hedgewars/uChat.pas
author unc0rr
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2008 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 *)
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{$INCLUDE "options.inc"}
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unit uChat;
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interface
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procedure init_uChat;
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procedure free_uChat;
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procedure AddChatString(s: shortstring);
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procedure DrawChat;
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procedure KeyPressChat(Key: Longword);
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var UserNick: shortstring;
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    showAll: boolean;
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implementation
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uses uMisc, uStore, uConsts, SDLh, uConsole, uKeys, uTeams;
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const MaxStrIndex = 27;
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type TChatLine = record
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        Tex: PTexture;
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        Time: Longword;
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        Width: LongInt;
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        s: shortstring;
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        end;
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var Strs: array[0 .. MaxStrIndex] of TChatLine;
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    lastStr: LongWord;
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    visibleCount: LongWord;
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    InputStr: TChatLine;
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    InputStrL: array[0..260] of char; // for full str + 4-byte utf-8 char
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const colors: array[#1..#4] of TSDL_Color = (
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    (r:$FF; g:$FF; b:$FF; unused:$FF), // chat message [White]
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    (r:$FF; g:$00; b:$FF; unused:$FF), // action message [Purple]
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    (r:$90; g:$FF; b:$90; unused:$FF), // join/leave message [Lime]
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    (r:$FF; g:$FF; b:$A0; unused:$FF)  // team message [Light Yellow]
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    );
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procedure SetLine(var cl: TChatLine; str: shortstring; isInput: boolean);
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var strSurface, resSurface: PSDL_Surface;
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    w, h: LongInt;
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    color: TSDL_Color;
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    font: THWFont;
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begin
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if cl.Tex <> nil then
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    FreeTexture(cl.Tex);
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cl.s:= str;
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if isInput then
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begin
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    // [Light Blue]
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    color.r:= $00;
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    color.g:= $FF;
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    color.b:= $FF;
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    color.unused:= $FF;
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    str:= UserNick + '> ' + str + '_'
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end
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else
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begin
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    color:= colors[str[1]];
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    delete(str, 1, 1)
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end;
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font:= CheckCJKFont(str, fnt16);
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TTF_SizeUTF8(Fontz[font].Handle, Str2PChar(str), w, h);
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resSurface:= SDL_CreateRGBSurface(0, toPowerOf2(w), toPowerOf2(h), 32, RMask, GMask, BMask, AMask);
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strSurface:= TTF_RenderUTF8_Solid(Fontz[font].Handle, Str2PChar(str), color);
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cl.Width:= w + 4;
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SDL_UpperBlit(strSurface, nil, resSurface, nil);
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SDL_FreeSurface(strSurface);
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cl.Time:= RealTicks + 12500;
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cl.Tex:= Surface2Tex(resSurface, false);
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SDL_FreeSurface(resSurface)
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end;
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procedure AddChatString(s: shortstring);
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begin
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lastStr:= (lastStr + 1) mod (MaxStrIndex + 1);
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SetLine(Strs[lastStr], s, false);
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inc(visibleCount)
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end;
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procedure DrawChat;
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var i, t, cnt: Longword;
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    r: TSDL_Rect;
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begin
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cnt:= 0;
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t:= 0;
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i:= lastStr;
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r.x:= 6 - cScreenWidth div 2;
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r.y:= (visibleCount - t) * 16 + 10;
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r.h:= 16;
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if (GameState = gsChat)
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    and (InputStr.Tex <> nil) then
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    begin
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    r.w:= InputStr.Width;
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    DrawFillRect(r);
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    DrawTexture(8 - cScreenWidth div 2, visibleCount * 16 + 10, InputStr.Tex);
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    end;
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dec(r.y, 16);
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while
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    (
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            ((t < 7) and (Strs[i].Time > RealTicks))
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        or
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            ((t < MaxStrIndex) and showAll)
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    )
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    and
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        (Strs[i].Tex <> nil) do
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    begin
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    r.w:= Strs[i].Width;
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    DrawFillRect(r);
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    DrawTexture(8 - cScreenWidth div 2, (visibleCount - t) * 16 - 6, Strs[i].Tex);
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    dec(r.y, 16);
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    if i = 0 then i:= MaxStrIndex else dec(i);
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    inc(cnt);
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    inc(t)
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    end;
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visibleCount:= cnt;
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end;
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procedure AcceptChatString(s: shortstring);
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var i: TWave;
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begin
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// "Make hedgehog say something"
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if (s[1] = '"') and (s[Length(s)] = '"') then
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    begin
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    if CurrentTeam^.ExtDriven then
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        ParseCommand('/say ' + copy(s, 2, Length(s)-2), true)
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    else
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        ParseCommand('/hogsay '#1 + copy(s, 2, Length(s)-2), true);
2017
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    exit
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    end;
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// 'Make hedgehog think something'
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if (s[1] = '''') and (s[Length(s)] = '''') then
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    begin
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    if CurrentTeam^.ExtDriven then
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        ParseCommand('/say ' + copy(s, 2, Length(s)-2), true)
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    else
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        ParseCommand('/hogsay '#2 + copy(s, 2, Length(s)-2), true);
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    exit
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    end;
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// -Make hedgehog yell something-
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if (s[1] = '-') and (s[Length(s)] = '-') then
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    begin
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    if CurrentTeam^.ExtDriven then
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        ParseCommand('/say ' + copy(s, 2, Length(s)-2), true)
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    else
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        ParseCommand('/hogsay '#3 + copy(s, 2, Length(s)-2), true);
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    exit
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   186
    end;
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// These 3 are same as above, only are to make the hedgehog say it on next attack
