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703 lines
26 KiB
C++
703 lines
26 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "stdpch.h"
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//
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#include "game_share/light_cycle.h"
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#include "game_share/time_weather_season/weather_predict.h"
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//
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#include "client_sheets/weather_function_params_sheet.h"
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//
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#include "weather.h"
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#include "weather_manager_client.h"
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#include "weather_setup_client.h"
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#include "precipitation.h"
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#include "continent.h"
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#include "sheet_manager.h"
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#include "sound_manager.h"
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#include "client_cfg.h"
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H_AUTO_DECL(RZ_WeatherManagerClient)
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using namespace NLMISC;
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using namespace std;
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extern NL3D::UScene *Scene;
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extern NL3D::ULandscape *Landscape;
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//================================================================================================
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CWeatherManagerClient::CWeatherManagerClient() : _WindDir(0, 0, 0),
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_WeatherValue(0),
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_ThunderLevel(0),
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_ThunderStrike(false),
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_LastEvalHour(0),
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_LastEvalDay(0),
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_LocalPrecipitationFactor(0.f)
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{
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}
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//================================================================================================
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void CWeatherManagerClient::init()
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{
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// Get the list of the weather setups sheets
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std::vector<CSheetId> result;
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CSheetId::buildIdVector(result, "weather_setup");
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std::vector<const CWeatherSetupSheetBase *> wsSheets;
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std::vector<std::string> wsSheetsNames;
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for(uint k = 0; k < result.size(); ++k)
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{
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CEntitySheet *sheet = SheetMngr.get(result[k]);
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if (sheet && sheet->type() == CEntitySheet::WEATHER_SETUP)
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{
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//nlwarning("Sheet name = %s, weather setup = %s", result[k].toString().c_str(), NLMISC::CStringMapper::unmap((dynamic_cast<CWeatherSetupSheetBase *>(sheet))->SetupName).c_str());
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wsSheetsNames.push_back(result[k].toString());
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wsSheets.push_back(dynamic_cast<CWeatherSetupSheetBase *>(sheet));
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}
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}
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init(wsSheets, wsSheetsNames);
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}
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//================================================================================================
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CWeatherSetup *CWeatherManagerClient::newWeatherSetup() const
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{
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// client version of weather setup
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return new CWeatherSetupClient;
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}
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//================================================================================================
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void CWeatherManagerClient::setupLoaded(CWeatherSetup *setup)
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{
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CWeatherSetupClient *wsc = NLMISC::safe_cast<CWeatherSetupClient *>(setup);
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wsc->WeatherStateClient.setup(setup->WeatherState, _PrecipitationMap);
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}
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//================================================================================================
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void CWeatherManagerClient::init(const std::vector<const CWeatherSetupSheetBase *> &sheets, const std::vector<std::string> &sheetNames)
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{
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CWeatherManager::init(sheets, sheetNames);
