#include <cmath>
#include <cstring>
#include "fcintl.h"
#include "iterator.h"
#include "log.h"
#include "shared.h"
#include "support.h"
#include "game.h"
#include "tech.h"

Include dependency graph for tech.cpp:

Classes
struct	advance_req_iter

struct	advance_root_req_iter

Macros
#define	ADVANCE_REQ_ITER(it) ((struct advance_req_iter *) it)

#define	ADVANCE_ROOT_REQ_ITER(it) ((struct advance_root_req_iter *) it)

Functions
const struct advance *	advance_array_last ()
	Return the last item of advances/technologies. More...

Tech_type_id	advance_count ()
	Return the number of advances/technologies. More...

Tech_type_id	advance_index (const struct advance *padvance)
	Return the advance index. More...

Tech_type_id	advance_number (const struct advance *padvance)
	Return the advance index. More...

struct advance *	advance_by_number (const Tech_type_id atype)
	Return the advance for the given advance index. More...

Tech_type_id	advance_required (const Tech_type_id tech, enum tech_req require)
	Accessor for requirements. More...

struct advance *	advance_requires (const struct advance *padvance, enum tech_req require)
	Accessor for requirements. More...

struct advance *	valid_advance (struct advance *padvance)
	Returns pointer when the advance "exists" in this game, returns nullptr otherwise. More...

struct advance *	valid_advance_by_number (const Tech_type_id id)
	Returns pointer when the advance "exists" in this game, returns nullptr otherwise. More...

struct advance *	advance_by_translated_name (const char *name)
	Does a linear search of advances[].name.translated Returns nullptr when none match. More...

struct advance *	advance_by_rule_name (const char *name)
	Does a linear search of advances[].name.vernacular Returns nullptr when none match. More...

bool	advance_has_flag (Tech_type_id tech, enum tech_flag_id flag)
	Return TRUE if the tech has this flag otherwise FALSE. More...

void	techs_precalc_data ()
	Function to precalculate needed data for technologies. More...

bool	is_future_tech (Tech_type_id tech)
	Is the given tech a future tech. More...

const char *	advance_name_translation (const struct advance *padvance)
	Return the (translated) name of the given advance/technology. More...

const char *	advance_rule_name (const struct advance *padvance)
	Return the (untranslated) rule name of the advance/technology. More...

void	tech_classes_init ()
	Initialize tech classes. More...

struct tech_class *	tech_class_by_number (const int idx)
	Return the tech_class for the given index. More...

const char *	tech_class_name_translation (const struct tech_class *ptclass)
	Return the (translated) name of the given tech_class You must not free the return pointer. More...

const char *	tech_class_rule_name (const struct tech_class *ptclass)
	Return the (untranslated) rule name of tech_class You must not free the return pointer. More...

struct tech_class *	tech_class_by_rule_name (const char *name)
	Does a linear search of tech_classes[].name.vernacular Returns nullptr when none match. More...

void	user_tech_flags_init ()
	Initialize user tech flags. More...

void	user_tech_flags_free ()
	Frees the memory associated with all user tech flags. More...

void	set_user_tech_flag_name (enum tech_flag_id id, const char name, const char helptxt)
	Sets user defined name for tech flag. More...

const char *	tech_flag_id_name_cb (enum tech_flag_id flag)
	Tech flag name callback, called from specenum code. More...

const char *	tech_flag_helptxt (enum tech_flag_id id)
	Return the (untranslated) helptxt of the user tech flag. More...

bool	techs_have_fixed_costs ()
	Returns true if the costs for the given technology will stay constant during the game. More...

void	techs_init ()
	Initialize tech structures. More...

static void	tech_free (Tech_type_id tech)
	De-allocate resources associated with the given tech. More...

void	techs_free ()
	De-allocate resources of all techs. More...

size_t	advance_req_iter_sizeof ()
	Return the size of the advance requirements iterator. More...

static void *	advance_req_iter_get (const struct iterator *it)
	Return the current advance. More...

