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unit.cpp
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unit.cpp
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/*
Copyright (C) 2003 - 2014 by David White <dave@whitevine.net>
Part of the Battle for Wesnoth Project http://www.wesnoth.org/
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY.
See the COPYING file for more details.
*/
/**
* @file
* Routines to manage units.
*/
#include "unit.hpp"
#include "actions/move.hpp"
#include "callable_objects.hpp"
#include "formula.hpp"
#include "game_display.hpp"
#include "game_events/handlers.hpp"
#include "game_preferences.hpp"
#include "gettext.hpp"
#include "halo.hpp"
#include "log.hpp"
#include "resources.hpp"
#include "unit_id.hpp"
#include "unit_abilities.hpp"
#include "terrain_filter.hpp"
#include "formula_string_utils.hpp"
#include "random_new.hpp"
#include "scripting/lua.hpp"
#include "side_filter.hpp"
#include "play_controller.hpp"
#include <boost/bind.hpp>
#include <boost/foreach.hpp>
static lg::log_domain log_unit("unit");
#define DBG_UT LOG_STREAM(debug, log_unit)
#define LOG_UT LOG_STREAM(info, log_unit)
#define WRN_UT LOG_STREAM(warn, log_unit)
#define ERR_UT LOG_STREAM(err, log_unit)
static lg::log_domain log_engine("engine");
#define ERR_NG LOG_STREAM(err, log_engine)
static lg::log_domain log_config("config");
#define WRN_CF LOG_STREAM(warn, log_config)
#define ERR_CONFIG LOG_STREAM(err, log_config)
static lg::log_domain log_enginerefac("enginerefac");
#define LOG_RG LOG_STREAM(info, log_enginerefac)
namespace {
const std::string ModificationTypes[] = { "advance", "trait", "object" };
const size_t NumModificationTypes = sizeof(ModificationTypes)/
sizeof(*ModificationTypes);
/**
* Pointers to units which have data in their internal caches. The
* destructor of an unit removes itself from the cache, so the pointers are
* always valid.
*/
static std::vector<const unit *> units_with_cache;
const std::string leader_crown_path = "misc/leader-crown.png";
}
/**
* Converts a string ID to a unit_type.
* Throws a game_error exception if the string does not correspond to a type.
*/
static const unit_type &get_unit_type(const std::string &type_id)
{
if ( type_id.empty() )
throw game::game_error("creating unit with an empty type field");
const unit_type *i = unit_types.find(type_id);
if (!i) throw game::game_error("unknown unit type: " + type_id);
return *i;
}
static unit_race::GENDER generate_gender(const unit_type & type, bool random_gender)
{
const std::vector<unit_race::GENDER>& genders = type.genders();
assert( genders.size() > 0 );
if ( random_gender == false || genders.size() == 1 ) {
return genders.front();
} else {
int random = random_new::generator->next_random();
return genders[random % genders.size()];
// Note: genders is guaranteed to be non-empty, so this is not a
// potential division by zero.
// Note: Whoever wrote this code, you should have used an assertion, to save others hours of work...
// If the assertion size>0 is failing for you, one possible cause is that you are constructing a unit
// from a unit type which has not been ``built'' using the unit_type_data methods.
