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[2] Code cleanup in serverpackethandler (#9349)
* Code cleanup in serverpackethandler * do not define p_under unless a node is pointed * use switch-case and reduce indentation
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parent
d3d218940b
commit
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@ -986,10 +986,6 @@ void Server::handleCommand_Interact(NetworkPacket *pkt)
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// Update wielded item
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playersao->getPlayer()->setWieldIndex(item_i);
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// Get pointed to node (undefined if not POINTEDTYPE_NODE)
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v3s16 p_under = pointed.node_undersurface;
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v3s16 p_above = pointed.node_abovesurface;
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// Get pointed to object (NULL if not POINTEDTYPE_OBJECT)
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ServerActiveObject *pointed_object = NULL;
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if (pointed.type == POINTEDTHING_OBJECT) {
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@ -1002,17 +998,6 @@ void Server::handleCommand_Interact(NetworkPacket *pkt)
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}
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v3f pointed_pos_under = player_pos;
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v3f pointed_pos_above = player_pos;
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if (pointed.type == POINTEDTHING_NODE) {
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pointed_pos_under = intToFloat(p_under, BS);
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pointed_pos_above = intToFloat(p_above, BS);
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}
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else if (pointed.type == POINTEDTHING_OBJECT) {
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pointed_pos_under = pointed_object->getBasePosition();
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pointed_pos_above = pointed_pos_under;
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}
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/*
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Make sure the player is allowed to do it
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*/
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@ -1020,16 +1005,19 @@ void Server::handleCommand_Interact(NetworkPacket *pkt)
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actionstream << player->getName() << " attempted to interact with " <<
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pointed.dump() << " without 'interact' privilege" << std::endl;
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if (pointed.type != POINTEDTHING_NODE)
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return;
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// Re-send block to revert change on client-side
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RemoteClient *client = getClient(peer_id);
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// Digging completed -> under
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if (action == INTERACT_DIGGING_COMPLETED) {
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v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
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v3s16 blockpos = getNodeBlockPos(pointed.node_undersurface);
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client->SetBlockNotSent(blockpos);
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}
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// Placement -> above
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else if (action == INTERACT_PLACE) {
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v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_above, BS));
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v3s16 blockpos = getNodeBlockPos(pointed.node_abovesurface);
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client->SetBlockNotSent(blockpos);
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}
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return;
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@ -1037,7 +1025,6 @@ void Server::handleCommand_Interact(NetworkPacket *pkt)
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/*
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Check that target is reasonably close
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(only when digging or placing things)
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*/
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static thread_local const bool enable_anticheat =
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!g_settings->getBool("disable_anticheat");
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@ -1045,12 +1032,19 @@ void Server::handleCommand_Interact(NetworkPacket *pkt)
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if ((action == INTERACT_START_DIGGING || action == INTERACT_DIGGING_COMPLETED ||
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action == INTERACT_PLACE || action == INTERACT_USE) &&
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enable_anticheat && !isSingleplayer()) {
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float d = playersao->getEyePosition().getDistanceFrom(pointed_pos_under);
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v3f target_pos = player_pos;
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if (pointed.type == POINTEDTHING_NODE) {
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target_pos = intToFloat(pointed.node_undersurface, BS);
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} else if (pointed.type == POINTEDTHING_OBJECT) {
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target_pos = pointed_object->getBasePosition();
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}
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float d = playersao->getEyePosition().getDistanceFrom(target_pos);
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if (!checkInteractDistance(player, d, pointed.dump())) {
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if (!checkInteractDistance(player, d, pointed.dump())
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&& pointed.type == POINTEDTHING_NODE) {
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// Re-send block to revert change on client-side
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RemoteClient *client = getClient(peer_id);
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v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
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v3s16 blockpos = getNodeBlockPos(pointed.node_undersurface);
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client->SetBlockNotSent(blockpos);
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return;
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}
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@ -1062,20 +1056,20 @@ void Server::handleCommand_Interact(NetworkPacket *pkt)
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RollbackScopeActor rollback_scope(m_rollback,
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std::string("player:")+player->getName());
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/*
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0: start digging or punch object
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*/
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if (action == INTERACT_START_DIGGING) {
