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3239 lines (2951 loc) · 74.2 KB
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/*
* Copyright 2010-2016 OpenXcom Developers.
*
* This file is part of OpenXcom.
*
* OpenXcom 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 3 of the License, or
* (at your option) any later version.
*
* OpenXcom is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenXcom. If not, see <http://www.gnu.org/licenses/>.
*/
#include "BattleUnit.h"
#include "BattleItem.h"
#include <sstream>
#include "../Engine/Surface.h"
#include "../Engine/Language.h"
#include "../Engine/Options.h"
#include "../Battlescape/Pathfinding.h"
#include "../Battlescape/BattlescapeGame.h"
#include "../Battlescape/AIModule.h"
#include "Soldier.h"
#include "../Mod/Armor.h"
#include "../Mod/Unit.h"
#include "../Engine/RNG.h"
#include "../Mod/RuleInventory.h"
#include "../Mod/RuleSoldier.h"
#include "../Mod/Mod.h"
#include "Tile.h"
#include "SavedGame.h"
#include "SavedBattleGame.h"
#include "BattleUnitStatistics.h"
#include "../fmath.h"
namespace OpenXcom
{
/**
* Initializes a BattleUnit from a Soldier
* @param soldier Pointer to the Soldier.
* @param depth the depth of the battlefield (used to determine movement type in case of MT_FLOAT).
*/
BattleUnit::BattleUnit(Soldier *soldier, int depth) :
_faction(FACTION_PLAYER), _originalFaction(FACTION_PLAYER), _killedBy(FACTION_PLAYER), _id(0), _tile(0),
_lastPos(Position()), _direction(0), _toDirection(0), _directionTurret(0), _toDirectionTurret(0),
_verticalDirection(0), _status(STATUS_STANDING), _walkPhase(0), _fallPhase(0), _kneeled(false), _floating(false),
_dontReselect(false), _fire(0), _currentAIState(0), _visible(false), _cacheInvalid(true),
_expBravery(0), _expReactions(0), _expFiring(0), _expThrowing(0), _expPsiSkill(0), _expPsiStrength(0), _expMelee(0),
_motionPoints(0), _kills(0), _hitByFire(false), _moraleRestored(0), _coverReserve(0), _charging(0), _turnsSinceSpotted(255),
_statistics(), _murdererId(0), _mindControllerID(0), _fatalShotSide(SIDE_FRONT), _fatalShotBodyPart(BODYPART_HEAD),
_geoscapeSoldier(soldier), _unitRules(0), _rankInt(0), _turretType(-1), _hidingForTurn(false), _respawn(false)
{
_name = soldier->getName(true);
_id = soldier->getId();
_type = "SOLDIER";
_rank = soldier->getRankString();
_stats = *soldier->getCurrentStats();
_standHeight = soldier->getRules()->getStandHeight();
_kneelHeight = soldier->getRules()->getKneelHeight();
_floatHeight = soldier->getRules()->getFloatHeight();
_deathSound = std::vector<int>(); // this one is hardcoded
_aggroSound = -1;
_moveSound = -1; // this one is hardcoded
_intelligence = 2;
_aggression = 1;
_specab = SPECAB_NONE;
_armor = soldier->getArmor();
_movementType = _armor->getMovementType();
if (_movementType == MT_FLOAT)
{
if (depth > 0)
{
_movementType = MT_FLY;
}
else
{
_movementType = MT_WALK;
}
}
else if (_movementType == MT_SINK)
{
if (depth == 0)
{
_movementType = MT_FLY;
}
else
{
_movementType = MT_WALK;
}
}
_stats += *_armor->getStats(); // armors may modify effective stats
_loftempsSet = _armor->getLoftempsSet();
_gender = soldier->getGender();
_faceDirection = -1;
_breathFrame = 0;
_floorAbove = false;
_breathing = false;
int rankbonus = 0;
switch (soldier->getRank())
{
case RANK_SERGEANT: rankbonus = 1; break;
case RANK_CAPTAIN: rankbonus = 3; break;
case RANK_COLONEL: rankbonus = 6; break;
case RANK_COMMANDER: rankbonus = 10; break;
