(*

 * 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 uCaptions;

interface

uses uTypes;

procedure AddCaption(s: shortstring; Color: Longword; Group: TCapGroup);

procedure DrawCaptions;

procedure ReloadCaptions(unload: boolean);

procedure initModule;

procedure freeModule;

type TCaptionStr = record

    Tex: PTexture;

    EndTime: LongWord;

    Text: shortstring;

    Color: Longword

    end;

var

    Captions: array[TCapGroup] of TCaptionStr;

implementation

uses uTextures, uRenderUtils, uVariables, uRender;

procedure AddCaption(s: shortstring; Color: Longword; Group: TCapGroup);

begin

    if Length(s) = 0 then

        exit;

    if Captions[Group].Text <> s then

        begin

        FreeTexture(Captions[Group].Tex);

        Captions[Group].Tex:= nil

        end;

    if Captions[Group].Tex = nil then

        begin

        Captions[Group].Color:= Color;

        Captions[Group].Text:= s;

        Captions[Group].Tex:= RenderStringTex(s, Color, fntBig)

        end;

    case Group of

        capgrpGameState: Captions[Group].EndTime:= RealTicks + 2200

    else

        Captions[Group].EndTime:= RealTicks + 1400 + LongWord(Captions[Group].Tex^.w) * 3;

    end;

end;

// For uStore texture recreation

procedure ReloadCaptions(unload: boolean);

var Group: TCapGroup;

begin

for Group:= Low(TCapGroup) to High(TCapGroup) do

    if unload then

        FreeTexture(Captions[Group].Tex)

    else if Captions[Group].Text <> '' then

        Captions[Group].Tex:= RenderStringTex(Captions[Group].Text, Captions[Group].Color, fntBig)

end;

procedure DrawCaptions;

var

    grp: TCapGroup;

    offset: LongInt;

begin

{$IFDEF USE_TOUCH_INTERFACE}

    offset:= 48;

{$ELSE}

    offset:= 8;

{$ENDIF}

    for grp:= Low(TCapGroup) to High(TCapGroup) do

        with Captions[grp] do

            if Tex <> nil then

                begin

                DrawTextureCentered(0, offset, Tex);

                inc(offset, Tex^.h + 2);

                if EndTime <= RealTicks then

                    begin

                    FreeTexture(Tex);

                    Tex:= nil;

                    Text:= '';

                    EndTime:= 0

                    end;

                end;

end;

procedure initModule;

begin

    FillChar(Captions, sizeof(Captions), 0)

end;

procedure freeModule;

var group: TCapGroup;

begin

    for group:= Low(TCapGroup) to High(TCapGroup) do

        begin

        FreeTexture(Captions[group].Tex);

        Captions[group].Tex:= nil

        end

end;

end.