BrowserLogic/js/logicengine.js

303 lines
11 KiB
JavaScript

class LogicEngineSettings {
constructor() {
this.ActiveConnectionColor = "#aabbaa";
this.InactiveConnectionColor = "#bbaaaa";
this.LinkWidth = "2";
this.LinkDash = [];
this.LinkingConnectionColor = "#aabbbb";
this.LinkingWidth = "3";
this.LinkingDash = [2,2];
this.ShadowColor = "#222";
this.InputCircleSize = 10;
this.OutputCircleSize = 10;
this.ShowGrid = true;
this.SnapGrid = true;
this.GridSize = 20;
}
}
class LogicEngine {
Resize(evt) {
let leftmenu = document.getElementById("left-menu");
let topbar = document.getElementById("top-bar");
console.log(topbar);
console.log("Top bar height " + topbar.scrollHeight);
leftmenu.style.height = (window.innerHeight - (topbar.scrollHeight + 2)) + "px";
this.Canvas.width = window.innerWidth - 205;
this.Canvas.height = window.innerHeight - topbar.scrollHeight;
this.Mouse = false;
let gridPlane = document.getElementById("GridPlane");
gridPlane.style.top = topbar.scrollHeight + "px";
this.Canvas.style.top = topbar.scrollHeight + "px";
gridPlane.width = this.Canvas.width;
gridPlane.height = this.Canvas.height;
let Ctx = gridPlane.getContext("2d");
if (this.Settings.ShowGrid) {
Ctx.save();
let gridWidth = this.Settings.GridSize;
for (let x = gridWidth; x < (this.Canvas.width); x += gridWidth) {
Ctx.beginPath();
Ctx.moveTo(x, 0);
Ctx.lineTo(x, this.Canvas.height);
Ctx.strokeStyle = "#777";
Ctx.lineWidth = "1";
Ctx.stroke();
}
for (let y = gridWidth; y < (this.Canvas.height); y += gridWidth) {
Ctx.beginPath();
Ctx.moveTo(0, y);
Ctx.lineTo(this.Canvas.width, y);
Ctx.lineWidth = "1";
Ctx.strokeStyle = "#777";
Ctx.stroke();
}
Ctx.restore();
}
}
PropertyChange(property) {
if (!this.ActiveContainer.Selected.getProperty(property)) return false;
let propElement = document.getElementById("prop_" + property);
this.ActiveContainer.Selected.getProperty(property).Call(propElement.value);
}
Mouse_Down(evt) {
if (evt.which === 1) {
let mousePos = getMousePos(this.Canvas, evt);
this.MouseDownTime = performance.now();
let element = this.ActiveContainer.checkMouseBounds(mousePos);
if (element) {
this.MouseDown = true;
this.ActiveContainer.Select(element);
this.MovingElement = element;
this.MovingElementStartX = element.X;
this.MovingElementStartY = element.Y;
this.MovingElementMouseStartX = mousePos.x;
this.MovingElementMouseStartY = mousePos.y;
element.MouseDown(mousePos);
} else {
this.MouseDown = true;
this.ActiveLink = false;
if (this.ControlPressed) {
this.Panning.StartOffsetX = this.Panning.OffsetX;
this.Panning.StartOffsetY = this.Panning.OffsetY;
this.Panning.StartX = mousePos.x;
this.Panning.StartY = mousePos.y;
}
}
if (this.ActiveContainer.Selected) {
disableSelectedRCMs(false);
} else {
disableSelectedRCMs(true);
}
}
}
Mouse_Up(evt) {
let mousePos = getMousePos(this.Canvas, evt);
if (this.MovingElement) this.MovingElement.MouseUp(mousePos);
if (this.MovingElement && (this.MovingElement.X == this.MovingElementStartX) && (this.MovingElement.Y == this.MovingElementStartY)) {
if ((performance.now() - this.MouseDownTime) < 3000) {
// Presume this was a click
this.MovingElement.MouseClick(mousePos);
