util/dataio + Lightmap.encode

src/lighting/Lightmap.cpp

@@ -1,8 +1,11 @@
 #include "Lightmap.h"
+#include <assert.h>
+
+#include "../util/data_io.h"
 
 Lightmap::Lightmap(){
-	map = new unsigned short[CHUNK_VOL];
-	for (unsigned int i = 0; i < CHUNK_VOL; i++){
+	map = new light_t[CHUNK_VOL];
+	for (uint i = 0; i < CHUNK_VOL; i++){
 		map[i] = 0x0000;
 	}
 }
@@ -16,3 +19,13 @@ void Lightmap::set(const Lightmap* lightmap) {
 		map[i] = lightmap->map[i];
 	}
 }
+
+static_assert(sizeof(light_t) == 2, "replace dataio calls to new light_t");
+
+ubyte* Lightmap::encode() const {
+	ubyte* buffer = new ubyte[CHUNK_VOL * sizeof(light_t)];
+	for (uint i = 0; i < CHUNK_VOL; i++) {
+		dataio::write_int16_big(map[i], buffer, i * sizeof(light_t));
+	}
+	return buffer;
+}