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switch (action) {
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// Start digging or punch object
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case INTERACT_START_DIGGING: {
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if (pointed.type == POINTEDTHING_NODE) {
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MapNode n(CONTENT_IGNORE);
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bool pos_ok;
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v3s16 p_under = pointed.node_undersurface;
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n = m_env->getMap().getNode(p_under, &pos_ok);
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if (!pos_ok) {
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infostream << "Server: Not punching: Node not found. "
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"Adding block to emerge queue." << std::endl;
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m_emerge->enqueueBlockEmerge(peer_id, getNodeBlockPos(p_above),
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false);
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m_emerge->enqueueBlockEmerge(peer_id,
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getNodeBlockPos(pointed.node_abovesurface), false);
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}
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if (n.getContent() != CONTENT_IGNORE)
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@ -1083,159 +1077,155 @@ void Server::handleCommand_Interact(NetworkPacket *pkt)
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// Cheat prevention
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playersao->noCheatDigStart(p_under);
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}
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else if (pointed.type == POINTEDTHING_OBJECT) {
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// Skip if object can't be interacted with anymore
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if (pointed_object->isGone())
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return;
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ItemStack selected_item, hand_item;
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ItemStack tool_item = playersao->getWieldedItem(&selected_item, &hand_item);
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ToolCapabilities toolcap =
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tool_item.getToolCapabilities(m_itemdef);
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v3f dir = (pointed_object->getBasePosition() -
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(playersao->getBasePosition() + playersao->getEyeOffset())
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).normalize();
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float time_from_last_punch =
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playersao->resetTimeFromLastPunch();
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u16 src_original_hp = pointed_object->getHP();
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u16 dst_origin_hp = playersao->getHP();
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u16 wear = pointed_object->punch(dir, &toolcap, playersao,
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time_from_last_punch);
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// Callback may have changed item, so get it again
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playersao->getWieldedItem(&selected_item);
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bool changed = selected_item.addWear(wear, m_itemdef);
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if (changed)
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playersao->setWieldedItem(selected_item);
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// If the object is a player and its HP changed
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if (src_original_hp != pointed_object->getHP() &&
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pointed_object->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
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SendPlayerHPOrDie((PlayerSAO *)pointed_object,
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PlayerHPChangeReason(PlayerHPChangeReason::PLAYER_PUNCH, playersao));
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}
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// If the puncher is a player and its HP changed
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if (dst_origin_hp != playersao->getHP())
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SendPlayerHPOrDie(playersao,
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PlayerHPChangeReason(PlayerHPChangeReason::PLAYER_PUNCH, pointed_object));
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return;
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}
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// Skip if the object can't be interacted with anymore
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if (pointed.type != POINTEDTHING_OBJECT || pointed_object->isGone())
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return;
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ItemStack selected_item, hand_item;
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ItemStack tool_item = playersao->getWieldedItem(&selected_item, &hand_item);
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ToolCapabilities toolcap =
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tool_item.getToolCapabilities(m_itemdef);
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v3f dir = (pointed_object->getBasePosition() -
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(playersao->getBasePosition() + playersao->getEyeOffset())
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).normalize();
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float time_from_last_punch =
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playersao->resetTimeFromLastPunch();
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u16 src_original_hp = pointed_object->getHP();
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u16 dst_origin_hp = playersao->getHP();
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u16 wear = pointed_object->punch(dir, &toolcap, playersao,
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time_from_last_punch);
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// Callback may have changed item, so get it again
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playersao->getWieldedItem(&selected_item);
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bool changed = selected_item.addWear(wear, m_itemdef);
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if (changed)
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playersao->setWieldedItem(selected_item);
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// If the object is a player and its HP changed
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if (src_original_hp != pointed_object->getHP() &&
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pointed_object->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
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SendPlayerHPOrDie((PlayerSAO *)pointed_object,
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PlayerHPChangeReason(PlayerHPChangeReason::PLAYER_PUNCH, playersao));
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}
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// If the puncher is a player and its HP changed
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if (dst_origin_hp != playersao->getHP())
