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Code Issues Activity

spawn players at terrain height level

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p2r3
2025-08-12 13:07:42 +03:00
parent d2409ec0f5
commit 3b9ca68a57
4 changed files with 21 additions and 7 deletions
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15
main.c
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@@ -14,6 +14,7 @@
#include "src/tools.h" #include "src/tools.h"
#include "src/varnum.h" #include "src/varnum.h"
#include "src/packets.h" #include "src/packets.h"
#include "src/worldgen.h"
void handlePacket (int client_fd, int length, int packet_id) { void handlePacket (int client_fd, int length, int packet_id) {
@@ -59,7 +60,19 @@ void handlePacket (int client_fd, int length, int packet_id) {
PlayerData *player; PlayerData *player;
if (getPlayerData(client_fd, &player)) break; if (getPlayerData(client_fd, &player)) break;
sc_synchronizePlayerPosition(client_fd, player->x, player->y, player->z, player->yaw * 180 / 127, player->pitch * 90 / 127); if (player->y == -32767) { // is this a new player?
int _x = 8 / chunk_size;
int _z = 8 / chunk_size;
int rx = 8 % chunk_size;
int rz = 8 % chunk_size;
uint32_t chunk_hash = getChunkHash(_x, _z);
sc_synchronizePlayerPosition(client_fd, 8.5, getHeightAt(rx, rz, _x, _z, chunk_hash) + 1, 8.5, 0, 0);
} else {
sc_synchronizePlayerPosition(client_fd, player->x, player->y, player->z, player->yaw * 180 / 127, player->pitch * 90 / 127);
}
for (uint8_t i = 0; i < 41; i ++) { for (uint8_t i = 0; i < 41; i ++) {
sc_setContainerSlot(client_fd, 0, serverSlotToClientSlot(i), player->inventory_count[i], player->inventory_items[i]); sc_setContainerSlot(client_fd, 0, serverSlotToClientSlot(i), player->inventory_count[i], player->inventory_items[i]);

5
src/tools.c
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@@ -7,6 +7,7 @@
#include "globals.h" #include "globals.h"
#include "varnum.h" #include "varnum.h"
#include "packets.h" #include "packets.h"
#include "tools.h"
static uint64_t htonll (uint64_t value) { static uint64_t htonll (uint64_t value) {
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
@@ -144,9 +145,7 @@ int reservePlayerData (int client_fd, char *uuid) {
if (empty) { if (empty) {
player_data[i].client_fd = client_fd; player_data[i].client_fd = client_fd;
memcpy(player_data[i].uuid, uuid, 16); memcpy(player_data[i].uuid, uuid, 16);
player_data[i].x = 8; player_data[i].y = -32767;
player_data[i].y = 80;
player_data[i].z = 8;
return 0; return 0;
} }
} }

3
src/worldgen.c
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@@ -7,6 +7,7 @@
#include "globals.h" #include "globals.h"
#include "tools.h" #include "tools.h"
#include "registries.h" #include "registries.h"
#include "worldgen.h"
uint32_t getHash (const void *data, size_t len) { uint32_t getHash (const void *data, size_t len) {
const uint8_t *bytes = data; 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 interpolate (int a, int b, int c, int d, int x, int z) {
int top = a * (chunk_size - x) + b * x; int top = a * (chunk_size - x) + b * x;
int bottom = c * (chunk_size - x) + d * x; int bottom = c * (chunk_size - x) + d * x;

5
src/worldgen.h
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@@ -3,7 +3,10 @@
#include <stdint.h> #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); uint8_t getBlockAt (int x, int y, int z);
void writeChunkSection (int client_fd, int _x, int _z, int i);
#endif #endif