// punch(self, puncher, time_from_last_punch, tool_capabilities, dir)
int ObjectRef::l_punch(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
ObjectRef *puncher_ref = checkobject(L, 2);
ServerActiveObject *co = getobject(ref);
ServerActiveObject *puncher = getobject(puncher_ref);
if (co == NULL) return 0;
if (puncher == NULL) return 0;
v3f dir;
if (lua_type(L, 5) != LUA_TTABLE)
dir = co->getBasePosition() - puncher->getBasePosition();
else
dir = read_v3f(L, 5);
float time_from_last_punch = 1000000;
if (lua_isnumber(L, 3))
time_from_last_punch = lua_tonumber(L, 3);
ToolCapabilities toolcap = read_tool_capabilities(L, 4);
dir.normalize();
u16 src_original_hp = co->getHP();
u16 dst_origin_hp = puncher->getHP();
// Do it
co->punch(dir, &toolcap, puncher, time_from_last_punch);
// If the punched is a player, and its HP changed
if (src_original_hp != co->getHP() &&
co->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
getServer(L)->SendPlayerHPOrDie((PlayerSAO *)co, PlayerHPChangeReason(PlayerHPChangeReason::PLAYER_PUNCH, puncher));
}
// If the puncher is a player, and its HP changed
if (dst_origin_hp != puncher->getHP() &&
puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
getServer(L)->SendPlayerHPOrDie((PlayerSAO *)puncher,
PlayerHPChangeReason(PlayerHPChangeReason::PLAYER_PUNCH, co));
}
return 0;
}
// get_hp(self)
// returns: number of hitpoints (2 * number of hearts)
// 0 if not applicable to this type of object
int ObjectRef::l_get_hp(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
ServerActiveObject *co = getobject(ref);
if (co == NULL) {
// Default hp is 1
lua_pushnumber(L, 1);
return 1;
}
int hp = co->getHP();
/*infostream<<"ObjectRef::l_get_hp(): id="<<co->getId()
<<" hp="<<hp<<std::endl;*/
// Return
lua_pushnumber(L, hp);
return 1;
}
// set_hp(self, hp)
// hp = number of hitpoints (2 * number of hearts)
// returns: nil
int ObjectRef::l_set_hp(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
luaL_checknumber(L, 2);
ServerActiveObject *co = getobject(ref);
if(co == NULL) return 0;
int hp = lua_tonumber(L, 2);
/*infostream<<"ObjectRef::l_set_hp(): id="<<co->getId()
<<" hp="<<hp<<std::endl;*/
// Do it
co->setHP(hp);
if (co->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
getServer(L)->SendPlayerHPOrDie(((PlayerSAO*)co)->getPeerID(), co->getHP() == 0);
}
// Return
return 0;
}
// set_properties(self, properties)
int ObjectRef::l_set_properties(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
ObjectRef *ref = checkobject(L, 1);
ServerActiveObject *co = getobject(ref);
if (co == NULL) return 0;
ObjectProperties *prop = co->accessObjectProperties();
if (!prop)
return 0;
read_object_properties(L, 2, prop, getServer(L)->idef());
if (prop->hp_max < co->getHP()) {
PlayerHPChangeReason reason(PlayerHPChangeReason::SET_HP);
co->setHP(prop->hp_max, reason);
if (co->getType() == ACTIVEOBJECT_TYPE_PLAYER)
getServer(L)->SendPlayerHPOrDie((PlayerSAO *)co, reason);
}
co->notifyObjectPropertiesModified();
return 0;
}