(* * Hedgewars, a worms-like game * Copyright (c) 2008 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 *)unit uChat;interfaceprocedure AddChatString(s: shortstring);procedure DrawChat;procedure KeyPressChat(Key: Longword);var UserNick: shortstring = ''; showAll: boolean = false;implementationuses uMisc, uStore, uConsts, SDLh, uConsole, uKeys, uTeams;const MaxStrIndex = 27;type TChatLine = record s: shortstring; Time: Longword; Tex: PTexture; end;var Strs: array[0 .. MaxStrIndex] of TChatLine; lastStr: Longword = 0; visibleCount: Longword = 0; InputStr: TChatLine; InputStrL: array[0..260] of char; // for full str + 4-byte utf-8 charprocedure SetLine(var cl: TChatLine; str: shortstring; isInput: boolean);var strSurface, resSurface: PSDL_Surface; r: TSDL_Rect; w, h: LongInt;beginif cl.Tex <> nil then FreeTexture(cl.Tex);cl.s:= str;if isInput then str:= UserNick + '> ' + str + '_';TTF_SizeUTF8(Fontz[fnt16].Handle, Str2PChar(str), w, h);resSurface:= SDL_CreateRGBSurface(0, toPowerOf2(w + 2), toPowerOf2(h + 2), 32, RMask, GMask, BMask, AMask);strSurface:= TTF_RenderUTF8_Solid(Fontz[fnt16].Handle, Str2PChar(str), $202020);r.x:= 1;r.y:= 1;SDL_UpperBlit(strSurface, nil, resSurface, @r);strSurface:= TTF_RenderUTF8_Solid(Fontz[fnt16].Handle, Str2PChar(str), $FFFFFF);SDL_UpperBlit(strSurface, nil, resSurface, nil);SDL_FreeSurface(strSurface);cl.Time:= RealTicks + 12500;cl.Tex:= Surface2Tex(resSurface);SDL_FreeSurface(resSurface)end;procedure AddChatString(s: shortstring);beginlastStr:= (lastStr + 1) mod (MaxStrIndex + 1);SetLine(Strs[lastStr], s, false);inc(visibleCount)end;procedure DrawChat;var i, t, cnt: Longword;begincnt:= 0;t:= 0;i:= lastStr;while ( ((t < 7) and (Strs[i].Time > RealTicks)) or ((t < MaxStrIndex) and showAll) ) and (Strs[i].Tex <> nil) do begin DrawTexture(8, (visibleCount - t) * 16 - 6, Strs[i].Tex); if i = 0 then i:= MaxStrIndex else dec(i); inc(cnt); inc(t) end;visibleCount:= cnt;if (GameState = gsChat) and (InputStr.Tex <> nil) then DrawTexture(8, visibleCount * 16 + 10, InputStr.Tex);end;procedure AcceptChatString(s: shortstring);var i: TWave;beginif s[1] = '/' then begin if CurrentTeam^.ExtDriven then exit; for i:= Low(TWave) to High(TWave) do if (s = Wavez[i].cmd) then begin ParseCommand('/taunt ' + char(i), true); exit end; end else ParseCommand('/say ' + s, true);end;procedure KeyPressChat(Key: Longword);const firstByteMark: array[1..4] of byte = (0, $C0, $E0, $F0);var i, btw: integer; utf8: shortstring;beginif Key <> 0 then case Key of 8: if Length(InputStr.s) > 0 then begin InputStr.s[0]:= InputStrL[byte(InputStr.s[0])]; SetLine(InputStr, InputStr.s, true) end; 27: SetLine(InputStr, '', true); 13, 271: begin if Length(InputStr.s) > 0 then begin AcceptChatString(InputStr.s); SetLine(InputStr, '', false) end; FreezeEnterKey; GameState:= gsGame end else if (Key < $80) then btw:= 1 else if (Key < $800) then btw:= 2 else if (Key < $10000) then btw:= 3 else btw:= 4; utf8:= ''; for i:= btw downto 2 do begin utf8:= char((Key or $80) and $BF) + utf8; Key:= Key shr 6 end; utf8:= char(Key or firstByteMark[btw]) + utf8; InputStrL[byte(InputStr.s[0]) + btw]:= InputStr.s[0]; SetLine(InputStr, InputStr.s + utf8, true) endend;end.