1173 lines
32 KiB
JavaScript
1173 lines
32 KiB
JavaScript
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mergeInto(LibraryManager.library,
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{
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//generic handles array
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//yeah, I hope you don't use-after-free. hopefully that sort of thing will be detected on systems with easier non-mangled debuggers.
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// $FTEH__deps: [],
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// $FTEH: {
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// h: [],
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// f: {}
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// },
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//FIXME: split+merge by \n
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emscriptenfte_print : function(msg)
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{
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FTEC.linebuffer += UTF8ToString(msg);
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for(;;)
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{
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nl = FTEC.linebuffer.indexOf("\n");
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if (nl == -1)
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break;
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console.log(FTEC.linebuffer.substring(0, nl));
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FTEC.linebuffer = FTEC.linebuffer.substring(nl+1);
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}
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},
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emscriptenfte_alert : function(msg)
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{
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msg = UTF8ToString(msg);
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console.log(msg);
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alert(msg);
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},
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emscriptenfte_window_location : function(msg)
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{
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msg = UTF8ToString(msg);
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console.log("Redirecting page to " + msg);
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window.location = msg;
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},
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// emscriptenfte_handle_alloc__deps : ['$FTEH'],
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emscriptenfte_handle_alloc : function(h)
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{
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for (var i = 0; FTEH.h.length; i+=1)
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{
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if (FTEH.h[i] == null)
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{
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FTEH.h[i] = h;
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return i;
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}
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}
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i = FTEH.h.length;
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FTEH.h[i] = h;
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return i;
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},
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//temp files
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emscriptenfte_buf_createfromarraybuf__deps : ['emscriptenfte_handle_alloc'],
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emscriptenfte_buf_createfromarraybuf : function(buf)
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{
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buf = new Uint8Array(buf);
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var len = buf.length;
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var b = {h:-1, r:1, l:len,m:len,d:buf, n:null};
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b.h = _emscriptenfte_handle_alloc(b);
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return b.h;
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},
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$FTEC__deps : ['emscriptenfte_buf_createfromarraybuf'],
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$FTEC:
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{
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ctxwarned:0,
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pointerislocked:0,
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pointerwantlock:0,
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clipboard:"",
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linebuffer:'',
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localstorefailure:false,
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w: -1,
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h: -1,
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donecb:0,
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evcb: {
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resize:0,
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mouse:0,
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button:0,
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key:0,
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loadfile:0,
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cbufaddtext:0,
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jbutton:0,
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jaxis:0,
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wantfullscreen:0,
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frame:0
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},
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loadurl : function(url, mime, arraybuf)
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{
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if (FTEC.evcb.loadfile != 0)
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{
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let handle = -1;
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if (arraybuf !== undefined)
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handle = _emscriptenfte_buf_createfromarraybuf(arraybuf);
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let blen = lengthBytesUTF8(url)+1;
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let urlptr = _malloc(blen);
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stringToUTF8(url, urlptr, blen);
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blen = lengthBytesUTF8(mime)+1;
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let mimeptr = _malloc(blen);
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stringToUTF8(mime, mimeptr,blen);
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{{{makeDynCall('viii','FTEC.evcb.loadfile')}}}(urlptr, mimeptr, handle);
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_free(mimeptr);
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_free(urlptr);
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window.focus();
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}
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},
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cbufadd : function(command)
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{
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if (FTEC.evcb.cbufaddtext != 0)
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{
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let handle = -1;
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let blen = lengthBytesUTF8(command)+1;
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let ptr = _malloc(blen);
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stringToUTF8(command, ptr, blen);
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{{{makeDynCall('vi','FTEC.evcb.cbufaddtext')}}}(ptr);
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_free(ptr);
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window.focus();
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}
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},
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step : function(timestamp)
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{
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var dovsync = false;
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if (FTEC.aborted)
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return;
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try //this try is needed to handle Host_EndGame properly.
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{
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dovsync = {{{makeDynCall('if','FTEC.evcb.frame')}}}(timestamp);
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}
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catch(err)
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{
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console.log(err);
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}
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if (dovsync)
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Browser.requestAnimationFrame(FTEC.step);
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else
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setTimeout(FTEC.step, 0, performance.now());
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},
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handleevent : function(event)
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{
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switch(event.type)
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{
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case 'message':
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console.log(event);
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console.log(event.data);
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FTEC.loadurl(event.data.url, event.data.cmd, undefined);
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break;
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case 'resize':
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if (FTEC.evcb.resize != 0)
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{
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{{{makeDynCall('vii','FTEC.evcb.resize')}}}(Module['canvas'].width, Module['canvas'].height);
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}
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break;
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case 'mousemove':
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if (FTEC.evcb.mouse != 0)
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{
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if (Browser.pointerLock)
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{
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if (typeof event.movementX === 'undefined')
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{
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event.movementX = event.mozMovementX;
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event.movementY = event.mozMovementY;
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}
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if (typeof event.movementX === 'undefined')
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{
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event.movementX = event.webkitMovementX;
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event.movementY = event.webkitMovementY;
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}
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{{{makeDynCall('viiffff','FTEC.evcb.mouse')}}}(0, false, event.movementX, event.movementY, 0, 0);
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}
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else
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{
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var rect = Module['canvas'].getBoundingClientRect();
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{{{makeDynCall('viiffff','FTEC.evcb.mouse')}}}(0, true, (event.clientX - rect.left)*(Module['canvas'].width/rect.width), (event.clientY - rect.top)*(Module['canvas'].height/rect.height), 0, 0);
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}
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}
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break;
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case 'mousedown':
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window.focus();
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//older browsers need fullscreen in order for requestPointerLock to work.
