void t_move_missile::on_idle()
{
t_uint32 new_time = get_time();
// update animation (if any)
if (elapsed_time( new_time, m_last_update_time ) >= m_delay )
{
int frame = m_missile.get_current_frame_num();
frame++;
if (frame >= m_missile.get_frame_count())
frame = 0;
m_battlefield.set_current_frame_num( m_missile, frame );
m_last_update_time = new_time;
}
t_map_point_3d position;
t_uint32 next_time = get_next_time() - get_delay();
int skip_limit = 1;
// move missile forward one space
while (elapsed_time( new_time, next_time ) >= 0 && skip_limit-- > 0 )
{
next_time += get_delay();
if (m_distance_left <= 0)
{
t_idle_ptr reference = this;
suspend_idle_processing();
m_battlefield.remove_object( &m_missile );
animation_ended();
m_end_handler( m_attacker, m_target_position );
return;
}
t_map_point_3d delta;
int distance;
// limit distance moved to distance left
position = m_missile.get_position();
distance = m_move_distance;
if (distance > m_distance_left)
distance = m_distance_left;
m_distance_left -= distance;
// add distance to accumulator
m_sum += m_delta * distance;
// find integer portion of moved distance
delta = m_sum / m_distance;
position += delta;
m_sum -= delta * m_distance;
// calculate parabolic arc
if (m_is_parabolic)
{
position.height += m_vertical_velocity - k_gravity;
m_vertical_velocity -= k_gravity << 1;
}
}
set_next_time( next_time );
m_battlefield.move_object( m_missile, position );
}
// ------------------------------------------------------------------------
// do movement that's hidden
// ------------------------------------------------------------------------
void t_army_mover::do_hidden_move()
{
if (m_is_visible)
return;
if (m_path.size() == 0)
{
finish_path();
return;
}
t_adventure_map const& map = *m_army->get_map();
t_player& player = map.get_player();
int team = player.get_team();
declare_timer( timer_1, "do_hidden_movement" );
while (!m_is_visible && !m_halted)
{
t_adventure_path_point& point = m_path[m_step];
m_army->move( point );
expend_movement( point.move_cost );
mark_eluded_armies();
if (m_step == m_path.size() - 1)
{
finish_path();
return;
}
trigger_event();
if (m_halted)
return;
m_is_visible = !m_army->hidden_by_fog_of_war( team ) && show_enemy_moves();
if (m_is_visible)
break; // break here, because start_new_square will increment step.
++m_step;
declare_timer( timer_2, "on_starting_new_square: hidden" );
on_starting_new_square();
}
if (m_halted)
return;
m_army->set_action( k_adv_actor_action_walk );
m_distance = compute_overall_distance( m_path, m_step + 1 );
start_new_square();
prepare_move( 0 );
set_next_time( get_time() + get_delay() );
}
void set_step_interval(const Real value)
{
set_next_time(the_current_time_ + value);
}
// ------------------------------------------------------------------------
// Initialize from local or derived constructor. If use_army_path is false,
// m_path must already be set up.
// ------------------------------------------------------------------------
void t_army_mover::initialize( t_adventure_map_window* window, t_army* army,
bool limit_move, t_adventure_path_finder const* path_finder,
bool use_army_path )
{
m_window = window;
m_army = army;
m_in_trigger = false;
m_exceeded_move_limit = false;
m_is_visible = false;
m_movement_expended = 0;
m_has_trigger = false;
m_landing = false;
m_limit_move = limit_move;
m_original_position = army->get_position();
t_adventure_map& map = *army->get_map();
if ( use_army_path )
{
t_adventure_path path = army->get_path();
int i;
int move_left = army->get_movement();
bool is_boat = army->is_boat();
bool enemy_enforced_dest = false;
t_creature_array const* restricting_enemy = NULL;
t_adv_map_point restricted_dest;
t_player* owner = army->get_owner();
bool is_computer = owner && owner->is_computer();
bool built_boat = false;
bool hidden_enemy = false;
// copy path until we run out of movement or encounter a trigger
for (i = path.size() - 1; i >= 0; i--)
{
t_adventure_path_point& point = path[i];
// If the path goes into the attack radius of a hidden enemy
// then truncate the path
if ( path_finder != 0
&& point.actual_enemy_adjacent
&& point.actual_enemy_distance > 0
&& ( !point.visible_enemy_adjacent
|| point.actual_enemy_direction != point.visible_enemy_direction
|| point.actual_enemy_distance != point.visible_enemy_distance ))
{
restricting_enemy = find_enemy( map, *path_finder, point, *m_army );
if (restricting_enemy != 0)
{
int stealth_advantage;
stealth_advantage = restricting_enemy->get_stealth_level()
- m_army->get_anti_stealth_level();
if (stealth_advantage <= 0)
break;
if (stealth_advantage == 1 || restricting_enemy->get_owner_number() < 0)
hidden_enemy = true;
}
}
if ( path_finder && ( point.visible_restricts_movement || enemy_enforced_dest ) )
{
if (enemy_enforced_dest)
{
if ( (point != restricted_dest) && (point != restricting_enemy->get_position()) )
