diff --git a/source/base/StarAssets.cpp b/source/base/StarAssets.cpp
index 1519e86..68e307a 100644
--- a/source/base/StarAssets.cpp
+++ b/source/base/StarAssets.cpp
@@ -151,7 +151,7 @@ Assets::Assets(Settings settings, StringList assetSources) {
       // re-add the assets callbacks with more functions
       context.remove("assets");
       auto callbacks = makeBaseAssetCallbacks();
-      callbacks.registerCallback("add", [&newFiles](LuaEngine& engine, String const& path, LuaValue const& data) {
+      callbacks.registerCallback("add", [newFiles](LuaEngine& engine, String const& path, LuaValue const& data) {
         ByteArray bytes;
         if (auto str = engine.luaMaybeTo<String>(data))
           bytes = ByteArray(str->utf8Ptr(), str->utf8Size());
@@ -165,7 +165,7 @@ Assets::Assets(Settings settings, StringList assetSources) {
         newFiles->set(path, bytes);
       });
 
-      callbacks.registerCallback("patch", [this, &newFiles](String const& path, String const& patchPath) -> bool {
+      callbacks.registerCallback("patch", [this, newFiles](String const& path, String const& patchPath) -> bool {
         if (auto file = m_files.ptr(path)) {
           if (newFiles->contains(patchPath)) {
             file->patchSources.append(make_pair(patchPath, newFiles));
diff --git a/source/core/StarJsonParser.hpp b/source/core/StarJsonParser.hpp
index 5736f7f..a76a53a 100644
--- a/source/core/StarJsonParser.hpp
+++ b/source/core/StarJsonParser.hpp
@@ -39,7 +39,7 @@ template <typename InputIterator>
 class JsonParser {
 public:
   JsonParser(JsonStream& stream)
-    : m_line(0), m_column(0), m_stream(stream), m_error(nullptr) {}
+    : m_line(0), m_column(0), m_error(nullptr), m_stream(stream) {}
   virtual ~JsonParser() {}
 
   // Does not throw.  On error, returned iterator will not be equal to end, and
diff --git a/source/game/StarItemDatabase.cpp b/source/game/StarItemDatabase.cpp
index c3f2447..b3eb16b 100644
--- a/source/game/StarItemDatabase.cpp
+++ b/source/game/StarItemDatabase.cpp
@@ -375,7 +375,7 @@ ItemRecipe ItemDatabase::parseRecipe(Json const& config) const {
   return res;
 }
 
-HashSet<ItemRecipe> ItemDatabase::allRecipes() const {
+HashSet<ItemRecipe> const& ItemDatabase::allRecipes() const {
   return m_recipes;
 }
 
diff --git a/source/game/StarItemDatabase.hpp b/source/game/StarItemDatabase.hpp
index 50a8e35..d5b86fc 100644
--- a/source/game/StarItemDatabase.hpp
+++ b/source/game/StarItemDatabase.hpp
@@ -138,7 +138,7 @@ public:
 
   ItemRecipe parseRecipe(Json const& config) const;
 
-  HashSet<ItemRecipe> allRecipes() const;
+  HashSet<ItemRecipe> const& allRecipes() const;
   HashSet<ItemRecipe> allRecipes(StringSet const& types) const;
 
   ItemPtr applyAugment(ItemPtr const item, AugmentItem* augment) const;
diff --git a/source/game/StarItemRecipe.cpp b/source/game/StarItemRecipe.cpp
index 7295cd1..1ba4b70 100644
--- a/source/game/StarItemRecipe.cpp
+++ b/source/game/StarItemRecipe.cpp
@@ -5,9 +5,10 @@
 
 namespace Star {
 
-Json ItemRecipe::toJson() {
+Json ItemRecipe::toJson() const {
   JsonArray inputList;
-  for (auto input : inputs)
+  inputList.reserve(inputList.size());
+  for (auto& input : inputs)
     inputList.append(input.toJson());
 
   return JsonObject{
@@ -21,7 +22,7 @@ Json ItemRecipe::toJson() {
     };
 }
 
-bool ItemRecipe::isNull() {
+bool ItemRecipe::isNull() const {
   return currencyInputs.size() == 0 && inputs.size() == 0 && output.isNull();
 }
 
diff --git a/source/game/StarItemRecipe.hpp b/source/game/StarItemRecipe.hpp
index b2d51d7..5285c9a 100644
--- a/source/game/StarItemRecipe.hpp
+++ b/source/game/StarItemRecipe.hpp
@@ -8,9 +8,9 @@ namespace Star {
 STAR_EXCEPTION(RecipeException, StarException);
 
 struct ItemRecipe {
-  Json toJson();
+  Json toJson() const;
 
