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BlockLine.c
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BlockLine.c
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#include <Server/IntelTent.h>
#include <Server/Server.h>
#include <Util/Checks/PlayerChecks.h>
#include <Util/Checks/PositionChecks.h>
#include <Util/Checks/TimeChecks.h>
#include <Util/Checks/BlockChecks.h>
#include <Util/Enums.h>
#include <Util/Log.h>
#include <Util/Nanos.h>
#include <Util/Uthash.h>
#include <Util/Utlist.h>
void send_block_line(server_t* server, player_t* player, vector3i_t start, vector3i_t end)
{
if (server->protocol.num_players == 0) {
return;
}
ENetPacket* packet = enet_packet_create(NULL, 26, ENET_PACKET_FLAG_RELIABLE);
stream_t stream = {packet->data, packet->dataLength, 0};
stream_write_u8(&stream, PACKET_TYPE_BLOCK_LINE);
stream_write_u8(&stream, player->id);
stream_write_u32(&stream, start.x);
stream_write_u32(&stream, start.y);
stream_write_u32(&stream, start.z);
stream_write_u32(&stream, end.x);
stream_write_u32(&stream, end.y);
stream_write_u32(&stream, end.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 (check->state == STATE_STARTING_MAP || check->state == STATE_LOADING_CHUNKS) {
block_node_t* node = (block_node_t*) malloc(sizeof(*node));
if (node == NULL) {
LOG_ERROR("Allocation of memory failed. EXITING");
server->running = 0;
return;
}
node->position.x = start.x;
node->position.y = start.y;
node->position.z = start.z;
node->position_end.x = end.x;
node->position_end.y = end.y;
node->position_end.z = end.z;
node->color = player->tool_color;
node->type = 10;
node->sender_id = player->id;
LL_APPEND(check->blockBuffer, node);
}
}
if (sent == 0) {
enet_packet_destroy(packet);
}
}
void send_block_line_to_player(server_t* server, player_t* player, player_t* receiver, vector3i_t start, vector3i_t end)
{
if (server->protocol.num_players == 0) {
return;
}
ENetPacket* packet = enet_packet_create(NULL, 26, ENET_PACKET_FLAG_RELIABLE);
stream_t stream = {packet->data, packet->dataLength, 0};
stream_write_u8(&stream, PACKET_TYPE_BLOCK_LINE);
stream_write_u8(&stream, player->id);
stream_write_u32(&stream, start.x);
stream_write_u32(&stream, start.y);
stream_write_u32(&stream, start.z);
stream_write_u32(&stream, end.x);
stream_write_u32(&stream, end.y);
stream_write_u32(&stream, end.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_line(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 blockline packet", player->id, received_id);
}
if (player->sprinting) {
return;
}
uint64_t time_now = get_nanos();
if (player->blocks > 0 && player->can_build && server->global_ab && player->item == TOOL_BLOCK &&
diff_is_older_then(time_now, &player->timers.since_last_block_plac, BLOCK_DELAY) &&
diff_is_older_then_dont_update(time_now, player->timers.since_last_block_dest, BLOCK_DELAY) &&
diff_is_older_then_dont_update(time_now, player->timers.since_last_3block_dest, BLOCK_DELAY))
{
vector3i_t start;
vector3i_t end;
start.x = stream_read_u32(data);
start.y = stream_read_u32(data);
start.z = stream_read_u32(data);
end.x = stream_read_u32(data);
end.y = stream_read_u32(data);
end.z = stream_read_u32(data);
if (!is_block_placable(server, start) || !is_block_placable(server, end)) {
return;
}
vector3f_t startF = {start.x, start.y, start.z};
vector3f_t endF = {end.x, end.y, end.z};
if (distance_in_3d(endF, player->movement.position) <= 4 && distance_in_3d(startF, player->locAtClick) <= 4 &&
valid_pos_v3f(server, startF) && valid_pos_v3f(server, endF))
{
int size = line_get_blocks(&start, &end, server->s_map.result_line);
player->blocks -= size;
for (int i = 0; i < size; i++) {
mapvxl_set_color(&server->s_map.map,
server->s_map.result_line[i].x,
server->s_map.result_line[i].y,
server->s_map.result_line[i].z,
player->tool_color.raw);
}
moveIntelAndTentUp(server);
send_block_line(server, player, start, end);
}
}
}