implemented GetCurrentWeather script function

apps/openmw/mwscript/docs/vmformat.txt

@@ -119,4 +119,5 @@ op 0x200013b: twf
 op 0x200013c: FadeIn
 op 0x200013d: FadeOut
 op 0x200013e: FadeTo
-opcodes 0x200013f-0x3ffffff unused
+op 0x200013f: GetCurrentWeather
+opcodes 0x2000140-0x3ffffff unused

apps/openmw/mwscript/skyextensions.cpp

@@ -80,11 +80,25 @@ namespace MWScript
                 }
         };
         
+        class OpGetCurrentWeather : public Interpreter::Opcode0
+        {
+            public:
+                
+                virtual void execute (Interpreter::Runtime& runtime)
+                {
+                    InterpreterContext& context =
+                        static_cast<InterpreterContext&> (runtime.getContext());
+                    
+                    runtime.push (context.getWorld().getCurrentWeather());
+                }
+        };
+
         const int opcodeToggleSky = 0x2000021;
         const int opcodeTurnMoonWhite = 0x2000022;
         const int opcodeTurnMoonRed = 0x2000023;
         const int opcodeGetMasserPhase = 0x2000024;
         const int opcodeGetSecundaPhase = 0x2000025;
+        const int opcodeGetCurrentWeather = 0x200013f;
 
         void registerExtensions (Compiler::Extensions& extensions)
         {
@@ -94,6 +108,7 @@ namespace MWScript
             extensions.registerInstruction ("turnmoonred", "", opcodeTurnMoonRed);
             extensions.registerFunction ("getmasserphase", 'l', "", opcodeGetMasserPhase);
             extensions.registerFunction ("getsecundaphase", 'l', "", opcodeGetSecundaPhase);
+            extensions.registerFunction ("getcurrentweather", 'l', "", opcodeGetCurrentWeather);
         }
 
         void installOpcodes (Interpreter::Interpreter& interpreter)
@@ -103,6 +118,7 @@ namespace MWScript
             interpreter.installSegment5 (opcodeTurnMoonRed, new OpTurnMoonRed);
             interpreter.installSegment5 (opcodeGetMasserPhase, new OpGetMasserPhase);
             interpreter.installSegment5 (opcodeGetSecundaPhase, new OpGetSecundaPhase);
+            interpreter.installSegment5 (opcodeGetCurrentWeather, new OpGetCurrentWeather);
         }
     }
 }

apps/openmw/mwworld/weather.cpp

@@ -316,6 +316,9 @@ WeatherManager::WeatherManager(MWRender::RenderingManager* rendering, Environmen
     mWeatherSettings["blizzard"] = blizzard;
     
     setWeather("foggy", true);
+    
+    //                        const ESM::Region *region =
+     //                       context.getWorld().getStore().regions.find (cell->region);
 }
 
 void WeatherManager::setWeather(const String& weather, bool instant)
@@ -661,3 +664,32 @@ 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
+    
+    if (mCurrentWeather == "clear")
+        return 0;
+    else if (mCurrentWeather == "cloudy")
+        return 1;
+    else if (mCurrentWeather == "foggy")
+        return 2;
+    else if (mCurrentWeather == "overcast")
+        return 3;
+    else if (mCurrentWeather == "rain")
+        return 4;
+    else if (mCurrentWeather == "thunder")
+        return 5;
+    else if (mCurrentWeather == "ashstorm")
+        return 6;
+    else if (mCurrentWeather == "blight")
+        return 7;
+    else if (mCurrentWeather == "snow")
+        return 8;
+    else if (mCurrentWeather == "blizzard")
+        return 9;
+    
+    else
+        return 0;
+}

apps/openmw/mwworld/weather.hpp

@@ -233,6 +233,8 @@ namespace MWWorld
         
         void setDate(const int day, const int month);
         
+        unsigned int getWeatherID() const;
+        
     private:
         float mHour;
         int mDay, mMonth;

apps/openmw/mwworld/world.cpp

@@ -736,6 +736,11 @@ namespace MWWorld
         return false;
     }
     
+    int World::getCurrentWeather() const
+    {
+        return mWeatherManager->getWeatherID();
+    }
+    
     OEngine::Render::Fader* World::getFader()
     {
         return mRendering->getFader();

apps/openmw/mwworld/world.hpp

@@ -164,6 +164,8 @@ namespace MWWorld
             bool toggleSky();
             ///< \return Resulting mode
             
+            int getCurrentWeather() const;
+
             int getMasserPhase() const;
 
             int getSecundaPhase() const;