static void	advance_req_iter_next (struct iterator *it)
	Jump to next advance requirement. More...

static bool	advance_req_iter_valid (const struct iterator *it)
	Return whether we finished to iterate or not. More...

struct iterator *	advance_req_iter_init (struct advance_req_iter it, const struct advance goal)
	Initialize an advance requirements iterator. More...

size_t	advance_root_req_iter_sizeof ()
	Return the size of the advance root requirements iterator. More...

static void *	advance_root_req_iter_get (const struct iterator *it)
	Return the current root_req. More...

static bool	advance_root_req_iter_valid (const struct iterator *it)
	Return whether we finished to iterate or not. More...

static void	advance_root_req_iter_next (struct iterator *it)
	Jump to next advance which has a previously unseen root_req. More...

struct iterator *	advance_root_req_iter_init (struct advance_root_req_iter it, const struct advance goal)
	Initialize a root requirements iterator. More...

Variables
struct advance	advances [A_ARRAY_SIZE]

struct tech_class	tech_classes [MAX_NUM_TECH_CLASSES]

static struct user_flag	user_tech_flags [MAX_NUM_USER_TECH_FLAGS]

Macro Definition Documentation

◆ ADVANCE_REQ_ITER

#define ADVANCE_REQ_ITER ( it ) ((struct advance_req_iter *) it)

Definition at line 34 of file tech.cpp.

◆ ADVANCE_ROOT_REQ_ITER

#define ADVANCE_ROOT_REQ_ITER ( it ) ((struct advance_root_req_iter *) it)

Definition at line 42 of file tech.cpp.

Function Documentation

◆ advance_array_last()

const struct advance* advance_array_last ( )

Return the last item of advances/technologies.

Definition at line 57 of file tech.cpp.

◆ advance_by_number()

struct advance* advance_by_number ( const Tech_type_id atype )

Return the advance for the given advance index.

Definition at line 94 of file tech.cpp.

Referenced by tab_tech::add_now(), advance_has_flag(), help_widget::anchor_clicked(), api_edit_give_technology(), api_find_tech_type(), boot_help_texts(), client_diplomacy_clause_string(), dai_choose_paratrooper(), dai_goldequiv_clause(), dai_manage_government(), dai_manage_tech(), dai_select_tech(), do_tech_parasite_effect(), found_new_tech(), get_tooltip_unit(), handle_diplomacy_accept_treaty_req(), handle_ruleset_tech(), handle_ruleset_unit(), helptext_advance(), helptext_extra(), helptext_nation(), init_tech(), tab_tech::initialize_new_tech(), load_ruleset_techs(), research_diagram::mouseMoveEvent(), research_advance_name(), research_get_reachable(), research_get_root_reqs_known(), research_invention_set(), research_tech_lost(), sanity_check_ruleset_data(), save_tech_list(), save_techs_ruleset(), help_widget::set_topic_unit(), steal_a_tech(), tech_log_prefix(), tech_researched(), technology_save(), top_bar_right_click_science(), universal_value_initial(), unpack_tech_req(), science_report::update_report(), and valid_advance_by_number().

◆ advance_by_rule_name()

struct advance* advance_by_rule_name ( const char * name )

Does a linear search of advances[].name.vernacular Returns nullptr when none match.

Definition at line 180 of file tech.cpp.

Referenced by api_find_tech_type_by_name(), tab_tech::initialize_new_tech(), load_ruleset_terrain(), lookup_tech(), lookup_tech_list(), tab_tech::req1_menu(), tab_tech::req2_menu(), edit_utype::req_menu(), tab_tech::root_req_menu(), tab_tech::select_tech(), sg_load_game(), sg_load_researches(), technology_load(), and universal_by_number().

◆ advance_by_translated_name()

struct advance* advance_by_translated_name ( const char * name )

Does a linear search of advances[].name.translated Returns nullptr when none match.

Definition at line 163 of file tech.cpp.

Referenced by help_dialog::make_tree(), and help_widget::set_topic_tech().

