minor refactor + 4 spaces indentation

src/lighting/Lightmap.cpp

@@ -4,11 +4,11 @@
 #include "../util/data_io.h"
 
 void Lightmap::set(const Lightmap* lightmap) {
-	set(lightmap->map);
+    set(lightmap->map);
 }
 
 void Lightmap::set(const light_t* map) {
-	for (size_t i = 0; i < CHUNK_VOL; i++) {
+    for (size_t i = 0; i < CHUNK_VOL; i++) {
         this->map[i] = map[i];
     }
 }
@@ -16,19 +16,19 @@ void Lightmap::set(const light_t* map) {
 static_assert(sizeof(light_t) == 2, "replace dataio calls to new light_t");
 
 ubyte* Lightmap::encode() const {
-	ubyte* buffer = new ubyte[LIGHTMAP_DATA_LEN];
-	for (uint i = 0; i < CHUNK_VOL; i+=2) {
-		buffer[i/2] = ((map[i] >> 12) & 0xF) | ((map[i+1] >> 8) & 0xF0);
-	}
-	return buffer;
+    ubyte* buffer = new ubyte[LIGHTMAP_DATA_LEN];
+    for (uint i = 0; i < CHUNK_VOL; i+=2) {
+        buffer[i/2] = ((map[i] >> 12) & 0xF) | ((map[i+1] >> 8) & 0xF0);
+    }
+    return buffer;
 }
 
 light_t* Lightmap::decode(ubyte* buffer) {
-	light_t* lights = new light_t[CHUNK_VOL];
-	for (uint i = 0; i < CHUNK_VOL; i+=2) {
-		ubyte b = buffer[i/2];
-		lights[i] = ((b & 0xF) << 12);
-		lights[i+1] = ((b & 0xF0) << 8);
-	} 
-	return lights;
+    light_t* lights = new light_t[CHUNK_VOL];
+    for (uint i = 0; i < CHUNK_VOL; i+=2) {
+        ubyte b = buffer[i/2];
+        lights[i] = ((b & 0xF) << 12);
+        lights[i+1] = ((b & 0xF0) << 8);
+    } 
+    return lights;
 }