note description: "[ p_floor.c Floor animation: raising stairs. ]" license: "[ Copyright (C) 1993-1996 by id Software, Inc. Copyright (C) 2005-2014 Simon Howard Copyright (C) 2021 Ilgiz Mustafin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. ]" class P_FLOOR create make feature i_main: I_MAIN make (a_i_main: like i_main) do i_main := a_i_main end feature ev_buildstairs (line: LINE_T; type: INTEGER_32): BOOLEAN -- BUILD A STAIRCASE! do {NOT_IMPLEMENTED}.not_implemented ("EV_BuildStairs", True) ensure instance_free: class end ev_dofloor (line: LINE_T; type: INTEGER_32): BOOLEAN -- HANDLE FLOOR TYPES do {NOT_IMPLEMENTED}.not_implemented ("EV_DoFloor", True) ensure instance_free: class end t_moveplane (sector: SECTOR_T; speed, dest: FIXED_T; crush: BOOLEAN; floororceiling, direction: INTEGER_32): RESULT_E -- Move a plane (floor or ceiling) and check for crushing local flag: BOOLEAN lastpos: FIXED_T returned: BOOLEAN do if floororceiling = 0 then if direction = -1 then if sector.floorheight - speed < dest then lastpos := sector.floorheight sector.floorheight := dest flag := i_main.P_map.p_changesector (sector, crush) if flag then sector.floorheight := lastpos i_main.P_map.p_changesector (sector, crush).do_nothing end Result := {RESULT_E}.pastdest returned := True else lastpos := sector.floorheight sector.floorheight := sector.floorheight - speed flag := i_main.P_map.p_changesector (sector, crush) if flag then sector.floorheight := lastpos i_main.P_map.p_changesector (sector, crush).do_nothing Result := {RESULT_E}.crushed returned := True end end elseif direction = 1 then if sector.floorheight + speed > dest then lastpos := sector.floorheight sector.floorheight := dest flag := i_main.P_map.p_changesector (sector, crush) if flag then sector.floorheight := lastpos i_main.P_map.p_changesector (sector, crush).do_nothing end Result := {RESULT_E}.pastdest returned := True else lastpos := sector.floorheight sector.floorheight := sector.floorheight + speed flag := i_main.P_map.p_changesector (sector, crush) if flag then if not crush then sector.floorheight := lastpos i_main.P_map.p_changesector (sector, crush).do_nothing end Result := {RESULT_E}.crushed returned := True end end end elseif floororceiling = 1 then if direction = -1 then if sector.ceilingheight - speed < dest then lastpos := sector.ceilingheight sector.ceilingheight := dest flag := i_main.P_map.p_changesector (sector, crush) if flag then sector.ceilingheight := lastpos i_main.P_map.p_changesector (sector, crush).do_nothing end Result := {RESULT_E}.pastdest returned := True else lastpos := sector.ceilingheight sector.ceilingheight := sector.ceilingheight - speed flag := i_main.P_map.p_changesector (sector, crush) if flag then if not crush then sector.ceilingheight := lastpos i_main.P_map.p_changesector (sector, crush).do_nothing end Result := {RESULT_E}.crushed returned := True end end elseif direction = 1 then if sector.ceilingheight + speed > dest then lastpos := sector.ceilingheight sector.ceilingheight := dest flag := i_main.P_map.p_changesector (sector, crush) if flag then sector.ceilingheight := lastpos i_main.P_map.p_changesector (sector, crush).do_nothing end Result := {RESULT_E}.pastdest returned := True else lastpos := sector.ceilingheight sector.ceilingheight := sector.ceilingheight + speed flag := i_main.P_map.p_changesector (sector, crush) end end end if not returned then Result := {RESULT_E}.ok end end end -- class P_FLOOR
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