}
}
static unit_race::GENDER generate_gender(const unit_type & u_type, const config &cfg)
{
const std::string& gender = cfg["gender"];
if(!gender.empty())
return string_gender(gender);
return generate_gender(u_type, cfg["random_gender"].to_bool());
}
const std::string& unit::leader_crown()
{
return leader_crown_path;
}
// Copy constructor
unit::unit(const unit& o):
cfg_(o.cfg_),
loc_(o.loc_),
advances_to_(o.advances_to_),
type_(o.type_),
type_name_(o.type_name_),
race_(o.race_),
id_(o.id_),
name_(o.name_),
underlying_id_(o.underlying_id_),
undead_variation_(o.undead_variation_),
variation_(o.variation_),
hit_points_(o.hit_points_),
max_hit_points_(o.max_hit_points_),
experience_(o.experience_),
max_experience_(o.max_experience_),
level_(o.level_),
recall_cost_(o.recall_cost_),
canrecruit_(o.canrecruit_),
recruit_list_(o.recruit_list_),
alignment_(o.alignment_),
flag_rgb_(o.flag_rgb_),
image_mods_(o.image_mods_),
unrenamable_(o.unrenamable_),
side_(o.side_),
gender_(o.gender_),
alpha_(o.alpha_),
unit_formula_(o.unit_formula_),
unit_loop_formula_(o.unit_loop_formula_),
unit_priority_formula_(o.unit_priority_formula_),
formula_vars_(o.formula_vars_ ? new game_logic::map_formula_callable(*o.formula_vars_) : o.formula_vars_),
movement_(o.movement_),
max_movement_(o.max_movement_),
vision_(o.vision_),
jamming_(o.jamming_),
movement_type_(o.movement_type_),
hold_position_(o.hold_position_),
end_turn_(o.end_turn_),
resting_(o.resting_),
attacks_left_(o.attacks_left_),
max_attacks_(o.max_attacks_),
states_(o.states_),
known_boolean_states_(o.known_boolean_states_),
variables_(o.variables_),
events_(o.events_),
filter_recall_(o.filter_recall_),
emit_zoc_(o.emit_zoc_),
state_(o.state_),
overlays_(o.overlays_),
role_(o.role_),
attacks_(o.attacks_),
facing_(o.facing_),
trait_names_(o.trait_names_),
trait_descriptions_(o.trait_descriptions_),
unit_value_(o.unit_value_),
goto_(o.goto_),
interrupted_move_(o.interrupted_move_),
is_fearless_(o.is_fearless_),
is_healthy_(o.is_healthy_),
modification_descriptions_(o.modification_descriptions_),
animations_(o.animations_),
anim_(NULL),
next_idling_(0),
frame_begin_time_(o.frame_begin_time_),
unit_halo_(halo::NO_HALO),
getsHit_(o.getsHit_),
refreshing_(o.refreshing_),
hidden_(o.hidden_),
draw_bars_(o.draw_bars_),
hp_bar_scaling_(o.hp_bar_scaling_),
xp_bar_scaling_(o.xp_bar_scaling_),
modifications_(o.modifications_),
invisibility_cache_()
{
}
unit::unit(const config &cfg, bool use_traits, const vconfig* vcfg) :
cfg_(),
loc_(cfg["x"] - 1, cfg["y"] - 1),
advances_to_(),
type_(&get_unit_type(cfg["parent_type"].blank() ? cfg["type"] : cfg["parent_type"])),
type_name_(),
race_(&unit_race::null_race),
id_(cfg["id"]),
name_(cfg["name"].t_str()),
underlying_id_(0),
undead_variation_(),
variation_(cfg["variation"].empty() ? type_->default_variation() : cfg["variation"]),
hit_points_(1),
max_hit_points_(0),
experience_(0),
max_experience_(0),
level_(0),
recall_cost_(-1),
canrecruit_(cfg["canrecruit"].to_bool()),
recruit_list_(),
alignment_(lexical_cast_default<unit_type::ALIGNMENT> (cfg["alignment"].str(), unit_type::NEUTRAL)),
flag_rgb_(),
image_mods_(),
unrenamable_(false),
side_(0),
gender_(generate_gender(*type_, cfg)),
alpha_(),
unit_formula_(),
unit_loop_formula_(),
unit_priority_formula_(),
formula_vars_(),
movement_(0),
max_movement_(0),
vision_(-1),
jamming_(0),
movement_type_(),
hold_position_(false),
end_turn_(false),
resting_(false),
attacks_left_(0),
max_attacks_(0),
states_(),
known_boolean_states_(known_boolean_state_names_.size(),false),
variables_(),
events_(),
filter_recall_(),
emit_zoc_(0),
state_(STATE_STANDING),
overlays_(),
role_(cfg["role"]),
attacks_(),
facing_(map_location::NDIRECTIONS),
trait_names_(),
trait_descriptions_(),
unit_value_(),
goto_(),
interrupted_move_(),
is_fearless_(false),
is_healthy_(false),
modification_descriptions_(),
animations_(),
anim_(NULL),
next_idling_(0),
frame_begin_time_(0),
unit_halo_(halo::NO_HALO),
getsHit_(0),
refreshing_(false),
hidden_(false),
draw_bars_(false),
hp_bar_scaling_(cfg["hp_bar_scaling"].blank() ? type_->hp_bar_scaling() : cfg["hp_bar_scaling"]),
xp_bar_scaling_(cfg["xp_bar_scaling"].blank() ? type_->xp_bar_scaling() : cfg["xp_bar_scaling"]),
