3

/*

     4

 * Next part is in Dutch, and only here for me, TrueLight, the maker of this new AI

     5

 */

     6

     7

// TODO: als iemand een vehicle stil zet op een weg waar de AI wil bouwen

     8

//         doet de AI helemaal niets meer

     9

// TODO: depot rondjes rijden stom iets dingus

    10

// TODO: jezelf afvragen of competitor_intelligence op niveau 2 wel meer geld moet opleverne...

    11

// TODO: als er iets in path komt, bouwt AI gewoon verder :(

    12

// TODO: mail routes

    13

    14

// FIXME: This code is horrible. Indisputably from the style POV, at least. --pasky

    15

    16

/*

    17

 * End of Dutch part

    18

 */

    19

    20

#include "stdafx.h"

    21

#include "openttd.h"

    22

#include "debug.h"

    23

#include "functions.h"

    24

#include "table/strings.h"

    25

#include "map.h"

    26

#include "tile.h"

    27

#include "command.h"

    28

#include "ai_new.h"

    29

#include "town.h"

    30

#include "industry.h"

    31

#include "station.h"

    32

#include "engine.h"

    33

#include "gui.h"

    34

#include "depot.h"

    35

    36

// This function is called after StartUp. It is the init of an AI

    37

static void AiNew_State_FirstTime(Player *p) {

    38

    // This assert is used to protect those function from misuse

    39

    //   You have quickly a small mistake in the state-array

    40

    //   With that, everything would go wrong. Finding that, is almost impossible

    41

    //   With this assert, that problem can never happen.

    42

    assert(p->ainew.state == AI_STATE_FIRST_TIME);

    43

	// We first have to init some things

    44

    45

	if (_current_player == 1) {

    46

		ShowErrorMessage(-1, TEMP_AI_IN_PROGRESS, 0, 0);

    47

	}

    48

    49

	// The PathFinder (AyStar)

    50

	// TODO: Maybe when an AI goes bankrupt, this is de-init

    51

	//  or when coming from a savegame.. should be checked out!

    52

    p->ainew.path_info.start_tile_tl = 0;

    53

    p->ainew.path_info.start_tile_br = 0;

    54

    p->ainew.path_info.end_tile_tl = 0;

    55

    p->ainew.path_info.end_tile_br = 0;

    56

	p->ainew.pathfinder = new_AyStar_AiPathFinder(12, &p->ainew.path_info);

    57

    58

	p->ainew.idle = 0;

    59

	p->ainew.last_vehiclecheck_date = _date;

    60

    61

	// We ALWAYS start with a bus route.. just some basic money ;)

    62

	p->ainew.action = AI_ACTION_BUS_ROUTE;

    63

    64

	// Let's popup the news, and after that, start building..

    65

	p->ainew.state = AI_STATE_WAKE_UP;

    66

}

    67

    68

// This function just waste some time

    69

//  It keeps it more real. The AI can build on such tempo no normal user

    70

//  can ever keep up with that. The competitor_speed already delays a bit

    71

//  but after the AI finished a track it really needs to go to sleep.

    72

//

    73

// Let's say, we sleep between one and three days if the AI is put on Very Fast.

    74

//  This means that on Very Slow it will be between 16 and 48 days.. slow enough?

    75

static void AiNew_State_Nothing(Player *p) {

    76

    assert(p->ainew.state == AI_STATE_NOTHING);

    77

    // If we are done idling, start over again

    78

	if (p->ainew.idle == 0) p->ainew.idle = RandomRange(DAY_TICKS * 2) + DAY_TICKS;

    79

	if (--p->ainew.idle == 0) {

    80

		// We are done idling.. what you say? Let's do something!

    81

		// I mean.. the next tick ;)

    82

		p->ainew.state = AI_STATE_WAKE_UP;

    83

	}

    84

}

    85

    86

// This function picks out a task we are going to do.

    87

//  Currently supported:

    88

//    - Make new route

    89

//    - Check route

    90

//    - Build HQ

    91

static void AiNew_State_WakeUp(Player *p) {

    92

	int32 money;

    93

	int c;

    94

	assert(p->ainew.state == AI_STATE_WAKE_UP);

    95

	// First, check if we have a HQ

    96

	if (p->location_of_house == 0) {

    97

		// We have no HQ yet, build one on a random place

    98

		// Random till we found a place for it!