default: rankbonus = 0; break;
}
_value = 20 + soldier->getMissions() + rankbonus;
_tu = _stats.tu;
_energy = _stats.stamina;
_health = _stats.health;
_morale = 100;
_stunlevel = 0;
_maxArmor[SIDE_FRONT] = _armor->getFrontArmor();
_maxArmor[SIDE_LEFT] = _armor->getSideArmor();
_maxArmor[SIDE_RIGHT] = _armor->getSideArmor();
_maxArmor[SIDE_REAR] = _armor->getRearArmor();
_maxArmor[SIDE_UNDER] = _armor->getUnderArmor();
_currentArmor[SIDE_FRONT] = _maxArmor[SIDE_FRONT];
_currentArmor[SIDE_LEFT] = _maxArmor[SIDE_LEFT];
_currentArmor[SIDE_RIGHT] = _maxArmor[SIDE_RIGHT];
_currentArmor[SIDE_REAR] = _maxArmor[SIDE_REAR];
_currentArmor[SIDE_UNDER] = _maxArmor[SIDE_UNDER];
for (int i = 0; i < 6; ++i)
_fatalWounds[i] = 0;
for (int i = 0; i < 5; ++i)
_cache[i] = 0;
for (int i = 0; i < SPEC_WEAPON_MAX; ++i)
_specWeapon[i] = 0;
_activeHand = "STR_RIGHT_HAND";
lastCover = Position(-1, -1, -1);
_statistics = new BattleUnitStatistics();
deriveRank();
int look = soldier->getGender() + 2 * soldier->getLook();
setRecolor(look, look, _rankInt);
}
/**
* Initializes a BattleUnit from a Unit (non-player) object.
* @param unit Pointer to Unit object.
* @param faction Which faction the units belongs to.
* @param id Unique unit ID.
* @param armor Pointer to unit Armor.
* @param diff difficulty level (for stat adjustment).
* @param depth the depth of the battlefield (used to determine movement type in case of MT_FLOAT).
*/
BattleUnit::BattleUnit(Unit *unit, UnitFaction faction, int id, Armor *armor, StatAdjustment *adjustment, int depth) :
_faction(faction), _originalFaction(faction), _killedBy(faction), _id(id),
_tile(0), _lastPos(Position()), _direction(0), _toDirection(0), _directionTurret(0),
_toDirectionTurret(0), _verticalDirection(0), _status(STATUS_STANDING), _walkPhase(0),
_fallPhase(0), _kneeled(false), _floating(false), _dontReselect(false), _fire(0), _currentAIState(0),
_visible(false), _cacheInvalid(true), _expBravery(0), _expReactions(0), _expFiring(0),
_expThrowing(0), _expPsiSkill(0), _expPsiStrength(0), _expMelee(0), _motionPoints(0), _kills(0), _hitByFire(false),
_moraleRestored(0), _coverReserve(0), _charging(0), _turnsSinceSpotted(255),
_statistics(), _murdererId(0), _mindControllerID(0), _fatalShotSide(SIDE_FRONT),
_fatalShotBodyPart(BODYPART_HEAD), _armor(armor), _geoscapeSoldier(0), _unitRules(unit),
_rankInt(0), _turretType(-1), _hidingForTurn(false), _respawn(false)
{
_type = unit->getType();
_rank = unit->getRank();
_race = unit->getRace();
_stats = *unit->getStats();
_standHeight = unit->getStandHeight();
_kneelHeight = unit->getKneelHeight();
_floatHeight = unit->getFloatHeight();
_loftempsSet = _armor->getLoftempsSet();
_deathSound = unit->getDeathSounds();
_aggroSound = unit->getAggroSound();
_moveSound = unit->getMoveSound();
_intelligence = unit->getIntelligence();
_aggression = unit->getAggression();
_specab = (SpecialAbility) unit->getSpecialAbility();
_spawnUnit = unit->getSpawnUnit();
_value = unit->getValue();
_faceDirection = -1;
_movementType = _armor->getMovementType();
if (_movementType == MT_FLOAT)
{
if (depth > 0)
{
_movementType = MT_FLY;
}
else
{
_movementType = MT_WALK;
}
}
else if (_movementType == MT_SINK)
{
if (depth == 0)
{
_movementType = MT_FLY;
}
else
{
_movementType = MT_WALK;
}
}
_stats += *_armor->getStats(); // armors may modify effective stats
_breathFrame = -1; // most aliens don't breathe per-se, that's exclusive to humanoids
