURBO BUTTON, NO MATTER THE CONFIG.
var emptyValue = "scroll_lock";
// SETTING THE DEFAULT FOLDER WHEN BROWSING THE VIRTUAL DRIVE
settings_file += "rgui_browser_directory = /\n";
// SETTING THE KEY FOR THE START AND SELECT BUTTON
settings_file += "input_player1_start = s\n";
settings_file += "input_player1_start_btn = s\n";
settings_file += "input_player1_select = a\n";
settings_file += "input_player1_select_btn = a\n";
// SETTING THE KEYS FOR THE BUTTONS A, B
settings_file += "input_player1_a = x\n";
settings_file += "input_player1_b = z\n";
// SETTING THE KEY FOR SOUND TOGGLE
settings_file += "input_audio_mute = f9\n";
// SETTING THE KEY FOR RELOADING THE GAME
settings_file += "input_reset = f10\n";
// SETTING THE KEYS FOR UNWANTED FUNCTIONS
settings_file += "input_toggle_fast_forward = " + emptyValue + "\n";
settings_file += "input_hold_fast_forward = " + emptyValue + "\n";
settings_file += "input_toggle_slowmotion = " + emptyValue + "\n";
settings_file += "input_hold_slowmotion = " + emptyValue + "\n";
settings_file += "input_save_state = " + emptyValue + "\n";
settings_file += "input_load_state = " + emptyValue + "\n";
settings_file += "input_toggle_fullscreen = " + emptyValue + "\n";
settings_file += "input_exit_emulator = " + emptyValue + "\n";
settings_file += "input_state_slot_increase = " + emptyValue + "\n";
settings_file += "input_state_slot_decrease = " + emptyValue + "\n";
settings_file += "input_rewind = " + emptyValue + "\n";
settings_file += "input_movie_record_toggle = " + emptyValue + "\n";
settings_file += "input_pause_toggle = " + emptyValue + "\n";
settings_file += "input_frame_advance = " + emptyValue + "\n";
settings_file += "input_shader_next = " + emptyValue + "\n";
settings_file += "input_shader_prev = " + emptyValue + "\n";
settings_file += "input_cheat_index_plus = " + emptyValue + "\n";
settings_file += "input_cheat_index_minus = " + emptyValue + "\n";
settings_file += "input_cheat_toggle = " + emptyValue + "\n";
settings_file += "input_screenshot = " + emptyValue + "\n";
settings_file += "input_osk_toggle = " + emptyValue + "\n";
settings_file += "input_netplay_game_watch = " + emptyValue + "\n";
//settings_file += "input_enable_hotkey = " + emptyValue + "\n";
settings_file += "input_volume_up = " + emptyValue + "\n";
settings_file += "input_volume_down = " + emptyValue + "\n";
settings_file += "input_overlay_next = " + emptyValue + "\n";
settings_file += "input_disk_eject_toggle = " + emptyValue + "\n";
settings_file += "input_disk_next = " + emptyValue + "\n";
settings_file += "input_disk_prev = " + emptyValue + "\n";
settings_file += "input_grab_mouse_toggle = " + emptyValue + "\n";
settings_file += "input_game_focus_toggle = " + emptyValue + "\n";
settings_file += "input_menu_toggle = " + emptyValue + "\n";
settings_file += "input_recording_toggle = " + emptyValue + "\n";
settings_file += "input_streaming_toggle = " + emptyValue + "\n";
// PLAYER 1
settings_file += "input_player1_x = " + emptyValue + "\n";
settings_file += "input_player1_y = " + emptyValue + "\n";
settings_file += "input_player1_l = " + emptyValue + "\n";
settings_file += "input_player1_l2 = " + emptyValue + "\n";
settings_file += "input_player1_l3 = " + emptyValue + "\n";
settings_file += "input_player1_r = " + emptyValue + "\n";
settings_file += "input_player1_r2 = " + emptyValue + "\n";
settings_file += "input_player1_r3 = " + emptyValue + "\n";
settings_file += "input_player1_l_x_plus = " + emptyValue + "\n";
settings_file += "input_player1_l_x_minus = " + emptyValue + "\n";
settings_file += "input_player1_l_y_plus = " + emptyValue + "\n";
settings_file += "input_player1_l_y_minus = " + emptyValue + "\n";
settings_file += "input_player1_r_x_plus = " + emptyValue + "\n";
settings_file += "input_player1_r_x_minus = " + emptyValue + "\n";
settings_file += "input_player1_r_y_plus = " + emptyValue + "\n";
settings_file += "input_player1_r_y_minus = " + emptyValue + "\n";
settings_file += "input_player1_gun_trigger = " + emptyValue + "\n";