    99

		// TODO: this should not be on a random place..

   100

		AiNew_Build_CompanyHQ(p, Random() % MapSize());

   101

		// Enough for now, but we want to come back here the next time

   102

		//  so we do not change any status

   103

		return;

   104

	}

   105

   106

	money = p->player_money - AI_MINIMUM_MONEY;

   107

   108

	// Let's pick an action!

   109

	if (p->ainew.action == AI_ACTION_NONE) {

   110

		c = Random() & 0xFF;

   111

		if (p->current_loan > 0 && p->old_economy[1].income > AI_MINIMUM_INCOME_FOR_LOAN &&

   112

  			c < 10) {

   113

  			p->ainew.action = AI_ACTION_REPAY_LOAN;

   114

		} else if (p->ainew.last_vehiclecheck_date + AI_DAYS_BETWEEN_VEHICLE_CHECKS < _date) {

   115

			// Check all vehicles once in a while

   116

			p->ainew.action = AI_ACTION_CHECK_ALL_VEHICLES;

   117

			p->ainew.last_vehiclecheck_date = _date;

   118

		} else if (c < 100 && !_patches.ai_disable_veh_roadveh) {

   119

			// Do we have any spots for road-vehicles left open?

   120

			if (GetFreeUnitNumber(VEH_Road) <= _patches.max_roadveh) {

   121

				if (c < 85) p->ainew.action = AI_ACTION_TRUCK_ROUTE;

   122

				else p->ainew.action = AI_ACTION_BUS_ROUTE;

   123

			}

   124

		}/* else if (c < 200 && !_patches.ai_disable_veh_train) {

   125

			if (GetFreeUnitNumber(VEH_Train) <= _patches.max_trains) {

   126

				p->ainew.action = AI_ACTION_TRAIN_ROUTE;

   127

			}

   128

		}*/

   129

   130

		p->ainew.counter = 0;

   131

	}

   132

   133

	if (p->ainew.counter++ > AI_MAX_TRIES_FOR_SAME_ROUTE) {

   134

		p->ainew.action = AI_ACTION_NONE;

   135

		return;

   136

	}

   137

   138

	if (_patches.ai_disable_veh_roadveh && (

   139

		p->ainew.action == AI_ACTION_BUS_ROUTE || p->ainew.action == AI_ACTION_TRUCK_ROUTE)) {

   140

		p->ainew.action = AI_ACTION_NONE;

   141

		return;

   142

	}

   143

   144

	if (_patches.ai_disable_veh_roadveh && (

   145

		p->ainew.action == AI_ACTION_BUS_ROUTE || p->ainew.action == AI_ACTION_TRUCK_ROUTE)) {

   146

		p->ainew.action = AI_ACTION_NONE;

   147

		return;

   148

	}

   149

   150

	if (p->ainew.action == AI_ACTION_REPAY_LOAN && money > AI_MINIMUM_LOAN_REPAY_MONEY) {

   151

		// We start repaying some money..

   152

		p->ainew.state = AI_STATE_REPAY_MONEY;

   153

		return;

   154

	}

   155

   156

	if (p->ainew.action == AI_ACTION_CHECK_ALL_VEHICLES) {

   157

		p->ainew.state = AI_STATE_CHECK_ALL_VEHICLES;

   158

		return;

   159

	}

   160

   161

	// It is useless to start finding a route if we don't have enough money

   162

	//  to build the route anyway..

