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#ifndef TOWN_H

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#define TOWN_H

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#include "player.h"

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struct Town {

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	TileIndex xy;

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	// Current population of people and amount of houses.

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	uint16 num_houses;

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	uint32 population;

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	// Town name

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	uint16 townnametype;

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	uint32 townnameparts;

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	// NOSAVE: Location of name sign, UpdateTownVirtCoord updates this.

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	ViewportSign sign;

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	// Makes sure we don't build certain house types twice.

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	byte flags12;

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	// Which players have a statue?

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	byte statues;

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	// Sort index in listings

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	byte sort_index_obsolete;

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	// Player ratings as well as a mask that determines which players have a rating.

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	byte have_ratings;

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	uint8 unwanted[MAX_PLAYERS]; // how many months companies aren't wanted by towns (bribe)

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	uint8 exclusivity;	     // which player has exslusivity

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	uint8 exclusive_counter;     // months till the exclusivity expires

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	int16 ratings[MAX_PLAYERS];

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	// Maximum amount of passengers and mail that can be transported.

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	uint16 max_pass;

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	uint16 max_mail;

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	uint16 new_max_pass;

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	uint16 new_max_mail;

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	uint16 act_pass;

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	uint16 act_mail;

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	uint16 new_act_pass;

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	uint16 new_act_mail;

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	// Amount of passengers that were transported.

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	byte pct_pass_transported;

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	byte pct_mail_transported;

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	// Amount of food and paper that was transported. Actually a bit mask would be enough.

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	uint16 act_food;

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	uint16 act_water;

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	uint16 new_act_food;

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	uint16 new_act_water;

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	// Time until we rebuild a house.

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	byte time_until_rebuild;

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	// When to grow town next time.

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	byte grow_counter;

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	byte growth_rate;

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	// Fund buildings program in action?

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	byte fund_buildings_months;

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	// Fund road reconstruction in action?

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	byte road_build_months;

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	// Index in town array

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	uint16 index;

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	// NOSAVE: UpdateTownRadius updates this given the house count.

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	uint16 radius[5];

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};

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uint32 GetWorldPopulation(void);

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void UpdateTownVirtCoord(Town *t);

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void InitializeTown(void);

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void ShowTownViewWindow(uint town);

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void DeleteTown(Town *t);

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void ExpandTown(Town *t);

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bool GrowTown(Town *t);

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Town *CreateRandomTown(void);

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enum {

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	ROAD_REMOVE = 0,

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	UNMOVEABLE_REMOVE = 1,

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	TUNNELBRIDGE_REMOVE = 1,

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	INDUSTRY_REMOVE = 2

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};

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enum {

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	// These refer to the maximums, so Appalling is -1000 to -400

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	// MAXIMUM RATINGS BOUNDARIES

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	RATING_MINIMUM 		= -1000,

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	RATING_APPALLING 	= -400,

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	RATING_VERYPOOR 	= -200,

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	RATING_POOR 			= 0,

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	RATING_MEDIOCRE		= 200,

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	RATING_GOOD				= 400,

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	RATING_VERYGOOD		= 600,

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	RATING_EXCELLENT	= 800,

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	RATING_OUTSTANDING= 1000, 	// OUTSTANDING

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	RATING_MAXIMUM = RATING_OUTSTANDING,

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	// RATINGS AFFECTING NUMBERS

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	RATING_TREE_DOWN_STEP = -35,

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	RATING_TREE_MINIMUM = RATING_MINIMUM,

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	RATING_TREE_UP_STEP = 7,

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	RATING_TREE_MAXIMUM = 220,

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	RATING_TUNNEL_BRIDGE_DOWN_STEP = -250,

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	RATING_TUNNEL_BRIDGE_MINIMUM = 0,

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	RATING_INDUSTRY_DOWN_STEP = -1500,

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	RATING_INDUSTRY_MINIMUM = RATING_MINIMUM,

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	RATING_ROAD_DOWN_STEP = -50,

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	RATING_ROAD_MINIMUM = -100,

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	RATING_HOUSE_MINIMUM = RATING_MINIMUM,

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	RATING_BRIBE_UP_STEP = 200,

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	RATING_BRIBE_MAXIMUM = 800,

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	RATING_BRIBE_DOWN_TO = -50 					// XXX SHOULD BE SOMETHING LOWER?

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};

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bool CheckforTownRating(uint tile, uint32 flags, Town *t, byte type);

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VARDEF Town _towns[70];

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VARDEF uint _towns_size;

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VARDEF uint16 *_town_sort;

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static inline Town *GetTown(uint index)

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{

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	assert(index < _towns_size);

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	return &_towns[index];

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}

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#define FOR_ALL_TOWNS(t) for(t = _towns; t != &_towns[_towns_size]; t++)

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VARDEF int _total_towns; // For the AI: the amount of towns active

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VARDEF bool _town_sort_dirty;

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VARDEF byte _town_sort_order;

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VARDEF Town *_cleared_town;

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VARDEF int _cleared_town_rating;

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#endif /* TOWN_H */