settings_file += "input_player1_gun_trigger_axis = " + emptyValue + "\n";
settings_file += "input_player1_gun_trigger_btn = " + emptyValue + "\n";
settings_file += "input_player1_gun_trigger_mbtn = " + emptyValue + "\n";
settings_file += "input_player1_gun_offscreen_shot = " + emptyValue + "\n";
settings_file += "input_player1_gun_aux_a = " + emptyValue + "\n";
settings_file += "input_player1_gun_aux_b = " + emptyValue + "\n";
settings_file += "input_player1_gun_aux_c = " + emptyValue + "\n";
settings_file += "input_player1_gun_start = " + emptyValue + "\n";
settings_file += "input_player1_gun_select = " + emptyValue + "\n";
settings_file += "input_player1_gun_dpad_up = " + emptyValue + "\n";
settings_file += "input_player1_gun_dpad_down = " + emptyValue + "\n";
settings_file += "input_player1_gun_dpad_left = " + emptyValue + "\n";
settings_file += "input_player1_gun_dpad_right = " + emptyValue + "\n";
settings_file += "input_player1_turbo = " + emptyValue + "\n";
// PLAYER 2
settings_file += "input_player2_up = " + emptyValue + "\n";
settings_file += "input_player2_down = " + emptyValue + "\n";
settings_file += "input_player2_left = " + emptyValue + "\n";
settings_file += "input_player2_right = " + emptyValue + "\n";
settings_file += "input_player2_start = " + emptyValue + "\n";
settings_file += "input_player2_select = " + emptyValue + "\n";
settings_file += "input_player2_a = " + emptyValue + "\n";
settings_file += "input_player2_b = " + emptyValue + "\n";
settings_file += "input_player2_x = " + emptyValue + "\n";
settings_file += "input_player2_y = " + emptyValue + "\n";
settings_file += "input_player2_l = " + emptyValue + "\n";
settings_file += "input_player2_l2 = " + emptyValue + "\n";
settings_file += "input_player2_l3 = " + emptyValue + "\n";
settings_file += "input_player2_r = " + emptyValue + "\n";
settings_file += "input_player2_r2 = " + emptyValue + "\n";
settings_file += "input_player2_r3 = " + emptyValue + "\n";
settings_file += "input_player2_l_x_plus = " + emptyValue + "\n";
settings_file += "input_player2_l_x_minus = " + emptyValue + "\n";
settings_file += "input_player2_l_y_plus = " + emptyValue + "\n";
settings_file += "input_player2_l_y_minus = " + emptyValue + "\n";
settings_file += "input_player2_r_x_plus = " + emptyValue + "\n";
settings_file += "input_player2_r_x_minus = " + emptyValue + "\n";
settings_file += "input_player2_r_y_plus = " + emptyValue + "\n";
settings_file += "input_player2_r_y_minus = " + emptyValue + "\n";
settings_file += "input_player2_gun_trigger = " + emptyValue + "\n";
settings_file += "input_player2_gun_trigger_axis = " + emptyValue + "\n";
settings_file += "input_player2_gun_trigger_btn = " + emptyValue + "\n";
settings_file += "input_player2_gun_trigger_mbtn = " + emptyValue + "\n";
settings_file += "input_player2_gun_offscreen_shot = " + emptyValue + "\n";
settings_file += "input_player2_gun_aux_a = " + emptyValue + "\n";
settings_file += "input_player2_gun_aux_b = " + emptyValue + "\n";
settings_file += "input_player2_gun_aux_c = " + emptyValue + "\n";
settings_file += "input_player2_gun_start = " + emptyValue + "\n";
settings_file += "input_player2_gun_select = " + emptyValue + "\n";
settings_file += "input_player2_gun_dpad_up = " + emptyValue + "\n";
settings_file += "input_player2_gun_dpad_down = " + emptyValue + "\n";
settings_file += "input_player2_gun_dpad_left = " + emptyValue + "\n";
settings_file += "input_player2_gun_dpad_right = " + emptyValue + "\n";
settings_file += "input_player2_turbo = " + emptyValue + "\n";
// PLAYER 3
settings_file += "input_player3_up = " + emptyValue + "\n";
settings_file += "input_player3_down = " + emptyValue + "\n";
settings_file += "input_player3_left = " + emptyValue + "\n";
settings_file += "input_player3_right = " + emptyValue + "\n";
settings_file += "input_player3_start = " + emptyValue + "\n";
settings_file += "input_player3_select = " + emptyValue + "\n";
settings_file += "input_player3_a = " + emptyValue + "\n";
settings_file += "input_player3_b = " + emptyValue + "\n";
