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BlockAction.c
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BlockAction.c
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#include <Server/Block.h>
#include <Server/Gamemodes/Gamemodes.h>
#include <Server/IntelTent.h>
#include <Server/Nodes.h>
#include <Server/Server.h>
#include <Server/Staff.h>
#include <Server/Structs/CommandStruct.h>
#include <Server/Structs/PacketStruct.h>
#include <Util/Checks/PlayerChecks.h>
#include <Util/Checks/PositionChecks.h>
#include <Util/Checks/TimeChecks.h>
#include <Util/Checks/ToolChecks.h>
#include <Util/Enums.h>
#include <Util/Log.h>
#include <Util/Nanos.h>
#include <Util/Uthash.h>
#include <Util/Utlist.h>
#include <stdint.h>
void send_block_action(server_t* server, player_t* player, uint8_t actionType, int X, int Y, int Z)
{
if (server->protocol.num_players == 0) {
return;
}
ENetPacket* packet = enet_packet_create(NULL, 15, ENET_PACKET_FLAG_RELIABLE);
stream_t stream = {packet->data, packet->dataLength, 0};
stream_write_u8(&stream, PACKET_TYPE_BLOCK_ACTION);
stream_write_u8(&stream, player->id);
stream_write_u8(&stream, actionType);
stream_write_u32(&stream, X);
stream_write_u32(&stream, Y);
stream_write_u32(&stream, Z);
uint8_t sent = 0;
player_t *check, *tmp;
HASH_ITER(hh, server->players, check, tmp)
{
if (is_past_state_data(check)) {
if (enet_peer_send(check->peer, 0, packet) == 0) {
sent = 1;
}
} else if (player->state == STATE_STARTING_MAP || player->state == STATE_LOADING_CHUNKS) {
block_node_t* node = (block_node_t*) malloc(sizeof(*node));
node->position.x = X;
node->position.y = Y;
node->position.z = Z;
node->color = player->tool_color;
node->type = actionType;
node->sender_id = player->id;
LL_APPEND(player->blockBuffer, node);
}
}
if (sent == 0) {
enet_packet_destroy(packet);
}
}
void send_block_action_to_player(server_t* server,
player_t* player,
player_t* receiver,
uint8_t actionType,
int X,
int Y,
int Z)
{
if (server->protocol.num_players == 0) {
return;
}
ENetPacket* packet = enet_packet_create(NULL, 15, ENET_PACKET_FLAG_RELIABLE);
stream_t stream = {packet->data, packet->dataLength, 0};
stream_write_u8(&stream, PACKET_TYPE_BLOCK_ACTION);
stream_write_u8(&stream, player->id);
stream_write_u8(&stream, actionType);
stream_write_u32(&stream, X);
stream_write_u32(&stream, Y);
stream_write_u32(&stream, Z);
uint8_t sent = 0;
if (enet_peer_send(receiver->peer, 0, packet) == 0) {
sent = 1;
}
if (sent == 0) {
enet_packet_destroy(packet);
}
}
void receive_block_action(server_t* server, player_t* player, stream_t* data)
{
uint8_t received_id = stream_read_u8(data);
if (player->id != received_id) {
LOG_WARNING("Assigned ID: %d doesnt match sent ID: %d in block action packet", player->id, received_id);
}
if (!(player->can_build && server->global_ab &&
switch_tool_delay_checks(player, get_nanos(), PACKET_TYPE_BLOCK_ACTION)) ||
player->sprinting)
{
return;
}
uint8_t action_type = stream_read_u8(data);
uint32_t X = stream_read_u32(data);
uint32_t Y = stream_read_u32(data);
uint32_t Z = stream_read_u32(data);
vector3i_t vector_block = {X, Y, Z};
vector3f_t vectorf_block = {(float) X, (float) Y, (float) Z};
vector3f_t player_vector = player->movement.position;
if (!((player->item == TOOL_SPADE && (action_type == 1 || action_type == 2)) ||
(player->item == TOOL_BLOCK && action_type == 0) || (player->item == TOOL_GUN && action_type == 1)))
{
LOG_WARNING("Player %s (#%hhu) may be using BlockExploit with Item: %d and Action: %d",
player->name,
player->id,
player->item,
action_type);
return;
}
handle_block_action(server, player, action_type, vector_block, vectorf_block, player_vector, X, Y, Z);
move_intel_and_tent_down(server);
}