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141 lines
3.7 KiB
C++
141 lines
3.7 KiB
C++
/*
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** c_notifybufferbase.cpp
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** Implements the buffer for the notification message
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2006 Randy Heit
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** Copyright 2005-2020 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include "v_text.h"
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#include "i_time.h"
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#include "v_draw.h"
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#include "c_notifybufferbase.h"
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void FNotifyBufferBase::Shift(int maxlines)
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{
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if (maxlines >= 0 && Text.Size() > (unsigned)maxlines)
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{
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Text.Delete(0, Text.Size() - maxlines);
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}
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}
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void FNotifyBufferBase::Clear()
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{
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Text.Clear();
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}
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void FNotifyBufferBase::AddString(int printlevel, FFont *printFont, const FString &source, int formatwidth, float keeptime, int maxlines)
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{
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if (printFont == nullptr) return; // Without an initialized font we cannot handle the message (this is for those which come here before the font system is ready.)
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LineHeight = printFont->GetHeight();
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TArray<FBrokenLines> lines;
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if (AddType == APPENDLINE && Text.Size() > 0 && Text[Text.Size() - 1].PrintLevel == printlevel)
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{
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FString str = Text[Text.Size() - 1].Text + source;
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lines = V_BreakLines (printFont, formatwidth, str);
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}
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else
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{
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lines = V_BreakLines (printFont, formatwidth, source);
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if (AddType == APPENDLINE)
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{
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AddType = NEWLINE;
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}
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}
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if (lines.Size() == 0)
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return;
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for (auto &line : lines)
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{
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FNotifyText newline;
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newline.Text = line.Text;
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newline.TimeOut = int(keeptime * GameTicRate);
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newline.Ticker = 0;
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newline.PrintLevel = printlevel;
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if (AddType == NEWLINE || Text.Size() == 0)
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{
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if (maxlines > 0)
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{
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Shift(maxlines - 1);
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}
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Text.Push(newline);
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}
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else
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{
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Text[Text.Size() - 1] = newline;
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}
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AddType = NEWLINE;
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}
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switch (source[source.Len()-1])
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{
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case '\r': AddType = REPLACELINE; break;
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case '\n': AddType = NEWLINE; break;
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default: AddType = APPENDLINE; break;
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}
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TopGoal = 0;
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}
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void FNotifyBufferBase::Tick()
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{
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if (TopGoal > Top)
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{
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Top++;
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}
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else if (TopGoal < Top)
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{
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Top--;
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}
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// Remove lines from the beginning that have expired.
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unsigned i;
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for (i = 0; i < Text.Size(); ++i)
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{
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Text[i].Ticker++;
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}
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for (i = 0; i < Text.Size(); ++i)
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{
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if (Text[i].TimeOut != 0 && Text[i].TimeOut > Text[i].Ticker)
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break;
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}
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if (i > 0)
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{
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Text.Delete(0, i);
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Top += LineHeight;
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}
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}
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