OpenTTD Source  20241108-master-g80f628063a
newgrf_industries.cpp
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1 /*
2  * This file is part of OpenTTD.
3  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
4  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
5  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
6  */
7 
10 #include "stdafx.h"
11 #include "debug.h"
12 #include "industry.h"
13 #include "newgrf_industries.h"
14 #include "newgrf_town.h"
15 #include "newgrf_cargo.h"
16 #include "window_func.h"
17 #include "town.h"
18 #include "company_base.h"
19 #include "error.h"
20 #include "strings_func.h"
21 #include "core/random_func.hpp"
23 
24 #include "table/strings.h"
25 
26 #include "safeguards.h"
27 
28 /* Since the industry IDs defined by the GRF file don't necessarily correlate
29  * to those used by the game, the IDs used for overriding old industries must be
30  * translated when the idustry spec is set. */
33 
40 IndustryType MapNewGRFIndustryType(IndustryType grf_type, uint32_t grf_id)
41 {
42  if (grf_type == IT_INVALID) return IT_INVALID;
43  if (!HasBit(grf_type, 7)) return GB(grf_type, 0, 7);
44 
45  return _industry_mngr.GetID(GB(grf_type, 0, 7), grf_id);
46 }
47 
56 uint32_t GetIndustryIDAtOffset(TileIndex tile, const Industry *i, uint32_t cur_grfid)
57 {
58  if (!i->TileBelongsToIndustry(tile)) {
59  /* No industry and/or the tile does not have the same industry as the one we match it with */
60  return 0xFFFF;
61  }
62 
63  IndustryGfx gfx = GetCleanIndustryGfx(tile);
64  const IndustryTileSpec *indtsp = GetIndustryTileSpec(gfx);
65 
66  if (gfx < NEW_INDUSTRYTILEOFFSET) { // Does it belongs to an old type?
67  /* It is an old tile. We have to see if it's been overridden */
68  if (indtsp->grf_prop.override == INVALID_INDUSTRYTILE) { // has it been overridden?
69  return 0xFF << 8 | gfx; // no. Tag FF + the gfx id of that tile
70  }
71  /* Overridden */
72  const IndustryTileSpec *tile_ovr = GetIndustryTileSpec(indtsp->grf_prop.override);
73 
74  if (tile_ovr->grf_prop.grffile->grfid == cur_grfid) {
75  return tile_ovr->grf_prop.local_id; // same grf file
76  } else {
77  return 0xFFFE; // not the same grf file
78  }
79  }
80  /* Not an 'old type' tile */
81  if (indtsp->grf_prop.spritegroup[0] != nullptr) { // tile has a spritegroup ?
82  if (indtsp->grf_prop.grffile->grfid == cur_grfid) { // same industry, same grf ?
83  return indtsp->grf_prop.local_id;
84  } else {
85  return 0xFFFE; // Defined in another grf file
86  }
87  }
88  /* The tile has no spritegroup */
89  return 0xFF << 8 | indtsp->grf_prop.subst_id; // so just give it the substitute
90 }
91 
92 static uint32_t GetClosestIndustry(TileIndex tile, IndustryType type, const Industry *current)
93 {
94  uint32_t best_dist = UINT32_MAX;
95  for (const Industry *i : Industry::Iterate()) {
96  if (i->type != type || i == current) continue;
97 
98  best_dist = std::min(best_dist, DistanceManhattan(tile, i->location.tile));
99  }
100 
101  return best_dist;
102 }
103 
114 static uint32_t GetCountAndDistanceOfClosestInstance(uint8_t param_setID, uint8_t layout_filter, bool town_filter, const Industry *current)
115 {
116  uint32_t GrfID = GetRegister(0x100);
117  IndustryType ind_index;
118  uint32_t closest_dist = UINT32_MAX;
119  uint8_t count = 0;
120 
121  /* Determine what will be the industry type to look for */
122  switch (GrfID) {
123  case 0: // this is a default industry type
124  ind_index = param_setID;
125  break;
126 
127  case 0xFFFFFFFF: // current grf
128  GrfID = GetIndustrySpec(current->type)->grf_prop.grffile->grfid;
129  [[fallthrough]];
130 
131  default: // use the grfid specified in register 100h
132  SetBit(param_setID, 7); // bit 7 means it is not an old type
133  ind_index = MapNewGRFIndustryType(param_setID, GrfID);
134  break;
135  }
136 
137  /* If the industry type is invalid, there is none and the closest is far away. */
138  if (ind_index >= NUM_INDUSTRYTYPES) return 0 | 0xFFFF;
139 
140  if (layout_filter == 0 && !town_filter) {
141  /* If the filter is 0, it could be because none was specified as well as being really a 0.
