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Location: cpp/openttd-patchpack/source/vehicle.h - annotation
r3362:753e978d188b
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(svn r4157) CodeChange : Keep on cleaning up Celestar's elrail merge
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#ifndef VEHICLE_H
#define VEHICLE_H
#include "pool.h"
#include "order.h"
#include "rail.h"
enum {
VEH_Train = 0x10,
VEH_Road = 0x11,
VEH_Ship = 0x12,
VEH_Aircraft = 0x13,
VEH_Special = 0x14,
VEH_Disaster = 0x15,
} ;
enum VehStatus {
VS_HIDDEN = 1,
VS_STOPPED = 2,
VS_UNCLICKABLE = 4,
VS_DEFPAL = 0x8,
VS_TRAIN_SLOWING = 0x10,
VS_DISASTER = 0x20,
VS_AIRCRAFT_BROKEN = 0x40,
VS_WAIT_FOR_SLOT = 0x40,
VS_CRASHED = 0x80,
};
/* Effect vehicle types */
typedef enum EffectVehicle {
EV_CHIMNEY_SMOKE = 0,
EV_STEAM_SMOKE = 1,
EV_DIESEL_SMOKE = 2,
EV_ELECTRIC_SPARK = 3,
EV_SMOKE = 4,
EV_EXPLOSION_LARGE = 5,
EV_BREAKDOWN_SMOKE = 6,
EV_EXPLOSION_SMALL = 7,
EV_BULLDOZER = 8,
EV_BUBBLE = 9
} EffectVehicle;
typedef struct VehicleRail {
uint16 last_speed; // NOSAVE: only used in UI
uint16 crash_anim_pos;
uint16 days_since_order_progr;
// cached values, recalculated on load and each time a vehicle is added to/removed from the consist.
uint16 cached_max_speed; // max speed of the consist. (minimum of the max speed of all vehicles in the consist)
uint32 cached_power; // total power of the consist.
uint8 cached_veh_length; // length of this vehicle in units of 1/8 of normal length, cached because this can be set by a callback
uint16 cached_total_length; ///< Length of the whole train, valid only for first engine.
// cached values, recalculated when the cargo on a train changes (in addition to the conditions above)
uint16 cached_weight; // total weight of the consist.
uint16 cached_veh_weight; // weight of the vehicle.
/**
* Position/type of visual effect.
* bit 0 - 3 = position of effect relative to vehicle. (0 = front, 8 = centre, 15 = rear)
* bit 4 - 5 = type of effect. (0 = default for engine class, 1 = steam, 2 = diesel, 3 = electric)
* bit 6 = disable visual effect.
* bit 7 = disable powered wagons.
*/
byte cached_vis_effect;
// NOSAVE: for wagon override - id of the first engine in train
// 0xffff == not in train
EngineID first_engine;
byte track;
byte force_proceed;
byte railtype;
RailTypeMask compatible_railtypes;
byte flags;
// Link between the two ends of a multiheaded engine
Vehicle *other_multiheaded_part;
} VehicleRail;
enum {
VRF_REVERSING = 0,
// used to calculate if train is going up or down
VRF_GOINGUP = 1,
VRF_GOINGDOWN = 2,
// used to store if a wagon is powered or not
VRF_POWEREDWAGON = 3,
// used to reverse the visible direction of the vehicle
VRF_REVERSE_DIRECTION = 4,
};
typedef struct VehicleAir {
uint16 crashed_counter;
byte pos;
byte previous_pos;
StationID targetairport;
byte state;
} VehicleAir;
typedef struct VehicleRoad {
byte state;
byte frame;
uint16 blocked_ctr;
byte overtaking;
byte overtaking_ctr;
uint16 crashed_ctr;
byte reverse_ctr;
struct RoadStop *slot;
byte slotindex;
byte slot_age;
} VehicleRoad;
typedef struct VehicleSpecial {
uint16 unk0;
byte unk2;
} VehicleSpecial;
typedef struct VehicleDisaster {
uint16 image_override;
uint16 unk2;
} VehicleDisaster;
typedef struct VehicleShip {
byte state;
} VehicleShip;
struct Vehicle {
byte type; // type, ie roadven,train,ship,aircraft,special
byte subtype; // subtype (Filled with values from EffectVehicles or TrainSubTypes)
VehicleID index; // NOSAVE: Index in vehicle array
Vehicle *next; // next
Vehicle *first; // NOSAVE: pointer to the first vehicle in the chain
Vehicle *depot_list; //NOSAVE: linked list to tell what vehicles entered a depot during the last tick. Used by autoreplace
StringID string_id; // Displayed string
UnitID unitnumber; // unit number, for display purposes only
PlayerID owner; // which player owns the vehicle?
