Populate stroke attributes

src/intelligence-exfiltrator.js

@@ -10,6 +10,7 @@ let disableSend = false
 const divulgedUpTo = new Map()
 const pointPresenceMap = new Map()
 const pathIDsByXCDPIdentifier = new Map()
+const attributesByXCDPIdentifier = new Map()
 
 const onRoomConnect = (room_) => {
   room = room_
@@ -70,7 +71,6 @@ const onRoomConnect = (room_) => {
   room.addEventListener(
     "removedIntervalsChange",
     ({ detail: { id, intervals } }) => {
-
       const points = room.getPathPoints(id)
       extendPointPresenceMapFor(id, points.length)
 
@@ -89,7 +89,17 @@ const onRoomConnect = (room_) => {
         return
       }
 
-      const initialPoint = [message.start[0], message.start[1], 5, "#000000"]
+      const r = parseColourComponent(message.colour[0])
+      const g = parseColourComponent(message.colour[1])
+      const b = parseColourComponent(message.colour[2])
+      const attributes = { weight: message.weight, colour: "#" + r + g + b }
+      const initialPoint = [
+        message.start[0],
+        message.start[1],
+        attributes.weight,
+        attributes.colour,
+      ]
+      attributesByXCDPIdentifier.set(message.identifier, attributes)
       disableSend = true
       pathIDsByXCDPIdentifier.set(
         message.identifier,
@@ -103,10 +113,11 @@ const onRoomConnect = (room_) => {
         return
       }
 
+      const attributes = attributesByXCDPIdentifier.get(message.identifier)
       disableSend = true
       for (const index in message.points) {
         const point = message.points[index]
-        const toAdd = [point[0], point[1], 5, "#000000"]
+        const toAdd = [point[0], point[1], attributes.weight, attributes.colour]
         room.extendPath(ourID, toAdd)
       }
       disableSend = false
@@ -118,7 +129,9 @@ const onRoomConnect = (room_) => {
 
       const offset = parseInt(message.start_offset)
       extendPointPresenceMapFor(ourID, offset)
-      room.extendErasureIntervals(ourID, offset, [[message.start_offset - offset, message.end_offset - offset]])
+      room.extendErasureIntervals(ourID, offset, [
+        [message.start_offset - offset, message.end_offset - offset],
+      ])
     }
   })
 }
@@ -145,13 +158,17 @@ const XCDPIdentifierFrom = (lineID) => {
   throw new Error("XCDP identifier unexpectedly not present")
 }
 
+function parseColourComponent(component) {
+  return component.toString(16).padStart(2, "0")
+}
+
 const deleteInterval = (lineID, offset, interval) => {
   const bLine = pointPresenceMap.get(lineID)
   if (!bLine[offset]) {
     return
   }
 
-/*  if (
+  /*  if (
     offset > 0 &&
     bLine[offset - 1] &&
     offset < bLine.length - 1 &&
@@ -176,11 +193,11 @@ const deleteInterval = (lineID, offset, interval) => {
       type: "DELETE",
       identifier: messageID,
       start_offset: offset + start,
-      end_offset: offset + end
+      end_offset: offset + end,
     }),
   )
 
-  if ((end - start) === 1) {
+  if (end - start === 1) {
     bLine[offset] = false
   }
 }