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//newer browsers can still break pointer locks when alt-tabbing, even without breaking fullscreen.
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//so lets spam requests for it
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if (!document.fullscreenElement)
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if (FTEC.evcb.wantfullscreen != 0)
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if ({{{makeDynCall('i','FTEC.evcb.wantfullscreen')}}}())
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{
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try
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{
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Module['canvas'].requestFullscreen();
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}
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catch(e)
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{
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console.log("requestFullscreen:");
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console.log(e);
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}
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}
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if (FTEC.pointerwantlock != 0 && FTEC.pointerislocked == 0)
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{
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FTEC.pointerislocked = -1; //don't repeat the request on every click. firefox has a fit at that, so require the mouse to leave the element or something before we retry.
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Module['canvas'].requestPointerLock({unadjustedMovement: true}).catch(()=>{
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Module['canvas'].requestPointerLock().then(()=>{
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console.log("Your shitty browser doesn't support disabling mouse acceleration.");
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}).catch(()=>{
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FTEC.pointerislocked = 0; //failure. no real idea why. try again next frame though...
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});
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});
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}
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//fallthrough
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case 'mouseup':
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if (FTEC.evcb.button != 0)
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{
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{{{makeDynCall('viii','FTEC.evcb.button')}}}(0, event.type=='mousedown', event.button);
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event.preventDefault();
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}
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break;
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case 'mousewheel':
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case 'wheel':
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if (FTEC.evcb.button != 0)
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{
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{{{makeDynCall('viii','FTEC.evcb.button')}}}(0, 2, event.deltaY);
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event.preventDefault();
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}
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break;
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case 'mouseout':
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if (FTEC.evcb.button != 0)
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{
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for (var i = 0; i < 8; i++)
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{{{makeDynCall('viii','FTEC.evcb.button')}}}(0, false, i);
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}
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if (FTEC.pointerislocked == -1)
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FTEC.pointerislocked = 0;
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break;
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case 'focus':
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case 'blur':
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{{{makeDynCall('iiiii','FTEC.evcb.key')}}}(0, false, 16, 0); //shift
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{{{makeDynCall('iiiii','FTEC.evcb.key')}}}(0, false, 17, 0); //alt
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{{{makeDynCall('iiiii','FTEC.evcb.key')}}}(0, false, 18, 0); //ctrl
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if (FTEC.pointerislocked == -1)
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FTEC.pointerislocked = 0;
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break;
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case 'keypress':
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if (FTEC.evcb.key != 0)
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{
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if (event.charCode >= 122 && event.charCode <= 123) //no f11/f12
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break;
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{{{makeDynCall('iiiii','FTEC.evcb.key')}}}(0, 1, 0, event.charCode);
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{{{makeDynCall('iiiii','FTEC.evcb.key')}}}(0, 0, 0, event.charCode);
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event.preventDefault();
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event.stopPropagation();
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}
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break;
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case 'keydown':
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case 'keyup':
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//122 is 'toggle fullscreen'.
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//we don't steal that because its impossible to leave it again once used.
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if (FTEC.evcb.key != 0 && event.keyCode != 122)
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{
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if ({{{makeDynCall('iiiii','FTEC.evcb.key')}}}(0, event.type=='keydown', event.keyCode, 0))
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event.preventDefault();
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}
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break;
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case 'touchstart':
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case 'touchend':
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case 'touchcancel':
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case 'touchleave':
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case 'touchmove':
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var touches = event.changedTouches;
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for (var i = 0; i < touches.length; i++)
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{
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var t = touches[i];
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if (FTEC.evcb.mouse)
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{{{makeDynCall('viiffff','FTEC.evcb.mouse')}}}(t.identifier+1, true, t.pageX, t.pageY, 0, Math.sqrt(t.radiusX*t.radiusX+t.radiusY*t.radiusY));
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if (FTEC.evcb.button)
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{
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if (event.type == 'touchstart')
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{{{makeDynCall('viii','FTEC.evcb.button')}}}(t.identifier+1, 1, 0);
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else if (event.type != 'touchmove')
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{{{makeDynCall('viii','FTEC.evcb.button')}}}(t.identifier+1, 0, 0);
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}
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}
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event.preventDefault();
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break;
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case 'dragenter':
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case 'dragover':
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event.stopPropagation();
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event.preventDefault();
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break;
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case 'drop':
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event.stopPropagation();
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event.preventDefault();
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var files = event.dataTransfer.files;
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for (var i = 0; i < files.length; i++)
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{
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var file = files[i];
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var reader = new FileReader();
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reader.onload = function(evt)
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{
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FTEC.loadurl(file.name, "", evt.target.result);
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};
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reader.readAsArrayBuffer(file);
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}
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break;
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case 'gamepadconnected':
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var gp = e.gamepad;
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if (FTEH.gamepads === undefined)
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FTEH.gamepads = [];
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FTEH.gamepads[gp.index] = gp;
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console.log("Gamepad connected at index %d: %s. %d buttons, %d axes.", gp.index, gp.id, gp.buttons.length, gp.axes.length);
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break;
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case 'gamepaddisconnected':
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var gp = e.gamepad;
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delete FTEH.gamepads[gp.index];
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if (FTEC.evcb.jaxis) //try and clear out the axis when released.
