cleanup

src/voxels/Chunk.cpp

@@ -13,19 +13,6 @@ Chunk::Chunk(int xpos, int zpos) : x(xpos), z(zpos) {
     top = CHUNK_H;
 }
 
-bool Chunk::isEmpty() const {
-    int id = -1;
-    for (uint i = 0; i < CHUNK_VOL; i++) {
-        if (voxels[i].id != id) {
-            if (id != -1)
-                return false;
-            else
-                id = voxels[i].id;
-        }
-    }
-    return true;
-}
-
 void Chunk::updateHeights() {
     for (uint i = 0; i < CHUNK_VOL; i++) {
         if (voxels[i].id != 0) {

src/voxels/Chunk.hpp

@@ -11,6 +11,7 @@
 #include "maths/aabb.hpp"
 #include "voxel.hpp"
 
+/// @brief Total bytes number of chunk voxel data
 inline constexpr int CHUNK_DATA_LEN = CHUNK_VOL * 4;
 
 class ContentReport;
@@ -45,8 +46,7 @@ public:
 
     Chunk(int x, int z);
 
-    bool isEmpty() const;
+    /// @brief Refresh `bottom` and `top` values
-
     void updateHeights();
 
     // unused