342 lines
9.3 KiB
JavaScript
342 lines
9.3 KiB
JavaScript
//Make sure canvasses are in the correct positionG
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var maincanvas= document.querySelector("MainCanvas");
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var MainCanvas = document.getElementById("MainCanvas");
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var MainCanvas_ctx = MainCanvas.getContext("2d");
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var maincanvasBackground="lightgrey";
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var mouseIsDown=false;
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var mouseDownLocation;
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var mouseDidMovement=false;
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var imageSize=40;
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var small_button_size=20;
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//The user interface mode. 0=network, 1=network information, 2=puzzle-selection menu
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var uiMode=1;
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const imageCollection = loadImages(
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["ArrowUp", "ArrowDown", "animations",
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"burnmark", "cellphone", "circle",
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"copier", "firewall", "fluorescent",
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"hub", "ip_phone", "laptop",
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"link", "microwave", "pc", "printer",
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"router", "select", "server",
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"shapes", "square", "switch",
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"tablet", "tree", "vidimage",
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"wap", "wbridge", "wrepeater",
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"wrouter", "x", "info", "menu"],
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["img/ArrowUp.png", "img/ArrowDown.png", "img/Animations.png",
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"img/BurnMark.png", "img/cellphone.png", "img/Circle.png",
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"img/Copier.png", "img/firewall.png", "img/fluorescent.png",
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"img/Hub.png", "img/ip_phone.png", "img/Laptop.png",
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"img/link.png", "img/microwave.png", "img/PC.png",
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"img/Printer.png", "img/Router.png", "img/select.png",
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"img/Server.png", "img/Shapes.png", "img/Square.png",
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"img/Switch.png", "img/tablet.png", "img/tree.png",
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"img/VidImage.png", "img/WAP.png", "img/WBridge.png",
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"img/WRepeater.png", "img/WRouter.png", "img/X.png",
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"img/info.png", "img/menu.png"],
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InitializeGameMenu // this is called when all images have loaded.
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);
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var menuItemSize=50;
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function loadImages(names, files, onAllLoaded) {
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var i = 0, numLoading = names.length;
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const onload = () => --numLoading === 0 && onAllLoaded();
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const images = {};
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while (i < names.length) {
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const img = images[names[i]] = new Image;
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img.src = files[i++];
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img.onload = onload;
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}
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return images;
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}
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function imageFromName(name)
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{
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return imageCollection[name];
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}
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function InitializeGameMenu()
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{
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console.log("Initializing");
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MainCanvas.addEventListener("touchstart", handleTouchStart);
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MainCanvas.addEventListener("touchend", handleTouchEnd);
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MainCanvas.addEventListener("touchcancel", handleTouchCancel);
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MainCanvas.addEventListener("touchmove", handleTouchMove);
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MainCanvas.addEventListener('mousedown',handleMouseDown);
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MainCanvas.addEventListener('mouseup',handleMouseUp);
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MainCanvas.addEventListener('mousemove',handleMouseMove);
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//MainCanvas_ctx.drawImage(imageCollection['router'],100,100,50,50);
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//MainCanvas_ctx.drawImage(imageCollection['firewall'],150,150,50,50);
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InitializeSelectMenu();
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//It should be printed
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PrintScreen();
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}
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//Print the screen. Figure out what needs to be printed based on the mode
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function PrintScreen(WhatPassedIn=-1)
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{
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//allow us to override what is printed
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var what=uiMode;
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if(WhatPassedIn >=0) what=WhatPassedIn;
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console.log("PrintingScreen for mode: " + what);
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if(what == 0)
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{
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//The network drawing mode. Print the network
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//Clear the old screen
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MainCanvas_ctx.fillStyle = maincanvasBackground;
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MainCanvas_ctx.fillRect(0,0, MainCanvas.width, MainCanvas.height);
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//Draw the puzzle-select button
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//Put the X there so we can click on it
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MainCanvas_ctx.drawImage(imageFromName("menu"),MainCanvas.width - small_button_size,0,small_button_size,small_button_size);
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//Draw the info button
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MainCanvas_ctx.drawImage(imageFromName("info"),MainCanvas.width - small_button_size,small_button_size,small_button_size,small_button_size);
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drawSelectMenu();
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PrintAllNetworkLinks();
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PrintAllNetworkDevices();
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}
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else if(what == 1) //PuzzleDescription/Info
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{
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//Display the text about the puzzle
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textMenuPrint(puzzle.en_message);
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}
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else if(what == 2) //PuzzleSelect
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{
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//TextMenuSelection
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PrintPuzzleSelectMenu(0);
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}
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}
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function handleTouchStart(evt)
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{
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handleMouseDown(copyLocation(evt));
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}
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function handleTouchEnd(evt)
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{
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handleMouseUp(copyLocation(evt));
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}
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function handleTouchCancel(evt)
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{
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evt.preventDefault();
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console.log("canceling touch");
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}
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function handleTouchMove(evt)
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{
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//evt.preventDefault();
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if(evt.touches.length > 0)
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{
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handleMouseMove(copyLocation(evt.touches[0]));
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} else{
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//console.log("not enough touches");
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}
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//console.log("moving touch");
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}
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function handleMouseDown(evt)
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{
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mouseDownLocation = copyLocation(evt);
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mouseIsDown=true;
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//console.log("mousedown");
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if(uiMode==0) SelectMenu_handleMouseDown(mouseDownLocation);
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}
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function handleMouseUp(evt)
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{
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//evt.preventDefault();
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mouseIsDown=false;
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//See if we have a mouse click
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let deltaX = Math.abs(evt.pageX - mouseDownLocation.pageX);
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let deltaY = Math.abs(evt.pageY - mouseDownLocation.pageY);
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//console.log("delta " + deltaX + "," + deltaY);
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if(deltaY < 3 && deltaX <3)
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{
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//We did not move much. Assume click
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if(evt.pageX <= menuItemSize && !mouseDidMovement)
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{
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if(uiMode==0) SelectMenu_handleMouseUp(evt);
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//We are in the item select menu.
