542 lines
16 KiB
JavaScript
542 lines
16 KiB
JavaScript
// Colors
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const localColor = "#109856"
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const teamColor = "#68a3e5"
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const enemyColor = "#ec040b"
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const bombColor = "#eda338"
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const textColor = "#d1d1d1"
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// Settings
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shouldZoom = true
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drawStats = false
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// Common
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canvas = null
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ctx = null
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// radarflow specific
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radarData = null
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freq = 0
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image = null
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map = null
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mapName = null
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loaded = false
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entityData = null
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update = false
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/// Radarflow zoom in
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zoomSet = false
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safetyBound = 50
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boundingRect = null
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// networking
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websocket = null
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if (location.protocol == 'https:') {
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websocketAddr = `wss://${window.location.host}/ws`
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} else {
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websocketAddr = `ws://${window.location.host}/ws`
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}
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//websocketAddr = "ws://192.168.0.235:8000/ws"
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// Util functions
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const clamp = (num, min, max) => Math.min(Math.max(num, min), max);
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const degreesToRadians = (degrees) => degrees * (Math.PI/180);
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function makeBoundingRect(x1, y1, x2, y2, aspectRatio) {
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const topLeftX = x1;
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const topLeftY = y1;
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const bottomRightX = x2;
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const bottomRightY = y2;
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const width = bottomRightX - topLeftX;
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const height = bottomRightY - topLeftY;
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let newWidth, newHeight;
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if (width / height > aspectRatio) {
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// Wider rectangle
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newHeight = width / aspectRatio;
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newWidth = width;
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} else {
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// Taller rectangle
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newWidth = height * aspectRatio;
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newHeight = height;
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}
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const centerX = (topLeftX + bottomRightX) / 2;
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const centerY = (topLeftY + bottomRightY) / 2;
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const rectMinX = centerX - newWidth / 2;
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const rectMaxX = centerX + newWidth / 2;
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const rectMinY = centerY - newHeight / 2;
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const rectMaxY = centerY + newHeight / 2;
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const boundingRectangle = {
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x: rectMinX,
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y: rectMinY,
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width: rectMaxX - rectMinX,
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height: rectMaxY - rectMinY,
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}
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const boundingRectangle2 = {
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x: 0,
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y: 0,
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width: image.width / 1.2,
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height: image.width / 1.2,
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}
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return boundingRectangle;
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}
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function boundingCoordinates(coordinates, boundingRect) {
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const xScale = boundingRect.width / image.width;
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const yScale = boundingRect.height / image.height;
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const newX = (coordinates.x - boundingRect.x) / xScale;
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const newY = (coordinates.y - boundingRect.y) / yScale;
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return {x: newX, y: newY};
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}
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function boundingScale(value, boundingRect) {
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const scale = image.width / boundingRect.width;
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return value * scale
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}
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function mapCoordinates(coordinates) {
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let offset_x = coordinates.x - map.pos_x;
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let offset_y = coordinates.y - map.pos_y;
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offset_x /= map.scale;
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offset_y /= -map.scale;
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return {x: offset_x, y: offset_y}
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}
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function render() {
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if (update) {
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fillCanvas()
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if (loaded) {
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update = false
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// Iterate through the array and update the min/max values
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if (entityData != null && map != null && image != null && shouldZoom) {
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let minX = Infinity
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let minY = Infinity
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let maxX = -Infinity
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let maxY = -Infinity
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entityData.forEach((data) => {
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let mapCords = null
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if (data.Bomb !== undefined) {
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mapCords = mapCoordinates(data.Bomb.pos)
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} else {
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mapCords = mapCoordinates(data.Player.pos)
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}
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minX = Math.min(minX, mapCords.x);
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minY = Math.min(minY, mapCords.y);
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maxX = Math.max(maxX, mapCords.x);
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maxY = Math.max(maxY, mapCords.y);
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});
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boundingRect = makeBoundingRect(minX-safetyBound, minY-safetyBound, maxX+safetyBound, maxY+safetyBound, image.width/image.height)
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zoomSet = true
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} else if (zoomSet) {
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zoomSet = false
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}
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drawImage()
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if (entityData != null) {
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entityData.forEach((data) => {
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if (data.Bomb !== undefined) {
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drawBomb(data.Bomb.pos, data.Bomb.isPlanted)
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} else {
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let fillStyle = localColor
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switch (data.Player.playerType) {
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case "Team":
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fillStyle = teamColor
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break;
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case "Enemy":
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fillStyle = enemyColor
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break;
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}
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drawEntity(
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data.Player.pos,
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fillStyle,
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data.Player.isDormant,
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data.Player.hasBomb,
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data.Player.yaw,
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data.Player.hasAwp,
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data.Player.playerType,
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data.Player.isScoped
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)
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}
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});
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}
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if (radarData != null) {