142  * In either case, just do the regular var67 */
143  closest_dist = GetClosestIndustry(current->location.tile, ind_index, current);
144  count = ClampTo<uint8_t>(Industry::GetIndustryTypeCount(ind_index));
145  } else {
146  /* Count only those who match the same industry type and layout filter
147  * Unfortunately, we have to do it manually */
148  for (const Industry *i : Industry::Iterate()) {
149  if (i->type == ind_index && i != current && (i->selected_layout == layout_filter || layout_filter == 0) && (!town_filter || i->town == current->town)) {
150  closest_dist = std::min(closest_dist, DistanceManhattan(current->location.tile, i->location.tile));
151  count++;
152  }
153  }
154  }
155 
156  return count << 16 | GB(closest_dist, 0, 16);
157 }
158 
159 /* virtual */ uint32_t IndustriesScopeResolver::GetVariable(uint8_t variable, [[maybe_unused]] uint32_t parameter, bool &available) const
160 {
161  if (this->ro.callback == CBID_INDUSTRY_LOCATION) {
162  /* Variables available during construction check. */
163 
164  switch (variable) {
165  case 0x80: return this->tile.base();
166  case 0x81: return GB(this->tile.base(), 8, 8);
167 
168  /* Pointer to the town the industry is associated with */
169  case 0x82: return this->industry->town->index;
170  case 0x83:
171  case 0x84:
172  case 0x85: Debug(grf, 0, "NewGRFs shouldn't be doing pointer magic"); break; // not supported
173 
174  /* Number of the layout */
175  case 0x86: return this->industry->selected_layout;
176 
177  /* Ground type */
178  case 0x87: return GetTerrainType(this->tile);
179 
180  /* Town zone */
181  case 0x88: return GetTownRadiusGroup(this->industry->town, this->tile);
182 
183  /* Manhattan distance of the closest town */
184  case 0x89: return ClampTo<uint8_t>(DistanceManhattan(this->industry->town->xy, this->tile));
185 
186  /* Lowest height of the tile */
187  case 0x8A: return ClampTo<uint8_t>(GetTileZ(this->tile) * (this->ro.grffile->grf_version >= 8 ? 1 : TILE_HEIGHT));
188 
189  /* Distance to the nearest water/land tile */
190  case 0x8B: return GetClosestWaterDistance(this->tile, (GetIndustrySpec(this->industry->type)->behaviour & INDUSTRYBEH_BUILT_ONWATER) == 0);
191 
192  /* Square of Euclidian distance from town */
193  case 0x8D: return ClampTo<uint16_t>(DistanceSquare(this->industry->town->xy, this->tile));
194 
195  /* 32 random bits */
196  case 0x8F: return this->random_bits;
197  }
198  }
199 
200  const IndustrySpec *indspec = GetIndustrySpec(this->type);
201 
202  if (this->industry == nullptr) {
203  Debug(grf, 1, "Unhandled variable 0x{:X} (no available industry) in callback 0x{:x}", variable, this->ro.callback);
204 
205  available = false;
206  return UINT_MAX;
207  }
208 
209  switch (variable) {
210  case 0x40:
211  case 0x41:
212  case 0x42: { // waiting cargo, but only if those two callback flags are set
213  uint16_t callback = indspec->callback_mask;
215  if ((indspec->behaviour & INDUSTRYBEH_PROD_MULTI_HNDLING) != 0) {
216  if (this->industry->prod_level == 0) return 0;
217  return ClampTo<uint16_t>(this->industry->GetAccepted(variable - 0x40).waiting / this->industry->prod_level);
218  } else {
219  return ClampTo<uint16_t>(this->industry->GetAccepted(variable - 0x40).waiting);
220  }
221  } else {
222  return 0;
223  }
224  }
225 
226  /* Manhattan distance of closes dry/water tile */
227  case 0x43:
228  if (this->tile == INVALID_TILE) break;
