fix compiler warnings (GCC + Clang)

src/world/generator/GeneratorDef.cpp

@@ -8,7 +8,7 @@
 VoxelStructure::VoxelStructure(
     VoxelStructureMeta meta,
     std::unique_ptr<VoxelFragment> structure
-) : fragments({std::move(structure)}), meta(std::move(meta)) {}
+) : meta(std::move(meta)), fragments({std::move(structure)}) {}
 
 GeneratorDef::GeneratorDef(std::string name)
     : name(std::move(name)), caption(util::id_to_caption(name)) {

src/world/generator/WorldGenerator.cpp

@@ -437,7 +437,6 @@ void WorldGenerator::generate(voxel* voxels, int chunkX, int chunkZ) {
 
     std::memset(voxels, 0, sizeof(voxel) * CHUNK_VOL);
 
-    const auto& indices = content.getIndices()->blocks;
     const auto& biomes = prototype.biomes.get();
     for (uint z = 0; z < CHUNK_D; z++) {
         for (uint x = 0; x < CHUNK_W; x++) {
@@ -456,6 +455,7 @@ void WorldGenerator::generate(voxel* voxels, int chunkX, int chunkZ) {
     generatePlacements(prototype, voxels, chunkX, chunkZ);
     generatePlants(prototype, values, voxels, chunkX, chunkZ, biomes);
 
+    [[maybe_unused]] const auto& indices = content.getIndices()->blocks;
     for (uint i = 0; i < CHUNK_VOL; i++) {
         blockid_t& id = voxels[i].id;
         if (id == BLOCK_STRUCT_AIR) {
@@ -609,3 +609,7 @@ WorldGenDebugInfo WorldGenerator::createDebugInfo() const {
         std::move(values)
     };
 }
+
+uint64_t WorldGenerator::getSeed() const {
+    return seed;
+}

src/world/generator/WorldGenerator.hpp

@@ -134,4 +134,6 @@ public:
     void generate(voxel* voxels, int x, int z);
 
     WorldGenDebugInfo createDebugInfo() const;
+
+    uint64_t getSeed() const;
 };