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SendPlayerHPOrDie(playersao,
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PlayerHPChangeReason(PlayerHPChangeReason::PLAYER_PUNCH, pointed_object));
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return;
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} // action == INTERACT_START_DIGGING
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/*
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1: stop digging
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*/
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else if (action == INTERACT_STOP_DIGGING) {
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} // action == INTERACT_STOP_DIGGING
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case INTERACT_STOP_DIGGING:
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// Nothing to do
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return;
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/*
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2: Digging completed
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*/
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else if (action == INTERACT_DIGGING_COMPLETED) {
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case INTERACT_DIGGING_COMPLETED: {
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// Only digging of nodes
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if (pointed.type == POINTEDTHING_NODE) {
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bool pos_ok;
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MapNode n = m_env->getMap().getNode(p_under, &pos_ok);
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if (!pos_ok) {
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infostream << "Server: Not finishing digging: Node not found. "
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"Adding block to emerge queue." << std::endl;
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m_emerge->enqueueBlockEmerge(peer_id, getNodeBlockPos(p_above),
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false);
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if (pointed.type != POINTEDTHING_NODE)
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return;
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bool pos_ok;
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v3s16 p_under = pointed.node_undersurface;
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MapNode n = m_env->getMap().getNode(p_under, &pos_ok);
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if (!pos_ok) {
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infostream << "Server: Not finishing digging: Node not found. "
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"Adding block to emerge queue." << std::endl;
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m_emerge->enqueueBlockEmerge(peer_id,
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getNodeBlockPos(pointed.node_abovesurface), false);
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}
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/* Cheat prevention */
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bool is_valid_dig = true;
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if (enable_anticheat && !isSingleplayer()) {
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v3s16 nocheat_p = playersao->getNoCheatDigPos();
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float nocheat_t = playersao->getNoCheatDigTime();
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playersao->noCheatDigEnd();
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// If player didn't start digging this, ignore dig
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if (nocheat_p != p_under) {
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infostream << "Server: " << player->getName()
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<< " started digging "
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<< PP(nocheat_p) << " and completed digging "
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<< PP(p_under) << "; not digging." << std::endl;
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is_valid_dig = false;
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// Call callbacks
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m_script->on_cheat(playersao, "finished_unknown_dig");
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}
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/* Cheat prevention */
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bool is_valid_dig = true;
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if (enable_anticheat && !isSingleplayer()) {
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v3s16 nocheat_p = playersao->getNoCheatDigPos();
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float nocheat_t = playersao->getNoCheatDigTime();
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playersao->noCheatDigEnd();
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// If player didn't start digging this, ignore dig
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if (nocheat_p != p_under) {
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infostream << "Server: " << player->getName()
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<< " started digging "
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<< PP(nocheat_p) << " and completed digging "
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<< PP(p_under) << "; not digging." << std::endl;
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is_valid_dig = false;
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// Call callbacks
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m_script->on_cheat(playersao, "finished_unknown_dig");
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}
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// Get player's wielded item
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// See also: Game::handleDigging
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ItemStack selected_item, hand_item;
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playersao->getPlayer()->getWieldedItem(&selected_item, &hand_item);
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// Get player's wielded item
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// See also: Game::handleDigging
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ItemStack selected_item, hand_item;
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playersao->getPlayer()->getWieldedItem(&selected_item, &hand_item);
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// Get diggability and expected digging time
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DigParams params = getDigParams(m_nodedef->get(n).groups,
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&selected_item.getToolCapabilities(m_itemdef));
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// If can't dig, try hand
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if (!params.diggable) {
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params = getDigParams(m_nodedef->get(n).groups,
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&hand_item.getToolCapabilities(m_itemdef));
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}
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// If can't dig, ignore dig
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if (!params.diggable) {
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infostream << "Server: " << player->getName()
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<< " completed digging " << PP(p_under)
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<< ", which is not diggable with tool; not digging."
