Initial commit

files/cola-serv.py

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+import random
+import os
+import scratchattach as scratch3
+import numpy as np
+import pydub
+import time
+
+# go to the bottom of the script to go to the main script.
+
+# functions
+
+def aread(f, normalized=False):
+    """MP3 to numpy array"""
+    a = pydub.AudioSegment.from_mp3(f)
+    y = np.array(a.get_array_of_samples())
+    if a.channels == 2:
+        y = y.reshape((-1, 2))
+    if normalized:
+        return a.frame_rate, np.float32(y) / 2**15
+    else:
+        return a.frame_rate, y
+
+def awrite(f, sr, x, normalized=False):
+    """numpy array to MP3"""
+    channels = 2 if (x.ndim == 2 and x.shape[1] == 2) else 1
+    if normalized:  # normalized array - each item should be a float in [-1, 1)
+        y = np.int16(x * 2 ** 15)
+    else:
+        y = np.int16(x)
+    song = pydub.AudioSegment(y.tobytes(), frame_rate=sr, sample_width=2, channels=channels)
+    song.export(f, format="mp3", bitrate="320k")
+
+
+conn = ""
+def initSender(eu):
+    global conn
+    print("initiating sender")
+    # eu = input("Connect to the european server? (y/n)")=="y"
+    # conn = scratch3.connect_tw_cloud(input("Specify project id: "))
+    wsid="wss://clouddata.turbowarp.org/"
+    if eu:
+        wsid="wss://clouddata-eu.turbowarp.org/"
+    conn = scratch3.TwCloudConnection(project_id = "361524240655680", username="Jiyd", cloud_host=wsid)
+    print("done init")
+
+def sendDataValues(vals,metadataKeep,metadata):
+    timestart=time.time()
+    data = str(random.randint(0,9))+str(random.randint(0,9))
+    a=str(sample_rate)
+    for z in range(0,5-len(a)):
+        data=data+"0"
+    data=data+a
+    a=str(bits)
+    for z in range(0,2-len(a)):
+        data=data+"0"
+    data=data+a
+    a=str(len(vals))
+    for z in range(0,4-len(a)):
+        data=data+"0"
+    data=data+a
+    for j in range(0,len(vals)):
+        a=str(int(vals[j]))
+        for z in range(0,len(str(bitmax))-len(a)):
+            data=data+"0"
+        data=data+a
+    if useMetaData:
+        data=data+"1"
+        if metadataKeep:
+            data=data+"0"
+        else:
+            data=data+"1"
+        b = str(metadata[0])
+        for y in [ord(c) for c in b]:
+            a = str(y)
+            for z in range(0,3-len(a)):
+                data=data+"0"
+            data=data+a
+        data=data+"000"
+        b = str(metadata[1])
+        for y in [ord(c) for c in b]:
+            a = str(y)
+            for z in range(0,3-len(a)):
+                data=data+"0"
+            data=data+a
+        data=data+"000"
+        b = str(metadata[2])
+        for y in [ord(c) for c in b]:
+            a = str(y)
+            for z in range(0,3-len(a)):
+                data=data+"0"
+            data=data+a
+    else:
+        data=data+"0"
+    # print("Made data value in "+str(time.time()-timestart)+" seconds")
+    while (time.time()-timestart)<0.1:
+        pass # wait
+    try:
+        if len(str(data))>10000:
+            f = open("chnkfail.txt", "w")
+            f.write("Error text:\nChunk length is more than 10 thousand characters. To avoid this, please reduce the sample rate.\n\nChunk data: "+str(data))
+            f.close()
+            print("/!\\ The chunk size is more than 10 thousand characters. A version with this limit has been sent instead, meaning the chunk is incomplete, with an invalid/unset metdata. For more information, check the last 3 lines in chnkfail.txt\n\n")
+        conn.set_var("Station "+str(stationNum),str(data)[:10000])
+    except Exception as error:
+        f = open("chnkfail.txt", "a")
+        f.write("Error text:\n"+str(error)+"\n\nChunk data: "+str(data)+"\n\n")
+        f.close()
+        print("Internet may have been cut! This mostly happens when the server tries to shut down / go to sleep mode.")
+        print("The chunk data was not sent, so new information is accessible in chnkfail.txt.\n\n")
+
+def useSender(file):
+    global conn
+    os.system("cls")
+    print("Converting and sending "+file+"...")
+    os.system("del use.mp3 /q")
+    os.system('cmd /c ffmpeg -v quiet -stats -i "soundtrack/'+file+'" -ac 1 -ar '+str(sample_rate)+' "use.mp3"') # convert to an usable mp3 file
+    vals=aread("use.mp3",True) # get float data
+    vals=np.round(((aread("use.mp3",True)[1]+1)/2)*bitmax) # turn values into supported integers
+    awrite("preview.mp3",sample_rate,np.round((vals/bitmax)*0b111111111111111)) # make a preview file
+
+    # this is where the metadata is set: the first string is the title, second is the station name, third is the author.
+    metadata = [file.replace(".mp3","")[file.find(" ")+1:],"Minecraft soundtrack - testing server","C418 - @Ponali"] # you can change those values to whatever you want. if you want to use the title of the mp3 file directly, use the "file" variable
+
+    os.system("cls")
+    print("title: "+metadata[0])
+    print("station name: "+metadata[1])
+    print("author: "+metadata[2])
+    print("file used: "+file)
+    vallen=int(sample_rate/10)
+    print("len: "+str(len(vals)))
+
+    # sends values of the mp3 file into chunks with a length as the same as the variable "vallen".
+    for h in range(0,int(len(vals)/vallen)):
+        valuesToSend=[]
+        i = h*vallen
+        for j in range(i,vallen+i):
+            valuesToSend.append(vals[j])
+        sendDataValues(valuesToSend,h<10,metadata) # second parameter is a "keep metadata" condition
+        print("time: "+str(h)+"/"+str(int(len(vals)/vallen)),end="\r") # the \r character moves the pointer to the left side of the screen so the last line can be erased.
+
+# main settings, you can change these to whatever you want. please do not change a variable if you don't know its purpose.
+sample_rate = 22050 # audio sample rate. due to some pydub shenanigans, the sample rate you can use may need to be a supported one (800,11025...44100,48000). if you want metadata, i recommend you use 22050Hz, or, 32000Hz without metadata. Uses Hz and not kHz.
+stationNum = 0 # if you are actually making your own station, MAKE SURE TO CHANGE THIS!
+useMetaData=True
+useEUServer=False # the european server isn't the default server used in turbowarp, but it is possible to connect to it
+
+# experimental settings
+bits = 8 # changing the bits is highly experimental and may not work all the time. change this at your own risk.
+
+# initialisation
+bitmax = eval("0b"+"1"*bits)
+initSender(useEUServer)
+
+# main script (to use for random mp3s from the "soundtrack" folder to be played)
+files = os.listdir("soundtrack")
+choicelast=""
+choice=""
+while True:
+    while choice==choicelast:
+        choice = random.choice(files)
+    try:
+        useSender(choice)
+    except KeyboardInterrupt:
+        print("Song was skipped using Ctrl-C!")
+    choicelast = choice
+

