1

/* $Id$ */

     2

     3

/** @file vehicle_func.h Functions related to vehicles. */

     4

     5

#ifndef VEHICLE_FUNC_H

     6

#define VEHICLE_FUNC_H

     7

     8

#include "tile_type.h"

     9

#include "strings_type.h"

    10

#include "gfx_type.h"

    11

#include "direction_type.h"

    12

#include "cargo_type.h"

    13

#include "command_type.h"

    14

#include "vehicle_type.h"

    15

#include "engine_type.h"

    16

#include "transport_type.h"

    17

    18

#define is_custom_sprite(x) (x >= 0xFD)

    19

#define IS_CUSTOM_FIRSTHEAD_SPRITE(x) (x == 0xFD)

    20

#define IS_CUSTOM_SECONDHEAD_SPRITE(x) (x == 0xFE)

    21

    22

typedef void *VehicleFromPosProc(Vehicle *v, void *data);

    23

    24

void VehicleServiceInDepot(Vehicle *v);

    25

void VehiclePositionChanged(Vehicle *v);

    26

Vehicle *GetLastVehicleInChain(Vehicle *v);

    27

const Vehicle *GetLastVehicleInChain(const Vehicle *v);

    28

uint CountVehiclesInChain(const Vehicle *v);

    29

bool IsEngineCountable(const Vehicle *v);

    30

void DeleteVehicleChain(Vehicle *v);

    31

void *VehicleFromPos(TileIndex tile, void *data, VehicleFromPosProc *proc);

    32

void *VehicleFromPosXY(int x, int y, void *data, VehicleFromPosProc *proc);

    33

void CallVehicleTicks();

    34

Vehicle *FindVehicleOnTileZ(TileIndex tile, byte z);

    35

uint8 CalcPercentVehicleFilled(const Vehicle *v, StringID *color);

    36

    37

void InitializeTrains();

    38

byte VehicleRandomBits();

    39

void ResetVehiclePosHash();

    40

void ResetVehicleColorMap();

    41

    42

bool CanRefitTo(EngineID engine_type, CargoID cid_to);

    43

CargoID FindFirstRefittableCargo(EngineID engine_type);

    44

CommandCost GetRefitCost(EngineID engine_type);

    45

    46

void ViewportAddVehicles(DrawPixelInfo *dpi);

    47

    48

SpriteID GetRotorImage(const Vehicle *v);

    49

    50

uint32 VehicleEnterTile(Vehicle *v, TileIndex tile, int x, int y);

    51

    52

StringID VehicleInTheWayErrMsg(const Vehicle* v);

    53

Vehicle *FindVehicleBetween(TileIndex from, TileIndex to, byte z, bool without_crashed = false);

    54

Vehicle *GetVehicleTunnelBridge(TileIndex tile, TileIndex endtile);

    55

    56

void DecreaseVehicleValue(Vehicle *v);

    57

void CheckVehicleBreakdown(Vehicle *v);

    58

void AgeVehicle(Vehicle *v);

    59

void VehicleEnteredDepotThisTick(Vehicle *v);

    60

    61

void BeginVehicleMove(const Vehicle *v);

    62

void EndVehicleMove(const Vehicle *v);

    63

void MarkSingleVehicleDirty(const Vehicle *v);

    64

    65

UnitID GetFreeUnitNumber(VehicleType type);

    66

    67

void TrainConsistChanged(Vehicle *v);

    68

void TrainPowerChanged(Vehicle *v);

    69

Money GetTrainRunningCost(const Vehicle *v);

    70

    71

CommandCost SendAllVehiclesToDepot(VehicleType type, uint32 flags, bool service, PlayerID owner, uint16 vlw_flag, uint32 id);

    72

void VehicleEnterDepot(Vehicle *v);

    73

    74

CommandCost MaybeReplaceVehicle(Vehicle *v, uint32 flags, bool display_costs);