settings_file += "input_player3_x = " + emptyValue + "\n";
settings_file += "input_player3_y = " + emptyValue + "\n";
settings_file += "input_player3_l = " + emptyValue + "\n";
settings_file += "input_player3_l2 = " + emptyValue + "\n";
settings_file += "input_player3_l3 = " + emptyValue + "\n";
settings_file += "input_player3_r = " + emptyValue + "\n";
settings_file += "input_player3_r2 = " + emptyValue + "\n";
settings_file += "input_player3_r3 = " + emptyValue + "\n";
settings_file += "input_player3_l_x_plus = " + emptyValue + "\n";
settings_file += "input_player3_l_x_minus = " + emptyValue + "\n";
settings_file += "input_player3_l_y_plus = " + emptyValue + "\n";
settings_file += "input_player3_l_y_minus = " + emptyValue + "\n";
settings_file += "input_player3_r_x_plus = " + emptyValue + "\n";
settings_file += "input_player3_r_x_minus = " + emptyValue + "\n";
settings_file += "input_player3_r_y_plus = " + emptyValue + "\n";
settings_file += "input_player3_r_y_minus = " + emptyValue + "\n";
settings_file += "input_player3_gun_trigger = " + emptyValue + "\n";
settings_file += "input_player3_gun_trigger_axis = " + emptyValue + "\n";
settings_file += "input_player3_gun_trigger_btn = " + emptyValue + "\n";
settings_file += "input_player3_gun_trigger_mbtn = " + emptyValue + "\n";
settings_file += "input_player3_gun_offscreen_shot = " + emptyValue + "\n";
settings_file += "input_player3_gun_aux_a = " + emptyValue + "\n";
settings_file += "input_player3_gun_aux_b = " + emptyValue + "\n";
settings_file += "input_player3_gun_aux_c = " + emptyValue + "\n";
settings_file += "input_player3_gun_start = " + emptyValue + "\n";
settings_file += "input_player3_gun_select = " + emptyValue + "\n";
settings_file += "input_player3_gun_dpad_up = " + emptyValue + "\n";
settings_file += "input_player3_gun_dpad_down = " + emptyValue + "\n";
settings_file += "input_player3_gun_dpad_left = " + emptyValue + "\n";
settings_file += "input_player3_gun_dpad_right = " + emptyValue + "\n";
settings_file += "input_player3_turbo = " + emptyValue + "\n";
// PLAYER 4
settings_file += "input_player4_up = " + emptyValue + "\n";
settings_file += "input_player4_down = " + emptyValue + "\n";
settings_file += "input_player4_left = " + emptyValue + "\n";
settings_file += "input_player4_right = " + emptyValue + "\n";
settings_file += "input_player4_start = " + emptyValue + "\n";
settings_file += "input_player4_select = " + emptyValue + "\n";
settings_file += "input_player4_a = " + emptyValue + "\n";
settings_file += "input_player4_b = " + emptyValue + "\n";
settings_file += "input_player4_x = " + emptyValue + "\n";
settings_file += "input_player4_y = " + emptyValue + "\n";
settings_file += "input_player4_l = " + emptyValue + "\n";
settings_file += "input_player4_l2 = " + emptyValue + "\n";
settings_file += "input_player4_l3 = " + emptyValue + "\n";
settings_file += "input_player4_r = " + emptyValue + "\n";
settings_file += "input_player4_r2 = " + emptyValue + "\n";
settings_file += "input_player4_r3 = " + emptyValue + "\n";
settings_file += "input_player4_l_x_plus = " + emptyValue + "\n";
settings_file += "input_player4_l_x_minus = " + emptyValue + "\n";
settings_file += "input_player4_l_y_plus = " + emptyValue + "\n";
settings_file += "input_player4_l_y_minus = " + emptyValue + "\n";
settings_file += "input_player4_r_x_plus = " + emptyValue + "\n";
settings_file += "input_player4_r_x_minus = " + emptyValue + "\n";
settings_file += "input_player4_r_y_plus = " + emptyValue + "\n";
settings_file += "input_player4_r_y_minus = " + emptyValue + "\n";
settings_file += "input_player4_gun_trigger = " + emptyValue + "\n";
settings_file += "input_player4_gun_trigger_axis = " + emptyValue + "\n";
settings_file += "input_player4_gun_trigger_btn = " + emptyValue + "\n";
settings_file += "input_player4_gun_trigger_mbtn = " + emptyValue + "\n";
settings_file += "input_player4_gun_offscreen_shot = " + emptyValue + "\n";
settings_file += "input_player4_gun_aux_a = " + emptyValue + "\n";
settings_file += "input_player4_gun_aux_b = " + emptyValue + "\n";