TileIndex tile; // Current tile index
TileIndex dest_tile; // Heading for this tile
int32 x_pos; // coordinates
int32 y_pos;
byte z_pos;
byte direction; // facing
byte spritenum; // currently displayed sprite index
// 0xfd == custom sprite, 0xfe == custom second head sprite
// 0xff == reserved for another custom sprite
uint16 cur_image; // sprite number for this vehicle
byte sprite_width;// width of vehicle sprite
byte sprite_height;// height of vehicle sprite
byte z_height; // z-height of vehicle sprite
int8 x_offs; // x offset for vehicle sprite
int8 y_offs; // y offset for vehicle sprite
EngineID engine_type;
// for randomized variational spritegroups
// bitmask used to resolve them; parts of it get reseeded when triggers
// of corresponding spritegroups get matched
byte random_bits;
byte waiting_triggers; // triggers to be yet matched
uint16 max_speed; // maximum speed
uint16 cur_speed; // current speed
byte subspeed; // fractional speed
byte acceleration; // used by train & aircraft
byte progress;
byte vehstatus; // Status
StationID last_station_visited;
CargoID cargo_type; // type of cargo this vehicle is carrying
byte cargo_days; // how many days have the pieces been in transit
StationID cargo_source;// source of cargo
uint16 cargo_cap; // total capacity
uint16 cargo_count;// how many pieces are used
byte day_counter; // increased by one for each day
byte tick_counter;// increased by one for each tick
/* Begin Order-stuff */
Order current_order; ///< The current order (+ status, like: loading)
OrderID cur_order_index; ///< The index to the current order
Order *orders; ///< Pointer to the first order for this vehicle
OrderID num_orders; ///< How many orders there are in the list
Vehicle *next_shared; ///< If not NULL, this points to the next vehicle that shared the order
Vehicle *prev_shared; ///< If not NULL, this points to the prev vehicle that shared the order
/* End Order-stuff */
// Boundaries for the current position in the world and a next hash link.
// NOSAVE: All of those can be updated with VehiclePositionChanged()
int32 left_coord;
int32 top_coord;
int32 right_coord;
int32 bottom_coord;
VehicleID next_hash;
// Related to age and service time
uint16 age; // Age in days
uint16 max_age; // Maximum age
uint16 date_of_last_service;
uint16 service_interval;
uint16 reliability;
uint16 reliability_spd_dec;
byte breakdown_ctr;
byte breakdown_delay;
byte breakdowns_since_last_service;
byte breakdown_chance;
byte build_year;
bool leave_depot_instantly; // NOSAVE: stores if the vehicle needs to leave the depot it just entered. Used by autoreplace
uint16 load_unload_time_rem;
int32 profit_this_year;
int32 profit_last_year;
uint32 value;
union {
VehicleRail rail;
VehicleAir air;
VehicleRoad road;
VehicleSpecial special;
VehicleDisaster disaster;
VehicleShip ship;
} u;
};
#define is_custom_sprite(x) (x >= 0xFD)
#define IS_CUSTOM_FIRSTHEAD_SPRITE(x) (x == 0xFD)
#define IS_CUSTOM_SECONDHEAD_SPRITE(x) (x == 0xFE)
typedef void VehicleTickProc(Vehicle *v);
typedef void *VehicleFromPosProc(Vehicle *v, void *data);
void VehicleServiceInDepot(Vehicle *v);
Vehicle *AllocateVehicle(void);
bool AllocateVehicles(Vehicle **vl, int num);
Vehicle *ForceAllocateVehicle(void);
Vehicle *ForceAllocateSpecialVehicle(void);
void VehiclePositionChanged(Vehicle *v);
void AfterLoadVehicles(void);
Vehicle *GetLastVehicleInChain(Vehicle *v);
Vehicle *GetPrevVehicleInChain(const Vehicle *v);
Vehicle *GetFirstVehicleInChain(const Vehicle *v);
uint CountVehiclesInChain(const Vehicle* v);
void DeleteVehicle(Vehicle *v);
void DeleteVehicleChain(Vehicle *v);
void *VehicleFromPos(TileIndex tile, void *data, VehicleFromPosProc *proc);
void CallVehicleTicks(void);
Vehicle *FindVehicleOnTileZ(TileIndex tile, byte z);
void InitializeTrains(void);
byte VehicleRandomBits(void);
bool CanFillVehicle(Vehicle *v);
bool CanRefitTo(EngineID engine_type, CargoID cid_to);
void ViewportAddVehicles(DrawPixelInfo *dpi);
void TrainEnterDepot(Vehicle *v, TileIndex tile);
/* train_cmd.h */
int GetTrainImage(const Vehicle* v, Direction direction);
int GetAircraftImage(const Vehicle* v, Direction direction);
int GetRoadVehImage(const Vehicle* v, Direction direction);
int GetShipImage(const Vehicle* v, Direction direction);
Vehicle *CreateEffectVehicle(int x, int y, int z, EffectVehicle type);
Vehicle *CreateEffectVehicleAbove(int x, int y, int z, EffectVehicle type);
Vehicle *CreateEffectVehicleRel(const Vehicle *v, int x, int y, int z, EffectVehicle type);
uint32 VehicleEnterTile(Vehicle *v, TileIndex tile, int x, int y);
void VehicleInTheWayErrMsg(const Vehicle* v);
Vehicle *FindVehicleBetween(TileIndex from, TileIndex to, byte z);
TileIndex GetVehicleOutOfTunnelTile(const Vehicle *v);
bool UpdateSignalsOnSegment(TileIndex tile, DiagDirection direction);
void SetSignalsOnBothDir(TileIndex tile, byte track);
Vehicle *CheckClickOnVehicle(const ViewPort *vp, int x, int y);
void DecreaseVehicleValue(Vehicle *v);
void CheckVehicleBreakdown(Vehicle *v);
void AgeVehicle(Vehicle *v);
void VehicleEnteredDepotThisTick(Vehicle *v);
void BeginVehicleMove(Vehicle *v);
void EndVehicleMove(Vehicle *v);
void ShowAircraftViewWindow(const Vehicle* v);
UnitID GetFreeUnitNumber(byte type);
int LoadUnloadVehicle(Vehicle *v);
void TrainConsistChanged(Vehicle *v);
void TrainPowerChanged(Vehicle *v);
int32 GetTrainRunningCost(const Vehicle *v);
int CheckTrainStoppedInDepot(const Vehicle *v);
bool VehicleNeedsService(const Vehicle *v);
typedef struct GetNewVehiclePosResult {
int x,y;
TileIndex old_tile;
TileIndex new_tile;
} GetNewVehiclePosResult;
/**
* Returns the Trackdir on which the vehicle is currently located.