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initPrecipitationFXs();
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}
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//================================================================================================
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void CWeatherManagerClient::initPrecipitationFXs()
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{
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CPrecipitationDesc desc;
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for(TPrecipitationMap::iterator it = _PrecipitationMap.begin(); it != _PrecipitationMap.end(); ++it)
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{
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desc.FxName = it->first + ".ps";
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desc.ReleasableModel = true;
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desc.GridSize = 7;
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desc.UseBBoxSize = true;
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it->second.init(desc);
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}
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}
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//================================================================================================
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/** Update a vector of precipitation with the given pos
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*/
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static void updatePrecipitationVect(std::vector<CPrecipitation *> &vect, const NLMISC::CMatrix &camMat, NLPACS::UGlobalRetriever *gr)
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{
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H_AUTO_USE(RZ_WeatherManagerClient)
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for(std::vector<CPrecipitation *>::iterator it = vect.begin(); it != vect.end(); ++it)
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{
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(*it)->update(camMat, gr);
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}
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}
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//================================================================================================
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void CWeatherManagerClient::update(uint64 day, float hour, const CWeatherContext &wc)
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{
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H_AUTO_USE(RZ_WeatherManagerClient)
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// get the weather value for the current date
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nlassert(wc.WFP);
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float weatherValue = ::getBlendedWeather(day, hour, *(wc.WFP), wc.WF);
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// build current weather state
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EGSPD::CSeason::TSeason season = CRyzomTime::getSeasonByDay((uint32)day);
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//
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manualUpdate(day, hour, wc, weatherValue, season);
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_LastEvalHour = hour;
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_LastEvalDay = day;
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}
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//================================================================================================
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void CWeatherManagerClient::update(uint64 day, float hour, const CWeatherContext &wc, const NLMISC::CMatrix &camMat, const CContinent &continent)
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{
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H_AUTO_USE(RZ_WeatherManagerClient)
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// get the weather value for the current date
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nlassert(wc.WFP);
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float weatherValue = ::getBlendedWeather(day, hour, *(wc.WFP), wc.WF);
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// build current weather state
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EGSPD::CSeason::TSeason season = CRyzomTime::getSeasonByDay((uint32)day);
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//
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manualUpdate(day, hour, wc, weatherValue, season, camMat, continent);
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_LastEvalHour = hour;
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_LastEvalDay = day;
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}
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//================================================================================================
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void CWeatherManagerClient::manualUpdate(uint64 day, float hour, const CWeatherContext &wc, float weatherValue, EGSPD::CSeason::TSeason season, const NLMISC::CMatrix &camMat, const CContinent &continent)
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{
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H_AUTO_USE(RZ_WeatherManagerClient)
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if (!wc.WF) return;
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manualUpdate(day, hour, wc, weatherValue, season);
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setupFXs(camMat, wc.GR, continent);
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setupWind(&(wc.WF[season]));
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float scaledWeatherValue = weatherValue * (wc.WF[season].getNumWeatherSetups() - 1);
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updateThunder(day, hour, wc, true, scaledWeatherValue, season);