modifications_(),
invisibility_cache_()
{
side_ = cfg["side"];
if(side_ <= 0) {
side_ = 1;
}
validate_side(side_);
underlying_id_ = cfg["underlying_id"];
set_underlying_id();
overlays_ = utils::parenthetical_split(cfg["overlays"], ',');
if(overlays_.size() == 1 && overlays_.front() == "") {
overlays_.clear();
}
if (const config &variables = cfg.child("variables")) {
variables_ = variables;
}
if(vcfg) {
const vconfig& filter_recall = vcfg->child("filter_recall");
if(!filter_recall.null())
filter_recall_ = filter_recall.get_config();
const vconfig::child_list& events = vcfg->get_children("event");
BOOST_FOREACH(const vconfig& e, events) {
events_.add_child("event", e.get_config());
}
}
else
{
filter_recall_ = cfg.child_or_empty("filter_recall");
BOOST_FOREACH(const config& unit_event, cfg.child_range("event")) {
events_.add_child("event", unit_event);
}
}
game_events::add_events(events_.child_range("event"));
facing_ = map_location::parse_direction(cfg["facing"]);
if(facing_ == map_location::NDIRECTIONS) facing_ = static_cast<map_location::DIRECTION>(rand()%map_location::NDIRECTIONS);
if (const config &mods = cfg.child("modifications")) {
modifications_ = mods;
}
// Apply the unit type's data to this unit.
advance_to(cfg, *type_, use_traits);
if (const config::attribute_value *v = cfg.get("race")) {
if (const unit_race *r = unit_types.find_race(*v)) {
race_ = r;
} else {
race_ = &unit_race::null_race;
}
}
level_ = cfg["level"].to_int(level_);
if (const config::attribute_value *v = cfg.get("undead_variation")) {
undead_variation_ = v->str();
}
if(const config::attribute_value *v = cfg.get("max_attacks")) {
max_attacks_ = std::max(0, v->to_int(1));
}
attacks_left_ = std::max(0, cfg["attacks_left"].to_int(max_attacks_));
if (const config::attribute_value *v = cfg.get("alpha")) {
alpha_ = lexical_cast_default<fixed_t>(*v);
}
if (const config::attribute_value *v = cfg.get("zoc")) {
emit_zoc_ = v->to_bool(level_ > 0);
}
if (const config::attribute_value *v = cfg.get("description")) {
cfg_["description"] = *v;
}
if (const config::attribute_value *v = cfg.get("cost")) {
unit_value_ = *v;
}
if (const config::attribute_value *v = cfg.get("halo")) {
clear_haloes();
cfg_["halo"] = *v;
}
if (const config::attribute_value *v = cfg.get("profile")) {
std::string big = *v, small = cfg["small_profile"];
adjust_profile(small, big, "");
cfg_["profile"] = big;
cfg_["small_profile"] = small;
}
max_hit_points_ = std::max(1, cfg["max_hitpoints"].to_int(max_hit_points_));
max_movement_ = std::max(0, cfg["max_moves"].to_int(max_movement_));
max_experience_ = std::max(1, cfg["max_experience"].to_int(max_experience_));
vision_ = cfg["vision"].to_int(vision_);
std::vector<std::string> temp_advances = utils::split(cfg["advances_to"]);
if(temp_advances.size() == 1 && temp_advances.front() == "null") {
advances_to_.clear();
}else if(temp_advances.size() >= 1 && temp_advances.front() != "") {
advances_to_ = temp_advances;
}
if (const config &ai = cfg.child("ai"))
{
unit_formula_ = ai["formula"].str();
unit_loop_formula_ = ai["loop_formula"].str();
unit_priority_formula_ = ai["priority"].str();
if (const config &ai_vars = ai.child("vars"))
{
formula_vars_ = new game_logic::map_formula_callable;
variant var;
BOOST_FOREACH(const config::attribute &i, ai_vars.attribute_range()) {
var.serialize_from_string(i.second);
formula_vars_->add(i.first, var);
}
} else {
formula_vars_ = game_logic::map_formula_callable_ptr();
}
}
//don't use the unit_type's attacks if this config has its own defined
config::const_child_itors cfg_range = cfg.child_range("attack");
if(cfg_range.first != cfg_range.second) {
attacks_.clear();
do {
attacks_.push_back(attack_type(*cfg_range.first));
} while(++cfg_range.first != cfg_range.second);
}
//don't use the unit_type's abilities if this config has its own defined
cfg_range = cfg.child_range("abilities");
if(cfg_range.first != cfg_range.second) {
cfg_.clear_children("abilities");
config &target = cfg_.add_child("abilities");
do {
target.append(*cfg_range.first);
} while(++cfg_range.first != cfg_range.second);
}
// Adjust the unit's defense, movement, vision, jamming, resistances, and
// flying status if this config has its own defined.
