landscape.h
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00002
00005 #ifndef LANDSCAPE_H
00006 #define LANDSCAPE_H
00007
00008 #include "core/geometry_type.hpp"
00009 #include "tile_cmd.h"
00010 #include "slope_type.h"
00011 #include "direction_type.h"
00012
00013 enum {
00014 SNOW_LINE_MONTHS = 12,
00015 SNOW_LINE_DAYS = 32,
00016 };
00017
00020 struct SnowLine {
00021 byte table[SNOW_LINE_MONTHS][SNOW_LINE_DAYS];
00022 byte highest_value;
00023 byte lowest_value;
00024 };
00025
00026 bool IsSnowLineSet(void);
00027 void SetSnowLine(byte table[SNOW_LINE_MONTHS][SNOW_LINE_DAYS]);
00028 byte GetSnowLine(void);
00029 byte HighestSnowLine(void);
00030 byte LowestSnowLine(void);
00031 void ClearSnowLine(void);
00032
00033 uint GetPartialZ(int x, int y, Slope corners);
00034 uint GetSlopeZ(int x, int y);
00035 void GetSlopeZOnEdge(Slope tileh, DiagDirection edge, int *z1, int *z2);
00036 int GetSlopeZInCorner(Slope tileh, Corner corner);
00037 Slope GetFoundationSlope(TileIndex tile, uint *z);
00038
00039 static inline Point RemapCoords(int x, int y, int z)
00040 {
00041 Point pt;
00042 pt.x = (y - x) * 2;
00043 pt.y = y + x - z;
00044 return pt;
00045 }
00046
00047 static inline Point RemapCoords2(int x, int y)
00048 {
00049 return RemapCoords(x, y, GetSlopeZ(x, y));
00050 }
00051
00052 uint ApplyFoundationToSlope(Foundation f, Slope *s);
00053 void DrawFoundation(TileInfo *ti, Foundation f);
00054
00055 void DoClearSquare(TileIndex tile);
00056 void RunTileLoop();
00057
00058 void InitializeLandscape();
00059 void GenerateLandscape(byte mode);
00060
00061 #endif