(*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * 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; version 2 of the License

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

 *)

{$INCLUDE "options.inc"}

unit uCommandHandlers;

interface

procedure initModule;

procedure freeModule;

implementation

var prevGState: TGameState = gsConfirm;

procedure chGenCmd(var s: shortstring);

begin

case s[1] of

    'R': if ReadyTimeLeft > 1 then 

        begin

        ReadyTimeLeft:= 1;

        if not CurrentTeam^.ExtDriven then

            SendIPC('c'+s);

        end

    end

end;

procedure chQuit(var s: shortstring);

begin

    s:= s; // avoid compiler hint

    if (GameState = gsGame) or (GameState = gsChat) then

        begin

        prevGState:= GameState;

        GameState:= gsConfirm;

        SDL_ShowCursor(1)

        end

    else

        if GameState = gsConfirm then

            begin

            GameState:= prevGState;

            SDL_ShowCursor(ord(isPaused))

            end

end;

procedure chForceQuit(var s: shortstring);

begin

    s:= s; // avoid compiler hint

    GameState:= gsConfirm;

    ParseCommand('confirm', true);

end;

procedure chConfirm(var s: shortstring);

begin

    s:= s; // avoid compiler hint

    if GameState = gsConfirm then

    begin

        SendIPC(_S'Q');

        GameState:= gsExit

    end

else

    ParseCommand('chat team', true);

end;

procedure chHalt (var s: shortstring);

begin

    s:= s; // avoid compiler hint

    SendIPC(_S'H');

    GameState:= gsExit

end;

procedure chCheckProto(var s: shortstring);

var i, c: LongInt;

begin

    if isDeveloperMode then

        begin

        val(s, i, c);

        TryDo(i <= cNetProtoVersion, 'Protocol version mismatch: engine is too old (got '+intToStr(i)+', expecting '+intToStr(cNetProtoVersion)+')', true);

        TryDo(i >= cNetProtoVersion, 'Protocol version mismatch: engine is too new (got '+intToStr(i)+', expecting '+intToStr(cNetProtoVersion)+')', true);

        end

end;

procedure chTeamLocal(var s: shortstring);

begin

s:= s; // avoid compiler hint

if not isDeveloperMode then

    exit;

if CurrentTeam = nil then

    OutError(errmsgIncorrectUse + ' "/rdriven"', true);

CurrentTeam^.ExtDriven:= true

end;

procedure chGrave(var s: shortstring);

begin

if CurrentTeam = nil then

    OutError(errmsgIncorrectUse + ' "/grave"', true);

if s[1]='"' then

    Delete(s, 1, 1);

if s[byte(s[0])]='"' then

    Delete(s, byte(s[0]), 1);

CurrentTeam^.GraveName:= s

end;

procedure chFort(var s: shortstring);

begin

if CurrentTeam = nil then

    OutError(errmsgIncorrectUse + ' "/fort"', true);

if s[1]='"' then

    Delete(s, 1, 1);

if s[byte(s[0])]='"' then

    Delete(s, byte(s[0]), 1);

CurrentTeam^.FortName:= s

end;

procedure chFlag(var s: shortstring);

begin

if CurrentTeam = nil then

    OutError(errmsgIncorrectUse + ' "/flag"', true);

if s[1]='"' then

    Delete(s, 1, 1);

if s[byte(s[0])]='"' then

    Delete(s, byte(s[0]), 1);

CurrentTeam^.flag:= s

end;

procedure chScript(var s: shortstring);

begin

if s[1]='"' then

    Delete(s, 1, 1);

if s[byte(s[0])]='"' then

    Delete(s, byte(s[0]), 1);

cScriptName:= s;

ScriptLoad(s)

end;

procedure chSetHat(var s: shortstring);

begin

if (not isDeveloperMode) or (CurrentTeam = nil) then exit;

with CurrentTeam^ do

    begin

    if not CurrentHedgehog^.King then

    if (s = '')

    or (((GameFlags and gfKing) <> 0) and (s = 'crown'))

    or ((Length(s) > 39) and (Copy(s,1,8) = 'Reserved') and (Copy(s,9,32) <> PlayerHash)) then

