spawn players at terrain height level

src/tools.c

@@ -7,6 +7,7 @@
 #include "globals.h"
 #include "varnum.h"
 #include "packets.h"
+#include "tools.h"
 
 static uint64_t htonll (uint64_t value) {
 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
@@ -144,9 +145,7 @@ int reservePlayerData (int client_fd, char *uuid) {
     if (empty) {
       player_data[i].client_fd = client_fd;
       memcpy(player_data[i].uuid, uuid, 16);
-      player_data[i].x = 8;
-      player_data[i].y = 80;
-      player_data[i].z = 8;
+      player_data[i].y = -32767;
       return 0;
     }
   }

src/worldgen.c

@@ -7,6 +7,7 @@
 #include "globals.h"
 #include "tools.h"
 #include "registries.h"
+#include "worldgen.h"
 
 uint32_t getHash (const void *data, size_t len) {
   const uint8_t *bytes = data;
@@ -50,8 +51,6 @@ int getCornerHeight (uint32_t hash) {
 
 }
 
-#define chunk_size 8
-
 int interpolate (int a, int b, int c, int d, int x, int z) {
   int top    = a * (chunk_size - x) + b * x;
   int bottom = c * (chunk_size - x) + d * x;

src/worldgen.h

@@ -3,7 +3,10 @@
 
 #include <stdint.h>
 
+#define chunk_size 8
+
+uint32_t getChunkHash (short x, short z);
+int getHeightAt (int rx, int rz, int _x, int _z, uint32_t chunk_hash);
 uint8_t getBlockAt (int x, int y, int z);
-void writeChunkSection (int client_fd, int _x, int _z, int i);
 
 #endif