make BlockMaterial serializable

src/content/ContentLoader.cpp

@@ -186,11 +186,7 @@ void ContentUnitLoader<DefT>::loadUnit(
 void ContentLoader::loadBlockMaterial(
     BlockMaterial& def, const io::path& file
 ) {
-    auto root = io::read_json(file);
-    root.at("steps-sound").get(def.stepsSound);
-    root.at("place-sound").get(def.placeSound);
-    root.at("break-sound").get(def.breakSound);
-    root.at("hit-sound").get(def.hitSound);
+    def.deserialize(io::read_json(file));
     if (def.hitSound.empty()) {
         def.hitSound = def.stepsSound;
     }

src/logic/scripting/scripting.cpp

@@ -243,7 +243,7 @@ void scripting::on_content_load(Content* content) {
         const auto& materials = content->getBlockMaterials();
         lua::createtable(L, 0, materials.size());
         for (const auto& [name, material] : materials) {
-            lua::pushvalue(L, material->serialize());
+            lua::pushvalue(L, material->toTable());
             lua::setfield(L, name);
         }
         lua::setfield(L, "materials");

src/voxels/Block.cpp

@@ -8,7 +8,7 @@
 #include "presets/ParticlesPreset.hpp"
 #include "util/stringutil.hpp"
 
-dv::value BlockMaterial::serialize() const {
+dv::value BlockMaterial::toTable() const {
     return dv::object({
         {"name", name},
         {"stepsSound", stepsSound},
@@ -18,6 +18,24 @@ dv::value BlockMaterial::serialize() const {
     });
 }
 
+dv::value BlockMaterial::serialize() const {
+    return dv::object({
+        {"name", name},
+        {"steps-sound", stepsSound},
+        {"place-sound", placeSound},
+        {"break-sound", breakSound},
+        {"hit-sound", hitSound}
+    });
+}
+
+void BlockMaterial::deserialize(const dv::value& src) {
+    src.at("name").get(name);
+    src.at("steps-sound").get(stepsSound);
+    src.at("place-sound").get(placeSound);
+    src.at("break-sound").get(breakSound);
+    src.at("hit-sound").get(hitSound);
+}
+
 CoordSystem::CoordSystem(glm::ivec3 axisX, glm::ivec3 axisY, glm::ivec3 axisZ)
     : axes({axisX, axisY, axisZ}) {
     fix = glm::ivec3(0);

src/voxels/Block.hpp

@@ -10,6 +10,7 @@
 #include "maths/aabb.hpp"
 #include "typedefs.hpp"
 #include "util/EnumMetadata.hpp"
+#include "interfaces/Serializable.hpp"
 
 struct ParticlesPreset;
 
@@ -116,14 +117,16 @@ VC_ENUM_END
 using BoxModel = AABB;
 
 /// @brief Common kit of block properties applied to groups of blocks
-struct BlockMaterial {
+struct BlockMaterial : Serializable {
     std::string name;
     std::string stepsSound;
     std::string placeSound;
     std::string breakSound;
     std::string hitSound;
 
-    dv::value serialize() const;
+    dv::value toTable() const; // for compatibility
+    dv::value serialize() const override;
+    void deserialize(const dv::value& src) override;
 };
 
 /// @brief Block properties definition