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if (radarData.bombPlanted && !radarData.bombExploded && radarData.bombDefuseTimeleft >= 0) {
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let maxWidth = 1024-128-128;
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let timeleft = radarData.bombDefuseTimeleft;
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// Base bar
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ctx.fillStyle = "black"
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ctx.fillRect(128, 16, maxWidth, 16)
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// Bomb timer
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if (radarData.bombBeingDefused) {
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if (radarData.bombCanDefuse) {
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ctx.fillStyle = teamColor
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} else {
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ctx.fillStyle = enemyColor
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}
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} else {
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ctx.fillStyle = bombColor
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}
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ctx.fillRect(130, 18, (maxWidth-2) * (timeleft / 40), 12)
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ctx.font = "24px Arial";
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ctx.textAlign = "center"
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ctx.textBaseline = "middle"
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ctx.fillStyle = textColor
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ctx.fillText(`${timeleft.toFixed(1)}s`, 1024/2, 28+24);
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// Defuse time lines
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ctx.strokeStyle = "black"
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ctx.lineWidth = 2
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// Kit defuse
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ctx.beginPath()
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ctx.moveTo(128 + (maxWidth * (5 / 40)), 16)
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ctx.lineTo(128 + (maxWidth * (5 / 40)), 32)
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ctx.stroke()
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// Normal defuse
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ctx.beginPath()
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ctx.moveTo(130 + (maxWidth-2) * (10 / 40), 16)
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ctx.lineTo(130 + (maxWidth-2) * (10 / 40), 32)
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ctx.stroke()
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// Defuse stamp line
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if (radarData.bombCanDefuse) {
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console.log(radarData.bombDefuseEnd)
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ctx.strokeStyle = "green"
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ctx.beginPath()
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ctx.moveTo(130 + (maxWidth-2) * (radarData.bombDefuseEnd / 40), 16)
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ctx.lineTo(130 + (maxWidth-2) * (radarData.bombDefuseEnd / 40), 32)
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ctx.stroke()
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}
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}
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}
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} else {
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if (websocket != null) {
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ctx.font = "100px Arial";
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ctx.textAlign = "center"
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ctx.textBaseline = "middle"
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ctx.fillStyle = textColor
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ctx.fillText("Not on a server", 1024/2, 1024/2);
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} else {
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ctx.font = "100px Arial";
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ctx.textAlign = "center"
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ctx.fillStyle = textColor
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ctx.fillText("Disconnected", 1024/2, 1024/2);
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}
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}
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if (drawStats) {
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ctx.font = "16px Arial";
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ctx.textAlign = "left"
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ctx.fillStyle = textColor
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ctx.lineWidth = 2;
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ctx.strokeStyle = "black"
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ctx.strokeText(`${freq} Hz`, 2, 18)
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ctx.fillText(`${freq} Hz`, 2, 18)
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}
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}
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if (websocket != null) {
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websocket.send("requestInfo");
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}
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}
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function fillCanvas() {
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ctx.fillStyle = "#0f0f0f";
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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}
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function drawImage() {
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if (image == null || canvas == null)
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return
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if (zoomSet != false && boundingRect.x != null) {
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ctx.drawImage(image, boundingRect.x, boundingRect.y, boundingRect.width, boundingRect.height, 0, 0, canvas.width, canvas.height)
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} else {
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ctx.drawImage(image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height)
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}
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}
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function drawBomb(pos, planted) {
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if (map == null)
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return
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if (zoomSet) {
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pos = boundingCoordinates(mapCoordinates(pos), boundingRect)
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size = boundingScale(5, boundingRect);
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} else {
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pos = mapCoordinates(pos)
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size = 5
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}
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ctx.beginPath();
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ctx.arc(pos.x, pos.y, size, 0, 2 * Math.PI);
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ctx.fillStyle = bombColor;
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ctx.fill();
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ctx.closePath();
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if (planted && ((new Date().getTime() / 1000) % 1) > 0.5) {
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ctx.strokeStyle = enemyColor
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ctx.lineWidth = 1;
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ctx.stroke()
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}
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}
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function drawEntity(pos, fillStyle, dormant, hasBomb, yaw, hasAwp, playerType, isScoped) {
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if (map == null)
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return
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if (zoomSet) {
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pos = boundingCoordinates(mapCoordinates(pos), boundingRect)
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circleRadius = boundingScale(7, boundingRect);
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distance = circleRadius + boundingScale(2, boundingRect);
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radius = distance + boundingScale(2, boundingRect)
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arrowWidth = 35
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} else {
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pos = mapCoordinates(pos)
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circleRadius = 7
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distance = circleRadius + 2
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radius = distance + 5;
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arrowWidth = 35;
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}
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if (dormant) {
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ctx.font = "20px Arial";
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ctx.textAlign = "center"
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ctx.fillStyle = fillStyle
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ctx.fillText("?", pos.x, pos.y);
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} else {
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if (hasAwp) {
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ctx.beginPath();
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ctx.arc(pos.x, pos.y, circleRadius, 0, 2 * Math.PI);
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ctx.fillStyle = "orange";
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ctx.fill();
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circleRadius -= 2;
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}
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// Draw circle
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ctx.beginPath();
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ctx.arc(pos.x, pos.y, circleRadius, 0, 2 * Math.PI);
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ctx.fillStyle = fillStyle;
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ctx.fill();
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if (hasAwp && false) {
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let style = "yellow"
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if (playerType == "Enemy") {
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style = "orange"
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}