if (armor->getDrawingRoutine() == 14)
{
_breathFrame = 0;
}
_floorAbove = false;
_breathing = false;
_maxArmor[SIDE_FRONT] = _armor->getFrontArmor();
_maxArmor[SIDE_LEFT] = _armor->getSideArmor();
_maxArmor[SIDE_RIGHT] = _armor->getSideArmor();
_maxArmor[SIDE_REAR] = _armor->getRearArmor();
_maxArmor[SIDE_UNDER] = _armor->getUnderArmor();
if (faction == FACTION_HOSTILE)
{
adjustStats(*adjustment);
}
_tu = _stats.tu;
_energy = _stats.stamina;
_health = _stats.health;
_morale = 100;
_stunlevel = 0;
_currentArmor[SIDE_FRONT] = _maxArmor[SIDE_FRONT];
_currentArmor[SIDE_LEFT] = _maxArmor[SIDE_LEFT];
_currentArmor[SIDE_RIGHT] = _maxArmor[SIDE_RIGHT];
_currentArmor[SIDE_REAR] = _maxArmor[SIDE_REAR];
_currentArmor[SIDE_UNDER] = _maxArmor[SIDE_UNDER];
for (int i = 0; i < 6; ++i)
_fatalWounds[i] = 0;
for (int i = 0; i < 5; ++i)
_cache[i] = 0;
for (int i = 0; i < SPEC_WEAPON_MAX; ++i)
_specWeapon[i] = 0;
_activeHand = "STR_RIGHT_HAND";
_gender = GENDER_MALE;
lastCover = Position(-1, -1, -1);
_statistics = new BattleUnitStatistics();
int generalRank = 0;
if (faction == FACTION_HOSTILE)
{
const int max = 7;
const char* rankList[max] =
{
"STR_LIVE_SOLDIER",
"STR_LIVE_ENGINEER",
"STR_LIVE_MEDIC",
"STR_LIVE_NAVIGATOR",
"STR_LIVE_LEADER",
"STR_LIVE_COMMANDER",
"STR_LIVE_TERRORIST",
};
for (int i = 0; i < max; ++i)
{
if (_rank.compare(rankList[i]) == 0)
{
generalRank = i;
break;
}
}
}
else if (faction == FACTION_NEUTRAL)
{
generalRank = std::rand() % 8;
}
setRecolor(std::rand() % 8, std::rand() % 8, generalRank);
}
/**
*
*/
BattleUnit::~BattleUnit()
{
for (int i = 0; i < 5; ++i)
if (_cache[i]) delete _cache[i];
for (std::vector<BattleUnitKills*>::const_iterator i = _statistics->kills.begin(); i != _statistics->kills.end(); ++i)
{
delete *i;
}
delete _statistics;
delete _currentAIState;
}
/**
* Loads the unit from a YAML file.
* @param node YAML node.
*/
void BattleUnit::load(const YAML::Node &node)
{
_id = node["id"].as<int>(_id);
_faction = _originalFaction = (UnitFaction)node["faction"].as<int>(_faction);
_status = (UnitStatus)node["status"].as<int>(_status);
_pos = node["position"].as<Position>(_pos);
_direction = _toDirection = node["direction"].as<int>(_direction);
_directionTurret = _toDirectionTurret = node["directionTurret"].as<int>(_directionTurret);
_tu = node["tu"].as<int>(_tu);
_health = node["health"].as<int>(_health);
_stunlevel = node["stunlevel"].as<int>(_stunlevel);
_energy = node["energy"].as<int>(_energy);
_morale = node["morale"].as<int>(_morale);
_kneeled = node["kneeled"].as<bool>(_kneeled);
_floating = node["floating"].as<bool>(_floating);
for (int i=0; i < 5; i++)
_currentArmor[i] = node["armor"][i].as<int>(_currentArmor[i]);
for (int i=0; i < 6; i++)
_fatalWounds[i] = node["fatalWounds"][i].as<int>(_fatalWounds[i]);
_fire = node["fire"].as<int>(_fire);
_expBravery = node["expBravery"].as<int>(_expBravery);
_expReactions = node["expReactions"].as<int>(_expReactions);
_expFiring = node["expFiring"].as<int>(_expFiring);
_expThrowing = node["expThrowing"].as<int>(_expThrowing);
_expPsiSkill = node["expPsiSkill"].as<int>(_expPsiSkill);
_expPsiStrength = node["expPsiStrength"].as<int>(_expPsiStrength);
_expMelee = node["expMelee"].as<int>(_expMelee);
_turretType = node["turretType"].as<int>(_turretType);
_visible = node["visible"].as<bool>(_visible);
_turnsSinceSpotted = node["turnsSinceSpotted"].as<int>(_turnsSinceSpotted);
_killedBy = (UnitFaction)node["killedBy"].as<int>(_killedBy);
