Freeciv21
Develop your civilization from humble roots to a global empire
unit.h File Reference
#include "bitvector.h"
#include "base.h"
#include "fc_types.h"
#include "terrain.h"
#include "unittype.h"
#include "vision.h"
#include "world_object.h"
#include "specenum_gen.h"
#include "speclist.h"
+ Include dependency graph for unit.h:

Go to the source code of this file.

Classes

struct  unit_adv
 
struct  unit_order
 
struct  unit_wait
 
struct  unit
 

Macros

#define SPECENUM_NAME   unit_ss_data_type
 
#define SPECENUM_VALUE0   USSDT_QUEUE
 
#define SPECENUM_VALUE1   USSDT_UNQUEUE
 
#define SPECENUM_VALUE2   USSDT_BATTLE_GROUP
 
#define SPECENUM_NAME   server_side_agent
 
#define SPECENUM_VALUE0   SSA_NONE
 
#define SPECENUM_VALUE0NAME   N_("None")
 
#define SPECENUM_VALUE1   SSA_AUTOSETTLER
 
#define SPECENUM_VALUE1NAME   N_("Autosettlers")
 
#define SPECENUM_VALUE2   SSA_AUTOEXPLORE
 
#define SPECENUM_VALUE2NAME   N_("Autoexplore")
 
#define SPECENUM_COUNT   SSA_COUNT
 
#define SPECLIST_TAG   unit_wait
 
#define SPECLIST_TYPE   struct unit_wait
 
#define unit_wait_list_link_iterate(unit_wait_list, plink)    TYPED_LIST_LINK_ITERATE(struct unit_wait_list_link, unit_wait_list, plink)
 
#define unit_wait_list_link_iterate_end   LIST_LINK_ITERATE_END
 
#define MAX_NUM_BATTLEGROUPS   (4)
 
#define BATTLEGROUP_NONE   (-1)
 
#define CHECK_UNIT(punit)
 
#define activity_type_list_iterate(_act_list_, _act_)
 
#define activity_type_list_iterate_end
 
#define activity_type_iterate(_act_)
 
#define activity_type_iterate_end
 
#define tile_changing_activities_iterate(_act_)
 
#define tile_changing_activities_iterate_end
 
#define unit_home(_pu_)   (game_city_by_number((_pu_)->homecity))
 
#define unit_owner(_pu)   ((_pu)->owner)
 
#define unit_tile(_pu)   ((_pu)->tile)
 
#define unit_transports_iterate(_pcargo, _ptrans)
 
#define unit_transports_iterate_end
 
#define unit_cargo_iterate(_ptrans, _pcargo)
 
#define unit_cargo_iterate_end   generic_iterate_end
 

Enumerations

enum  unit_orders {
  ORDER_MOVE = 0 , ORDER_ACTIVITY = 1 , ORDER_FULL_MP = 2 , ORDER_ACTION_MOVE = 3 ,
  ORDER_PERFORM_ACTION = 4 , ORDER_LAST
}
 
enum  unit_focus_status { FOCUS_AVAIL , FOCUS_WAIT , FOCUS_DONE }
 
enum  unit_upgrade_result {
  UU_OK , UU_NO_UNITTYPE , UU_NO_MONEY , UU_NOT_IN_CITY ,
  UU_NOT_CITY_OWNER , UU_NOT_ENOUGH_ROOM , UU_NOT_TERRAIN , UU_UNSUITABLE_TRANSPORT
}
 
enum  unit_airlift_result {
  AR_OK , AR_OK_SRC_UNKNOWN , AR_OK_DST_UNKNOWN , AR_NO_MOVES ,
  AR_WRONG_UNITTYPE , AR_OCCUPIED , AR_NOT_IN_CITY , AR_BAD_SRC_CITY ,
  AR_BAD_DST_CITY , AR_SRC_NO_FLIGHTS , AR_DST_NO_FLIGHTS
}
 

Functions

void setup_real_activities_array ()
 Setup array of real activities. More...
 
bool are_unit_orders_equal (const struct unit_order *order1, const struct unit_order *order2)
 Checks unit orders for equality. More...
 
int unit_shield_value (const struct unit *punit, const struct unit_type *punittype, const struct action *paction)
 Returns how many shields the unit (type) is worth. More...
 
bool unit_can_help_build_wonder_here (const struct unit *punit)
 Return TRUE unless it is known to be imposible to disband this unit at its current position to get full shields for building a wonder. More...
 
bool unit_can_est_trade_route_here (const struct unit *punit)
 Return TRUE iff this unit can be disbanded at its current location to provide a trade route from the homecity to the target city. More...
 
enum unit_airlift_result test_unit_can_airlift_to (const struct player *restriction, const struct unit *punit, const struct city *pdest_city)
 Determines if punit can be airlifted to dest_city now! So punit needs to be in a city now. More...
 
bool unit_can_airlift_to (const struct unit *punit, const struct city *pcity)
 Determines if punit can be airlifted to dest_city now! So punit needs to be in a city now. More...
 
bool unit_has_orders (const struct unit *punit)
 Return TRUE iff the unit is following client-side orders. More...
 
bool could_unit_load (const struct unit *pcargo, const struct unit *ptrans)
 Return TRUE iff the given unit could be loaded into the transporter if we moved there. More...
 
bool can_unit_load (const struct unit *punit, const struct unit *ptrans)
 Return TRUE iff the given unit can be loaded into the transporter. More...
 
bool can_unit_unload (const struct unit *punit, const struct unit *ptrans)
 Return TRUE iff the given unit can be unloaded from its current transporter. More...
 
bool can_unit_alight_or_be_unloaded (const struct unit *pcargo, const struct unit *ptrans)
 Return TRUE iff the given unit can leave its current transporter without doing any other action or move. More...
 
bool can_unit_paradrop (const struct unit *punit)
 Return whether the unit can be paradropped - that is, if the unit is in a friendly city or on an airbase special, has enough movepoints left, and has not paradropped yet this turn. More...
 
bool can_unit_change_homecity_to (const struct unit *punit, const struct city *pcity)
 Return TRUE iff the unit can change homecity to the given city. More...
 
bool can_unit_change_homecity (const struct unit *punit)
 Return TRUE iff the unit can change homecity at its current location. More...
 
