fix: check start==end coord before collision for los

blurite/pathfinder@f81f6b5

Example: Casting telegrab on the same square when the tile is blocked
i.e. player/obj are inside a diagonal door

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@2004scape/rsmod-pathfinder",
-  "version": "5.0.0",
+  "version": "5.0.1",
   "description": "A breadth-first search path finder.",
   "main": "dist/rsmod-pathfinder.js",
   "types": "dist/rsmod-pathfinder.d.ts",

src/rsmod/LinePathFinder.ts

@@ -104,17 +104,17 @@ export default class LinePathFinder {
         const startX: i32 = Line.coordinate(srcX, destX, srcWidth);
         const startZ: i32 = Line.coordinate(srcZ, destZ, srcHeight);
 
-        if (los && this.flags.isFlagged(startX, startZ, level, flagLoc)) {
-            return LinePathFinder.EMPTY;
-        }
-
         const endX: i32 = Line.coordinate(destX, srcX, destWidth);
         const endZ: i32 = Line.coordinate(destZ, srcZ, destHeight);
 
         if (startX == endX && startZ == endZ) {
             return LinePathFinder.EMPTY;
         }
 
+        if (los && this.flags.isFlagged(startX, startZ, level, flagLoc)) {
+            return LinePathFinder.EMPTY;
+        }
+
         const deltaX: i32 = endX - startX;
         const deltaZ: i32 = endZ - startZ;
         const absoluteDeltaX: i32 = <i32>Math.abs(deltaX);

src/rsmod/LineValidator.ts

@@ -101,17 +101,17 @@ export default class LineValidator {
         const startX: i32 = Line.coordinate(srcX, destX, srcWidth);
         const startZ: i32 = Line.coordinate(srcZ, destZ, srcHeight);
 
-        if (los && this.flags.isFlagged(startX, startZ, level, flagLoc)) {
-            return false;
-        }
-
         const endX: i32 = Line.coordinate(destX, srcX, destWidth);
         const endZ: i32 = Line.coordinate(destZ, srcZ, destHeight);
 
         if (startX == endX && startZ == endZ) {
             return true;
         }
 
+        if (los && this.flags.isFlagged(startX, startZ, level, flagLoc)) {
+            return false;
+        }
+
         const deltaX: i32 = endX - startX;
         const deltaZ: i32 = endZ - startZ;
         const absoluteDeltaX: i32 = <i32>Math.abs(deltaX);