battle_prediction_pane::battle_prediction_pane(const battle_context &bc,
const map_location &attacker_loc, const map_location &defender_loc) :
gui::preview_pane(resources::screen->video()),
attacker_loc_(attacker_loc),
defender_loc_(defender_loc),
attacker_(*resources::units->find(attacker_loc)),
defender_(*resources::units->find(defender_loc)),
attacker_label_(),
defender_label_(),
attacker_label_width_(0),
defender_label_width_(0),
attacker_left_strings_(),
attacker_right_strings_(),
defender_left_strings_(),
defender_right_strings_(),
attacker_strings_width_(0),
attacker_left_strings_width_(0),
attacker_right_strings_width_(0),
defender_strings_width_(0),
defender_left_strings_width_(0),
defender_right_strings_width_(0),
units_strings_height_(0),
hp_distrib_string_(),
attacker_hp_distrib_(),
defender_hp_distrib_(),
hp_distrib_string_width_(0),
attacker_hp_distrib_width_(0),
defender_hp_distrib_width_(0),
attacker_hp_distrib_height_(0),
defender_hp_distrib_height_(0),
hp_distribs_height_(0),
attacker_width_(0),
defender_width_(0),
units_width_(0),
dialog_width_(0),
dialog_height_(0)
{
// Predict the battle outcome.
combatant attacker_combatant(bc.get_attacker_stats());
combatant defender_combatant(bc.get_defender_stats());
attacker_combatant.fight(defender_combatant);
const battle_context_unit_stats& attacker_stats = bc.get_attacker_stats();
const battle_context_unit_stats& defender_stats = bc.get_defender_stats();
// Create the hitpoints distribution graphics.
std::vector<std::pair<int, double> > hp_prob_vector;
get_hp_prob_vector(attacker_combatant.hp_dist, hp_prob_vector);
get_hp_distrib_surface(hp_prob_vector, attacker_stats, defender_stats, attacker_hp_distrib_,
attacker_hp_distrib_width_, attacker_hp_distrib_height_);
get_hp_prob_vector(defender_combatant.hp_dist, hp_prob_vector);
get_hp_distrib_surface(hp_prob_vector, defender_stats, attacker_stats, defender_hp_distrib_,
defender_hp_distrib_width_, defender_hp_distrib_height_);
hp_distribs_height_ = std::max<int>(attacker_hp_distrib_height_, defender_hp_distrib_height_);
// Build the strings and compute the layout.
attacker_label_ = _("Attacker");
defender_label_ = _("Defender");
attacker_label_width_ = font::line_width(attacker_label_, font::SIZE_PLUS, TTF_STYLE_BOLD);
defender_label_width_ = font::line_width(defender_label_, font::SIZE_PLUS, TTF_STYLE_BOLD);
// Get the units strings.
get_unit_strings(attacker_stats, attacker_, attacker_loc_, static_cast<float>(attacker_combatant.untouched),
defender_, defender_loc_, defender_stats.weapon,
attacker_left_strings_, attacker_right_strings_,
attacker_left_strings_width_, attacker_right_strings_width_, attacker_strings_width_);
get_unit_strings(defender_stats, defender_, defender_loc_, static_cast<float>(defender_combatant.untouched),
attacker_, attacker_loc_, attacker_stats.weapon,
defender_left_strings_, defender_right_strings_,
defender_left_strings_width_, defender_right_strings_width_, defender_strings_width_);
units_strings_height_ = std::max<int>(attacker_left_strings_.size(), defender_left_strings_.size())
* (font::SIZE_NORMAL + inter_line_gap_) + 14;
hp_distrib_string_ = _("Expected Battle Result (HP)");
hp_distrib_string_width_ = font::line_width(hp_distrib_string_, font::SIZE_SMALL);
attacker_width_ = std::max<int>(attacker_label_width_, attacker_strings_width_);
attacker_width_ = std::max<int>(attacker_width_, hp_distrib_string_width_);
attacker_width_ = std::max<int>(attacker_width_, attacker_hp_distrib_width_);
defender_width_ = std::max<int>(defender_label_width_, defender_strings_width_);
defender_width_ = std::max<int>(defender_width_, hp_distrib_string_width_);
defender_width_ = std::max<int>(defender_width_, defender_hp_distrib_width_);
units_width_ = std::max<int>(attacker_width_, defender_width_);
dialog_width_ = 2 * units_width_ + inter_units_gap_;
dialog_height_ = 15 + 24 + units_strings_height_ + 14 + 19 + hp_distribs_height_ + 18;
// Set the dialog size.
set_measurements(dialog_width_, dialog_height_);
}
int defender_weapon() const { return bc_.get_defender_stats().attack_num; }