- cleaned up c_console.cpp to be moved into 'common'.

src/common/console/c_notifybufferbase.cpp

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