_moraleRestored = node["moraleRestored"].as<int>(_moraleRestored);
_rankInt = node["rankInt"].as<int>(_rankInt);
_originalFaction = (UnitFaction)node["originalFaction"].as<int>(_originalFaction);
_kills = node["kills"].as<int>(_kills);
_dontReselect = node["dontReselect"].as<bool>(_dontReselect);
_charging = 0;
_spawnUnit = node["spawnUnit"].as<std::string>(_spawnUnit);
_motionPoints = node["motionPoints"].as<int>(0);
_respawn = node["respawn"].as<bool>(_respawn);
_activeHand = node["activeHand"].as<std::string>(_activeHand);
if (node["tempUnitStatistics"])
{
_statistics->load(node["tempUnitStatistics"]);
}
_murdererId = node["murdererId"].as<int>(_murdererId);
_fatalShotSide = (UnitSide)node["fatalShotSide"].as<int>(_fatalShotSide);
_fatalShotBodyPart = (UnitBodyPart)node["fatalShotBodyPart"].as<int>(_fatalShotBodyPart);
_murdererWeapon = node["murdererWeapon"].as<std::string>(_murdererWeapon);
_murdererWeaponAmmo = node["murdererWeaponAmmo"].as<std::string>(_murdererWeaponAmmo);
if (const YAML::Node& p = node["recolor"])
{
_recolor.clear();
for (size_t i = 0; i < p.size(); ++i)
{
_recolor.push_back(std::make_pair(p[i][0].as<int>(), p[i][1].as<int>()));
}
}
_mindControllerID = node["mindControllerID"].as<int>(_mindControllerID);
}
/**
* Saves the soldier to a YAML file.
* @return YAML node.
*/
YAML::Node BattleUnit::save() const
{
YAML::Node node;
node["id"] = _id;
node["genUnitType"] = _type;
node["genUnitArmor"] = _armor->getType();
node["faction"] = (int)_faction;
node["status"] = (int)_status;
node["position"] = _pos;
node["direction"] = _direction;
node["directionTurret"] = _directionTurret;
node["tu"] = _tu;
node["health"] = _health;
node["stunlevel"] = _stunlevel;
node["energy"] = _energy;
node["morale"] = _morale;
node["kneeled"] = _kneeled;
node["floating"] = _floating;
for (int i=0; i < 5; i++) node["armor"].push_back(_currentArmor[i]);
for (int i=0; i < 6; i++) node["fatalWounds"].push_back(_fatalWounds[i]);
node["fire"] = _fire;
node["expBravery"] = _expBravery;
node["expReactions"] = _expReactions;
node["expFiring"] = _expFiring;
node["expThrowing"] = _expThrowing;
node["expPsiSkill"] = _expPsiSkill;
node["expPsiStrength"] = _expPsiStrength;
node["expMelee"] = _expMelee;
node["turretType"] = _turretType;
node["visible"] = _visible;
node["turnsSinceSpotted"] = _turnsSinceSpotted;
node["rankInt"] = _rankInt;
node["moraleRestored"] = _moraleRestored;
if (getAIModule())
{
node["AI"] = getAIModule()->save();
}
node["killedBy"] = (int)_killedBy;
if (_originalFaction != _faction)
node["originalFaction"] = (int)_originalFaction;
if (_kills)
node["kills"] = _kills;
if (_faction == FACTION_PLAYER && _dontReselect)
node["dontReselect"] = _dontReselect;
if (!_spawnUnit.empty())
node["spawnUnit"] = _spawnUnit;
node["motionPoints"] = _motionPoints;
node["respawn"] = _respawn;
node["activeHand"] = _activeHand;
node["tempUnitStatistics"] = _statistics->save();
node["murdererId"] = _murdererId;
node["fatalShotSide"] = (int)_fatalShotSide;
node["fatalShotBodyPart"] = (int)_fatalShotBodyPart;
node["murdererWeapon"] = _murdererWeapon;
node["murdererWeaponAmmo"] = _murdererWeaponAmmo;
for (size_t i = 0; i < _recolor.size(); ++i)
{
YAML::Node p;
p.push_back((int)_recolor[i].first);
p.push_back((int)_recolor[i].second);
node["recolor"].push_back(p);
}
node["mindControllerID"] = _mindControllerID;
return node;
}
/**
* Prepare vector values for recolor.
