Smelting Gives Experience (#4094)

* Smelting Exp

Smelting now gives experience

* Furnace.txt update

Exp rewards are entered in furnace.txt, Reward calculation is now done
is the furnaceentity class

* furnace.txt update

Changed alignment tabs to spaces
Included documentation of exp in recipe

* Updated StringToFloat

changed strtod to strtof

* Explicit Float to Int

* Reworked Smelting Rewards

* No C casts

-Adds new function to the api
-Sets reward counter to 0 in furnace constructor

* Style and exp lock removed

-Fixed  style mistakes accoring to PR notes
-XP isn't locked to a single player anymore

* No Smelter API

-Removed SetLastSmelter and GetLastSmelter
-Fixed comments
-Fixed log reward amounts

src/BlockEntities/FurnaceEntity.cpp

@@ -32,6 +32,7 @@ cFurnaceEntity::cFurnaceEntity(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, in
 	m_TimeCooked(0),
 	m_FuelBurnTime(0),
 	m_TimeBurned(0),
+	m_RewardCounter(0),
 	m_IsLoading(false)
 {
 	m_Contents.AddListener(*this);
@@ -173,6 +174,23 @@ bool cFurnaceEntity::ContinueCooking(void)
 
 
 
+int cFurnaceEntity::GetAndResetReward(void)
+{
+	int Reward = FloorC(m_RewardCounter);
+	float Remainder = m_RewardCounter - static_cast<float>(Reward);
+	// Remainder is used as the percent chance of getting an extra xp point
+	if (GetRandomProvider().RandBool(Remainder))
+	{
+		Reward++;
+	}
+	m_RewardCounter = 0.0;
+	return Reward;
+}
+
+
+
+
+
 void cFurnaceEntity::BroadcastProgress(short a_ProgressbarID, short a_Value)
 {
 	cWindow * Window = GetWindow();
@@ -189,6 +207,7 @@ void cFurnaceEntity::BroadcastProgress(short a_ProgressbarID, short a_Value)
 void cFurnaceEntity::FinishOne()
 {
 	m_TimeCooked = 0;
+	m_RewardCounter += m_CurrentRecipe->Reward;
 
 	if (m_Contents.GetSlot(fsOutput).IsEmpty())
 	{