◆ advance_count()

Tech_type_id advance_count ( )

Return the number of advances/technologies.

Definition at line 68 of file tech.cpp.

Referenced by create_dummy_reqtree(), get_req_source_effects(), get_tech_sprite(), handle_research_info(), package_research_info(), pick_random_tech_to_lose(), research_invention_set(), send_ruleset_techs(), send_ruleset_units(), and suggest_tech_exchange().

◆ advance_has_flag()

bool advance_has_flag	(	Tech_type_id	tech,
		enum tech_flag_id	flag
	)

Return TRUE if the tech has this flag otherwise FALSE.

Definition at line 198 of file tech.cpp.

Referenced by found_new_tech(), helptext_advance(), research_invention_set(), and save_techs_ruleset().

◆ advance_index()

Tech_type_id advance_index ( const struct advance * padvance )

Return the advance index.

Currently same as advance_number(), paired with advance_count() indicates use as an array index.

Definition at line 76 of file tech.cpp.

Referenced by can_player_build_unit_direct(), dai_choose_diplomat_defensive(), dai_choose_paratrooper(), dai_process_defender_want(), dai_tech_effect_values(), dai_wants_defender_against(), dai_wants_role_unit(), find_best_city_placement(), process_attacker_want(), tab_tech::refresh(), save_techs_ruleset(), sg_save_savefile(), tech_log_prefix(), tileset_setup_tech_type(), and want_tech_for_improvement_effect().

◆ advance_name_translation()

const char* advance_name_translation ( const struct advance * padvance )

Return the (translated) name of the given advance/technology.

You don't have to free the return pointer.

Definition at line 274 of file tech.cpp.

Referenced by advance_by_translated_name(), help_widget::anchor_clicked(), api_methods_tech_type_name_translation(), boot_help_texts(), client_diplomacy_clause_string(), go_act_menu::create(), get_tooltip_improvement(), get_tooltip_unit(), handle_diplomacy_accept_treaty_req(), helptext_advance(), helptext_building(), helptext_extra(), helptext_nation(), manual_command(), research_diagram::mouseMoveEvent(), req_text_insert(), help_widget::set_topic_building(), help_widget::set_topic_unit(), diplo_wdg::show_menu(), top_bar_right_click_science(), universal_name_translation(), science_report::update_report(), worklist_change_build_target(), and worklist_item_postpone_req_vec().

◆ advance_number()

Tech_type_id advance_number ( const struct advance * padvance )

Return the advance index.

Definition at line 85 of file tech.cpp.

Referenced by adjust_improvement_wants_by_effects(), adv_best_government(), advance_req_iter_next(), advance_required(), advance_root_req_iter_next(), diplo_wdg::all_advances(), api_edit_give_technology(), api_methods_player_knows_tech(), can_player_build_unit_direct(), choose_tech_to_steal(), go_act_menu::create(), dai_gov_value(), dai_process_defender_want(), dai_tech_base_want(), dai_tech_effect_values(), dai_wants_defender_against(), dai_wants_role_unit(), draw_reqtree(), handle_ruleset_tech(), helptext_advance(), is_req_active(), is_tech_needed(), load_ruleset_terrain(), lookup_tech_list(), help_dialog::make_tree(), nation_has_initial_tech(), plr_widget::nation_selected(), node_rectangle_minimum_size(), player_tech_upkeep(), process_attacker_want(), tab_tech::req1_jump(), tab_tech::req2_jump(), research_get_reachable(), research_get_root_reqs_known(), research_goal_step(), research_invention_set(), tab_tech::root_req_jump(), send_ruleset_techs(), send_ruleset_units(), help_widget::set_topic_tech(), sg_load_game(), sg_load_researches(), diplo_wdg::show_menu(), tech_log_prefix(), technology_load(), universal_number(), and worklist_change_build_target().

◆ advance_req_iter_get()

static void* advance_req_iter_get ( const struct iterator * it )

static

Return the current advance.

