From 5af8acfa6e41e258dd7e2135e8e75f03096c1d5c Mon Sep 17 00:00:00 2001
From: RealBadAngel <mk@realbadangel.pl>
Date: Mon, 4 Mar 2013 01:55:16 +0100
Subject: Added method to get all registered recipes for item(node)

---
 src/scriptapi.cpp | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

(limited to 'src/scriptapi.cpp')

diff --git a/src/scriptapi.cpp b/src/scriptapi.cpp
index ef8a1454a..074a2eb0d 100644
--- a/src/scriptapi.cpp
+++ b/src/scriptapi.cpp
@@ -1000,6 +1000,79 @@ static int l_notify_authentication_modified(lua_State *L)
 	return 0;
 }
 
+// get_craft_recipes(result item)
+static int l_get_all_craft_recipes(lua_State *L)
+{
+	char tmp[20];
+	int input_i = 1;
+	std::string o_item = luaL_checkstring(L,input_i);
+	IGameDef *gdef = get_server(L);
+	ICraftDefManager *cdef = gdef->cdef();
+	CraftInput input;
+	CraftOutput output(o_item,0);
+	std::vector<CraftDefinition*> recipes_list = cdef->getCraftRecipes(output, gdef);
+	if (recipes_list.empty())
+	{
+		lua_pushnil(L);
+		return 1;
+	}
+	// Get the table insert function
+	lua_getglobal(L, "table");
+	lua_getfield(L, -1, "insert");
+	int table_insert = lua_gettop(L);
+	lua_newtable(L);
+	int table = lua_gettop(L);
+	for(std::vector<CraftDefinition*>::const_iterator
+		i = recipes_list.begin();
+		i != recipes_list.end(); i++)
+	{
+		CraftOutput tmpout;
+		tmpout.item = "";
+		tmpout.time = 0;
+		CraftDefinition *def = *i;
+		tmpout = def->getOutput(input, gdef);
+		if(tmpout.item.substr(0,output.item.length()) == output.item)
+		{
+			input = def->getInput(output, gdef);
+			lua_pushvalue(L, table_insert);
+			lua_pushvalue(L, table);
+			lua_newtable(L);
+			int k = 0;
+			lua_newtable(L);
+			for(std::vector<ItemStack>::const_iterator
+				i = input.items.begin();
+				i != input.items.end(); i++, k++)
+			{
+				if (i->empty()) continue;
+				sprintf(tmp,"%d",k);
+				lua_pushstring(L,tmp);
+				lua_pushstring(L,i->name.c_str());
+				lua_settable(L, -3);
+			}
+			lua_setfield(L, -2, "items");
+			setintfield(L, -1, "width", input.width);
+			switch (input.method)
+				{
+				case CRAFT_METHOD_NORMAL:
+					lua_pushstring(L,"normal");
+					break;
+				case CRAFT_METHOD_COOKING:
+					lua_pushstring(L,"cooking");
+					break;
+				case CRAFT_METHOD_FUEL:
+					lua_pushstring(L,"fuel");
+					break;
+				default:
+					lua_pushstring(L,"unknown");
+				}
+			lua_setfield(L, -2, "type");
+			if(lua_pcall(L, 2, 0, 0))
+			script_error(L, "error: %s", lua_tostring(L, -1));
+		}
+	}
+	return 1;
+}
+
 // rollback_get_last_node_actor(p, range, seconds) -> actor, p, seconds
 static int l_rollback_get_last_node_actor(lua_State *L)
 {
@@ -1086,6 +1159,7 @@ static const struct luaL_Reg minetest_f [] = {
 	{"notify_authentication_modified", l_notify_authentication_modified},
 	{"get_craft_result", l_get_craft_result},
 	{"get_craft_recipe", l_get_craft_recipe},
+	{"get_all_craft_recipes", l_get_all_craft_recipes},
 	{"rollback_get_last_node_actor", l_rollback_get_last_node_actor},
 	{"rollback_revert_actions_by", l_rollback_revert_actions_by},
 	{NULL, NULL}
-- 
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