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5f689104af
This LUA scripting implementation uses the sol header only C++ wrapper for the native LUA libraries. The API does not follow the original LU scripting. Each instance of a script is in its own LUA-State, and has 'self' as a global. There are hooks to all the implemented CppScript methods, as well as a subset of the entity functionallity. Has to be expanded upon. This is local work which has been sitting for awhile; thought someone might like to take a look at it.
123 lines
2.5 KiB
C++
123 lines
2.5 KiB
C++
#pragma once
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#include "dLua.h"
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#include "Entity.h"
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class LuaScript;
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/**
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* A struct for wrapping an Entity in Lua.
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*/
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struct lEntity {
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static void RegisterClass(LuaScript* script);
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LWOOBJID id;
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lEntity() : id(LWOOBJID_EMPTY) {}
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lEntity(LWOOBJID id) : id(id) {}
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lEntity(Entity* entity);
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/**
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* Checks if this entity is valid.
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*/
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bool IsValid() const;
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/**
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* Get the entity's ID.
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*/
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LWOOBJID GetID() const;
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/**
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* Get the entity's lot.
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*/
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LOT GetLOT() const;
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/**
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* Get the entity's position.
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*/
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NiPoint3 GetPosition() const;
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/**
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* Get the entity's rotation.
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*/
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NiQuaternion GetRotation() const;
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/**
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* Set the entit's position.
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*/
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void SetPosition(const NiPoint3& pos);
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/**
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* Set the entity's rotation.
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*/
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void SetRotation(const NiQuaternion& rot);
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/**
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* Set a variable in the entity's data table.
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*/
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void SetVar(const std::string& key, sol::object value);
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/**
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* Get a variable from the entity's data table.
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*/
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sol::object GetVar(LuaScript* script, const std::string& key);
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/**
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* Smash this entity.
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*/
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void Smash(sol::object smasher);
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/**
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* Add a timer.
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*/
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void AddTimer(const std::string& name, float seconds);
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/**
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* Load a LUA script and attach it to this entity.
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*/
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void LoadScript(const std::string& name);
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/**
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* Serialize this entity.
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*/
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void Serialize();
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Entity* GetEntity() const;
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Entity* GetEntityOrThrow() const;
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Entity* operator->() const;
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/**
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* Assets that this entity has a specific component.
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*/
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template <typename T>
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void AssertComponent() {
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if (!GetEntity()->HasComponent(T::ComponentType)) {
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throw std::runtime_error("Entity does not have component " + std::to_string(T::ComponentType));
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}
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}
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/**
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* Assets that an entity has a specific component.
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*/
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template <typename T>
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static inline void AssertComponent(lEntity entity) {
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if (!entity->HasComponent(T::ComponentType)) {
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throw std::runtime_error("Entity does not have component " + std::to_string(T::ComponentType));
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}
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}
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/**
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* Utility for getting a component, asserting it exists
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*/
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template <typename T>
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static inline T* GetComponent(lEntity entity) {
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entity.AssertComponent<T>();
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return entity->GetComponent<T>();
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}
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};
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