bool complete_building(Unit &u) {
if (u.has_attribute(attr_type::building)) {
auto &build = u.get_attribute<attr_type::building>();
build.completed = 1.0f;
// set ground under a completed building
auto target_location = u.location.get();
bool placed_ok = target_location->place(build.completion_state);
if (placed_ok) {
target_location->set_ground(build.foundation_terrain, 0);
}
return placed_ok;
}
return false;
}
static void
update_ground(Word p ARG_LD)
{ Functor t = valueTerm(*p);
int arity = arityFunctor(t->definition);
Word a = &t->arguments[arity];
int ground = TRUE;
while(--a >= t->arguments)
{ if ( !can_share(a PASS_LD) )
{ ground = FALSE;
break;
}
}
if ( ground )
set_ground(t->definition);
}
void BuildAction::update_in_range(unsigned int time, Unit *target_unit) {
if (target_unit->has_attribute(attr_type::building)) {
auto &build = target_unit->get_attribute<attr_type::building>();
// upgrade floating outlines
auto target_location = target_unit->location.get();
if (target_location->is_floating()) {
// try to place the object
if (target_location->place(object_state::placed)) {
// modify ground terrain
if (build.foundation_terrain > 0) {
target_location->set_ground(build.foundation_terrain, 0);
}
}
else {
// failed to start construction
this->complete = 1.0f;
return;
}
}
// increment building completion
build.completed += build_rate * time;
this->complete = build.completed;
if (this->complete >= 1.0f) {
target_location->place(build.completion_state);
}
}
else {
this->complete = 1.0f;
}
// inc frame
this->frame += time * this->frame_rate / 2.5f;
}
