542 lines
16 KiB
JavaScript

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