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Added persistence plugin #23

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Merged
zoephix merged 1 commit into from
Feb 17, 2021
Merged

Added persistence plugin #23

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176 changes: 176 additions & 0 deletions plugins/persistence.lua
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Original file line number Diff line number Diff line change
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PLUGIN.name = "Persistence"
PLUGIN.desc = "Saves persisted entities through restarts."
PLUGIN.author = "Zoephix"

-- Storage for persisted map entities
PLUGIN.entities = PLUGIN.entities or {}

-- Entities which are blocked from interaction
PLUGIN.blacklist = PLUGIN.blacklist or {
[ "func_button" ] = true,
[ "class C_BaseEntity" ] = true,
[ "func_brush" ] = true,
[ "func_tracktrain" ] = true,
[ "func_door" ] = true,
[ "func_door_rotating" ] = true,
[ "prop_door_rotating" ] = true,
[ "prop_static" ] = true,
[ "prop_dynamic" ] = true,
[ "prop_physics_override" ] = true,
}

properties.Add( "persist", {
MenuLabel = "#makepersistent",
Order = 400,
MenuIcon = "icon16/link.png",

Filter = function( self, ent, ply )

if ( ent:IsPlayer() ) then return false end
if ( PLUGIN.blacklist[ent:GetClass()] ) then return false end
if ( !gamemode.Call( "CanProperty", ply, "persist", ent ) ) then return false end

return !ent:getNetVar( "persistent", false )

end,

Action = function( self, ent )

self:MsgStart()
net.WriteEntity( ent )
self:MsgEnd()

end,

Receive = function( self, length, ply )

local ent = net.ReadEntity()
if ( !IsValid( ent ) ) then return end
if ( !self:Filter( ent, ply ) ) then return end

ent:setNetVar( "persistent", true )

-- Register the entity
PLUGIN.entities[#PLUGIN.entities + 1] = ent

-- Add new log
nut.log.add(ply, "persistedEntity", ent )
end

} )

properties.Add( "persist_end", {
MenuLabel = "#stoppersisting",
Order = 400,
MenuIcon = "icon16/link_break.png",

Filter = function( self, ent, ply )

if ( ent:IsPlayer() ) then return false end
if ( !gamemode.Call( "CanProperty", ply, "persist", ent ) ) then return false end

return ent:getNetVar( "persistent", false )

end,

Action = function( self, ent )

self:MsgStart()
net.WriteEntity( ent )
self:MsgEnd()

end,

Receive = function( self, length, ply )

local ent = net.ReadEntity()
if ( !IsValid( ent ) ) then return end
if ( !properties.CanBeTargeted( ent, ply ) ) then return end
if ( !self:Filter( ent, ply ) ) then return end

ent:setNetVar( "persistent", false )

-- Remove entity from registration
for k, v in ipairs(PLUGIN.entities) do
if (v == entity) then
PLUGIN.entities[k] = nil

break
end
end

-- Add new log
nut.log.add(ply, "unpersistedEntity", ent )
end

} )

if (SERVER) then
nut.log.addType("persistedEntity", function(client, entity)
return string.format("%s has persisted '%s'.", client:Name(), entity)
end)

nut.log.addType("unpersistedEntity", function(client, entity)
return string.format("%s has removed persistence from '%s'.", client:Name(), entity)
end)

-- Prevent from picking up persisted entities
function PLUGIN:PhysgunPickup(client, entity)
if (entity:getNetVar("persistent", false)) then
return false
end
end

function PLUGIN:SaveData()
local data = {}

for k, v in ipairs(self.entities) do
if (IsValid(v)) then
local entData = {}
entData.class = v:GetClass()
entData.pos = v:GetPos()
entData.angles = v:GetAngles()
entData.model = v:GetModel()
entData.skin = v:GetSkin()
entData.color = v:GetColor()
entData.material = v:GetMaterial()
entData.bodygroups = v:GetBodyGroups()

local physicsObject = v:GetPhysicsObject()
if (IsValid(physicsObject)) then
entData.moveable = physicsObject:IsMoveable()
end

data[#data +1] = entData
end
end
self:setData(data)
end

function PLUGIN:LoadData()
for k, v in pairs(self:getData() or {}) do
local ent = ents.Create(v.class)
ent:SetPos(v.pos)
ent:SetAngles(v.angles)
ent:SetModel(v.model)
ent:SetSkin(v.skin)
ent:SetColor(v.color)
ent:SetMaterial(v.material)
ent:Spawn()
ent:Activate()

for _, data in pairs(v.bodygroups) do
ent:SetBodygroup(data.id, data.num)
end

local physicsObject = ent:GetPhysicsObject()
if (IsValid(physicsObject)) then
physicsObject:EnableMotion(ent.moveable or false)
end

ent:setNetVar("persistent", true)

self.entities[#self.entities + 1] = ent
end
end
end