settings_file += "input_player4_gun_aux_c = " + emptyValue + "\n";
settings_file += "input_player4_gun_start = " + emptyValue + "\n";
settings_file += "input_player4_gun_select = " + emptyValue + "\n";
settings_file += "input_player4_gun_dpad_up = " + emptyValue + "\n";
settings_file += "input_player4_gun_dpad_down = " + emptyValue + "\n";
settings_file += "input_player4_gun_dpad_left = " + emptyValue + "\n";
settings_file += "input_player4_gun_dpad_right = " + emptyValue + "\n";
settings_file += "input_player4_turbo = " + emptyValue + "\n";
// PLAYER 5
settings_file += "input_player5_up = " + emptyValue + "\n";
settings_file += "input_player5_down = " + emptyValue + "\n";
settings_file += "input_player5_left = " + emptyValue + "\n";
settings_file += "input_player5_right = " + emptyValue + "\n";
settings_file += "input_player5_start = " + emptyValue + "\n";
settings_file += "input_player5_select = " + emptyValue + "\n";
settings_file += "input_player5_a = " + emptyValue + "\n";
settings_file += "input_player5_b = " + emptyValue + "\n";
settings_file += "input_player5_x = " + emptyValue + "\n";
settings_file += "input_player5_y = " + emptyValue + "\n";
settings_file += "input_player5_l = " + emptyValue + "\n";
settings_file += "input_player5_l2 = " + emptyValue + "\n";
settings_file += "input_player5_l3 = " + emptyValue + "\n";
settings_file += "input_player5_r = " + emptyValue + "\n";
settings_file += "input_player5_r2 = " + emptyValue + "\n";
settings_file += "input_player5_r3 = " + emptyValue + "\n";
settings_file += "input_player5_l_x_plus = " + emptyValue + "\n";
settings_file += "input_player5_l_x_minus = " + emptyValue + "\n";
settings_file += "input_player5_l_y_plus = " + emptyValue + "\n";
settings_file += "input_player5_l_y_minus = " + emptyValue + "\n";
settings_file += "input_player5_r_x_plus = " + emptyValue + "\n";
settings_file += "input_player5_r_x_minus = " + emptyValue + "\n";
settings_file += "input_player5_r_y_plus = " + emptyValue + "\n";
settings_file += "input_player5_r_y_minus = " + emptyValue + "\n";
settings_file += "input_player5_gun_trigger = " + emptyValue + "\n";
settings_file += "input_player5_gun_trigger_axis = " + emptyValue + "\n";
settings_file += "input_player5_gun_trigger_btn = " + emptyValue + "\n";
settings_file += "input_player5_gun_trigger_mbtn = " + emptyValue + "\n";
settings_file += "input_player5_gun_offscreen_shot = " + emptyValue + "\n";
settings_file += "input_player5_gun_aux_a = " + emptyValue + "\n";
settings_file += "input_player5_gun_aux_b = " + emptyValue + "\n";
settings_file += "input_player5_gun_aux_c = " + emptyValue + "\n";
settings_file += "input_player5_gun_start = " + emptyValue + "\n";
settings_file += "input_player5_gun_select = " + emptyValue + "\n";
settings_file += "input_player5_gun_dpad_up = " + emptyValue + "\n";
settings_file += "input_player5_gun_dpad_down = " + emptyValue + "\n";
settings_file += "input_player5_gun_dpad_left = " + emptyValue + "\n";
settings_file += "input_player5_gun_dpad_right = " + emptyValue + "\n";
settings_file += "input_player5_turbo = " + emptyValue + "\n";
// SETTING THE VIDEO CONFIGURATION
container_width = document.getElementById("container").offsetWidth;
container_height = document.getElementById("container").offsetHeight;
settings_file += "video_vsync = true\n";
settings_file += "video_scale = 1\n";
settings_file += "video_window_x = " + container_width + "\n";
settings_file += "video_window_y = " + container_height + "\n";
settings_file += "aspect_ratio_index = 23\n";
settings_file += "custom_viewport_width = " + container_width + "\n";
settings_file += "custom_viewport_height = " + container_height + "\n";
settings_file += "custom_viewport_x = 0\n";
settings_file += "custom_viewport_y = 0\n";
// SETTING THE AUDIO LATENCY
settings_file += "audio_latency = 128\n";
// HIDING THE NOTIFICATION MESSAGES
settings_file += "video_message_pos_x = -100\n";
settings_file += "video_message_pos_y = -100\n";
settings_file += "menu_enable_widgets = false\n";
