diff --git a/source/game/StarPlayer.cpp b/source/game/StarPlayer.cpp
index 8ce809f..e57400a 100644
--- a/source/game/StarPlayer.cpp
+++ b/source/game/StarPlayer.cpp
@@ -1153,20 +1153,23 @@ uint64_t Player::itemsCanHold(ItemPtr const& items) const {
   return m_inventory->itemsCanFit(items);
 }
 
-ItemPtr Player::pickupItems(ItemPtr const& items) {
+ItemPtr Player::pickupItems(ItemPtr const& items, bool silent) {
   if (isDead() || !items || m_inventory->itemsCanFit(items) == 0)
     return items;
 
   triggerPickupEvents(items);
 
-  if (items->pickupSound().size()) {
-    m_effectsAnimator->setSoundPool("pickup", {items->pickupSound()});
-    float pitch = 1.f - ((float)items->count() / (float)items->maxStack()) * 0.5f;
-    m_effectsAnimator->setSoundPitchMultiplier("pickup", clamp(pitch * Random::randf(0.8f, 1.2f), 0.f, 2.f));
-    m_effectsAnimator->playSound("pickup");
+  if (!silent) {
+    if (items->pickupSound().size()) {
+      m_effectsAnimator->setSoundPool("pickup", {items->pickupSound()});
+      float pitch = 1.f - ((float)items->count() / (float)items->maxStack()) * 0.5f;
+      m_effectsAnimator->setSoundPitchMultiplier("pickup", clamp(pitch * Random::randf(0.8f, 1.2f), 0.f, 2.f));
+      m_effectsAnimator->playSound("pickup");
+    }
+    auto itemDb = Root::singleton().itemDatabase();
+    queueItemPickupMessage(itemDb->itemShared(items->descriptor()));
   }
-  auto itemDb = Root::singleton().itemDatabase();
-  queueItemPickupMessage(itemDb->itemShared(items->descriptor()));
+
   return m_inventory->addItems(items);
 }
 
diff --git a/source/game/StarPlayer.hpp b/source/game/StarPlayer.hpp
index 766f16e..933f623 100644
--- a/source/game/StarPlayer.hpp
+++ b/source/game/StarPlayer.hpp
@@ -200,7 +200,7 @@ public:
   uint64_t itemsCanHold(ItemPtr const& items) const;
   // Adds items to the inventory, returning the overflow.
   // The items parameter is invalid after use.
-  ItemPtr pickupItems(ItemPtr const& items);
+  ItemPtr pickupItems(ItemPtr const& items, bool silent = false);
   // Pick up all of the given items as possible, dropping the overflow.
   // The item parameter is invalid after use.
   void giveItem(ItemPtr const& item);
diff --git a/source/game/StarPlayerInventory.cpp b/source/game/StarPlayerInventory.cpp
index dc8d8e4..bacd58d 100644
--- a/source/game/StarPlayerInventory.cpp
+++ b/source/game/StarPlayerInventory.cpp
@@ -214,6 +214,14 @@ ItemPtr PlayerInventory::addItems(ItemPtr items) {
   if (is<BackArmor>(items) && !backArmor())
     m_equipment[EquipmentSlot::Back] = items->take(1);
 
+  if (is<MaterialItem>(items)) {
+    if (auto primary = primaryHeldItem()) {
+      primary->stackWith(items);
+      if (items->empty())
+        return {};
+    }
+  }
+
   // Then, finally the bags
   return addToBags(std::move(items));
 }
diff --git a/source/game/StarWorldClient.cpp b/source/game/StarWorldClient.cpp
index ca99165..b60e2c2 100644
--- a/source/game/StarWorldClient.cpp
+++ b/source/game/StarWorldClient.cpp
@@ -573,23 +573,28 @@ void WorldClient::render(WorldRenderData& renderData, unsigned bufferTiles) {
 
       renderTile.liquidId = clientTile.liquid.liquid;
       renderTile.liquidLevel = floatToByte(clientTile.liquid.level);
+    });
 