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if (s[1] = '/') and (copy(s, 1, 5) = '/hsa ') then
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    begin
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    if CurrentTeam^.ExtDriven then
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        ParseCommand('/say ' + copy(s, 6, Length(s)-5), true)
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    else
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        ParseCommand('/hogsay '#4 + copy(s, 6, Length(s)-5), true);
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    exit
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   195
    end;
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   196
if (s[1] = '/') and (copy(s, 1, 5) = '/hta ') then
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    begin
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    if CurrentTeam^.ExtDriven then
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        ParseCommand('/say ' + copy(s, 6, Length(s)-5), true)
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    else
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        ParseCommand('/hogsay '#5 + copy(s, 6, Length(s)-5), true);
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    exit
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   203
    end;
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if (s[1] = '/') and (copy(s, 1, 5) = '/hya ') then
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    begin
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    if CurrentTeam^.ExtDriven then
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        ParseCommand('/say ' + copy(s, 6, Length(s)-5), true)
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    else
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        ParseCommand('/hogsay '#6 + copy(s, 6, Length(s)-5), true);
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    exit
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   211
    end;
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   212
2518
126850aec94d Don't try to send empty team message
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   213
if (copy(s, 1, 6) = '/team ') and (length(s) > 6) then
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d39c61eaca15 experiment in only sending a message to your clan
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    begin
2403
6c5d504af2ba - Proper /team command implementation
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   215
    ParseCommand(s, true);
2124
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    exit
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   217
    end;
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1a391883261d Allow /me in chat
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if (s[1] = '/') and (copy(s, 1, 4) <> '/me ') then
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   219
    begin
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    if CurrentTeam^.ExtDriven then exit;
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   221
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   222
    for i:= Low(TWave) to High(TWave) do
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   223
        if (s = Wavez[i].cmd) then
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   224
            begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   225
            ParseCommand('/taunt ' + char(i), true);
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   226
            exit
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   227
            end;
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   228
    if (s = '/newgrave') then
2017
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   229
        begin
2948
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   230
        ParseCommand('/newgrave', true);
2017
7845c77c8d31 nemo's great patch:
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   231
        exit
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   232
        end;
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   233
    end
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   234
    else
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   235
        ParseCommand('/say ' + s, true);
1033
622c5de38d72 Start implementing waves
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   236
end;
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   237
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42c5cc87cbd1 Preparing to have gsChat gamestate
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   238
procedure KeyPressChat(Key: Longword);
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   239
const firstByteMark: array[1..4] of byte = (0, $C0, $E0, $F0);
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   240
var i, btw: integer;
1001
502508979713 Fix warnings
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   241
    utf8: shortstring;
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42c5cc87cbd1 Preparing to have gsChat gamestate
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begin
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17dac76954d1 Patch by koda to better support Mac OS X
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   243
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   244
if Key <> 0 then
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3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   245
    case Key of
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   246
        {Backspace}
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   247
        8, 127: if Length(InputStr.s) > 0 then
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   248
                begin
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   249
                InputStr.s[0]:= InputStrL[byte(InputStr.s[0])];
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   250
                SetLine(InputStr, InputStr.s, true)
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   251
                end;
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   252
        {Esc}
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   253
        27: SetLine(InputStr, '', true);
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   254
        {Return}
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   255
        3, 13, 271: begin
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   256
            if Length(InputStr.s) > 0 then
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   257
                begin
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   258
                AcceptChatString(InputStr.s);
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   259
                SetLine(InputStr, '', false)
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   260
                end;
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   261
            FreezeEnterKey;
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   262
            GameState:= gsGame
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   263
            end;
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   264
    else
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   265
    if (Key < $80) then btw:= 1
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   266
    else if (Key < $800) then btw:= 2
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   267
    else if (Key < $10000) then btw:= 3
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   268
    else btw:= 4;
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   269
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3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   270
    utf8:= '';
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42c5cc87cbd1 Preparing to have gsChat gamestate
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   271
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   272
    for i:= btw downto 2 do
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   273
        begin
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   274
        utf8:= char((Key or $80) and $BF) + utf8;
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   275
        Key:= Key shr 6
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   276
        end;
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diff changeset
   277
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   278
    utf8:= char(Key or firstByteMark[btw]) + utf8;
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42c5cc87cbd1 Preparing to have gsChat gamestate
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   279
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   280
    if byte(InputStr.s[0]) + btw > 240 then exit;
1485
51c11e77408a Fix chat bugs leading to serialized data corruption
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diff changeset
   281
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   282
    InputStrL[byte(InputStr.s[0]) + btw]:= InputStr.s[0];
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   283
    SetLine(InputStr, InputStr.s + utf8, true)
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   284
    end
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42c5cc87cbd1 Preparing to have gsChat gamestate
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   285
end;
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   286
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
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diff changeset
   287
procedure init_uChat;
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   288
begin
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   289
    lastStr:= 0;
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diff changeset
   290
    visibleCount:= 0;
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
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diff changeset
   291
    UserNick:= '';
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diff changeset
   292
    showAll:= false;
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
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parents: 2699
diff changeset
   293
end;
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2699
diff changeset
   294
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
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parents: 2699
diff changeset
   295
procedure free_uChat;
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
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parents: 2699
diff changeset
   296
begin
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
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diff changeset
   297
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
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parents: 2699
diff changeset
   298
end;
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42c5cc87cbd1 Preparing to have gsChat gamestate
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   299
942
b41af014d85e Stub for chat implementation
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parents:
diff changeset
   300
end.