   163

	if (p->ainew.action == AI_ACTION_BUS_ROUTE && money > AI_MINIMUM_BUS_ROUTE_MONEY) {

   164

		if (GetFreeUnitNumber(VEH_Road) > _patches.max_roadveh) {

   165

			p->ainew.action = AI_ACTION_NONE;

   166

			return;

   167

		}

   168

		p->ainew.cargo = AI_NEED_CARGO;

   169

		p->ainew.state = AI_STATE_LOCATE_ROUTE;

   170

		p->ainew.tbt = AI_BUS; // Bus-route

   171

		return;

   172

	}

   173

	if (p->ainew.action == AI_ACTION_TRUCK_ROUTE && money > AI_MINIMUM_TRUCK_ROUTE_MONEY) {

   174

		if (GetFreeUnitNumber(VEH_Road) > _patches.max_roadveh) {

   175

			p->ainew.action = AI_ACTION_NONE;

   176

			return;

   177

		}

   178

		p->ainew.cargo = AI_NEED_CARGO;

   179

		p->ainew.last_id = 0;

   180

		p->ainew.state = AI_STATE_LOCATE_ROUTE;

   181

		p->ainew.tbt = AI_TRUCK;

   182

		return;

   183

	}

   184

   185

	p->ainew.state = AI_STATE_NOTHING;

   186

}

   187

   188

static void AiNew_State_ActionDone(Player *p) {

   189

	p->ainew.action = AI_ACTION_NONE;

   190

	p->ainew.state = AI_STATE_NOTHING;

   191

}

   192

   193

// Check if a city or industry is good enough to start a route there

   194

static bool AiNew_Check_City_or_Industry(Player *p, int ic, byte type) {

   195

	if (type == AI_CITY) {

   196

		Town *t = GetTown(ic);

   197

		Station *st;

   198

		uint count = 0;

   199

		int j = 0;

   200

   201

		// We don't like roadconstructions, don't even true such a city

   202

		if (t->road_build_months != 0) return false;

   203

   204

		// Check if the rating in a city is high enough

   205

		//  If not, take a chance if we want to continue

   206

		if (t->ratings[_current_player] < 0 && CHANCE16(1,4)) return false;

   207

   208

		if (t->max_pass - t->act_pass < AI_CHECKCITY_NEEDED_CARGO && !CHANCE16(1,AI_CHECKCITY_CITY_CHANCE)) return false;

   209

   210

		// Check if we have build a station in this town the last 6 months

   211

		//  else we don't do it. This is done, because stat updates can be slow

   212

		//  and sometimes it takes up to 4 months before the stats are corectly.

   213

		//  This way we don't get 12 busstations in one city of 100 population ;)

   214

		FOR_ALL_STATIONS(st) {

   215

			// Is it an active station

   216

			if (st->xy == 0) continue;

   217

			// Do we own it?

   218

			if (st->owner == _current_player) {

   219

				// Are we talking busses?

   220

				if (p->ainew.tbt == AI_BUS && (FACIL_BUS_STOP & st->facilities) != FACIL_BUS_STOP) continue;

   221

				// Is it the same city as we are in now?

   222

				if (st->town != t) continue;

   223

				// When was this station build?

   224

				if (_date - st->build_date < AI_CHECKCITY_DATE_BETWEEN) return false;

   225

				// Cound the amount of stations in this city that we own

   226

				count++;

   227

			} else {

   228

				// We do not own it, request some info about the station

   229

				//  we want to know if this station gets the same good. If so,

   230

				//  we want to know its rating. If it is too high, we are not going

   231

				//  to build there

   232

				if (!st->goods[CT_PASSENGERS].last_speed) continue;

   233

				// Is it around our city

   234

				if (DistanceManhattan(st->xy, t->xy) > 10) continue;

   235

				// It does take this cargo.. what is his rating?

   236

				if (st->goods[CT_PASSENGERS].rating < AI_CHECKCITY_CARGO_RATING) continue;

   237

				j++;

   238

				// When this is the first station, we build a second with no problem ;)

   239

				if (j == 1) continue;

   240

				// The rating is high.. second station...

   241

				//  a little chance that we still continue

   242

				//  But if there are 3 stations of this size, we never go on...

   243

				if (j == 2 && CHANCE16(1, AI_CHECKCITY_CARGO_RATING_CHANCE)) continue;

   244

				// We don't like this station :(

   245

				return false;

   246

			}

   247

		}

   248

   249

		// We are about to add one...

   250

		count++;

   251

		// Check if we the city can provide enough cargo for this amount of stations..

   252

		if (count * AI_CHECKCITY_CARGO_PER_STATION > t->max_pass) return false;

   253

   254

		// All check are okay, so we can build here!

