hedgewars/uCaptions.pas
author nemo
Tue, 21 Aug 2018 15:11:28 -0400
branch0.9.24
changeset 13687 f60b3998ba56
parent 12220 2cbc57db82e1
permissions -rw-r--r--
only-stats should never create visual gears. and lua should never rely on visual gears being created. critical is just to help ensure ones important to gameplay don't get lost in fast-forward

(*
 * Hedgewars, a free turn based strategy game
 * Copyright (c) 2004-2015 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *)

{$INCLUDE "options.inc"}

unit uCaptions;

interface
uses uTypes;

procedure AddCaption(s: ansistring; Color: Longword; Group: TCapGroup);
procedure DrawCaptions;
procedure ReloadCaptions(unload: boolean);

procedure initModule;
procedure freeModule;

implementation
uses uTextures, uRenderUtils, uVariables, uRender;

type TCaptionStr = record
    Tex: PTexture;
    EndTime: LongWord;
    Text: ansistring;
    Color: Longword
    end;
var
    Captions: array[TCapGroup] of TCaptionStr;

procedure AddCaption(s: ansistring; Color: Longword; Group: TCapGroup);
begin
    if cOnlyStats then exit;
    if Length(s) = 0 then
        exit;
    if (Captions[Group].Text <> s) or (Captions[Group].Color <> Color) then
        FreeAndNilTexture(Captions[Group].Tex);

    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
        FreeAndNilTexture(Captions[Group].Tex)
    else if length(Captions[Group].Text) > 0 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
                    FreeAndNilTexture(Tex);
                    Text:= ansistring('');
                    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
        FreeAndNilTexture(Captions[group].Tex);
end;

end.