// CREATING THE FILE WITH THE CONFIGURATION
FS.createDataFile("/home/web_user/retroarch/userdata", "retroarch.cfg", settings_file, true, true);
// WAITING A PRUDENTIAL TIME FOR THE RETROARCH.CFG FILE TO BE CREATED
settings_Checker = setInterval(checkSettingsFile, 1000);
}
function checkSettingsFile()
{
// SETTING THE VARIABLE TO KNOW IF THE EMULATOR MUST START
var mustStart = false;
try
{
// TRYING TO READ THE SETTINGS FILE
var myTempFile = FS.readFile("/home/web_user/retroarch/userdata/retroarch.cfg");
// CHECKING IF THE SETTINGS FILE HAS DATA
if (myTempFile.length==settings_file.length)
{
// SETTING THAT THE EMULATOR MUST START
mustStart = true;
}
}
catch(err)
{
}
// CHECKING IF THE EMULATOR MUST START
if (mustStart==true)
{
// DISABLING THE SETTINGS FILE CHECKER
clearInterval(settings_Checker);
// WAITING 1500 MS
setTimeout(function()
{
// STARTING THE EMULATOR
startEmulator();
},1500);
}
}
function startEmulator()
{
// RUNNING THE EMULATOR WITH THE SELECTED ROM
Module.callMain(["-v","/game.gb"]);
// RESIZING THE CANVAS
document.getElementById("canvas").width = container_width;
document.getElementById("canvas").height = container_height;
// RESIZING THE CANVAS AFTER 500 MS (WORKAROUND FOR OLD/SLOW DEVICES)
setTimeout(function(){resizeEmulatorCanvas()},500);
// RESIZING THE CANVAS AFTER 1000 MS (WORKAROUND FOR OLD/SLOW DEVICES)
setTimeout(function(){resizeEmulatorCanvas()},1000);
// RESIZING THE CANVAS AFTER 1500 MS (WORKAROUND FOR OLD/SLOW DEVICES)
setTimeout(function(){resizeEmulatorCanvas()},1500);
}
function resizeEmulatorCanvas()
{
try
{
// GETTING THE CONTAINER WIDTH
container_width = document.getElementById("container").offsetWidth;
// GETTING THE CONTAINER HEIGHT
container_height = document.getElementById("container").offsetHeight;
// UPDATING THE CANVAS SIZE
Module.setCanvasSize(container_width,container_height,true);
}
catch(err)
{
}
}
function toggleSound(GAME_SOUND_ENABLED)
{
try
{
// CHECKING IF THE EMULATOR IS NOT STARTED AND PREVENTING TO GO ANY FURTHER IF THAT'S THE CASE
if (Emulator_started==false){return}
// RESUMING THE EMULATION
Emulator_running = true;
// UPDATING THE SOUND STATUS ACCORDING THE USER SETTING
Emulator_soundEnabled = GAME_SOUND_ENABLED;
}
catch(err)
{
}
}
function reloadROM()
{
try
{
// CHECKING IF THE EMULATOR IS NOT STARTED AND PREVENTING TO GO ANY FURTHER IF THAT'S THE CASE
if (Emulator_started==false){return}
// RESUMING THE EMULATION
Emulator_running = true;
// PRESSING THE F10 KEY
sendVirtualKey("keydown","F10");
// WAITING 50 MS
setTimeout(function()
{
// RELEASING THE F10 KEY
sendVirtualKey("keyup","F10");
}, 50);
}
catch(err)
{
}
}
function downloadROMState()
{
try
{
// CHECKING IF THE EMULATOR IS NOT STARTED AND PREVENTING TO GO ANY FURTHER IF THAT'S THE CASE
if (Emulator_started==false){return}
// RESUMING THE EMULATION
Emulator_running = true;
// CHECKING IF THE DOWNLOADING AND UPLOADING PROCESS ARE NOT RUNNING
if (download_running==false && upload_running==false)
{
// SETTING THE DOWNLOADING PROCESS AS TRUE
download_running = true;
// SAVING THE STATE (TAKES A LOT OF SECONDS IN SOME CASES, EMSCRIPTED + LIBRETRO RELATED ISSUE)
Module._cmd_save_state();
// GETTING THE ROM FILENAME WITHOUT THE EXTENSION
download_Filename = parent.ROMNAME.replace(/\.[^/.]+$/, "");
// SETTING THE DEFAULT VALUES FOR THE VARIABLES THAT WILL CHECK THE DOWNLOADING PROCESS
download_LastSize = -1;
download_LastSizeRepeated = 0;
// RESTORING THE ORIGINAL LABEL TEXT
document.getElementsByClassName("gui_saving")[0].innerHTML = parent.STRING_SAVING;
// SHOWING THE 'SAVING, PLEASE WAIT...' LABEL
document.getElementsByClassName("gui_saving")[0].style.display = "block";
// STARTING THE TASK THAT WILL DOWNLOAD THE ROMSTATE AS A FILE
download_Checker = setInterval(download_CheckerCron, 1000);
}
}
catch(err)
{
}
}
function download_CheckerCron()
{
try
{
// TRYING TO READ THE ROMSTATE FILE
var myTempFile = FS.readFile("/home/web_user/retroarch/userdata/states/game.state");
// THE ROMSTATE FILE IS GOING TO BE WRITTEN WITH AN ASYNCHRONOUS TASK THAT WE CAN'T HANDLE IN ANY WAY.