const char * get_activity_text (enum unit_activity activity)
 Return the name of the activity in a static buffer. More...
 
bool can_unit_continue_current_activity (struct unit *punit)
 Check if the unit's current activity is actually legal. More...
 
bool can_unit_do_activity (const struct unit *punit, enum unit_activity activity)
 Return TRUE iff the unit can do the given untargeted activity at its current location. More...
 
bool can_unit_do_activity_targeted (const struct unit *punit, enum unit_activity activity, struct extra_type *target)
 Return whether the unit can do the targeted activity at its current location. More...
 
bool can_unit_do_activity_targeted_at (const struct unit *punit, enum unit_activity activity, struct extra_type *target, const struct tile *ptile)
 Return TRUE if the unit can do the targeted activity at the given location. More...
 
void set_unit_activity (struct unit *punit, enum unit_activity new_activity)
 Assign a new untargeted task to a unit. More...
 
void set_unit_activity_targeted (struct unit *punit, enum unit_activity new_activity, struct extra_type *new_target)
 assign a new targeted task to a unit. More...
 
int get_activity_rate (const struct unit *punit)
 Returns the speed of a unit doing an activity. More...
 
int get_activity_rate_this_turn (const struct unit *punit)
 Returns the amount of work a unit does (will do) on an activity this turn. More...
 
int get_turns_for_activity_at (const struct unit *punit, enum unit_activity activity, const struct tile *ptile, struct extra_type *tgt)
 Return the estimated number of turns for the worker unit to start and complete the activity at the given location. More...
 
bool activity_requires_target (enum unit_activity activity)
 Return TRUE if activity requires some sort of target to be specified. More...
 
bool can_unit_do_autosettlers (const struct unit *punit)
 Return whether the unit can be put in auto-settler mode. More...
 
bool is_unit_activity_on_tile (enum unit_activity activity, const struct tile *ptile)
 Return whether any units on the tile are doing this activity. More...
 
bv_extras get_unit_tile_pillage_set (const struct tile *ptile)
 Return a mask of the extras which are actively (currently) being pillaged on the given tile. More...
 
bool is_attack_unit (const struct unit *punit)
 Is the unit capable of attacking? More...
 
bool is_military_unit (const struct unit *punit)
 Military units are capable of enforcing martial law. More...
 
bool unit_can_do_action (const struct unit *punit, const action_id act_id)
 Return TRUE iff this unit can do the specified generalized (ruleset defined) action enabler controlled action. More...
 
bool unit_can_do_action_result (const struct unit *punit, enum action_result result)
 Return TRUE iff this unit can do any enabler controlled action with the specified action result. More...
 
bool is_square_threatened (const struct player *pplayer, const struct tile *ptile, bool omniscient)
 Return TRUE iff this tile is threatened from any unit within 2 tiles. More...
 
bool is_field_unit (const struct unit *punit)
 This checks the "field unit" flag on the unit. More...
 
bool is_hiding_unit (const struct unit *punit)
 Is the unit one that is invisible on the map. More...
 
bool unit_can_add_or_build_city (const struct unit *punit)
 Return TRUE iff this unit can add to a current city or build a new city at its current location. More...
 
bool kills_citizen_after_attack (const struct unit *punit)
 Return TRUE iff an attack from this unit would kill a citizen in a city (city walls protect against this). More...
 
void unit_activity_astr (const struct unit *punit, QString &astr)
 Append text describing the unit's current activity to the given astring. More...
 
void unit_upkeep_astr (const struct unit *punit, QString &astr)
 Append a line of text describing the unit's upkeep to the astring. More...
 
const QString unit_activity_text (const struct unit *punit)
 Return text describing the unit's current activity as a static string. More...
 
int get_transporter_capacity (const struct unit *punit)
 Return the number of units the transporter can hold (or 0). More...
 
struct playerunit_nationality (const struct unit *punit)
 Return the nationality of the unit. More...
 
void unit_tile_set (struct unit *punit, struct tile *ptile)
 Set the tile location of the unit. More...
 
struct unitis_allied_unit_tile (const struct tile *ptile, const struct player *pplayer)
 Returns true if the tile contains an allied unit and only allied units. More...
 
struct unitis_enemy_unit_tile (const struct tile *ptile, const struct player *pplayer)
 Is there an enemy unit on this tile? Returns the unit or nullptr if none. More...
 
struct unitis_non_allied_unit_tile (const struct tile *ptile, const struct player *pplayer)
 Is there an non-allied unit on this tile? More...
 
struct unitis_other_players_unit_tile (const struct tile *ptile, const struct player *pplayer)
 Is there an unit belonging to another player on this tile? More...
 
struct unitis_non_attack_unit_tile (const struct tile *ptile, const struct player *pplayer)
 Is there an unit we have peace or ceasefire with on this tile? More...
 
struct unitunit_occupies_tile (const struct tile *ptile, const struct player *pplayer)
 Is there an occupying unit on this tile? More...
 
bool is_my_zoc (const struct player *unit_owner, const struct tile *ptile, const struct civ_map *zmap)
 Is this square controlled by the pplayer? More...
 
bool unit_being_aggressive (const struct unit *punit)
 An "aggressive" unit is a unit which may cause unhappiness under a Republic or Democracy. More...
 
bool unit_type_really_ignores_zoc (const struct unit_type *punittype)
 Takes into account unit class flag UCF_ZOC as well as IGZOC. More...
 
bool is_build_activity (enum unit_activity activity, const struct tile *ptile)
 Returns true if given activity is some kind of building. More...
 
bool is_clean_activity (enum unit_activity activity)
 Returns true if given activity is some kind of cleaning. More...
 
bool is_terrain_change_activity (enum unit_activity activity)
 Returns true if given activity changes terrain. More...
 
bool is_tile_activity (enum unit_activity activity)
 Returns true if given activity affects tile. More...
 
struct unitunit_virtual_create (struct player *pplayer, struct city *pcity, const struct unit_type *punittype, int veteran_level)
 Create a virtual unit skeleton. More...
 
void unit_virtual_destroy (struct unit *punit)
 Free the memory used by virtual unit. More...
 
