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Fix various bugs (Anticheat, Lua helpers) (#8013)
* Fix various bugs (Anticheat, Lua helpers) Anticheat: Use camera position instead of player position for shoot line calculations Lua helpers: Increase 'i' to not overwrite earlier added table values * Remove lag compensation * * 1.5 for larger selection boxes
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@ -627,7 +627,7 @@ void Server::handleCommand_InventoryAction(NetworkPacket* pkt)
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// Check for out-of-range interaction
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if (remote->type == InventoryLocation::NODEMETA) {
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v3f node_pos = intToFloat(remote->p, BS);
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v3f player_pos = player->getPlayerSAO()->getBasePosition();
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v3f player_pos = player->getPlayerSAO()->getEyePosition();
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f32 d = player_pos.getDistanceFrom(node_pos);
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if (!checkInteractDistance(player, d, "inventory"))
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return;
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@ -969,8 +969,9 @@ bool Server::checkInteractDistance(RemotePlayer *player, const f32 d, const std:
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else if (max_d < 0)
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max_d = BS * 4.0f;
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// cube diagonal: sqrt(3) = 1.732
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if (d > max_d * 1.732) {
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// Cube diagonal * 1.5 for maximal supported node extents:
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// sqrt(3) * 1.5 ≅ 2.6
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if (d > max_d + 2.6f * BS) {
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actionstream << "Player " << player->getName()
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<< " tried to access " << what
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<< " from too far: "
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@ -1109,7 +1110,9 @@ void Server::handleCommand_Interact(NetworkPacket* pkt)
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if ((action == 0 || action == 2 || action == 3 || action == 4) &&
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enable_anticheat && !isSingleplayer()) {
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float d = player_pos.getDistanceFrom(pointed_pos_under);
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float d = playersao->getEyePosition()
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.getDistanceFrom(pointed_pos_under);
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if (!checkInteractDistance(player, d, pointed.dump())) {
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// Re-send block to revert change on client-side
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RemoteClient *client = getClient(pkt->getPeerId());
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@ -348,7 +348,7 @@ void push_object_properties(lua_State *L, ObjectProperties *prop)
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u16 i = 1;
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for (const std::string &texture : prop->textures) {
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lua_pushlstring(L, texture.c_str(), texture.size());
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lua_rawseti(L, -2, i);
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lua_rawseti(L, -2, i++);
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}
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lua_setfield(L, -2, "textures");
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@ -356,7 +356,7 @@ void push_object_properties(lua_State *L, ObjectProperties *prop)
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i = 1;
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for (const video::SColor &color : prop->colors) {
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push_ARGB8(L, color);
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lua_rawseti(L, -2, i);
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lua_rawseti(L, -2, i++);
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}
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lua_setfield(L, -2, "colors");
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@ -838,7 +838,7 @@ void push_content_features(lua_State *L, const ContentFeatures &c)
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u16 i = 1;
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for (const std::string &it : c.connects_to) {
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lua_pushlstring(L, it.c_str(), it.size());
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lua_rawseti(L, -2, i);
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lua_rawseti(L, -2, i++);
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}
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lua_setfield(L, -2, "connects_to");
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@ -961,7 +961,7 @@ void push_box(lua_State *L, const std::vector<aabb3f> &box)
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u8 i = 1;
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for (const aabb3f &it : box) {
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push_aabb3f(L, it);
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lua_rawseti(L, -2, i);
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lua_rawseti(L, -2, i++);
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}
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}
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@ -532,8 +532,7 @@ int ModApiMainMenu::l_get_content_info(lua_State *L)
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int i = 1;
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for (const auto &dep : spec.depends) {
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lua_pushstring(L, dep.c_str());
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lua_rawseti(L, -2, i);
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i++;
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lua_rawseti(L, -2, i++);
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}
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lua_setfield(L, -2, "depends");
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@ -542,8 +541,7 @@ int ModApiMainMenu::l_get_content_info(lua_State *L)
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i = 1;
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for (const auto &dep : spec.optdepends) {
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lua_pushstring(L, dep.c_str());
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lua_rawseti(L, -2, i);
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i++;
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lua_rawseti(L, -2, i++);
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}
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lua_setfield(L, -2, "optional_depends");
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}
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@ -1042,8 +1042,7 @@ int ModApiMapgen::l_get_gen_notify(lua_State *L)
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int i = 1;
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for (u32 gen_notify_on_deco_id : emerge->gen_notify_on_deco_ids) {
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lua_pushnumber(L, gen_notify_on_deco_id);
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lua_rawseti(L, -2, i);
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i++;
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lua_rawseti(L, -2, i++);
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}
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return 2;
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}
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@ -1681,8 +1681,7 @@ int ObjectRef::l_get_sky(lua_State *L)
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s16 i = 1;
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for (const std::string ¶m : params) {
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lua_pushlstring(L, param.c_str(), param.size());
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lua_rawseti(L, -2, i);
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i++;
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lua_rawseti(L, -2, i++);
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}
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lua_pushboolean(L, clouds);
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return 4;
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