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Location: cpp/openttd-patchpack/source/src/articulated_vehicles.cpp - annotation
r10437:764a98dacf78
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(svn r14691) -Update: WebTranslator2 update to 2008-12-18 18:47:25
arabic_egypt - 132 fixed, 1 changed by khaloofah (133)
czech - 10 fixed, 25 changed by Hadez (35)
esperanto - 15 fixed by Athaba (15)
greek - 7 fixed by ouranogrammi (7)
indonesian - 88 changed by fanioz (88)
latvian - 117 fixed, 16 changed by peerer (83), marismols (50)
lithuanian - 15 fixed by Zogg (15)
malay - 38 fixed by tombakemas (5), Syed (33)
serbian - 39 fixed, 1 changed by Jenraux (40)
thai - 105 fixed by vetbook (105)
arabic_egypt - 132 fixed, 1 changed by khaloofah (133)
czech - 10 fixed, 25 changed by Hadez (35)
esperanto - 15 fixed by Athaba (15)
greek - 7 fixed by ouranogrammi (7)
indonesian - 88 changed by fanioz (88)
latvian - 117 fixed, 16 changed by peerer (83), marismols (50)
lithuanian - 15 fixed by Zogg (15)
malay - 38 fixed by tombakemas (5), Syed (33)
serbian - 39 fixed, 1 changed by Jenraux (40)
thai - 105 fixed by vetbook (105)
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r6857:1e07df806ef1 r6772:59235ded8522 r6772:59235ded8522 r6772:59235ded8522 | /* $Id$ */
/** @file articulated_vehicles.cpp Implementation of articulated vehicles. */
#include "stdafx.h"
#include "openttd.h"
#include "articulated_vehicles.h"
#include "train.h"
#include "roadveh.h"
#include "newgrf_callbacks.h"
#include "newgrf_engine.h"
#include "vehicle_func.h"
static const uint MAX_ARTICULATED_PARTS = 100; ///< Maximum of articulated parts per vehicle, i.e. when to abort calling the articulated vehicle callback.
uint CountArticulatedParts(EngineID engine_type, bool purchase_window)
{
if (!HasBit(EngInfo(engine_type)->callbackmask, CBM_VEHICLE_ARTIC_ENGINE)) return 0;
Vehicle *v = NULL;;
if (!purchase_window) {
v = new InvalidVehicle();
v->engine_type = engine_type;
}
uint i;
for (i = 1; i < MAX_ARTICULATED_PARTS; i++) {
uint16 callback = GetVehicleCallback(CBID_VEHICLE_ARTIC_ENGINE, i, 0, engine_type, v);
if (callback == CALLBACK_FAILED || GB(callback, 0, 8) == 0xFF) break;
}
delete v;
return i - 1;
}
/**
* Returns the default (non-refitted) capacity of a specific EngineID.
* @param engine the EngineID of iterest
* @param type the type of the engine
* @param cargo_type returns the default cargo type, if needed
* @return capacity
*/
static inline uint16 GetVehicleDefaultCapacity(EngineID engine, VehicleType type, CargoID *cargo_type)
{
switch (type) {
case VEH_TRAIN: {
const RailVehicleInfo *rvi = RailVehInfo(engine);
if (cargo_type != NULL) *cargo_type = rvi->cargo_type;
return GetEngineProperty(engine, 0x14, rvi->capacity) + (rvi->railveh_type == RAILVEH_MULTIHEAD ? rvi->capacity : 0);
}
case VEH_ROAD: {
const RoadVehicleInfo *rvi = RoadVehInfo(engine);
if (cargo_type != NULL) *cargo_type = rvi->cargo_type;
return GetEngineProperty(engine, 0x0F, rvi->capacity);
}
case VEH_SHIP: {
const ShipVehicleInfo *svi = ShipVehInfo(engine);
if (cargo_type != NULL) *cargo_type = svi->cargo_type;
return GetEngineProperty(engine, 0x0D, svi->capacity);
}
case VEH_AIRCRAFT: {
const AircraftVehicleInfo *avi = AircraftVehInfo(engine);
if (cargo_type != NULL) *cargo_type = CT_PASSENGERS;
return avi->passenger_capacity;
}
default: NOT_REACHED();
}
}
/**
* Returns all cargos a vehicle can carry.
