void Unit::SetHeading(Vec2 new_heading) {
m_vHeading = Vec2Normalize(new_heading);
}
//--------------------------------------------------------------------------------------------------------------
//获取该矢量的单位化矢量
Vector2 Vector2::GetNormalizedVec() const
{
static Vector2 tmp;
Vec2Normalize( &tmp, this );
return tmp;
}
std::shared_ptr<api::Player> ClosestEnemySelector::Select(api::Bot* bot) {
ClientPtr client = bot->GetClient();
std::vector<api::PlayerPtr> enemies = client->GetEnemies();
if (enemies.size() == 0) return api::PlayerPtr(nullptr);
// Distance of closest enemy with multiplier applied
double closest_calc_dist = std::numeric_limits<double>::max();
api::PlayerPtr closest = api::PlayerPtr(nullptr);
// Determines how much the rotation difference will increase distance by
// TODO: change this to calculate rotation time using client settings
const double RotationMultiplier = 2.0;
Vec2 spawn(((Bot*)bot)->GetConfig().SpawnX, ((Bot*)bot)->GetConfig().SpawnY);
int center_radius = ((Bot*)bot)->GetConfig().CenterRadius;
bool center_only = ((Bot*)bot)->GetConfig().CenterOnly;
Vec2 bot_pos = bot->GetPos();
bool has_x = (bot->GetMemorySensor().GetBotPlayer()->GetStatus() & 4) != 0;
Vec2 half_resolution = Vec2(1920, 1080) / 2;
Vec2 view_min = bot_pos - half_resolution / 16;
Vec2 view_max = bot_pos + half_resolution / 16;
bool bot_in_center = InRect(bot_pos, spawn - center_radius, spawn + center_radius);
for (unsigned int i = 0; i < enemies.size(); i++) {
api::PlayerPtr& enemy = enemies.at(i);
int cdx, cdy;
double cdist;
Vec2 enemy_pos = enemy->GetPosition() / 16;
if (enemy_pos.x <= 0 && enemy_pos.y <= 0) continue;
if (client->IsInSafe(enemy_pos, bot->GetLevel())) continue;
bool in_center = InRect(enemy_pos, spawn - center_radius, spawn + center_radius);
if ((center_only || bot_in_center) && !in_center) continue;
Util::GetDistance(enemy_pos, bot_pos, &cdx, &cdy, &cdist);
if (cdist < 15 && bot->IsInSafe()) continue;
unsigned char status = enemy->GetStatus();
bool stealth = (status & 1) != 0;
bool cloak = (status & 2) != 0;
if (!has_x) {
if (stealth && cloak) continue;
bool visible = InRect(enemy_pos, view_min, view_max);
if (stealth && !visible) continue;
}
Vec2 to_target = Vec2Normalize(enemy_pos - bot_pos);
double dot = bot->GetHeading().Dot(to_target);
double multiplier = 1.0 + ((1.0 - dot) / RotationMultiplier);
double calc_dist = cdist * multiplier;
if (calc_dist < closest_calc_dist) {
closest_calc_dist = calc_dist;
closest = enemy;
}
}
return closest;
}
//--------------------------------------------------------------------------------------------------------------
//单位化该矢量
void Vector2::Normalize()
{
Vec2Normalize( this, this );
}