From 81edcd574127e057711e3b4419b2c7d43e2f94ee Mon Sep 17 00:00:00 2001 From: Marko Lindqvist Date: Thu, 3 Jul 2025 01:21:38 +0300 Subject: [PATCH 57/66] unithand.c: Improve coding style See RM #1535 Signed-off-by: Marko Lindqvist --- server/unithand.c | 456 +++++++++++++++++++++++----------------------- 1 file changed, 230 insertions(+), 226 deletions(-) diff --git a/server/unithand.c b/server/unithand.c index 46e72bc7ec..d235481772 100644 --- a/server/unithand.c +++ b/server/unithand.c @@ -192,7 +192,7 @@ void handle_unit_type_upgrade(struct player *pplayer, Unit_type_id uti) struct action *paction = action_by_number(ACTION_UPGRADE_UNIT); const struct civ_map *nmap = &(wld.map); - if (NULL == from_unittype) { + if (from_unittype == nullptr) { /* Probably died or bribed. */ log_verbose("handle_unit_type_upgrade() invalid unit type %d", uti); return; @@ -200,15 +200,15 @@ void handle_unit_type_upgrade(struct player *pplayer, Unit_type_id uti) to_unittype = can_upgrade_unittype(pplayer, from_unittype); if (!to_unittype) { - notify_player(pplayer, NULL, E_BAD_COMMAND, ftc_server, + notify_player(pplayer, nullptr, E_BAD_COMMAND, ftc_server, _("Illegal packet, can't upgrade %s (yet)."), utype_name_translation(from_unittype)); return; } - /* + /* * Try to upgrade units. The order we upgrade in is arbitrary (if - * the player really cared they should have done it manually). + * the player really cared they should have done it manually). */ conn_list_do_buffer(pplayer->connections); unit_list_iterate(pplayer->units, punit) { @@ -229,7 +229,8 @@ void handle_unit_type_upgrade(struct player *pplayer, Unit_type_id uti) /* Alert the player about what happened. */ if (number_of_upgraded_units > 0) { const int cost = unit_upgrade_price(pplayer, from_unittype, to_unittype); - notify_player(pplayer, NULL, E_UNIT_UPGRADED, ftc_server, + + notify_player(pplayer, nullptr, E_UNIT_UPGRADED, ftc_server, /* FIXME: plurality of number_of_upgraded_units ignored! * (Plurality of unit names is messed up anyway.) */ /* TRANS: "2 Musketeers upgraded to Riflemen for 100 gold." @@ -243,7 +244,7 @@ void handle_unit_type_upgrade(struct player *pplayer, Unit_type_id uti) cost * number_of_upgraded_units); send_player_info_c(pplayer, pplayer->connections); } else { - notify_player(pplayer, NULL, E_UNIT_UPGRADED, ftc_server, + notify_player(pplayer, nullptr, E_UNIT_UPGRADED, ftc_server, _("No units could be upgraded.")); } } @@ -395,7 +396,7 @@ static bool do_capture_units(struct player *pplayer, struct player *uplayer; const char *victim_link; const struct unit_type *utype; - struct tile *ptile = NULL; + struct tile *ptile = nullptr; bool really_lost = FALSE; if (!to_capture) { @@ -452,14 +453,14 @@ static bool do_capture_units(struct player *pplayer, _("%s lost along with control of %s."), victim_link, hcity_name); /* As in unit_change_owner(), don't say pplayer is killer */ - wipe_unit(to_capture, ULR_CAPTURED, NULL); + wipe_unit(to_capture, ULR_CAPTURED, nullptr); continue; } - if (to_capture != NULL) { + if (to_capture != nullptr) { struct player *new_owner = unit_owner(to_capture); - if (NULL != pcity /* Keep old behavior */ + if (pcity != nullptr /* Keep old behavior */ || is_non_allied_city_tile(ptile, new_owner) || (new_owner == pplayer ? non_allied_not_listed_at(pplayer, capt + (i + 1), @@ -494,7 +495,7 @@ static bool do_capture_units(struct player *pplayer, unit_did_action(punit); unit_forget_last_activity(punit); - send_unit_info(NULL, punit); + send_unit_info(nullptr, punit); return TRUE; } @@ -515,10 +516,10 @@ static bool occupy_move(struct tile *def_tile, struct unit *punit, punit->moves_left = full_moves; /* Post attack occupy move. */ - if (NULL != action_auto_perf_unit_do(AAPC_POST_ACTION, punit, - NULL, NULL, paction, - def_tile, tile_city(def_tile), - NULL, NULL)) { + if (action_auto_perf_unit_do(AAPC_POST_ACTION, punit, + nullptr, nullptr, paction, + def_tile, tile_city(def_tile), + nullptr, nullptr) != nullptr) { if (unit_is_alive(id)) { int mcost = MAX(0, full_moves - punit->moves_left - SINGLE_MOVE); @@ -588,7 +589,7 @@ static bool do_wipe_units(struct unit *punit, unit_did_action(punit); unit_forget_last_activity(punit); - send_unit_info(NULL, punit); + send_unit_info(nullptr, punit); } return TRUE; @@ -637,12 +638,12 @@ static bool do_expel_unit(struct player *pplayer, /* N.B: unit_link() always returns the same pointer. */ sz_strlcpy(target_link, unit_link(target)); - if (pcity == NULL) { + if (pcity == nullptr) { /* No where to send the expelled unit. */ /* The price of failing an expulsion is a single move. */ actor->moves_left = MAX(0, actor->moves_left - SINGLE_MOVE); - send_unit_info(NULL, actor); + send_unit_info(nullptr, actor); /* Notify the actor player. */ notify_player(pplayer, target_tile, E_UNIT_ACTION_FAILED, ftc_server, @@ -704,7 +705,7 @@ static bool do_conquer_extras(struct player *act_player, fc_assert_ret_val(tgt_tile, FALSE); unit_move(act_unit, tgt_tile, move_cost, - NULL, BV_ISSET(paction->sub_results, ACT_SUB_RES_MAY_EMBARK), + nullptr, BV_ISSET(paction->sub_results, ACT_SUB_RES_MAY_EMBARK), FALSE, TRUE, BV_ISSET(paction->sub_results, ACT_SUB_RES_HUT_ENTER), BV_ISSET(paction->sub_results, ACT_SUB_RES_HUT_FRIGHTEN)); @@ -767,7 +768,7 @@ static bool do_heal_unit(struct player *act_player, /* The max amount of HP that can be added. */ healing_limit = ((get_target_bonus_effects( - NULL, + nullptr, &(const struct req_context) { .player = unit_owner(act_unit), .city = tile_city(unit_tile(act_unit)), @@ -789,9 +790,9 @@ static bool do_heal_unit(struct player *act_player, /* Heal the target unit. */ tgt_unit->hp = MIN(tgt_unit->hp + healing_limit, tgt_hp_max); - send_unit_info(NULL, tgt_unit); + send_unit_info(nullptr, tgt_unit); - send_unit_info(NULL, act_unit); + send_unit_info(nullptr, act_unit); /* Every call to unit_link() overwrites the previous. Two units are being * linked to. */ @@ -928,7 +929,7 @@ static bool do_disembark(struct player *act_player, fc_assert_ret_val(paction, FALSE); unit_move(act_unit, tgt_tile, move_cost, - NULL, BV_ISSET(paction->sub_results, ACT_SUB_RES_MAY_EMBARK), + nullptr, BV_ISSET(paction->sub_results, ACT_SUB_RES_MAY_EMBARK), FALSE, FALSE, BV_ISSET(paction->sub_results, ACT_SUB_RES_HUT_ENTER), BV_ISSET(paction->sub_results, ACT_SUB_RES_HUT_FRIGHTEN)); @@ -956,7 +957,7 @@ static bool do_unit_hut(struct player *act_player, fc_assert_ret_val(paction, FALSE); unit_move(act_unit, tgt_tile, move_cost, - NULL, BV_ISSET(paction->sub_results, ACT_SUB_RES_MAY_EMBARK), + nullptr, BV_ISSET(paction->sub_results, ACT_SUB_RES_MAY_EMBARK), FALSE, FALSE, BV_ISSET(paction->sub_results, ACT_SUB_RES_HUT_ENTER), BV_ISSET(paction->sub_results, ACT_SUB_RES_HUT_FRIGHTEN)); @@ -1012,7 +1013,7 @@ static bool do_unit_embark(struct player *act_player, static bool do_unit_make_homeless(struct unit *punit, const struct action *paction) { - unit_change_homecity_handling(punit, NULL, TRUE); + unit_change_homecity_handling(punit, nullptr, TRUE); return