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for (var j = 0; j < 6; j+=1)
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{{{makeDynCall('viifi','FTEC.evcb.jaxis')}}}(gp.index, j, 0, true);
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if (FTEC.evcb.jbutton) //try and clear out the axis when released.
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for (var j = 0; j < 32+4; j+=1)
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{{{makeDynCall('viiii','FTEC.evcb.jbutton')}}}(gp.index, j, 0, true);
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console.log("Gamepad disconnected from index %d: %s", gp.index, gp.id);
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break;
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case 'pointerlockerror':
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case 'pointerlockchange':
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case 'mozpointerlockchange':
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case 'webkitpointerlockchange':
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FTEC.pointerislocked = document.pointerLockElement === Module['canvas'] ||
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document.mozPointerLockElement === Module['canvas'] ||
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document.webkitPointerLockElement === Module['canvas'];
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console.log("Pointer lock now " + FTEC.pointerislocked);
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break;
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case 'beforeunload':
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event.preventDefault();
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return 'quit this game like everything else?';
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default:
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console.log(event);
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break;
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}
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}
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},
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emscriptenfte_updatepointerlock : function(wantlock, softcursor)
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{
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FTEC.pointerwantlock = wantlock;
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//we can only apply locks when we're clicked, but should be able to unlock any time.
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if (wantlock == 0 && FTEC.pointerislocked != 0)
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{
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document.exitPointerLock = document.exitPointerLock ||
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document.mozExitPointerLock ||
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document.webkitExitPointerLock;
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FTEC.pointerislocked = 0;
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if (document.exitPointerLock)
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document.exitPointerLock();
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}
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if (softcursor)
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Module.canvas.style.cursor = "none"; //hide the cursor, we'll do a soft-cursor when one is needed.
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else
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Module.canvas.style.cursor = "default"; //restore the cursor
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},
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emscriptenfte_polljoyevents : function()
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{
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//with events, we can do unplug stuff properly.
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//otherwise hot unplug might be buggy.
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var gamepads;
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// if (FTEH.gamepads !== undefined)
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// gamepads = FTEH.gamepads;
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// else
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gamepads = navigator.getGamepads ? navigator.getGamepads() : (navigator.webkitGetGamepads ? navigator.webkitGetGamepads : []);
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if (gamepads !== undefined)
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for (var i = 0; i < gamepads.length; i+=1)
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{
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var gp = gamepads[i];
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if (gp === undefined)
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continue;
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if (gp == null)
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continue;
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for (var j = 0; j < gp.buttons.length; j+=1)
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{
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var b = gp.buttons[j];
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var p;
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if (typeof(b) == "object")
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p = b.pressed; //.value is a fractional thing. oh well.
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else
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p = b > 0.5; //old chrome bug
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if (b.lastframe != p)
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{ //cache it to avoid spam
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b.lastframe = p;
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{{{makeDynCall('viiii','FTEC.evcb.jbutton')}}}(gp.index, j, p, gp.mapping=="standard");
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}
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}
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for (var j = 0; j < gp.axes.length; j+=1)
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{{{makeDynCall('viifi','FTEC.evcb.jaxis')}}}(gp.index, j, gp.axes[j], gp.mapping=="standard");
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}
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},
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emscriptenfte_setupcanvas__deps: ['$FTEC', '$Browser', 'emscriptenfte_buf_createfromarraybuf'],
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emscriptenfte_setupcanvas : function(nw,nh,evresize,evmouse,evmbutton,evkey,evfile,evcbufadd,evjbutton,evjaxis,evwantfullscreen)
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{
|
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try
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{
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FTEC.evcb.resize = evresize;
|
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FTEC.evcb.mouse = evmouse;
|
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FTEC.evcb.button = evmbutton;
|
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FTEC.evcb.key = evkey;
|
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FTEC.evcb.loadfile = evfile;
|
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FTEC.evcb.cbufaddtext = evcbufadd;
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FTEC.evcb.jbutton = evjbutton;
|
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FTEC.evcb.jaxis = evjaxis;
|
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FTEC.evcb.wantfullscreen = evwantfullscreen;
|
|
|
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if ('GamepadEvent' in window)
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FTEH.gamepads = []; //don't bother ever trying to poll if we can use gamepad events. this will hopefully avoid weirdness.