}
//console.log("Mouse Up");
}
if (!this.MovingElement && evt.which === 1) this.ActiveContainer.Selected = false;
this.MovingElement = false;
this.MouseDown = false;
if (this.ActiveContainer.Selected) {
disableSelectedRCMs(false);
} else {
disableSelectedRCMs(true);
}
}
Mouse_Move(evt) {
//this.Canvas.focus();
let mousePos = getMousePos(this.Canvas, evt);
this.Mouse = mousePos;
if(this.MouseDown) {
//console.log('Mouse at position: ' + mousePos.x + ',' + mousePos.y);
if (this.MovingElement) {
if ((performance.now() - this.MouseDownTime) > 100) {
let xOffset = mousePos.x - this.MovingElementMouseStartX;
let yOffset = mousePos.y - this.MovingElementMouseStartY;
let diffxOffset = this.MovingElementMouseStartX - this.MovingElementStartX;
let diffyOffset = this.MovingElementMouseStartY - this.MovingElementStartY;
let actualPosX = (this.MovingElementMouseStartX + xOffset) - diffxOffset;
let actualPosY = (this.MovingElementMouseStartY + yOffset) - diffyOffset;
if (!this.ControlPressed && this.Settings.SnapGrid) actualPosX = Math.round(actualPosX/this.Settings.GridSize)*this.Settings.GridSize;
if (!this.ControlPressed && this.Settings.SnapGrid) actualPosY = Math.round(actualPosY/this.Settings.GridSize)*this.Settings.GridSize;
this.MovingElement.X = actualPosX;
this.MovingElement.Y = actualPosY;
}
} else {
if (this.ControlPressed) {
let distX = mousePos.x - this.Panning.StartX;
let distY = mousePos.y - this.Panning.StartY;
this.Panning.StartX += distX;
this.Panning.StartY += distY;
this.Panning.OffsetX += distX;
this.Panning.OffsetY += distY;
this.Ctx.translate(distX, distY);
}
}
} else {
this.ActiveContainer.checkMouseBounds(mousePos);
}
}
Key_Up(evt) {
if (!evt.ctrlKey) {
this.ControlPressed = false;
}
}
Key_Press(evt) {
if (evt.ctrlKey) {
this.ControlPressed = true;
}
if (evt.key == "Escape") {
if (this.MovingElement && this.MouseDown) {
this.MovingElement.X = this.MovingElementStartX;
this.MovingElement.Y = this.MovingElementStartY;
this.MovingElement = false;
}
}
if (evt.key == "Delete") {
if (this.ActiveContainer.Selected) {
this.ActiveContainer.DeleteElement(this.ActiveContainer.Selected);
this.ActiveContainer.Selected = false;
}
}
}
constructor(canvas) {
this.Canvas = canvas;
this.Ctx = canvas.getContext("2d");
this.Settings = new LogicEngineSettings;
this.FPSCounter = 0;
this.FPS = 0;
this.PotentialFPS = 0;
this.PotentialFPSAVGs = new Array(20);
this.PotentialFPSAVGLoc = 0;
this.LastFPSCheck = performance.now();
this.MouseDown = false;
this.MouseDownTime = 0;
this.MovingElementContainer = false;
this.MovingElement = false;
this.MovingElementStartX = 0;
this.MovingElementStartY = 0;
this.MovingElementMouseStartX = 0;
this.MovingElementMouseStartY = 0;
this.ActiveContainer = new elementContainer();
this.ActiveLink = false;
this.Scheduler = new ScheduleEngine();
this.RecursionCount = 0;
this.RecursionError = false;
this.Canvas.setAttribute('tabindex','0');
this.ControlPressed = false;
this.Panning = {OffsetX: 0, OffsetY: 0,StartOffsetX: 0, StartOffsetY: 0, StartX: 0, StartY: 0};
}
Link(input = 0) {
if (this.ActiveLink) {
if (this.ActiveContainer.Selected && (this.ActiveContainer.Selected != this.ActiveLink)) {
