summaryrefslogtreecommitdiff
path: root/src/landscape.h
blob: 8d39e8d31eeea5e8be9ea5c1ed9ca090012c1ab4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
/* $Id$ */

/** @file landscape.h */

#ifndef LANDSCAPE_H
#define LANDSCAPE_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);

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));
}

void DrawFoundation(TileInfo *ti, uint f);

void DoClearSquare(TileIndex tile);
void RunTileLoop();

uint32 GetTileTrackStatus(TileIndex tile, TransportType mode);
void GetAcceptedCargo(TileIndex tile, AcceptedCargo ac);
void ChangeTileOwner(TileIndex tile, PlayerID old_player, PlayerID new_player);
void AnimateTile(TileIndex tile);
void ClickTile(TileIndex tile);
void GetTileDesc(TileIndex tile, TileDesc *td);

void InitializeLandscape();
void GenerateLandscape(byte mode);

void ConvertGroundTilesIntoWaterTiles();

TileIndex AdjustTileCoordRandomly(TileIndex a, byte rng);

#endif /* LANDSCAPE_H */