punit->homecity == IDENTITY_NUMBER_ZERO; } @@ -1057,7 +1058,7 @@ need_war_enabler(const struct unit_type *actor_utype, const int, const bool)) { - if (player2 == NULL) { + if (player2 == nullptr) { /* No one to declare war on */ return FALSE; } @@ -1095,20 +1096,20 @@ static struct player *need_war_player_hlp(const struct unit *actor, const struct city *target_city, const struct unit *target_unit) { - struct player *target_player = NULL; + struct player *target_player = nullptr; struct player *actor_player = unit_owner(actor); struct action *paction = action_by_number(act); - fc_assert_ret_val(paction != NULL, NULL); + fc_assert_ret_val(paction != nullptr, nullptr); if (action_id_get_actor_kind(act) != AAK_UNIT) { /* No unit can ever do this action so it isn't relevant. */ - return NULL; + return nullptr; } if (!unit_can_do_action(actor, act)) { /* The unit can't do the action no matter if there is war or not. */ - return NULL; + return nullptr; } /* Look for hard coded war requirements without support for looking up in @@ -1122,7 +1123,7 @@ static struct player *need_war_player_hlp(const struct unit *actor, fc_assert_action(action_get_target_kind(paction) == ATK_STACK, break); if (!unit_has_type_flag(actor, UTYF_FLAGLESS)) { - if (target_tile != NULL) { + if (target_tile != nullptr) { struct city *tcity; if ((tcity = tile_city(target_tile)) @@ -1137,7 +1138,7 @@ static struct player *need_war_player_hlp(const struct unit *actor, case ACTRES_PARADROP_CONQUER: /* Target is a tile but a city can block it. */ fc_assert_action(action_get_target_kind(paction) == ATK_TILE, break); - if (target_tile != NULL + if (target_tile != nullptr && map_is_known_and_seen(target_tile, actor_player, V_MAIN)) { /* Seen tile unit savers */ @@ -1220,29 +1221,29 @@ static struct player *need_war_player_hlp(const struct unit *actor, /* Look for war requirements from the action enablers. */ switch (action_get_target_kind(paction)) { case ATK_CITY: - if (target_city == NULL) { + if (target_city == nullptr) { /* No target city. */ - return NULL; + return nullptr; } target_player = city_owner(target_city); break; case ATK_UNIT: - if (target_unit == NULL) { + if (target_unit == nullptr) { /* No target unit. */ - return NULL; + return nullptr; } if (unit_has_type_flag(target_unit, UTYF_FLAGLESS)) { /* Target unit is flagless anyway - no war needed */ - return NULL; + return nullptr; } target_player = unit_owner(target_unit); break; case ATK_STACK: - if (target_tile == NULL) { + if (target_tile == nullptr) { /* No target units since no target tile. */ - return NULL; + return nullptr; } unit_list_iterate(target_tile->units, tunit) { @@ -1254,36 +1255,36 @@ static struct player *need_war_player_hlp(const struct unit *actor, } unit_list_iterate_end; break; case ATK_TILE: - if (target_tile == NULL) { + if (target_tile == nullptr) { /* No target tile. */ - return NULL; + return nullptr; } target_player = tile_owner(target_tile); break; case ATK_EXTRAS: - if (target_tile == NULL) { + if (target_tile == nullptr) { /* No target tile. */ - return NULL; + return nullptr; } target_player = target_tile->owner; break; case ATK_SELF: /* Can't declare war on itself. */ - return NULL; + return nullptr; break; case ATK_COUNT: /* Nothing to check. */ fc_assert(action_id_get_target_kind(act) != ATK_COUNT); - return NULL; + return nullptr; } - if (target_player == NULL) { + if (target_player == nullptr) { /* Declaring war won't enable the specified action. */ - return NULL; + return nullptr; } /* Look for DiplRelTileOther war requirements from the action enablers. */ - if (target_tile != NULL + if (target_tile != nullptr && need_war_enabler(unit_type_get(actor), paction, actor_player, tile_owner(target_tile), utype_can_act_if_tgt_diplrel_tile_other)) { @@ -1303,7 +1304,7 @@ static struct player *need_war_player_hlp(const struct unit *actor, * webperimental's "can't found a city on a tile belonging to a non enemy" * rule still is detected. */ - return NULL; + return nullptr; } /**********************************************************************//** @@ -1326,14 +1327,14 @@ static struct player *need_war_player(const struct unit *actor, target_tile, target_city, target_unit); - if (war_player != NULL) { + if (war_player != nullptr) { /* Declaring war on this player may enable this action. */ return war_player; } } action_iterate_end; /* No action at all may be enabled by declaring war. */ - return NULL; + return nullptr; } else { /* Look for the specified action. */ return need_war_player_hlp(actor, act_id, @@ -1459,7 +1460,7 @@ static struct ane_expl *expl_act_not_enabl(struct unit *punit, const struct action *paction; struct action *blocker; struct player *act_player = unit_owner(punit); - struct player *tgt_player = NULL; + struct player *tgt_player = nullptr; struct ane_expl *explnat = fc_malloc(sizeof(struct ane_expl)); struct civ_map *nmap = &(wld.map); bool can_exist = can_unit_exist_at_tile(nmap, punit, unit_tile(punit)); @@ -1475,19 +1476,19 @@ static struct ane_expl *expl_act_not_enabl(struct unit *punit, /* A specific action should have a suitable target. */ switch (action_get_target_kind(paction)) { case ATK_CITY: - if (target_city == NULL) { + if (target_city == nullptr) { explnat->kind = ANEK_MISSING_TARGET; } break; case ATK_UNIT: - if (target_unit == NULL) { + if (target_unit == nullptr) { explnat->kind = ANEK_MISSING_TARGET; } break; case ATK_STACK: case ATK_TILE: case ATK_EXTRAS: - if (target_tile == NULL) { + if (target_tile == nullptr) { explnat->kind = ANEK_MISSING_TARGET; } break; @@ -1558,7 +1559,8 @@ static struct ane_expl *expl_act_not_enabl(struct unit *punit, action_custom = unit_upgrade_test(nmap, punit, FALSE); break; case ACTRES_AIRLIFT: - action_custom = test_unit_can_airlift_to(nmap, NULL, punit, target_city); + action_custom = test_unit_can_airlift_to(nmap, nullptr, punit, + target_city); break; case ACTRES_NUKE_UNITS: action_custom = unit_attack_units_at_tile_result(punit, paction, @@ -1577,7 +1579,7 @@ static struct ane_expl *expl_act_not_enabl(struct unit *punit, punit->activity, unit_tile(punit), city_tile(target_city), - FALSE, FALSE, NULL, TRUE); + FALSE, FALSE, nullptr, TRUE); } else { action_custom = MR_OK; } @@ -1588,7 +1590,7 @@ static struct ane_expl *expl_act_not_enabl(struct unit *punit, punit->activity, unit_tile(punit), unit_tile(target_unit), - FALSE, TRUE, NULL, FALSE); + FALSE, TRUE, nullptr, FALSE); } else { action_custom = MR_OK; } @@ -1603,18 +1605,18 @@ static struct ane_expl *expl_act_not_enabl(struct unit *punit, punit->activity, unit_tile(punit), target_tile, - FALSE, FALSE, NULL, FALSE); + FALSE, FALSE, nullptr, FALSE); } else { action_custom = MR_OK; } break; case ACTRES_TELEPORT: - if (target_tile != NULL) { + if (target_tile != nullptr) { action_custom = unit_teleport_to_tile_test(nmap, punit, punit->activity, unit_tile(punit), target_tile, - FALSE, NULL, FALSE); + FALSE, nullptr, FALSE); } else { action_custom = MR_OK; } @@ -1665,7 +1667,7 @@ static struct ane_expl *expl_act_not_enabl(struct unit *punit, explnat->no_act_terrain = tile_terrain(target_tile); } else if ((action_has_result_safe(paction, ACTRES_PARADROP) || action_has_result_safe(paction, ACTRES_PARADROP_CONQUER)) - && target_tile != NULL + && target_tile != nullptr && map_is_known_and_seen(target_tile, act_player, V_MAIN) && (!can_unit_exist_at_tile(nmap, punit, target_tile) @@ -1724,26 +1726,26 @@ static struct ane_expl *expl_act_not_enabl(struct unit *punit, act_id, target_tile, target_city, - target_unit)) != NULL) { + target_unit)) != nullptr) { explnat->kind = ANEK_NO_WAR; explnat->no_war_with = must_war_player; } else if (action_mp_full_makes_legal(punit, act_id)) { explnat->kind = ANEK_LOW_MP; - } else if (tgt_player != NULL + } else if (tgt_player != nullptr && act_player != tgt_player && !can_utype_do_act_if_tgt_diplrel(unit_type_get(punit), act_id, DRO_FOREIGN, TRUE)) { explnat->kind = ANEK_FOREIGN; - } else if (tgt_player != NULL + } else if (tgt_player != nullptr && act_player == tgt_player && !can_utype_do_act_if_tgt_diplrel(unit_type_get(punit), act_id, DRO_FOREIGN, FALSE)) { explnat->kind = ANEK_DOMESTIC; - } else if (punit != NULL + } else if (punit != nullptr && does_nation_block_action(act_id, FALSE, punit, act_player->nation)) { explnat->kind = ANEK_NATION_ACT; @@ -1765,13 +1767,13 @@ static struct ane_expl *expl_act_not_enabl(struct unit *punit, CITYT_CENTER, FALSE)) { explnat->kind = ANEK_IS_NOT_CITY_CENTER; - } else if ((target_tile && tile_owner(target_tile) != NULL) + } else if ((target_tile && tile_owner(target_tile) != nullptr) && !utype_may_act_tgt_city_tile(unit_type_get(punit), act_id, CITYT_CLAIMED, TRUE)) { explnat->kind = ANEK_TGT_IS_CLAIMED; - } else if ((target_tile && tile_owner(target_tile) == NULL) + } else if ((target_tile && tile_owner(target_tile) == nullptr) && !utype_may_act_tgt_city_tile(unit_type_get(punit), act_id, CITYT_CLAIMED, @@ -1878,7 +1880,7 @@ static struct ane_expl *expl_act_not_enabl(struct unit *punit, explnat->kind = ANEK_CITY_TOO_CLOSE_TGT; } else if ((action_has_result_safe(paction, ACTRES_PARADROP_CONQUER) || action_has_result_safe(paction, ACTRES_PARADROP)) - && target_tile != NULL + && target_tile != nullptr && !map_is_known(target_tile, act_player)) { explnat->kind = ANEK_TGT_TILE_UNKNOWN; } else if ((action_has_result_safe(paction, ACTRES_CONQUER_CITY) @@ -2465,13 +2467,13 @@ void handle_unit_get_actions(struct connection *pc, case ATK_UNIT: /* The unit should be sent as a target since it is possible to act * against it. */ - fc_assert(target_unit != NULL); + fc_assert(target_unit != nullptr); target_unit_id = target_unit->id; break; case ATK_TILE: case ATK_EXTRAS: /* The target tile isn't selected here so it hasn't changed. */ - fc_assert(target_tile != NULL); + fc_assert(target_tile != nullptr); if (target_extra && action_id_has_complex_target(act)) { /* The target extra may have been set here. */ @@ -2480,11 +2482,11 @@ void handle_unit_get_actions(struct connection *pc, break; case ATK_STACK: /* The target tile isn't selected here so it hasn't changed. */ - fc_assert(target_tile != NULL); + fc_assert(target_tile != nullptr); break; case ATK_SELF: /* The target unit is the actor unit. It is already sent. */ - fc_assert(actor_unit != NULL); + fc_assert(actor_unit != nullptr); break; case ATK_COUNT: fc_assert_msg(action_id_get_target_kind(act) != ATK_COUNT, @@ -2720,7 +2722,7 @@ void illegal_action_msg(struct player *pplayer, notify_player(pplayer, unit_tile(actor), event, ftc_server, /* TRANS: action name. - * "Your Riflemen can't do Expel Unit to domestic + * "Your Riflemen can't do Expel Unit to domestic * unit stacks." */ _("Your %s can't do %s to domestic %s."), unit_name_translation(actor), @@ -3035,7 +3037,7 @@ static bool illegal_action_pay_price(struct player *pplayer, /* The mistake may have a cost. */ /* HP cost */ - punishment_hp = get_target_bonus_effects(NULL, &actor_ctxt, &tgt_ctxt, + punishment_hp = get_target_bonus_effects(nullptr, &actor_ctxt, &tgt_ctxt, EFT_ILLEGAL_ACTION_HP_COST); /* Stay in range */ @@ -3066,7 +3068,7 @@ static bool illegal_action_pay_price(struct player *pplayer, " do %s."), unit_name_translation(act_unit), punishment_hp, action_name_translation(stopped_action)); - send_unit_info(NULL, act_unit); + send_unit_info(nullptr, act_unit); } else { /* The unit didn't survive */ @@ -3079,15 +3081,15 @@ static bool illegal_action_pay_price(struct player *pplayer, unit_name_translation(act_unit), action_name_translation(stopped_action)); - wipe_unit(act_unit, ULR_KILLED, NULL); - act_unit = NULL; + wipe_unit(act_unit, ULR_KILLED, nullptr); + act_unit = nullptr; return TRUE; } } /* MP cost */ - punishment_mp = get_target_bonus_effects(NULL, &actor_ctxt, &tgt_ctxt, + punishment_mp = get_target_bonus_effects(nullptr, &actor_ctxt, &tgt_ctxt, EFT_ILLEGAL_ACTION_MOVE_COST); /* Stay in range */ @@ -3095,7 +3097,7 @@ static bool illegal_action_pay_price(struct player *pplayer, /* Punish the unit's move fragments. */ act_unit->moves_left = MAX(0, act_unit->moves_left - punishment_mp); - send_unit_info(NULL, act_unit); + send_unit_info(nullptr, act_unit); if (punishment_mp != 0) { /* The player probably wants to be disturbed if their unit was punished @@ -3144,7 +3146,7 @@ static void illegal_action(struct player *pplayer, stopped_action, actor, target_city, target_unit, - target_tile, NULL)); + target_tile, nullptr)); if (request_kind == REQEST_PLAYER_INITIATED) { /* This is a foreground request. */ @@ -3209,7 +3211,7 @@ void handle_unit_action_query(struct connection *pc, struct tile *ptile = index_to_tile(&(wld.map), target_id); const struct civ_map *nmap = &(wld.map); - if (NULL == paction) { + if (paction == nullptr) { /* Non existing action */ log_error("handle_unit_action_query() the action %d doesn't exist.", action_type); @@ -3218,7 +3220,7 @@ void handle_unit_action_query(struct connection *pc, return; } - if (NULL == pactor) { + if (pactor == nullptr) { /* Probably died or bribed. */ log_verbose("handle_unit_action_query() invalid actor %d", actor_id); @@ -3271,8 +3273,8 @@ void handle_unit_action_query(struct connection *pc, action_type, request_kind); } else { illegal_action(pplayer, pactor, action_type, - pcity ? city_owner(pcity) : NULL, - NULL, pcity, NULL, request_kind, ACT_REQ_PLAYER); + pcity ? city_owner(pcity) : nullptr, + nullptr, pcity, nullptr, request_kind, ACT_REQ_PLAYER); unit_query_impossible(pc, actor_id, target_id, request_kind); return; } @@ -3296,8 +3298,8 @@ void handle_unit_action_query(struct connection *pc, request_kind); } else { illegal_action(pplayer, pactor, action_type, - pcity ? city_owner(pcity) : NULL, - NULL, pcity, NULL, request_kind, ACT_REQ_PLAYER); + pcity ? city_owner(pcity) : nullptr, + nullptr, pcity, nullptr, request_kind, ACT_REQ_PLAYER); unit_query_impossible(pc, actor_id, target_id, request_kind); return; } @@ -3311,8 +3313,8 @@ void handle_unit_action_query(struct