this.ActiveLink.addConnection(this.ActiveContainer,this.ActiveContainer.Selected,input,this.ActiveLink.OutputLink.Output);
this.ActiveLink = false;
} else {
this.ActiveLink = false;
}
} else {
if (this.ActiveContainer.Selected) {
this.ActiveLink = this.ActiveContainer.Selected;
}
}
}
getCanvasMousePos(mousePos) {
return {x: mousePos.x - this.Panning.OffsetX, y: mousePos.y - this.Panning.OffsetY};
}
DrawLoop() {
if (this.RecursionError) {
this.RecursionError = false;
alert("Recursion Error! Whatever you last did is causing an oscillating loop, please check your connections and try again!");
}
let startLoop = performance.now();
this.Ctx.clearRect(0- this.Panning.OffsetX,0- this.Panning.OffsetY,this.Canvas.width,this.Canvas.height);
this.ActiveContainer.DrawAll(this.Ctx,this.Settings);
let tfm_CreateIC = document.getElementById("tfm_CreateIC");
let rcm_CreateIC = document.getElementById("rcm_CreateIC");
tfm_CreateIC.classList.add("disabled");
rcm_CreateIC.classList.add("disabled");
if (this.ActiveContainer.ICOutputs > 0) tfm_CreateIC.classList.remove("disabled");
if (this.ActiveContainer.ICOutputs > 0) rcm_CreateIC.classList.remove("disabled");
if (this.ActiveLink) {
let startX = this.ActiveLink.LinkOutLocation().x;
let startY = this.ActiveLink.LinkOutLocation().y;
let endX = this.Mouse.x - this.Panning.OffsetX;
let endY = this.Mouse.y - this.Panning.OffsetY;
let startMidX = startX + ((endX - startX)/2);
let startMidY = startY;
let midX = startMidX;
let midY = startY + ((endY - startY)/2);
let endMidX = startMidX;
let endMidY = endY;
this.Ctx.save();
this.Ctx.strokeStyle = this.Settings.LinkingConnectionColor;
this.Ctx.lineWidth = this.Settings.LinkingWidth;
this.Ctx.setLineDash(this.Settings.LinkingDash);
this.Ctx.beginPath();
this.Ctx.moveTo(startX, startY);
this.Ctx.quadraticCurveTo(startMidX,startMidY,midX,midY);
this.Ctx.quadraticCurveTo(endMidX,endMidY,endX,endY);
this.Ctx.stroke();
this.Ctx.restore();
}
let ct = new CanvasTools();
let FPSOffset = (this.Canvas.width - 150) - this.Panning.OffsetX;
ct.drawText(this.Ctx,FPSOffset,650- this.Panning.OffsetY,"FPS: " + this.FPS,"12px console", "#00ff00");
ct.drawText(this.Ctx,FPSOffset,670- this.Panning.OffsetY,"Potential FPS: " + this.PotentialFPS,"12px console", "#00ff00");
let timeCheck = performance.now();
this.FPSCounter++;
if (!(Math.round(timeCheck - this.LastFPSCheck) % 50)) {
let frameTimeUS = (performance.now() - startLoop) * 1000;
let potentialFPS = 1000000 / frameTimeUS;
this.PotentialFPSAVGs[this.PotentialFPSAVGLoc] = Math.round(potentialFPS);
this.PotentialFPSAVGLoc++;
if (this.PotentialFPSAVGLoc == this.PotentialFPSAVGs.length) this.PotentialFPSAVGLoc = 0;
this.PotentialFPS = averageArray(this.PotentialFPSAVGs);
}
if ((timeCheck - this.LastFPSCheck) >= 1000) {
this.FPS = this.FPSCounter;
this.FPSCounter = 0;
this.LastFPSCheck = performance.now();
//console.log("Frame Time: " + frameTimeUS + "uS" + ", Potential FPS: " + potentialFPS);
//console.log("FPS: " + FPS);
}
requestAnimationFrame(this.DrawLoop.bind(this));
}
StartEngine() {
this.Resize("");
this.DrawLoop();
}
}