1

/* $Id$ */

     2

     3

/** @file bridge.h Header file for bridges */

     4

     5

#ifndef BRIDGE_H

     6

#define BRIDGE_H

     7

     8

#include "gfx_type.h"

     9

#include "tile_cmd.h"

    10

    11

enum {

    12

	MAX_BRIDGES = 13

    13

};

    14

    15

/** Struct containing information about a single bridge type

    16

 */

    17

struct Bridge {

    18

	Year avail_year;     ///< the year in which the bridge becomes available

    19

	byte min_length;     ///< the minimum length of the bridge (not counting start and end tile)

    20

	byte max_length;     ///< the maximum length of the bridge (not counting start and end tile)

    21

	uint16 price;        ///< the relative price of the bridge

    22

	uint16 speed;        ///< maximum travel speed

    23

	SpriteID sprite;     ///< the sprite which is used in the GUI

    24

	SpriteID pal;        ///< the palette which is used in the GUI

    25

	StringID material;   ///< the string that contains the bridge description

    26

	PalSpriteID **sprite_table; ///< table of sprites for drawing the bridge

    27

	byte flags;          ///< bit 0 set: disable drawing of far pillars.

    28

};

    29

    30

extern const Bridge orig_bridge[MAX_BRIDGES];

    31

extern Bridge _bridge[MAX_BRIDGES];

    32

    33

Foundation GetBridgeFoundation(Slope tileh, Axis axis);

    34

    35

static inline const Bridge *GetBridge(uint i)

    36

{

    37

	assert(i < lengthof(_bridge));

    38

	return &_bridge[i];

    39

}

    40

    41

void DrawBridgeMiddle(const TileInfo *ti);

    42

    43

bool CheckBridge_Stuff(byte bridge_type, uint bridge_len);

    44

uint32 GetBridgeLength(TileIndex begin, TileIndex end);

    45

int CalcBridgeLenCostFactor(int x);

    46

    47

#endif /* BRIDGE_H */