/*
* Unserializes the data from buffer to a specialized object.
* Should return 1 on error, 0 on success.
* Serial reder position should be set to correct position before calling this.
*/
int object_unserialize(object *obj, serial *ser, game_state *gs) {
obj->pos.x = serial_read_float(ser);
obj->pos.y = serial_read_float(ser);
obj->vel.x = serial_read_float(ser);
obj->vel.y = serial_read_float(ser);
float gravity = serial_read_float(ser);
obj->direction = serial_read_int8(ser);
obj->group = serial_read_int8(ser);
obj->layers = serial_read_int8(ser);
uint8_t stride = serial_read_int8(ser);
uint8_t repeat = serial_read_int8(ser);
obj->sprite_override = serial_read_int8(ser);
obj->age = serial_read_int32(ser);
random_seed(&obj->rand_state, serial_read_int32(ser));
uint8_t animation_id = serial_read_int8(ser);
uint8_t pal_offset = serial_read_int8(ser);
int8_t hit_frames = serial_read_int8(ser);
int8_t can_hit = serial_read_int8(ser);
// Other stuff not included in serialization
obj->y_percent = 1.0;
obj->cur_animation_own = OWNER_EXTERNAL;
obj->cur_animation = NULL;
obj->cur_sprite = NULL;
obj->sound_translation_table = NULL;
obj->cur_surface = NULL;
obj->cur_remap = 0;
obj->halt = 0;
obj->halt_ticks = 0;
obj->cast_shadow = 0;
player_create(obj);
// Read animation state
uint16_t anim_str_len = serial_read_int16(ser);
char anim_str[anim_str_len+1];
if(anim_str_len > 0) {
serial_read(ser, anim_str, anim_str_len);
}
obj->animation_state.current_tick = (uint16_t)serial_read_int16(ser);
obj->animation_state.previous_tick = (uint16_t)serial_read_int16(ser);
uint8_t reverse = serial_read_int8(ser);
// Read the specialization ID from ther serial "stream".
// This should be an int.
int specialization_id = serial_read_int8(ser);
// This should automatically bootstrap the object so that it has at least
// unserialize function callback and local memory allocated
object_auto_specialize(obj, specialization_id);
// Now, if the object has unserialize function, call it with
// serialization data. serial object should be pointing to the
// start of that data.
if(obj->unserialize != NULL) {
obj->unserialize(obj, ser, animation_id, gs);
} else {
DEBUG("object has no special unserializer");
}
// Init animation with correct string and tick
if(anim_str_len > 0) {
// server is using a custom string
DEBUG("serialized object has custom animation string %s", anim_str);
player_reload_with_str(obj, anim_str);
}
if(reverse) {
object_set_playback_direction(obj, PLAY_BACKWARDS);
}
// deserializing hars can reset these, so we have to set this late
obj->stride = stride;
object_set_gravity(obj, gravity);
object_set_repeat(obj, repeat);
object_set_pal_offset(obj, pal_offset);
obj->hit_frames = hit_frames;
obj->can_hit = can_hit;
/*DEBUG("Animation state: [%d] %s, ticks = %d stride = %d direction = %d pos = %f,%f vel = %f,%f gravity = %f", strlen(player_get_str(obj))+1, player_get_str(obj), obj->animation_state.ticks, obj->stride, obj->animation_state.reverse, obj->pos.x, obj->pos.y, obj->vel.x, obj->vel.y, obj->gravity);*/
// Return success
return 0;
}
int net_controller_tick(controller *ctrl, int ticks, ctrl_event **ev) {
ENetEvent event;
wtf *data = ctrl->data;
ENetHost *host = data->host;
ENetPeer *peer = data->peer;
serial *ser;
/*int handled = 0;*/
while (enet_host_service(host, &event, 0) > 0) {
switch (event.type) {
case ENET_EVENT_TYPE_RECEIVE:
ser = malloc(sizeof(serial));
serial_create(ser);
ser->data = malloc(event.packet->dataLength);
ser->len = event.packet->dataLength;
memcpy(ser->data, event.packet->data, event.packet->dataLength);
switch(serial_read_int8(ser)) {
case EVENT_TYPE_ACTION:
{
// dispatch keypress to scene
int action = serial_read_int16(ser);
controller_cmd(ctrl, action, ev);
/*handled = 1;*/
serial_free(ser);
free(ser);
}
break;
case EVENT_TYPE_HB:
{
// got a tick
int id = serial_read_int8(ser);
if (id == data->id) {
int start = serial_read_int32(ser);
int peerticks = serial_read_int32(ser);
int newrtt = abs(start - ticks);
data->rttbuf[data->rttpos++] = newrtt;
if (data->rttpos >= 100) {
data->rttpos = 0;
data->rttfilled = 1;
}
if (data->rttfilled == 1) {
ctrl->rtt = avg_rtt(data->rttbuf, 100);
data->tick_offset = (peerticks + (ctrl->rtt/2)) - ticks;
/*DEBUG("I am %d ticks away from server: %d %d", data->tick_offset, ticks, peerticks);*/
}
data->outstanding_hb = 0;
data->last_hb = ticks;
serial_free(ser);
} else {
// a heartbeat from the peer, bounce it back
ENetPacket *packet;
// write our own ticks into it
serial_write_int32(ser, ticks);
packet = enet_packet_create(ser->data, ser->len, ENET_PACKET_FLAG_UNSEQUENCED);
if (peer) {
enet_peer_send(peer, 0, packet);
enet_host_flush (host);
}
}
free(ser);
}
break;
case EVENT_TYPE_SYNC:
controller_sync(ctrl, ser, ev);
/*handled = 1;*/
break;
default:
serial_free(ser);
free(ser);
}
enet_packet_destroy(event.packet);
break;
case ENET_EVENT_TYPE_DISCONNECT:
DEBUG("peer disconnected!");
data->disconnected = 1;
controller_close(ctrl, ev);
return 1; // bail the f**k out
break;
default:
break;
}
}
int tick_interval = 5;
if (data->rttfilled) {
tick_interval = 20;
}
if ((data->last_hb == -1 || ticks - data->last_hb > tick_interval) || !data->outstanding_hb) {
data->outstanding_hb = 1;
serial ser;
ENetPacket *packet;
serial_create(&ser);
serial_write_int8(&ser, EVENT_TYPE_HB);
serial_write_int8(&ser, data->id);
serial_write_int32(&ser, ticks);
packet = enet_packet_create(ser.data, ser.len, ENET_PACKET_FLAG_UNSEQUENCED);
if (peer) {
enet_peer_send(peer, 0, packet);
enet_host_flush (host);
} else {
DEBUG("peer is null~");
data->disconnected = 1;
controller_close(ctrl, ev);
}
}
/*if(!handled) {*/
/*controller_cmd(ctrl, ACT_STOP, ev);*/
/*}*/
return 0;
}
