Some work towards scriptable events

1 files changed, 21 insertions, 42 deletions

diff --git a/src/control/ScriptContext.hpp b/src/control/ScriptContext.hpp
index 86c8c0f..f9f8445 100644
--- a/src/control/ScriptContext.hpp
+++ b/src/control/ScriptContext.hpp
@@ -36,6 +36,7 @@ extern "C" {
 
 #include <memory>
 #include <string>
+#include <unordered_set>
 
 
 namespace RPGEdit {
@@ -46,43 +47,25 @@ class ScriptContext {
 private:
 	lua_State *L;
 
-	void setupEnv() {
-		const std::pair<const char *, lua_CFunction> libs[] = {
-			{"_G", luaopen_base},
-			{"bit32", luaopen_bit32},
-			{"math", luaopen_math},
-			{"string", luaopen_string},
-			{"table", luaopen_table},
-		};
-
-		for (auto &lib : libs) {
-			luaL_requiref(L, lib.first, lib.second, 1);
-			lua_pop(L, 1);
-		}
-
-		for (const char *f : {"dofile", "loadfile", "require"}) {
-			lua_pushnil(L);
-			lua_setglobal(L, f);
-		}
-	}
+	std::unordered_set<std::string> loadedScripts;
 
-	void cleanupEnv() {
-		lua_pushglobaltable(L);
+	void setupEnv();
+	void cleanupEnv();
 
-		lua_pushnil(L);
-		lua_setmetatable(L, -2);
+	void load(const std::string &script);
 
-		lua_pushnil(L);
-		while (lua_next(L, -2) != 0) {
-			lua_pop(L, 1);
+	size_t pushArgs() {
+		return 0;
+	}
 
-			lua_pushvalue(L, -1);
+	template<typename... Args>
+	size_t pushArgs(Model::ScriptValue *v, Args ...args) {
+		if (v)
+			v->push(L);
+		else
 			lua_pushnil(L);
 
-			lua_rawset(L, -4);
-		}
-
-		lua_pop(L, 1);
+		return pushArgs(args...) + 1;
 	}
 
 public:
@@ -107,25 +90,21 @@ public:
 		lua_setglobal(L, key.c_str());
 	}
 
-	void load(const std::string &name) {
-		std::string filename = "../resources/script/" + name + ".lua";
+	template<typename... Args>
+	void run(const std::string &script, const std::string &name, Args ...args) {
+		load(script);
 
-		lua_rawgetp(L, LUA_REGISTRYINDEX, this);
-		lua_pushstring(L, name.c_str());
-		luaL_loadfile(L, filename.c_str());
-		lua_rawset(L, -3);
-		lua_pop(L, 1);
-	}
-
-	void run(const std::string &name) {
 		setupEnv();
 
 		lua_rawgetp(L, LUA_REGISTRYINDEX, this);
-		lua_getfield(L, -1, name.c_str());
+		lua_getfield(L, -1, script.c_str());
 		lua_remove(L, -2);
 
 		lua_call(L, 0, 0);
 
+		lua_getglobal(L, name.c_str());
+		lua_call(L, pushArgs(args...), 0);
+
 		cleanupEnv();
 	}
 };