bool unit_is_virtual (const struct unit *punit)
 Return TRUE if this is a valid unit pointer but does not correspond to any unit that exists in the game. More...
 
void free_unit_orders (struct unit *punit)
 Free and reset the unit's goto route (punit->pgr). More...
 
int get_transporter_occupancy (const struct unit *ptrans)
 Return how many units are in the transport. More...
 
struct unittransporter_for_unit (const struct unit *pcargo)
 Find the best transporter at the given location for the unit. More...
 
struct unittransporter_for_unit_at (const struct unit *pcargo, const struct tile *ptile)
 Find the best transporter at the given location for the unit. More...
 
enum unit_upgrade_result unit_upgrade_test (const struct unit *punit, bool is_free)
 Tests if the unit could be updated. More...
 
enum unit_upgrade_result unit_upgrade_info (const struct unit *punit, char *buf, size_t bufsz)
 Find the result of trying to upgrade the unit, and a message that most callers can use directly. More...
 
bool unit_can_convert (const struct unit *punit)
 Tests if unit can be converted to another type. More...
 
int unit_pays_mp_for_action (const struct action *paction, const struct unit *punit)
 Returns the amount of movement points successfully performing the specified action will consume in the actor unit. More...
 
bool is_losing_hp (const struct unit *punit)
 Does unit lose hitpoints each turn? More...
 
bool unit_type_is_losing_hp (const struct player *pplayer, const struct unit_type *punittype)
 Does unit lose hitpoints each turn? More...
 
bool unit_is_alive (int id)
 Check if unit with given id is still alive. More...
 
void * unit_ai_data (const struct unit *punit, const struct ai_type *ai)
 Return pointer to ai data of given unit and ai type. More...
 
void unit_set_ai_data (struct unit *punit, const struct ai_type *ai, void *data)
 Attach ai data to unit. More...
 
int unit_bribe_cost (struct unit *punit, struct player *briber)
 Calculate how expensive it is to bribe the unit. More...
 
bool unit_transport_load (struct unit *pcargo, struct unit *ptrans, bool force)
 Load pcargo onto ptrans. More...
 
bool unit_transport_unload (struct unit *pcargo)
 Unload pcargo from ptrans. More...
 
struct unitunit_transport_get (const struct unit *pcargo)
 Returns the transporter of the unit or nullptr if it is not transported. More...
 
bool unit_transported (const struct unit *pcargo)
 Returns TRUE iff the unit is transported. More...
 
struct unit_list * unit_transport_cargo (const struct unit *ptrans)
 Returns the list of cargo units. More...
 
bool unit_transport_check (const struct unit *pcargo, const struct unit *ptrans)
 Returns whether 'pcargo' in 'ptrans' is a valid transport. More...
 
bool unit_contained_in (const struct unit *pcargo, const struct unit *ptrans)
 Returns whether 'pcargo' is transported by 'ptrans', either directly or indirectly. More...
 
int unit_cargo_depth (const struct unit *pcargo)
 Returns the number of unit cargo layers within transport 'ptrans'. More...
 
int unit_transport_depth (const struct unit *ptrans)
 Returns the number of unit transport layers which carry unit 'pcargo'. More...
 
bool unit_is_cityfounder (const struct unit *punit)
 Is a cityfounder unit? More...
 
size_t cargo_iter_sizeof () fc__attribute((const))
 
struct iteratorcargo_iter_init (struct cargo_iter *iter, const struct unit *ptrans)
 Initialize the cargo iterator. More...
 

Variables

Activity_type_id real_activities [ACTIVITY_LAST]
 
const Activity_type_id tile_changing_activities []
 

Macro Definition Documentation

◆ activity_type_iterate

#define activity_type_iterate (   _act_)
Value:
{ \
activity_type_list_iterate(real_activities, _act_)
Activity_type_id real_activities[ACTIVITY_LAST]
Definition: unit.cpp:36

Definition at line 282 of file unit.h.

◆ activity_type_iterate_end

#define activity_type_iterate_end
Value:
}
#define activity_type_list_iterate_end
Definition: unit.h:277

Definition at line 286 of file unit.h.

◆ activity_type_list_iterate

#define activity_type_list_iterate (   _act_list_,
  _act_ 
)
Value:
{ \
int _act_i_; \
for (_act_i_ = 0; _act_list_[_act_i_] != ACTIVITY_LAST; _act_i_++) { \
Activity_type_id _act_ = _act_list_[_act_i_];

Definition at line 271 of file unit.h.

◆ activity_type_list_iterate_end

#define activity_type_list_iterate_end
Value:
} \
}

Definition at line 277 of file unit.h.

◆ BATTLEGROUP_NONE

#define BATTLEGROUP_NONE   (-1)

Definition at line 187 of file unit.h.

◆ CHECK_UNIT

#define CHECK_UNIT (   punit)

Definition at line 264 of file unit.h.

◆ MAX_NUM_BATTLEGROUPS

#define MAX_NUM_BATTLEGROUPS   (4)

Definition at line 186 of file unit.h.

◆ SPECENUM_COUNT

#define SPECENUM_COUNT   SSA_COUNT

Definition at line 113 of file unit.h.

◆ SPECENUM_NAME [1/2]

#define SPECENUM_NAME   unit_ss_data_type

Definition at line 106 of file unit.h.

◆ SPECENUM_NAME [2/2]

#define SPECENUM_NAME   server_side_agent

Definition at line 106 of file unit.h.

◆ SPECENUM_VALUE0 [1/2]

#define SPECENUM_VALUE0   USSDT_QUEUE

Definition at line 107 of file unit.h.

◆ SPECENUM_VALUE0 [2/2]

#define SPECENUM_VALUE0   SSA_NONE

Definition at line 107 of file unit.h.

◆ SPECENUM_VALUE0NAME

#define SPECENUM_VALUE0NAME   N_("None")

Definition at line 108 of file unit.h.

◆ SPECENUM_VALUE1 [1/2]

#define SPECENUM_VALUE1   USSDT_UNQUEUE

Definition at line 109 of file unit.h.

◆ SPECENUM_VALUE1 [2/2]

#define SPECENUM_VALUE1   SSA_AUTOSETTLER

Definition at line 109 of file unit.h.

