add block/item tags

src/content/ContentBuilder.cpp

@@ -28,6 +28,9 @@ std::unique_ptr<Content> ContentBuilder::build() {
         // Generating runtime info
         def.rt.id = blockDefsIndices.size();
         def.rt.emissive = *reinterpret_cast<uint32_t*>(def.emission);
+        for (const auto& tag : def.tags) {
+            def.rt.tags.push_back(tags.add(tag));
+        }
 
         if (def.variants) {
             for (auto& variant : def.variants->variants) {

src/content/ContentBuilder.hpp

@@ -62,6 +62,27 @@ public:
     }
 };
 
+struct TagsIndices {
+    int nextIndex = 1;
+    std::unordered_map<std::string, int> map;
+
+    int add(const std::string& tag) {
+        const auto& found = map.find(tag);
+        if (found != map.end()) {
+            return found->second;
+        }
+        return map[tag] = nextIndex++;
+    }
+
+    int indexOf(const std::string& tag) {
+        const auto& found = map.find(tag);
+        if (found == map.end()) {
+            return -1;
+        }
+        return found->second;
+    }
+};
+
 class ContentBuilder {
     UptrsMap<std::string, BlockMaterial> blockMaterials;
     UptrsMap<std::string, rigging::SkeletonConfig> skeletons;
@@ -74,6 +95,7 @@ public:
     ContentUnitBuilder<GeneratorDef> generators {allNames, ContentType::GENERATOR};
     ResourceIndicesSet resourceIndices {};
     dv::value defaults = nullptr;
+    TagsIndices tags {};
 
     ~ContentBuilder();
 

src/content/loading/BlockLoader.cpp

@@ -89,6 +89,7 @@ template<> void ContentUnitLoader<Block>::loadUnit(
 ) {
     auto root = io::read_json(file);
     process_properties(def, name, root);
+    process_tags(def, root);
 
     if (root.has("parent")) {
         const auto& parentName = root["parent"].asString();

src/content/loading/ContentLoadingCommons.hpp

@@ -21,3 +21,17 @@ inline void process_properties(T& def, const std::string& name, const dv::value&
         process_method(def.properties, suffix, field, value);
     }
 }
+
+template <typename T>
+inline void process_tags(T& def, const dv::value& root) {
+    if (!root.has("tags")) {
+        return;
+    }
+    const auto& tags = root["tags"];
+    for (const auto& tagValue : tags) {
+        if (!tagValue.isString()) {
+            continue;
+        }
+        def.tags.push_back(tagValue.asString());
+    }
+}

src/content/loading/ItemLoader.cpp

@@ -19,6 +19,7 @@ template<> void ContentUnitLoader<ItemDef>::loadUnit(
 ) {
     auto root = io::read_json(file);
     process_properties(def, name, root);
+    process_tags(def, root);
 
     if (root.has("parent")) {
         const auto& parentName = root["parent"].asString();