Snowline functions and data structures

Data Structures

struct  SnowLine
 Structure describing the height of the snow line each day of the year. More...

Functions

bool IsSnowLineSet ()
 Has a snow line table already been loaded.
void SetSnowLine (byte table[SNOW_LINE_MONTHS][SNOW_LINE_DAYS])
 Set a variable snow line, as loaded from a newgrf file.
byte GetSnowLine ()
 Get the current snow line, either variable or static.
byte HighestSnowLine ()
 Get the highest possible snow line height, either variable or static.
byte LowestSnowLine ()
 Get the lowest possible snow line height, either variable or static.
void ClearSnowLine ()
 Clear the variable snow line table and free the memory.

Variables

static SnowLine_snow_line = NULL
 Description of the snow line throughout the year.

Function Documentation

byte GetSnowLine (  ) 
byte HighestSnowLine (  ) 

Get the highest possible snow line height, either variable or static.

Returns:
the highest snow line height.

Definition at line 574 of file landscape.cpp.

References _settings_game, GameSettings::game_creation, SnowLine::highest_value, and GameCreationSettings::snow_line.

Referenced by CheckNewIndustry_Farm(), and CheckNewIndustry_Forest().

bool IsSnowLineSet (  ) 

Has a snow line table already been loaded.

Returns:
true if the table has been loaded already.

Definition at line 531 of file landscape.cpp.

byte LowestSnowLine (  ) 

Get the lowest possible snow line height, either variable or static.

Returns:
the lowest snow line height.

Definition at line 584 of file landscape.cpp.

References _settings_game, GameSettings::game_creation, SnowLine::lowest_value, and GameCreationSettings::snow_line.

Referenced by TownViewWindow::DrawWidget(), and TownViewWindow::GetDesiredInfoHeight().

void SetSnowLine ( byte  table[SNOW_LINE_MONTHS][SNOW_LINE_DAYS]  ) 

Set a variable snow line, as loaded from a newgrf file.

Parameters:
table the 12 * 32 byte table containing the snowline for each day

Definition at line 541 of file landscape.cpp.

References SnowLine::highest_value, SnowLine::lowest_value, max(), min(), SNOW_LINE_MONTHS, and SnowLine::table.


Variable Documentation

SnowLine* _snow_line = NULL [static]

Description of the snow line throughout the year.

If it is NULL, a static snowline height is used, as set by _settings_game.game_creation.snow_line. Otherwise it points to a table loaded from a newGRF file that describes the variable snowline.

See also:
GetSnowLine() GameCreationSettings

Definition at line 85 of file landscape.cpp.


Generated on Thu Apr 14 00:48:51 2011 for OpenTTD by  doxygen 1.6.1