connection *pc, action_by_number(action_type), request_kind); } else { illegal_action(pplayer, pactor, action_type, - pcity ? city_owner(pcity) : NULL, - NULL, pcity, NULL, request_kind, ACT_REQ_PLAYER); + pcity ? city_owner(pcity) : nullptr, + nullptr, pcity, nullptr, request_kind, ACT_REQ_PLAYER); unit_query_impossible(pc, actor_id, target_id, request_kind); return; } @@ -3375,11 +3377,11 @@ bool unit_perform_action(struct player *pplayer, struct action *paction; int sub_tgt_id; struct unit *actor_unit = player_unit_by_number(pplayer, actor_id); - struct tile *target_tile = NULL; + struct tile *target_tile = nullptr; struct extra_type *target_extra; struct impr_type *sub_tgt_impr; - struct unit *punit = NULL; - struct city *pcity = NULL; + struct unit *punit = nullptr; + struct city *pcity = nullptr; const struct civ_map *nmap = &(wld.map); if (!action_id_exists(action_type)) { @@ -3392,7 +3394,7 @@ bool unit_perform_action(struct player *pplayer, paction = action_by_number(action_type); - if (NULL == actor_unit) { + if (actor_unit == nullptr) { /* Probably died or bribed. */ log_verbose("unit_perform_action() invalid actor %d", actor_id); @@ -3402,30 +3404,30 @@ bool unit_perform_action(struct player *pplayer, switch (action_get_target_kind(paction)) { case ATK_CITY: pcity = game_city_by_number(target_id); - if (pcity == NULL) { + if (pcity == nullptr) { log_verbose("unit_perform_action() invalid target city %d", target_id); return FALSE; } target_tile = city_tile(pcity); - fc_assert_ret_val(target_tile != NULL, FALSE); + fc_assert_ret_val(target_tile != nullptr, FALSE); break; case ATK_UNIT: punit = game_unit_by_number(target_id); - if (punit == NULL) { + if (punit == nullptr) { log_verbose("unit_perform_action() invalid target unit %d", target_id); return FALSE; } target_tile = unit_tile(punit); - fc_assert_ret_val(target_tile != NULL, FALSE); + fc_assert_ret_val(target_tile != nullptr, FALSE); pcity = tile_city(target_tile); break; case ATK_STACK: case ATK_TILE: case ATK_EXTRAS: target_tile = index_to_tile(nmap, target_id); - if (target_tile == NULL) { + if (target_tile == nullptr) { log_verbose("unit_perform_action() invalid target tile %d", target_id); return FALSE; @@ -3434,7 +3436,7 @@ bool unit_perform_action(struct player *pplayer, break; case ATK_SELF: target_tile = unit_tile(actor_unit); - fc_assert_ret_val(target_tile != NULL, FALSE); + fc_assert_ret_val(target_tile != nullptr, FALSE); pcity = tile_city(target_tile); break; case ATK_COUNT: @@ -3455,7 +3457,7 @@ bool unit_perform_action(struct player *pplayer, target_extra = extra_by_number(sub_tgt_id); fc_assert(!(target_extra->ruledit_disabled)); } else { - target_extra = NULL; + target_extra = nullptr; } sub_tgt_impr = improvement_by_number(sub_tgt_id); @@ -3466,7 +3468,7 @@ bool unit_perform_action(struct player *pplayer, /* No sub target. */ break; case ASTK_BUILDING: - if (sub_tgt_impr == NULL) { + if (sub_tgt_impr == nullptr) { /* Missing sub target */ return FALSE; } @@ -3476,7 +3478,7 @@ bool unit_perform_action(struct player *pplayer, break; case ASTK_EXTRA: case ASTK_EXTRA_NOT_THERE: - if (target_extra == NULL) { + if (target_extra == nullptr) { /* Missing sub target */ return FALSE; } @@ -3488,7 +3490,7 @@ bool unit_perform_action(struct player *pplayer, if (action_get_activity(paction) != ACTIVITY_LAST && unit_activity_needs_target_from_client( action_get_activity(paction)) - && target_extra == NULL) { + && target_extra == nullptr) { /* Missing required action extra target. */ log_verbose("unit_perform_action() action %d requires action " "but extra id %d is invalid.", @@ -3523,13 +3525,13 @@ bool unit_perform_action(struct player *pplayer, } \ script_server_signal_emit("action_finished_unit_city", \ action_by_number(action), success, \ - unit_is_alive(actor_id) ? actor : NULL, \ - city_exist(target_id) ? target : NULL); \ + unit_is_alive(actor_id) ? actor : nullptr, \ + city_exist(target_id) ? target : nullptr); \ return success; \ } else { \ illegal_action(pplayer, actor_unit, action_type, \ - pcity ? city_owner(pcity) : NULL, NULL, pcity, NULL, \ - TRUE, requester); \ + pcity ? city_owner(pcity) : nullptr, nullptr, pcity, \ + nullptr, TRUE, requester); \ } #define ACTION_PERFORM_UNIT_SELF(action, actor, action_performer) \ @@ -3548,11 +3550,11 @@ bool unit_perform_action(struct player *pplayer, } \ script_server_signal_emit("action_finished_unit_self", \ action_by_number(action), success, \ - unit_is_alive(actor_id) ? actor : NULL); \ + unit_is_alive(actor_id) ? actor : nullptr); \ return success; \ } else { \ illegal_action(pplayer, actor_unit, action_type, \ - unit_owner(actor_unit), NULL, NULL, actor_unit, \ + unit_owner(actor_unit), nullptr, nullptr, actor_unit, \ TRUE, requester); \ } @@ -3577,13 +3579,14 @@ bool unit_perform_action(struct player *pplayer, } \ script_server_signal_emit("action_finished_unit_unit", \ action_by_number(action), success, \ - unit_is_alive(actor_id) ? actor : NULL, \ - unit_is_alive(target_id) ? target : NULL); \ + unit_is_alive(actor_id) ? actor : nullptr, \ + unit_is_alive(target_id) ? target \ + : nullptr); \ return success; \ } else { \ illegal_action(pplayer, actor_unit, action_type, \ - punit ? unit_owner(punit) : NULL, NULL, NULL, punit, \ - TRUE, requester); \ + punit ? unit_owner(punit) : nullptr, nullptr, nullptr, \ + punit, TRUE, requester); \ } #define ACTION_PERFORM_UNIT_STACK(action, actor, target, action_performer)\ @@ -3605,16 +3608,16 @@ bool unit_perform_action(struct player *pplayer, } \ script_server_signal_emit("action_finished_unit_stack", \ action_by_number(action), success, \ - unit_is_alive(actor_id) ? actor : NULL, \ + unit_is_alive(actor_id) ? actor : nullptr, \ target); \ script_server_signal_emit("action_finished_unit_units", \ action_by_number(action), success, \ - unit_is_alive(actor_id) ? actor : NULL, \ + unit_is_alive(actor_id) ? actor : nullptr, \ target); \ return success; \ } else { \ illegal_action(pplayer, actor_unit, action_type, \ - NULL, target_tile, NULL, NULL, \ + nullptr, target_tile, nullptr, nullptr, \ TRUE, requester); \ } @@ -3636,13 +3639,13 @@ bool unit_perform_action(struct player *pplayer, } \ script_server_signal_emit("action_finished_unit_tile", \ action_by_number(action), success, \ - unit_is_alive(actor_id) ? actor : NULL, \ + unit_is_alive(actor_id) ? actor : nullptr, \ target); \ return success; \ } else { \ illegal_action(pplayer, actor_unit, action_type, \ - target_tile ? tile_owner(target_tile) : NULL, \ - target_tile, NULL, NULL, \ + target_tile ? tile_owner(target_tile) : nullptr, \ + target_tile, nullptr, nullptr, \ TRUE, requester); \ } @@ -3664,13 +3667,13 @@ bool unit_perform_action(struct player *pplayer, } \ script_server_signal_emit("action_finished_unit_extras", \ action_by_number(action), success, \ - unit_is_alive(actor_id) ? actor : NULL, \ + unit_is_alive(actor_id) ? actor : nullptr, \ target); \ return success; \ } else { \ illegal_action(pplayer, actor_unit, action_type, \ - target_tile ? target_tile->extras_owner : NULL, \ - target_tile, NULL, NULL, \ + target_tile ? target_tile->extras_owner : nullptr, \ + target_tile, nullptr, nullptr, \ TRUE, requester); \ } @@ -4002,7 +4005,7 @@ bool unit_perform_action(struct player *pplayer, case ACTRES_TELEPORT_CONQUER: ACTION_PERFORM_UNIT_TILE(action_type, actor_unit, target_tile, unit_move(actor_unit, target_tile, 0, - NULL, FALSE, + nullptr, FALSE, paction->result == ACTRES_TELEPORT_CONQUER, paction->result == ACTRES_TELEPORT_CONQUER, FALSE, FALSE)); @@ -4083,8 +4086,8 @@ void unit_change_homecity_handling(struct unit *punit, struct city *new_pcity, { struct city *old_pcity = game_city_by_number(punit->homecity); struct player *old_owner = unit_owner(punit); - struct player *new_owner = (new_pcity == NULL ? old_owner - : city_owner(new_pcity)); + struct player *new_owner = (new_pcity == nullptr ? old_owner + : city_owner(new_pcity)); const struct civ_map *nmap = &(wld.map); /* Calling this function when new_pcity is same as old_pcity should @@ -4105,7 +4108,7 @@ void unit_change_homecity_handling(struct unit *punit, struct city *new_pcity, vision_clear_sight(punit->server.vision); vision_free(punit->server.vision); - if (pcity != NULL + if (pcity != nullptr && !can_player_see_units_in_city(old_owner, pcity)) { /* Special case when city is being transferred. At this point city * itself has changed owner, so it's enemy city now that old owner @@ -4134,14 +4137,14 @@ void unit_change_homecity_handling(struct unit *punit, struct city *new_pcity, if (old_pcity) { /* Even if unit is dead, we have to unlink unit pointer (punit). */ unit_list_remove(old_pcity->units_supported, punit); - /* update unit upkeep */ + /* Update unit upkeep */ city_units_upkeep(old_pcity); } - if (new_pcity != NULL) { + if (new_pcity != nullptr) { unit_list_prepend(new_pcity->units_supported, punit); - /* update unit upkeep */ + /* Update unit upkeep */ city_units_upkeep(new_pcity); punit->homecity = new_pcity->id; @@ -4157,10 +4160,10 @@ void unit_change_homecity_handling(struct unit *punit, struct city *new_pcity, unit_activities_cancel(punit); } else { /* Send info to players and observers. */ - send_unit_info(NULL, punit); + send_unit_info(nullptr, punit); } - if (new_pcity != NULL) { + if (new_pcity != nullptr) { city_refresh(new_pcity); send_city_info(new_owner, new_pcity); fc_assert(unit_owner(punit) == city_owner(new_pcity)); @@ -4188,7 +4191,7 @@ static bool do_unit_change_homecity(struct unit *punit, struct city *pcity, const struct action *paction) { - const char *giver = NULL; + const char *giver = nullptr; if (unit_owner(punit) != city_owner(pcity)) { /* This is a gift. Tell the receiver. */ @@ -4274,7 +4277,7 @@ static bool city_add_unit(struct player *pplayer, struct unit *punit, sanity_check_city(pcity); - send_city_info(NULL, pcity); + send_city_info(nullptr, pcity); script_server_signal_emit("city_size_change", pcity, (lua_Integer)amount, "unit_added"); @@ -4352,7 +4355,7 @@ static void handle_unit_change_activity_real(struct player *pplayer, { struct unit *punit = player_unit_by_number(pplayer, unit_id); - if (NULL == punit) { + if (punit == nullptr) { /* Probably died or bribed. */ log_verbose("handle_unit_change_activity() invalid unit %d", unit_id); return; @@ -4366,10 +4369,10 @@ static void handle_unit_change_activity_real(struct player *pplayer, /* Remove city spot reservations for AI settlers on city founding * mission, before goto_tile reset. */ if (punit->server.adv->task != AUT_NONE) { - adv_unit_new_task(punit, AUT_NONE, NULL); + adv_unit_new_task(punit, AUT_NONE, nullptr); } - punit->goto_tile = NULL; + punit->goto_tile = nullptr; if (activity == ACTIVITY_GOTO) { /* Don't permit a client to set a unit's activity to ACTIVITY_GOTO. @@ -4402,18 +4405,18 @@ void handle_unit_change_activity(struct player *pplayer, int unit_id, struct extra_type *activity_target; if (target_id < 0 || target_id >= game.control.num_extra_types) { - activity_target = NULL; + activity_target = nullptr; } else { activity_target = extra_by_number(target_id); } #ifdef FREECIV_WEB /* Web-client is not capable of selecting target, so we do it server side */ - if (activity_target == NULL) { + if (activity_target == nullptr) { struct unit *punit = player_unit_by_number(pplayer, unit_id); bool required = TRUE; - if (punit == NULL) { + if (punit == nullptr) { return; } @@ -4432,7 +4435,7 @@ void handle_unit_change_activity(struct player *pplayer, int unit_id, struct base_type *pbase = get_base_by_gui_type(BASE_GUI_FORTRESS, punit, ptile); - if (pbase != NULL) { + if (pbase != nullptr) { activity_target = base_extra_get(pbase); } @@ -4443,7 +4446,7 @@ void handle_unit_change_activity(struct player *pplayer, int unit_id, required = FALSE; } - if (activity_target == NULL && required) { + if (activity_target == nullptr && required) { /* Nothing more we can do */ return; } @@ -4462,9 +4465,9 @@ static void see_combat(struct unit *pattacker, struct unit *pdefender) struct packet_unit_short_info unit_att_short_packet, unit_def_short_packet; struct packet_unit_info unit_att_packet, unit_def_packet; - /* + /* * Special case for attacking/defending: - * + * * Normally the player doesn't get the information about the units inside a * city. However for attacking/defending the player has to know the unit of * the other side. After the combat a remove_unit packet will be sent @@ -4483,10 +4486,10 @@ static void see_combat(struct unit *pattacker, struct unit *pdefender) conn_list_iterate(game.est_connections, pconn) { struct player *pplayer = pconn->playing; - if (pplayer != NULL) { + if (pplayer != nullptr) { /* NOTE: this means the player can see combat between submarines even - * if neither sub is visible. See similar comment in send_combat. */ + * if neither sub is visible. See similar comment in send_combat(). */ if (map_is_known_and_seen(unit_tile(pattacker), pplayer, V_MAIN) || map_is_known_and_seen(unit_tile(pdefender), pplayer, V_MAIN)) { @@ -4498,7 +4501,7 @@ static void see_combat(struct unit *pattacker, struct unit *pdefender) } else { send_packet_unit_short_info(pconn, &unit_att_short_packet, FALSE); } - + if (pplayer == unit_owner(pdefender)) { send_packet_unit_info(pconn, &unit_def_packet); } else { @@ -4516,7 +4519,7 @@ static void see_combat(struct unit *pattacker, struct unit *pdefender) /**********************************************************************//** Send combat info to players. **************************************************************************/ -static void send_combat(struct unit *pattacker, struct unit *pdefender, +static void send_combat(struct unit *pattacker, struct unit *pdefender, int att_veteran, int def_veteran, int bombard) { struct packet_unit_combat_info combat; @@ -4536,23 +4539,23 @@ static void send_combat(struct unit *pattacker, struct unit *pdefender, V_MAIN)) { lsend_packet_unit_combat_info(other_player->connections, &combat); - /* - * Remove