Added support for reading and setting the weather.

Signed-off-by: Mike Stewart <thewonderiidot@gmail.com>

data/Memory-ng.xml

@@ -1032,6 +1032,7 @@
             <Group name="World">
                 <Address name="current_tick" description="Current time of the year" />
                 <Address name="current_year" description="Current year" />
+				<Address name="current_weather" description="Single byte, 0=clear, 1=raining, 2=snowing" />
             </Group>
         </Offsets>
     </Base>
@@ -1595,6 +1596,9 @@
             <Group name="Position">
                 <Address name="screen_tiles_pointer" value="0x18313D0" />
             </Group>
+			<Group name="World">
+				<Address name="current_weather" value="0x14BCDEE" />
+			</Group>
         </Offsets>
     </Version>
 

library/include/dfhack-c/modules/World_C.h

@@ -40,6 +40,9 @@ DFHACK_EXPORT int World_ReadCurrentYear(DFHackObject* world, uint32_t* year);
 DFHACK_EXPORT int World_ReadCurrentMonth(DFHackObject* world, uint32_t* month);
 DFHACK_EXPORT int World_ReadCurrentDay(DFHackObject* world, uint32_t* day);
 
+DFHACK_EXPORT int World_ReadCurrentWeather(DFHackObject* world, uint8_t* weather);
+DFHACK_EXPORT int World_WriteCurrentWeather(DFHackObject* world, uint8_t weather);
+
 #ifdef __cplusplus
 }
 #endif

library/include/dfhack/modules/World.h

@@ -9,6 +9,12 @@
 
 namespace DFHack
 {
+    enum WeatherType
+    {
+        CLEAR,
+        RAINING,
+        SNOWING
+    };
     class DFContextShared;
     class DFHACK_EXPORT World : public Module
     {
@@ -23,6 +29,8 @@ namespace DFHack
         uint32_t ReadCurrentYear();
         uint32_t ReadCurrentMonth();
         uint32_t ReadCurrentDay();
+        uint8_t ReadCurrentWeather();
+        void SetCurrentWeather(uint8_t weather);
 
         private:
         struct Private;

library/modules/World.cpp

@@ -49,6 +49,7 @@ struct World::Private
     bool Started;
     uint32_t year_offset;
     uint32_t tick_offset;
+    uint32_t weather_offset;
     DFContextShared *d;
     Process * owner;
 };
@@ -63,6 +64,7 @@ World::World(DFContextShared * _d)
     OffsetGroup * OG_World = d->d->offset_descriptor->getGroup("World");
     d->year_offset = OG_World->getAddress( "current_year" );
     d->tick_offset = OG_World->getAddress( "current_tick" );
+    d->weather_offset = OG_World->getAddress( "current_weather" );
     d->Inited = d->Started = true;
 }
 
@@ -114,3 +116,16 @@ uint32_t World::ReadCurrentDay()
 {
     return ((this->ReadCurrentTick() / 1200) % 28) + 1;
 }
+
+uint8_t World::ReadCurrentWeather()
+{
+    if (d->Inited)
+        return(d->owner->readByte(d->weather_offset));
+    return 0;
+}
+
+void World::SetCurrentWeather(uint8_t weather)
+{
+    if (d->Inited)
+        d->owner->writeByte(d->weather_offset,weather);
+}

library/modules/World_C.cpp

@@ -100,6 +100,28 @@ int World_ReadCurrentDay(DFHackObject* world, uint32_t* day)
 	return -1;
 }
 
+int World_ReadCurrentWeather(DFHackObject* world, uint8_t* weather)
+{
+    if(world != NULL)
+    {
+        *weather = ((DFHack::World*)world)->ReadCurrentWeather();
+        return 1;
+    }
+
+    return -1;
+}
+
+int World_WriteCurrentWeather(DFHackObject* world, uint8_t weather)
+{
+    if (world != NULL)
+    {
+        ((DFHack::World*)world)->SetCurrentWeather(weather);
+        return 1;
+    }
+
+    return -1;
+}
+
 #ifdef __cplusplus
 }
 #endif