229  return GetClosestWaterDistance(this->tile, (indspec->behaviour & INDUSTRYBEH_BUILT_ONWATER) == 0);
230 
231  /* Layout number */
232  case 0x44: return this->industry->selected_layout;
233 
234  /* Company info */
235  case 0x45: {
236  uint8_t colours = 0;
237  bool is_ai = false;
238 
239  const Company *c = Company::GetIfValid(this->industry->founder);
240  if (c != nullptr) {
241  const Livery *l = &c->livery[LS_DEFAULT];
242 
243  is_ai = c->is_ai;
244  colours = l->colour1 + l->colour2 * 16;
245  }
246 
247  return this->industry->founder | (is_ai ? 0x10000 : 0) | (colours << 24);
248  }
249 
250  case 0x46: return this->industry->construction_date.base(); // Date when built - long format - (in days)
251 
252  /* Override flags from GS */
253  case 0x47: return this->industry->ctlflags;
254 
255  /* Get industry ID at offset param */
256  case 0x60: return GetIndustryIDAtOffset(GetNearbyTile(parameter, this->industry->location.tile, false), this->industry, this->ro.grffile->grfid);
257 
258  /* Get random tile bits at offset param */
259  case 0x61: {
260  if (this->tile == INVALID_TILE) break;
261  TileIndex tile = GetNearbyTile(parameter, this->tile, false);
262  return this->industry->TileBelongsToIndustry(tile) ? GetIndustryRandomBits(tile) : 0;
263  }
264 
265  /* Land info of nearby tiles */
266  case 0x62:
267  if (this->tile == INVALID_TILE) break;
268  return GetNearbyIndustryTileInformation(parameter, this->tile, INVALID_INDUSTRY, false, this->ro.grffile->grf_version >= 8);
269 
270  /* Animation stage of nearby tiles */
271  case 0x63: {
272  if (this->tile == INVALID_TILE) break;
273  TileIndex tile = GetNearbyTile(parameter, this->tile, false);
274  if (this->industry->TileBelongsToIndustry(tile)) {
275  return GetAnimationFrame(tile);
276  }
277  return 0xFFFFFFFF;
278  }
279 
280  /* Distance of nearest industry of given type */
281  case 0x64:
282  if (this->tile == INVALID_TILE) break;
283  return GetClosestIndustry(this->tile, MapNewGRFIndustryType(parameter, indspec->grf_prop.grffile->grfid), this->industry);
284  /* Get town zone and Manhattan distance of closest town */
285  case 0x65: {
286  if (this->tile == INVALID_TILE) break;
287  TileIndex tile = GetNearbyTile(parameter, this->tile, true);
288  return GetTownRadiusGroup(this->industry->town, tile) << 16 | ClampTo<uint16_t>(DistanceManhattan(tile, this->industry->town->xy));
289  }
290  /* Get square of Euclidian distance of closest town */
291  case 0x66: {
292  if (this->tile == INVALID_TILE) break;
293  TileIndex tile = GetNearbyTile(parameter, this->tile, true);
294  return DistanceSquare(tile, this->industry->town->xy);
295  }
296 
297  /* Count of industry, distance of closest instance
298  * 68 is the same as 67, but with a filtering on selected layout */
299  case 0x67:
300  case 0x68: {
301  uint8_t layout_filter = 0;
302  bool town_filter = false;
303  if (variable == 0x68) {
304  uint32_t reg = GetRegister(0x101);
305  layout_filter = GB(reg, 0, 8);
306  town_filter = HasBit(reg, 8);
307  }
308  return GetCountAndDistanceOfClosestInstance(parameter, layout_filter, town_filter, this->industry);
309  }
310 
311  case 0x69:
312  case 0x6A:
313  case 0x6B:
314  case 0x6C:
315  case 0x6D:
316  case 0x70:
317  case 0x71: {
318  CargoID cargo = GetCargoTranslation(parameter, this->ro.grffile);
319  if (!IsValidCargoID(cargo)) return 0;
320  auto it = this->industry->GetCargoProduced(cargo);