// THIS IS THE REASON WHY WE NEED TO CHECK IF THE FILESIZE IS THE SAME AFTER SEVERAL CHECKINGS.
// CHECKING THE ROMSTATE FILE SIZE
if (myTempFile.length==download_LastSize)
{
// CHECKING IF THE EMULATOR IS RUNNING
if (Emulator_running==true)
{
// IF IT IS THE SAME, WE ADD 1 TO THE VARIABLE THAT WE USE FOR CHECKING THIS
download_LastSizeRepeated = download_LastSizeRepeated + 1;
}
}
else
{
// IF THE FILE SIZE IS NOT THE SAME, WE UPDATE A VARIABLE WITH THE LAST FILE SIZE THAT WE GOT
download_LastSize = myTempFile.length;
}
// IF THE FILE SIZE IS THE SAME AFTER SEVERAL CHECKINGS
if (download_LastSizeRepeated>parent.STATE_CHECK_TIMES)
{
// SETTING THE DEFAULT VALUES FOR THE VARIABLES THAT WE USED FOR CHECKING
download_LastSize = -1;
download_LastSizeRepeated = 0;
// DELETING THE ROMSTATE FILE FROM THE FS
FS.unlink("/home/web_user/retroarch/userdata/states/game.state");
// DOWNLOADING THE ROMSTATE AS A FILE
download_Blob(myTempFile, download_Filename + ".state", "application/octet-stream");
// UPDATING THE LABEL TEXT IN ORDER TO TELL THE USER THAT A FILE WAS DOWNLOADED
document.getElementsByClassName("gui_saving")[0].innerHTML = parent.STRING_SAVED;
// SETTING THE DOWNLOAD PROCESS AS FALSE
download_running = false;
// WAITING 3000 MS
setTimeout(function()
{
// CHECKING IF THE LABEL MUST BE HIDDEN
if (download_running==false)
{
// HIDING THE LABEL
document.getElementsByClassName("gui_saving")[0].style.display = "none";
// RESTORING THE ORIGINAL LABEL TEXT
document.getElementsByClassName("gui_saving")[0].innerHTML = parent.STRING_SAVING;
}
}, 3000);
// DISABLING THE DOWNLOADING TASK
clearInterval(download_Checker);
}
}
catch(err)
{
}
}
function download_Blob(data, fileName, mimeType)
{
// CREATING A BLOB OBJECT WITH THE FILENAME AND DATA
var blob = new Blob([data], {type: mimeType});
// CREATING A URL WITH THE BLOB OBJECT
var url = window.URL.createObjectURL(blob);
// DOWNLOADING THE CONTENT FROM THAT URL
download_URL(url, fileName);
}
function download_URL(data, fileName)
{
// CREATING A CLICKEABLE LINK
var a = document.createElement("a");
// SETTING THE LINK DESTINATION
a.href = data;
// SETTING THE FILENAME FOR THE DOWNLOAD
a.download = fileName;
// ADDING THE LINK TO THE DOCUMENT BODY
document.body.appendChild(a);
// HIDING THE LINK
a.style = "display: none";
// CLICKING ON THE LINK
a.click();
// REMOVING THE LINK
a.remove();
}
function uploadROMState()
{
try
{
// CHECKING IF THE EMULATOR IS NOT STARTED AND PREVENTING TO GO ANY FURTHER IF THAT'S THE CASE
if (Emulator_started==false){return}
// RESUMING THE EMULATION
Emulator_running = true;
// CHECKING IF THE UPLOADING AND DOWNLOADING PROCESS ARE NOT RUNNING
if (upload_running==false && download_running==false)
{
// HIDING THE 'SAVING, PLEASE WAIT...' LABEL
document.getElementsByClassName("gui_saving")[0].style.display = "none";
// ALLOWING THE USER TO SELECT THE ROMSTATE FILE FROM THE COMPUTER OR MOBILE DEVICE
document.getElementById("fileupload_uploader").click();
}
}
catch(err)
{
}
}
function upload_getFile(files)
{
try
{
// GETTING THE FILE EXTENSION
var extension = files[0].name.split(".").pop().toLowerCase();
// CHECKING THE FILE EXTENSION
if (extension=="state")
{
// SETTING THE UPLOADING PROCESS AS TRUE