|
|
|
|
if (!FTEC.donecb)
|
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{
|
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FTEC.donecb = 1;
|
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var events = ['mousedown', 'mouseup', 'mousemove', 'wheel', 'mousewheel', 'mouseout',
|
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'keypress', 'keydown', 'keyup',
|
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'touchstart', 'touchend', 'touchcancel', 'touchleave', 'touchmove',
|
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'dragenter', 'dragover', 'drop',
|
|
'message', 'resize',
|
|
'pointerlockerror', 'pointerlockchange', 'mozpointerlockchange', 'webkitpointerlockchange',
|
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'focus', 'blur']; //try to fix alt-tab
|
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events.forEach(function(event)
|
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{
|
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Module['canvas'].addEventListener(event, FTEC.handleevent, true);
|
|
});
|
|
|
|
var docevents = ['keypress', 'keydown', 'keyup',
|
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'pointerlockerror', 'pointerlockchange', 'mozpointerlockchange', 'webkitpointerlockchange'];
|
|
docevents.forEach(function(event)
|
|
{
|
|
document.addEventListener(event, FTEC.handleevent, true);
|
|
});
|
|
|
|
var windowevents = ['message','gamepadconnected', 'gamepaddisconnected', 'beforeunload'];
|
|
windowevents.forEach(function(event)
|
|
{
|
|
window.addEventListener(event, FTEC.handleevent, true);
|
|
});
|
|
|
|
// Browser.resizeListeners.push(function(w, h) {
|
|
// FTEC.handleevent({
|
|
// type: 'resize',
|
|
// });
|
|
// });
|
|
}
|
|
var ctx = Browser.createContext(Module['canvas'], true, true);
|
|
if (ctx == null)
|
|
{
|
|
var msg = "Unable to set up webgl context.\n\nPlease use a browser that supports it and has it enabled\nYour graphics drivers may also be blacklisted, so try updating those too. woo, might as well update your entire operating system while you're at it.\nIt'll be expensive, but hey, its YOUR money, not mine.\nYou can probably just disable the blacklist, but please don't moan at me when your computer blows up, seriously, make sure those drivers are not too buggy.\nI knew a guy once. True story. Boring, but true.\nYou're probably missing out on something right now. Don't you just hate it when that happens?\nMeh, its probably just tinkertoys, right?\n\nYou know, you could always try Internet Explorer, you never know, hell might have frozen over.\nDon't worry, I wasn't serious.\n\nTum te tum. Did you get it working yet?\nDude, fix it already.\n\nThis message was brought to you by Sleep Deprivation, sponsoring quake since I don't know when";
|
|
if (FTEC.ctxwarned == 0)
|
|
{
|
|
FTEC.ctxwarned = 1;
|
|
console.log(msg);
|
|
alert(msg);
|
|
}
|
|
return 0;
|
|
}
|
|
// Browser.setCanvasSize(nw, nh, false);
|
|
|
|
window.onresize = function()
|
|
{
|
|
//emscripten's browser library will revert sizes wrongly or something when we're fullscreen, so make sure that doesn't happen.
|
|
// if (Browser.isFullScreen)
|
|
// {
|
|
// Browser.windowedWidth = window.innerWidth;
|
|
// Browser.windowedHeight = window.innerHeight;
|
|
// }
|
|
// else
|
|
{
|
|
var rect = Module['canvas'].getBoundingClientRect();
|
|
Browser.setCanvasSize(rect.width, rect.height, false);
|
|
}
|
|
if (FTEC.evcb.resize != 0)
|
|
{{{makeDynCall('vii','FTEC.evcb.resize')}}}(Module['canvas'].width, Module['canvas'].height);
|
|
};
|
|
window.onresize();
|
|
|
|
if (FTEC.evcb.hashchange)
|
|
{
|
|
window.onhashchange = function()
|
|
{
|
|
FTEC.loadurl(location.hash.substring(1), "", undefined);
|
|
};
|
|
}
|
|
|
|
_emscriptenfte_updatepointerlock(false, false);
|
|
} catch(e)
|
|
{
|
|
console.log(e);
|
|
}
|
|
|
|
return 1;
|
|
},
|
|
emscriptenfte_settitle : function(txt)
|
|
{
|
|
document.title = UTF8ToString(txt);
|
|
},
|
|
emscriptenfte_abortmainloop : function(fname, fatal)
|
|
{
|
|
fname = UTF8ToString(fname);
|
|
if (fatal)
|
|
FTEC.aborted = true;
|
|
if (Module['stackTrace'])
|
|
throw 'oh noes! something bad happened in ' + fname + '!\n' + Module['stackTrace']();
|
|
throw 'oh noes! something bad happened!\n';
|
|
},
|
|
|
|
emscriptenfte_setupmainloop__deps: ['$FTEC'],
|
|
emscriptenfte_setupmainloop : function(fnc)
|
|
{
|
|
Module['noExitRuntime'] = true;
|
|
FTEC.aborted = false;
|
|
|
|
Module["sched"] = FTEC.step;
|
|
FTEC.evcb.frame = fnc;
|
|
//don't start it instantly, so we can distinguish between types of errors (emscripten sucks!).
|
|
setTimeout(FTEC.step, 1, performance.now());
|
|
},
|
|
|
|
emscriptenfte_ticks_ms : function()
|
|
{ //milliseconds...
|
|
return Date.now();
|
|
},
|
|
emscriptenfte_uptime_ms : function()
|
|
{ //milliseconds...
