Merge remote-tracking branch 'slothlife/weather_save'

apps/openmw/mwstate/statemanagerimp.cpp

@@ -266,6 +266,7 @@ void MWState::StateManager::loadGame (const Character *character, const Slot *sl
                 case ESM::REC_GLOB:
                 case ESM::REC_PLAY:
                 case ESM::REC_CSTA:
+                case ESM::REC_WTHR:
 
                     MWBase::Environment::get().getWorld()->readRecord (reader, n.val, contentFileMap);
                     break;

apps/openmw/mwworld/weather.cpp

@@ -1,5 +1,7 @@
 #include "weather.hpp"
 
+#include <components/esm/weatherstate.hpp>
+
 #include "../mwbase/environment.hpp"
 #include "../mwbase/world.hpp"
 #include "../mwbase/soundmanager.hpp"
@@ -91,8 +93,7 @@ WeatherManager::WeatherManager(MWRender::RenderingManager* rendering,MWWorld::Fa
      mHour(14), mCurrentWeather("clear"), mNextWeather(""), mFirstUpdate(true),
      mWeatherUpdateTime(0), mThunderFlash(0), mThunderChance(0),
      mThunderChanceNeeded(50), mThunderSoundDelay(0), mRemainingTransitionTime(0),
-     mMonth(0), mDay(0), mTimePassed(0), mFallback(fallback), mWindSpeed(0.f),
-     mRendering(rendering)
+     mTimePassed(0), mFallback(fallback), mWindSpeed(0.f), mRendering(rendering)
 {
     //Globals
     mThunderSoundID0 = mFallback->getFallbackString("Weather_Thunderstorm_Thunder_Sound_ID_0");
@@ -530,7 +531,7 @@ void WeatherManager::stopSounds(bool stopAll)
     }
 }
 
-Ogre::String WeatherManager::nextWeather(const ESM::Region* region) const
+std::string WeatherManager::nextWeather(const ESM::Region* region) const
 {
     std::vector<char> probability;
 
@@ -599,12 +600,6 @@ void WeatherManager::setHour(const float hour)
     mHour = hour;
 }
 
-void WeatherManager::setDate(const int day, const int month)
-{
-    mDay = day;
-    mMonth = month;
-}
-
 unsigned int WeatherManager::getWeatherID() const
 {
     // Source: http://www.uesp.net/wiki/Tes3Mod:GetCurrentWeather
@@ -691,6 +686,55 @@ bool WeatherManager::isDark() const
     return exterior && (mHour < mSunriseTime || mHour > mNightStart - 1);
 }
 
+void WeatherManager::write(ESM::ESMWriter& writer)
+{
+    ESM::WeatherState state;
+    state.mHour = mHour;
+    state.mWindSpeed = mWindSpeed;
+    state.mCurrentWeather = mCurrentWeather;
+    state.mNextWeather = mNextWeather;
+    state.mCurrentRegion = mCurrentRegion;
+    state.mFirstUpdate = mFirstUpdate;
+    state.mRemainingTransitionTime = mRemainingTransitionTime;
+    state.mTimePassed = mTimePassed;
+
+    writer.startRecord(ESM::REC_WTHR);
+    state.save(writer);
+    writer.endRecord(ESM::REC_WTHR);
+}
+
+bool WeatherManager::readRecord(ESM::ESMReader& reader, int32_t type)
+{
+    if(ESM::REC_WTHR == type)
+    {
+        // load first so that if it fails, we haven't accidentally reset the state below
+        ESM::WeatherState state;
+        state.load(reader);
+
+        // reset other temporary state, now that we loaded successfully
+        stopSounds(true); // let's hope this never throws
+        mRegionOverrides.clear();
+        mRegionMods.clear();
+        mThunderFlash = 0.0;
+        mThunderChance = 0.0;
+        mThunderChanceNeeded = 50.0;
+
+        // swap in the loaded values now that we can't fail
+        mHour = state.mHour;
+        mWindSpeed = state.mWindSpeed;
+        mCurrentWeather.swap(state.mCurrentWeather);
+        mNextWeather.swap(state.mNextWeather);
+        mCurrentRegion.swap(state.mCurrentRegion);
+        mFirstUpdate = state.mFirstUpdate;
+        mRemainingTransitionTime = state.mRemainingTransitionTime;
+        mTimePassed = state.mTimePassed;
+
+        return true;
+    }
+
+    return false;
+}
+
 void WeatherManager::switchToNextWeather(bool instantly)
 {
     MWBase::World* world = MWBase::Environment::get().getWorld();

apps/openmw/mwworld/weather.hpp

@@ -1,12 +1,16 @@
 #ifndef GAME_MWWORLD_WEATHER_H
 #define GAME_MWWORLD_WEATHER_H
 