upload_running = true;
// CREATING THE FILE READER
var filereader = new FileReader();
// GETTING THE FILENAME
filereader.file_name = files[0].name;
// SETTING THAT WILL HAPPEN WHEN THE FILE IS READ
filereader.onload = function()
{
// CHECKING IF THERE IS A PREVIOUS ROMSTATE FILE CREATED, IF SO, IT IS DELETED
try
{
// TRYING TO READ THE ROMSTATE FILE
var myTempFile = FS.readFile("/home/web_user/retroarch/userdata/states/game.state");
// DELETING THE ROMSTATE FILE
FS.unlink("/home/web_user/retroarch/userdata/states/game.state");
}
catch(err)
{
}
// GETTING THE DATA FOR THE ROMSTATE FILE
var dataView = new Uint8Array(this.result);
// CREATING THE ROMSTATE FILE
FS.createDataFile("/home/web_user/retroarch/userdata/states","game.state",dataView,true,true);
// SETTING THE DEFAULT VALUES FOR THE VARIABLES THAT WILL CHECK THE UPLOADING PROCESS
upload_OrigSize = dataView.length;
upload_OrigSizeRepeated = 0;
// CLEARING THE SELECTED FILE VALUE
document.getElementById("fileupload_uploader").value = null;
// SHOWING THE 'LOADING, PLEASE WAIT...' LABEL
document.getElementsByClassName("gui_loading")[0].style.display = "block";
// STARTING THE TASK THAT WILL UPLOAD THE ROMSTATE FILE
upload_Checker = setInterval(upload_CheckerCron, 1000);
};
// READING THE SELECTED FILE
filereader.readAsArrayBuffer(files[0]);
}
}
catch(err)
{
}
}
function upload_CheckerCron()
{
try
{
// TRYING TO READ THE ROMSTATE FILE
var myTempFile = FS.readFile("/home/web_user/retroarch/userdata/states/game.state");
// THE ROMSTATE FILE IS GOING TO BE WRITTEN WITH AN ASYNCHRONOUS TASK THAT WE CAN'T HANDLE IN ANY WAY.
// THIS IS THE REASON WHY WE NEED TO CHECK IF THE FILESIZE IS THE SAME AFTER SEVERAL CHECKINGS.
// CHECKING THE ROMSTATE FILE SIZE
if (myTempFile.length==upload_OrigSize)
{
// IF IT IS THE SAME, WE ADD 1 TO THE VARIABLE THAT WE USE FOR CHECKING THIS
upload_OrigSizeRepeated = upload_OrigSizeRepeated + 1;
}
// IF THE FILE SIZE IS THE SAME AFTER SEVERAL CHECKINGS
if (upload_OrigSizeRepeated>parent.STATE_CHECK_TIMES)
{
// SETTING THE DEFAULT VALUES FOR THE VARIABLES THAT WE USED FOR CHECKING
upload_OrigSize = -1;
upload_OrigSizeRepeated = 0;
// SETTING THE UPLOAD PROCESS AS FALSE
upload_running = false;
// LOADING THE STATE (TAKES A LOT OF SECONDS IN SOME CASES, EMSCRIPTED + LIBRETRO RELATED ISSUE)
Module._cmd_load_state();
// HIDING THE 'LOADING, PLEASE WAIT...' LABEL
document.getElementsByClassName("gui_loading")[0].style.display = "none";
// DISABLING THE UPLOADING TASK
clearInterval(upload_Checker);
}
}
catch(err)
{
}
}
function loadingChecker()
{
try
{
// CHECKING IF THE EMULATOR WAS STARTED
if (Emulator_started==true)
{
// HIDING THE LOADING ICON AND TEXT
document.getElementsByClassName("gui_pleasewait_title")[0].style.display = "none";
document.getElementsByClassName("pleasewait")[0].style.display = "none";
// DISABLING THE LOADING CHECKER
clearInterval(loading_Checker);
}
}
catch(err)
{
}
}
function checkControls()
{
// UPDATING THE SOUND STATUS ACCORDING TO THE USER SETTING
try{Emulator_soundEnabled = parent.getSoundStatus()}catch(err){Emulator_soundEnabled = true;}
// NOTIFYING TO THE PARENT THAT THE EMULATOR IS ALREADY RUNNING AND THAT
// IT CAN SHOW THE ACTION BUTTONS (STATES HANDLER, RESTART, SOUND, ETC.)