|
|
return performance.now();
|
|
},
|
|
|
|
emscriptenfte_buf_create__deps : ['emscriptenfte_handle_alloc'],
|
|
emscriptenfte_buf_create : function()
|
|
{
|
|
var b = {h:-1, r:1, l:0,m:4096,d:new Uint8Array(4096), n:null};
|
|
b.h = _emscriptenfte_handle_alloc(b);
|
|
return b.h;
|
|
},
|
|
//filesystem emulation
|
|
emscriptenfte_buf_open__deps : ['emscriptenfte_buf_create'],
|
|
emscriptenfte_buf_open : function(name, createifneeded)
|
|
{
|
|
name = UTF8ToString(name);
|
|
var f = FTEH.f[name];
|
|
var r = -1;
|
|
if (f == null)
|
|
{
|
|
if (!FTEC.localstorefailure)
|
|
{
|
|
try
|
|
{
|
|
if (localStorage && createifneeded != 2)
|
|
{
|
|
var str = localStorage.getItem(name);
|
|
if (str != null)
|
|
{
|
|
// console.log('read file '+name+': ' + str);
|
|
|
|
var len = str.length;
|
|
var buf = new Uint8Array(len);
|
|
for (var i = 0; i < len; i++)
|
|
buf[i] = str.charCodeAt(i);
|
|
|
|
var b = {h:-1, r:2, l:len,m:len,d:buf, n:name};
|
|
r = b.h = _emscriptenfte_handle_alloc(b);
|
|
FTEH.f[name] = b;
|
|
return b.h;
|
|
}
|
|
}
|
|
}
|
|
catch(e)
|
|
{
|
|
console.log('exception while trying to read local storage for ' + name);
|
|
console.log(e);
|
|
console.log('disabling further attempts to access local storage');
|
|
FTEC.localstorefailure = true;
|
|
}
|
|
}
|
|
|
|
if (createifneeded)
|
|
r = _emscriptenfte_buf_create();
|
|
if (r != -1)
|
|
{
|
|
f = FTEH.h[r];
|
|
f.r+=1;
|
|
f.n = name;
|
|
FTEH.f[name] = f;
|
|
if (FTEH.f[name] != f || f.n != name)
|
|
console.log('error creating file '+name);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
f.r+=1;
|
|
r = f.h;
|
|
}
|
|
if (f != null && createifneeded == 2)
|
|
f.l = 0; //truncate it.
|
|
return r;
|
|
},
|
|
emscriptenfte_buf_rename : function(oldname, newname)
|
|
{
|
|
oldname = UTF8ToString(oldname);
|
|
newname = UTF8ToString(newname);
|
|
var f = FTEH.f[oldname];
|
|
if (f == null)
|
|
return 0;
|
|
if (FTEH.f[newname] != null)
|
|
return 0;
|
|
FTEH.f[newname] = f;
|
|
delete FTEH.f[oldname];
|
|
f.n = newname;
|
|
return 1;
|
|
},
|
|
emscriptenfte_buf_delete : function(name)
|
|
{
|
|
name = UTF8ToString(name);
|
|
var f = FTEH.f[name];
|
|
if (f)
|
|
{
|
|
delete FTEH.f[name];
|
|
f.n = null;
|
|
_emscriptenfte_buf_release(f.h);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
},
|
|
emscritenfte_buf_enumerate : function(cb, ctx, sz)
|
|
{
|
|
var n = Object.keys(FTEH.f);
|
|
var c = n.length, i;
|
|
for (i = 0; i < c; i++)
|
|
{
|
|
stringToUTF8(n[i], ctx, sz);
|
|
{{{makeDynCall('vii','cb')}}}(ctx, FTEH.f[n[i]].l);
|
|
}
|
|
},
|
|
emscriptenfte_buf_pushtolocalstore : function(handle)
|
|
{
|
|
var b = FTEH.h[handle];
|
|
if (b == null)
|
|
{
|
|
Module.printError('emscriptenfte_buf_pushtolocalstore with invalid handle');
|
|
return;
|
|
}
|
|
if (b.n == null)
|
|
return;
|
|
var data = b.d;
|
|
var len = b.l;
|
|
try
|
|
{
|
|
if (localStorage)
|
|
{
|
|
var foo = "";
|
|
//use a divide and conquer implementation instead for speed?
|
|
for (var i = 0; i < len; i++)
|
|
foo += String.fromCharCode(data[i]);
|
|
localStorage.setItem(b.n, foo);
|
|
}
|
|
else
|
|
console.log('local storage not supported');
|
|
}
|
|
catch (e)
|
|
{
|
|
console.log('exception while trying to save ' + b.n);
|
|
console.log(e);
|
|
}
|
|
},
|
|
emscriptenfte_buf_release : function(handle)
|
|
{
|
|
var b = FTEH.h[handle];
|
|
if (b == null)
|
|
{
|
|
Module.printError('emscriptenfte_buf_release with invalid handle');
|
|
return;
|
|
}
|
|
b.r -= 1;
|
|
if (b.r == 0)
|
|
{
|
|
if (b.n != null)
|
|
delete FTEH.f[b.n];
|
|
delete FTEH.h[handle];
|
|
b.d = null;
|
|
}
|
|
},
|
|
emscriptenfte_buf_getsize : function(handle)
|
|
{
|
|
var b = FTEH.h[handle];
|
|
return b.l;
|
|
},
|
|
emscriptenfte_buf_read : function(handle, offset, data, len)
|
|
{
|
|
var b = FTEH.h[handle];
|
|
if (offset+len > b.l) //clamp the read
|
|
len = b.l - offset;
|
|
if (len < 0)
|
|
{
|
|
len = 0;
|
|
if (offset+len >= b.l)
|
|
return -1;
|
|
}
|
|
HEAPU8.set(b.d.subarray(offset, offset+len), data);
|
|
return len;
|
|
},
|
|
emscriptenfte_buf_write : function(handle, offset, data, len)
|
|
{
|
|
var b = FTEH.h[handle];
|
|
if (len < 0)
|
|
len = 0;
|
|
if (offset+len > b.m)
|
|
{ //extend it if needed.
