pre cw with probe and a bunch script to read game behavior

internal/gameserver/scene_entrance_anchor.go

@@ -0,0 +1,22 @@
+package gameserver
+
+import "gac-hkrpg-go/internal/common"
+
+// An entrance identifies a particular room even when several rooms share a
+// floor. Its start anchor must take precedence over that floor's checkpoints.
+func sceneEntranceAnchor(res *common.JsonConfig, entryID, floorID uint32) (common.AnchorItem, bool) {
+	entrance, exists := res.MapEntrances[entryID]
+	if !exists || entrance.FloorID != floorID {
+		return common.AnchorItem{}, false
+	}
+	if entrance.StartAnchorID == 0 {
+		anchor, exists := res.SceneDefaultAnchors[floorID]
+		return anchor, exists && anchor.ID != 0
+	}
+	for _, anchor := range res.SceneAnchors[entryID] {
+		if anchor.ID == entrance.StartAnchorID {
+			return anchor, true
+		}
+	}
+	return common.AnchorItem{}, false
+}