parent.enableControls();
// CHECKING IF IT IS A MOBILE DEVICE AND THAT THE MOBILE CONTROLS MUST BE DISPLAYED
if (isMobileDevice()==true && parent.mobileControlsVisible()==true)
{
// SHOWING THE VIRTUAL BUTTONS AND ASSIGNING TOUCHING EVENTS TO EACH ONE OF THEM
document.getElementsByClassName("gui_gameboy_keyselect")[0].style.display = "block";
document.getElementsByClassName("gui_gameboy_keyselect")[0].addEventListener("touchstart",function(event){sendVirtualKey("keydown","KeyA")});
document.getElementsByClassName("gui_gameboy_keyselect")[0].addEventListener("touchend",function(event){sendVirtualKey("keyup","KeyA")});
document.getElementsByClassName("gui_gameboy_keystart")[0].style.display = "block";
document.getElementsByClassName("gui_gameboy_keystart")[0].addEventListener("touchstart",function(event){sendVirtualKey("keydown","KeyS")});
document.getElementsByClassName("gui_gameboy_keystart")[0].addEventListener("touchend",function(event){sendVirtualKey("keyup","KeyS")});
document.getElementsByClassName("gui_gameboy_keya")[0].style.display = "block";
document.getElementsByClassName("gui_gameboy_keya")[0].addEventListener("touchstart",function(event){sendVirtualKey("keydown","KeyX")});
document.getElementsByClassName("gui_gameboy_keya")[0].addEventListener("touchend",function(event){sendVirtualKey("keyup","KeyX")});
document.getElementsByClassName("gui_gameboy_keyb")[0].style.display = "block";
document.getElementsByClassName("gui_gameboy_keyb")[0].addEventListener("touchstart",function(event){sendVirtualKey("keydown","KeyZ")});
document.getElementsByClassName("gui_gameboy_keyb")[0].addEventListener("touchend",function(event){sendVirtualKey("keyup","KeyZ")});
// SHOWING THE VIRTUAL JOYSTICK
document.getElementsByClassName("gui_joystick")[0].style.display = "block";
showVirtualJoystick();
}
}
function hideMouse()
{
document.getElementsByTagName("body")[0].className = "gui_mouse_hidden";
}
function showMouse()
{
document.getElementsByTagName("body")[0].className = "gui_mouse_visible";
}
window.addEventListener("blur", function()
{
try
{
// PAUSING THE EMULATION
Emulator_running = false;
}
catch(err)
{
}
});
window.addEventListener("focus", function()
{
try
{
// RESUMING THE EMULATION
Emulator_running = true;
}
catch(err)
{
}
});
window.addEventListener("resize", function()
{
// RESIZING CANVAS IF THE WINDOW HAS BEEN RESIZED
resizeEmulatorCanvas();
});
window.addEventListener("load", function()
{
// SHOWING THE CANVAS CONTAINER
document.getElementById("container").style.display="block";
// STARTING THE FILE SYSTEM AFTER 1000 MS
setTimeout(function(){startFileSystem()},1000);
// LOADING THE ROM AFTER 2000 MS
setTimeout(function(){loadRomIntoVD()},2000);
// CHECKING WHEN THE EMULATOR IS RUNNING IN ORDER TO HIDE THE LOADING ICON AND TEXT
loading_Checker = setInterval(loadingChecker, 500);
// SETTING FUNCTIONS THAT WILL BE CALLED WHEN THE USER CLICKS, DOUBLE CLICKS OR MOVES THE MOUSE IN ORDER TO SHOW THE SYSTEM ICONS
document.addEventListener("click", parent.goBackButtonResetIncrement, false);
document.addEventListener("dblclick", parent.goBackButtonResetIncrement, false);
document.addEventListener("mousemove", parent.goBackButtonResetIncrement, false);
});
window.onerror = function (msg, url, lineNo, columnNo, error)
{
// SOMETIMES THE LIBRETRO TAKES TOO MUCH TIME TO LOAD AND MAY THROUGH AN ERROR.
// THE CODE BELOW GIVES ANOTHER TRY TO RUN THE EMULATOR WITH THE SELECTED ROM.
// WAITING 5000 MS
setTimeout(function()
{
// RUNS THE EMULATOR WITH THE SELECTED ROM
Module.callMain(["-v","/game.gb"]);
// RESIZES THE CANVAS
document.getElementById("canvas").width = container_width;
document.getElementById("canvas").height = container_height;
}, 5000);
return true;
}
</script>
<div class="gui_pleasewait_title"><script>document.write(parent.STRING_STARTINGEMULATOR);</script></div><div class="pleasewait"><div class="lds-spinner"><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div></div></div>
<div id="container"><canvas id="canvas" oncontextmenu="event.preventDefault()"></canvas></div>
<div class="gui_joystick" id="joyDiv"></div>
<div class="gui_gameboy_keyselect" oncontextmenu="return false;">SELECT</div>
<div class="gui_gameboy_keystart" oncontextmenu="return false;">START</div>
<div class="gui_gameboy_keyb" oncontextmenu="return false;">B</div>
<div class="gui_gameboy_keya" oncontextmenu="return false;">A</div>
<div class="gui_loading"><script>document.write(parent.STRING_LOADING);</script></div>
<div class="gui_saving"><script>document.write(parent.STRING_SAVING);</script></div>
<input type="file" class="fileupload_uploader" id="fileupload_uploader" onchange="upload_getFile(event.target.files);">
<script src="Emulatrix_GameBoy.js"></script>
</body>
</html>