break;
}
else
{
restricting_enemy = find_restrictive_enemy( map, *path_finder, point, *m_army );
if (restricting_enemy != NULL)
enemy_enforced_dest = true;
}
restricted_dest = point + get_direction_offset( point.actual_enemy_direction );
}
if (point.move_cost > move_left && limit_move) {
m_actual_destination = point.last_point;
m_exceeded_move_limit = true;
break;
}
if (map.get_trigger_object( point.last_point, point.direction, army ))
{
m_has_trigger = true;
m_trigger_point = point;
}
if (is_boat)
{
if (!map.is_ocean( point ))
{
m_landing = true;
m_trigger_point = point;
break;
}
}
else
if (is_computer && !m_has_trigger && map.is_ocean( point ) && !m_exceeded_move_limit)
{
t_adventure_tile const& last_tile = map[point];
t_hero* most_spell_points = NULL;
if ( map.has_empty_boat( *m_army->get_owner() ) )
{
int most_spell_points_count = 0;
for (int i = 0; i < t_creature_array::k_size; i++)
{
t_hero* hero = (*m_army)[i].get_hero();
if (hero && hero->can_cast( k_spell_summon_boat ))
{
int cur_spell_points = hero->get_spell_points();
if ( (most_spell_points == NULL) || ( cur_spell_points > most_spell_points_count ) )
{
most_spell_points = hero;
most_spell_points_count = cur_spell_points;
}
}
}
}
if (most_spell_points != NULL)
{
army->get_adventure_frame()->ai_cast_summon_boat( *m_army, *most_spell_points, point );
}
else
if (last_tile.ai_can_build_ship())
{
t_adventure_object& object = map.get_adv_object(last_tile.ai_get_shipyard_id());
t_adv_shipyard* shipyard = dynamic_cast< t_adv_shipyard* >( &object );
t_adv_map_point boat_position;
if (shipyard != NULL)
built_boat = shipyard->find_new_ship_position( boat_position );
else
{
t_town* town = object.get_town();
if (town)
{
if ( !town->has( k_town_shipyard) )
{
if (town->has_built())
break;
town->buy_building( k_town_shipyard );
}
built_boat = town->find_new_ship_position( boat_position, false );
}
}
if (built_boat)
{
t_army* boat = new t_army( army->get_creatures().get_leader().get_alignment() );
boat->set_owner( army->get_owner_number() );
boat->place( map, boat_position );
owner->spend( army->get_ai()->get_boat_cost() ); // This destination pick wouldn't have been
// made unless he already had the cash.
}
}
}
if (map[point].blocks_army( *army, map, point.on_bridge, k_path_search_move_army ))
break;
// if the path actually enters a cell of an enemy, stop.
if (point.actual_enemy_adjacent && point.actual_enemy_distance == 0)
break;
m_path.push_back( point );
if (m_has_trigger || built_boat || hidden_enemy)
break;
}
}
m_halted = false;
m_step = -1;
m_distance = compute_overall_distance( m_path, 0 );
if (m_path.size() == 0)
{
m_cell_distance = 0;
m_crossing_point = -1;
m_distance = 0;
m_frames = 0;
m_divisor = 1;
m_delta = t_screen_point(0,0);
m_offset = t_screen_point(0,0);
m_distance_delta = 0;
m_is_visible = !m_army->hidden_by_fog_of_war( map.get_player().get_team() );
}
else
{
m_army->set_action( k_adv_actor_action_prewalk );
start_new_square();
prepare_move( 0 );
}
set_next_time( get_time() );
}
// ------------------------------------------------------------------------
// class to move army on adventure map
// ------------------------------------------------------------------------
void t_army_mover::do_movement()
{
int frame = m_army->get_frame();
int frame_count = m_army->get_frame_count();
t_adv_actor_action_id action = m_army->get_action();
t_uint32 current_time = get_time();
t_uint32 next_time = get_next_time() - get_delay();
t_counted_ptr<t_army_mover> ref = this;
t_window_ptr adv_frame = m_window->get_frame(); // temporary reference to prevent the adventure frame
// from removing itself if the game is over
bool entered_new_square = false;
declare_timer( timer_1, "do_movement" );
while ( m_frames > 0 && (!m_is_visible || elapsed_time( current_time, next_time ) >= 0) )
{
m_offset += m_delta;
m_cell_distance -= m_distance_delta;
if (m_cell_distance <= m_crossing_point)
{
enter_new_square();
}
m_army->set_frame_offset( m_offset / m_divisor );
frame++;
if (action == k_adv_actor_action_walk && frame == frame_count)
frame = 0;
if (frame < frame_count)
m_army->set_frame( frame );
m_frames--;
if (m_is_visible)
next_time += get_delay();
}
if (m_is_visible)
set_next_time( next_time );
// if m_frames is zero, we've hit the center of the cell, or we've
// finished a prewalk / walk / postwalk sequence
if (m_frames == 0)
{
if ((action == k_adv_actor_action_postwalk || m_path.size() == 0)
&& m_distance + m_cell_distance == 0)
{
finish_path();
return;
}
if (m_cell_distance == 0)
{
start_new_square();
entered_new_square = true;
trigger_event();
if (m_halted)
return;
}
else
{
m_cell_distance /= m_divisor;
m_crossing_point /= m_divisor;
}
prepare_move( frame );
}
if (entered_new_square)
{
declare_timer( timer_2, "on_starting_new_square" );
on_starting_new_square();
}
}
