author | skidd13 |
Sun, 02 Dec 2007 21:43:16 +0000 | |
changeset 8004 | 1c54bc6f4bdf |
parent 7932 | 6c3d71e8a129 |
child 8123 | ce31d2843a95 |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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/** @file transparency.h */ |
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#ifndef TRANSPARENCY_H |
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#define TRANSPARENCY_H |
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/** |
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* Transparency option bits: which position in _transparency_opt stands for which transparency. |
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* If you change the order, change the order of the ShowTransparencyToolbar() stuff in transparency_gui.cpp too. |
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* If you add or remove an option don't forget to change the transparency 'hot keys' in main_gui.cpp. |
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* If you add an option and have more then 8, change the typedef TransparencyOptionBits and |
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* the save stuff (e.g. SLE_UINT8 to SLE_UINT16) in settings.cpp . |
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*/ |
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enum TransparencyOption { |
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TO_SIGNS = 0, ///< signs |
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TO_TREES, ///< trees |
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TO_HOUSES, ///< town buildings |
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TO_INDUSTRIES, ///< industries |
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TO_BUILDINGS, ///< player buildings - depots, stations, HQ, ... |
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TO_BRIDGES, ///< bridges |
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TO_STRUCTURES, ///< unmovable structures |
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TO_LOADING, ///< loading indicators |
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TO_END, |
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}; |
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typedef byte TransparencyOptionBits; ///< transparency option bits |
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extern TransparencyOptionBits _transparency_opt; |
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/** |
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* Check if the transparency option bit is set |
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* and if we aren't in the game menu (there's never transparency) |
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* |
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* @param to the structure which transparency option is ask for |
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*/ |
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static inline bool IsTransparencySet(TransparencyOption to) |
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{ |
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return (HasBit(_transparency_opt, to) && _game_mode != GM_MENU); |
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} |
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/** |
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* Toggle the transparency option bit |
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* |
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* @param to the structure which transparency option is toggle |
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*/ |
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static inline void ToggleTransparency(TransparencyOption to) |
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{ |
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ToggleBit(_transparency_opt, to); |
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} |
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/** Toggle all transparency options (except signs) or restore the stored transparencies */ |
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static inline void ResetRestoreAllTransparency() |
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{ |
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/* backup of the original transparencies or if all transparencies false toggle them to true */ |
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static TransparencyOptionBits trans_opt = ~0; |
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if (_transparency_opt == 0) { |
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/* no structure is transparent, so restore the old transparency if present otherwise set all true */ |
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_transparency_opt = trans_opt; |
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} else { |
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/* any structure is transparent, so store current transparency settings and reset it */ |
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trans_opt = _transparency_opt; |
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_transparency_opt = 0; |
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} |
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MarkWholeScreenDirty(); |
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} |
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#endif /* TRANSPARENCY_H */ |