        CurrentHedgehog^.Hat:= 'NoHat'

    else

        CurrentHedgehog^.Hat:= s

    end;

end;

procedure chCurU_p(var s: shortstring);

begin

s:= s; // avoid compiler hint

CursorMovementY:= -1;

end;

procedure chCurU_m(var s: shortstring);

begin

s:= s; // avoid compiler hint

CursorMovementY:= 0;

end;

procedure chCurD_p(var s: shortstring);

begin

s:= s; // avoid compiler hint

CursorMovementY:= 1;

end;

procedure chCurD_m(var s: shortstring);

begin

s:= s; // avoid compiler hint

CursorMovementY:= 0;

end;

procedure chCurL_p(var s: shortstring);

begin

s:= s; // avoid compiler hint

CursorMovementX:= -1;

end;

procedure chCurL_m(var s: shortstring);

begin

s:= s; // avoid compiler hint

CursorMovementX:= 0;

end;

procedure chCurR_p(var s: shortstring);

begin

s:= s; // avoid compiler hint

CursorMovementX:= 1;

end;

procedure chCurR_m(var s: shortstring);

begin

s:= s; // avoid compiler hint

CursorMovementX:= 0;

end;

procedure chLeft_p(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH or isPaused then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'L');

bShowFinger:= false;

with CurrentHedgehog^.Gear^ do

    Message:= Message or (gmLeft and InputMask);

    ScriptCall('onLeft');

end;

procedure chLeft_m(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'l');

with CurrentHedgehog^.Gear^ do

    Message:= Message and (not (gmLeft and InputMask));

    ScriptCall('onLeftUp');

end;

procedure chRight_p(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH or isPaused then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'R');

bShowFinger:= false;

with CurrentHedgehog^.Gear^ do

    Message:= Message or (gmRight and InputMask);

    ScriptCall('onRight');

end;

procedure chRight_m(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'r');

with CurrentHedgehog^.Gear^ do

    Message:= Message and (not (gmRight and InputMask));

    ScriptCall('onRightUp');

end;

procedure chUp_p(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH or isPaused then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'U');

bShowFinger:= false;

with CurrentHedgehog^.Gear^ do

    Message:= Message or (gmUp and InputMask);

    ScriptCall('onUp');

end;

procedure chUp_m(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'u');

with CurrentHedgehog^.Gear^ do

    Message:= Message and (not (gmUp and InputMask));

    ScriptCall('onUpUp');

end;

procedure chDown_p(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH or isPaused then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'D');

bShowFinger:= false;

with CurrentHedgehog^.Gear^ do

    Message:= Message or (gmDown and InputMask);

    ScriptCall('onDown');

end;

procedure chDown_m(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'd');

with CurrentHedgehog^.Gear^ do

    Message:= Message and (not (gmDown and InputMask));

    ScriptCall('onDownUp');

end;

procedure chPrecise_p(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH or isPaused then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'Z');

bShowFinger:= false;

with CurrentHedgehog^.Gear^ do

    Message:= Message or (gmPrecise and InputMask);

    ScriptCall('onPrecise');

end;

procedure chPrecise_m(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'z');

with CurrentHedgehog^.Gear^ do

    Message:= Message and (not (gmPrecise and InputMask));

    ScriptCall('onPreciseUp');

end;

procedure chLJump(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH or isPaused then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'j');

bShowFinger:= false;

with CurrentHedgehog^.Gear^ do

    Message:= Message or (gmLJump and InputMask);

    ScriptCall('onLJump');

end;

procedure chHJump(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH or isPaused then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'J');

bShowFinger:= false;

with CurrentHedgehog^.Gear^ do

    Message:= Message or (gmHJump and InputMask);