   255

		return true;

   256

	}

   257

	if (type == AI_INDUSTRY) {

   258

		Industry *i = GetIndustry(ic);

   259

		Station *st;

   260

		int count = 0;

   261

		int j = 0;

   262

   263

		if (i->town != NULL && i->town->ratings[_current_player] < 0 && CHANCE16(1,4)) return false;

   264

   265

		// No limits on delevering stations!

   266

		//  Or for industry that does not give anything yet

   267

		if (i->produced_cargo[0] == 0xFF || i->total_production[0] == 0) return true;

   268

   269

		if (i->total_production[0] - i->total_transported[0] < AI_CHECKCITY_NEEDED_CARGO) return false;

   270

   271

		// Check if we have build a station in this town the last 6 months

   272

		//  else we don't do it. This is done, because stat updates can be slow

   273

		//  and sometimes it takes up to 4 months before the stats are corectly.

   274

		FOR_ALL_STATIONS(st) {

   275

			// Is it an active station

   276

			if (st->xy == 0) continue;

   277

   278

			// Do we own it?

   279

			if (st->owner == _current_player) {

   280

				// Are we talking trucks?

   281

				if (p->ainew.tbt == AI_TRUCK && (FACIL_TRUCK_STOP & st->facilities) != FACIL_TRUCK_STOP) continue;

   282

				// Is it the same city as we are in now?

   283

				if (st->town != i->town) continue;

   284

				// When was this station build?

   285

				if (_date - st->build_date < AI_CHECKCITY_DATE_BETWEEN) return false;

   286

				// Cound the amount of stations in this city that we own

   287

				count++;

   288

			} else {

   289

				// We do not own it, request some info about the station

   290

				//  we want to know if this station gets the same good. If so,

   291

				//  we want to know its rating. If it is too high, we are not going

   292

				//  to build there

   293

				if (i->produced_cargo[0] == 0xFF) continue;

   294

				// It does not take this cargo

   295

				if (!st->goods[i->produced_cargo[0]].last_speed) continue;

   296

				// Is it around our industry

   297

				if (DistanceManhattan(st->xy, i->xy) > 5) continue;

   298

				// It does take this cargo.. what is his rating?

   299

				if (st->goods[i->produced_cargo[0]].rating < AI_CHECKCITY_CARGO_RATING) continue;

   300

				j++;

   301

				// The rating is high.. a little chance that we still continue

   302

				//  But if there are 2 stations of this size, we never go on...

   303

				if (j == 1 && CHANCE16(1, AI_CHECKCITY_CARGO_RATING_CHANCE)) continue;

   304

				// We don't like this station :(

   305

				return false;

   306

			}

   307

		}

   308

   309

		// We are about to add one...

   310

		count++;

   311

		// Check if we the city can provide enough cargo for this amount of stations..

   312

		if (count * AI_CHECKCITY_CARGO_PER_STATION > i->total_production[0]) return false;

   313

   314

		// All check are okay, so we can build here!

   315

		return true;

   316

	}

   317

   318

	return true;

   319

}

   320

   321

// This functions tries to locate a good route

   322

static void AiNew_State_LocateRoute(Player *p) {

   323

    assert(p->ainew.state == AI_STATE_LOCATE_ROUTE);

   324

    // For now, we only support PASSENGERS, CITY and BUSSES

   325

   326

    // We don't have a route yet

   327

    if (p->ainew.cargo == AI_NEED_CARGO) {

   328

    	p->ainew.new_cost = 0; // No cost yet

   329

    	p->ainew.temp = -1;

   330

    	// Reset the counter

   331

    	p->ainew.counter = 0;

   332

   333

    	p->ainew.from_ic = -1;

   334

    	p->ainew.to_ic = -1;

   335

   	    if (p->ainew.tbt == AI_BUS) {

   336

   	    	// For now we only have a passenger route

   337

   	    	p->ainew.cargo = CT_PASSENGERS;

   338

   339

	    	// Find a route to cities

   340

	    	p->ainew.from_type = AI_CITY;

   341

	    	p->ainew.to_type = AI_CITY;

   342

		} else if (p->ainew.tbt == AI_TRUCK) {

   343

   	    	p->ainew.cargo = AI_NO_CARGO;

   344

   345

	    	p->ainew.from_type = AI_INDUSTRY;

   346

	    	p->ainew.to_type = AI_INDUSTRY;

   347

		}

   348

   349

    	// Now we are doing initing, we wait one tick

   350

    	return;

   351

    }

   352

   353

    // Increase the counter and abort if it is taking too long!