* @param basicLook select index for hair and face color.
* @param utileLook select index for utile color.
* @param rankLook select index for rank color.
*/
void BattleUnit::setRecolor(int basicLook, int utileLook, int rankLook)
{
const int colorsMax = 4;
std::pair<int, int> colors[colorsMax] =
{
std::make_pair(_armor->getFaceColorGroup(), _armor->getFaceColor(basicLook)),
std::make_pair(_armor->getHairColorGroup(), _armor->getHairColor(basicLook)),
std::make_pair(_armor->getUtileColorGroup(), _armor->getUtileColor(utileLook)),
std::make_pair(_armor->getRankColorGroup(), _armor->getRankColor(rankLook)),
};
for (int i = 0; i < colorsMax; ++i)
{
if (colors[i].first > 0 && colors[i].second > 0)
{
_recolor.push_back(std::make_pair(colors[i].first << 4, colors[i].second));
}
}
}
/**
* Returns the BattleUnit's unique ID.
* @return Unique ID.
*/
int BattleUnit::getId() const
{
return _id;
}
/**
* Changes the BattleUnit's position.
* @param pos position
* @param updateLastPos refresh last stored position
*/
void BattleUnit::setPosition(Position pos, bool updateLastPos)
{
if (updateLastPos) { _lastPos = _pos; }
_pos = pos;
}
/**
* Gets the BattleUnit's position.
* @return position
*/
Position BattleUnit::getPosition() const
{
return _pos;
}
/**
* Gets the BattleUnit's position.
* @return position
*/
Position BattleUnit::getLastPosition() const
{
return _lastPos;
}
/**
* Gets the BattleUnit's destination.
* @return destination
*/
Position BattleUnit::getDestination() const
{
return _destination;
}
/**
* Changes the BattleUnit's (horizontal) direction.
* Only used for initial unit placement.
* @param direction new horizontal direction
*/
void BattleUnit::setDirection(int direction)
{
_direction = direction;
_toDirection = direction;
_directionTurret = direction;
}
/**
* Changes the BattleUnit's (horizontal) face direction.
* Only used for strafing moves.
* @param direction new face direction
*/
void BattleUnit::setFaceDirection(int direction)
{
_faceDirection = direction;
}
/**
* Gets the BattleUnit's (horizontal) direction.
* @return horizontal direction
*/
int BattleUnit::getDirection() const
{
return _direction;
}
/**
* Gets the BattleUnit's (horizontal) face direction.
* Used only during strafing moves.
* @return face direction
*/
int BattleUnit::getFaceDirection() const
{
return _faceDirection;
}
/**
* Gets the BattleUnit's turret direction.
* @return direction
*/
int BattleUnit::getTurretDirection() const
{
return _directionTurret;
}
/**
* Gets the BattleUnit's turret To direction.
* @return toDirectionTurret
*/
int BattleUnit::getTurretToDirection() const
{
return _toDirectionTurret;
}
/**
* Gets the BattleUnit's vertical direction. This is when going up or down.
* @return direction
*/
int BattleUnit::getVerticalDirection() const
{
return _verticalDirection;
}
/**
* Gets the unit's status.
* @return the unit's status
*/
UnitStatus BattleUnit::getStatus() const
{
return _status;
}
/**
* Initialises variables to start walking.
* @param direction Which way to walk.
* @param destination The position we should end up on.
* @param tileBelowMe Which tile is currently below the unit.
* @param cache Update cache?