◆ SPECENUM_VALUE1NAME

#define SPECENUM_VALUE1NAME   N_("Autosettlers")

Definition at line 110 of file unit.h.

◆ SPECENUM_VALUE2 [1/2]

#define SPECENUM_VALUE2   USSDT_BATTLE_GROUP

Definition at line 111 of file unit.h.

◆ SPECENUM_VALUE2 [2/2]

#define SPECENUM_VALUE2   SSA_AUTOEXPLORE

Definition at line 111 of file unit.h.

◆ SPECENUM_VALUE2NAME

#define SPECENUM_VALUE2NAME   N_("Autoexplore")

Definition at line 112 of file unit.h.

◆ SPECLIST_TAG

#define SPECLIST_TAG   unit_wait

Definition at line 127 of file unit.h.

◆ SPECLIST_TYPE

#define SPECLIST_TYPE   struct unit_wait

Definition at line 128 of file unit.h.

◆ tile_changing_activities_iterate

#define tile_changing_activities_iterate (   _act_)
Value:
{ \
activity_type_list_iterate(tile_changing_activities, _act_)
const Activity_type_id tile_changing_activities[]
Definition: unit.cpp:38

Definition at line 292 of file unit.h.

◆ tile_changing_activities_iterate_end

#define tile_changing_activities_iterate_end
Value:

Definition at line 296 of file unit.h.

◆ unit_cargo_iterate

#define unit_cargo_iterate (   _ptrans,
  _pcargo 
)
Value:
generic_iterate(struct cargo_iter, struct unit *, _pcargo, \
#define generic_iterate(TYPE_it, TYPE_a, NAME_a, FUNC_size, FUNC_init,...)
Definition: iterator.h:73
Definition: unit.h:134
size_t cargo_iter_sizeof() fc__attribute((const))
struct iterator * cargo_iter_init(struct cargo_iter *iter, const struct unit *ptrans)
Initialize the cargo iterator.
Definition: unit.cpp:2372

Definition at line 461 of file unit.h.

◆ unit_cargo_iterate_end

#define unit_cargo_iterate_end   generic_iterate_end

Definition at line 464 of file unit.h.

◆ unit_home

#define unit_home (   _pu_)    (game_city_by_number((_pu_)->homecity))

Definition at line 369 of file unit.h.

◆ unit_owner

#define unit_owner (   _pu)    ((_pu)->owner)

Definition at line 370 of file unit.h.

◆ unit_tile

#define unit_tile (   _pu)    ((_pu)->tile)

Definition at line 371 of file unit.h.

◆ unit_transports_iterate

#define unit_transports_iterate (   _pcargo,
  _ptrans 
)
Value:
{ \
struct unit *_ptrans; \
for (_ptrans = unit_transport_get(_pcargo); nullptr != _ptrans; \
_ptrans = unit_transport_get(_ptrans)) {
struct unit * unit_transport_get(const struct unit *pcargo)
Returns the transporter of the unit or nullptr if it is not transported.
Definition: unit.cpp:2189

Definition at line 447 of file unit.h.

◆ unit_transports_iterate_end

#define unit_transports_iterate_end
Value:
} \
}

Definition at line 452 of file unit.h.

◆ unit_wait_list_link_iterate

#define unit_wait_list_link_iterate (   unit_wait_list,
  plink 
)     TYPED_LIST_LINK_ITERATE(struct unit_wait_list_link, unit_wait_list, plink)

Definition at line 130 of file unit.h.

◆ unit_wait_list_link_iterate_end

#define unit_wait_list_link_iterate_end   LIST_LINK_ITERATE_END

Definition at line 132 of file unit.h.

Enumeration Type Documentation

◆ unit_airlift_result

Enumerator
AR_OK 
AR_OK_SRC_UNKNOWN 
AR_OK_DST_UNKNOWN 
AR_NO_MOVES 
AR_WRONG_UNITTYPE 
AR_OCCUPIED 
AR_NOT_IN_CITY 
AR_BAD_SRC_CITY 
AR_BAD_DST_CITY 
AR_SRC_NO_FLIGHTS 
AR_DST_NO_FLIGHTS 

Definition at line 59 of file unit.h.

◆ unit_focus_status

Enumerator
FOCUS_AVAIL 
FOCUS_WAIT 
FOCUS_DONE 

Definition at line 46 of file unit.h.

◆ unit_orders

Enumerator
ORDER_MOVE 
ORDER_ACTIVITY 
ORDER_FULL_MP 
ORDER_ACTION_MOVE 
ORDER_PERFORM_ACTION 
ORDER_LAST 

Definition at line 31 of file unit.h.

◆ unit_upgrade_result

Enumerator
UU_OK 
UU_NO_UNITTYPE 
UU_NO_MONEY 
UU_NOT_IN_CITY 
UU_NOT_CITY_OWNER 
UU_NOT_ENOUGH_ROOM 
UU_NOT_TERRAIN 
UU_UNSUITABLE_TRANSPORT 

Definition at line 48 of file unit.h.

Function Documentation

◆ activity_requires_target()

bool activity_requires_target ( enum unit_activity  activity)

◆ are_unit_orders_equal()

bool are_unit_orders_equal ( const struct unit_order order1,
const struct unit_order order2 
)

Checks unit orders for equality.

Definition at line 54 of file unit.cpp.

◆ can_unit_alight_or_be_unloaded()

bool can_unit_alight_or_be_unloaded ( const struct unit pcargo,
const struct unit ptrans 
)

Return TRUE iff the given unit can leave its current transporter without doing any other action or move.

Definition at line 745 of file unit.cpp.

Referenced by unit_can_defend_here().

◆ can_unit_change_homecity()

bool can_unit_change_homecity ( const struct unit punit)

Return TRUE iff the unit can change homecity at its current location.

Definition at line 430 of file unit.cpp.

Referenced by mr_menu::menus_sensitive().

◆ can_unit_change_homecity_to()

bool can_unit_change_homecity_to ( const struct unit punit,
const struct city pcity 
)

Return TRUE iff the unit can change homecity to the given city.

Definition at line 415 of file unit.cpp.

Referenced by can_unit_change_homecity(), and unit_actions::update_actions().

