void Level::load(const Vector3& pos, const Quaternion& rot)
{
// Spawn units
const UnitResource* ur = level_resource::unit_resource(_resource);
const u32 num_units = ur->num_units;
array::resize(_unit_lookup, num_units);
for (u32 i = 0; i < num_units; ++i)
_unit_lookup[i] = _unit_manager->create();
spawn_units(*_world, *ur, pos, rot, array::begin(_unit_lookup));
// Post events
for (u32 i = 0; i < num_units; ++i)
_world->post_unit_spawned_event(_unit_lookup[i]);
// Play sounds
const u32 num_sounds = level_resource::num_sounds(_resource);
for (u32 i = 0; i < num_sounds; ++i)
{
const LevelSound* ls = level_resource::get_sound(_resource, i);
_world->play_sound(ls->name
, ls->loop
, ls->volume
, ls->position
, ls->range
);
}
}
void GameArbiter::process_command(Message *command) {
switch (command->type) {
case UnitMove: {
auto cmd = dynamic_cast<UnitMoveMessage *>(command);
int stack_id = cmd->data1;
IntSet units = cmd->data2;
Path& path = cmd->data3;
int target_id = cmd->data4;
UnitStack::pointer stack = game->stacks.get(stack_id);
if (units.empty() || !stack->has_units(units) || path.empty()) {
throw DataError() << "Invalid UnitMove message";
}
/* Check that the move is allowed; shorten it if necessary */
Point end_pos = path.back();
UnitStack::pointer end_stack = game->level.tiles[end_pos].stack;
int end_stack_id = end_stack ? end_stack->id : 0;
if (end_stack_id != target_id) {
path.pop_back();
target_id = 0;
}
MovementModel movement(game);
UnitStack::pointer selected_stack = stack->copy_subset(units);
unsigned int allowed_steps = movement.check_path(*selected_stack, path);
bool truncated = allowed_steps < path.size();
int attack_target_id = target_id;
if (truncated)
target_id = 0;
path.resize(allowed_steps);
if (!path.empty()) {
end_pos = path.back();
/* Generate updates. */
Faction::pointer faction = stack->owner;
bool move = units.size() == stack->units.size() && target_id == 0;
bool split = units.size() < stack->units.size() && target_id == 0;
bool merge = units.size() == stack->units.size() && target_id != 0;
UnitStack::pointer target = game->stacks.find(target_id);
if (move)
target_id = stack_id;
if (split)
target_id = game->get_free_stack_id();
// Send the moves
for (auto iter = path.begin(); iter != path.end(); iter++) {
emit(create_message(MoveUnits, stack_id, units, *iter));
}
// If the stack is splitting to a new empty position, create a stack there
if (split) {
emit(create_message(CreateStack, target_id, end_pos, faction->id));
}
emit(create_message(TransferUnits, stack_id, units, path, target_id));
// If the whole stack merged with an existing one, destroy it
if (merge) {
emit(create_message(DestroyStack, stack_id));
}
} else {
end_pos = stack->position;
}
UnitStack::pointer attack_target = game->stacks.find(attack_target_id);
bool attack = attack_target && (attack_target->owner != stack->owner);
if (attack) {
BOOST_LOG_TRIVIAL(debug) << "Attack!";
Point target_point = attack_target->position;
Point attacking_point = end_pos;
Battle battle(game, target_point, attacking_point);
battle.run();
emit(create_message(DoBattle, end_stack_id, target_point, battle.moves));
}
} break;
case FactionReady: {
auto cmd = dynamic_cast<FactionReadyMessage *>(command);
int faction_id = cmd->data1;
bool ready = cmd->data2;
if (game->mark_faction_ready(faction_id, ready)) {
emit(create_message(FactionReady, faction_id, ready));
}
if (game->all_factions_ready()) {
emit(create_message(TurnEnd));
// process turn end
spawn_units();
game->turn_number++;
emit(create_message(TurnBegin, game->turn_number));
}
} break;
case Chat: {
auto chat_msg = dynamic_cast<ChatMessage *>(command);
emit(create_message(Chat, chat_msg->data));
} break;
case SetLevelData:
case CreateStructure:
case DestroyStructure: {
emit(command->shared_from_this());
} break;
default:
break;
}
}