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<< std::endl;
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is_valid_dig = false;
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// Call callbacks
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m_script->on_cheat(playersao, "dug_unbreakable");
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}
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// Check digging time
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// If already invalidated, we don't have to
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if (!is_valid_dig) {
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// Well not our problem then
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}
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// Clean and long dig
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else if (params.time > 2.0 && nocheat_t * 1.2 > params.time) {
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// All is good, but grab time from pool; don't care if
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// it's actually available
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playersao->getDigPool().grab(params.time);
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}
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// Short or laggy dig
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// Try getting the time from pool
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else if (playersao->getDigPool().grab(params.time)) {
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// All is good
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}
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// Dig not possible
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else {
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infostream << "Server: " << player->getName()
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<< " completed digging " << PP(p_under)
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<< "too fast; not digging." << std::endl;
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is_valid_dig = false;
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// Call callbacks
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m_script->on_cheat(playersao, "dug_too_fast");
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}
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// Get diggability and expected digging time
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DigParams params = getDigParams(m_nodedef->get(n).groups,
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&selected_item.getToolCapabilities(m_itemdef));
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// If can't dig, try hand
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if (!params.diggable) {
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params = getDigParams(m_nodedef->get(n).groups,
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&hand_item.getToolCapabilities(m_itemdef));
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}
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/* Actually dig node */
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if (is_valid_dig && n.getContent() != CONTENT_IGNORE)
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m_script->node_on_dig(p_under, n, playersao);
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v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
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RemoteClient *client = getClient(peer_id);
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// Send unusual result (that is, node not being removed)
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if (m_env->getMap().getNode(p_under).getContent() != CONTENT_AIR) {
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// Re-send block to revert change on client-side
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client->SetBlockNotSent(blockpos);
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// If can't dig, ignore dig
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if (!params.diggable) {
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infostream << "Server: " << player->getName()
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<< " completed digging " << PP(p_under)
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<< ", which is not diggable with tool; not digging."
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<< std::endl;
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is_valid_dig = false;
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// Call callbacks
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m_script->on_cheat(playersao, "dug_unbreakable");
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}
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// Check digging time
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// If already invalidated, we don't have to
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if (!is_valid_dig) {
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// Well not our problem then
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}
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// Clean and long dig
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else if (params.time > 2.0 && nocheat_t * 1.2 > params.time) {
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// All is good, but grab time from pool; don't care if
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// it's actually available
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playersao->getDigPool().grab(params.time);
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}
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// Short or laggy dig
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// Try getting the time from pool
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else if (playersao->getDigPool().grab(params.time)) {
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// All is good
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}
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// Dig not possible
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else {
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client->ResendBlockIfOnWire(blockpos);
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infostream << "Server: " << player->getName()
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<< " completed digging " << PP(p_under)
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<< "too fast; not digging." << std::endl;
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is_valid_dig = false;