◆ can_unit_continue_current_activity()

bool can_unit_continue_current_activity ( struct unit punit)

Check if the unit's current activity is actually legal.

Definition at line 780 of file unit.cpp.

Referenced by create_city(), research_tech_lost(), sg_load_players(), unit_activities_cancel_all_illegal(), unit_activity_complete(), and unit_change_homecity_handling().

◆ can_unit_do_activity()

bool can_unit_do_activity ( const struct unit punit,
enum unit_activity  activity 
)

◆ can_unit_do_activity_targeted()

bool can_unit_do_activity_targeted ( const struct unit punit,
enum unit_activity  activity,
struct extra_type target 
)

◆ can_unit_do_activity_targeted_at()

bool can_unit_do_activity_targeted_at ( const struct unit punit,
enum unit_activity  activity,
struct extra_type target,
const struct tile ptile 
)

Return TRUE if the unit can do the targeted activity at the given location.

Definition at line 854 of file unit.cpp.

Referenced by can_unit_do_activity_targeted().

◆ can_unit_do_autosettlers()

bool can_unit_do_autosettlers ( const struct unit punit)

Return whether the unit can be put in auto-settler mode.

NOTE: we used to have "auto" mode including autosettlers and auto-attack. This was bad because the two were indestinguishable even though they are very different. Now auto-attack is done differently so we just have auto-settlers. If any new auto modes are introduced they should be handled separately.

Definition at line 548 of file unit.cpp.

Referenced by key_unit_auto_settle(), mr_menu::menus_sensitive(), request_unit_autosettlers(), unit_server_side_agent_set(), and unit_actions::update_actions().

◆ can_unit_load()

bool can_unit_load ( const struct unit punit,
const struct unit ptrans 
)

Return TRUE iff the given unit can be loaded into the transporter.

Definition at line 693 of file unit.cpp.

Referenced by api_edit_create_unit_full(), dai_unit_new_task(), transporter_for_unit(), and unit_transport_load().

◆ can_unit_paradrop()

bool can_unit_paradrop ( const struct unit punit)

Return whether the unit can be paradropped - that is, if the unit is in a friendly city or on an airbase special, has enough movepoints left, and has not paradropped yet this turn.

Definition at line 772 of file unit.cpp.

Referenced by dai_manage_paratrooper(), mr_menu::menus_sensitive(), request_unit_paradrop(), mr_menu::slot_clean_pollution(), and unit_actions::update_actions().

◆ can_unit_unload()

bool can_unit_unload ( const struct unit pcargo,
const struct unit ptrans 
)

Return TRUE iff the given unit can be unloaded from its current transporter.

This function checks everything except the legality of the position after the unloading. The caller may also want to call can_unit_exist_at_tile() to check this, unless the unit is unloading and moving at the same time.

Definition at line 720 of file unit.cpp.

Referenced by request_unit_unload(), unit_can_load(), units_can_unload(), unit_actions::update_actions(), and wipe_unit_full().

◆ cargo_iter_init()

struct iterator* cargo_iter_init ( struct cargo_iter iter,
const struct unit ptrans 
)

Initialize the cargo iterator.

Definition at line 2372 of file unit.cpp.

Referenced by unit_cargo_depth().

◆ cargo_iter_sizeof()

size_t cargo_iter_sizeof ( ) const

◆ could_unit_load()

bool could_unit_load ( const struct unit pcargo,
const struct unit ptrans 
)

Return TRUE iff the given unit could be loaded into the transporter if we moved there.

Definition at line 646 of file unit.cpp.

Referenced by can_unit_load(), request_unit_load(), transporter_for_unit_at(), unit_can_load(), and unit_could_load_at().

◆ free_unit_orders()

◆ get_activity_rate()

int get_activity_rate ( const struct unit punit)

Returns the speed of a unit doing an activity.

This depends on the veteran level and the base move_rate of the unit (regardless of HP or effects). Usually this is just used for settlers but the value is also used for military units doing fortify/pillage activities.

The speed is multiplied by ACTIVITY_FACTOR.

Definition at line 443 of file unit.cpp.

Referenced by calc_activity(), get_activity_rate_this_turn(), and get_turns_for_activity_at().

◆ get_activity_rate_this_turn()

int get_activity_rate_this_turn ( const struct unit punit)

Returns the amount of work a unit does (will do) on an activity this turn.

Units that have no MP do no work.

The speed is multiplied by ACTIVITY_FACTOR.

Definition at line 470 of file unit.cpp.

Referenced by calc_activity(), converting_fuel_rescue(), and update_unit_activity().

◆ get_activity_text()

const char* get_activity_text ( enum unit_activity  activity)

Return the name of the activity in a static buffer.

Definition at line 586 of file unit.cpp.

Referenced by concat_tile_activity_text(), contemplate_terrain_improvements(), settler_evaluate_improvements(), unit_activity_astr(), and unit_log_prefix().

◆ get_transporter_capacity()

int get_transporter_capacity ( const struct unit punit)

◆ get_transporter_occupancy()

◆ get_turns_for_activity_at()

int get_turns_for_activity_at ( const struct unit punit,
enum unit_activity  activity,
const struct tile ptile,
struct extra_type tgt 
)

Return the estimated number of turns for the worker unit to start and complete the activity at the given location.

This assumes no other worker units are helping out, and doesn't take account of any work already done by this unit.

Definition at line 486 of file unit.cpp.

Referenced by settler_evaluate_improvements().

◆ get_unit_tile_pillage_set()

bv_extras get_unit_tile_pillage_set ( const struct tile ptile)

Return a mask of the extras which are actively (currently) being pillaged on the given tile.

Definition at line 1063 of file unit.cpp.

◆ is_allied_unit_tile()

struct unit* is_allied_unit_tile ( const struct tile ptile,
const struct player pplayer 
)

Returns true if the tile contains an allied unit and only allied units.

(ie, if your nation A is allied with B, and B is allied with C, a tile containing units from B and C will return false)

Definition at line 1211 of file unit.cpp.

Referenced by can_step_taken_wrt_to_zoc(), kill_unit(), and freeciv::refuel_destination::reached().

◆ is_attack_unit()

bool is_attack_unit ( const struct unit punit)

Is the unit capable of attacking?

