author | unc0rr |
Wed, 25 Jun 2008 09:40:23 +0000 | |
changeset 1027 | 85007fde2738 |
parent 1001 | 502508979713 |
child 1033 | 622c5de38d72 |
permissions | -rw-r--r-- |
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(* |
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* Hedgewars, a worms-like 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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unit uChat; |
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interface |
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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 = false; |
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implementation |
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uses uMisc, uStore, uConsts, SDLh, uConsole, uKeys; |
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const MaxStrIndex = 27; |
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type TChatLine = record |
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s: shortstring; |
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Time: Longword; |
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Tex: PTexture; |
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end; |
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var Strs: array[0 .. MaxStrIndex] of TChatLine; |
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lastStr: Longword = 0; |
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visibleCount: Longword = 0; |
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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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procedure SetLine(var cl: TChatLine; str: shortstring; isInput: boolean); |
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var strSurface, resSurface: PSDL_Surface; |
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r: TSDL_Rect; |
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w, h: LongInt; |
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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 str:= UserNick + '> ' + str + '_'; |
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TTF_SizeUTF8(Fontz[fnt16].Handle, Str2PChar(str), w, h); |
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resSurface:= SDL_CreateRGBSurface(0, |
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toPowerOf2(w + 2), |
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toPowerOf2(h + 2), |
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32, |
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RMask, GMask, BMask, AMask); |
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strSurface:= TTF_RenderUTF8_Solid(Fontz[fnt16].Handle, Str2PChar(str), $202020); |
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r.x:= 1; |
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r.y:= 1; |
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SDL_UpperBlit(strSurface, nil, resSurface, @r); |
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strSurface:= TTF_RenderUTF8_Solid(Fontz[fnt16].Handle, Str2PChar(str), $FFFFFF); |
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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); |
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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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begin |
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cnt:= 0; |
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t:= 0; |
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i:= lastStr; |
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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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DrawTexture(8, (visibleCount - t) * 16 - 6, Strs[i].Tex); |
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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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if (GameState = gsChat) |
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and (InputStr.Tex <> nil) then |
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DrawTexture(8, visibleCount * 16 + 10, InputStr.Tex); |
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end; |
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procedure KeyPressChat(Key: Longword); |
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const firstByteMark: array[1..4] of byte = (0, $C0, $E0, $F0); |
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var i, btw: integer; |
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utf8: shortstring; |
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begin |
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if Key <> 0 then |
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case Key of |
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8: if Length(InputStr.s) > 0 then |
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begin |
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InputStr.s[0]:= InputStrL[byte(InputStr.s[0])]; |
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SetLine(InputStr, InputStr.s, true) |
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end; |
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27: SetLine(InputStr, '', true); |
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13, 271: begin |
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if Length(InputStr.s) > 0 then |
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begin |
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ParseCommand('/say ' + InputStr.s, true); |
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SetLine(InputStr, '', false) |
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end; |
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FreezeEnterKey; |
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GameState:= gsGame |
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end |
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else |
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if (Key < $80) then btw:= 1 |
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else if (Key < $800) then btw:= 2 |
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else if (Key < $10000) then btw:= 3 |
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else btw:= 4; |
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utf8:= ''; |
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for i:= btw downto 2 do |
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begin |
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utf8:= char((Key or $80) and $BF) + utf8; |
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Key:= Key shr 6 |
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end; |
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utf8:= char(Key or firstByteMark[btw]) + utf8; |
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InputStrL[byte(InputStr.s[0]) + btw]:= InputStr.s[0]; |
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SetLine(InputStr, InputStr.s + utf8, true) |
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end |
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end; |
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end. |