hedgewars/uGame.pas
author unc0rr
Tue, 06 Sep 2005 19:09:39 +0000
changeset 12 366adfa1a727
parent 4 bcbd7adb4e4b
child 32 78bff13b11c0
permissions -rw-r--r--
Fix reading out of bounds of the collisions array. This fixes flying hedgehogs and not moving after explosion
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(*
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 * Hedgewars, a worms-like game
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 * Copyright (c) 2004, 2005 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * Distributed under the terms of the BSD-modified licence:
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * with the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * 1. Redistributions of source code must retain the above copyright notice,
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 *    this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
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 *    this list of conditions and the following disclaimer in the documentation
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 *    and/or other materials provided with the distribution.
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 * 3. The name of the author may not be used to endorse or promote products
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 *    derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *)
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unit uGame;
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interface
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uses SDLh;
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{$INCLUDE options.inc}
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procedure DoGameTick(Lag: integer);
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////////////////////
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   implementation
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////////////////////
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uses uMisc, uConsts, uWorld, uKeys, uTeams, uIO, uAI, uGears;
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procedure DoGameTick(Lag: integer);
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const SendEmptyPacketTicks: LongWord = 0;
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var i: integer;
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begin
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if CurrentTeam.ExtDriven then
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   begin
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   if (GameType = gmtDemo) then
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      ProcessKbdDemo;
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   end
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   else begin
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   NetGetNextCmd; // на случай, если что-то сказано
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   if SendEmptyPacketTicks >= cSendEmptyPacketTime then
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      begin
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      SendIPC('+');
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      SendEmptyPacketTicks:= 0
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      end;
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   inc(SendEmptyPacketTicks, Lag)
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   end;
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if Lag > 100 then Lag:= 100;
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for i:= 1 to Lag do
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    if not CurrentTeam.ExtDriven then
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       begin
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       with CurrentTeam^ do
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           if Hedgehogs[CurrHedgehog].BotLevel <> 0 then ProcessBot;
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       ProcessGears
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       end else
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       begin
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       NetGetNextCmd;
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       if isInLag then
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          case GameType of
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               gmtNet: break;
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               gmtDemo: begin
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                        SendIPC('q');
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                        GameState:= gsExit;
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                        exit
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                        end
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               end
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          else ProcessGears
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       end;
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if not CurrentTeam.ExtDriven then isInLag:= false;
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MoveWorld
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end;
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end.