Definition at line 501 of file tech.cpp.

Referenced by advance_req_iter_init().

◆ advance_req_iter_init()

struct iterator* advance_req_iter_init	(	struct advance_req_iter *	it,
		const struct advance *	goal
	)

Initialize an advance requirements iterator.

Definition at line 547 of file tech.cpp.

◆ advance_req_iter_next()

static void advance_req_iter_next ( struct iterator * it )

static

Jump to next advance requirement.

Definition at line 509 of file tech.cpp.

Referenced by advance_req_iter_init().

◆ advance_req_iter_sizeof()

size_t advance_req_iter_sizeof ( )

Return the size of the advance requirements iterator.

Definition at line 496 of file tech.cpp.

◆ advance_req_iter_valid()

static bool advance_req_iter_valid ( const struct iterator * it )

static

Return whether we finished to iterate or not.

Definition at line 537 of file tech.cpp.

Referenced by advance_req_iter_init().

◆ advance_required()

Tech_type_id advance_required	(	const Tech_type_id	tech,
		enum tech_req	require
	)

Accessor for requirements.

Definition at line 108 of file tech.cpp.

Referenced by advance_root_req_iter_next(), create_dummy_reqtree(), pick_random_tech_to_lose(), research_get_reachable_rreqs(), research_invention_set(), and tech_transfer().

◆ advance_requires()

struct advance* advance_requires	(	const struct advance *	padvance,
		enum tech_req	require
	)

Accessor for requirements.

Definition at line 122 of file tech.cpp.

Referenced by advance_req_iter_next(), advance_root_req_iter_get(), advance_root_req_iter_next(), helptext_advance(), research_get_reachable(), and sanity_check_ruleset_data().

◆ advance_root_req_iter_get()

static void* advance_root_req_iter_get ( const struct iterator * it )

static

Return the current root_req.

Definition at line 575 of file tech.cpp.

◆ advance_root_req_iter_init()

struct iterator* advance_root_req_iter_init	(	struct advance_root_req_iter *	it,
		const struct advance *	goal
	)

Initialize a root requirements iterator.

Definition at line 647 of file tech.cpp.

◆ advance_root_req_iter_next()

static void advance_root_req_iter_next ( struct iterator * it )

static

Jump to next advance which has a previously unseen root_req.

Definition at line 594 of file tech.cpp.

◆ advance_root_req_iter_sizeof()

size_t advance_root_req_iter_sizeof ( )

Return the size of the advance root requirements iterator.

Definition at line 567 of file tech.cpp.

◆ advance_root_req_iter_valid()

static bool advance_root_req_iter_valid ( const struct iterator * it )

static

Return whether we finished to iterate or not.

Definition at line 584 of file tech.cpp.

Referenced by advance_root_req_iter_next().

◆ advance_rule_name()

const char* advance_rule_name ( const struct advance * padvance )

Return the (untranslated) rule name of the advance/technology.

You don't have to free the return pointer.

Definition at line 283 of file tech.cpp.

Referenced by advance_by_rule_name(), api_methods_tech_type_rule_name(), dai_choose_paratrooper(), dai_goldequiv_clause(), dai_select_tech(), tab_tech::delete_now(), tab_tech::edit_effects(), handle_diplomacy_accept_treaty_req(), init_tech(), is_tech_needed(), load_ruleset_techs(), load_ruleset_units(), tab_tech::name_given(), tab_tech::refresh(), research_invention_set(), research_tech_lost(), sanity_check_ruleset_data(), save_tech_list(), save_tech_ref(), sg_save_savefile(), tech_log_prefix(), tab_tech::tech_name(), technology_save(), tileset_setup_tech_type(), universal_kind_values(), and universal_rule_name().

◆ is_future_tech()

bool is_future_tech ( Tech_type_id tech )

Is the given tech a future tech.

Definition at line 268 of file tech.cpp.