321  if (it == std::end(this->industry->produced)) return 0; // invalid cargo
322  switch (variable) {
323  case 0x69: return it->waiting;
324  case 0x6A: return it->history[THIS_MONTH].production;
325  case 0x6B: return it->history[THIS_MONTH].transported;
326  case 0x6C: return it->history[LAST_MONTH].production;
327  case 0x6D: return it->history[LAST_MONTH].transported;
328  case 0x70: return it->rate;
329  case 0x71: return it->history[LAST_MONTH].PctTransported();
330  default: NOT_REACHED();
331  }
332  }
333 
334 
335  case 0x6E:
336  case 0x6F: {
337  CargoID cargo = GetCargoTranslation(parameter, this->ro.grffile);
338  if (!IsValidCargoID(cargo)) return 0;
339  auto it = this->industry->GetCargoAccepted(cargo);
340  if (it == std::end(this->industry->accepted)) return 0; // invalid cargo
341  if (variable == 0x6E) return it->last_accepted.base();
342  if (variable == 0x6F) return it->waiting;
343  NOT_REACHED();
344  }
345 
346  /* Get a variable from the persistent storage */
347  case 0x7C: return (this->industry->psa != nullptr) ? this->industry->psa->GetValue(parameter) : 0;
348 
349  /* Industry structure access*/
350  case 0x80: return this->industry->location.tile.base();
351  case 0x81: return GB(this->industry->location.tile.base(), 8, 8);
352  /* Pointer to the town the industry is associated with */
353  case 0x82: return this->industry->town->index;
354  case 0x83:
355  case 0x84:
356  case 0x85: Debug(grf, 0, "NewGRFs shouldn't be doing pointer magic"); break; // not supported
357  case 0x86: return this->industry->location.w;
358  case 0x87: return this->industry->location.h;// xy dimensions
359 
360  case 0x88:
361  case 0x89: return this->industry->GetProduced(variable - 0x88).cargo;
362  case 0x8A: return this->industry->GetProduced(0).waiting;
363  case 0x8B: return GB(this->industry->GetProduced(0).waiting, 8, 8);
364  case 0x8C: return this->industry->GetProduced(1).waiting;
365  case 0x8D: return GB(this->industry->GetProduced(1).waiting, 8, 8);
366  case 0x8E:
367  case 0x8F: return this->industry->GetProduced(variable - 0x8E).rate;
368  case 0x90:
369  case 0x91:
370  case 0x92: return this->industry->GetAccepted(variable - 0x90).cargo;
371  case 0x93: return this->industry->prod_level;
372  /* amount of cargo produced so far THIS month. */
373  case 0x94: return this->industry->GetProduced(0).history[THIS_MONTH].production;
374  case 0x95: return GB(this->industry->GetProduced(0).history[THIS_MONTH].production, 8, 8);
375  case 0x96: return this->industry->GetProduced(1).history[THIS_MONTH].production;
376  case 0x97: return GB(this->industry->GetProduced(1).history[THIS_MONTH].production, 8, 8);
377  /* amount of cargo transported so far THIS month. */
378  case 0x98: return this->industry->GetProduced(0).history[THIS_MONTH].transported;
379  case 0x99: return GB(this->industry->GetProduced(0).history[THIS_MONTH].transported, 8, 8);
380  case 0x9A: return this->industry->GetProduced(1).history[THIS_MONTH].transported;
381  case 0x9B: return GB(this->industry->GetProduced(1).history[THIS_MONTH].transported, 8, 8);
382  /* fraction of cargo transported LAST month. */
383  case 0x9C:
384  case 0x9D: return this->industry->GetProduced(variable - 0x9C).history[LAST_MONTH].PctTransported();
385  /* amount of cargo produced LAST month. */
386  case 0x9E: return this->industry->GetProduced(0).history[LAST_MONTH].production;
387  case 0x9F: return GB(this->industry->GetProduced(0).history[LAST_MONTH].production, 8, 8);