-#include <OgreString.h>
+#include <stdint.h>
+#include <string>
+
 #include <OgreColourValue.h>
 
 namespace ESM
 {
     struct Region;
+    class ESMWriter;
+    class ESMReader;
 }
 
 namespace MWRender
@@ -21,8 +25,8 @@ namespace MWWorld
     /// Defines the actual weather that results from weather setting (see below), time of day and weather transition
     struct WeatherResult
     {
-        Ogre::String mCloudTexture;
-        Ogre::String mNextCloudTexture;
+        std::string mCloudTexture;
+        std::string mNextCloudTexture;
         float mCloudBlendFactor;
 
         Ogre::ColourValue mFogColor;
@@ -48,14 +52,14 @@ namespace MWWorld
         bool mNight; // use night skybox
         float mNightFade; // fading factor for night skybox
 
-        Ogre::String mAmbientLoopSoundID;
+        std::string mAmbientLoopSoundID;
     };
 
 
     /// Defines a single weather setting (according to INI)
     struct Weather
     {
-        Ogre::String mCloudTexture;
+        std::string mCloudTexture;
 
         // Sky (atmosphere) colors
         Ogre::ColourValue   mSkySunriseColor,
@@ -105,10 +109,10 @@ namespace MWWorld
 
         // Sound effect
         // This is used for Blight, Ashstorm and Blizzard (Bloodmoon)
-        Ogre::String mAmbientLoopSoundID;
+        std::string mAmbientLoopSoundID;
 
         // Rain sound effect
-        Ogre::String mRainLoopSoundID;
+        std::string mRainLoopSoundID;
 
         /// \todo disease chance
     };
@@ -142,8 +146,6 @@ namespace MWWorld
 
         float getWindSpeed() const;
 
-        void setDate(const int day, const int month);
-
         void advanceTime(double hours)
         {
             mTimePassed += hours*3600;
@@ -156,22 +158,25 @@ namespace MWWorld
         /// @see World::isDark
         bool isDark() const;
 
+        void write(ESM::ESMWriter& writer);
+
+        bool readRecord(ESM::ESMReader& reader, int32_t type);
+
     private:
         float mHour;
-        int mDay, mMonth;
         float mWindSpeed;
         MWWorld::Fallback* mFallback;
         void setFallbackWeather(Weather& weather,const std::string& name);
         MWRender::RenderingManager* mRendering;
 
-        std::map<Ogre::String, Weather> mWeatherSettings;
+        std::map<std::string, Weather> mWeatherSettings;
 
         std::map<std::string, std::string> mRegionOverrides;
 
         std::vector<std::string> mSoundsPlaying;
 
-        Ogre::String mCurrentWeather;
-        Ogre::String mNextWeather;
+        std::string mCurrentWeather;
+        std::string mNextWeather;
 
         std::string mCurrentRegion;
 
@@ -186,13 +191,13 @@ namespace MWWorld
         double mTimePassed; // time passed since last update
 
         void transition(const float factor);
-        void setResult(const Ogre::String& weatherType);
+        void setResult(const std::string& weatherType);
 
         float calculateHourFade (const std::string& moonName) const;
         float calculateAngleFade (const std::string& moonName, float angle) const;
 
-        void setWeather(const Ogre::String& weatherType, bool instant=false);
-        Ogre::String nextWeather(const ESM::Region* region) const;
+        void setWeather(const std::string& weatherType, bool instant=false);
+        std::string nextWeather(const ESM::Region* region) const;
         WeatherResult mResult;
 
         typedef std::map<std::string,std::vector<char> > RegionModMap;

apps/openmw/mwworld/worldimp.cpp

@@ -279,6 +279,7 @@ namespace MWWorld
         mGlobalVariables.write (writer);
         mCells.write (writer);
         mPlayer->write (writer);
+        mWeatherManager->write (writer);
     }
 
     void World::readRecord (ESM::ESMReader& reader, int32_t type,
@@ -287,6 +288,7 @@ namespace MWWorld
         if (!mStore.readRecord (reader, type) &&
             !mGlobalVariables.readRecord (reader, type) &&
             !mPlayer->readRecord (reader, type) &&
+            !mWeatherManager->readRecord (reader, type) &&
             !mCells.readRecord (reader, type, contentFileMap))
         {
             throw std::runtime_error ("unknown record in saved game");
@@ -680,8 +682,6 @@ namespace MWWorld
         mGlobalVariables["month"].setInteger (month);
 
