From b709a392436d4ed17e214cd9e302ddbd23d71c21 Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <tullivan99@gmail.com>
Date: Thu, 12 Oct 2017 08:32:21 -0400
Subject: more lua scripting

---
 include/attack.hpp         |  5 ++++-
 include/components/hit.hpp |  8 ++++----
 include/systems/lua.hpp    | 18 +++++++++++++++---
 3 files changed, 23 insertions(+), 8 deletions(-)

(limited to 'include')

diff --git a/include/attack.hpp b/include/attack.hpp
index 941e3d7..deea418 100644
--- a/include/attack.hpp
+++ b/include/attack.hpp
@@ -6,16 +6,17 @@
 #include <forward_list>
 #include <vector>
 
+#include <systems/lua.hpp>
 #include <texture.hpp>
 #include <vector2.hpp>
 
 struct Attack {
-	int power;
 	vec2 offset;
 	vec2 range;
 	vec2 vel; // TODO use
 	vec2 accel; // TODO use
 
+	LuaScript script;
 	TextureIterator effect;
 };
 
@@ -50,6 +51,8 @@ public:
 	bool receive(const AttackEvent& ae);
 	void update(entityx::EntityManager& en, entityx::EventManager& ev, entityx::TimeDelta dt) override;
 	static void render(void);
+
+	static void initLua(LuaScript& s);
 };
 
 #endif // ATTACK_HPP_
diff --git a/include/components/hit.hpp b/include/components/hit.hpp
index 334712b..45e6466 100644
--- a/include/components/hit.hpp
+++ b/include/components/hit.hpp
@@ -3,14 +3,14 @@
 
 #include "base.hpp"
 
+#include <attack.hpp>
 #include <texture.hpp>
 
 struct Hit : public Component {
-	Hit(int d, bool p = false)
-		: damage(d), pierce(p) {}
+	Hit(Attack* a)
+		: attack(a) {}
 
-	int damage;
-	bool pierce;
+	Attack* attack;
 	TextureIterator effect;
 
 	void fromXML(XMLElement* imp, XMLElement* def) final {
diff --git a/include/systems/lua.hpp b/include/systems/lua.hpp
index 8c4698a..2df038a 100644
--- a/include/systems/lua.hpp
+++ b/include/systems/lua.hpp
@@ -13,7 +13,8 @@ private:
 	lua_State* state;
 	std::string script;
 
-	void setGlobal(const LuaVariable&);
+	void setGlobal(const LuaVariable&) const;
+	void getReturns(std::vector<double>& rets) const;
 
 	static void replace(std::string& s, const std::string& rid, const std::string& put) {
 		for (unsigned int i = 0; i < s.size(); i++) {
@@ -35,8 +36,19 @@ public:
 		lua_pcall(state, 0, 0, 0);
 	}
 
-	void operator()(std::vector<LuaVariable> vars);
-	void operator()(void);
+	inline lua_State* getState(void)
+	{ return state; }
+
+	inline void addFunction(const std::string& name, lua_CFunction func) {
+		lua_pushcclosure(state, func, 0);
+		lua_setglobal(state, name.c_str());
+	}
+
+	void operator()(const std::string& func, std::vector<LuaVariable> vars) const;
+	void operator()(const std::string& func, std::vector<double>& rets, std::vector<LuaVariable> vars) const;
+	void operator()(std::vector<LuaVariable> vars) const;
+	void operator()(std::vector<double>& rets, std::vector<LuaVariable> vars) const;
+	void operator()(const std::string& func = "update") const;
 };
 
 class LuaSystem {
-- 
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