src/util/enriched_string.cpp


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/*
</*
Copyright (C) 2013 xyz, Ilya Zhuravlev <whatever@xyz.is>
Copyright (C) 2016 Nore, Nathanaël Courant <nore@mesecons.net>

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.
*/

#include "enriched_string.h"
#include "util/string.h"
#include "debug.h"
#include "log.h"

using namespace irr::video;

EnrichedString::EnrichedString()
{
	clear();
}

EnrichedString::EnrichedString(const std::wstring &string,
		const std::vector<SColor> &colors)
{
	clear();
	m_string = string;
	m_colors = colors;
}

EnrichedString::EnrichedString(const std::wstring &s, const SColor &color)
{
	clear();
	addAtEnd(translate_string(s), color);
}

EnrichedString::EnrichedString(const wchar_t *str, const SColor &color)
{
	clear();
	addAtEnd(translate_string(std::wstring(str)), color);
}

void EnrichedString::clear()
{
	m_string.clear();
	m_colors.clear();
	m_has_background = false;
	m_default_length = 0;
	m_default_color = irr::video::SColor(255, 255, 255, 255);
	m_background = irr::video::SColor(0, 0, 0, 0);
}

void EnrichedString::operator=(const wchar_t *str)
static int l_add_entity(lua_State *L);

	// add_item(pos, itemstack or itemstring or table) -> ObjectRef or nil
	// pos = {x=num, y=num, z=num}
	static int l_add_item(lua_State *L);

	// get_player_by_name(name)
	static int l_get_player_by_name(lua_State *L);

	// get_objects_inside_radius(pos, radius)
	static int l_get_objects_inside_radius(lua_State *L);

	// set_timeofday(val)
	// val = 0...1
	static int l_set_timeofday(lua_State *L);

	// get_timeofday() -> 0...1
	static int l_get_timeofday(lua_State *L);

	// get_gametime()
	static int l_get_gametime(lua_State *L);

	// find_node_near(pos, radius, nodenames) -> pos or nil
	// nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
	static int l_find_node_near(lua_State *L);

	// find_nodes_in_area(minp, maxp, nodenames) -> list of positions
	// nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
	static int l_find_nodes_in_area(lua_State *L);

	// delete_area(p1, p2) -> true/false
	static int l_delete_area(lua_State *L);

	// get_perlin(seeddiff, octaves, persistence, scale)
	// returns world-specific PerlinNoise
	static int l_get_perlin(lua_State *L);

	// get_perlin_map(noiseparams, size)
	// returns world-specific PerlinNoiseMap
	static int l_get_perlin_map(lua_State *L);

	// get_voxel_manip()
	// returns world-specific voxel manipulator
	static int l_get_voxel_manip(lua_State *L);

	// clear_objects()
	// clear all objects in the environment
	static int l_clear_objects(lua_State *L);

	// spawn_tree(pos, treedef)
	static int l_spawn_tree(lua_State *L);

	// line_of_sight(pos1, pos2, stepsize) -> true/false
	static int l_line_of_sight(lua_State *L);

	// find_path(pos1, pos2, searchdistance,
	//     max_jump, max_drop, algorithm) -> tabl
		std::vector<std::wstring> parts = split(escape_sequence, L'@');
		if (parts[0] == L"c") {
			if (parts.size() < 2) {
				continue;
			}
			parseColorString(wide_to_utf8(parts[1]), color, true);

			// No longer use default color after first escape
			if (use_default) {
				m_default_length = m_string.size();
				use_default = false;
			}
		} else if (parts[0] == L"b") {
			if (parts.size() < 2) {
				continue;
			}
			parseColorString(wide_to_utf8(parts[1]), m_background, true);
			m_has_background = true;
		}
	}

	// Update if no escape character was found
	if (use_default)
		m_default_length = m_string.size();
}

void EnrichedString::addChar(const EnrichedString &source, size_t i)
{
	m_string += source.m_string[i];
	m_colors.m_trigger_interval(trigger_interval),
		m_trigger_chance(trigger_chance)
	{
	}
	virtual std::set<std::string> getTriggerContents()
	{
		return m_trigger_contents;
	}
	virtual std::set<std::string> getRequiredNeighbors()
	{
		return m_required_neighbors;
	}
	virtual float getTriggerInterval()
	{
		return m_trigger_interval;
	}
	virtual u32 getTriggerChance()
	{
		return m_trigger_chance;
	}
	virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
			u32 active_object_count, u32 active_object_count_wider);
};

#endif /* L_ENV_H_ */