movement_type_.merge(cfg);
if (const config &status_flags = cfg.child("status"))
{
BOOST_FOREACH(const config::attribute &st, status_flags.attribute_range()) {
if (st.second.to_bool()) {
set_state(st.first, true);
}
}
}
if(cfg["ai_special"] == "guardian") {
set_state(STATE_GUARDIAN, true);
}
// Remove animations from private cfg, they're not needed there now
BOOST_FOREACH(const std::string& tag_name, unit_animation::all_tag_names()) {
cfg_.clear_children(tag_name);
}
if (const config::attribute_value *v = cfg.get("hitpoints")) {
hit_points_ = *v;
} else {
hit_points_ = max_hit_points_;
}
goto_.x = cfg["goto_x"].to_int() - 1;
goto_.y = cfg["goto_y"].to_int() - 1;
if (const config::attribute_value *v = cfg.get("moves")) {
movement_ = *v;
if(movement_ < 0) {
attacks_left_ = 0;
movement_ = 0;
}
} else {
movement_ = max_movement_;
}
experience_ = cfg["experience"];
resting_ = cfg["resting"].to_bool();
unrenamable_ = cfg["unrenamable"].to_bool();
/* We need to check to make sure that the cfg is not blank and if it
isn't pull that value otherwise it goes with the default of -1. */
if(!cfg["recall_cost"].blank()) {
recall_cost_ = cfg["recall_cost"].to_int(recall_cost_);
}
generate_name();
// Make the default upkeep "full"
if(cfg_["upkeep"].empty()) {
cfg_["upkeep"] = "full";
}
set_recruits(utils::split(cfg["extra_recruit"]));
game_config::add_color_info(cfg);
config input_cfg;
input_cfg.merge_attributes(cfg);
static char const *internalized_attrs[] = { "type", "id", "name",
"gender", "random_gender", "variation", "role", "ai_special",
"side", "underlying_id", "overlays", "facing", "race",
"level", "recall_cost", "undead_variation", "max_attacks",
"attacks_left", "alpha", "zoc", "flying", "cost",
"max_hitpoints", "max_moves", "vision", "jamming", "max_experience",
"advances_to", "hitpoints", "goto_x", "goto_y", "moves",
"experience", "resting", "unrenamable", "alignment",
"canrecruit", "extra_recruit", "x", "y", "placement",
"parent_type",
// Useless attributes created when saving units to WML:
"flag_rgb", "language_name" };
BOOST_FOREACH(const char *attr, internalized_attrs) {
input_cfg.remove_attribute(attr);
cfg_.remove_attribute(attr);
}
static char const *raw_attrs[] = { "description", "halo",
"profile", "small_profile", "upkeep", "usage", "ellipse",
"image", "image_icon", "random_traits", "generate_name" };
BOOST_FOREACH(const char *attr, raw_attrs) {
input_cfg.remove_attribute(attr);
}
BOOST_FOREACH(const config::attribute &attr, input_cfg.attribute_range()) {
if (attr.first == "do_not_list") continue;
WRN_UT << "Unknown attribute '" << attr.first << "' discarded." << std::endl;
}
//debug unit animations for units as they appear in game
/*for(std::vector<unit_animation>::const_iterator i = animations_.begin(); i != animations_.end(); ++i) {
std::cout << (*i).debug();
}*/
}
void unit::clear_status_caches()
{
for(std::vector<const unit *>::const_iterator itor = units_with_cache.begin();
itor != units_with_cache.end(); ++itor) {
(*itor)->clear_visibility_cache();
}
units_with_cache.clear();
}
unit::unit(const unit_type &u_type, int side, bool real_unit,
unit_race::GENDER gender) :
cfg_(),
loc_(),
advances_to_(),
type_(&u_type),
type_name_(),
race_(&unit_race::null_race),
id_(),
name_(),
underlying_id_(real_unit? 0: n_unit::id_manager::instance().next_fake_id()),
undead_variation_(),
variation_(type_->default_variation()),
hit_points_(0),
max_hit_points_(0),
experience_(0),
max_experience_(0),
level_(0),
recall_cost_(-1),
canrecruit_(false),
recruit_list_(),
alignment_(),
flag_rgb_(),
image_mods_(),
unrenamable_(false),
side_(side),
gender_(gender != unit_race::NUM_GENDERS ?
