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Location: cpp/openttd-patchpack/source/src/engine.cpp - annotation
r7437:f62a4feca046
18.0 KiB
text/x-c
(svn r10877) -Fix: some isocodes were wrong
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/** @file engine.cpp */
#include "stdafx.h"
#include "openttd.h"
#include "debug.h"
#include "functions.h"
#include "table/strings.h"
#include "engine.h"
#include "gfx.h"
#include "player.h"
#include "command.h"
#include "vehicle.h"
#include "news.h"
#include "saveload.h"
#include "variables.h"
#include "train.h"
#include "aircraft.h"
#include "newgrf_cargo.h"
#include "date.h"
#include "table/engines.h"
#include "group.h"
#include "string.h"
#include "strings.h"
#include "misc/autoptr.hpp"
EngineInfo _engine_info[TOTAL_NUM_ENGINES];
RailVehicleInfo _rail_vehicle_info[NUM_TRAIN_ENGINES];
ShipVehicleInfo _ship_vehicle_info[NUM_SHIP_ENGINES];
AircraftVehicleInfo _aircraft_vehicle_info[NUM_AIRCRAFT_ENGINES];
RoadVehicleInfo _road_vehicle_info[NUM_ROAD_ENGINES];
enum {
YEAR_ENGINE_AGING_STOPS = 2050,
};
void ShowEnginePreviewWindow(EngineID engine);
void DeleteCustomEngineNames()
{
uint i;
StringID old;
for (i = 0; i != TOTAL_NUM_ENGINES; i++) {
old = _engine_name_strings[i];
_engine_name_strings[i] = i + STR_8000_KIRBY_PAUL_TANK_STEAM;
DeleteName(old);
}
_vehicle_design_names &= ~1;
}
void LoadCustomEngineNames()
{
/* XXX: not done */
DEBUG(misc, 1, "LoadCustomEngineNames: not done");
}
static void SetupEngineNames()
{
StringID *name;
for (name = _engine_name_strings; name != endof(_engine_name_strings); name++)
*name = STR_SV_EMPTY;
DeleteCustomEngineNames();
LoadCustomEngineNames();
}
static void CalcEngineReliability(Engine *e)
{
uint age = e->age;
/* Check for early retirement */
if (e->player_avail != 0 && !_patches.never_expire_vehicles) {
uint retire_early = EngInfo(e - _engines)->retire_early;
if (retire_early > 0 && age >= e->duration_phase_1 + e->duration_phase_2 - retire_early * 12) {
/* Early retirement is enabled and we're past the date... */
e->player_avail = 0;
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
}
}
if (age < e->duration_phase_1) {
uint start = e->reliability_start;
e->reliability = age * (e->reliability_max - start) / e->duration_phase_1 + start;
} else if ((age -= e->duration_phase_1) < e->duration_phase_2 || _patches.never_expire_vehicles) {
/* We are at the peak of this engines life. It will have max reliability.
* This is also true if the engines never expire. They will not go bad over time */
e->reliability = e->reliability_max;
} else if ((age -= e->duration_phase_2) < e->duration_phase_3) {
uint max = e->reliability_max;
e->reliability = (int)age * (int)(e->reliability_final - max) / e->duration_phase_3 + max;
} else {
/* time's up for this engine.