388  case 0xA0: return this->industry->GetProduced(1).history[LAST_MONTH].production;
389  case 0xA1: return GB(this->industry->GetProduced(1).history[LAST_MONTH].production, 8, 8);
390  /* amount of cargo transported last month. */
391  case 0xA2: return this->industry->GetProduced(0).history[LAST_MONTH].transported;
392  case 0xA3: return GB(this->industry->GetProduced(0).history[LAST_MONTH].transported, 8, 8);
393  case 0xA4: return this->industry->GetProduced(1).history[LAST_MONTH].transported;
394  case 0xA5: return GB(this->industry->GetProduced(1).history[LAST_MONTH].transported, 8, 8);
395 
396  case 0xA6: return indspec->grf_prop.local_id;
397  case 0xA7: return this->industry->founder;
398  case 0xA8: return this->industry->random_colour;
399  case 0xA9: return ClampTo<uint8_t>(this->industry->last_prod_year - EconomyTime::ORIGINAL_BASE_YEAR);
400  case 0xAA: return this->industry->counter;
401  case 0xAB: return GB(this->industry->counter, 8, 8);
402  case 0xAC: return this->industry->was_cargo_delivered;
403 
404  case 0xB0: return ClampTo<uint16_t>(this->industry->construction_date - CalendarTime::DAYS_TILL_ORIGINAL_BASE_YEAR); // Date when built since 1920 (in days)
405  case 0xB3: return this->industry->construction_type; // Construction type
406  case 0xB4: {
407  if (this->industry->accepted.empty()) return 0;
408  auto it = std::max_element(std::begin(this->industry->accepted), std::end(this->industry->accepted), [](const auto &a, const auto &b) { return a.last_accepted < b.last_accepted; });
409  return ClampTo<uint16_t>(it->last_accepted - EconomyTime::DAYS_TILL_ORIGINAL_BASE_YEAR); // Date last cargo accepted since 1920 (in days)
410  }
411  }
412 
413  Debug(grf, 1, "Unhandled industry variable 0x{:X}", variable);
414 
415  available = false;
416  return UINT_MAX;
417 }
418 
419 /* virtual */ uint32_t IndustriesScopeResolver::GetRandomBits() const
420 {
421  return this->industry != nullptr ? this->industry->random : 0;
422 }
423 
424 /* virtual */ uint32_t IndustriesScopeResolver::GetTriggers() const
425 {
426  return 0;
427 }
428 
429 /* virtual */ void IndustriesScopeResolver::StorePSA(uint pos, int32_t value)
430 {
431  if (this->industry->index == INVALID_INDUSTRY) return;
432 
433  if (this->industry->psa == nullptr) {
434  /* There is no need to create a storage if the value is zero. */
435  if (value == 0) return;
436 
437  /* Create storage on first modification. */
438  const IndustrySpec *indsp = GetIndustrySpec(this->industry->type);
439  uint32_t grfid = (indsp->grf_prop.grffile != nullptr) ? indsp->grf_prop.grffile->grfid : 0;
441  this->industry->psa = new PersistentStorage(grfid, GSF_INDUSTRIES, this->industry->location.tile);
442  }
443 
444  this->industry->psa->StoreValue(pos, value);
445 }
446 
452 static const GRFFile *GetGrffile(IndustryType type)
453 {
454  const IndustrySpec *indspec = GetIndustrySpec(type);
455  return (indspec != nullptr) ? indspec->grf_prop.grffile : nullptr;
456 }
457 
468 IndustriesResolverObject::IndustriesResolverObject(TileIndex tile, Industry *indus, IndustryType type, uint32_t random_bits,
469  CallbackID callback, uint32_t callback_param1, uint32_t callback_param2)
470  : ResolverObject(GetGrffile(type), callback, callback_param1, callback_param2),
471  industries_scope(*this, tile, indus, type, random_bits)
472 {
474 }
475 
481 {
482  if (!this->town_scope.has_value()) {