gender : generate_gender(u_type, real_unit)),
alpha_(),
unit_formula_(),
unit_loop_formula_(),
unit_priority_formula_(),
formula_vars_(),
movement_(0),
max_movement_(0),
vision_(-1),
jamming_(0),
movement_type_(),
hold_position_(false),
end_turn_(false),
resting_(false),
attacks_left_(0),
max_attacks_(0),
states_(),
known_boolean_states_( get_known_boolean_state_names().size(),false),
variables_(),
events_(),
filter_recall_(),
emit_zoc_(0),
state_(STATE_STANDING),
overlays_(),
role_(),
attacks_(),
facing_(static_cast<map_location::DIRECTION>(rand()%map_location::NDIRECTIONS)),
trait_names_(),
trait_descriptions_(),
unit_value_(),
goto_(),
interrupted_move_(),
is_fearless_(false),
is_healthy_(false),
modification_descriptions_(),
animations_(),
anim_(NULL),
next_idling_(0),
frame_begin_time_(0),
unit_halo_(halo::NO_HALO),
getsHit_(0),
refreshing_(false),
hidden_(false),
draw_bars_(false),
modifications_(),
invisibility_cache_()
{
cfg_["upkeep"]="full";
// Apply the unit type's data to this unit.
advance_to(u_type, real_unit);
if(real_unit) {
generate_name();
}
set_underlying_id();
// Set these after traits and modifications have set the maximums.
movement_ = max_movement_;
hit_points_ = max_hit_points_;
attacks_left_ = max_attacks_;
}
unit::~unit()
{
clear_haloes();
// Remove us from the status cache
std::vector<const unit *>::iterator itor =
std::find(units_with_cache.begin(), units_with_cache.end(), this);
if(itor != units_with_cache.end()) {
units_with_cache.erase(itor);
}
}
/**
* Assignment operator.
*
* This function is unsuitable for derived classes and MUST be overridden.
* Furthermore, derived classes must not explicitly call this version.
*
* The overriding function can be almost the same, except "new (this)" should
* be followed by the derived class instead of "unit(u)".
* (There was only one derived class when this was written, so this approach
* might be simplest.)
*/
unit& unit::operator=(const unit& u)
{
// Use copy constructor to make sure we are coherent
if (this != &u) {
this->~unit();
new (this) unit(u) ;
}
return *this ;
}
void unit::generate_name()
{
if (!name_.empty() || !cfg_["generate_name"].to_bool(true)) return;
name_ = race_->generate_name(gender_);
cfg_["generate_name"] = false;
}
/**
* Apply mandatory traits (e.g. undead, mechanical) to a unit and then
* fill out with available (leaders have a restricted set of available traits)
* traits until no more are available or the unit has its maximum number
* of traits.
* This routine does not apply the effects of added traits to a unit.
* That must be done by the caller.
* Note that random numbers used in config files don't work in multiplayer,
* so that leaders should be barred from all random traits until that
* is fixed. Later the restrictions will be based on play balance.
* @a musthaveonly is true when you don't want to generate random traits or
* you don't want to give any optional traits to a unit.
*/
void unit::generate_traits(bool musthaveonly)
{
LOG_UT << "Generating a trait for unit type " << type().log_id() << " with musthaveonly " << musthaveonly << "\n";
const unit_type &u_type = type();
// Calculate the unit's traits
config::const_child_itors current_traits = modifications_.child_range("trait");
std::vector<config> candidate_traits;
BOOST_FOREACH(const config &t, u_type.possible_traits())
{
// Skip the trait if the unit already has it.
const std::string &tid = t["id"];
bool already = false;
BOOST_FOREACH(const config &mod, current_traits)
{
if (mod["id"] == tid) {
already = true;
break;
}
}
if (already) continue;
// Add the trait if it is mandatory.
const std::string &avl = t["availability"];
if (avl == "musthave")
{
modifications_.add_child("trait", t);
current_traits = modifications_.child_range("trait");
continue;
}
// The trait is still available, mark it as a candidate for randomizing.