* We will now completely retire this design */
e->player_avail = 0;
e->reliability = e->reliability_final;
/* Kick this engine out of the lists */
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
}
InvalidateWindowClasses(WC_BUILD_VEHICLE); // Update to show the new reliability
InvalidateWindowClasses(WC_REPLACE_VEHICLE);
}
void AddTypeToEngines()
{
Engine* e = _engines;
do e->type = VEH_TRAIN; while (++e < &_engines[ROAD_ENGINES_INDEX]);
do e->type = VEH_ROAD; while (++e < &_engines[SHIP_ENGINES_INDEX]);
do e->type = VEH_SHIP; while (++e < &_engines[AIRCRAFT_ENGINES_INDEX]);
do e->type = VEH_AIRCRAFT; while (++e < &_engines[TOTAL_NUM_ENGINES]);
}
void StartupEngines()
{
Engine *e;
const EngineInfo *ei;
/* Aging of vehicles stops, so account for that when starting late */
const Date aging_date = min(_date, ConvertYMDToDate(YEAR_ENGINE_AGING_STOPS, 0, 1));
SetupEngineNames();
for (e = _engines, ei = _engine_info; e != endof(_engines); e++, ei++) {
uint32 r;
e->age = 0;
e->flags = 0;
e->player_avail = 0;
/* The magic value of 729 days below comes from the NewGRF spec. If the
* base intro date is before 1922 then the random number of days is not
* added. */
r = Random();
e->intro_date = ei->base_intro <= ConvertYMDToDate(1922, 0, 1) ? ei->base_intro : (Date)GB(r, 0, 9) + ei->base_intro;
if (e->intro_date <= _date) {
e->age = (aging_date - e->intro_date) >> 5;
e->player_avail = (byte)-1;
e->flags |= ENGINE_AVAILABLE;
}
e->reliability_start = GB(r, 16, 14) + 0x7AE0;
r = Random();
e->reliability_max = GB(r, 0, 14) + 0xBFFF;
e->reliability_final = GB(r, 16, 14) + 0x3FFF;
r = Random();
e->duration_phase_1 = GB(r, 0, 5) + 7;
e->duration_phase_2 = GB(r, 5, 4) + ei->base_life * 12 - 96;
e->duration_phase_3 = GB(r, 9, 7) + 120;
e->reliability_spd_dec = (ei->unk2&0x7F) << 2;
/* my invented flag for something that is a wagon */
if (ei->unk2 & 0x80) {
e->age = 0xFFFF;
} else {
CalcEngineReliability(e);
}
e->lifelength = ei->lifelength + _patches.extend_vehicle_life;
/* prevent certain engines from ever appearing. */
if (!HASBIT(ei->climates, _opt.landscape)) {
e->flags |= ENGINE_AVAILABLE;
e->player_avail = 0;
}
/* This sets up type for the engine
* It is needed if you want to ask the engine what type it is
* It should hopefully be the same as when you ask a vehicle what it is
* but using this, you can ask what type an engine number is
* even if it is not a vehicle (yet)*/
}
}
static void AcceptEnginePreview(EngineID eid, PlayerID player)
{
Engine *e = GetEngine(eid);
Player *p = GetPlayer(player);
SETBIT(e->player_avail, player);
if (e->type == VEH_TRAIN) {
const RailVehicleInfo *rvi = RailVehInfo(eid);
assert(rvi->railtype < RAILTYPE_END);
SETBIT(p->avail_railtypes, rvi->railtype);
} else if (e->type == VEH_ROAD) {
SETBIT(p->avail_roadtypes, HASBIT(EngInfo(eid)->misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD);
}
e->preview_player = INVALID_PLAYER;
if (player == _local_player) {
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
}
}
static PlayerID GetBestPlayer(PlayerID pp)
{
const Player *p;
int32 best_hist;
PlayerID best_player;
uint mask = 0;
do {
best_hist = -1;
best_player = PLAYER_SPECTATOR;
FOR_ALL_PLAYERS(p) {
if (p->is_active && p->block_preview == 0 && !HASBIT(mask, p->index) &&
p->old_economy[0].performance_history > best_hist) {
best_hist = p->old_economy[0].performance_history;
best_player = p->index;
}
}
if (best_player == PLAYER_SPECTATOR) return PLAYER_SPECTATOR;
SETBIT(mask, best_player);
} while (pp--, pp != 0);
return best_player;
}
void EnginesDailyLoop()
{
EngineID i;
if (_cur_year >= YEAR_ENGINE_AGING_STOPS) return;
for (i = 0; i != lengthof(_engines); i++) {
Engine *e = &_engines[i];
if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) {
if (e->flags & ENGINE_OFFER_WINDOW_OPEN) {
if (e->preview_player != 0xFF && !--e->preview_wait) {
e->flags &= ~ENGINE_OFFER_WINDOW_OPEN;
DeleteWindowById(WC_ENGINE_PREVIEW, i);
