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Implement player attribute backend (#4155)

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* This backend permit mods to store extra players attributes to a common interface.
* Add the obj:set_attribute(attr, value) Lua call
* Add the obj:get_attribute(attr) Lua call

Examples:
* player:set_attribute("home:home", "10,25,-78")
* player:get_attribute("default:mana")

Attributes are saved as a json in the player file in extended_attributes
key

They are saved only if a modification on the attributes occurs and loaded
when emergePlayer is called (they are attached to PlayerSAO).
This commit is contained in:
Loïc Blot
2017-01-27 08:59:30 +01:00
committed by GitHub
parent 2a89531071
commit b7a98e9850
9 changed files with 128 additions and 6 deletions
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37
src/content_sao.h
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@@ -180,6 +180,7 @@ public:
}
};
typedef UNORDERED_MAP<std::string, std::string> PlayerAttributes;
class RemotePlayer;
class PlayerSAO : public UnitSAO
@@ -249,6 +250,39 @@ public:
int getWieldIndex() const;
void setWieldIndex(int i);
/*
Modding interface
*/
inline void setExtendedAttribute(const std::string &attr, const std::string &value)
{
m_extra_attributes[attr] = value;
m_extended_attributes_modified = true;
}
inline bool getExtendedAttribute(const std::string &attr, std::string *value)
{
if (m_extra_attributes.find(attr) == m_extra_attributes.end())
return false;
*value = m_extra_attributes[attr];
return true;
}
inline const PlayerAttributes &getExtendedAttributes()
{
return m_extra_attributes;
}
inline bool extendedAttributesModified() const
{
return m_extended_attributes_modified;
}
inline void setExtendedAttributeModified(bool v)
{
m_extended_attributes_modified = v;
}
/*
PlayerSAO-specific
*/
@@ -343,6 +377,9 @@ private:
f32 m_pitch;
f32 m_fov;
s16 m_wanted_range;
PlayerAttributes m_extra_attributes;
bool m_extended_attributes_modified;
public:
float m_physics_override_speed;
float m_physics_override_jump;