    75

bool CanBuildVehicleInfrastructure(VehicleType type);

    76

    77

void CcCloneVehicle(bool success, TileIndex tile, uint32 p1, uint32 p2);

    78

    79

    80

struct GetNewVehiclePosResult {

    81

	int x, y;

    82

	TileIndex old_tile;

    83

	TileIndex new_tile;

    84

};

    85

    86

/* returns true if staying in the same tile */

    87

GetNewVehiclePosResult GetNewVehiclePos(const Vehicle *v);

    88

Direction GetDirectionTowards(const Vehicle *v, int x, int y);

    89

    90

static inline bool IsPlayerBuildableVehicleType(VehicleType type)

    91

{

    92

	switch (type) {

    93

		case VEH_TRAIN:

    94

		case VEH_ROAD:

    95

		case VEH_SHIP:

    96

		case VEH_AIRCRAFT:

    97

			return true;

    98

    99

		default: return false;

   100

	}

   101

}

   102

   103

static inline bool IsPlayerBuildableVehicleType(const BaseVehicle *v)

   104

{

   105

	return IsPlayerBuildableVehicleType(v->type);

   106

}

   107

   108

const struct Livery *GetEngineLivery(EngineID engine_type, PlayerID player, EngineID parent_engine_type, const Vehicle *v);

   109

   110

/**

   111

 * Get the colour map for an engine. This used for unbuilt engines in the user interface.

   112

 * @param engine_type ID of engine

   113

 * @param player ID of player

   114

 * @return A ready-to-use palette modifier

   115

 */

   116

SpriteID GetEnginePalette(EngineID engine_type, PlayerID player);

   117

   118

/**

   119

 * Get the colour map for a vehicle.

   120

 * @param v Vehicle to get colour map for

   121

 * @return A ready-to-use palette modifier

   122

 */

   123

SpriteID GetVehiclePalette(const Vehicle *v);

   124

   125

extern const uint32 _veh_build_proc_table[];

   126

extern const uint32 _veh_sell_proc_table[];

   127

extern const uint32 _veh_refit_proc_table[];

   128

extern const uint32 _send_to_depot_proc_table[];

   129

   130

/* Functions to find the right command for certain vehicle type */

   131

static inline uint32 GetCmdBuildVeh(VehicleType type)

   132

{

   133

	return _veh_build_proc_table[type];

   134

}

   135

   136

static inline uint32 GetCmdBuildVeh(const BaseVehicle *v)

   137

{

   138

	return GetCmdBuildVeh(v->type);

   139

}

   140

   141

static inline uint32 GetCmdSellVeh(VehicleType type)

   142

{

   143

	return _veh_sell_proc_table[type];

   144

}

   145

   146

static inline uint32 GetCmdSellVeh(const BaseVehicle *v)

   147

{

   148

	return GetCmdSellVeh(v->type);

   149

}

   150

   151

static inline uint32 GetCmdRefitVeh(VehicleType type)

   152

{

   153

	return _veh_refit_proc_table[type];

   154

}

   155

   156

static inline uint32 GetCmdRefitVeh(const BaseVehicle *v)

   157

{

   158

	return GetCmdRefitVeh(v->type);

   159

}

   160

   161

static inline uint32 GetCmdSendToDepot(VehicleType type)

   162

{

   163

	return _send_to_depot_proc_table[type];

   164

}

   165

   166

static inline uint32 GetCmdSendToDepot(const BaseVehicle *v)

   167

{

   168

	return GetCmdSendToDepot(v->type);

   169

}

   170

   171

bool EnsureNoVehicleOnGround(TileIndex tile);

   172

void StopAllVehicles();

   173

   174

extern VehicleID _vehicle_id_ctr_day;

   175

extern const Vehicle *_place_clicked_vehicle;

   176

extern VehicleID _new_vehicle_id;

   177

extern uint16 _returned_refit_capacity;

   178

   179

#endif /* VEHICLE_FUNC_H */