e->preview_player++;
}
} else if (e->preview_player != 0xFF) {
PlayerID best_player = GetBestPlayer(e->preview_player);
if (best_player == PLAYER_SPECTATOR) {
e->preview_player = INVALID_PLAYER;
continue;
}
if (!IsHumanPlayer(best_player)) {
/* XXX - TTDBUG: TTD has a bug here ???? */
AcceptEnginePreview(i, best_player);
} else {
e->flags |= ENGINE_OFFER_WINDOW_OPEN;
e->preview_wait = 20;
if (IsInteractivePlayer(best_player)) ShowEnginePreviewWindow(i);
}
}
}
}
}
/** Accept an engine prototype. XXX - it is possible that the top-player
* changes while you are waiting to accept the offer? Then it becomes invalid
* @param tile unused
* @param flags operation to perfom
* @param p1 engine-prototype offered
* @param p2 unused
*/
CommandCost CmdWantEnginePreview(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
Engine *e;
if (!IsEngineIndex(p1)) return CMD_ERROR;
e = GetEngine(p1);
if (GetBestPlayer(e->preview_player) != _current_player) return CMD_ERROR;
if (flags & DC_EXEC) AcceptEnginePreview(p1, _current_player);
return CommandCost();
}
/* Determine if an engine type is a wagon (and not a loco) */
static bool IsWagon(EngineID index)
{
return index < NUM_TRAIN_ENGINES && RailVehInfo(index)->railveh_type == RAILVEH_WAGON;
}
static void NewVehicleAvailable(Engine *e)
{
Vehicle *v;
Player *p;
EngineID index = e - _engines;
/* In case the player didn't build the vehicle during the intro period,
* prevent that player from getting future intro periods for a while. */
if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) {
FOR_ALL_PLAYERS(p) {
uint block_preview = p->block_preview;
if (!HASBIT(e->player_avail, p->index)) continue;
/* We assume the user did NOT build it.. prove me wrong ;) */
p->block_preview = 20;
FOR_ALL_VEHICLES(v) {
if (v->type == VEH_TRAIN || v->type == VEH_ROAD || v->type == VEH_SHIP ||
(v->type == VEH_AIRCRAFT && IsNormalAircraft(v))) {
if (v->owner == p->index && v->engine_type == index) {
/* The user did prove me wrong, so restore old value */
p->block_preview = block_preview;
break;
}
}
}
}
}
e->flags = (e->flags & ~ENGINE_EXCLUSIVE_PREVIEW) | ENGINE_AVAILABLE;
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
/* Now available for all players */
e->player_avail = (byte)-1;
/* Do not introduce new rail wagons */
if (IsWagon(index)) return;
if (index < NUM_TRAIN_ENGINES) {
/* maybe make another rail type available */
RailType railtype = RailVehInfo(index)->railtype;
assert(railtype < RAILTYPE_END);
FOR_ALL_PLAYERS(p) {
if (p->is_active) SETBIT(p->avail_railtypes, railtype);
}
}
if ((index - NUM_TRAIN_ENGINES) < NUM_ROAD_ENGINES) {
/* maybe make another road type available */
FOR_ALL_PLAYERS(p) {
if (p->is_active) SETBIT(p->avail_roadtypes, HASBIT(EngInfo(index)->misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD);
}
}
AddNewsItem(index, NEWS_FLAGS(NM_CALLBACK, 0, NT_NEW_VEHICLES, DNC_VEHICLEAVAIL), 0, 0);
}
void EnginesMonthlyLoop()
{
Engine *e;
if (_cur_year < YEAR_ENGINE_AGING_STOPS) {
for (e = _engines; e != endof(_engines); e++) {
/* Age the vehicle */
if (e->flags & ENGINE_AVAILABLE && e->age != 0xFFFF) {
e->age++;
CalcEngineReliability(e);
}
if (!(e->flags & ENGINE_AVAILABLE) && _date >= (e->intro_date + 365)) {
/* Introduce it to all players */
NewVehicleAvailable(e);
} else if (!(e->flags & (ENGINE_AVAILABLE|ENGINE_EXCLUSIVE_PREVIEW)) && _date >= e->intro_date) {
/* Introduction date has passed.. show introducing dialog to one player. */
e->flags |= ENGINE_EXCLUSIVE_PREVIEW;
/* Do not introduce new rail wagons */
if (!IsWagon(e - _engines))
e->preview_player = (PlayerID)1; // Give to the player with the highest rating.
}
}
}
}
static bool IsUniqueEngineName(const char *name)
{
char buf[512];
for (EngineID i = 0; i < TOTAL_NUM_ENGINES; i++) {
SetDParam(0, i);
GetString(buf, STR_ENGINE_NAME, lastof(buf));
if (strcmp(buf, name) == 0) return false;
}
return true;
}
/** Rename an engine.
