#define LIQUID() (game.prop[BOTTLE] == WATER_BOTTLE? WATER : game.prop[BOTTLE] == OIL_BOTTLE ? OIL : NO_OBJECT )
#define LIQLOC(LOC) (CNDBIT((LOC),COND_FLUID)? CNDBIT((LOC),COND_OILY) ? OIL : WATER : NO_OBJECT)
#define FORCED(LOC) CNDBIT(LOC, COND_FORCED)
#define LIQUID() (game.prop[BOTTLE] == WATER_BOTTLE? WATER : game.prop[BOTTLE] == OIL_BOTTLE ? OIL : NO_OBJECT )
#define LIQLOC(LOC) (CNDBIT((LOC),COND_FLUID)? CNDBIT((LOC),COND_OILY) ? OIL : WATER : NO_OBJECT)
#define FORCED(LOC) CNDBIT(LOC, COND_FORCED)