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_LastEvalHour = hour;
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_LastEvalDay = day;
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// Sound stuff
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if (SoundMngr != 0)
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{
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const CWeatherSetup *floorSetup, *ceilSetup;
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float blendFactor;
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wc.WF[season].getClosestWeatherSetups(scaledWeatherValue, floorSetup, ceilSetup, blendFactor);
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float userVarClouds1 = 0.f;
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float userVarClouds2 = 0.f;
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float userVarStorm = 0.f;
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//
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static TStringId strClouds1 = CStringMapper::map("clouds1");
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static TStringId strClouds2 = CStringMapper::map("clouds2");
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static TStringId strHumidity1 = CStringMapper::map("humidity1");
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static TStringId strHumidity2 = CStringMapper::map("humidity2");
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static TStringId strStorm= CStringMapper::map("storm");
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// contrib from previous setup
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if (_CurrWeatherState.FirstSetupName == strClouds1 ||
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_CurrWeatherState.FirstSetupName == strHumidity1)
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{
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if (floorSetup && !floorSetup->WeatherState.FXInfos.empty() && !floorSetup->WeatherState.FXInfos[0].Name.empty())
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{
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userVarClouds1 += (1.f - _CurrWeatherState.BlendFactor) * _LocalPrecipitationFactor * floorSetup->WeatherState.FXInfos[0].Ratio;
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}
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}
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else
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if (_CurrWeatherState.FirstSetupName == strClouds2 ||
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_CurrWeatherState.FirstSetupName == strHumidity2)
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{
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if (floorSetup && !floorSetup->WeatherState.FXInfos.empty() && !floorSetup->WeatherState.FXInfos[0].Name.empty())
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{
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userVarClouds2 += (1.f - _CurrWeatherState.BlendFactor) * _LocalPrecipitationFactor * floorSetup->WeatherState.FXInfos[0].Ratio;
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}
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}
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else
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if (_CurrWeatherState.FirstSetupName == strStorm)
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{
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if (floorSetup && !floorSetup->WeatherState.FXInfos.empty() && floorSetup->WeatherState.FXInfos[0].Name.empty())
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{
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userVarClouds2 += (1.f - _CurrWeatherState.BlendFactor) * _LocalPrecipitationFactor * floorSetup->WeatherState.FXInfos[0].Ratio;
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}
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userVarStorm += (1.f - _CurrWeatherState.BlendFactor) * _LocalPrecipitationFactor;
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}
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// contrib from next setup
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if (_CurrWeatherState.SecondSetupName == strClouds1 ||
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_CurrWeatherState.SecondSetupName == strHumidity1)
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{
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if (ceilSetup && !ceilSetup->WeatherState.FXInfos.empty() && !ceilSetup->WeatherState.FXInfos[0].Name.empty())
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{
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userVarClouds1 += _CurrWeatherState.BlendFactor * _LocalPrecipitationFactor * ceilSetup->WeatherState.FXInfos[0].Ratio;
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}
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}
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else
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if (_CurrWeatherState.SecondSetupName == strClouds2 ||
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_CurrWeatherState.SecondSetupName == strHumidity2)
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{
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if (ceilSetup && !ceilSetup->WeatherState.FXInfos.empty() && !ceilSetup->WeatherState.FXInfos[0].Name.empty())
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{
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userVarClouds2 += _CurrWeatherState.BlendFactor * _LocalPrecipitationFactor * ceilSetup->WeatherState.FXInfos[0].Ratio;
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}
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}
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else
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if (_CurrWeatherState.SecondSetupName == strStorm)
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{
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if (ceilSetup && !ceilSetup->WeatherState.FXInfos.empty() && !ceilSetup->WeatherState.FXInfos[0].Name.empty())