Definition at line 288 of file unit.cpp.

Referenced by unit_being_aggressive().

◆ is_build_activity()

bool is_build_activity ( enum unit_activity  activity,
const struct tile ptile 
)

Returns true if given activity is some kind of building.

Definition at line 1434 of file unit.cpp.

Referenced by calc_activity(), can_unit_do_activity_targeted_at(), concat_tile_activity_text(), and is_tile_activity().

◆ is_clean_activity()

bool is_clean_activity ( enum unit_activity  activity)

Returns true if given activity is some kind of cleaning.

Definition at line 1450 of file unit.cpp.

Referenced by calc_activity(), concat_tile_activity_text(), and is_tile_activity().

◆ is_enemy_unit_tile()

struct unit* is_enemy_unit_tile ( const struct tile ptile,
const struct player pplayer 
)

Is there an enemy unit on this tile? Returns the unit or nullptr if none.

This function is likely to fail if used at the client because the client doesn't see all units. (Maybe it should be moved into the server code.)

Definition at line 1235 of file unit.cpp.

Referenced by adv_unit_move(), dai_unit_move(), find_something_to_bomb(), handle_edit_city_create(), and unit_can_be_retired().

◆ is_field_unit()

bool is_field_unit ( const struct unit punit)

This checks the "field unit" flag on the unit.

Field units cause unhappiness (under certain governments) even when they aren't abroad.

Definition at line 355 of file unit.cpp.

Referenced by city_unit_unhappiness(), and resolve_city_emergency().

◆ is_hiding_unit()

bool is_hiding_unit ( const struct unit punit)

Is the unit one that is invisible on the map.

A unit is invisible if it has the UTYF_PARTIAL_INVIS flag or if it transported by a unit with this flag.

FIXME: Should the transports recurse all the way?

Definition at line 367 of file unit.cpp.

Referenced by can_player_see_unit_at().

◆ is_losing_hp()

bool is_losing_hp ( const struct unit punit)

Does unit lose hitpoints each turn?

Definition at line 1992 of file unit.cpp.

Referenced by can_unit_do_activity_targeted_at(), can_unit_survive_at_tile(), dai_fill_unit_param(), and dai_manage_unit().

◆ is_military_unit()

bool is_military_unit ( const struct unit punit)

Military units are capable of enforcing martial law.

Military ground and heli units can occupy empty cities – see unit_can_take_over(punit). Some military units, like the Galleon, have no attack strength.

Definition at line 300 of file unit.cpp.

Referenced by adv_settler_safe_tile(), base_assess_defense_unit(), calc_civ_score(), city_support(), dai_manage_unit(), get_munits(), has_defense(), kill_something_with(), notify_illegal_armistice_units(), quickselect(), remove_illegal_armistice_units(), text_happiness_units(), and unit_occupies_tile().

◆ is_my_zoc()

bool is_my_zoc ( const struct player pplayer,
const struct tile ptile0,
const struct civ_map zmap 
)

Is this square controlled by the pplayer?

Here "is_my_zoc" means essentially a square which is not adjacent to an enemy unit (that has a ZOC) on a terrain that has zoc rules.

Since this function is also used in the client, it has to deal with some client-specific features, like FoW and the fact that the client cannot see units inside enemy cities.

Definition at line 1341 of file unit.cpp.

Referenced by can_step_taken_wrt_to_zoc(), pft_fill_attack_param(), pft_fill_overlap_param(), pft_fill_parameter(), and stack_risk().

◆ is_non_allied_unit_tile()

◆ is_non_attack_unit_tile()

struct unit* is_non_attack_unit_tile ( const struct tile ptile,
const struct player pplayer 
)

Is there an unit we have peace or ceasefire with on this tile?

Definition at line 1286 of file unit.cpp.

◆ is_other_players_unit_tile()

struct unit* is_other_players_unit_tile ( const struct tile ptile,
const struct player pplayer 
)

Is there an unit belonging to another player on this tile?

Definition at line 1269 of file unit.cpp.

Referenced by dai_diplomat_bribe_nearby().

◆ is_square_threatened()

bool is_square_threatened ( const struct player pplayer,
const struct tile ptile,
bool  omniscient 
)

Return TRUE iff this tile is threatened from any unit within 2 tiles.

Definition at line 327 of file unit.cpp.

Referenced by adv_settler_safe_tile().

◆ is_terrain_change_activity()

bool is_terrain_change_activity ( enum unit_activity  activity)

Returns true if given activity changes terrain.

Definition at line 1465 of file unit.cpp.

Referenced by is_tile_activity().

◆ is_tile_activity()

bool is_tile_activity ( enum unit_activity  activity)

Returns true if given activity affects tile.

Definition at line 1480 of file unit.cpp.

Referenced by concat_tile_activity_text().

◆ is_unit_activity_on_tile()

bool is_unit_activity_on_tile ( enum unit_activity  activity,
const struct tile ptile 
)

Return whether any units on the tile are doing this activity.

Definition at line 1046 of file unit.cpp.

Referenced by units_have_activity_on_tile().

◆ kills_citizen_after_attack()

bool kills_citizen_after_attack ( const struct unit punit)

Return TRUE iff an attack from this unit would kill a citizen in a city (city walls protect against this).

Definition at line 389 of file unit.cpp.

Referenced by unit_attack_civilian_casualties().

◆ set_unit_activity()

◆ set_unit_activity_targeted()

void set_unit_activity_targeted ( struct unit punit,
enum unit_activity  new_activity,
struct extra_type new_target 
)

assign a new targeted task to a unit.

Definition at line 1028 of file unit.cpp.

Referenced by set_unit_activity_base(), set_unit_activity_road(), sg_load_player_unit(), and unit_activity_targeted_internal().

◆ setup_real_activities_array()

void setup_real_activities_array ( )

Setup array of real activities.

Definition at line 556 of file unit.cpp.

Referenced by fc_interface_init().

◆ test_unit_can_airlift_to()

enum unit_airlift_result test_unit_can_airlift_to ( const struct player restriction,
const struct unit punit,
const struct city pdest_city 
)

Determines if punit can be airlifted to dest_city now! So punit needs to be in a city now.