   354

    p->ainew.counter++;

   355

    if (p->ainew.counter > AI_LOCATE_ROUTE_MAX_COUNTER) {

   356

        // Switch back to doing nothing!

   357

    	p->ainew.state = AI_STATE_NOTHING;

   358

    	return;

   359

    }

   360

   361

    // We are going to locate a city from where we are going to connect

   362

    if (p->ainew.from_ic == -1) {

   363

        if (p->ainew.temp == -1) {

   364

        	// First, we pick a random spot to search from

   365

        	if (p->ainew.from_type == AI_CITY)

   366

        		p->ainew.temp = RandomRange(_total_towns);

   367

       		else

   368

        		p->ainew.temp = RandomRange(_total_industries);

   369

        }

   370

   371

    	if (!AiNew_Check_City_or_Industry(p, p->ainew.temp, p->ainew.from_type)) {

   372

    		// It was not a valid city

   373

    		//  increase the temp with one, and return. We will come back later here

   374

    		//  to try again

   375

    		p->ainew.temp++;

   376

				if (p->ainew.from_type == AI_CITY) {

   377

					if (p->ainew.temp >= (int)_total_towns) p->ainew.temp = 0;

   378

				} else {

   379

					if (p->ainew.temp >= _total_industries) p->ainew.temp = 0;

   380

				}

   381

   382

        	// Don't do an attempt if we are trying the same id as the last time...

   383

        	if (p->ainew.last_id == p->ainew.temp) return;

   384

        	p->ainew.last_id = p->ainew.temp;

   385

   386

    		return;

   387

    	}

   388

   389

    	// We found a good city/industry, save the data of it

   390

    	p->ainew.from_ic = p->ainew.temp;

   391

   392

    	// Start the next tick with finding a to-city

   393

    	p->ainew.temp = -1;

   394

    	return;

   395

    }

   396

   397

    // Find a to-city

   398

    if (p->ainew.temp == -1) {

   399

       	// First, we pick a random spot to search to

   400

       	if (p->ainew.to_type == AI_CITY)

   401

       		p->ainew.temp = RandomRange(_total_towns);

   402

       	else

   403

       		p->ainew.temp = RandomRange(_total_industries);

   404

	}

   405

   406

	// The same city is not allowed

   407

	// Also check if the city is valid

   408

   	if (p->ainew.temp != p->ainew.from_ic && AiNew_Check_City_or_Industry(p, p->ainew.temp, p->ainew.to_type)) {

   409

   		// Maybe it is valid..

   410

   411

   		// We need to know if they are not to far apart from eachother..

   412

   		// We do that by checking how much cargo we have to move and how long the route

   413

   		//   is.

   414

   415

   		if (p->ainew.from_type == AI_CITY && p->ainew.tbt == AI_BUS) {

   416

   			int max_cargo = GetTown(p->ainew.from_ic)->max_pass + GetTown(p->ainew.temp)->max_pass;

   417

   			max_cargo -= GetTown(p->ainew.from_ic)->act_pass + GetTown(p->ainew.temp)->act_pass;

   418

   			// max_cargo is now the amount of cargo we can move between the two cities

   419

   			// If it is more than the distance, we allow it

   420

   			if (DistanceManhattan(GetTown(p->ainew.from_ic)->xy, GetTown(p->ainew.temp)->xy) <= max_cargo * AI_LOCATEROUTE_BUS_CARGO_DISTANCE) {

   421

   				// We found a good city/industry, save the data of it

   422

   				p->ainew.to_ic = p->ainew.temp;

   423

   				p->ainew.state = AI_STATE_FIND_STATION;