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ctx.beginPath();
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ctx.arc(pos.x, pos.y, circleRadius / 1.5, 0, 2 * Math.PI);
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ctx.fillStyle = style;
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ctx.fill();
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}
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if (hasBomb) {
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ctx.beginPath();
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ctx.arc(pos.x, pos.y, circleRadius / 2, 0, 2 * Math.PI);
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ctx.fillStyle = bombColor;
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ctx.fill();
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}
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ctx.closePath();
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// Calculate arrowhead points
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const arrowHeadX = pos.x + radius * Math.cos(yaw * (Math.PI / 180))
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const arrowHeadY = pos.y - radius * Math.sin(yaw * (Math.PI / 180))
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const arrowCornerX1 = pos.x + distance * Math.cos((yaw - arrowWidth) * (Math.PI / 180))
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const arrowCornerY1 = pos.y - distance * Math.sin((yaw - arrowWidth) * (Math.PI / 180))
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const arrowCornerX2 = pos.x + distance * Math.cos((yaw + arrowWidth) * (Math.PI / 180))
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const arrowCornerY2 = pos.y - distance * Math.sin((yaw + arrowWidth) * (Math.PI / 180))
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const cicleYaw = 90-yaw
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const startAngle = degreesToRadians(cicleYaw-arrowWidth)-Math.PI/2
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const endAngle = degreesToRadians(cicleYaw+arrowWidth)-Math.PI/2
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// Draw arrow
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/// Backside of the arrow
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ctx.beginPath();
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ctx.arc(pos.x, pos.y, distance, startAngle, endAngle)
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/// Draw from corners to arrowhead
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ctx.lineTo(arrowCornerX1, arrowCornerY1);
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ctx.lineTo(arrowHeadX, arrowHeadY);
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ctx.lineTo(arrowCornerX2, arrowCornerY2);
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ctx.closePath()
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ctx.fillStyle = 'white'
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ctx.fill();
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if (isScoped) {
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const lineOfSightX = arrowHeadX + 1024 * Math.cos(yaw * (Math.PI / 180))
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const lineOfSightY = arrowHeadY - 1024 * Math.sin(yaw * (Math.PI / 180))
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ctx.beginPath();
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ctx.moveTo(arrowHeadX, arrowHeadY);
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ctx.lineTo(lineOfSightX, lineOfSightY);
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if (playerType == "Enemy")
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ctx.strokeStyle = enemyColor
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else
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ctx.strokeStyle = teamColor
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ctx.strokeWidth = 1;
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ctx.stroke();
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}
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}
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}
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function loadMap(mapName) {
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console.log(`[radarflow] loading map ${mapName}`)
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loaded = true;
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const map_img = new Image();
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map_img.src = `assets/image/${mapName}_radar_psd.png`;
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fetch(`assets/json/${mapName}.json`)
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.then(response => response.json())
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.then(data => {
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map = data;
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})
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.catch(error => {
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console.error('Error loading JSON file:', error);
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});
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map_img.onload = () => {
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image = map_img;
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update = true;
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};
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}
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function unloadMap() {
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console.log("[radarflow] unloading map")
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ctx.clearRect(0, 0, canvas.width, canvas.height)
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map = null
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mapName = null
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loaded = false,
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update = true
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requestAnimationFrame(render);
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}
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function connect() {
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if (websocket == null) {
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let socket = new WebSocket(websocketAddr)
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socket.onopen = () => {
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console.log("[radarflow] Connection established")
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websocket.send("requestInfo");
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};
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socket.onmessage = (event) => {
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if (event.data == "error") {
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console.log("[radarflow] Server had an unknown error")
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} else {
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let data = JSON.parse(event.data);
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radarData = data;
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freq = data.freq;
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if (data.ingame == false) {
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mapName = null
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entityData = null
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if (loaded)
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unloadMap()
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} else {
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if (!loaded) {
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mapName = data.mapName
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entityData = data.entityData
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loadMap(mapName)
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} else {
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entityData = data.entityData
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}
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}
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update = true
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requestAnimationFrame(render);
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}
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};
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socket.onclose = (event) => {
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if (event.wasClean) {
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console.log("[radarflow] connection closed");
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} else {
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console.log("[radarflow] connection died");
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}
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playerData = null
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websocket = null
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unloadMap()
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setTimeout(function() {
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connect();
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}, 1000);
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};
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socket.onerror = (error) => {
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console.log(`[radarflow] websocket error: ${error}`);
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};
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websocket = socket;
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} else {
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setTimeout(() => {
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connect();
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}, 1000);
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}
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}
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addEventListener("DOMContentLoaded", (e) => {
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document.getElementById("zoomCheck").checked = true;
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canvas = document.getElementById('canvas');
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canvas.width = 1024;
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canvas.height = 1024;
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canvasAspectRatio = canvas.width / canvas.height
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ctx = canvas.getContext('2d');
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console.log(`[radarflow] connecting to ${websocketAddr}`)
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connect()
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});
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function toggleZoom() {
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shouldZoom = !shouldZoom
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}
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function toggleStats() {
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drawStats = !drawStats
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} |