1 (*

     2  * Hedgewars, a worms-like game

     3  * Copyright (c) 2004, 2005 Andrey Korotaev <unC0Rr@gmail.com>

     4  *

     5  * Distributed under the terms of the BSD-modified licence:

     6  *

     7  * Permission is hereby granted, free of charge, to any person obtaining a copy

     8  * of this software and associated documentation files (the "Software"), to deal

     9  * with the Software without restriction, including without limitation the

    10  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

    11  * sell copies of the Software, and to permit persons to whom the Software is

    12  * furnished to do so, subject to the following conditions:

    13  *

    14  * 1. Redistributions of source code must retain the above copyright notice,

    15  *    this list of conditions and the following disclaimer.

    16  * 2. Redistributions in binary form must reproduce the above copyright notice,

    17  *    this list of conditions and the following disclaimer in the documentation

    18  *    and/or other materials provided with the distribution.

    19  * 3. The name of the author may not be used to endorse or promote products

    20  *    derived from this software without specific prior written permission.

    21  *

    22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED

    23  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

    24  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO

    25  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

    28  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

    29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

    30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

    31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    32  *)

    33 

    34 unit uGame;

    35 interface

    36 uses SDLh;

    37 {$INCLUDE options.inc}

    38 

    39 procedure DoGameTick(Lag: integer);

    40 

    41 ////////////////////

    42    implementation

    43 ////////////////////

    44 uses uMisc, uConsts, uWorld, uKeys, uTeams, uIO, uAI, uGears;

    45 

    46 procedure DoGameTick(Lag: integer);

    47 const SendEmptyPacketTicks: LongWord = 0;

    48 var i: integer;

    49 begin

    50 if CurrentTeam.ExtDriven then

    51    begin

    52    if (GameType = gmtDemo) then

    53       ProcessKbdDemo;

    54    end

    55    else begin

    56    NetGetNextCmd; // на случай, если что-то сказано

    57    if SendEmptyPacketTicks >= cSendEmptyPacketTime then

    58       begin

    59       SendIPC('+');

    60       SendEmptyPacketTicks:= 0

    61       end;

    62    inc(SendEmptyPacketTicks, Lag)

    63    end;

    64 

    65 // если тачка слабая, то Lag с каждым кадром стремится в бесконечность

    66 if Lag > 100 then Lag:= 100;

    67 

    68 for i:= 0 to Lag do

    69     if not CurrentTeam.ExtDriven then

    70        begin

    71        with CurrentTeam^ do

    72            if Hedgehogs[CurrHedgehog].BotLevel <> 0 then ProcessBot;

    73        ProcessGears

    74        end else

    75        begin

    76        NetGetNextCmd;

    77        if isInLag then

    78           case GameType of

    79                gmtNet: break;

    80                gmtDemo: begin

    81                         SendIPC('q');

    82                         GameState:= gsExit;

    83                         exit

    84                         end

    85                end

    86           else ProcessGears

    87        end;

    88 if not CurrentTeam.ExtDriven then isInLag:= false;

    89 

    90 MoveWorld

    91 end;

    92 

    93 end.