rpg/schema/builtin/rpg_battle = 地图上的战斗
rpg/schema/builtin/rpg_battle_desc = 敌人以逗号分隔；获胜时设置胜利标记
rpg/schema/field/enemies = 敌人
rpg/schema/field/win_flag = 胜利标记
rpg/schema/builtin/rpg_teleport = 地图传送
rpg/schema/builtin/rpg_teleport_desc = 格子和朝向；地图可选
rpg/schema/field/map = 地图
rpg/schema/field/x = X
rpg/schema/field/y = Y
rpg/schema/field/dir = 朝向

rpg/schema/field/visual_groups=图像组
rpg/schema/field/visual_groups_desc=完整物体的图块模板、锚点和平面。