Add prop-break related functions

lua/entities/gmod_wire_expression2/core/custom/cl_prop.lua

@@ -40,6 +40,8 @@ E2Helper.Descriptions["propSpawnEffect(n)"] = "Set to 1 to enable prop spawn eff
 E2Helper.Descriptions["propDelete(e:)"] = "Deletes the specified prop."
 E2Helper.Descriptions["propDelete(t:)"] = "Deletes all the props in the given table, returns the amount of props deleted."
 E2Helper.Descriptions["propDelete(r:)"] = "Deletes all the props in the given array, returns the amount of props deleted."
+E2Helper.Descriptions["propMakeBreakable(e:n)"] = "Pass 0 to make it non-breakable, any other value to make it breakable. You can't make breakable props out of natively-unbreakable props."
+E2Helper.Descriptions["propIsBreakable(e:)"] = "Returns 1, if the prop is breakable (including if prop has been previously marked as non-breakable by e:propMakeBreakable(n)), 0 otherwise."
 E2Helper.Descriptions["propFreeze(e:n)"] = "Passing 0 unfreezes the entity, everything else freezes it."
 E2Helper.Descriptions["propNotSolid(e:n)"] = "Passing 0 makes the entity solid, everything else makes it non-solid."
 E2Helper.Descriptions["propGravity(e:n)"] = "Passing 0 makes the entity weightless, everything else makes it weighty."

lua/entities/gmod_wire_expression2/core/custom/prop.lua

@@ -714,6 +714,27 @@ e2function void entity:propBreak()
 	this:Fire("break",1,0)
 end
 
+local unbreakableEntities = {}
+
+hook.Add("EntityTakeDamage", "~~~wire.prop.unbreakable_think", function(ent, dmginfo)
+	if unbreakableEntities[target:EntIndex()] then dmginfo:ScaleDamage(0) end
+end)
+
+hook.Add("EntityRemoved", "~~~wire.prop.clean_unbreakable_table", function(ent)
+	unbreakableEntities[ent:EntIndex()] = nil
+end)
+
+e2function void entity:propMakeBreakable( number breakable )
+	if not ValidAction(self, this, "break") then return end
+	unbreakableEntities[this:EntIndex()] = this:Health() > 0 and breakable == 0 and true or nil
+end
+
+[nodiscard]
+e2function number entity:propIsBreakable()
+	if not IsValid(this) then return self:throw("Invalid entity!", false) end
+	return this:Health() > 0 and not unbreakableEntities[this:EntIndex()] and 1 or 0
+end
+
 E2Lib.registerConstant("ENTITY_DISSOLVE_NORMAL", 0)
 E2Lib.registerConstant("ENTITY_DISSOLVE_ELECTRICAL", 1)
 E2Lib.registerConstant("ENTITY_DISSOLVE_ELECTRICAL_LIGHT", 2)