* @param engine the EngineID of iterest
* @param type the type of the engine
* @param include_initial_cargo_type if true the default cargo type of the vehicle is included; if false only the refit_mask
* @return bit set of CargoIDs
*/
static inline uint32 GetAvailableVehicleCargoTypes(EngineID engine, VehicleType type, bool include_initial_cargo_type)
{
uint32 cargos = 0;
CargoID initial_cargo_type;
if (GetVehicleDefaultCapacity(engine, type, &initial_cargo_type) > 0) {
if (type != VEH_SHIP || ShipVehInfo(engine)->refittable) {
const EngineInfo *ei = EngInfo(engine);
cargos = ei->refit_mask;
}
if (include_initial_cargo_type && initial_cargo_type < NUM_CARGO) SetBit(cargos, initial_cargo_type);
}
return cargos;
}
uint16 *GetCapacityOfArticulatedParts(EngineID engine, VehicleType type)
{
static uint16 capacity[NUM_CARGO];
memset(capacity, 0, sizeof(capacity));
CargoID cargo_type;
uint16 cargo_capacity = GetVehicleDefaultCapacity(engine, type, &cargo_type);
if (cargo_type < NUM_CARGO) capacity[cargo_type] = cargo_capacity;
if (type != VEH_TRAIN && type != VEH_ROAD) return capacity;
if (!HasBit(EngInfo(engine)->callbackmask, CBM_VEHICLE_ARTIC_ENGINE)) return capacity;
for (uint i = 1; i < MAX_ARTICULATED_PARTS; i++) {
uint16 callback = GetVehicleCallback(CBID_VEHICLE_ARTIC_ENGINE, i, 0, engine, NULL);
if (callback == CALLBACK_FAILED || GB(callback, 0, 8) == 0xFF) break;
EngineID artic_engine = GetNewEngineID(GetEngineGRF(engine), type, GB(callback, 0, 7));
cargo_capacity = GetVehicleDefaultCapacity(artic_engine, type, &cargo_type);
if (cargo_type < NUM_CARGO) capacity[cargo_type] += cargo_capacity;
}
return capacity;
}
/**
* Ors the refit_masks of all articulated parts.
* Note: Vehicles with a default capacity of zero are ignored.
* @param engine the first part
* @param type the vehicle type
* @param include_initial_cargo_type if true the default cargo type of the vehicle is included; if false only the refit_mask
* @return bit mask of CargoIDs which are a refit option for at least one articulated part
*/
uint32 GetUnionOfArticulatedRefitMasks(EngineID engine, VehicleType type, bool include_initial_cargo_type)
{
uint32 cargos = GetAvailableVehicleCargoTypes(engine, type, include_initial_cargo_type);
if (type != VEH_TRAIN && type != VEH_ROAD) return cargos;
if (!HasBit(EngInfo(engine)->callbackmask, CBM_VEHICLE_ARTIC_ENGINE)) return cargos;
for (uint i = 1; i < MAX_ARTICULATED_PARTS; i++) {
uint16 callback = GetVehicleCallback(CBID_VEHICLE_ARTIC_ENGINE, i, 0, engine, NULL);
if (callback == CALLBACK_FAILED || GB(callback, 0, 8) == 0xFF) break;
EngineID artic_engine = GetNewEngineID(GetEngineGRF(engine), type, GB(callback, 0, 7));
cargos |= GetAvailableVehicleCargoTypes(artic_engine, type, include_initial_cargo_type);
}
return cargos;
}
/**
* Ands the refit_masks of all articulated parts.
* Note: Vehicles with a default capacity of zero are ignored.
* @param engine the first part
* @param type the vehicle type
* @param include_initial_cargo_type if true the default cargo type of the vehicle is included; if false only the refit_mask
* @return bit mask of CargoIDs which are a refit option for every articulated part (with default capacity > 0)
*/
uint32 GetIntersectionOfArticulatedRefitMasks(EngineID engine, VehicleType type, bool include_initial_cargo_type)
{
uint32 cargos = UINT32_MAX;
uint32 veh_cargos = GetAvailableVehicleCargoTypes(engine, type, include_initial_cargo_type);
if (veh_cargos != 0) cargos &= veh_cargos;
if (type != VEH_TRAIN && type != VEH_ROAD) return cargos;
if (!HasBit(EngInfo(engine)->callbackmask, CBM_VEHICLE_ARTIC_ENGINE)) return cargos;
for (uint i = 1; i < MAX_ARTICULATED_PARTS; i++) {
uint16 callback = GetVehicleCallback(CBID_VEHICLE_ARTIC_ENGINE, i, 0, engine, NULL);
if (callback == CALLBACK_FAILED || GB(callback, 0, 8) == 0xFF) break;
EngineID artic_engine = GetNewEngineID(GetEngineGRF(engine), type, GB(callback, 0, 7));
veh_cargos = GetAvailableVehicleCargoTypes(artic_engine, type, include_initial_cargo_type);
if (veh_cargos != 0) cargos &= veh_cargos;
}
return cargos;
}
/**
* Tests if all parts of an articulated vehicle are refitted to the same cargo.