    ScriptCall('onHJump');

end;

procedure chAttack_p(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH or isPaused then

    exit;

bShowFinger:= false;

with CurrentHedgehog^.Gear^ do

    begin

    AddFileLog('/+attack: hedgehog''s Gear^.State = '+inttostr(State));

    if ((State and gstHHDriven) <> 0) then

        begin

        FollowGear:= CurrentHedgehog^.Gear;

        if not CurrentTeam^.ExtDriven then

            SendIPC(_S'A');

        Message:= Message or (gmAttack and InputMask);

        ScriptCall('onAttack');

        end

    end

end;

procedure chAttack_m(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH then

    exit;

with CurrentHedgehog^.Gear^ do

    begin

    if not CurrentTeam^.ExtDriven and

        ((Message and gmAttack) <> 0) then

            SendIPC(_S'a');

    Message:= Message and (not (gmAttack and InputMask));

    ScriptCall('onAttackUp');

    end

end;

procedure chSwitch(var s: shortstring);

begin

s:= s; // avoid compiler hint

if CheckNoTeamOrHH or isPaused then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(_S'S');

bShowFinger:= false;

with CurrentHedgehog^.Gear^ do

    Message:= Message or (gmSwitch and InputMask);

    ScriptCall('onSwitch');

end;

procedure chNextTurn(var s: shortstring);

var checksum: Longword;

    gi: PGear;

begin

    s:= s; // avoid compiler hint

    TryDo(AllInactive, '/nextturn called when not all gears are inactive', true);

    checksum:= GameTicks;

    gi := GearsList;

    while gi <> nil do

        begin

        with gi^ do checksum:= checksum xor X.round xor X.frac xor dX.round xor dX.frac xor Y.round xor Y.frac xor dY.round xor dY.frac;

        gi := gi^.NextGear

        end;

    if not CurrentTeam^.ExtDriven then

        begin

        s[0]:= #5;

        s[1]:= 'N';

        SDLNet_Write32(checksum, @s[2]);

        SendIPC(s)

        end

    else

        TryDo(checksum = lastTurnChecksum, 'Desync detected', true);

    AddFileLog('Next turn: time '+inttostr(GameTicks));

end;

procedure chTimer(var s: shortstring);

begin

if (s[0] <> #1) or (s[1] < '1') or (s[1] > '5') or CheckNoTeamOrHH then

    exit;

if not CurrentTeam^.ExtDriven then

    SendIPC(s);

bShowFinger:= false;

with CurrentHedgehog^.Gear^ do

    begin

    Message:= Message or (gmTimer and InputMask);

    MsgParam:= byte(s[1]) - ord('0');

    ScriptCall('onTimer', MsgParam);

    end

end;

procedure chSlot(var s: shortstring);

var slot: LongWord;

    ss: shortstring;

begin

if (s[0] <> #1) or CheckNoTeamOrHH then

    exit;

slot:= byte(s[1]) - 49;

if slot > cMaxSlotIndex then

    exit;

if not CurrentTeam^.ExtDriven then

    begin

    ss[0]:= #1;

    ss[1]:= char(byte(s[1]) + 79);

    SendIPC(ss);

    end;

bShowFinger:= false;

with CurrentHedgehog^.Gear^ do

    begin

    Message:= Message or (gmSlot and InputMask);

    MsgParam:= slot; 

    ScriptCall('onSlot', MsgParam);

    end

end;

procedure chSetWeapon(var s: shortstring);

begin

    if (s[0] <> #1) or CheckNoTeamOrHH then

        exit;

    if TAmmoType(s[1]) > High(TAmmoType) then

        exit;

    if not CurrentTeam^.ExtDriven then

        SendIPC('w' + s);

    with CurrentHedgehog^.Gear^ do

        begin

        Message:= Message or (gmWeapon and InputMask);

        MsgParam:= byte(s[1]);

        ScriptCall('onSetWeapon', MsgParam);

        end;

end;