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[CSM] Add flavour limits controlled by server (#5930)

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* [CSM] Add flavour limits controlled by server

Server send flavour limits to client permitting to disable or limit some Lua calls

* Add limits for reading nodedefs and itemdefs

* flavour: Add lookup node limits

* Merge get_node_or_nil into get_node.

Sending fake node doesn't make sense in CSM, just return nil if node is not available for any reason

* Add node range customization when noderange flavour is enabled (default 8 nodes)

* Limit nodes range & disable chat message sending by default

* Bump protocol version
This commit is contained in:
Loïc Blot 2017-07-18 21:39:55 +02:00 • committed by GitHub
parent 7e3cdf7088
commit 79f19b8369
18 changed files with 136 additions and 29 deletions
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14
src/client.cpp
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@ -1361,8 +1361,22 @@ void Client::removeNode(v3s16 p)
}
}
/**
* Helper function for Client Side Modding
* Flavour is applied there, this should not be used for core engine
* @param p
* @param is_valid_position
* @return
*/
MapNode Client::getNode(v3s16 p, bool *is_valid_position)
{
if (checkCSMFlavourLimit(CSMFlavourLimit::CSM_FL_LOOKUP_NODES)) {
v3s16 ppos = floatToInt(m_env.getLocalPlayer()->getPosition(), BS);
if ((u32) ppos.getDistanceFrom(p) > m_csm_noderange_limit) {
*is_valid_position = false;
return MapNode();
}
}
return m_env.getMap().getNodeNoEx(p, is_valid_position);
}