feat: initialize sunrise with 100-player shared rooms

tests/harbour.test.ts

@@ -0,0 +1,27 @@
+import {test} from 'node:test';
+import assert from 'node:assert/strict';
+import {Raycaster,Vector3} from 'three';
+import {createHarbour,insideHarbour,isGisamun} from '../src/scene/harbour.ts';
+import {GISAMUN_HARBOUR as PORT} from '../src/constants/harbour.ts';
+import {GISAMUN} from '../src/constants/gisamun.ts';
+
+test('Gisamun harbour keeps its basin and entrance open with solid raised quays',()=>{
+  const port=createHarbour(.1375735);
+  port.group.updateMatrixWorld(true);
+  for(const [x,z] of [[-80,-250],[70,-155],[140,-150]]) {
+    assert.equal(insideHarbour(PORT.land,x,z),false,'water must not become pavement');
+    assert.equal(new Raycaster(new Vector3(x,100,z),new Vector3(0,-1,0)).intersectObject(port.group,true).length,0);
+  }
+  assert.equal(insideHarbour(PORT.basin,-80,-250),true);
+  assert.equal(insideHarbour(PORT.basin,140,-150),false);
+  for(const [x,z] of [[-150,-280],[20,-155],[100,-165],[-25,-350]]) {
+    const y=port.heightAt(x,z);
+    assert.ok(y!==undefined && y>2.8);
+    const hit=new Raycaster(new Vector3(x,100,z),new Vector3(0,-1,0)).intersectObject(port.group,true)[0];
+    assert.ok(hit,'quay roof must face upward');
+    assert.ok(Math.abs(hit.point.y-y)<.01,'walking height matches the roof');
+  }
+  assert.equal(isGisamun(GISAMUN),true);
+  assert.equal(isGisamun({latitude:38.0231,longitude:128.7254}),false);
+  port.dispose();
+});