c2 physics: check floorvalue before checking floorpoints (also make physics function at (0,0) again)
c2 physics: check floorvalue before checking floorpoints (also make physics function at (0,0) again)

crystalline/openc2e,crystalline/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,crystalline/openc2e,ccdevnet/openc2e,bdonlan/openc2e,bdonlan/openc2e,ccdevnet/openc2e,bdonlan/openc2e,ccdevnet/openc2e,crystalline/openc2e,crystalline/openc2e,bdonlan/openc2e,ccdevnet/openc2e