Referenced by adv_data_phase_init(), api_edit_give_technology(), choose_tech(), dai_select_tech(), found_new_tech(), help_dialog::make_tree(), research_tech_lost(), research_total_bulbs_required(), help_widget::set_topic_tech(), sg_load_sanitycheck(), steal_a_tech(), update_bulbs(), and science_report::update_report().

◆ set_user_tech_flag_name()

void set_user_tech_flag_name	(	enum tech_flag_id	id,
		const char *	name,
		const char *	helptxt
	)

Sets user defined name for tech flag.

Definition at line 378 of file tech.cpp.

Referenced by handle_ruleset_tech_flag(), and load_tech_names().

◆ tech_class_by_number()

struct tech_class* tech_class_by_number ( const int idx )

Return the tech_class for the given index.

Definition at line 304 of file tech.cpp.

Referenced by handle_ruleset_tech(), handle_ruleset_tech_class(), and tech_class_by_rule_name().

◆ tech_class_by_rule_name()

struct tech_class* tech_class_by_rule_name ( const char * name )

Does a linear search of tech_classes[].name.vernacular Returns nullptr when none match.

Definition at line 335 of file tech.cpp.

Referenced by load_ruleset_techs().

◆ tech_class_name_translation()

const char* tech_class_name_translation ( const struct tech_class * ptclass )

Return the (translated) name of the given tech_class You must not free the return pointer.

Definition at line 317 of file tech.cpp.

Referenced by helptext_advance().

◆ tech_class_rule_name()

const char* tech_class_rule_name ( const struct tech_class * ptclass )

Return the (untranslated) rule name of tech_class You must not free the return pointer.

Definition at line 326 of file tech.cpp.

Referenced by save_techs_ruleset(), and tech_class_by_rule_name().

◆ tech_classes_init()

void tech_classes_init ( )

Initialize tech classes.

Definition at line 291 of file tech.cpp.

Referenced by game_ruleset_init().

◆ tech_flag_helptxt()

const char* tech_flag_helptxt ( enum tech_flag_id id )

Return the (untranslated) helptxt of the user tech flag.

Definition at line 413 of file tech.cpp.

Referenced by helptext_advance(), save_techs_ruleset(), and send_ruleset_techs().

◆ tech_flag_id_name_cb()

const char* tech_flag_id_name_cb ( enum tech_flag_id flag )

Tech flag name callback, called from specenum code.

Definition at line 401 of file tech.cpp.

Referenced by save_techs_ruleset(), and send_ruleset_techs().

◆ tech_free()

static void tech_free ( Tech_type_id tech )

static

De-allocate resources associated with the given tech.

Definition at line 469 of file tech.cpp.

Referenced by techs_free().

◆ techs_free()

void techs_free ( )

De-allocate resources of all techs.

Definition at line 481 of file tech.cpp.

Referenced by game_ruleset_free().

◆ techs_have_fixed_costs()

bool techs_have_fixed_costs ( )

Returns true if the costs for the given technology will stay constant during the game.

False otherwise.

Checking every tech_cost_style with fixed costs seems a waste of system resources, when we can check that it is not the one style without fixed costs.

Definition at line 428 of file tech.cpp.

Referenced by helptext_advance().

◆ techs_init()

void techs_init ( )

Initialize tech structures.

Definition at line 437 of file tech.cpp.

Referenced by game_ruleset_init().

◆ techs_precalc_data()

void techs_precalc_data ( )

Function to precalculate needed data for technologies.

Definition at line 207 of file tech.cpp.

Referenced by load_rulesetdir().

◆ user_tech_flags_free()

void user_tech_flags_free ( )

Frees the memory associated with all user tech flags.

Definition at line 366 of file tech.cpp.

Referenced by game_ruleset_free().

◆ user_tech_flags_init()

void user_tech_flags_init ( )

Initialize user tech flags.

Definition at line 354 of file tech.cpp.

Referenced by game_ruleset_init().

◆ valid_advance()

struct advance* valid_advance ( struct advance * padvance )

Returns pointer when the advance "exists" in this game, returns nullptr otherwise.

