Dialogues, trading: Add lock and unlock upon starting/finishing an interaction. Updated README with progress. Pathfinding: Fix slight bug that avoid a map being generated if the difference of start and end positions' z coordinate is zero.
Dialogues, trading: Add lock and unlock upon starting/finishing an interaction. Updated README with progress. Pathfinding: Fix slight bug that avoid a map being generated if the difference of start and end positions' z coordinate is zero.