the client knowledge of the units. This corresponds to the - * send_packet_unit_short_info calls up above. + /* + * Remove the client knowledge of the units. This corresponds to the + * send_packet_unit_short_info() calls up above. */ if (!can_player_see_unit(other_player, pattacker)) { - unit_goes_out_of_sight(other_player, pattacker); + unit_goes_out_of_sight(other_player, pattacker); } if (!can_player_see_unit(other_player, pdefender)) { - unit_goes_out_of_sight(other_player, pdefender); + unit_goes_out_of_sight(other_player, pdefender); } } } players_iterate_end; - /* Send combat info to non-player observers as well. They already know + /* Send combat info to non-player observers as well. They already know * about the unit so no unit_info is needed. */ conn_list_iterate(game.est_connections, pconn) { - if (NULL == pconn->playing && pconn->observer) { + if (pconn->playing == nullptr && pconn->observer) { send_packet_unit_combat_info(pconn, &combat); } } conn_list_iterate_end; @@ -4569,7 +4572,7 @@ static void unit_attack_civilian_casualties(const struct unit *punit, struct player *pplayer = unit_owner(punit); if (pcity - && get_target_bonus_effects(NULL, + && get_target_bonus_effects(nullptr, &(const struct req_context) { .player = city_owner(pcity), .city = pcity, @@ -4578,7 +4581,7 @@ static void unit_attack_civilian_casualties(const struct unit *punit, .unittype = unit_type_get(punit), .action = paction, }, - NULL, EFT_UNIT_NO_LOSE_POP) <= 0 + nullptr, EFT_UNIT_NO_LOSE_POP) <= 0 && (game.info.killcitizen && uclass_has_flag(unit_class_get(punit), UCF_KILLCITIZEN))) { struct player *cplayer = city_owner(pcity); @@ -4587,7 +4590,7 @@ static void unit_attack_civilian_casualties(const struct unit *punit, if (city_reduce_size(pcity, 1, pplayer, reason)) { city_refresh(pcity); - send_city_info(NULL, pcity); + send_city_info(nullptr, pcity); } else { notify_player(pplayer, ctile, E_UNIT_ACTION_ACTOR_SUCCESS, ftc_server, /* TRANS: Battleship ... Los Angeles ... Bombard */ @@ -4701,7 +4704,7 @@ static bool unit_bombard(struct unit *punit, struct tile *ptile, if (def_hp <= 0) { wipe_unit(pdefender, ULR_KILLED, unit_owner(pdefender)); } else { - send_unit_info(NULL, pdefender); + send_unit_info(nullptr, pdefender); } } @@ -4709,10 +4712,10 @@ static bool unit_bombard(struct unit *punit, struct tile *ptile, unit_did_action(punit); unit_forget_last_activity(punit); - + unit_attack_civilian_casualties(punit, pcity, paction, "bombard"); - send_unit_info(NULL, punit); + send_unit_info(nullptr, punit); return TRUE; } @@ -4772,7 +4775,7 @@ static bool unit_nuke(struct player *pplayer, struct unit *punit, /* The nuke must be wiped here so it won't be seen as a victim of its own * detonation. */ if (paction->actor_consuming_always) { - wipe_unit(punit, ULR_DETONATED, NULL); + wipe_unit(punit, ULR_DETONATED, nullptr); } do_nuclear_explosion(paction, act_utype, pplayer, def_tile); @@ -4979,7 +4982,7 @@ static bool do_attack(struct unit *punit, struct tile *def_tile, char attacker_fp[MAX_LEN_LINK], defender_fp[MAX_LEN_LINK]; char attacker_tired[MAX_LEN_LINK]; struct unit *ploser, *pwinner; - int moves_used, def_moves_used; + int moves_used, def_moves_used; int old_unit_vet, old_defender_vet, vet; int winner_id; struct player *pplayer = unit_owner(punit); @@ -5007,7 +5010,7 @@ static bool do_attack(struct unit *punit, struct tile *def_tile, log_debug("Start attack: %s %s against %s %s.", nation_rule_name(nation_of_player(pplayer)), - unit_rule_name(punit), + unit_rule_name(punit), nation_rule_name(nation_of_unit(pdefender)), unit_rule_name(pdefender)); @@ -5071,9 +5074,9 @@ static bool do_attack(struct unit *punit, struct tile *def_tile, /* Adjust attackers moves_left _after_ unit_versus_unit() so that * the movement attack modifier is correct! --dwp * - * For greater Civ2 compatibility (and game balance issues), we recompute - * the new total MP based on the HP the unit has left after being damaged, - * and subtract the MPs that had been used before the combat (plus the + * For greater Civ2 compatibility (and game balance issues), we recompute + * the new total MP based on the HP the unit has left after being damaged, + * and subtract the MPs that had been used before the combat (plus the * points used in the attack itself, for the attacker). -GJW, Glip */ punit->moves_left = unit_move_rate(punit) - moves_used; @@ -5104,7 +5107,7 @@ static bool do_attack(struct unit *punit, struct tile *def_tile, ploser = (pdefender->hp > 0) ? punit : pdefender; vet = (pwinner->veteran == ((punit->hp > 0) ? old_unit_vet : - old_defender_vet)) ? 0 : 1; + old_defender_vet)) ? 0 : 1; send_combat(punit, pdefender, punit->veteran - old_unit_vet, pdefender->veteran - old_defender_vet, 0); @@ -5330,7 +5333,7 @@ static bool do_attack(struct unit *punit, struct tile *def_tile, def_hp_start); } - punit->moved = TRUE; /* We moved */ + punit->moved = TRUE; /* We moved */ if (paction->result == ACTRES_COLLECT_RANSOM) { collect_ransom(pwinner, ploser, @@ -5344,7 +5347,7 @@ static bool do_attack(struct unit *punit, struct tile *def_tile, * supported by the city, we may even remove the city * (if it shrinks from size 1) */ pcity = tile_city(def_tile); - if (pcity != NULL) { + if (pcity != nullptr) { unit_attack_civilian_casualties(punit, pcity, paction, "attack"); } if (unit_is_alive(winner_id)) { @@ -5366,8 +5369,8 @@ static bool do_attack(struct unit *punit, struct tile *def_tile, } /* The attacker may have died for many reasons */ - if (game_unit_by_number(winner_id) != NULL) { - send_unit_info(NULL, pwinner); + if (game_unit_by_number(winner_id) != nullptr) { + send_unit_info(nullptr, pwinner); } return TRUE; @@ -5555,7 +5558,7 @@ static bool do_unit_strike_city_building(struct player *act_player, building_lost(tgt_city, tgt_bld, "attacked", act_unit); /* Update the player's view of the city. */ - send_city_info(NULL, tgt_city); + send_city_info(nullptr, tgt_city); /* Let the players know. */ clink = city_link(tgt_city); /* Be careful not to call city_link() @@ -5604,7 +5607,7 @@ static bool do_unit_conquer_city(struct player *act_player, /* Sanity check */ fc_assert_ret_val(tgt_tile, FALSE); - unit_move(act_unit, tgt_tile, move_cost, NULL, FALSE, TRUE, TRUE, + unit_move(act_unit, tgt_tile, move_cost, nullptr, FALSE, TRUE, TRUE, BV_ISSET(paction->sub_results, ACT_SUB_RES_HUT_ENTER), BV_ISSET(paction->sub_results, ACT_SUB_RES_HUT_FRIGHTEN)); @@ -5628,8 +5631,8 @@ static bool do_unit_conquer_city(struct player *act_player, See also aiunit could_unit_move_to_tile() **************************************************************************/ static bool can_unit_move_to_tile_with_notify(struct unit *punit, - struct tile *dest_tile, - bool igzoc, + struct tile *dest_tile, + bool igzoc, struct unit *embark_to, bool enter_enemy_city) { @@ -5707,7 +5710,7 @@ static bool unit_do_regular_move(struct player *actor_player, int move_cost = map_move_cost_unit(&(wld.map), actor_unit, target_tile); unit_move(actor_unit, target_tile, move_cost, - NULL, BV_ISSET(paction->sub_results, ACT_SUB_RES_MAY_EMBARK), + nullptr, BV_ISSET(paction->sub_results, ACT_SUB_RES_MAY_EMBARK), /* Don't override "Conquer City" */ FALSE, /* Don't override "Conquer Extras" */ @@ -5785,7 +5788,7 @@ bool unit_move_handling(struct unit *punit, struct tile *pdesttile, /* A legal action with an extra sub target is a legal action */ || action_tgt_tile_extra(punit, pdesttile, can_not_move) /* Tile target actions with extra sub targets are handled above */ - || action_tgt_tile(punit, pdesttile, NULL, can_not_move); + || action_tgt_tile(punit, pdesttile, nullptr, can_not_move); if (one_action_may_be_legal || can_not_move) { /* There is a target punit, from the player's point of view, may be @@ -5816,17 +5819,17 @@ bool unit_move_handling(struct unit *punit, struct tile *pdesttile, /*** Phase 2: OK now move the unit ***/ /* This is a regular move, subject to the rules. */ if (is_action_enabled_unit_on_tile(nmap, ACTION_UNIT_MOVE, - punit, pdesttile, NULL)) { + punit, pdesttile, nullptr)) { return unit_perform_action(pplayer, punit->id, tile_index(pdesttile), NO_TARGET, "", ACTION_UNIT_MOVE, ACT_REQ_PLAYER); } else if (is_action_enabled_unit_on_tile(nmap, ACTION_UNIT_MOVE2, - punit, pdesttile, NULL)) { + punit, pdesttile, nullptr)) { return unit_perform_action(pplayer, punit->id, tile_index(pdesttile), NO_TARGET, "", ACTION_UNIT_MOVE2, ACT_REQ_PLAYER); } else if (is_action_enabled_unit_on_tile(nmap, ACTION_UNIT_MOVE3, - punit, pdesttile, NULL)) { + punit, pdesttile, nullptr)) { return unit_perform_action(pplayer, punit->id, tile_index(pdesttile), NO_TARGET, "", ACTION_UNIT_MOVE3, ACT_REQ_PLAYER); @@ -5863,49 +5866,49 @@ bool unit_move_handling(struct unit *punit, struct tile *pdesttile, NO_TARGET, "", ACTION_TRANSPORT_EMBARK4, ACT_REQ_PLAYER); } else if (is_action_enabled_unit_on_tile(nmap, ACTION_TRANSPORT_DISEMBARK1, - punit, pdesttile, NULL)) { + punit, pdesttile, nullptr)) { /* "Transport Disembark". */ return unit_perform_action(pplayer, punit->id, tile_index(pdesttile), NO_TARGET, "", ACTION_TRANSPORT_DISEMBARK1, ACT_REQ_PLAYER); } else if (is_action_enabled_unit_on_tile(nmap, ACTION_TRANSPORT_DISEMBARK2, - punit, pdesttile, NULL)) { + punit, pdesttile, nullptr)) { /* "Transport Disembark 2". */ return unit_perform_action(pplayer, punit->id, tile_index(pdesttile), NO_TARGET, "", ACTION_TRANSPORT_DISEMBARK2, ACT_REQ_PLAYER); } else if (is_action_enabled_unit_on_tile(nmap, ACTION_TRANSPORT_DISEMBARK3, - punit, pdesttile, NULL)) { + punit, pdesttile, nullptr)) { /* "Transport Disembark 3". */ return unit_perform_action(pplayer, punit->id, tile_index(pdesttile), NO_TARGET, "", ACTION_TRANSPORT_DISEMBARK3, ACT_REQ_PLAYER); } else if (is_action_enabled_unit_on_tile(nmap, ACTION_TRANSPORT_DISEMBARK4, - punit, pdesttile, NULL)) { + punit, pdesttile, nullptr)) { /* "Transport Disembark 4". */ return unit_perform_action(pplayer, punit->id, tile_index(pdesttile), NO_TARGET, "", ACTION_TRANSPORT_DISEMBARK4, ACT_REQ_PLAYER); } else if (is_action_enabled_unit_on_tile(nmap, ACTION_HUT_ENTER, - punit, pdesttile, NULL)) { + punit, pdesttile, nullptr)) { /* "Enter Hut". */ return unit_perform_action(pplayer, punit->id, tile_index(pdesttile), NO_TARGET, "", ACTION_HUT_ENTER, ACT_REQ_PLAYER); } else if (is_action_enabled_unit_on_tile(nmap, ACTION_HUT_ENTER2, - punit, pdesttile, NULL)) { + punit, pdesttile, nullptr)) { /* "Enter Hut 2". */ return unit_perform_action(pplayer, punit->id, tile_index(pdesttile), NO_TARGET, "", ACTION_HUT_ENTER2, ACT_REQ_PLAYER); } else if (is_action_enabled_unit_on_tile(nmap, ACTION_HUT_FRIGHTEN, - punit, pdesttile, NULL)) { + punit, pdesttile, nullptr)) { /* "Frighten Hut". */ return unit_perform_action(pplayer, punit->id, tile_index(pdesttile), NO_TARGET, "", ACTION_HUT_FRIGHTEN, ACT_REQ_PLAYER); } else if (is_action_enabled_unit_on_tile(nmap, ACTION_HUT_FRIGHTEN2, - punit, pdesttile, NULL)) { + punit, pdesttile, nullptr)) { /* "Frighten Hut 2". */ return unit_perform_action(pplayer, punit->id, tile_index(pdesttile), NO_TARGET, "", ACTION_HUT_FRIGHTEN2, @@ -5914,7 +5917,7 @@ bool unit_move_handling(struct unit *punit, struct tile *pdesttile, /* TODO: Extend the action not enabled explanation system to cover all * existing reasons and switch to using it. See hrm Feature #920229 */ can_unit_move_to_tile_with_notify(punit, pdesttile, FALSE, - NULL, FALSE); + nullptr, FALSE); return FALSE; } } @@ -6005,7 +6008,7 @@ static bool unit_do_help_build(struct player *pplayer, unit_link(punit), action_name_translation(paction), prod, - city_link(pcity_dest), + city_link(pcity_dest), abs(build_points_left(pcity_dest)), work); @@ -6038,7 +6041,7 @@ static bool unit_do_help_build(struct player *pplayer, } /**********************************************************************//** - Handle request to establish trade route. If pcity_dest is NULL, assumes + Handle request to establish trade route. If pcity_dest is nullptr, assumes that unit is inside target city. Returns TRUE iff action could be done, FALSE if it couldn't. Even if @@ -6084,7 +6087,7 @@ static bool do_unit_establish_trade(struct player *pplayer, goods = unit_current_goods(punit, pcity_homecity); - if (goods == NULL) { + if (goods == nullptr) { notify_player(pplayer, unit_tile(punit), E_BAD_COMMAND, ftc_server, _("Sorry, your %s cannot establish" " a trade route because it's not carrying any goods."), @@ -6149,7 +6152,7 @@ static bool do_unit_establish_trade(struct player *pplayer, homecity_link, home_max); } - can_establish = FALSE; + can_establish = FALSE; } } @@ -6174,7 +6177,7 @@ static bool do_unit_establish_trade(struct player *pplayer, destcity_link, dest_max); } - can_establish = FALSE; + can_establish = FALSE; } } } @@ -6264,7 +6267,7 @@ static bool do_unit_establish_trade(struct player *pplayer, update_bulbs(pplayer, revenue, TRUE, TRUE); /* Inform everyone about tech changes */ - send_research_info(research_get(pplayer), NULL); + send_research_info(research_get(pplayer), nullptr); } if (can_establish) { @@ -6279,7 +6282,7 @@ static bool do_unit_establish_trade(struct player *pplayer, partner_player = city_owner(pcity_dest); /* Always tell the unit owner */ - notify_player(pplayer, NULL, + notify_player(pplayer, nullptr, E_CARAVAN_ACTION, ftc_server, _("New trade route established from %s to %s."), homecity_link, @@ -6435,7 +6438,7 @@ void handle_unit_sscs_set(struct player *pplayer, struct unit *punit = player_unit_by_number(pplayer, unit_id); const struct civ_map *nmap = &(wld.map); - if (NULL == punit) { + if (punit == nullptr) { /* Being asked to unqueue a "spent" unit because the client haven't * been told that it's gone is expected. */ if (type != USSDT_UNQUEUE) { @@ -6452,7 +6455,7 @@ void handle_unit_sscs_set(struct player *pplayer, * perform against the target tile. Action decision state can be set by * the server it self too. */ - if (index_to_tile(nmap, value) == NULL) { + if (index_to_tile(nmap, value) == nullptr) { /* Asked to be reminded to ask what actions the unit can do to a non * existing target tile. */ log_verbose("unit_sscs_set() invalid target tile %d for unit %d", @@ -6474,7 +6477,7 @@ void handle_unit_sscs_set(struct player *pplayer, * Action decision state can be set by the server it self too. */ punit->action_decision_want = ACT_DEC_NOTHING; - punit->action_decision_tile = NULL; + punit->action_decision_tile = nullptr; /* Let the client know that this unit no longer needs the player to * decide what to do. */ @@ -6523,13 +6526,13 @@ static void unit_plans_clear(struct unit *punit) { /* Remove city spot reservations for AI settlers on city founding * mission. */ - adv_unit_new_task(punit, AUT_NONE, NULL); + adv_unit_new_task(punit, AUT_NONE, nullptr); /* Get rid of old orders. */ free_unit_orders(punit); /* Make sure that no old goto_tile remains. */ - punit->goto_tile = NULL; + punit->goto_tile = nullptr; } /**********************************************************************//** @@ -6541,7 +6544,7 @@ void handle_unit_server_side_agent_set(struct player *pplayer, { struct unit *punit = player_unit_by_number(pplayer, unit_id); - if (NULL == punit) { + if (punit == nullptr) { /* Probably died or bribed. */ log_verbose("handle_unit_server_side_agent_set() invalid unit %d", unit_id); @@ -6613,7 +6616,7 @@ bool unit_server_side_agent_set(struct player *pplayer, if (punit->ssa_controller != agent) { punit->ssa_controller = agent; - send_unit_info(NULL, punit); + send_unit_info(nullptr, punit); } return TRUE; @@ -6624,21 +6627,21 @@ bool unit_server_side_agent_set(struct player *pplayer, old activity to new one. **************************************************************************/ static void unit_activity_dependencies(struct unit *punit, - enum unit_activity old_activity, + enum unit_activity old_activity, struct extra_type *old_target) { switch (punit->activity) { case ACTIVITY_IDLE: switch (old_activity) { - case ACTIVITY_PILLAGE: + case ACTIVITY_PILLAGE: { - if (old_target != NULL) { + if (old_target != nullptr) { unit_list_iterate_safe(unit_tile(punit)->units, punit2) { if (punit2->activity == ACTIVITY_PILLAGE) { extra_deps_iterate(&(punit2->activity_target->reqs), pdep) { if (pdep == old_target) { set_unit_activity(punit2, ACTIVITY_IDLE, ACTION_NONE); - send_unit_info(NULL, punit2); + send_unit_info(nullptr, punit2); break; } } extra_deps_iterate_end; @@ -6651,14 +6654,14 @@ static void unit_activity_dependencies(struct unit *punit, /* Restore unit's control status */ punit->ssa_controller = SSA_NONE; break; - default: + default: ; /* Do nothing */ } break; case ACTIVITY_EXPLORE: punit->ssa_controller = SSA_AUTOEXPLORE; set_unit_activity(punit, ACTIVITY_EXPLORE, ACTION_NONE); - send_unit_info(NULL, punit); + send_unit_info(nullptr, punit); break; default: /* Do nothing */ @@ -6697,7 +6700,7 @@ bool unit_activity_handling(struct unit *punit, && new_activity != ACTIVITY_GEN_ROAD, FALSE); if (new_activity == ACTIVITY_PILLAGE) { - struct extra_type *target = NULL; + struct extra_type *target = nullptr; /* Assume untargeted pillaging if no target specified */ unit_activity_handling_targeted(punit, new_activity, &target, @@ -6731,7 +6734,7 @@ static bool unit_activity_internal(struct unit *punit, struct extra_type *old_target = punit->activity_target; set_unit_activity(punit, new_activity, trigger_action); - send_unit_info(NULL, punit); + send_unit_info(nullptr, punit); unit_activity_dependencies(punit, old_activity, old_target); return TRUE; @@ -6778,10 +6781,10 @@ bool unit_activity_handling_targeted(struct unit *punit, free_unit_orders(punit); - if (list != NULL && action_list_size(list) > 0) { + if (list != nullptr && action_list_size(list) > 0) { /* Trigger action system */ unit_do_action(unit_owner(punit), punit->id, punit->tile->index, - (*new_target) != NULL ? (*new_target)->id : NO_TARGET, + (*new_target) != nullptr ? (*new_target)->id : NO_TARGET, "", action_number(action_list_get(list, 0))); } else { unit_activity_targeted_internal(punit, new_activity, new_target, @@ -6859,7 +6862,7 @@ void handle_unit_orders(struct player *pplayer, int i; #endif - if (NULL == punit) { + if (punit == nullptr) { /* Probably died or bribed. */ log_verbose("handle_unit_orders() invalid unit %d", packet->unit_id); return; @@ -6903,7 +6906,7 @@ void handle_unit_orders(struct player *pplayer, * settlers on city founding mission, city spot reservation * from goto_tile must be freed, and free_unit_orders() loses * goto_tile information */ - adv_unit_new_task(punit, AUT_NONE, NULL); + adv_unit_new_task(punit, AUT_NONE, nullptr); free_unit_orders(punit); /* If we waited on a tile, reset punit->done_moving */ @@ -6911,7 +6914,7 @@ void handle_unit_orders(struct player *pplayer, if (length == 0) { fc_assert(!unit_has_orders(punit)); - send_unit_info(NULL, punit); + send_unit_info(nullptr, punit); return; } @@ -6928,7 +6931,7 @@ void handle_unit_orders(struct player *pplayer, punit->goto_tile = index_to_tile(nmap, packet->dest_tile); } else { /* Make sure that no old goto_tile remains. */ - punit->goto_tile = NULL; + punit->goto_tile = nullptr; } #ifdef FREECIV_DEBUG @@ -6949,7 +6952,7 @@ void handle_unit_orders(struct player *pplayer, if (!is_player_phase(unit_owner(punit), game.info.phase) || execute_orders(punit, TRUE)) { /* Looks like the unit survived. */ - send_unit_info(NULL, punit); + send_unit_info(nullptr, punit); } } @@ -6960,10 +6963,10 @@ void handle_worker_task(struct player *pplayer, const struct packet_worker_task *packet) { struct city *pcity = game_city_by_number(packet->city_id); - struct worker_task *ptask = NULL; + struct worker_task *ptask = nullptr; struct tile *ptile = index_to_tile(&(wld.map), packet->tile_id); - if (pcity == NULL || pcity->owner != pplayer || ptile == NULL) { + if (pcity == nullptr || pcity->owner != pplayer || ptile == nullptr) { return; } @@ -6973,7 +6976,7 @@ void handle_worker_task(struct player *pplayer, } } worker_task_list_iterate_end; - if (ptask == NULL) { + if (ptask == nullptr) { if (packet->activity == ACTIVITY_LAST) { return; } @@ -6985,11 +6988,11 @@ void handle_worker_task(struct player *pplayer, if (packet->activity == ACTIVITY_LAST) { worker_task_list_remove(pcity->task_reqs, ptask); free(ptask); - ptask = NULL; + ptask = nullptr; } } - if (ptask != NULL) { + if (ptask != nullptr) { ptask->ptile = ptile; ptask->act = packet->activity; if (packet->tgt >= 0) { @@ -6997,10 +7000,10 @@ void handle_worker_task(struct player *pplayer, ptask->tgt = extra_by_number(packet->tgt); } else { log_debug("Illegal worker task target %d", packet->tgt); - ptask->tgt = NULL; + ptask->tgt = nullptr; } } else { - ptask->tgt = NULL; + ptask->tgt = nullptr; } ptask->want = packet->want; } @@ -7009,7 +7012,8 @@ void handle_worker_task(struct player *pplayer, log_debug("Bad worker task"); worker_task_list_remove(pcity->task_reqs, ptask); free(ptask); - ptask = NULL; + ptask = nullptr; + return; } -- 2.47.2