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NodeMetaRef:{to,from}_table and lua_api.txt additions

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This commit is contained in:
Perttu Ahola 2012-06-02 11:01:28 +03:00
parent 5f3c70061d
commit 3899f83da8
6 changed files with 191 additions and 86 deletions
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155
src/scriptapi.cpp
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@ -1233,6 +1233,8 @@ static void inventory_get_list_to_lua(Inventory *inv, const char *name,
if(lua_pcall(L, 2, 0, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
}
lua_remove(L, -2); // Remove table
lua_remove(L, -2); // Remove insert
}
/*
@ -2087,98 +2089,91 @@ private:
InvRef::createNodeMeta(L, ref->m_p);
return 1;
}
// get_inventory_draw_spec(self)
static int l_get_inventory_draw_spec(lua_State *L)
// to_table(self)
static int l_to_table(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
NodeMetadata *meta = getmeta(ref, false);
NodeMetadata *meta = getmeta(ref, true);
if(meta == NULL){
lua_pushlstring(L, "", 0);
lua_pushnil(L);
return 1;
}
std::string str = meta->getString("formspec");
lua_pushlstring(L, str.c_str(), str.size());
lua_newtable(L);
// fields
lua_newtable(L);
{
std::map<std::string, std::string> fields = meta->getStrings();
for(std::map<std::string, std::string>::const_iterator
i = fields.begin(); i != fields.end(); i++){
const std::string &name = i->first;
const std::string &value = i->second;
lua_pushlstring(L, name.c_str(), name.size());
lua_pushlstring(L, value.c_str(), value.size());
lua_settable(L, -3);
}
}
lua_setfield(L, -2, "fields");
// inventory
lua_newtable(L);
Inventory *inv = meta->getInventory();
if(inv){
std::vector<const InventoryList*> lists = inv->getLists();
for(std::vector<const InventoryList*>::const_iterator
i = lists.begin(); i != lists.end(); i++){
inventory_get_list_to_lua(inv, (*i)->getName().c_str(), L);
lua_setfield(L, -2, (*i)->getName().c_str());
}
}
lua_setfield(L, -2, "inventory");
return 1;
}
// set_inventory_draw_spec(self, text)
static int l_set_inventory_draw_spec(lua_State *L)
// from_table(self, table)
static int l_from_table(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
size_t len = 0;
const char *s = lua_tolstring(L, 2, &len);
std::string str(s, len);
NodeMetadata *meta = getmeta(ref, !str.empty());
if(meta == NULL || str == meta->getString("formspec"))
return 0;
meta->setString("formspec",str);
reportMetadataChange(ref);
return 0;
}
// get_form_spec(self)
static int l_get_form_spec(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
NodeMetadata *meta = getmeta(ref, false);
if(meta == NULL){
lua_pushlstring(L, "", 0);
int base = 2;
if(lua_isnil(L, base)){
// No metadata
ref->m_env->getMap().removeNodeMetadata(ref->m_p);
lua_pushboolean(L, true);
return 1;
}
std::string str = meta->getString("formspec");
lua_pushlstring(L, str.c_str(), str.size());
return 1;
}
// set_form_spec(self, text)
static int l_set_form_spec(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
size_t len = 0;
const char *s = lua_tolstring(L, 2, &len);
std::string str(s, len);
NodeMetadata *meta = getmeta(ref, !str.empty());
if(meta == NULL || str == meta->getString("formspec"))
return 0;
meta->setString("formspec",str);
reportMetadataChange(ref);
return 0;
}
// get_infotext(self)
static int l_get_infotext(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
NodeMetadata *meta = getmeta(ref, false);
if(meta == NULL){
lua_pushlstring(L, "", 0);
return 1;
// Has metadata; clear old one first
ref->m_env->getMap().removeNodeMetadata(ref->m_p);
// Create new metadata
NodeMetadata *meta = getmeta(ref, true);
// Set fields
lua_getfield(L, base, "fields");
int fieldstable = lua_gettop(L);
lua_pushnil(L);
while(lua_next(L, fieldstable) != 0){
// key at index -2 and value at index -1
std::string name = lua_tostring(L, -2);
size_t cl;
const char *cs = lua_tolstring(L, -1, &cl);
std::string value(cs, cl);
meta->setString(name, value);
lua_pop(L, 1); // removes value, keeps key for next iteration
}
// Set inventory
Inventory *inv = meta->getInventory();
lua_getfield(L, base, "inventory");
int inventorytable = lua_gettop(L);
lua_pushnil(L);
while(lua_next(L, inventorytable) != 0){
// key at index -2 and value at index -1
std::string name = lua_tostring(L, -2);
inventory_set_list_from_lua(inv, name.c_str(), L, -1);
lua_pop(L, 1); // removes value, keeps key for next iteration
}
std::string str = meta->getString("infotext");
lua_pushlstring(L, str.c_str(), str.size());
return 1;
}
// set_infotext(self, text)
static int l_set_infotext(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
size_t len = 0;
const char *s = lua_tolstring(L, 2, &len);
std::string str(s, len);
NodeMetadata *meta = getmeta(ref, !str.empty());
if(meta == NULL || str == meta->getString("infotext"))
return 0;
meta->setString("infotext",str);
reportMetadataChange(ref);
return 0;
lua_pushboolean(L, true);
return 1;
}
public:
@ -2240,12 +2235,8 @@ const luaL_reg NodeMetaRef::methods[] = {
method(NodeMetaRef, get_float),
method(NodeMetaRef, set_float),
method(NodeMetaRef, get_inventory),
method(NodeMetaRef, get_inventory_draw_spec),
method(NodeMetaRef, set_inventory_draw_spec),
method(NodeMetaRef, get_form_spec),
method(NodeMetaRef, set_form_spec),
method(NodeMetaRef, get_infotext),
method(NodeMetaRef, set_infotext),
method(NodeMetaRef, to_table),
method(NodeMetaRef, from_table),
{0,0}
};