A tech doesn't exist if it has been flagged as removed by setting its require values to A_NEVER. Note that this function returns nullptr if either of req values is A_NEVER, rather than both, to be on the safe side.

Definition at line 138 of file tech.cpp.

Referenced by advance_req_iter_next(), advance_root_req_iter_next(), load_ruleset_techs(), load_ruleset_units(), lookup_tech_list(), manual_command(), research_get_reachable(), send_ruleset_techs(), tech_log_prefix(), tileset_setup_tech_type(), and valid_advance_by_number().

◆ valid_advance_by_number()

struct advance* valid_advance_by_number ( const Tech_type_id id )

Returns pointer when the advance "exists" in this game, returns nullptr otherwise.

In addition to valid_advance(), tests for id is out of range.

Definition at line 154 of file tech.cpp.

Referenced by add_clause(), boot_help_texts(), create_dummy_reqtree(), dai_select_tech(), diplomat_get_tech(), found_new_tech(), get_science_goal_text(), handle_player_research(), handle_player_tech_goal(), helptext_advance(), research_allowed(), research_get_reachable(), research_get_reachable_rreqs(), research_goal_bulbs_required(), research_goal_step(), research_goal_tech_req(), research_goal_unknown_techs(), research_invention_gettable(), research_invention_reachable(), research_invention_set(), research_tech_lost(), research_total_bulbs_required(), sanity_check_ruleset_data(), progress_bar::set_pixmap(), sg_load_player_unit(), sg_load_sanitycheck(), steal_a_tech(), and unit_order_list_is_sane().

Variable Documentation

◆ advances

struct advance advances[A_ARRAY_SIZE]

Definition at line 1 of file tech.cpp.

Referenced by advance_array_last(), advance_by_number(), advance_index(), advance_required(), tech_free(), techs_free(), and techs_init().

◆ tech_classes

struct tech_class tech_classes[MAX_NUM_TECH_CLASSES]

Definition at line 1 of file tech.cpp.

Referenced by tech_class_by_number(), and tech_classes_init().

◆ user_tech_flags

struct user_flag user_tech_flags[MAX_NUM_USER_TECH_FLAGS]

static

Definition at line 1 of file tech.cpp.

Referenced by set_user_tech_flag_name(), tech_flag_helptxt(), tech_flag_id_name_cb(), user_tech_flags_free(), and user_tech_flags_init().

Classes

Macros

Functions

Variables

Macro Definition Documentation

◆ ADVANCE_REQ_ITER

◆ ADVANCE_ROOT_REQ_ITER

Function Documentation

◆ advance_array_last()

◆ advance_by_number()

◆ advance_by_rule_name()

◆ advance_by_translated_name()

◆ advance_count()

◆ advance_has_flag()

◆ advance_index()

◆ advance_name_translation()

◆ advance_number()

◆ advance_req_iter_get()

◆ advance_req_iter_init()

◆ advance_req_iter_next()

◆ advance_req_iter_sizeof()

◆ advance_req_iter_valid()

◆ advance_required()

◆ advance_requires()

◆ advance_root_req_iter_get()

◆ advance_root_req_iter_init()

◆ advance_root_req_iter_next()

◆ advance_root_req_iter_sizeof()

◆ advance_root_req_iter_valid()

◆ advance_rule_name()

◆ is_future_tech()

◆ set_user_tech_flag_name()

◆ tech_class_by_number()

◆ tech_class_by_rule_name()

◆ tech_class_name_translation()

◆ tech_class_rule_name()

◆ tech_classes_init()

◆ tech_flag_helptxt()

◆ tech_flag_id_name_cb()

◆ tech_free()

◆ techs_free()

◆ techs_have_fixed_costs()

◆ techs_init()

◆ techs_precalc_data()

◆ user_tech_flags_free()

◆ user_tech_flags_init()

◆ valid_advance()

◆ valid_advance_by_number()

Variable Documentation

◆ advances

◆ tech_classes

◆ user_tech_flags