Using the drawing canvas, I'm drawing images to make trees, that I then load that image into a tree sprite that I'd like to share with peers that join in my multiplayer game. How do I save the images in a way that the peers can then download these drawn images when loaded in? It's p2p connection where 1 person is the host. I have a signal server setup in C3.

Using the multiplayer tool, and playin in chrome, I'm using a tilmeap to draw solid walls around my base. When a peer joins my game, their game freezes up when their movement is enabled (8D or Custom) and the solids are enabled. As long as only one of them is active, they won't freeze up. The tilemap i'm using only has an event to enable it's solid, nothing else. Even removing all the code behind the peer's movement still ensures that it freezes up, so I don't believe it's in my events.

Ive tried this with using sprites/solid instead of a tilemap, and I still get the same issue.

Here's the full console log: GoogleDrive

Here's the distinct errors im seeing in the Console:

layer.js:70 Uncaught (in promise) TypeError: Cannot read properties of null (reading 'GetScale')

at Layer.GetNormalScale (layer.js:70:262)

at Layer.GetDisplayScale (layer.js:70:164)

at Layer.LayerToCanvasCss (layer.js:77:256)

at CollisionEngine.TestTilemapOverlapDifferentLayers (collisionEngine.js:9:282)

at CollisionEngine._TestOverlap_DifferentLayers (collisionEngine.js:7:125)

at CollisionEngine.TestOverlap (collisionEngine.js:5:335)

at CollisionEngine.TestOverlapSolid (collisionEngine.js:21:366)

at EightDirInstance.Tick (runtime.js:8:206)

at C3Runtime._BehaviorTick (runtime.js:81:41)

at C3Runtime.Step_AfterPreTick (runtime.js:88:241)

...

runtime.js:7 Uncaught (in promise) TypeError: Cannot read properties of null (reading 'GetDt')

at EightDirInstance.Tick (runtime.js:7:354)

at C3Runtime._BehaviorTick (runtime.js:81:41)

at C3Runtime.Step_AfterPreTick (runtime.js:88:241)

at C3Runtime.Tick (runtime.js:84:178)

...

Uncaught (in promise) TypeError: Cannot read properties of null (reading 'GetObjectClass')

at js_cols.RedBlackSet.SortByTickSequence [as compare] (behaviorInstance.js:4:360)

at js_cols.RedBlackSet.get_ (redblackset.js:15:95)

at js_cols.RedBlackSet.contains (redblackset.js:15:245)

at RedBlackSet.Add (redblackset.js:27:256)

at C3Runtime._AddBehInstToTick (runtime.js:80:104)

at BulletInstance._StartTicking (sdkBehaviorInstanceBase.js:4:317)

at new BulletInstance (runtime.js:4:92)

at C3.New (jsutil.js:16:47)

at BehaviorInstance._CreateSdkInstance (behaviorInstance.js:3:208)

at Instance._CreateSdkInstance (instance.js:7:108)

...

instance.js:9 Uncaught (in promise) TypeError: Cannot read properties of null (reading 'Draw')

at Instance.Draw (instance.js:9:296)

at Layer._DrawInstance (layer.js:66:6)

at Layer._DrawInstanceMaybeWithEffects (layer.js:65:339)

at Layer._DrawInstances (layer.js:59:99)

at Layer.Draw (layer.js:57:191)

at Layout._DrawLayerList (layout.js:54:546)

at Layer.Draw (layer.js:56:185)

at Layout._DrawLayerList (layout.js:54:546)

at Layout.DrawMain (layout.js:52:113)

at C3Runtime._Render (runtime.js:102:144)

...

behaviorInstance.js:4 Uncaught (in promise) TypeError: Cannot read properties of null (reading 'GetObjectClass')

at js_cols.RedBlackSet.SortByTickSequence [as compare] (behaviorInstance.js:4:360)

at js_cols.RedBlackSet.get_ (redblackset.js:15:95)

at js_cols.RedBlackSet.contains (redblackset.js:15:245)

at RedBlackSet.Add (redblackset.js:27:256)

at C3Runtime._AddBehInstToTick (runtime.js:80:104)

at BulletInstance._StartTicking (sdkBehaviorInstanceBase.js:4:317)

at new BulletInstance (runtime.js:4:92)

at C3.New (jsutil.js:16:47)

at BehaviorInstance._CreateSdkInstance (behaviorInst

...

I've been making games for years now, and have been programming for work for 12 years. I was reading up that C3 multiplayer has had improvements, but it's still not going to offer a low latency experience (and even photon can have lag). So I saw a post mention that doing your own thing through WebSockets and Node.JS backend is the best way to implement multiplayer.

I will be offering 4 or 5 players navigating around a layout that is 10kx10k, I'm confident I can make my own, but I'd rather use easier tools to speed things up as I'm doing everything on my own. Has C3 multiplayer plugins or options improved? or should I create my own server setup since I have the knowledge/ability.

I'm also trying to export the game to steam, steam deck, possibly mobiles at some point. Does C3 have Xbox/PS integration yet, or SteamOS for that matter?

To be able to load a json string into the array object it needs to be in a specific format. You can see that format with array.asJSON.

Something like this should work in converting your json string into a 1d construct array json.

function convert(in){
in = JSON.parse(in);
let out = {c2array:true,size:[0,1,1],data:[]};
for(let i=0; i<in.length; i++){
out.data.push([[in[i].x]], [[in[i].y]]);
out.size[0]+=2;
}
return JSON.stringify(out);
}

Then after loading that into the array object you can access the xy of the nth point with:

X=array.at(n*2)

Y=array.at(n*2+1)

I'm trying to skip the JSON completely, and just use JS to manipulate the array, but I can't for the life of me get it to touch my array, am I doing something wrong here? my JS seems to be disconnected completely from my C3 sheet, even though I was able to get the values into a JSON. And it's purpose is set to import for events (even though only of my JS can have that label at a time for some reason?):

function genPointsTest(numPoints) {
 // Choose the array
 const pointsArray = runtime.objects.points_Array.getFirstInstance;
 pointsArray.clear();
 pointsArray.setSize(numPoints + 1, 2);

 for (let i = 0; i <= numPoints; i++) {
 let phi = 25;
 let r = phi + 25;
 let x = r * Math.cos(phi);
 let y = r * Math.sin(phi);

 // Add the points to the Array
 pointsArray.setAt(x, i, 0);
 pointsArray.setAt(y, i, 1);
 }
}
}