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{
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userVarClouds2 += _CurrWeatherState.BlendFactor * _LocalPrecipitationFactor * ceilSetup->WeatherState.FXInfos[0].Ratio;
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}
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userVarStorm += _CurrWeatherState.BlendFactor * _LocalPrecipitationFactor;
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}
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// update vars
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SoundMngr->getMixer()->setUserVar(strClouds1, 1.f - (1.f - userVarClouds1) * (1.f - userVarClouds1) * (1.f - userVarClouds1));
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SoundMngr->getMixer()->setUserVar(strClouds2, 1.f - (1.f - userVarClouds2) * (1.f - userVarClouds2) * (1.f - userVarClouds2));
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SoundMngr->getMixer()->setUserVar(strStorm, 1.f - (1.f - userVarStorm) * (1.f - userVarStorm) * (1.f - userVarStorm));
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}
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}
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//================================================================================================
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void CWeatherManagerClient::manualUpdate(uint64 day, float hour, const CWeatherContext &wc, float weatherValue, EGSPD::CSeason::TSeason season)
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{
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H_AUTO_USE(RZ_WeatherManagerClient)
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if (!wc.WF) return;
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_WeatherValue = weatherValue;
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nlassert(season < EGSPD::CSeason::Invalid);
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float scaledWeatherValue = weatherValue * (wc.WF[season].getNumWeatherSetups() - 1);
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const CWeatherSetup *floorSetup, *ceilSetup;
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float blendFactor;
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wc.WF[season].getClosestWeatherSetups(scaledWeatherValue, floorSetup, ceilSetup, blendFactor);
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if (floorSetup && ceilSetup)
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{
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// blend general part
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CWeatherState::blend(_CurrWeatherState, floorSetup->WeatherState, ceilSetup->WeatherState, blendFactor);
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// blend client specific part
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CWeatherStateClient::blend(_CurrWeatherStateClient, safe_cast<const CWeatherSetupClient *>(floorSetup)->WeatherStateClient, safe_cast<const CWeatherSetupClient *>(ceilSetup)->WeatherStateClient, blendFactor);
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}
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_LastEvalHour = hour;
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_LastEvalDay = day;
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}
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//================================================================================================
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void CWeatherManagerClient::setupWind(const CWeatherFunction *wf)
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{
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H_AUTO_USE(RZ_WeatherManagerClient)
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float wi = _CurrWeatherState.WindIntensity;
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NLMISC::clamp(_CurrWeatherState.WindIntensity, 0.f, 1.f);
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// TEMP
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// wind for static & personnal FXs
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NL3D::UParticleSystemInstance::setGlobalUserParamValue("WIND", wi);
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// wind for vegetables
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if (Landscape)
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{
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float vegetWindFreq;
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float vegetBendIntensity;
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float vegetBendOffset;
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if (!wf)
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{
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static const float windBendMin = 0.5f; // static for tests in debug mode
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static const float startWindBendMin = 0.6f;
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vegetWindFreq = 5.f * wi;
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vegetBendIntensity = wi;
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vegetBendOffset = wi < startWindBendMin ? 0.f : windBendMin * (wi - startWindBendMin) / (1.f - startWindBendMin);
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}
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else
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{
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vegetWindFreq = wf->VegetableMinWindFrequency + (wf->VegetableMaxWindFrequency - wf->VegetableMinWindFrequency) * wi;
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vegetBendIntensity = wf->VegetableMinBendIntensity + (wf->VegetableMaxBendIntensity - wf->VegetableMinBendIntensity) * wi;
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if (wi < wf->VegetableWindIntensityThatStartBendOffset)
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{
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vegetBendOffset = 0.f;