-  bool isNull();
+  bool isNull() const;
 
   bool operator==(ItemRecipe const& rhs) const;
   bool operator!=(ItemRecipe const& rhs) const;
diff --git a/source/game/StarTileDrawer.cpp b/source/game/StarTileDrawer.cpp
index 2fa5051..15e88f3 100644
--- a/source/game/StarTileDrawer.cpp
+++ b/source/game/StarTileDrawer.cpp
@@ -100,9 +100,11 @@ bool TileDrawer::produceTerrainDrawables(Drawables& drawables,
     return false;
 
   auto getPieceImage = [](MaterialRenderPieceConstPtr const& piece, Box<float, 2> const& box, MaterialHue hue, Directives const* directives) -> AssetPath {
-    AssetPath image = hue == 0
+    String path = (hue == 0)
       ? strf("{}?crop={};{};{};{}", piece->texture, box.xMin(), box.yMin(), box.xMax(), box.yMax())
       : strf("{}?crop={};{};{};{}?hueshift={}", piece->texture, box.xMin(), box.yMin(), box.xMax(), box.yMax(), materialHueToDegrees(hue));
+
+    AssetPath image(path);
     if (directives)
       image.directives += *directives;
 
diff --git a/source/game/scripting/StarPlayerLuaBindings.cpp b/source/game/scripting/StarPlayerLuaBindings.cpp
index d303c94..5f12ee3 100644
--- a/source/game/scripting/StarPlayerLuaBindings.cpp
+++ b/source/game/scripting/StarPlayerLuaBindings.cpp
@@ -247,6 +247,17 @@ LuaCallbacks LuaBindings::makePlayerCallbacks(Player* player) {
 
   callbacks.registerCallback("blueprintKnown", [player](Json const& item) { return player->blueprintKnown(ItemDescriptor(item)); });
 
+  callbacks.registerCallback("availableRecipes", [player](Maybe<StringSet> const& filter) {
+    auto itemDatabase = Root::singleton().itemDatabase();
+    auto inventory = player->inventory();
+    auto recipes = itemDatabase->recipesFromBagContents(inventory->availableItems(), inventory->availableCurrencies(), filter.value());
+    JsonArray result;
+    result.reserve(recipes.size());
+    for (auto& recipe : recipes)
+      result.append(recipe.toJson());
+    return result;
+  });
+
   callbacks.registerCallback("makeTechAvailable", [player](String const& tech) {
       player->techs()->makeAvailable(tech);
     });
diff --git a/source/game/scripting/StarRootLuaBindings.cpp b/source/game/scripting/StarRootLuaBindings.cpp
index a08be7f..50d18e8 100644
--- a/source/game/scripting/StarRootLuaBindings.cpp
+++ b/source/game/scripting/StarRootLuaBindings.cpp
@@ -44,7 +44,8 @@ LuaCallbacks LuaBindings::makeRootCallbacks() {
   callbacks.registerCallbackWithSignature<Json, String>("npcConfig", bind(RootCallbacks::npcConfig, root, _1));
   callbacks.registerCallbackWithSignature<float, String>("projectileGravityMultiplier", bind(RootCallbacks::projectileGravityMultiplier, root, _1));
   callbacks.registerCallbackWithSignature<Json, String>("projectileConfig", bind(RootCallbacks::projectileConfig, root, _1));
-  callbacks.registerCallbackWithSignature<Json, String>("recipesForItem", bind(RootCallbacks::recipesForItem, root, _1));
+  callbacks.registerCallbackWithSignature<JsonArray, String>("recipesForItem", bind(RootCallbacks::recipesForItem, root, _1));
+  callbacks.registerCallbackWithSignature<JsonArray>("allRecipes", bind(RootCallbacks::allRecipes, root));
   callbacks.registerCallbackWithSignature<String, String>("itemType", bind(RootCallbacks::itemType, root, _1));
   callbacks.registerCallbackWithSignature<Json, String>("itemTags", bind(RootCallbacks::itemTags, root, _1));
   callbacks.registerCallbackWithSignature<bool, String, String>("itemHasTag", bind(RootCallbacks::itemHasTag, root, _1, _2));
@@ -308,10 +309,20 @@ Json LuaBindings::RootCallbacks::projectileConfig(Root* root, String const& arg1
   return projectileDatabase->projectileConfig(arg1);
 }
 
-Json LuaBindings::RootCallbacks::recipesForItem(Root* root, String const& arg1) {
+JsonArray LuaBindings::RootCallbacks::recipesForItem(Root* root, String const& arg1) {
   auto recipes = root->itemDatabase()->recipesForOutputItem(arg1);
   JsonArray result;
-  for (auto recipe : recipes)
+  result.reserve(recipes.size());
+  for (auto& recipe : recipes)
+    result.append(recipe.toJson());
+  return result;
+}
+
+JsonArray LuaBindings::RootCallbacks::allRecipes(Root* root) {
+  auto& recipes = root->itemDatabase()->allRecipes();
+  JsonArray result;
+  result.reserve(recipes.size());
+  for (auto& recipe : recipes)
     result.append(recipe.toJson());
   return result;
 }
diff --git a/source/game/scripting/StarRootLuaBindings.hpp b/source/game/scripting/StarRootLuaBindings.hpp
index 3979f2f..0cee77f 100644
--- a/source/game/scripting/StarRootLuaBindings.hpp
+++ b/source/game/scripting/StarRootLuaBindings.hpp
@@ -26,7 +26,8 @@ namespace LuaBindings {
     Json npcConfig(Root* root, String const& arg1);
     float projectileGravityMultiplier(Root* root, String const& arg1);
     Json projectileConfig(Root* root, String const& arg1);
-    Json recipesForItem(Root* root, String const& arg1);
+    JsonArray recipesForItem(Root* root, String const& arg1);
+    JsonArray allRecipes(Root* root);
     String itemType(Root* root, String const& itemName);
     Json itemTags(Root* root, String const& itemName);
     bool itemHasTag(Root* root, String const& itemName, String const& itemTag);