Implemented SetActualDancePoints & SetPossibleDancePoints (#1527)

* Implemented Dance Point setting

Methods added:
SetPossibleDancePoints
SetActualDancePoints

* Update luadocs to reflect changes

* Fix possible divide by zero

* Merge DP setting functions into one. (#5)

* Merge DP setting functions into one.

Also, ensure that scores of >100% aren't possible
Function usage: SetDancePointLimits(actual, possible)
Clamps to 100% if actual/possible >100%

* Update the luadocs again

Docs/Luadoc/Lua.xml

@@ -1366,6 +1366,7 @@
 			<Function name='IsDisqualified'/>
 			<Function name='MaxCombo'/>
 			<Function name='SetCurMaxScore'/>
+			<Function name='SetDancePointLimits'/>
 			<Function name='SetScore'/>
 		</Class>
 		<Class name='PlayerState'>

Docs/Luadoc/LuaDocumentation.xml

@@ -3975,6 +3975,9 @@ save yourself some time, copy this for undocumented things:
 	<Function name='IsDisqualified' return='bool' arguments=''>
 		Returns <code>true</code> if the player was disqualified from ranking.
 	</Function>
+	<Function name='SetDancePointLimits' return='void' arguments='int actual, int possible'>
+		Sets the Dance Point limits of the stage.
+	</Function>
 </Class>
 <Class name='PlayerState'>
 	<Function name='ApplyPreferredOptionsToOtherLevels' return='void' arguments=''>

src/PlayerStageStats.cpp

@@ -865,6 +865,25 @@ public:
 		}
 		COMMON_RETURN_SELF;
 	}
+	static int SetDancePointLimits( T* p, lua_State *L )
+	{
+		int actual = IArg(1);
+		int possible = IArg(2);
+		if( actual >= 0 && possible > 0 )
+		{
+			p->m_iPossibleDancePoints = possible;
+			if( actual <= possible )
+			{
+				p->m_iActualDancePoints = actual;
+			}
+			else
+			{
+				p->m_iActualDancePoints = possible;
+			}
+			return 1;
+		}
+		COMMON_RETURN_SELF;
+	}
   
 	static int FailPlayer( T* p, lua_State *L )
 	{
@@ -915,6 +934,7 @@ public:
 		ADD_METHOD( SetScore );
 		ADD_METHOD( GetCurMaxScore );
 		ADD_METHOD( SetCurMaxScore );
+		ADD_METHOD( SetDancePointLimits );
 		ADD_METHOD( FailPlayer );
 		ADD_METHOD( GetSongsPassed );
 		ADD_METHOD( GetSongsPlayed );