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}
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else
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{
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vegetBendOffset = wf->VegetableMaxBendOffset * (wi - wf->VegetableWindIntensityThatStartBendOffset) / (1.f - wf->VegetableWindIntensityThatStartBendOffset);
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}
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}
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Landscape->setVegetableWind(_WindDir, vegetWindFreq, vegetBendIntensity, vegetBendOffset);
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}
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// wind for trees
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if (Scene)
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{
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float windTree;
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if (wf)
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{
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windTree = wf->TreeMinWindIntensity + (wf->TreeMaxWindIntensity - wf->TreeMinWindIntensity) * wi;
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}
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else
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{
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windTree = 0.1f + 0.9f * wi;
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}
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Scene->setGlobalWindPower(windTree);
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}
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}
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//================================================================================================
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void CWeatherManagerClient::setupFXs(const NLMISC::CMatrix &camMat, NLPACS::UGlobalRetriever *gr, const CContinent &continent)
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{
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H_AUTO_USE(RZ_WeatherManagerClient)
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static TPrecipitationVect askedPrecipitations;
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static TPrecipitationVect releasablePrecipitations;
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// Read the precipitation local ratio
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CVector pos = camMat.getPos();
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CRGBAF localNoPrecipitation = continent.FogMap.getMapValue (CFogMapBuild::NoPrecipitation, pos.x, pos.y, CRGBAF(0.f, 0.f, 0.f, 0.f));
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_LocalPrecipitationFactor = 1.f - localNoPrecipitation.R;
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//
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uint numAskedFXs = (uint)_CurrWeatherStateClient.FXs.size();
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askedPrecipitations.resize(numAskedFXs);
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uint k;
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for(k = 0; k < numAskedFXs; ++k)
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{
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askedPrecipitations[k] = _CurrWeatherStateClient.FXs[k].Precipitation;
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_CurrWeatherStateClient.FXs[k].Precipitation->setStrenght (_CurrWeatherStateClient.FXs[k].Ratio * _LocalPrecipitationFactor);
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}
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std::sort(askedPrecipitations.begin(), askedPrecipitations.end()); // sort em for std::set_
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// See which FXs where asked to be removed, but are now needed again (remove them from the waiting/shutting_down list)
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releasablePrecipitations.clear();
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std::set_difference(_WaitingPrecipitations.begin(), _WaitingPrecipitations.end(), askedPrecipitations.begin(), askedPrecipitations.end(), std::back_inserter(releasablePrecipitations));
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/*
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if (!releasablePrecipitations.empty())
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{
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for(uint k = 0; k < releasablePrecipitations.size(); ++k)
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{
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nlinfo("Shutting down precipitation reused : %s", releasablePrecipitations[k]->getDesc().FxName.c_str() );
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}
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}
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*/
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_WaitingPrecipitations.swap(releasablePrecipitations);
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// see which FXs are to be removed
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// NB : we are working on vectors, but they are likely to be very smalls
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releasablePrecipitations.clear();
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std::set_difference(_ActivePrecipitations.begin(), _ActivePrecipitations.end(), askedPrecipitations.begin(), askedPrecipitations.end(), std::back_inserter(releasablePrecipitations));
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//
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for(k = 0; k < releasablePrecipitations.size(); ++k)
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{
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releasablePrecipitations[k]->setStrenght(0);
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}
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/*