*/
void BattleUnit::startWalking(int direction, Position destination, Tile *tileBelowMe, bool cache)
{
if (direction >= Pathfinding::DIR_UP)
{
_verticalDirection = direction;
_status = STATUS_FLYING;
}
else
{
_direction = direction;
_status = STATUS_WALKING;
}
bool floorFound = false;
if (!_tile->hasNoFloor(tileBelowMe))
{
floorFound = true;
}
if (!floorFound || direction >= Pathfinding::DIR_UP)
{
_status = STATUS_FLYING;
_floating = true;
}
else
{
_floating = false;
}
_walkPhase = 0;
_destination = destination;
_lastPos = _pos;
_cacheInvalid = cache;
_kneeled = false;
if (_breathFrame >= 0)
{
_breathing = false;
_breathFrame = 0;
}
}
/**
* This will increment the walking phase.
* @param tileBelowMe Pointer to tile currently below the unit.
* @param cache Refresh the unit cache.
*/
void BattleUnit::keepWalking(Tile *tileBelowMe, bool cache)
{
int middle, end;
if (_verticalDirection)
{
middle = 4;
end = 8;
}
else
{
// diagonal walking takes double the steps
middle = 4 + 4 * (_direction % 2);
end = 8 + 8 * (_direction % 2);
if (_armor->getSize() > 1)
{
if (_direction < 1 || _direction > 5)
middle = end;
else if (_direction == 5)
middle = 12;
else if (_direction == 1)
middle = 5;
else
middle = 1;
}
}
if (!cache)
{
_pos = _destination;
end = 2;
}
_walkPhase++;
if (_walkPhase == middle)
{
// we assume we reached our destination tile
// this is actually a drawing hack, so soldiers are not overlapped by floortiles
_pos = _destination;
}
if (_walkPhase >= end)
{
if (_floating && !_tile->hasNoFloor(tileBelowMe))
{
_floating = false;
}
// we officially reached our destination tile
_status = STATUS_STANDING;
_walkPhase = 0;
_verticalDirection = 0;
if (_faceDirection >= 0) {
// Finish strafing move facing the correct way.
_direction = _faceDirection;
_faceDirection = -1;
}
// motion points calculation for the motion scanner blips
if (_armor->getSize() > 1)
{
_motionPoints += 30;
}
else
{
// sectoids actually have less motion points
// but instead of create yet another variable,
// I used the height of the unit instead (logical)
if (getStandHeight() > 16)
_motionPoints += 4;
else
_motionPoints += 3;
}
}
_cacheInvalid = cache;
}
/**
* Gets the walking phase for animation and sound.
* @return phase will always go from 0-7
*/
int BattleUnit::getWalkingPhase() const
{
return _walkPhase % 8;
}
/**
* Gets the walking phase for diagonal walking.
* @return phase this will be 0 or 8
*/
int BattleUnit::getDiagonalWalkingPhase() const
{
return (_walkPhase / 8) * 8;
}
/**
* Look at a point.
* @param point Position to look at.
* @param turret True to turn the turret, false to turn the unit.
*/
void BattleUnit::lookAt(Position point, bool turret)
{
int dir = directionTo (point);
if (turret)
{
_toDirectionTurret = dir;
if (_toDirectionTurret != _directionTurret)
{
_status = STATUS_TURNING;
}
}
else
{
_toDirection = dir;
if (_toDirection != _direction
&& _toDirection < 8
&& _toDirection > -1)
{
_status = STATUS_TURNING;
}
}
}
/**
* Look at a direction.
* @param direction Direction to look at.
* @param force True to reset the direction, false to animate to it.
*/
void BattleUnit::lookAt(int direction, bool force)
{
if (!force)
{
if (direction < 0 || direction >= 8) return;
_toDirection = direction;
if (_toDirection != _direction)
{
_status = STATUS_TURNING;
}
}
else
{
_toDirection = direction;
_direction = direction;
}
}
/**
* Advances the turning towards the target direction.
* @param turret True to turn the turret, false to turn the unit.