files/jsart/css/style.css

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+body {
+	width: 512px;
+	margin: 4px auto;
+	font-family: Arial;
+}
+
+label:not(#editor *) {
+	display: block;
+}
+
+input[type="number"]:not(#editor *) {
+	width: 48px;
+}
+
+#options {
+	margin-bottom: 16px;
+}
+#options.hidden {
+	display: none;
+}
+
+#advanced:not(#editor *) {
+	box-align: center;
+}
+
+#formula:not(#editor *) {
+	display: block;
+	margin: 4px 0;
+	width: 100%;
+	box-sizing: border-box;
+}
+
+canvas {
+	image-rendering: pixelated;
+}
+
+#fps:not(#editor *){
+	font-family: monospace;
+}
+
+@font-face {
+    font-family: 'Quicksand-Regular';
+    src:url('/font/Quicksand-Regular.ttf.woff') format('woff'),
+        url('/font/Quicksand-Regular.ttf.svg#Quicksand-Regular') format('svg'),
+        url('/font/Quicksand-Regular.ttf.eot'),
+        url('/font/Quicksand-Regular.ttf.eot?#iefix') format('embedded-opentype'); 
+    font-weight: normal;
+    font-style: normal;
+}
+
+*:not(input){font-family: 'Quicksand-Regular';}
+input:not(#editor *){font-family:monospace;}
+#popup{
+	position:fixed;
+	top:calc((100vh - 200px) / 2);
+	left:calc((100vw - 200px) / 2);
+	width:200px;
+	height:200px;
+	background-color:white;
+}
+#popupbtn{
+	width:200px;
+	margin:0;
+	padding:0;
+	border:none;
+	float:left;
+	font-size:20px;
+}
+.hidden{
+	display:none;
+}