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if (!releasablePrecipitations.empty())
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{
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for(uint k = 0; k < releasablePrecipitations.size(); ++k)
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{
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nlinfo("Precipitation put in shutting down list : %s", releasablePrecipitations[k]->getDesc().FxName.c_str() );
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}
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}
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*/
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// put in the waiting precipitation list
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_WaitingPrecipitations.insert(_WaitingPrecipitations.end(), releasablePrecipitations.begin(), releasablePrecipitations.end());
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// set new active FX list
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_ActivePrecipitations.swap(askedPrecipitations);
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// tmp for debug : dump precipitation list if it has changed
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/*
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if (_ActivePrecipitations.size() != askedPrecipitations.size() ||
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!std::equal(_ActivePrecipitations.begin(), _ActivePrecipitations.end(), askedPrecipitations.begin()) )
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{
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for(uint k = 0; k < _ActivePrecipitations.size(); ++k)
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{
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nlinfo("New precipitation list : %s", _ActivePrecipitations[k]->getDesc().FxName.c_str() );
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}
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}
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*/
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// update precipitations
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updatePrecipitationVect(_ActivePrecipitations, camMat, gr);
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// update waiting precipitations
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updatePrecipitationVect(_WaitingPrecipitations, camMat, gr);
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// Remove waiting precipitation that are not running anymore (no more particles)
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TPrecipitationVect::iterator lastValid = std::remove_if(_WaitingPrecipitations.begin(), _WaitingPrecipitations.end(), std::not1(std::mem_fun(&CPrecipitation::isRunning)));
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_WaitingPrecipitations.erase(lastValid, _WaitingPrecipitations.end());
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}
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//================================================================================================
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void CWeatherManagerClient::setWindDir(const NLMISC::CVector &dir)
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{
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H_AUTO_USE(RZ_WeatherManagerClient)
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_WindDir.set(dir.x, dir.y, 0.f);
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_WindDir.normalize();
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NL3D::UParticleSystemInstance::setGlobalVectorValue("WIND", _WindDir);
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}
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//================================================================================================
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void CWeatherManagerClient::computeCloudState(uint64 day, float hour, const CWeatherContext &wc, CCloudState &dest) const
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{
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H_AUTO_USE(RZ_WeatherManagerClient)
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if (!wc.WF)
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{
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dest = CCloudState();
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return;
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}
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nlassert(wc.WFP);
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float weatherValue = ::getBlendedWeather(day, hour, *(wc.WFP), wc.WF);
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// build current weather state
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uint season = CRyzomTime::getSeasonByDay((uint32)day);
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computeCloudState(weatherValue, (EGSPD::CSeason::TSeason) season, dest, wc.WF);
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}
|
|
|
|
//================================================================================================
|
|
void CWeatherManagerClient::computeCloudState(float weatherValue, EGSPD::CSeason::TSeason season, CCloudState &dest, const CWeatherFunction wf[EGSPD::CSeason::Invalid]) const
|
|
{
|
|
H_AUTO_USE(RZ_WeatherManagerClient)
|
|
if (!wf)
|
|
{
|
|
dest = CCloudState();
|
|
return;
|
|
}
|
|
nlassert(season < EGSPD::CSeason::Invalid);
|
|
wf[season].getCloudState(weatherValue * (wf[season].getNumWeatherSetups() - 1), dest);
|
|
}
|
|
|
|
//================================================================================================
|
|
void CWeatherManagerClient::release()
|
|
{
|
|
for(TPrecipitationMap::iterator it = _PrecipitationMap.begin(); it != _PrecipitationMap.end(); ++it)
|
|
{
|
|
it->second.release();
|
|
}
|
|
NLMISC::contReset(_PrecipitationMap);
|
|
NLMISC::contReset(_ActivePrecipitations);
|
|
NLMISC::contReset(_WaitingPrecipitations);