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}
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if(!mouseDidMovement)
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{ //If we are not dragging, it is a click
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if(uiMode==1) TextWindow_handleMouseUp(evt);
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else if(uiMode==2) TextWindow_handleMouseUp(evt);
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else if(uiMode==0 && evt.pageX >= MainCanvas.width - small_button_size)
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{
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console.log("clicked far enough x wise");
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//We may be clicking on one of the small buttons
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if(evt.pageY < small_button_size)
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{
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//We clicked on the puzzle-select menu
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console.log("PuzzleSelect pressed");
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uiMode=2;
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PrintScreen();
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} else if(evt.pageY < small_button_size *2)
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{
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console.log("Selected info button");
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//It is the info button
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uiMode=1;
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PrintScreen();
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}
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}
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}
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}
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mouseDidMovement=false; //reset it after we raise the button
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}
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function handleMouseMove(evt)
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{
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//evt.preventDefault();
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if(mouseIsDown)
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{
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let deltaX = evt.pageX - mouseDownLocation.pageX;
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let deltaY = evt.pageY - mouseDownLocation.pageY;
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if(isNaN(deltaY)) deltaY=0;
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if(isNaN(deltaX)) deltaX=0;
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//we are dragging
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//console.log('mousemove ' + evt.pageX + " " + evt.pageY + " delta " + deltaY );
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if(uiMode == 0)
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{
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SelectMenu_handleMouseMove(evt);
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}
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mouseDidMovement=true;
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}
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else //Mouse is not down. Not dragging
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{
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if(uiMode==2)
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{
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textMenu_HandleMouseMove(evt);
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}
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}
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}
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function copyLocation({ pageX, pageY }) {
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return { pageX, pageY };
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}
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function PrintNetworkLink(linkToPrint)
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{
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//We should have passed in a working link, make sure it exists
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if(linkToPrint !== null)
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{
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if(linkToPrint.SrcNic !== null && linkToPrint.DestNic !== null)
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{
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//console.log("printing link from " + linkToPrint.SrcNic.hostname);
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sdevice = deviceFromID(linkToPrint.SrcNic.hostid);
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ddevice = deviceFromID(linkToPrint.DstNic.hostid);
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if(sdevice !== null && ddevice !== null)
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{
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//We have an existing link with two devices. Find the device locations and print
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var spoint = convertXYPointToActual(newPointFromString(sdevice.location));
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var dpoint = convertXYPointToActual(newPointFromString(ddevice.location));
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//Now we draw a line between them
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MainCanvas_ctx.beginPath();
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MainCanvas_ctx.moveTo(spoint.x,spoint.y);
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MainCanvas_ctx.lineTo(dpoint.x,dpoint.y);
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MainCanvas_ctx.stroke();
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}
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}
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}
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}
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function PrintAllNetworkLinks()
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{
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if (puzzle == null) return; //If the puzzle has not been set, exit
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let index=0;
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if(puzzle.link !== null && typeof(puzzle.link) === "object")
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{
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while (index < puzzle.link.length) {
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PrintNetworkLink(puzzle.link[index]);
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index++;
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}
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}
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}
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function PrintNetworkDevice(ToPrint)
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{
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//We should have passed in a working link, make sure it exists
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if(ToPrint !== null)
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{
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var rect = deviceRectangle(ToPrint);
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var dname = ToPrint.mytype;
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if(dname=="net_switch") dname="switch";
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if(dname=="net_hub") dname="hub";
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//console.log("printing device " + dname);
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MainCanvas_ctx.drawImage(imageFromName(dname),rect.spoint.x,rect.spoint.y,rect.width,rect.height);
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}
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}
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function PrintAllNetworkDevices()
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{
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if (puzzle == null) return; //If the puzzle has not been set, exit
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let index=0;
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while (index < puzzle.device.length) {
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PrintNetworkDevice(puzzle.device[index]);
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index++;
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}
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}
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function convertXYPointToActual(point)
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{
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//We have an x and y coordinate which needs to be converted to the canvas size
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var deltax = (MainCanvas.width - menuItemSize) / puzzle.width;
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var deltay = MainCanvas.height / puzzle.height;
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return newPointFromPair((point.x * deltax) + menuItemSize, point.y * deltay);
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}
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function convertXYpairToActual(x,y)
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{
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return convertXYPointToActual(newPointFromPair(x,y));
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}
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function newPointFromPair(x,y)
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{
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var point = {
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'x' : Math.floor(x),
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'y' : Math.floor(y)
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}
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return point;
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}
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function newPointFromString(pointasstring)
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{
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if(typeof(pointasstring) == "string")
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{
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var tarray=pointasstring.split(",");
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return newPointFromPair(Number(tarray[0]),Number(tarray[1]));
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}
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}
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//return a rectangle for the device
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function deviceRectangle(theDevice)
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{
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var centerpoint = convertXYPointToActual(newPointFromString(theDevice.location));
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var delta = imageSize / 2;
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var rect = {
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spoint : newPointFromPair(centerpoint.x-delta, centerpoint.y-delta),
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height : imageSize,
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width : imageSize,
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epoint : newPointFromPair(centerpoint.x+delta, centerpoint.y+delta)
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}
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return rect;
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}
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