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authorCraig Robbins <kde.psych@gmail.com>2015-02-27 21:42:00 +1000
committerCraig Robbins <kde.psych@gmail.com>2015-02-27 21:42:00 +1000
commitfdb9140825716be49c99e6a27bb123432b9cb285 (patch)
tree135194642caf50cbe8781e90aa31822949d5f340 /src/json/CMakeLists.txt
parent0f556d0c7f8c98c7209416577aae4fcc0c1c2b32 (diff)
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Change find_surface_nodes_in_area to find_nodes_in_area_under_air
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generated by cgit v1.2.3 (git 2.39.1) at 2025-05-29 18:19:26 +0000
26' href='#n126'>126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 
/*
Minetest
Copyright (C) 2010-2016 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2014-2016 nerzhul, Loic Blot <loic.blot@unix-experience.fr>

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 "remoteplayer.h"
#include <json/json.h>
#include "content_sao.h"
#include "filesys.h"
#include "gamedef.h"
#include "porting.h"  // strlcpy
#include "server.h"
#include "settings.h"
#include "convert_json.h"

/*
	RemotePlayer
*/
// static config cache for remoteplayer
bool RemotePlayer::m_setting_cache_loaded = false;
float RemotePlayer::m_setting_chat_message_limit_per_10sec = 0.0f;
u16 RemotePlayer::m_setting_chat_message_limit_trigger_kick = 0;

RemotePlayer::RemotePlayer(const char *name, IItemDefManager *idef):
	Player(name, idef)
{
	if (!RemotePlayer::m_setting_cache_loaded) {
		RemotePlayer::m_setting_chat_message_limit_per_10sec =
			g_settings->getFloat("chat_message_limit_per_10sec");
		RemotePlayer::m_setting_chat_message_limit_trigger_kick =
			g_settings->getU16("chat_message_limit_trigger_kick");
		RemotePlayer::m_setting_cache_loaded = true;
	}
	movement_acceleration_default   = g_settings->getFloat("movement_acceleration_default")   * BS;
	movement_acceleration_air       = g_settings->getFloat("movement_acceleration_air")       * BS;
	movement_acceleration_fast      = g_settings->getFloat("movement_acceleration_fast")      * BS;
	movement_speed_walk             = g_settings->getFloat("movement_speed_walk")             * BS;
	movement_speed_crouch           = g_settings->getFloat("movement_speed_crouch")           * BS;
	movement_speed_fast             = g_settings->getFloat("movement_speed_fast")             * BS;
	movement_speed_climb            = g_settings->getFloat("movement_speed_climb")            * BS;
	movement_speed_jump             = g_settings->getFloat("movement_speed_jump")             * BS;
	movement_liquid_fluidity        = g_settings->getFloat("movement_liquid_fluidity")        * BS;
	movement_liquid_fluidity_smooth = g_settings->getFloat("movement_liquid_fluidity_smooth") * BS;
	movement_liquid_sink            = g_settings->getFloat("movement_liquid_sink")            * BS;
	movement_gravity                = g_settings->getFloat("movement_gravity")                * BS;

	// copy defaults
	m_cloud_params.density = 0.4f;
	m_cloud_params.color_bright = video::SColor(229, 240, 240, 255);
	m_cloud_params.color_ambient = video::SColor(255, 0, 0, 0);
	m_cloud_params.height = 120.0f;
	m_cloud_params.thickness = 16.0f;
	m_cloud_params.speed = v2f(0.0f, -2.0f);
}

void RemotePlayer::serializeExtraAttributes(std::string &output)
{
	assert(m_sao);
	Json::Value json_root;

	const StringMap &attrs = m_sao->getMeta().getStrings();
	for (const auto &attr : attrs) {
		json_root[attr.first] = attr.second;
	}

	output = fastWriteJson(json_root);

	m_sao->getMeta().setModified(false);
}


void RemotePlayer::deSerialize(std::istream &is, const std::string &playername,
		PlayerSAO *sao)
{
	Settings args;

	if (!args.parseConfigLines(is, "PlayerArgsEnd")) {
		throw SerializationError("PlayerArgsEnd of player " + playername + " not found!");
	}

	m_dirty = true;
	//args.getS32("version"); // Version field value not used
	const std::string &name = args.get("name");
	strlcpy(m_name, name.c_str(), PLAYERNAME_SIZE);