|
|
CWeatherManager::release();
|
|
_CurrWeatherStateClient = CWeatherStateClient();
|
|
}
|
|
|
|
//================================================================================================
|
|
void CWeatherManagerClient::drawPrecipitationClipGrids(NL3D::UDriver &drv) const
|
|
{
|
|
for(TPrecipitationVect::const_iterator it = _ActivePrecipitations.begin(); it != _ActivePrecipitations.end(); ++it)
|
|
{
|
|
(*it)->drawClipGrid(drv);
|
|
}
|
|
}
|
|
|
|
//================================================================================================
|
|
|
|
// alias for the thunder time measure
|
|
typedef CWeatherManagerClient::CThunderTimeMeasure CThunderTime;
|
|
|
|
static inline bool operator == (const CThunderTime &lhs, const CThunderTime &rhs)
|
|
{
|
|
return lhs.Cycle == rhs.Cycle && lhs.SubCycle == rhs.SubCycle;
|
|
}
|
|
|
|
static inline bool operator != (const CThunderTime &lhs, const CThunderTime &rhs)
|
|
{
|
|
return !(lhs == rhs);
|
|
}
|
|
|
|
|
|
/** Eval the thunder function value at the given date
|
|
*/
|
|
static float evalThunderFunction(const CThunderTime &tt)
|
|
{
|
|
H_AUTO_USE(RZ_WeatherManagerClient)
|
|
// cache previous result
|
|
static CThunderTime lastTime;
|
|
static float lastValue;
|
|
if (tt != lastTime)
|
|
{
|
|
CRandom rnd;
|
|
rnd.srand((uint32) (tt.Cycle & 0xFFFFFFFF));
|
|
sint32 dummy = rnd.rand();
|
|
dummy = rnd.rand();
|
|
dummy = rnd.rand();
|
|
float v0 = rnd.frand(1.f);
|
|
rnd.srand((uint32) ((tt.Cycle + 1) & 0xFFFFFFFF));
|
|
dummy = rnd.rand();
|
|
dummy = rnd.rand();
|
|
dummy = rnd.rand();
|
|
float v1 = rnd.frand(1.f);
|
|
lastValue = tt.SubCycle * v1 + (1.f - tt.SubCycle) * v0;
|
|
lastTime = tt;
|
|
}
|
|
return lastValue;
|
|
}
|
|
|
|
/** Convert a day / hour to a CThunderTime
|
|
*/
|
|
static inline void toThunderTime(uint64 day, float hour, CThunderTime &dest, const CWeatherContext &wc)
|
|
{
|
|
H_AUTO_USE(RZ_WeatherManagerClient)
|
|
// convert day part to seconds
|
|
nlassert(wc.LC);
|
|
nlassert(wc.WFP);
|
|
double timeInSeconds = day * (double) wc.LC->RealDayLength + ((double) hour / wc.LC->NumHours) * wc.LC->RealDayLength;
|
|
|
|
// convert date in second to the thunder cycle date
|
|
double cycle = timeInSeconds / wc.WFP->MinThunderPeriod;
|
|
dest.Cycle = (uint64) cycle;
|
|
dest.SubCycle = (float) fmod(cycle, 1);
|
|
}
|
|
|
|
/** Convert CThunderTime cycle number to a day / hour pair
|
|
*/
|
|
static inline void toGlobalTime(uint64 &day, float &hour, uint64 cycle, const CWeatherContext &wc)
|
|
{
|
|
H_AUTO_USE(RZ_WeatherManagerClient)
|
|
nlassert(wc.WFP);
|
|
nlassert(wc.LC);
|
|
// convert to global time in seconds
|
|
double timeInSeconds = cycle * (double) wc.WFP->MinThunderPeriod;
|
|
double dDay;
|
|
dDay = timeInSeconds / wc.LC->RealDayLength;
|
|
day = (uint64) floor(dDay);
|
|
hour = (float) fmod((float)dDay, wc.LC->NumHours);
|
|
}
|
|
|
|
/** Difference between 2 thunder time, expressed in thunder cycles
|
|
*/
|
|
static inline float diff(const CThunderTime &t0, const CThunderTime &t1)
|
|
{
|
|
H_AUTO_USE(RZ_WeatherManagerClient)
|
|
if (t0.Cycle == t1.Cycle) return t1.SubCycle - t0.SubCycle;
|
|
return 1.f - t0.SubCycle + t1.SubCycle + (float) (t1.Cycle - t0.Cycle - 1);
|
|
}
|
|
|
|
/** Add the given number of cycle to a CThunderTime
|
|
*/
|
|
static inline void add(CThunderTime &dest, float duration)
|
|
{
|
|
H_AUTO_USE(RZ_WeatherManagerClient)
|
|
dest.Cycle += (uint64) floorf(duration);
|
|
dest.SubCycle += fmodf(duration, 1.f); // add fractionnal part
|
|
dest.Cycle += (uint64) floorf(dest.SubCycle); // add carry
|
|
dest.SubCycle = fmodf(dest.SubCycle, 1.f);
|
|
}
|
|
|
|
// blend between 2 thunder times
|
|
static inline void blend(CThunderTime &dest, const CThunderTime &t0, const CThunderTime &t1, float blendFactor)
|
|
{
|
|
H_AUTO_USE(RZ_WeatherManagerClient)
|
|
dest = t0;
|
|
add(dest, blendFactor * diff(t0, t1));
|
|
}
|
|
|
|
//================================================================================================
|
|
/** Generate a new thunder strike if the weather function goes over the threshold
|
|
* \return true if a strike wa generated
|
|
*/
|
|
bool CWeatherManagerClient::updateThunderState(CThunderTime &t0, CThunderTime &t1, float thunderThreshold)
|
|
{
|
|
H_AUTO_USE(RZ_WeatherManagerClient)
|
|
float thunderValue0 = evalThunderFunction(t0);
|
|
float thunderValue1 = evalThunderFunction(t1);
|
|
if (thunderValue0 <= thunderThreshold && thunderValue1 > thunderThreshold)
|
|
{
|
|
// The value went over the threshold -> generate a thunder strike
|
|
// See at which date the strike started exactly
|
|
float blendFactor = (thunderThreshold - thunderValue0) / (thunderValue1 - thunderValue0);
|
|
// set the strike date
|
|
blend(_ThunderStrikeDate, t0, t1, blendFactor);
|
|
_ThunderStrike = true;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//================================================================================================
|
|
void CWeatherManagerClient::updateThunder(uint64 day, float hour, const CWeatherContext &wc, bool manual, float manualWeatherValue, EGSPD::CSeason::TSeason manualSeason)
|
|
{
|
|
H_AUTO_USE(RZ_WeatherManagerClient)
|
|
// we use a random function that trigger thunder.
|
|
// A thunder strike happens when the function is above of a threshold.
|
|
// The function needs to get back below the threshold before another thunder strike can happen
|
|
|
|
// first, build the 2 dates between which we should evaluate the thunder value;
|
|
CThunderTime t0;
|
|
CThunderTime t1;
|
|
|
|
|
|
float manualThunderThreshold = 0.f;
|
|
if (manual)
|
|
{
|
|
if (wc.WF)
|
|
{
|
|
manualThunderThreshold = 1.f - 0.5f * wc.WF[manualSeason].getThunderIntensity(manualWeatherValue);
|
|
}
|
|
else
|
|
{
|
|
manualThunderThreshold = 0.5f;
|
|
}
|
|
}
|
|
|
|
|
|
toThunderTime(_LastEvalDay, _LastEvalHour, t0, wc); // start date
|
|
toThunderTime(day, hour, t1, wc); // end date
|
|
|
|
if (diff(t0, t1) > 1) // we don't need to look further that 1 thunder cycle to the past, because there can be only one thunder strike every other cycles.