// For leaders, only traits with availability "any" are considered.
if (!musthaveonly && (!can_recruit() || avl == "any"))
candidate_traits.push_back(t);
}
if (musthaveonly) return;
// Now randomly fill out to the number of traits required or until
// there aren't any more traits.
int nb_traits = std::distance(current_traits.first, current_traits.second);
int max_traits = u_type.num_traits();
for (; nb_traits < max_traits && !candidate_traits.empty(); ++nb_traits)
{
int num = random_new::generator->next_random() % candidate_traits.size();
modifications_.add_child("trait", candidate_traits[num]);
candidate_traits.erase(candidate_traits.begin() + num);
}
// Once random traits are added, don't do it again.
// Such as when restoring a saved character.
cfg_["random_traits"] = false;
}
std::vector<std::string> unit::get_traits_list() const
{
std::vector<std::string> res;
BOOST_FOREACH(const config &mod, modifications_.child_range("trait"))
{
std::string const &id = mod["id"];
// Make sure to return empty id trait strings as otherwise
// names will not match in length (Bug #21967)
res.push_back(id);
}
return res;
}
/**
* Advances this unit to the specified type.
* Experience is left unchanged.
* Current hit point total is left unchanged unless it would violate max HP.
* Assumes gender_ and variation_ are set to their correct values.
*/
void unit::advance_to(const config &old_cfg, const unit_type &u_type,
bool use_traits)
{
// For reference, the type before this advancement.
const unit_type & old_type = type();
// Adjust the new type for gender and variation.
const unit_type & new_type = u_type.get_gender_unit_type(gender_).get_variation(variation_);
// Reset the scalar values first
trait_names_.clear();
trait_descriptions_.clear(),
is_fearless_ = false;
is_healthy_ = false;
// Clear modification-related caches
modification_descriptions_.clear();
// Clear the stored config and replace it with the one from the unit type,
// except for a few attributes.
config new_cfg;
static char const *persistent_attrs[] = { "upkeep", "ellipse",
"image", "image_icon", "usage", "random_traits", "generate_name" };
BOOST_FOREACH(const char *attr, persistent_attrs) {
if (const config::attribute_value *v = old_cfg.get(attr)) {
new_cfg[attr] = *v;
}
}
// Inherit from the new unit type.
new_cfg.merge_with(new_type.get_cfg_for_units());
// If unit has specific profile, remember it and keep it after advancing
std::string profile = old_cfg["profile"].str();
if ( !profile.empty() && profile != old_type.big_profile() ) {
new_cfg["profile"] = profile;
} else {
new_cfg["profile"] = new_type.big_profile();
}
profile = old_cfg["small_profile"].str();
if ( !profile.empty() && profile != old_type.small_profile() ) {
new_cfg["small_profile"] = profile;
} else {
new_cfg["small_profile"] = new_type.small_profile();
}
cfg_.swap(new_cfg);
// NOTE: There should be no need to access old_cfg (or new_cfg) after this
// line. Particularly since the swap might have affected old_cfg.
advances_to_ = new_type.advances_to();
race_ = new_type.race();
type_ = &new_type;
type_name_ = new_type.type_name();
cfg_["description"] = new_type.unit_description();
undead_variation_ = new_type.undead_variation();
max_experience_ = new_type.experience_needed(false);
level_ = new_type.level();
recall_cost_ = new_type.recall_cost();
/* Need to add a check to see if the unit's old cost is equal
to the unit's old unit_type cost first. If it is change the cost
otherwise keep the old cost. */
if(old_type.recall_cost() == recall_cost_) {
recall_cost_ = new_type.recall_cost();
}
alignment_ = new_type.alignment();
alpha_ = new_type.alpha();
max_hit_points_ = new_type.hitpoints();
hp_bar_scaling_ = new_type.hp_bar_scaling();
xp_bar_scaling_ = new_type.xp_bar_scaling();
max_movement_ = new_type.movement();
vision_ = new_type.vision(true);
jamming_ = new_type.jamming();
movement_type_ = new_type.movement_type();
emit_zoc_ = new_type.has_zoc();
attacks_ = new_type.attacks();
unit_value_ = new_type.cost();
max_attacks_ = new_type.max_attacks();
animations_ = new_type.animations();
flag_rgb_ = new_type.flag_rgb();
if (cfg_["random_traits"].to_bool(true)) {
generate_traits(!use_traits);
} else {
// This will add any "musthave" traits to the new unit that it doesn't already have.