   424

   425

   				DEBUG(ai,1)(

   426

						"[AiNew - LocateRoute] Found bus-route of %d tiles long (from %d to %d)",

   427

						DistanceManhattan(GetTown(p->ainew.from_ic)->xy, GetTown(p->ainew.temp)->xy),

   428

						p->ainew.from_ic,

   429

						p->ainew.temp

   430

					);

   431

   432

   				p->ainew.from_tile = 0;

   433

   				p->ainew.to_tile = 0;

   434

   435

   				return;

   436

   			}

   437

   		} else if (p->ainew.tbt == AI_TRUCK) {

   438

         	bool found = false;

   439

         	int max_cargo = 0;

   440

         	int i;

   441

         	// TODO: in max_cargo, also check other cargo (beside [0])

   442

         	// First we check if the from_ic produces cargo that this ic accepts

   443

         	if (GetIndustry(p->ainew.from_ic)->produced_cargo[0] != 0xFF && GetIndustry(p->ainew.from_ic)->total_production[0] != 0) {

   444

	         	for (i=0;i<3;i++) {

   445

	         		if (GetIndustry(p->ainew.temp)->accepts_cargo[i] == 0xFF) break;

   446

					if (GetIndustry(p->ainew.from_ic)->produced_cargo[0] == GetIndustry(p->ainew.temp)->accepts_cargo[i]) {

   447

						// Found a compatbiel industry

   448

						max_cargo = GetIndustry(p->ainew.from_ic)->total_production[0] - GetIndustry(p->ainew.from_ic)->total_transported[0];

   449

						found = true;

   450

	   					p->ainew.from_deliver = true;

   451

	   					p->ainew.to_deliver = false;

   452

	       				break;

   453

	       			}

   454

	       		}

   455

   			}

   456

   			if (!found && GetIndustry(p->ainew.temp)->produced_cargo[0] != 0xFF && GetIndustry(p->ainew.temp)->total_production[0] != 0) {

   457

   				// If not check if the current ic produces cargo that the from_ic accepts

   458

	         	for (i=0;i<3;i++) {

   459

	         		if (GetIndustry(p->ainew.from_ic)->accepts_cargo[i] == 0xFF) break;

   460

					if (GetIndustry(p->ainew.temp)->produced_cargo[0] == GetIndustry(p->ainew.from_ic)->accepts_cargo[i]) {

   461

						// Found a compatbiel industry

   462

						found = true;

   463

						max_cargo = GetIndustry(p->ainew.temp)->total_production[0] - GetIndustry(p->ainew.from_ic)->total_transported[0];

   464

	   					p->ainew.from_deliver = false;

   465

	   					p->ainew.to_deliver = true;

   466

	       				break;

   467

	       			}

   468

	   			}

   469

   			}

   470

   			if (found) {

   471

   				// Yeah, they are compatible!!!

   472

   				// Check the length against the amount of goods

   473

   				if (DistanceManhattan(GetIndustry(p->ainew.from_ic)->xy, GetIndustry(p->ainew.temp)->xy) > AI_LOCATEROUTE_TRUCK_MIN_DISTANCE &&

   474

       				DistanceManhattan(GetIndustry(p->ainew.from_ic)->xy, GetIndustry(p->ainew.temp)->xy) <= max_cargo * AI_LOCATEROUTE_TRUCK_CARGO_DISTANCE) {

   475

	   				p->ainew.to_ic = p->ainew.temp;

   476

	   				if (p->ainew.from_deliver) {

   477

	   					p->ainew.cargo = GetIndustry(p->ainew.from_ic)->produced_cargo[0];

   478

	   				} else {

   479

   						p->ainew.cargo = GetIndustry(p->ainew.temp)->produced_cargo[0];

   480

   					}

   481

	   				p->ainew.state = AI_STATE_FIND_STATION;

   482

   483

	   				DEBUG(ai,1)(

   484

							"[AiNew - LocateRoute] Found truck-route of %d tiles long (from %d to %d)",

   485

							DistanceManhattan(GetIndustry(p->ainew.from_ic)->xy, GetIndustry(p->ainew.temp)->xy),

   486

							p->ainew.from_ic,

   487

							p->ainew.temp

   488

						);