diff --git a/source/App/Minecraft.cpp b/source/App/Minecraft.cpp
index 1d4cfd1..7fa8a39 100644
--- a/source/App/Minecraft.cpp
+++ b/source/App/Minecraft.cpp
@@ -854,6 +854,14 @@ ItemInstance* Minecraft::getSelectedItem()
 {
 	ItemInstance* pInst = m_pLocalPlayer->m_pInventory->getSelectedItem();
 
+	if (!pInst)
+	{
+		m_CurrItemInstance.m_itemID = -1;
+		m_CurrItemInstance.m_amount = 999;
+		m_CurrItemInstance.m_auxValue = 0;
+		return &m_CurrItemInstance;
+	}
+
 	if (m_pGameMode->isSurvivalType())
 		return pInst;
 
diff --git a/source/World/Generator/Biome.cpp b/source/World/Generator/Biome.cpp
index aaa498f..f5d8a4e 100644
--- a/source/World/Generator/Biome.cpp
+++ b/source/World/Generator/Biome.cpp
@@ -114,7 +114,7 @@ Biome::~Biome()
 
 Feature* Biome::getTreeFeature(Random* pRandom)
 {
-	pRandom->genrand_int32(); //! unused result
+	pRandom->nextInt(10); // unused result
 
 	return new TreeFeature;
 }
@@ -202,7 +202,7 @@ void Biome::initBiomes()
 
 Feature* RainforestBiome::getTreeFeature(Random* pRandom)
 {
-	pRandom->genrand_int32(); //! unused result
+	pRandom->nextInt(3); // unused result
 
 	return new TreeFeature;
 }
@@ -210,11 +210,15 @@ Feature* RainforestBiome::getTreeFeature(Random* pRandom)
 Feature* ForestBiome::getTreeFeature(Random* pRandom)
 {
 	if (pRandom->nextInt(5) == 0)
+	{
 		return new BirchFeature;
+	}
 
 	// @NOTE: Here would be code for a big tree with random->nextInt(3).
 	// But PE doesn't have big trees
 
+	pRandom->nextInt(3);
+
 	return new TreeFeature;
 }
 
diff --git a/source/World/Generator/RandomLevelSource.cpp b/source/World/Generator/RandomLevelSource.cpp
index ffb2490..7464f5b 100644
--- a/source/World/Generator/RandomLevelSource.cpp
+++ b/source/World/Generator/RandomLevelSource.cpp
@@ -394,7 +394,7 @@ void RandomLevelSource::postProcess(ChunkSource* src, int x, int z)
 		xo = m_random.nextInt(16);
 		yo = m_random.nextInt(16);
 		zo = m_random.nextInt(16);
-		OreFeature(Tile::redStoneOre->m_ID, 8).place(m_pLevel, &m_random, x16 + xo, yo, z16 + zo);
+		OreFeature(Tile::redStoneOre->m_ID, 7).place(m_pLevel, &m_random, x16 + xo, yo, z16 + zo);
 	}
 
 	xo = m_random.nextInt(16);
@@ -469,6 +469,7 @@ void RandomLevelSource::postProcess(ChunkSource* src, int x, int z)
 		int zo = m_random.nextInt(16);
 		FlowerFeature(Tile::rose->m_ID).place(m_pLevel, &m_random, x16 + 8 + xo, yo, z16 + 8 + zo);
 	}
+
 	if (m_random.nextInt(4) == 0)
 	{
 		int xo = m_random.nextInt(16);
@@ -476,6 +477,7 @@ void RandomLevelSource::postProcess(ChunkSource* src, int x, int z)
 		int zo = m_random.nextInt(16);
 		FlowerFeature(Tile::mushroom1->m_ID).place(m_pLevel, &m_random, x16 + 8 + xo, yo, z16 + 8 + zo);
 	}
+
 	if (m_random.nextInt(8) == 0)
 	{
 		int xo = m_random.nextInt(16);