-      if (!m_predictedTiles.empty()) {
-        if (auto p = m_predictedTiles.ptr(position)) {
-          if (p->liquid) {
-            auto& liquid = *p->liquid;
-            if (liquid.liquid == renderTile.liquidId)
-              renderTile.liquidLevel = floatToByte(clientTile.liquid.level + liquid.level, true);
-            else {
-              renderTile.liquidId = liquid.liquid;
-              renderTile.liquidLevel = floatToByte(liquid.level, true);
-            }
-          }
-
-          p->apply(renderTile);
+  for (auto& pair : m_predictedTiles) {
+    Vec2I tileArrayPos = m_geometry.diff(pair.first, renderData.tileMinPosition);
+    if (tileArrayPos[0] >= 0 && tileArrayPos[0] < (int)renderData.tiles.size(0) && tileArrayPos[1] >= 0 && tileArrayPos[1] < (int)renderData.tiles.size(1)) {
+      RenderTile& renderTile = renderData.tiles(tileArrayPos[0], tileArrayPos[1]);
+      PredictedTile& p = pair.second;
+      if (p.liquid) {
+        auto& liquid = *p.liquid;
+        if (liquid.liquid == renderTile.liquidId) {
+          uint8_t added = floatToByte(liquid.level, true);
+          renderTile.liquidLevel = (renderTile.liquidLevel > 255 - added) ? 255 : renderTile.liquidLevel + added;
+        }
+        else {
+          renderTile.liquidId = liquid.liquid;
+          renderTile.liquidLevel = floatToByte(liquid.level, true);
         }
       }
-    });
+
+      pair.second.apply(renderTile);
+    }
+  }
 
   for (auto const& previewTile : previewTiles) {
     Vec2I tileArrayPos = m_geometry.diff(previewTile.position, renderData.tileMinPosition);
@@ -896,10 +901,10 @@ void WorldClient::handleIncomingPackets(List<PacketPtr> const& packets) {
 
         if (auto placeMaterial = modification.second.ptr<PlaceMaterial>()) {
           auto stack = materialDatabase->materialItemDrop(placeMaterial->material);
-          tryGiveMainPlayerItem(itemDatabase->item(stack));
+          tryGiveMainPlayerItem(itemDatabase->item(stack), true);
         } else if (auto placeMod = modification.second.ptr<PlaceMod>()) {
           auto stack = materialDatabase->modItemDrop(placeMod->mod);
-          tryGiveMainPlayerItem(itemDatabase->item(stack));
+          tryGiveMainPlayerItem(itemDatabase->item(stack), true);
         }
       }
 
@@ -1799,8 +1804,8 @@ void WorldClient::clearWorld() {
   m_forceRegions.clear();
 }
 
-void WorldClient::tryGiveMainPlayerItem(ItemPtr item) {
-  if (auto spill = m_mainPlayer->pickupItems(item))
+void WorldClient::tryGiveMainPlayerItem(ItemPtr item, bool silent) {
+  if (auto spill = m_mainPlayer->pickupItems(item, silent))
     addEntity(ItemDrop::createRandomizedDrop(spill->descriptor(), m_mainPlayer->position()));
 }
 
diff --git a/source/game/StarWorldClient.hpp b/source/game/StarWorldClient.hpp
index 5bfb11c..56a24e5 100644
--- a/source/game/StarWorldClient.hpp
+++ b/source/game/StarWorldClient.hpp
@@ -213,7 +213,7 @@ private:
 
   void initWorld(WorldStartPacket const& packet);
   void clearWorld();
-  void tryGiveMainPlayerItem(ItemPtr item);
+  void tryGiveMainPlayerItem(ItemPtr item, bool silent = false);
 
   void notifyEntityCreate(EntityPtr const& entity);