*/
void BattleUnit::turn(bool turret)
{
int a = 0;
if (turret)
{
if (_directionTurret == _toDirectionTurret)
{
abortTurn();
return;
}
a = _toDirectionTurret - _directionTurret;
}
else
{
if (_direction == _toDirection)
{
abortTurn();
return;
}
a = _toDirection - _direction;
}
if (a != 0) {
if (a > 0) {
if (a <= 4) {
if (!turret) {
if (_turretType > -1)
_directionTurret++;
_direction++;
} else _directionTurret++;
} else {
if (!turret) {
if (_turretType > -1)
_directionTurret--;
_direction--;
} else _directionTurret--;
}
} else {
if (a > -4) {
if (!turret) {
if (_turretType > -1)
_directionTurret--;
_direction--;
} else _directionTurret--;
} else {
if (!turret) {
if (_turretType > -1)
_directionTurret++;
_direction++;
} else _directionTurret++;
}
}
if (_direction < 0) _direction = 7;
if (_direction > 7) _direction = 0;
if (_directionTurret < 0) _directionTurret = 7;
if (_directionTurret > 7) _directionTurret = 0;
if (_visible || _faction == FACTION_PLAYER)
_cacheInvalid = true;
}
if (turret)
{
if (_toDirectionTurret == _directionTurret)
{
// we officially reached our destination
_status = STATUS_STANDING;
}
}
else if (_toDirection == _direction || _status == STATUS_UNCONSCIOUS)
{
// we officially reached our destination
_status = STATUS_STANDING;
}
}
/**
* Stops the turning towards the target direction.
*/
void BattleUnit::abortTurn()
{
_status = STATUS_STANDING;
}
/**
* Gets the soldier's gender.
*/
SoldierGender BattleUnit::getGender() const
{
return _gender;
}
/**
* Returns the unit's faction.
* @return Faction. (player, hostile or neutral)
*/
UnitFaction BattleUnit::getFaction() const
{
return _faction;
}
/**
* Sets the unit's cache flag.
* @param cache Pointer to cache surface to use, NULL to redraw from scratch.
* @param part Unit part to cache.
*/
void BattleUnit::setCache(Surface *cache, int part)
{
if (cache == 0)
{
_cacheInvalid = true;
}
else
{
_cache[part] = cache;
_cacheInvalid = false;
}
}
/**
* Check if the unit is still cached in the Map cache.
* When the unit changes it needs to be re-cached.
* @param invalid Get if the cache is invalid.
* @param part Unit part to check.
* @return Pointer to cache surface used.
*/
Surface *BattleUnit::getCache(bool *invalid, int part) const
{
if (part < 0) part = 0;
*invalid = _cacheInvalid;
return _cache[part];
}
/**
* Gets values used for recoloring sprites.
* @param i what value choose.
* @return Pairs of value, where first is color group to replace and second is new color group with shade.
*/
const std::vector<std::pair<Uint8, Uint8> > &BattleUnit::getRecolor() const
{
return _recolor;
}
/**
* Kneel down.
* @param kneeled to kneel or to stand up
*/
void BattleUnit::kneel(bool kneeled)
{
_kneeled = kneeled;
_cacheInvalid = true;
}
/**
* Is kneeled down?
* @return true/false
*/
bool BattleUnit::isKneeled() const
{
return _kneeled;
}
/**
* Is floating? A unit is floating when there is no ground under him/her.
* @return true/false
*/
bool BattleUnit::isFloating() const
{
return _floating;
}
/**
* Aim. (shows the right hand sprite and weapon holding)
* @param aiming true/false
*/
void BattleUnit::aim(bool aiming)
{
if (aiming)
_status = STATUS_AIMING;
else
_status = STATUS_STANDING;
if (_visible || _faction == FACTION_PLAYER)
_cacheInvalid = true;
}
/**
* Returns the direction from this unit to a given point.
* @param point given position.
* @return direction.
*/
int BattleUnit::directionTo(Position point) const
{
double ox = point.x - _pos.x;
double oy = point.y - _pos.y;
double angle = atan2(ox, -oy);
// divide the pie in 4 angles each at 1/8th before each quarter
double pie[4] = {(M_PI_4 * 4.0) - M_PI_4 / 2.0, (M_PI_4 * 3.0) - M_PI_4 / 2.0, (M_PI_4 * 2.0) - M_PI_4 / 2.0, (M_PI_4 * 1.0) - M_PI_4 / 2.0};
int dir = 0;
if (angle > pie[0] || angle < -pie[0])
{