If pdest_city is nullptr, just indicate whether it's possible for the unit to be airlifted at all from its current position. The 'restriction' parameter specifies which player's knowledge this is based on – one player can't see whether another's cities are currently able to airlift. (Clients other than global observers should only call this with a non-nullptr 'restriction'.)

Definition at line 54 of file unit.cpp.

Referenced by action_not_enabled_reason(), and get_airlift_text().

◆ transporter_for_unit()

struct unit* transporter_for_unit ( const struct unit pcargo)

Find the best transporter at the given location for the unit.

See also unit_can_load() to test if there will be transport might be suitable for 'pcargo'.

Definition at line 1779 of file unit.cpp.

Referenced by api_find_transport_unit(), freeciv::path_finder::path_finder_private::attempt_load(), player_restore_units(), request_unit_load(), try_to_save_unit(), and unit_move().

◆ transporter_for_unit_at()

struct unit* transporter_for_unit_at ( const struct unit pcargo,
const struct tile ptile 
)

Find the best transporter at the given location for the unit.

See also unit_could_load_at() to test if there will be transport might be suitable for 'pcargo'.

Definition at line 1789 of file unit.cpp.

Referenced by adv_unit_move(), freeciv::path_finder::path_finder_private::attempt_unload(), dai_unit_attack(), dai_unit_move(), remove_city(), and request_transport().

◆ unit_activity_astr()

void unit_activity_astr ( const struct unit punit,
QString &  astr 
)

Append text describing the unit's current activity to the given astring.

Definition at line 1096 of file unit.cpp.

Referenced by unit_activity_text(), and unit_description().

◆ unit_activity_text()

const QString unit_activity_text ( const struct unit punit)

Return text describing the unit's current activity as a static string.

FIXME: Convert all callers of this function to unit_activity_astr() because this function is not re-entrant.

Definition at line 1085 of file unit.cpp.

Referenced by units_select::paint().

◆ unit_ai_data()

void* unit_ai_data ( const struct unit punit,
const struct ai_type ai 
)

Return pointer to ai data of given unit and ai type.

Definition at line 2039 of file unit.cpp.

Referenced by def_ai_unit_data().

◆ unit_being_aggressive()

bool unit_being_aggressive ( const struct unit punit)

An "aggressive" unit is a unit which may cause unhappiness under a Republic or Democracy.

A unit is not aggressive if one or more of following is true:

  • zero attack strength
  • inside a city
  • ground unit inside a fortress within 3 squares of a friendly city

Definition at line 1399 of file unit.cpp.

Referenced by city_unit_unhappiness(), and resolve_city_emergency().

◆ unit_bribe_cost()

int unit_bribe_cost ( struct unit punit,
struct player briber 
)

Calculate how expensive it is to bribe the unit.

The cost depends on the distance to the capital, the owner's treasury, and the build cost of the unit. For a damaged unit the price is reduced. For a veteran unit, it is increased.

The bribe cost for settlers are halved.

Definition at line 2061 of file unit.cpp.

Referenced by dai_diplomat_bribe_nearby(), diplomat_bribe(), handle_unit_action_query(), and popup_info_text().

◆ unit_can_add_or_build_city()

bool unit_can_add_or_build_city ( const struct unit punit)

Return TRUE iff this unit can add to a current city or build a new city at its current location.

Definition at line 399 of file unit.cpp.

Referenced by mr_menu::menus_sensitive(), mr_menu::slot_build_city(), and unit_actions::update_actions().

◆ unit_can_airlift_to()

bool unit_can_airlift_to ( const struct unit punit,
const struct city pdest_city 
)

Determines if punit can be airlifted to dest_city now! So punit needs to be in a city now.

On the server this gives correct information; on the client it errs on the side of saying airlifting is possible even if it's not certain given player knowledge.

Definition at line 179 of file unit.cpp.

Referenced by goto_dialog::airlift_to(), dai_airlift(), and goto_dialog::item_selected().

◆ unit_can_convert()

bool unit_can_convert ( const struct unit punit)

Tests if unit can be converted to another type.

Definition at line 1877 of file unit.cpp.

Referenced by converting_fuel_rescue(), unit_convert(), and units_can_convert().

◆ unit_can_do_action()

◆ unit_can_do_action_result()

bool unit_can_do_action_result ( const struct unit punit,
enum action_result  result 
)

Return TRUE iff this unit can do any enabler controlled action with the specified action result.

Definition at line 318 of file unit.cpp.

Referenced by dai_diplomat_bribe_nearby(), and is_attack_unit().

◆ unit_can_est_trade_route_here()

bool unit_can_est_trade_route_here ( const struct unit punit)

Return TRUE iff this unit can be disbanded at its current location to provide a trade route from the homecity to the target city.

Definition at line 267 of file unit.cpp.

Referenced by mr_menu::menus_sensitive(), and mr_menu::slot_build_road().

◆ unit_can_help_build_wonder_here()

bool unit_can_help_build_wonder_here ( const struct unit punit)

Return TRUE unless it is known to be imposible to disband this unit at its current position to get full shields for building a wonder.

Definition at line 243 of file unit.cpp.

Referenced by mr_menu::menus_sensitive().

◆ unit_cargo_depth()

int unit_cargo_depth ( const struct unit pcargo)

Returns the number of unit cargo layers within transport 'ptrans'.

Definition at line 2289 of file unit.cpp.

Referenced by could_unit_load(), and pft_fill_unit_default_parameter().

◆ unit_contained_in()

bool unit_contained_in ( const struct unit pcargo,
const struct unit ptrans 
)

Returns whether 'pcargo' is transported by 'ptrans', either directly or indirectly.

Definition at line 2274 of file unit.cpp.

Referenced by mr_menu::find_last_unit_pos(), and unit_move_handling().

◆ unit_has_orders()

◆ unit_is_alive()

bool unit_is_alive ( int  id)

Check if unit with given id is still alive.

Use this before using old unit pointers when unit might have died.

Definition at line 2014 of file unit.cpp.

Referenced by action_auto_perf_unit_do(), action_success_actor_consume(), action_success_pay_mp(), action_success_target_pay_mp(), city_create_unit(), diplomat_bribe(), spy_attack(), unit_do_disband_trad(), unit_enter_hut(), unit_move(), unit_move_consequences(), and upkeep_kill_unit().