files/jsart/css/theme.css

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+.dark{
+	background-color:black;
+	color:white;
+}
+.dark *:not(font, font *){
+	background-color:#404040 !important;
+	color:white !important;
+}
+#projects{
+	background-color:#d0d0d0;
+}

files/jsart/demos/atari-breakout.txt

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+(()=>{
+// check fps
+if(x==0&&y==0){
+	if(window.fpschk){
+		window.fpschk.currentFps = 1000/(t - window.fpschk.tStart);
+		window.fpschk.tStart=t;
+	} else {
+		window.fpschk = {"tStart":t,"currentFps":60}
+	}
+}
+let fps = window.fpschk.currentFps;
+let delta = 1/window.fpschk.currentFps;
+// game
+playerx = Math.floor(mx)-50;
+sw = sy = 256;
+let bricks = [];
+try{bricks = window.breakout.bricks;}catch{/*bru*/}
+if(x==0&&y==0){
+	console.log(window.breakout)
+	if(window.breakout){
+		window.breakout.dx+=window.breakout.vx*delta*50;
+		window.breakout.dy+=window.breakout.vy*delta*50;
+		if(window.breakout.dx<=0){window.breakout.vx=Math.abs(window.breakout.vx);window.breakout.dx=0;}
+		if(window.breakout.dx>=(sw-10)){window.breakout.vx=0-Math.abs(window.breakout.vx);window.breakout.dx=(sw-12);}
+		if(window.breakout.dy<=0){window.breakout.vy=Math.abs(window.breakout.vy);window.breakout.dy=0;}
+		if(window.breakout.dy>=(sh-10)||window.breakout.bricks.length==0){window.breakout = null;}
+		if(window.breakout.dy>=(220-10)&&window.breakout.dx>=playerx&&window.breakout.dx<=(playerx+100)){window.breakout.vy=0-Math.abs(window.breakout.vy);};
+		let bbroken = 0;
+		for(i=0;i<bricks.length;i++){
+			if(window.breakout.dx>=(bricks[i].x-16)&&window.breakout.dx<=(bricks[i].x+16)){
+				if(bbroken==0){
+					if(window.breakout.dy>=(bricks[i].y-10)&&window.breakout.dy<=(bricks[i].y+10)){window.breakout.bricks.splice(i,1);window.breakout.vy=0-(window.breakout.vy);i--;bbroken++;};
+				} else {
+					window.breakout.vx=0-(window.breakout.vx);i=10000;
+				}
+			}
+		}
+	} else {
+		window.breakout = {"vx":2,"vy":2,"dx":0,"dy":150,"bricks":[]};
+		for(i=0;i<16*8;i++){let idx = ((16*8)-i)-1;window.breakout.bricks.push({"x":((idx%16)*16)-1,"y":20+(Math.floor(idx/16)*10),"color":([0xff0000,0xffa000,0x00ff00,0xffff00])[Math.floor((idx)/32)]})}
+	}
+}
+let dx = window.breakout.dx; let dy = window.breakout.dy;
+let gamepx = 0xffffff*(x<=(10+dx)&&y<=(10+dy)&&x>dx&&y>dy); // ball
+gamepx+=0x0080ff*(x<=(100+playerx)&&y<=(10+220)&&x>playerx&&y>220); // paddle
+for(i=0;i<bricks.length;i++){if(bricks[i].color){ // brick loop
+	gamepx+=bricks[i].color*(x<=(16+bricks[i].x)&&y<=(10+bricks[i].y)&&x>bricks[i].x&&y>bricks[i].y);
+}}
+return gamepx;
+
+})();

files/jsart/demos/browser-background.txt

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+(()=>{ let a = (c*(((Math.sin(t/1000)+1)/4)+0.5)); let b = (Math.floor(Math.sin(((x+10000)*(y+1000))+(t/40000))*10)==0)*0xffffff; return (b ? b : a ); })()