bool ScriptApiItem::item_OnDrop(ItemStack &item,
ServerActiveObject *dropper, v3f pos)
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
// Push callback function on stack
if (!getItemCallback(item.name.c_str(), "on_drop"))
return false;
// Call function
LuaItemStack::create(L, item);
objectrefGetOrCreate(L, dropper);
pushFloatPos(L, pos);
PCALL_RES(lua_pcall(L, 3, 1, error_handler));
if (!lua_isnil(L, -1)) {
try {
item = read_item(L,-1, getServer());
} catch (LuaError &e) {
throw LuaError(std::string(e.what()) + ". item=" + item.name);
}
}
lua_pop(L, 2); // Pop item and error handler
return true;
}
// get_acceleration(self)
int ObjectRef::l_get_acceleration(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
LuaEntitySAO *co = getluaobject(ref);
if (co == NULL) return 0;
// Do it
v3f v = co->getAcceleration();
pushFloatPos(L, v);
return 1;
}
// getvelocity(self)
int ObjectRef::l_getvelocity(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
{
PlayerSAO* co = getplayersao(ref);
if (co) {
v3f v = co->getPlayer()->getSpeed();
pushFloatPos(L, v);
return 1;
}
}
LuaEntitySAO *co = getluaobject(ref);
if (co == NULL) return 0;
// Do it
v3f v = co->getVelocity();
pushFloatPos(L, v);
return 1;
}
bool scriptapi_item_on_drop(lua_State *L, ItemStack &item,
ServerActiveObject *dropper, v3f pos)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
// Push callback function on stack
if(!get_item_callback(L, item.name.c_str(), "on_drop"))
return false;
// Call function
LuaItemStack::create(L, item);
objectref_get_or_create(L, dropper);
pushFloatPos(L, pos);
if(lua_pcall(L, 3, 1, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
if(!lua_isnil(L, -1))
item = read_item(L, -1);
return true;
}
bool ScriptApiItem::item_OnDrop(ItemStack &item,
ServerActiveObject *dropper, v3f pos)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Push callback function on stack
if(!getItemCallback(item.name.c_str(), "on_drop"))
return false;
// Call function
LuaItemStack::create(L, item);
objectrefGetOrCreate(dropper);
pushFloatPos(L, pos);
if(lua_pcall(L, 3, 1, errorhandler))
scriptError();
if(!lua_isnil(L, -1))
item = read_item(L,-1, getServer());
lua_pop(L, 2); // Pop item and error handler
return true;
}