◆ unit_is_cityfounder()

bool unit_is_cityfounder ( const struct unit punit)

◆ unit_is_virtual()

bool unit_is_virtual ( const struct unit punit)

Return TRUE if this is a valid unit pointer but does not correspond to any unit that exists in the game.

NB: A return value of FALSE implies that either the pointer is nullptr or that the unit exists in the game.

Definition at line 2027 of file unit.cpp.

Referenced by tile_virtual_destroy().

◆ unit_nationality()

struct player* unit_nationality ( const struct unit punit)

Return the nationality of the unit.

Definition at line 1190 of file unit.cpp.

Referenced by city_add_unit(), city_build(), do_heal_unit(), package_unit(), popup_info_text(), sg_save_player_units(), and unit_description().

◆ unit_occupies_tile()

struct unit* unit_occupies_tile ( const struct tile ptile,
const struct player pplayer 
)

Is there an occupying unit on this tile?

Intended for both client and server; assumes that hiding units are not sent to client. First check tile for known and seen.

called by city_can_work_tile().

Definition at line 1308 of file unit.cpp.

Referenced by base_city_can_work_tile().

◆ unit_pays_mp_for_action()

int unit_pays_mp_for_action ( const struct action paction,
const struct unit punit 
)

Returns the amount of movement points successfully performing the specified action will consume in the actor unit.

Definition at line 1973 of file unit.cpp.

Referenced by action_success_pay_mp(), adv_unit_move(), freeciv::detail::vertex::child_for_action(), dai_action_value_unit_vs_city(), and dai_unit_move().

◆ unit_set_ai_data()

void unit_set_ai_data ( struct unit punit,
const struct ai_type ai,
void *  data 
)

Attach ai data to unit.

Definition at line 2047 of file unit.cpp.

Referenced by dai_unit_close(), and dai_unit_init().

◆ unit_shield_value()

int unit_shield_value ( const struct unit punit,
const struct unit_type punittype,
const struct action paction 
)

Returns how many shields the unit (type) is worth.

Parameters
punitthe unit. Can be nullptr if punittype is set.
punittypethe unit's type. Can be nullptr iff punit is set.
pactionthe action the unit does when valued.
Returns
the unit's value in shields.

Definition at line 204 of file unit.cpp.

Referenced by city_gold_worth(), unit_do_help_build(), and unit_upgrade_price().

◆ unit_tile_set()

◆ unit_transport_cargo()

struct unit_list* unit_transport_cargo ( const struct unit ptrans)

◆ unit_transport_check()

bool unit_transport_check ( const struct unit pcargo,
const struct unit ptrans 
)

Returns whether 'pcargo' in 'ptrans' is a valid transport.

Note that 'pcargo' can already be (but doesn't need) loaded into 'ptrans'.

It may fail if one of the cargo unit has the same type of one of the transporter unit or if one of the cargo unit can transport one of the transporters.

Definition at line 2227 of file unit.cpp.

Referenced by could_unit_load().

◆ unit_transport_depth()

int unit_transport_depth ( const struct unit ptrans)

Returns the number of unit transport layers which carry unit 'pcargo'.

Definition at line 2307 of file unit.cpp.

Referenced by amphibious_move_scope(), base_transporter_for_unit(), and could_unit_load().

◆ unit_transport_get()

◆ unit_transport_load()

bool unit_transport_load ( struct unit pcargo,
struct unit ptrans,
bool  force 
)

Load pcargo onto ptrans.

Returns TRUE on success.

Definition at line 2123 of file unit.cpp.

Referenced by dai_military_attack_barbarian(), handle_unit_packet_common(), sg_load_player_units_transport(), unit_transport_load_send(), and unit_transport_load_tp_status().

◆ unit_transport_unload()

bool unit_transport_unload ( struct unit pcargo)

◆ unit_transported()

◆ unit_type_is_losing_hp()

bool unit_type_is_losing_hp ( const struct player pplayer,
const struct unit_type punittype 
)

Does unit lose hitpoints each turn?

Definition at line 2003 of file unit.cpp.

Referenced by dai_choose_attacker_air().

◆ unit_type_really_ignores_zoc()

bool unit_type_really_ignores_zoc ( const struct unit_type punittype)

Takes into account unit class flag UCF_ZOC as well as IGZOC.

Definition at line 1385 of file unit.cpp.

Referenced by can_step_taken_wrt_to_zoc(), pft_fill_attack_param(), pft_fill_overlap_param(), and pft_fill_parameter().

◆ unit_upgrade_info()

enum unit_upgrade_result unit_upgrade_info ( const struct unit punit,
char *  buf,
size_t  bufsz 
)

Find the result of trying to upgrade the unit, and a message that most callers can use directly.

Definition at line 1877 of file unit.cpp.

Referenced by get_units_upgrade_info().

◆ unit_upgrade_test()

enum unit_upgrade_result unit_upgrade_test ( const struct unit punit,
bool  is_free 
)

Tests if the unit could be updated.

Returns UU_OK if is this is possible.

is_free should be set if the unit upgrade is "free" (e.g., Leonardo's). Otherwise money is needed and the unit must be in an owned city.

Note that this function is strongly tied to unittools.c:upgrade_unit().

Definition at line 1799 of file unit.cpp.

Referenced by action_not_enabled_reason(), do_upgrade_effects(), get_units_upgrade_info(), handle_unit_type_upgrade(), units_can_upgrade(), and unit_actions::update_actions().

◆ unit_upkeep_astr()

void unit_upkeep_astr ( const struct unit punit,
QString &  s 
)

Append a line of text describing the unit's upkeep to the astring.

NB: In the client it is assumed that this information is only available for units owned by the client's player; the caller must check this.

Definition at line 1174 of file unit.cpp.

Referenced by unit_description().

◆ unit_virtual_create()

◆ unit_virtual_destroy()

Variable Documentation

◆ real_activities

Activity_type_id real_activities[ACTIVITY_LAST]
extern

Definition at line 36 of file unit.cpp.

Referenced by setup_real_activities_array().

◆ tile_changing_activities

const Activity_type_id tile_changing_activities[]
extern

Definition at line 38 of file unit.cpp.