* @param tile unused
* @param flags operation to perfom
* @param p1 engine ID to rename
* @param p2 unused
*/
CommandCost CmdRenameEngine(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
StringID str;
if (!IsEngineIndex(p1) || StrEmpty(_cmd_text)) return CMD_ERROR;
if (!IsUniqueEngineName(_cmd_text)) return_cmd_error(STR_NAME_MUST_BE_UNIQUE);
str = AllocateName(_cmd_text, 0);
if (str == 0) return CMD_ERROR;
if (flags & DC_EXEC) {
StringID old_str = _engine_name_strings[p1];
_engine_name_strings[p1] = str;
DeleteName(old_str);
_vehicle_design_names |= 3;
MarkWholeScreenDirty();
} else {
DeleteName(str);
}
return CommandCost();
}
/*
* returns true if an engine is valid, of the specified type, and buildable by
* the given player, false otherwise
*
* engine = index of the engine to check
* type = the type the engine should be of (VEH_xxx)
* player = index of the player
*/
bool IsEngineBuildable(EngineID engine, byte type, PlayerID player)
{
const Engine *e;
/* check if it's an engine that is in the engine array */
if (!IsEngineIndex(engine)) return false;
e = GetEngine(engine);
/* check if it's an engine of specified type */
if (e->type != type) return false;
/* check if it's available */
if (!HASBIT(e->player_avail, player)) return false;
if (type == VEH_TRAIN) {
/* Check if the rail type is available to this player */
const Player *p = GetPlayer(player);
if (!HASBIT(p->avail_railtypes, RailVehInfo(engine)->railtype)) return false;
}
return true;
}
/** Get the default cargo type for a certain engine type
* @param engine The ID to get the cargo for
* @return The cargo type. CT_INVALID means no cargo capacity
*/
CargoID GetEngineCargoType(EngineID engine)
{
assert(IsEngineIndex(engine));
switch (GetEngine(engine)->type) {
case VEH_TRAIN:
if (RailVehInfo(engine)->capacity == 0) return CT_INVALID;
return RailVehInfo(engine)->cargo_type;
case VEH_ROAD:
if (RoadVehInfo(engine)->capacity == 0) return CT_INVALID;
return RoadVehInfo(engine)->cargo_type;
case VEH_SHIP:
if (ShipVehInfo(engine)->capacity == 0) return CT_INVALID;
return ShipVehInfo(engine)->cargo_type;
case VEH_AIRCRAFT:
/* all aircraft starts as passenger planes with cargo capacity */
return CT_PASSENGERS;
default: NOT_REACHED(); return CT_INVALID;
}
}
/************************************************************************
* Engine Replacement stuff
************************************************************************/
DEFINE_OLD_POOL_GENERIC(EngineRenew, EngineRenew)
/**
* Retrieves the EngineRenew that specifies the replacement of the given
* engine type from the given renewlist */
static EngineRenew *GetEngineReplacement(EngineRenewList erl, EngineID engine, GroupID group)
{
EngineRenew *er = (EngineRenew *)erl;
while (er) {
if (er->from == engine && er->group_id == group) return er;
er = er->next;
}
return NULL;
}
void RemoveAllEngineReplacement(EngineRenewList *erl)
{
EngineRenew *er = (EngineRenew *)(*erl);
EngineRenew *next;
while (er != NULL) {
next = er->next;
delete er;
er = next;
}
*erl = NULL; // Empty list
}
EngineID EngineReplacement(EngineRenewList erl, EngineID engine, GroupID group)
{
const EngineRenew *er = GetEngineReplacement(erl, engine, group);
return er == NULL ? INVALID_ENGINE : er->to;
}
CommandCost AddEngineReplacement(EngineRenewList *erl, EngineID old_engine, EngineID new_engine, GroupID group, uint32 flags)
{
EngineRenew *er;
/* Check if the old vehicle is already in the list */
er = GetEngineReplacement(*erl, old_engine, group);
