Files
openttd/src/landscape.h
frosch 49d2087d7f (svn r11947) -Feature: Make use of new sprites added by Action5 type 0D.
Tiles which only consist of shore do not flood anymore, instead they get removed if they are no longer connected to flooding water.
2008-01-22 17:48:08 +00:00

62 lines
1.3 KiB
C

/* $Id$ */
/** @file landscape.h */
#ifndef LANDSCAPE_H
#define LANDSCAPE_H
#include "core/geometry_type.hpp"
#include "tile_cmd.h"
#include "slope_type.h"
#include "direction_type.h"
enum {
SNOW_LINE_MONTHS = 12,
SNOW_LINE_DAYS = 32,
};
struct SnowLine {
byte table[SNOW_LINE_MONTHS][SNOW_LINE_DAYS];
byte highest_value;
};
bool IsSnowLineSet(void);
void SetSnowLine(byte table[SNOW_LINE_MONTHS][SNOW_LINE_DAYS]);
byte GetSnowLine(void);
byte HighestSnowLine(void);
void ClearSnowLine(void);
bool IsValidTile(TileIndex tile);
uint GetPartialZ(int x, int y, Slope corners);
uint GetSlopeZ(int x, int y);
void GetSlopeZOnEdge(Slope tileh, DiagDirection edge, int *z1, int *z2);
int GetSlopeZInCorner(Slope tileh, Corner corner);
Slope GetFoundationSlope(TileIndex tile, uint* z);
static inline Point RemapCoords(int x, int y, int z)
{
Point pt;
pt.x = (y - x) * 2;
pt.y = y + x - z;
return pt;
}
static inline Point RemapCoords2(int x, int y)
{
return RemapCoords(x, y, GetSlopeZ(x, y));
}
uint ApplyFoundationToSlope(Foundation f, Slope *s);
void DrawFoundation(TileInfo *ti, Foundation f);
void DoClearSquare(TileIndex tile);
void RunTileLoop();
void InitializeLandscape();
void GenerateLandscape(byte mode);
TileIndex AdjustTileCoordRandomly(TileIndex a, byte rng);
#endif /* LANDSCAPE_H */