483  Town *t = nullptr;
484  bool readonly = true;
485  if (this->industries_scope.industry != nullptr) {
486  t = this->industries_scope.industry->town;
487  readonly = this->industries_scope.industry->index == INVALID_INDUSTRY;
488  } else if (this->industries_scope.tile != INVALID_TILE) {
489  t = ClosestTownFromTile(this->industries_scope.tile, UINT_MAX);
490  }
491  if (t == nullptr) return nullptr;
492  this->town_scope.emplace(*this, t, readonly);
493  }
494  return &*this->town_scope;
495 }
496 
498 {
499  return GSF_INDUSTRIES;
500 }
501 
503 {
505 }
506 
517 uint16_t GetIndustryCallback(CallbackID callback, uint32_t param1, uint32_t param2, Industry *industry, IndustryType type, TileIndex tile)
518 {
519  IndustriesResolverObject object(tile, industry, type, 0, callback, param1, param2);
520  return object.ResolveCallback();
521 }
522 
534 CommandCost CheckIfCallBackAllowsCreation(TileIndex tile, IndustryType type, size_t layout, uint32_t seed, uint16_t initial_random_bits, Owner founder, IndustryAvailabilityCallType creation_type)
535 {
536  const IndustrySpec *indspec = GetIndustrySpec(type);
537 
538  Industry ind;
539  ind.index = INVALID_INDUSTRY;
540  ind.location.tile = tile;
541  ind.location.w = 0; // important to mark the industry invalid
542  ind.type = type;
543  ind.selected_layout = (uint8_t)layout;
544  ind.town = ClosestTownFromTile(tile, UINT_MAX);
545  ind.random = initial_random_bits;
546  ind.founder = founder;
547  ind.psa = nullptr;
548 
549  IndustriesResolverObject object(tile, &ind, type, seed, CBID_INDUSTRY_LOCATION, 0, creation_type);
550  uint16_t result = object.ResolveCallback();
551 
552  /* Unlike the "normal" cases, not having a valid result means we allow
553  * the building of the industry, as that's how it's done in TTDP. */
554  if (result == CALLBACK_FAILED) return CommandCost();
555 
556  return GetErrorMessageFromLocationCallbackResult(result, indspec->grf_prop.grffile, STR_ERROR_SITE_UNSUITABLE);
557 }
558 
565 uint32_t GetIndustryProbabilityCallback(IndustryType type, IndustryAvailabilityCallType creation_type, uint32_t default_prob)
566 {
567  const IndustrySpec *indspec = GetIndustrySpec(type);
568 
569  if (HasBit(indspec->callback_mask, CBM_IND_PROBABILITY)) {
570  uint16_t res = GetIndustryCallback(CBID_INDUSTRY_PROBABILITY, 0, creation_type, nullptr, type, INVALID_TILE);
571  if (res != CALLBACK_FAILED) {
572  if (indspec->grf_prop.grffile->grf_version < 8) {
573  /* Disallow if result != 0 */
574  if (res != 0) default_prob = 0;
575  } else {
576  /* Use returned probability. 0x100 to use default */
577  if (res < 0x100) {
578  default_prob = res;
579  } else if (res > 0x100) {
581  }
582  }
583  }
584  }
585  return default_prob;
586 }
587 
588 static int32_t DerefIndProd(int field, bool use_register)
589 {
590  return use_register ? (int32_t)GetRegister(field) : field;
591 }
592 
598 void IndustryProductionCallback(Industry *ind, int reason)
599 {
600  const IndustrySpec *spec = GetIndustrySpec(ind->type);
601  IndustriesResolverObject object(ind->location.tile, ind, ind->type);
602  if ((spec->behaviour & INDUSTRYBEH_PRODCALLBACK_RANDOM) != 0) object.callback_param1 = Random();
603  int multiplier = 1;
604  if ((spec->behaviour & INDUSTRYBEH_PROD_MULTI_HNDLING) != 0) multiplier = ind->prod_level;
605  object.callback_param2 = reason;
606 
607  for (uint loop = 0;; loop++) {
608  /* limit the number of calls to break infinite loops.