         mRendering->skySetDate (day, month);
-
-        mWeatherManager->setDate (day, month);
     }
 
     void World::setMonth (int month)

components/CMakeLists.txt

@@ -45,7 +45,7 @@ add_component_dir (esm
     loadnpc loadpgrd loadrace loadregn loadscpt loadskil loadsndg loadsoun loadspel loadsscr loadstat
     loadweap records aipackage effectlist spelllist variant variantimp loadtes3 cellref filter
     savedgame journalentry queststate locals globalscript player objectstate cellid cellstate globalmap lightstate inventorystate containerstate npcstate creaturestate dialoguestate statstate
-    npcstats creaturestats
+    npcstats creaturestats weatherstate
     )
 
 add_component_dir (misc

components/esm/defs.hpp

@@ -92,6 +92,7 @@ enum RecNameInts
     REC_CSTA = 0x41545343,
     REC_GMAP = 0x50414d47,
     REC_DIAS = 0x53414944,
+    REC_WTHR = 0x52485457,
 
     // format 1
     REC_FILT = 0x544C4946

components/esm/weatherstate.cpp

@@ -0,0 +1,59 @@
+#include "weatherstate.hpp"
+
+#include "esmreader.hpp"
+#include "esmwriter.hpp"
+
+namespace
+{
+    const char* hourRecord                    = "HOUR";
+    const char* windSpeedRecord               = "WNSP";
+    const char* currentWeatherRecord          = "CWTH";
+    const char* nextWeatherRecord             = "NWTH";
+    const char* currentRegionRecord           = "CREG";
+    const char* firstUpdateRecord             = "FUPD";
+    const char* remainingTransitionTimeRecord = "RTTM";
+    const char* timePassedRecord              = "TMPS";
+}
+
+namespace ESM
+{
+    void WeatherState::load(ESMReader& esm)
+    {
+        // store values locally so that a failed load can't leave the state half set
+        float newHour = 0.0;
+        esm.getHNT(newHour, hourRecord);
+        float newWindSpeed = 0.0;
+        esm.getHNT(newWindSpeed, windSpeedRecord);
+        std::string newCurrentWeather = esm.getHNString(currentWeatherRecord);
+        std::string newNextWeather = esm.getHNString(nextWeatherRecord);
+        std::string newCurrentRegion = esm.getHNString(currentRegionRecord);
+        bool newFirstUpdate = false;
+        esm.getHNT(newFirstUpdate, firstUpdateRecord);
+        float newRemainingTransitionTime = 0.0;
+        esm.getHNT(newRemainingTransitionTime, remainingTransitionTimeRecord);
+        double newTimePassed = 0.0;
+        esm.getHNT(newTimePassed, timePassedRecord);
+
+        // swap values now that it is safe to do so
+        mHour = newHour;
+        mWindSpeed = newWindSpeed;
+        mCurrentWeather.swap(newCurrentWeather);
+        mNextWeather.swap(newNextWeather);
+        mCurrentRegion.swap(newCurrentRegion);
+        mFirstUpdate = newFirstUpdate;
+        mRemainingTransitionTime = newRemainingTransitionTime;
+        mTimePassed = newTimePassed;
+    }
+
+    void WeatherState::save(ESMWriter& esm) const
+    {
+        esm.writeHNT(hourRecord, mHour);
+        esm.writeHNT(windSpeedRecord, mWindSpeed);
+        esm.writeHNCString(currentWeatherRecord, mCurrentWeather.c_str());
+        esm.writeHNCString(nextWeatherRecord, mNextWeather.c_str());
+        esm.writeHNCString(currentRegionRecord, mCurrentRegion.c_str());
+        esm.writeHNT(firstUpdateRecord, mFirstUpdate);
+        esm.writeHNT(remainingTransitionTimeRecord, mRemainingTransitionTime);
+        esm.writeHNT(timePassedRecord, mTimePassed);
+    }
+}

components/esm/weatherstate.hpp

@@ -0,0 +1,27 @@
+#ifndef OPENMW_ESM_WEATHERSTATE_H
+#define OPENMW_ESM_WEATHERSTATE_H
+
+#include <string>
+
+namespace ESM
+{
+    class ESMReader;
+    class ESMWriter;
+
+    struct WeatherState
+    {
+        float mHour;
+        float mWindSpeed;
+        std::string mCurrentWeather;
+        std::string mNextWeather;
+        std::string mCurrentRegion;
+        bool mFirstUpdate;
+        float mRemainingTransitionTime;
+        double mTimePassed;
+
+        void load(ESMReader& esm);
+        void save(ESMWriter& esm) const;
+    };
+}
+
+#endif