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authorkilbith <jeanpatrick.guerrero@gmail.com>2016-04-25 11:18:17 +0200
committerparamat <mat.gregory@virginmedia.com>2016-04-28 07:19:31 +0100
commitdc35091affef70e8af8caa2b0fbbd328f1844550 (patch)
tree694ff0d1c1576723487b2ca182ab8e678d577dbc /util/buildbot
parent17bfe2fe5b24aa7cf097bfe0a18dd3a66a0cee38 (diff)
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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#pragma once

#include <string>
#include <vector>
#include <list>

#include "irrlichttypes.h"
#include "util/enriched_string.h"
#include "settings.h"

// Chat console related classes

struct ChatLine
{
	// age in seconds
	f32 age = 0.0f;
	// name of sending player, or empty if sent by server
	EnrichedString name;
	// message text
	EnrichedString text;

	ChatLine(const std::wstring &a_name, const std::wstring &a_text):
		name(a_name),
		text(a_text)
	{
	}

	ChatLine(const EnrichedString &a_name, const EnrichedString &a_text):
		name(a_name),
		text(a_text)
	{
	}
};

struct ChatFormattedFragment
{
	// text string
	EnrichedString text;
	// starting column
	u32 column;
	// formatting
	//u8 bold:1;
};

struct ChatFormattedLine
{
	// Array of text fragments
	std::vector<ChatFormattedFragment> fragments;
	// true if first line of one formatted ChatLine
	bool first;
};

class ChatBuffer
{
public:
	ChatBuffer(u32 scrollback);
	~ChatBuffer() = default;

	// Append chat line
	// Removes oldest chat line if scrollback size is reached
	void addLine(std::wstring name, std::wstring text);

	// Remove all chat lines
	void clear();

	// Get number of lines currently in buffer.
	u32 getLineCount() const;
	// Get reference to i-th chat line.
	const ChatLine& getLine(u32 index) const;

	// Increase each chat line's age by dtime.
	void step(f32 dtime);
	// Delete oldest N chat lines.
	void deleteOldest(u32 count);
	// Delete lines older than maxAge.
	void deleteByAge(f32 maxAge);

	// Get number of columns, 0 if reformat has not been called yet.
	u32 getColumns() const;
	// Get number of rows, 0 if reformat has not been called yet.
	u32 getRows() const;
	// Update console size and reformat all formatted lines.
	void reformat(u32 cols, u32 rows);
	// Get formatted line for a given row (0 is top of screen).