// This covers the Dark Sorcerer advancing to Lich and gaining the "undead" trait,
// but random and/or optional traits are not added,
// and neither are inappropriate traits removed.
generate_traits(true);
}
// Apply modifications etc, refresh the unit.
// This needs to be after type and gender are fixed,
// since there can be filters on the modifications
// that may result in different effects after the advancement.
apply_modifications();
// Now that modifications are done modifying traits, check if poison should
// be cleared.
if ( get_state("unpoisonable") )
set_state(STATE_POISONED, false);
// Now that modifications are done modifying the maximum hit points,
// enforce this maximum.
if ( hit_points_ > max_hit_points_ )
hit_points_ = max_hit_points_;
// In case the unit carries EventWML, apply it now
game_events::add_events(cfg_.child_range("event"), new_type.id());
cfg_.clear_children("event");
refreshing_ = false;
anim_.reset();
}
std::string unit::big_profile() const
{
const std::string &prof = cfg_["profile"];
if (!prof.empty() && prof != "unit_image") {
return prof;
}
return absolute_image();
}
std::string unit::small_profile() const
{
const std::string &prof = cfg_["small_profile"];
if (!prof.empty() && prof != "unit_image") {
return prof;
}
return absolute_image();
}
static SDL_Color hp_color_(int hitpoints, int max_hitpoints)
{
double unit_energy = 0.0;
SDL_Color energy_color = {0,0,0,0};
if(max_hitpoints > 0) {
unit_energy = double(hitpoints)/double(max_hitpoints);
}
if(1.0 == unit_energy){
energy_color.r = 33;
energy_color.g = 225;
energy_color.b = 0;
} else if(unit_energy > 1.0) {
energy_color.r = 100;
energy_color.g = 255;
energy_color.b = 100;
} else if(unit_energy >= 0.75) {
energy_color.r = 170;
energy_color.g = 255;
energy_color.b = 0;
} else if(unit_energy >= 0.5) {
energy_color.r = 255;
energy_color.g = 175;
energy_color.b = 0;
} else if(unit_energy >= 0.25) {
energy_color.r = 255;
energy_color.g = 155;
energy_color.b = 0;
} else {
energy_color.r = 255;
energy_color.g = 0;
energy_color.b = 0;
}
return energy_color;
}
SDL_Color unit::hp_color() const
{
return hp_color_(hitpoints(), max_hitpoints());
}
SDL_Color unit::hp_color(int new_hitpoints) const
{
return hp_color_(new_hitpoints, hitpoints());
}
SDL_Color unit::xp_color() const
{
const SDL_Color near_advance_color = {255,255,255,0};
const SDL_Color mid_advance_color = {150,255,255,0};
const SDL_Color far_advance_color = {0,205,205,0};
const SDL_Color normal_color = {0,160,225,0};
const SDL_Color near_amla_color = {225,0,255,0};
const SDL_Color mid_amla_color = {169,30,255,0};
const SDL_Color far_amla_color = {139,0,237,0};
const SDL_Color amla_color = {170,0,255,0};
const bool near_advance = max_experience() - experience() <= game_config::kill_experience;
const bool mid_advance = max_experience() - experience() <= game_config::kill_experience*2;
const bool far_advance = max_experience() - experience() <= game_config::kill_experience*3;
SDL_Color color=normal_color;
if(advances_to().size()){
if(near_advance){
color=near_advance_color;
} else if(mid_advance){
color=mid_advance_color;
} else if(far_advance){
color=far_advance_color;
}
} else if (get_modification_advances().size()){
if(near_advance){
color=near_amla_color;
} else if(mid_advance){
color=mid_amla_color;
} else if(far_advance){
color=far_amla_color;
} else {
color=amla_color;
}
}
return(color);
}
void unit::set_recruits(const std::vector<std::string>& recruits)
{
unit_types.check_types(recruits);
recruit_list_ = recruits;
//TODO crab
//info_.minimum_recruit_price = 0;
//ai::manager::raise_recruit_list_changed();
}
const std::vector<std::string> unit::advances_to_translated() const
{
std::vector<std::string> result;
BOOST_FOREACH(std::string adv_type_id, advances_to_)
{
const unit_type *adv_type = unit_types.find(adv_type_id);
if ( adv_type )
result.push_back(adv_type->type_name());
else
WRN_UT << "unknown unit in advances_to list of type "
<< type().log_id() << ": " << adv_type_id << "\n";
}