|
|
{
|
|
t0.Cycle = t1.Cycle - 1;
|
|
t0.SubCycle = t1.SubCycle;
|
|
}
|
|
|
|
if (t0.Cycle == t1.Cycle) // we stay in the same cycle, so the function is linear
|
|
{
|
|
float threshold = manual ? manualThunderThreshold : getThunderThreshold(t0.Cycle, wc);
|
|
updateThunderState(t0, t1, threshold);
|
|
}
|
|
else
|
|
{
|
|
// Change of thunder cycle between the 2 dates
|
|
CThunderTime middleTime;
|
|
middleTime.Cycle = t1.Cycle;
|
|
middleTime.SubCycle = 0.f;
|
|
float threshold = manual ? manualThunderThreshold : getThunderThreshold(t0.Cycle,wc);
|
|
bool strike = updateThunderState(t0, middleTime, threshold); // eval end of previous cycle
|
|
if (!strike) // we are sure there won't be another strike during the next cycle
|
|
{
|
|
threshold = manual ? manualThunderThreshold : getThunderThreshold(t1.Cycle,wc);
|
|
updateThunderState(middleTime, t1, threshold); // eval start of current cycle
|
|
}
|
|
}
|
|
|
|
// update the thunder value
|
|
nlassert(wc.WFP);
|
|
if (_ThunderStrike)
|
|
{
|
|
// if too much time has ellapsed since the last thunder strike, disable it
|
|
float timeEllapsedSinceStrike = diff(_ThunderStrikeDate, t1) * wc.WFP->MinThunderPeriod ;
|
|
if (timeEllapsedSinceStrike >= wc.WFP->ThunderLength)
|
|
{
|
|
_ThunderStrike = false;
|
|
_ThunderLevel = 0.f;
|
|
}
|
|
else
|
|
{
|
|
_ThunderLevel = wc.WFP->ThunderLength != 0.f ? 1.f - (timeEllapsedSinceStrike / wc.WFP->ThunderLength)
|
|
: 0.f;
|
|
}
|
|
}
|
|
}
|
|
|
|
//================================================================================================
|
|
float CWeatherManagerClient::getThunderIntensity(uint64 day, float hour, const CWeatherContext &wc)
|
|
{
|
|
H_AUTO_USE(RZ_WeatherManagerClient)
|
|
if (!wc.WF) return 0.f;
|
|
nlassert(wc.WFP);
|
|
float weatherValue = ::getBlendedWeather(day, hour, *(wc.WFP), wc.WF);
|
|
uint season = CRyzomTime::getSeasonByDay((uint32)day);
|
|
return wc.WF[season].getThunderIntensity(weatherValue * (wc.WF[season].getNumWeatherSetups() - 1));
|
|
}
|
|
|
|
//================================================================================================
|
|
float CWeatherManagerClient::getThunderThreshold(uint64 thunderCycle, const CWeatherContext &wc)
|
|
{
|
|
H_AUTO_USE(RZ_WeatherManagerClient)
|
|
// convert the thunder cycle to a day / hour pair
|
|
uint64 day;
|
|
float hour;
|
|
toGlobalTime(day, hour, thunderCycle, wc);
|
|
return 1.f - 0.5f * getThunderIntensity(day, hour, wc);
|
|
}
|
|
|
|
// ***************************************************************************
|
|
|
|
CWeatherContext::CWeatherContext ()
|
|
{
|
|
H_AUTO_USE(RZ_WeatherManagerClient)
|
|
if (WeatherFunctionParams == NULL) WeatherFunctionParams = new CWeatherFunctionParamsSheet;
|
|
WFP = WeatherFunctionParams;
|
|
LC = &WorldLightCycle;
|
|
WF = NULL;
|
|
GR = NULL;
|
|
}
|
|
|
|
// ***************************************************************************
|