|
|
b.m = offset + len + 4095;
|
|
b.m = b.m & ~4095;
|
|
var nd = new Uint8Array(b.m);
|
|
nd.set(b.d, 0);
|
|
b.d = nd;
|
|
}
|
|
b.d.set(HEAPU8.subarray(data, data+len), offset);
|
|
if (offset + len > b.l)
|
|
b.l = offset + len;
|
|
return len;
|
|
},
|
|
|
|
emscriptenfte_ws_connect__deps: ['emscriptenfte_handle_alloc'],
|
|
emscriptenfte_ws_connect : function(brokerurl, protocolname)
|
|
{
|
|
var _url = UTF8ToString(brokerurl);
|
|
var _protocol = UTF8ToString(protocolname);
|
|
var s = {ws:null, inq:[], err:0, con:0};
|
|
try {
|
|
s.ws = new WebSocket(_url, _protocol);
|
|
} catch(err) { console.log(err); }
|
|
if (s.ws === undefined)
|
|
return -1;
|
|
if (s.ws == null)
|
|
return -1;
|
|
s.ws.binaryType = 'arraybuffer';
|
|
s.ws.onerror = function(event) {s.con = 0; s.err = 1;};
|
|
s.ws.onclose = function(event) {s.con = 0; s.err = 1;};
|
|
s.ws.onopen = function(event) {s.con = 1;};
|
|
s.ws.onmessage = function(event)
|
|
{
|
|
assert(typeof event.data !== 'string' && event.data.byteLength, 'websocket data is not usable');
|
|
s.inq.push(new Uint8Array(event.data));
|
|
};
|
|
|
|
return _emscriptenfte_handle_alloc(s);
|
|
},
|
|
emscriptenfte_ws_close : function(sockid)
|
|
{
|
|
var s = FTEH.h[sockid];
|
|
if (s === undefined)
|
|
return -1;
|
|
|
|
s.callcb = null;
|
|
|
|
if (s.ws != null)
|
|
{
|
|
s.ws.close();
|
|
s.ws = null; //make sure to avoid circular references
|
|
}
|
|
|
|
if (s.pc != null)
|
|
{
|
|
s.pc.close();
|
|
s.pc = null; //make sure to avoid circular references
|
|
}
|
|
|
|
if (s.broker != null)
|
|
{
|
|
s.broker.close();
|
|
s.broker = null; //make sure to avoid circular references
|
|
}
|
|
delete FTEH.h[sockid]; //socked is no longer accessible.
|
|
return 0;
|
|
},
|
|
//separate call allows for more sane flood control when fragmentation is involved.
|
|
emscriptenfte_ws_cansend : function(sockid, extra, maxpending)
|
|
{
|
|
var s = FTEH.h[sockid];
|
|
if (s === undefined)
|
|
return 1; //go on punk, make my day.
|
|
return ((s.ws.bufferedAmount+extra) < maxpending);
|
|
},
|
|
emscriptenfte_ws_send : function(sockid, data, len)
|
|
{
|
|
var s = FTEH.h[sockid];
|
|
if (s === undefined)
|
|
return -1;
|
|
if (s.con == 0)
|
|
return 0; //not connected yet
|
|
if (len == 0)
|
|
return 0; //...
|
|
s.ws.send(HEAPU8.subarray(data, data+len));
|
|
return len;
|
|
},
|
|
emscriptenfte_ws_recv : function(sockid, data, len)
|
|
{
|
|
var s = FTEH.h[sockid];
|
|
if (s === undefined)
|
|
return -1;
|
|
var inp = s.inq.shift();
|
|
if (inp)
|
|
{
|
|
if (inp.length > len)
|
|
inp.length = len;
|
|
HEAPU8.set(inp, data);
|
|
return inp.length;
|
|
}
|
|
if (s.err)
|
|
return -1;
|
|
return 0;
|
|
},
|
|
|
|
emscriptenfte_rtc_create__deps: ['emscriptenfte_handle_alloc'],
|
|
emscriptenfte_rtc_create : function(clientside, ctxp, ctxi, callback)
|
|
{
|
|
var pcconfig = {
|
|
iceServers:
|
|
[{
|
|
url: 'stun:stun.l.google.com:19302'
|
|
}]
|
|
};
|
|
var dcconfig = {ordered: false, maxRetransmits: 0, reliable:false};
|
|
|
|
var s = {pc:null, ws:null, inq:[], err:0, con:0, isclient:clientside, callcb:
|
|
function(evtype,stringdata)
|
|
{ //private helper
|
|
|
|
//console.log("emscriptenfte_rtc_create callback: " + evtype);
|
|
|
|
var stringlen = (stringdata.length*3)+1;
|
|
var dataptr = _malloc(stringlen);
|
|
stringToUTF8(stringdata, dataptr, stringlen);
|
|
{{{makeDynCall('viiii','callback')}}}(ctxp,ctxi,evtype,dataptr);
|
|
_free(dataptr);
|
|
}
|
|
};
|
|
|
|
if (RTCPeerConnection === undefined)
|
|
{ //IE or something.
|
|
console.log("RTCPeerConnection undefined");
|
|
return -1;
|
|
}
|
|
|
|
s.pc = new RTCPeerConnection(pcconfig);
|
|
if (s.pc === undefined)
|
|
{
|
|
console.log("webrtc failed to create RTCPeerConnection");
|
|
return -1;
|
|
}
|
|
|
|
//create the dataconnection
|
|
s.ws = s.pc.createDataChannel('quake', dcconfig);
|
|
s.ws.binaryType = 'arraybuffer';
|
|
s.ws.onclose = function(event)
|
|
{
|
|
s.con = 0;
|
|
s.err = 1;
|
|
};
|
|
s.ws.onopen = function(event)
|
|
{
|
|
s.con = 1;
|
|
};
|
|
s.ws.onmessage = function(event)
|
|
{
|
|
assert(typeof event.data !== 'string' && event.data.byteLength);
|
|
s.inq.push(new Uint8Array(event.data));
|
|
};
|
|
|
|
s.pc.onicecandidate = function(e)
|
|
{
|
|
var desc;
|
|
if (1)
|
|
desc = JSON.stringify(e.candidate);
|
|
else
|
|
desc = e.candidate.candidate;
|
|
if (desc == null)
|
|
return; //no more...
