Docs: Difference between revisions

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@@ Line 306: / Line 306: @@
 	return data;
 }
+</syntaxhighlight>
+|-
+|images,
+keysPressed,
+imgPatterns
+|Empty, unused objects.
+|
+|<syntaxhighlight lang="javascript" line="1" start="68">
+var images = {};
+var keysPressed = {};
+</syntaxhighlight>
+|-
+|previousErase
+|An integer of the last date the erase function was utilised.
+|<syntaxhighlight lang="javascript">
+//Logs the previous erase time in a human-readable way.
+function readPreviousErase() {
+  if (previousErase == 0) {
+    return
+  }
+  const date = new Date(previousErase);
+  const options = {
+    year: 'numeric',
+    month: 'long',
+    day: 'numeric',
+    hour: '2-digit',
+    minute: '2-digit',
+    second: '2-digit',
+    timeZoneName: 'short'
+  };
+  console.log("last Erased at:", date.toLocaleString(undefined, options));
+}
+</syntaxhighlight>
+|<syntaxhighlight lang="javascript" line="1" start="2608">
+function event_input(e) {
+	if(e.inputType == "deleteContentBackward") {
+		if(getDate() - previousErase > 25 || !previousErase) {
+			moveCursor("left", true);
+			writeChar("\x08", true, null, false, 1);
+		}
+		previousErase = getDate();
+	}
+}
+</syntaxhighlight>
+|-
+|verticalEnterPos
+|A 2D array coordinate of the position to go when pressing enter.
+|<syntaxhighlight lang="javascript">
+//Stair-step the return position on "enter"
+textInput.addEventListener("input", function(e) {
+  if (e.inputType === "insertLineBreak") {
+    const [X, x] = verticalEnterPos;
+    verticalEnterPos = [X, (x + 1) % 16]
+  }
+})
+</syntaxhighlight>
+|<syntaxhighlight lang="javascript" line="1" start="2352">
+		if(noVertPos) {
+			coords.tileX = 0;
+			coords.charX = 0;
+		} else {
+			coords.tileX = verticalEnterPos[0];
+			coords.charX = verticalEnterPos[1];
+		}
+</syntaxhighlight>
+|-
+|textColorOverride
+|public-member-owner bitfield used to modify the text color in fields.
+|
+|<syntaxhighlight lang="javascript" line="1" start="1477">
+	if(styles.public_text != "#000" && styles.public_text != "#000000") {
+		textColorOverride |= public;
+	} else {
+		textColorOverride &= textColorOverride ^ public;
+	}
+</syntaxhighlight>
+|-
+|writeBuffer
+|An object holding data waiting to be rendered to the canvas.
+|<syntaxhighlight lang="javascript">
+//Writes the character "█" at the cursorCoords location
+const [tileX, tileY, charX, charY] = cursorCoords;
+const editArray = [tileY, tileX, charY, charX, getDate(), "█", nextObjId++]
+writeBuffer.push(editArray);
+</syntaxhighlight>
+|<syntaxhighlight lang="javascript" line="1" start="2179">
+	tellEdit.push(editArray); // track local changes
+	writeBuffer.push(editArray); // send edits to server
+	nextObjId++;
+</syntaxhighlight>
+|-
+|highlightFlash
+|An object containing cell coordinates of cells to be highlighted.
+|<syntaxhighlight lang="javascript">
+//Flashes a random color on all visible cells
+function flashRandom() {
+  const visibleTiles = getVisibleTiles();
+  const color = [Math.floor(Math.random() * 256), Math.floor(Math.random() * 256), Math.floor(Math.random() * 256)];
+  const positions = [];
+  // Generate the positions array
+  for (const [tileX, tileY] of visibleTiles) {
+    for (let charY = 0; charY < 8; charY++) {
+      for (let charX = 0; charX < 16; charX++) {
+        positions.push([tileX, tileY, charX, charY]);
+      }
+    }
+  }
+  // Update highlightFlash based on positions
+  for (const [tileX, tileY, charX, charY] of positions) {
+    const tileKey = `${tileY},${tileX}`;
+    highlightFlash[tileKey] ??= {};
+    highlightFlash[tileKey][charY] ??= {};
+    if (!highlightFlash[tileKey][charY][charX]) {
+      highlightFlash[tileKey][charY][charX] = [getDate(), color, [...color]];
+      highlightCount++;
+    }
+  }
+}
+</syntaxhighlight>
+|<syntaxhighlight lang="javascript" line="1" start="3988">
+		if(!highlightFlash[tileY + "," + tileX]) {
+			highlightFlash[tileY + "," + tileX] = {};
+		}
+</syntaxhighlight>
+|-
+|highlightCount
+|An iterator used to limit the amount of highlights rendered to the canvas.
+|<syntaxhighlight lang="javascript">
+//Prevents the user from seeing highlights
+highlightCount = Infinity;
+</syntaxhighlight>
+|<syntaxhighlight lang="javascript" line="1" start="3987">
+		if(highlightCount > highlightLimit && !unlimited) return;
+</syntaxhighlight>
+|-
+|coloredChars
+|An object holding all of the highlighted characters.
+|
+|<syntaxhighlight lang="javascript" line="1" start="4071">
+	var container = coloredChars[tileY + "," + tileX];
+	if(!container) {
+		container = {};
+		coloredChars[tileY + "," + tileX] = container;
+	}
+</syntaxhighlight>
+|-
+|shiftOptState
+|An object used to store the viewport values
+|
+|<syntaxhighlight lang="javascript" line="1" start="79">
+var shiftOptState = { prevX: 0, prevY: 0, x1: 0, y1: 0, x2: 0, y2: 0, prevZoom: -1 };
 </syntaxhighlight>
 |}