	if (sao) {
		try {
			sao->setHPRaw(args.getS32("hp"));
		} catch(SettingNotFoundException &e) {
			sao->setHPRaw(PLAYER_MAX_HP_DEFAULT);
		}

		try {
			sao->setBasePosition(args.getV3F("position"));
		} catch (SettingNotFoundException &e) {}

		try {
			sao->setPitch(args.getFloat("pitch"));
		} catch (SettingNotFoundException &e) {}
		try {
			sao->setYaw(args.getFloat("yaw"));
		} catch (SettingNotFoundException &e) {}

		try {
			sao->setBreath(args.getS32("breath"), false);
		} catch (SettingNotFoundException &e) {}

		try {
			const std::string &extended_attributes = args.get("extended_attributes");
			std::istringstream iss(extended_attributes);
			Json::CharReaderBuilder builder;
			builder.settings_["collectComments"] = false;
			std::string errs;

			Json::Value attr_root;
			Json::parseFromStream(builder, iss, &attr_root, &errs);

			const Json::Value::Members attr_list = attr_root.getMemberNames();
			for (const auto &it : attr_list) {
				Json::Value attr_value = attr_root[it];
				sao->getMeta().setString(it, attr_value.asString());
			}
			sao->getMeta().setModified(false);
		} catch (SettingNotFoundException &e) {}
	}

	try {
		inventory.deSerialize(is);
	} catch (SerializationError &e) {
		errorstream << "Failed to deserialize player inventory. player_name="
			<< name << " " << e.what() << std::endl;
	}

	if (!inventory.getList("craftpreview") && inventory.getList("craftresult")) {
		// Convert players without craftpreview
		inventory.addList("craftpreview", 1);

		bool craftresult_is_preview = true;
		if(args.exists("craftresult_is_preview"))
			craftresult_is_preview = args.getBool("craftresult_is_preview");
		if(craftresult_is_preview)
		{
			// Clear craftresult
			inventory.getList("craftresult")->changeItem(0, ItemStack());
		}
	}
}

void RemotePlayer::serialize(std::ostream &os)
{
	// Utilize a Settings object for storing values
	Settings args;
	args.setS32("version", 1);
	args.set("name", m_name);

	// This should not happen
	assert(m_sao);
	args.setS32("hp", m_sao->getHP());
	args.setV3F("position", m_sao->getBasePosition());
	args.setFloat("pitch", m_sao->getPitch());
	args.setFloat("yaw", m_sao->getYaw());
	args.setS32("breath", m_sao->getBreath());

	std::string extended_attrs;
	serializeExtraAttributes(extended_attrs);
	args.set("extended_attributes", extended_attrs);

	args.writeLines(os);

	os<<"PlayerArgsEnd\n";

	inventory.serialize(os);
}

const RemotePlayerChatResult RemotePlayer::canSendChatMessage()
{
	// Rate limit messages
	u32 now = time(NULL);
	float time_passed = now - m_last_chat_message_sent;
	m_last_chat_message_sent = now;

	// If this feature is disabled
	if (m_setting_chat_message_limit_per_10sec <= 0.0) {
		return RPLAYER_CHATRESULT_OK;
	}

	m_chat_message_allowance += time_passed * (m_setting_chat_message_limit_per_10sec / 8.0f);
	if (m_chat_message_allowance > m_setting_chat_message_limit_per_10sec) {
		m_chat_message_allowance = m_setting_chat_message_limit_per_10sec;
	}

	if (m_chat_message_allowance < 1.0f) {
		infostream << "Player " << m_name
				<< " chat limited due to excessive message amount." << std::endl;

		// Kick player if flooding is too intensive
		m_message_rate_overhead++;
		if (m_message_rate_overhead > RemotePlayer::m_setting_chat_message_limit_trigger_kick) {
			return RPLAYER_CHATRESULT_KICK;
		}

		return RPLAYER_CHATRESULT_FLOODING;
	}

	// Reinit message overhead
	if (m_message_rate_overhead > 0) {
		m_message_rate_overhead = 0;
	}

	m_chat_message_allowance -= 1.0f;
	return RPLAYER_CHATRESULT_OK;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-29 18:19:26 +0000