|
|
s.callcb(4, desc);
|
|
};
|
|
s.pc.ondatachannel = function(e)
|
|
{
|
|
s.recvchan = e.channel;
|
|
s.recvchan.binaryType = 'arraybuffer';
|
|
s.recvchan.onmessage = s.ws.onmessage;
|
|
};
|
|
|
|
if (clientside)
|
|
{
|
|
s.pc.createOffer().then(
|
|
function(desc)
|
|
{
|
|
s.pc.setLocalDescription(desc);
|
|
|
|
if (1)
|
|
desc = JSON.stringify(desc);
|
|
else
|
|
desc = desc.sdp;
|
|
|
|
s.callcb(3, desc);
|
|
},
|
|
function(event)
|
|
{
|
|
s.err = 1;
|
|
}
|
|
);
|
|
}
|
|
|
|
return _emscriptenfte_handle_alloc(s);
|
|
},
|
|
emscriptenfte_rtc_offer : function(sockid, offer, offertype)
|
|
{
|
|
var s = FTEH.h[sockid];
|
|
offer = UTF8ToString(offer);
|
|
offertype = UTF8ToString(offertype);
|
|
if (s === undefined)
|
|
return -1;
|
|
|
|
try
|
|
{
|
|
if (1)
|
|
desc = JSON.parse(offer);
|
|
else
|
|
desc = {sdp:offer, type:offertype};
|
|
|
|
s.pc.setRemoteDescription(desc);
|
|
} catch(err) { console.log(err); }
|
|
|
|
if (!s.isclient)
|
|
{ //server must give a response.
|
|
s.pc.createAnswer().then(
|
|
function(desc)
|
|
{
|
|
s.pc.setLocalDescription(desc);
|
|
|
|
if (1)
|
|
desc = JSON.stringify(desc);
|
|
else
|
|
desc = desc.sdp;
|
|
|
|
s.callcb(3, desc);
|
|
},
|
|
function(event)
|
|
{
|
|
s.err = 1;
|
|
}
|
|
);
|
|
}
|
|
},
|
|
emscriptenfte_rtc_candidate : function(sockid, offer)
|
|
{
|
|
var s = FTEH.h[sockid];
|
|
offer = UTF8ToString(offer);
|
|
if (s === undefined)
|
|
return -1;
|
|
|
|
try //don't screw up if the peer is trying to screw with us.
|
|
{
|
|
var desc;
|
|
if (1)
|
|
desc = JSON.parse(offer);
|
|
else
|
|
desc = {candidate:offer, sdpMid:null, sdpMLineIndex:0};
|
|
s.pc.addIceCandidate(desc);
|
|
} catch(err) { console.log(err); }
|
|
},
|
|
|
|
emscriptenfte_async_wget_data2 : function(url, ctx, onload, onerror, onprogress)
|
|
{
|
|
var _url = UTF8ToString(url);
|
|
// console.log("Attempting download of " + _url);
|
|
var http = new XMLHttpRequest();
|
|
try
|
|
{
|
|
http.open('GET', _url, true);
|
|
}
|
|
catch(e)
|
|
{
|
|
if (onerror)
|
|
{{{makeDynCall('vii','onerror')}}}(ctx, 404);
|
|
return;
|
|
}
|
|
http.responseType = 'arraybuffer';
|
|
|
|
http.onload = function(e)
|
|
{
|
|
//console.log("onload: " + _url + " status " + http.status);
|
|
if (http.status == 200)
|
|
{
|
|
if (onload)
|
|
{{{makeDynCall('vii','onload')}}}(ctx, _emscriptenfte_buf_createfromarraybuf(http.response));
|
|
}
|
|
else
|
|
{
|
|
if (onerror)
|
|
{{{makeDynCall('vii','onerror')}}}(ctx, http.status);
|
|
}
|
|
};
|
|
|
|
http.onerror = function(e)
|
|
{
|
|
//console.log("onerror: " + _url);
|
|
if (onerror)
|
|
{{{makeDynCall('vii','onerror')}}}(ctx, 0);
|
|
};
|
|
|
|
http.onprogress = function(e)
|
|
{
|
|
if (onprogress)
|
|
{{{makeDynCall('viii','onprogress')}}}(ctx, e.loaded, e.total);
|
|
};
|
|
|
|
try //ffs
|
|
{
|
|
http.send(null);
|
|
}
|
|
catch(e)
|
|
{
|
|
console.log(e);
|
|
http.onerror(e);
|
|
}
|
|
},
|
|
|
|
emscriptenfte_al_loadaudiofile : function(buf, dataptr, datasize)
|
|
{
|
|
var ctx = AL;
|
|
//match emscripten's openal support.
|
|
if (!buf)
|
|
return;
|
|
|
|
var albuf = AL.buffers[buf];
|
|
AL.buffers[buf] = null; //alIsBuffer will report it as invalid now
|
|
|
|
try
|
|
{
|
|
//its async, so it needs its own copy of an arraybuffer, not just a view.