* Works for trains and ships.
* Currently works only sortof for road vehicles, since they have a fuzzy
* concept of being "on" a trackdir. Dunno really what it returns for a road
* vehicle that is halfway a tile, never really understood that part. For road
* vehicles that are at the beginning or end of the tile, should just return
* the diagonal trackdir on which they are driving. I _think_.
* For other vehicles types, or vehicles with no clear trackdir (such as those
* in depots), returns 0xFF.
*/
Trackdir GetVehicleTrackdir(const Vehicle* v);
/* returns true if staying in the same tile */
bool GetNewVehiclePos(const Vehicle *v, GetNewVehiclePosResult *gp);
Direction GetDirectionTowards(const Vehicle* v, int x, int y);
#define BEGIN_ENUM_WAGONS(v) do {
#define END_ENUM_WAGONS(v) } while ( (v=v->next) != NULL);
extern MemoryPool _vehicle_pool;
/**
* Get the pointer to the vehicle with index 'index'
*/
static inline Vehicle *GetVehicle(VehicleID index)
{
return (Vehicle*)GetItemFromPool(&_vehicle_pool, index);
}
/**
* Get the current size of the VehiclePool
*/
static inline uint16 GetVehiclePoolSize(void)
{
return _vehicle_pool.total_items;
}
#define FOR_ALL_VEHICLES_FROM(v, start) for (v = GetVehicle(start); v != NULL; v = (v->index + 1 < GetVehiclePoolSize()) ? GetVehicle(v->index + 1) : NULL)
#define FOR_ALL_VEHICLES(v) FOR_ALL_VEHICLES_FROM(v, 0)
/**
* Check if a Vehicle really exists.
*/
static inline bool IsValidVehicle(const Vehicle *v)
{
return v->type != 0;
}
/**
* Check if an index is a vehicle-index (so between 0 and max-vehicles)
*
* @return Returns true if the vehicle-id is in range
*/
static inline bool IsVehicleIndex(uint index)
{
return index < GetVehiclePoolSize();
}
/* Returns order 'index' of a vehicle or NULL when it doesn't exists */
static inline Order *GetVehicleOrder(const Vehicle *v, int index)
{
Order *order = v->orders;
if (index < 0) return NULL;
while (order != NULL && index-- > 0)
order = order->next;
return order;
}
/* Returns the last order of a vehicle, or NULL if it doesn't exists */
static inline Order *GetLastVehicleOrder(const Vehicle *v)
{
Order *order = v->orders;
if (order == NULL) return NULL;
while (order->next != NULL)
order = order->next;
return order;
}
/* Get the first vehicle of a shared-list, so we only have to walk forwards */
static inline Vehicle *GetFirstVehicleFromSharedList(Vehicle *v)
{
Vehicle *u = v;
while (u->prev_shared != NULL)
u = u->prev_shared;
return u;
}
// NOSAVE: Return values from various commands.
VARDEF VehicleID _new_train_id;
VARDEF VehicleID _new_wagon_id;
VARDEF VehicleID _new_aircraft_id;
VARDEF VehicleID _new_ship_id;
VARDEF VehicleID _new_roadveh_id;
VARDEF VehicleID _new_vehicle_id;
VARDEF uint16 _returned_refit_capacity;
#define INVALID_VEHICLE 0xFFFF
/**
* Get the colour map for an engine. This used for unbuilt engines in the user interface.
* @param engine_type ID of engine
* @param player ID of player
* @return A ready-to-use palette modifier
*/
PalSpriteID GetEnginePalette(EngineID engine_type, PlayerID player);
/**
* Get the colour map for a vehicle.
* @param v Vehicle to get colour map for
* @return A ready-to-use palette modifier
*/
PalSpriteID GetVehiclePalette(const Vehicle *v);
/* A lot of code calls for the invalidation of the status bar, which is widget 5.
* Best is to have a virtual value for it when it needs to change again */
#define STATUS_BAR 5
#endif /* VEHICLE_H */
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