WeatherMgr.cpp

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/*
* This file is part of Project SkyFire https://www.projectskyfire.org.
* See LICENSE.md file for Copyright information
*/

 
#include "AutoPtr.h"
#include "Log.h"
#include "ObjectMgr.h"
#include "Opcodes.h"
#include "Player.h"
#include "Weather.h"
#include "WeatherMgr.h"
#include "WorldPacket.h"
#include "WorldSession.h"
 
namespace WeatherMgr
{
    namespace
    {
        typedef UNORDERED_MAP<uint32, Skyfire::AutoPtr<Weather, Skyfire::NullMutex> > WeatherMap;
        typedef UNORDERED_MAP<uint32, WeatherData> WeatherZoneMap;
 
        WeatherMap m_weathers;
        WeatherZoneMap mWeatherZoneMap;
 
        WeatherData const* GetWeatherData(uint32 zone_id)
        {
            WeatherZoneMap::const_iterator itr = mWeatherZoneMap.find(zone_id);
            return (itr != mWeatherZoneMap.end()) ? &itr->second : NULL;
        }
    }

    Weather* FindWeather(uint32 id)
    {
        WeatherMap::const_iterator itr = m_weathers.find(id);
        return (itr != m_weathers.end()) ? itr->second.get() : 0;
    }

    void RemoveWeather(uint32 id)
    {
        // not called at the moment. Kept for completeness
        WeatherMap::iterator itr = m_weathers.find(id);
 
        if (itr != m_weathers.end())
            m_weathers.erase(itr);
    }

    Weather* AddWeather(uint32 zone_id)
    {
        WeatherData const* weatherChances = GetWeatherData(zone_id);
 
        // zone does not have weather, ignore
        if (!weatherChances)
            return NULL;
 
        Weather* w = new Weather(zone_id, weatherChances);
        m_weathers[w->GetZone()].reset(w);
        w->ReGenerate();
        w->UpdateWeather();
 
        return w;
    }
 
    void LoadWeatherData()
    {
        uint32 oldMSTime = getMSTime();
 
        uint32 count = 0;
 
        QueryResult result = WorldDatabase.Query("SELECT "
            "zone, spring_rain_chance, spring_snow_chance, spring_storm_chance,"
            "summer_rain_chance, summer_snow_chance, summer_storm_chance,"
            "fall_rain_chance, fall_snow_chance, fall_storm_chance,"
            "winter_rain_chance, winter_snow_chance, winter_storm_chance,"
            "ScriptName FROM game_weather");
 
        if (!result)
        {
            SF_LOG_ERROR("server.loading", ">> Loaded 0 weather definitions. DB table `game_weather` is empty.");
            return;
        }
 
        do
        {
            Field* fields = result->Fetch();
 
            uint32 zone_id = fields[0].GetUInt32();
 
            WeatherData& wzc = mWeatherZoneMap[zone_id];
 
            for (uint8 season = 0; season < WEATHER_SEASONS; ++season)
            {
                wzc.data[season].rainChance = fields[season * (MAX_WEATHER_TYPE - 1) + 1].GetUInt8();
                wzc.data[season].snowChance = fields[season * (MAX_WEATHER_TYPE - 1) + 2].GetUInt8();
                wzc.data[season].stormChance = fields[season * (MAX_WEATHER_TYPE - 1) + 3].GetUInt8();
 
                if (wzc.data[season].rainChance > 100)
                {
                    wzc.data[season].rainChance = 25;
                    SF_LOG_ERROR("sql.sql", "Weather for zone %u season %u has wrong rain chance > 100%%", zone_id, season);
                }
 
                if (wzc.data[season].snowChance > 100)
                {
                    wzc.data[season].snowChance = 25;
                    SF_LOG_ERROR("sql.sql", "Weather for zone %u season %u has wrong snow chance > 100%%", zone_id, season);
                }
 
                if (wzc.data[season].stormChance > 100)
                {
                    wzc.data[season].stormChance = 25;
                    SF_LOG_ERROR("sql.sql", "Weather for zone %u season %u has wrong storm chance > 100%%", zone_id, season);
                }
            }
 
            wzc.ScriptId = sObjectMgr->GetScriptId(fields[13].GetCString());
 
            ++count;
        } while (result->NextRow());
 
        SF_LOG_INFO("server.loading", ">> Loaded %u weather definitions in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
    }
 
    void SendFineWeatherUpdateToPlayer(Player* player)
    {
        WorldPacket data(SMSG_WEATHER, 4 + 4 + 1);
        data << (uint32)WEATHER_STATE_FINE; // WeatherID
        data << float(0.0f);                // Intensity
        data.WriteBit(false);               // Abrupt
        data.FlushBits();
        player->GetSession()->SendPacket(&data);
    }
 
    void Update(uint32 diff)
    {
        WeatherMap::iterator itr, next;
        for (itr = m_weathers.begin(); itr != m_weathers.end(); itr = next)
        {
            next = itr;
            ++next;

            // As interval > WorldTick
            if (!itr->second->Update(diff))
                m_weathers.erase(itr);
        }
    }
 
} // namespace