|
|
var abuf = new ArrayBuffer(datasize);
|
|
var rbuf = new Uint8Array(abuf);
|
|
rbuf.set(HEAPU8.subarray(dataptr, dataptr+datasize));
|
|
AL.currentCtx.audioCtx.decodeAudioData(abuf,
|
|
function(buffer)
|
|
{
|
|
//Warning: This depends upon emscripten's specific implementation of alBufferData
|
|
albuf.bytesPerSample = 2;
|
|
albuf.channels = 1;
|
|
albuf.length = buffer.length;
|
|
albuf.frequency = buffer.sampleRate;
|
|
albuf.audioBuf = buffer;
|
|
|
|
ctx.buffers[buf] = albuf; //and its valid again!
|
|
},
|
|
function()
|
|
{
|
|
console.log("Audio Callback failed!");
|
|
ctx.buffers[buf] = albuf;
|
|
}
|
|
);
|
|
}
|
|
catch (e)
|
|
{
|
|
console.log("unable to decode audio data");
|
|
console.log(e);
|
|
ctx.buffers[buf] = albuf;
|
|
}
|
|
},
|
|
|
|
emscriptenfte_gl_loadtexturefile : function(texid, widthptr, heightptr, dataptr, datasize, fname, dopremul, genmips)
|
|
{
|
|
function encode64(data) {
|
|
var BASE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
|
|
var PAD = '=';
|
|
var ret = '';
|
|
var leftchar = 0;
|
|
var leftbits = 0;
|
|
for (var i = 0; i < data.length; i++) {
|
|
leftchar = (leftchar << 8) | data[i];
|
|
leftbits += 8;
|
|
while (leftbits >= 6) {
|
|
var curr = (leftchar >> (leftbits-6)) & 0x3f;
|
|
leftbits -= 6;
|
|
ret += BASE[curr];
|
|
}
|
|
}
|
|
if (leftbits == 2) {
|
|
ret += BASE[(leftchar&3) << 4];
|
|
ret += PAD + PAD;
|
|
} else if (leftbits == 4) {
|
|
ret += BASE[(leftchar&0xf) << 2];
|
|
ret += PAD;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
//make sure the texture is defined before its loaded, so we get no errors
|
|
GLctx.texImage2D(GLctx.TEXTURE_2D, 0, GLctx.RGBA, 1,1,0,GLctx.RGBA, GLctx.UNSIGNED_BYTE, null);
|
|
|
|
var img = new Image();
|
|
var gltex = GL.textures[texid];
|
|
img.name = UTF8ToString(fname);
|
|
img.onload = function()
|
|
{
|
|
if (img.width < 1 || img.height < 1)
|
|
{
|
|
console.log("emscriptenfte_gl_loadtexturefile("+img.name+"): bad image size\n");
|
|
return;
|
|
}
|
|
var oldtex = GLctx.getParameter(GLctx.TEXTURE_BINDING_2D); //blurgh, try to avoid breaking anything in this unexpected event.
|
|
GLctx.bindTexture(GLctx.TEXTURE_2D, gltex);
|
|
if (dopremul)
|
|
GLctx.pixelStorei(GLctx.UNPACK_PREMULTIPLY_ALPHA_WEBGL, true);
|
|
GLctx.texImage2D(GLctx.TEXTURE_2D, 0, GLctx.RGBA, GLctx.RGBA, GLctx.UNSIGNED_BYTE, img);
|
|
if (dopremul)
|
|
GLctx.pixelStorei(GLctx.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
|
|
if (genmips)
|
|
GLctx.generateMipmap(GLctx.TEXTURE_2D);
|
|
GLctx.bindTexture(GLctx.TEXTURE_2D, oldtex);
|
|
};
|
|
img.crossorigin = true;
|
|
img.src = "data:image/png;base64," + encode64(HEAPU8.subarray(dataptr, dataptr+datasize));
|
|
},
|
|
|
|
Sys_Clipboard_PasteText: function(cbt, callback, ctx)
|
|
{
|
|
if (cbt != 0)
|
|
return; //don't do selections.
|
|
|
|
let docallback = function(text)
|
|
{
|
|
FTEC.clipboard = text;
|
|
try{
|
|
let stringlen = (text.length*3)+1;
|
|
let dataptr = _malloc(stringlen);
|
|
stringToUTF8(text, dataptr, stringlen);
|
|
{{{makeDynCall('vii','callback')}}}(ctx, dataptr);
|
|
_free(dataptr);
|
|
}catch(e){
|
|
}
|
|
};
|
|
|
|
//try pasting. if it fails then use our internal string.
|
|
try
|
|
{
|
|
navigator.clipboard.readText()
|
|
.then(docallback)
|
|
.catch((e)=>{docallback(FTEC.clipboard)});
|
|
}
|
|
catch(e)
|
|
{ //clipboard API not supported at all.
|
|
console.log(e); //happens in firefox. lets print it so we know WHY its failing.
|
|
docallback(FTEC.clipboard);
|
|
}
|
|
},
|
|
Sys_SaveClipboard: function(cbt, text)
|
|
{
|
|
if (cbt != 0)
|
|
return; //don't do selections.
|
|
|
|
FTEC.clipboard = UTF8ToString(text);
|
|
|
|
try
|
|
{
|
|
//try and copy it to the system clipboard too.
|
|
navigator.clipboard.writeText(FTEC.clipboard);
|
|
}
|
|
catch {}
|
|
}
|
|
});
|
|
|