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/* $Id$ */

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/** @file variables.h */

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#ifndef VARIABLES_H

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#define VARIABLES_H

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#include "tile_type.h"

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#include "strings_type.h"

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/* Amount of game ticks */

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VARDEF uint16 _tick_counter;

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/* Skip aging of cargo? */

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VARDEF byte _age_cargo_skip_counter;

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/* Position in tile loop */

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VARDEF TileIndex _cur_tileloop_tile;

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/* Also save scrollpos_x, scrollpos_y and zoom */

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VARDEF uint16 _disaster_delay;

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/* Determines what station to operate on in the

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 *  tick handler. */

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VARDEF uint16 _station_tick_ctr;

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/* Iterator through all towns in OnTick_Town */

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VARDEF uint32 _cur_town_ctr;

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/* Frequency iterator at the same place */

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VARDEF uint32 _cur_town_iter;

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VARDEF uint _cur_player_tick_index;

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VARDEF uint _next_competitor_start;

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/* Determines how often to run the tree loop */

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VARDEF byte _trees_tick_ctr;

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/* Keep track of current game position */

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VARDEF int _saved_scrollpos_x;

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VARDEF int _saved_scrollpos_y;

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struct Cheat {

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	bool been_used; // has this cheat been used before?

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	bool value;     // tells if the bool cheat is active or not

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};

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/* WARNING! Do _not_ remove entries in Cheats struct or change the order

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 * of the existing ones! Would break downward compatibility.

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 * Only add new entries at the end of the struct! */

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struct Cheats {

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	Cheat magic_bulldozer;  // dynamite industries, unmovables

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	Cheat switch_player;    // change to another player

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	Cheat money;            // get rich

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	Cheat crossing_tunnels; // allow tunnels that cross each other

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	Cheat build_in_pause;   // build while in pause mode

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	Cheat no_jetcrash;      // no jet will crash on small airports anymore

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	Cheat switch_climate;

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	Cheat change_date;      // changes date ingame

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	Cheat setup_prod;       // setup raw-material production in game

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	Cheat dummy;            // empty cheat (enable running el-engines on normal rail)

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};

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VARDEF Cheats _cheats;

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/* NOSAVE: Used in palette animations only, not really important. */

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VARDEF int _palette_animation_counter;

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VARDEF uint32 _frame_counter;

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VARDEF uint32 _realtime_tick;

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VARDEF bool _do_autosave;

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VARDEF int _autosave_ctr;

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VARDEF byte _display_opt;

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VARDEF int _caret_timer;

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VARDEF bool _rightclick_emulate;

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/* IN/OUT parameters to commands */

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VARDEF TileIndex _build_tunnel_endtile;

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VARDEF bool _generating_world;

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/* Used when switching from the intro menu. */

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VARDEF byte _switch_mode;

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VARDEF StringID _switch_mode_errorstr;

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VARDEF char _savegame_format[8];

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VARDEF char *_config_file;

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VARDEF char *_highscore_file;

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VARDEF char *_log_file;

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/* landscape.cpp */

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extern const byte _tileh_to_sprite[32];

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extern bool _draw_bounding_boxes;

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/* misc */

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VARDEF char _screenshot_name[128];

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VARDEF byte _vehicle_design_names;

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/* Forking stuff */

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VARDEF bool _dedicated_forks;

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#endif /* VARIABLES_H */