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// Call callbacks
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m_script->on_cheat(playersao, "dug_too_fast");
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}
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}
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/* Actually dig node */
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if (is_valid_dig && n.getContent() != CONTENT_IGNORE)
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m_script->node_on_dig(p_under, n, playersao);
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v3s16 blockpos = getNodeBlockPos(p_under);
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RemoteClient *client = getClient(peer_id);
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// Send unusual result (that is, node not being removed)
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if (m_env->getMap().getNode(p_under).getContent() != CONTENT_AIR)
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// Re-send block to revert change on client-side
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client->SetBlockNotSent(blockpos);
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else
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client->ResendBlockIfOnWire(blockpos);
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return;
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} // action == INTERACT_DIGGING_COMPLETED
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/*
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3: place block or right-click object
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*/
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else if (action == INTERACT_PLACE) {
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// Place block or right-click object
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case INTERACT_PLACE: {
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ItemStack selected_item;
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playersao->getWieldedItem(&selected_item, nullptr);
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@ -1264,59 +1254,54 @@ void Server::handleCommand_Interact(NetworkPacket *pkt)
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}
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pointed_object->rightClick(playersao);
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} else if (m_script->item_OnPlace(
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selected_item, playersao, pointed)) {
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} else if (m_script->item_OnPlace(selected_item, playersao, pointed)) {
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// Placement was handled in lua
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// Apply returned ItemStack
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if (playersao->setWieldedItem(selected_item)) {
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if (playersao->setWieldedItem(selected_item))
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SendInventory(playersao, true);
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}
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}
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if (pointed.type != POINTEDTHING_NODE)
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return;
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// If item has node placement prediction, always send the
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// blocks to make sure the client knows what exactly happened
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RemoteClient *client = getClient(peer_id);
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v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_above, BS));
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v3s16 blockpos2 = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
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if (!selected_item.getDefinition(m_itemdef).node_placement_prediction.empty()) {
|
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v3s16 blockpos = getNodeBlockPos(pointed.node_abovesurface);
|
||||
v3s16 blockpos2 = getNodeBlockPos(pointed.node_undersurface);
|
||||
if (!selected_item.getDefinition(m_itemdef
|
||||
).node_placement_prediction.empty()) {
|
||||
client->SetBlockNotSent(blockpos);
|
||||
if (blockpos2 != blockpos) {
|
||||
if (blockpos2 != blockpos)
|
||||
client->SetBlockNotSent(blockpos2);
|
||||
}
|
||||
}
|
||||
else {
|
||||
} else {
|
||||
client->ResendBlockIfOnWire(blockpos);
|
||||
if (blockpos2 != blockpos) {
|
||||
if (blockpos2 != blockpos)
|
||||
client->ResendBlockIfOnWire(blockpos2);
|
||||
}
|
||||
}
|
||||
|
||||
return;
|
||||
} // action == INTERACT_PLACE
|
||||
|
||||
/*
|
||||
4: use
|
||||
*/
|
||||
else if (action == INTERACT_USE) {
|
||||
case INTERACT_USE: {
|
||||
ItemStack selected_item;
|
||||
playersao->getWieldedItem(&selected_item, nullptr);
|
||||
|
||||
actionstream << player->getName() << " uses " << selected_item.name
|
||||
<< ", pointing at " << pointed.dump() << std::endl;
|
||||
|
||||
if (m_script->item_OnUse(
|
||||
selected_item, playersao, pointed)) {
|
||||
if (m_script->item_OnUse(selected_item, playersao, pointed)) {
|
||||
// Apply returned ItemStack
|
||||
if (playersao->setWieldedItem(selected_item)) {
|
||||
if (playersao->setWieldedItem(selected_item))
|
||||
SendInventory(playersao, true);
|
||||
}
|
||||
}
|
||||
|
||||
} // action == INTERACT_USE
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
5: rightclick air
|
||||
*/
|
||||
else if (action == INTERACT_ACTIVATE) {
|
||||
// Rightclick air
|
||||
case INTERACT_ACTIVATE: {
|
||||
ItemStack selected_item;
|
||||
playersao->getWieldedItem(&selected_item, nullptr);
|
||||
|
||||
@ -1325,21 +1310,17 @@ void Server::handleCommand_Interact(NetworkPacket *pkt)
|
||||
|
||||
pointed.type = POINTEDTHING_NOTHING; // can only ever be NOTHING
|
||||
|
||||
if (m_script->item_OnSecondaryUse(
|
||||
selected_item, playersao, pointed)) {
|
||||
if (playersao->setWieldedItem(selected_item)) {
|
||||
if (m_script->item_OnSecondaryUse(selected_item, playersao, pointed)) {
|
||||
if (playersao->setWieldedItem(selected_item))
|
||||
SendInventory(playersao, true);
|
||||
}
|
||||
}
|
||||
} // action == INTERACT_ACTIVATE
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
default:
|
||||
warningstream << "Server: Invalid action " << action << std::endl;
|
||||
|
||||
/*
|
||||
Catch invalid actions
|
||||
*/
|
||||
else {
|
||||
warningstream << "Server: Invalid action "
|
||||
<< action << std::endl;
|
||||
}
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user