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Feature: setting to indicate snow coverage for arctic climate (replaces snow line height)

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Setting the snow coverage (in % of the map) makes a lot more sense
to the human, while still allowing the niche player to set (by
finding the correct %) a snow line height they like. This makes for
easier defaults, as it decoupled terrain height from amount of snow.

Maps can never be 100% snow, as we do not have sprites for coastal
tiles.

Internally, this calculates the best snow line height to approach
this coverage as close as possible.
This commit is contained in:
Patric Stout
2021-03-24 14:48:12 +01:00
committed by Patric Stout
parent 7a886cb4d4
commit cafe4eed6e
12 changed files with 124 additions and 56 deletions
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19
src/settings_internal.h
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@@ -37,15 +37,16 @@ enum SettingGuiFlag : uint16 {
/* 1 byte allocated for a maximum of 8 flags
* Flags directing saving/loading of a variable */
SGF_NONE = 0,
SGF_0ISDISABLED = 1 << 0, ///< a value of zero means the feature is disabled
SGF_DISPLAY_ABS = 1 << 1, ///< display absolute value of the setting
SGF_MULTISTRING = 1 << 2, ///< the value represents a limited number of string-options (internally integer)
SGF_NETWORK_ONLY = 1 << 3, ///< this setting only applies to network games
SGF_CURRENCY = 1 << 4, ///< the number represents money, so when reading value multiply by exchange rate
SGF_NO_NETWORK = 1 << 5, ///< this setting does not apply to network games; it may not be changed during the game
SGF_NEWGAME_ONLY = 1 << 6, ///< this setting cannot be changed in a game
SGF_SCENEDIT_TOO = 1 << 7, ///< this setting can be changed in the scenario editor (only makes sense when SGF_NEWGAME_ONLY is set)
SGF_PER_COMPANY = 1 << 8, ///< this setting can be different for each company (saved in company struct)
SGF_0ISDISABLED = 1 << 0, ///< a value of zero means the feature is disabled
SGF_DISPLAY_ABS = 1 << 1, ///< display absolute value of the setting
SGF_MULTISTRING = 1 << 2, ///< the value represents a limited number of string-options (internally integer)
SGF_NETWORK_ONLY = 1 << 3, ///< this setting only applies to network games
SGF_CURRENCY = 1 << 4, ///< the number represents money, so when reading value multiply by exchange rate
SGF_NO_NETWORK = 1 << 5, ///< this setting does not apply to network games; it may not be changed during the game
SGF_NEWGAME_ONLY = 1 << 6, ///< this setting cannot be changed in a game
SGF_SCENEDIT_TOO = 1 << 7, ///< this setting can be changed in the scenario editor (only makes sense when SGF_NEWGAME_ONLY is set)
SGF_PER_COMPANY = 1 << 8, ///< this setting can be different for each company (saved in company struct)
SGF_SCENEDIT_ONLY = 1 << 9, ///< this setting can only be changed in the scenario editor
};
DECLARE_ENUM_AS_BIT_SET(SettingGuiFlag)