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ENERGY.FOR
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ENERGY.FOR
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C This file is part of Decwar.
C Copyright 1979, 2011 Bob Hysick, Jeff Potter, The University of Texas
C Computation Center and Harris Newman.
C This program is free software; you can redistribute it and/or modify
C it under the terms of the GNU General Public License as published by
C the Free Software Foundation; either version 3, or (at your option)
C any later version.
C This program is distributed in the hope that it will be useful,
C but WITHOUT ANY WARRANTY; without even the implied warranty of
C MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
C GNU General Public License for more details.
C You should have received a copy of the GNU General Public License
C along with this program; if not, write to the Free Software
C Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
C 02110-1301, USA.
C This routine allows ship-to-ship transfer of energy between
C friendly ships. There is a 10% loss during the transfer.
subroutine ENERGY
include 'param/nolist'
include 'hiseg/nolist'
include 'lowseg/nolist'
include 'extern/nolist'
call crlf
index = 2
*.......Input ship name and energy to transfer
100 if ((typlst(index) .eq. KALF) .and. (typlst(index+1) .eq. KINT))
+ goto 500
if (oflg) 200, 200, 300
200 call out (ener1S, 0) ; goto 400
300 call out (ener1L, 0)
400 call gtkn
index = 1
if (typlst(1) .eq. KEOL) return
goto 100
*.......Match input with ship name
500 do 600 i = 1, KNPLAY
if (equal(tknlst(index), names(i,1))) goto 700
600 continue
call out (unkshp,1) !unknown ship name
return
*.......Input his own ship name?
700 if (i .ne. who) goto 800
if (oflg .eq. long) call out (begyrp, 0)
call out (energ7, 1)
return
*.......Ship in game?
800 if (alive(i)) goto 900
call out (noship,1) !ship not in game
return
*.......Attempting to transfer energy to an enemy ship?
900 dteam = 1 ; if (i .gt. KNPLAY/2) dteam = 2
if (team .eq. dteam) goto 1000
call out (energ2,1)
return
*.......Adjacent to destination ship?
1000 if (ldis(shpcon(who,KVPOS),shpcon(who,KHPOS),shpcon(i,KVPOS),
+ shpcon(i,KHPOS),1)) goto 1100
call out (energ3,1)
return
*.......Transferring more energy than you possess?
1100 ihita = vallst(index+1) * 10
if (ihita .lt. shpcon(who,KSNRGY)) goto 1500
if (oflg) 1200, 1200, 1300
1200 call out (ener4S, 1) ; goto 1400
1300 call out (ener4L, 1)
1400 return
*.......Energy transfer negative or equal to zero?
1500 if (ihita .gt. 0) goto 1600
if (oflg .eq. long) call out (energ8, 0)
call out (energ5,1)
return
*.......Make energy transfer, inform players
1600 ihita = min0(int(ihita * 0.9), 50000 - shpcon(i,KSNRGY))
shpcon(who,KSNRGY) = shpcon(who,KSNRGY) - (ihita + (ihita / 9))
shpcon(i,KSNRGY) = shpcon(i,KSNRGY) + ihita
call out (energ6,1) !inform transferring ship
dispto = i + (dteam * 100) ; dispfr = who + (team * 100)
dbits = bits(i) ; iwhat = 12
call makhit !inform destination ship
return
1700 call out ('Sorry, Captain, but the transfer has failed.', 1)
return
end