if (er != NULL) {
if (flags & DC_EXEC) er->to = new_engine;
return CommandCost();
}
er = new EngineRenew(old_engine, new_engine);
if (er == NULL) return CMD_ERROR;
AutoPtrT<EngineRenew> er_auto_delete = er;
if (flags & DC_EXEC) {
er->group_id = group;
/* Insert before the first element */
er->next = (EngineRenew *)(*erl);
*erl = (EngineRenewList)er;
er_auto_delete.Detach();
}
return CommandCost();
}
CommandCost RemoveEngineReplacement(EngineRenewList *erl, EngineID engine, GroupID group, uint32 flags)
{
EngineRenew *er = (EngineRenew *)(*erl);
EngineRenew *prev = NULL;
while (er)
{
if (er->from == engine && er->group_id == group) {
if (flags & DC_EXEC) {
if (prev == NULL) { // First element
/* The second becomes the new first element */
*erl = (EngineRenewList)er->next;
} else {
/* Cut this element out */
prev->next = er->next;
}
delete er;
}
return CommandCost();
}
prev = er;
er = er->next;
}
return CMD_ERROR;
}
static const SaveLoad _engine_renew_desc[] = {
SLE_VAR(EngineRenew, from, SLE_UINT16),
SLE_VAR(EngineRenew, to, SLE_UINT16),
SLE_REF(EngineRenew, next, REF_ENGINE_RENEWS),
SLE_CONDVAR(EngineRenew, group_id, SLE_UINT16, 60, SL_MAX_VERSION),
SLE_END()
};
static void Save_ERNW()
{
EngineRenew *er;
FOR_ALL_ENGINE_RENEWS(er) {
SlSetArrayIndex(er->index);
SlObject(er, _engine_renew_desc);
}
}
static void Load_ERNW()
{
int index;
while ((index = SlIterateArray()) != -1) {
EngineRenew *er = new (index) EngineRenew();
SlObject(er, _engine_renew_desc);
/* Advanced vehicle lists, ungrouped vehicles got added */
if (CheckSavegameVersion(60)) {
er->group_id = ALL_GROUP;
} else if (CheckSavegameVersion(71)) {
if (er->group_id == DEFAULT_GROUP) er->group_id = ALL_GROUP;
}
}
}
static const SaveLoad _engine_desc[] = {
SLE_CONDVAR(Engine, intro_date, SLE_FILE_U16 | SLE_VAR_I32, 0, 30),
SLE_CONDVAR(Engine, intro_date, SLE_INT32, 31, SL_MAX_VERSION),
SLE_CONDVAR(Engine, age, SLE_FILE_U16 | SLE_VAR_I32, 0, 30),
SLE_CONDVAR(Engine, age, SLE_INT32, 31, SL_MAX_VERSION),
SLE_VAR(Engine, reliability, SLE_UINT16),
SLE_VAR(Engine, reliability_spd_dec, SLE_UINT16),
SLE_VAR(Engine, reliability_start, SLE_UINT16),
SLE_VAR(Engine, reliability_max, SLE_UINT16),
SLE_VAR(Engine, reliability_final, SLE_UINT16),
SLE_VAR(Engine, duration_phase_1, SLE_UINT16),
SLE_VAR(Engine, duration_phase_2, SLE_UINT16),
SLE_VAR(Engine, duration_phase_3, SLE_UINT16),
SLE_VAR(Engine, lifelength, SLE_UINT8),
SLE_VAR(Engine, flags, SLE_UINT8),
SLE_VAR(Engine, preview_player, SLE_UINT8),
SLE_VAR(Engine, preview_wait, SLE_UINT8),
SLE_CONDNULL(1, 0, 44),
SLE_VAR(Engine, player_avail, SLE_UINT8),
/* reserve extra space in savegame here. (currently 16 bytes) */
SLE_CONDNULL(16, 2, SL_MAX_VERSION),
SLE_END()
};
static void Save_ENGN()
{
uint i;
for (i = 0; i != lengthof(_engines); i++) {
SlSetArrayIndex(i);
SlObject(&_engines[i], _engine_desc);
}
}
static void Load_ENGN()
{
int index;
while ((index = SlIterateArray()) != -1) {
SlObject(GetEngine(index), _engine_desc);
}
}
static void LoadSave_ENGS()
{
SlArray(_engine_name_strings, lengthof(_engine_name_strings), SLE_STRINGID);
}
extern const ChunkHandler _engine_chunk_handlers[] = {
{ 'ENGN', Save_ENGN, Load_ENGN, CH_ARRAY },
{ 'ENGS', LoadSave_ENGS, LoadSave_ENGS, CH_RIFF },
{ 'ERNW', Save_ERNW, Load_ERNW, CH_ARRAY | CH_LAST},
};
void InitializeEngines()
{
/* Clean the engine renew pool and create 1 block in it */
_EngineRenew_pool.CleanPool();
_EngineRenew_pool.AddBlockToPool();
}
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