* Note: Vehicles not carrying anything are ignored
* @param v the first vehicle in the chain
* @param cargo_type returns the common CargoID if needed. (CT_INVALID if no part is carrying something or they are carrying different things)
* @return true if some parts are carrying different cargos, false if all parts are carrying the same (nothing is also the same)
*/
bool IsArticulatedVehicleCarryingDifferentCargos(const Vehicle *v, CargoID *cargo_type)
{
CargoID first_cargo = CT_INVALID;
do {
if (v->cargo_cap > 0 && v->cargo_type != CT_INVALID) {
if (first_cargo == CT_INVALID) first_cargo = v->cargo_type;
if (first_cargo != v->cargo_type) {
if (cargo_type != NULL) *cargo_type = CT_INVALID;
return true;
}
}
switch (v->type) {
case VEH_TRAIN:
v = (EngineHasArticPart(v) ? GetNextArticPart(v) : NULL);
break;
case VEH_ROAD:
v = (RoadVehHasArticPart(v) ? v->Next() : NULL);
break;
default:
v = NULL;
break;
}
} while (v != NULL);
if (cargo_type != NULL) *cargo_type = first_cargo;
return false;
}
void AddArticulatedParts(Vehicle **vl, VehicleType type)
{
const Vehicle *v = vl[0];
Vehicle *u = vl[0];
if (!HasBit(EngInfo(v->engine_type)->callbackmask, CBM_VEHICLE_ARTIC_ENGINE)) return;
for (uint i = 1; i < MAX_ARTICULATED_PARTS; i++) {
uint16 callback = GetVehicleCallback(CBID_VEHICLE_ARTIC_ENGINE, i, 0, v->engine_type, v);
if (callback == CALLBACK_FAILED || GB(callback, 0, 8) == 0xFF) return;
/* Attempt to use pre-allocated vehicles until they run out. This can happen
* if the callback returns different values depending on the cargo type. */
u->SetNext(vl[i]);
if (u->Next() == NULL) return;
Vehicle *previous = u;
u = u->Next();
EngineID engine_type = GetNewEngineID(GetEngineGRF(v->engine_type), type, GB(callback, 0, 7));
bool flip_image = HasBit(callback, 7);
/* get common values from first engine */
u->direction = v->direction;
u->owner = v->owner;
u->tile = v->tile;
u->x_pos = v->x_pos;
u->y_pos = v->y_pos;
u->z_pos = v->z_pos;
u->build_year = v->build_year;
u->vehstatus = v->vehstatus & ~VS_STOPPED;
u->cargo_subtype = 0;
u->max_speed = 0;
u->max_age = 0;
u->engine_type = engine_type;
u->value = 0;
u->subtype = 0;
u->cur_image = 0xAC2;
u->random_bits = VehicleRandomBits();
switch (type) {
default: NOT_REACHED();
case VEH_TRAIN: {
const RailVehicleInfo *rvi_artic = RailVehInfo(engine_type);
u = new (u) Train();
previous->SetNext(u);
u->u.rail.track = v->u.rail.track;
u->u.rail.railtype = v->u.rail.railtype;
u->u.rail.first_engine = v->engine_type;
u->spritenum = rvi_artic->image_index;
u->cargo_type = rvi_artic->cargo_type;
u->cargo_cap = rvi_artic->capacity;
SetArticulatedPart(u);
} break;
case VEH_ROAD: {
const RoadVehicleInfo *rvi_artic = RoadVehInfo(engine_type);
u = new (u) RoadVehicle();
previous->SetNext(u);
u->u.road.first_engine = v->engine_type;
u->u.road.cached_veh_length = GetRoadVehLength(u);
u->u.road.state = RVSB_IN_DEPOT;
u->u.road.roadtype = v->u.road.roadtype;
u->u.road.compatible_roadtypes = v->u.road.compatible_roadtypes;
u->spritenum = rvi_artic->image_index;
u->cargo_type = rvi_artic->cargo_type;
u->cargo_cap = rvi_artic->capacity;
SetRoadVehArticPart(u);
} break;
}
if (flip_image) u->spritenum++;
VehiclePositionChanged(u);
}
}
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