609  * 'loop' is provided as 16 bits to the newgrf, so abort when those are exceeded. */
610  if (loop >= 0x10000) {
611  /* display error message */
612  SetDParamStr(0, spec->grf_prop.grffile->filename);
613  SetDParam(1, spec->name);
614  ShowErrorMessage(STR_NEWGRF_BUGGY, STR_NEWGRF_BUGGY_ENDLESS_PRODUCTION_CALLBACK, WL_WARNING);
615 
616  /* abort the function early, this error isn't critical and will allow the game to continue to run */
617  break;
618  }
619 
620  SB(object.callback_param2, 8, 16, loop);
621  const SpriteGroup *tgroup = object.Resolve();
622  if (tgroup == nullptr || tgroup->type != SGT_INDUSTRY_PRODUCTION) break;
623  const IndustryProductionSpriteGroup *group = (const IndustryProductionSpriteGroup *)tgroup;
624 
625  if (group->version == 0xFF) {
626  /* Result was marked invalid on load, display error message */
627  SetDParamStr(0, spec->grf_prop.grffile->filename);
628  SetDParam(1, spec->name);
629  SetDParam(2, ind->location.tile);
630  ShowErrorMessage(STR_NEWGRF_BUGGY, STR_NEWGRF_BUGGY_INVALID_CARGO_PRODUCTION_CALLBACK, WL_WARNING);
631 
632  /* abort the function early, this error isn't critical and will allow the game to continue to run */
633  break;
634  }
635 
636  bool deref = (group->version >= 1);
637 
638  if (group->version < 2) {
639  /* Callback parameters map directly to industry cargo slot indices */
640  for (uint i = 0; i < group->num_input && i < ind->accepted.size(); i++) {
641  if (!IsValidCargoID(ind->accepted[i].cargo)) continue;
642  ind->accepted[i].waiting = ClampTo<uint16_t>(ind->accepted[i].waiting - DerefIndProd(group->subtract_input[i], deref) * multiplier);
643  }
644  for (uint i = 0; i < group->num_output && i < ind->produced.size(); i++) {
645  if (!IsValidCargoID(ind->produced[i].cargo)) continue;
646  ind->produced[i].waiting = ClampTo<uint16_t>(ind->produced[i].waiting + std::max(DerefIndProd(group->add_output[i], deref), 0) * multiplier);
647  }
648  } else {
649  /* Callback receives list of cargos to apply for, which need to have their cargo slots in industry looked up */
650  for (uint i = 0; i < group->num_input; i++) {
651  auto it = ind->GetCargoAccepted(group->cargo_input[i]);
652  if (it == std::end(ind->accepted)) continue;
653  it->waiting = ClampTo<uint16_t>(it->waiting - DerefIndProd(group->subtract_input[i], deref) * multiplier);
654  }
655  for (uint i = 0; i < group->num_output; i++) {
656  auto it = ind->GetCargoProduced(group->cargo_output[i]);
657  if (it == std::end(ind->produced)) continue;
658  it->waiting = ClampTo<uint16_t>(it->waiting + std::max(DerefIndProd(group->add_output[i], deref), 0) * multiplier);
659  }
660  }
661 
662  int32_t again = DerefIndProd(group->again, deref);
663  if (again == 0) break;
664 
665  SB(object.callback_param2, 24, 8, again);
666  }
667 
669 }
670 
679 {
680  assert(ind->IsCargoAccepted(cargo_type));
681 
682  const IndustrySpec *indspec = GetIndustrySpec(ind->type);
683  if (HasBit(indspec->callback_mask, CBM_IND_REFUSE_CARGO)) {
685  0, indspec->grf_prop.grffile->cargo_map[cargo_type],
686  ind, ind->type, ind->location.tile);
688  }
689  return false;
690 }
constexpr debug_inline bool HasBit(const T x, const uint8_t y)
Checks if a bit in a value is set.
constexpr T SB(T &x, const uint8_t s, const uint8_t n, const U d)
Set n bits in x starting at bit s to d.
constexpr T SetBit(T &x, const uint8_t y)
Set a bit in a variable.
constexpr static debug_inline uint GB(const T x, const uint8_t s, const uint8_t n)
Fetch n bits from x, started at bit s.
uint8_t CargoID
Cargo slots to indicate a cargo type within a game.
Definition: cargo_type.h:22
bool IsValidCargoID(CargoID t)
Test whether cargo type is not INVALID_CARGO.
Definition: cargo_type.h:107
Common return value for all commands.
Definition: command_type.h:23
uint16_t GetID(uint16_t grf_local_id, uint32_t grfid) const override
Return the ID (if ever available) of a previously inserted entity.
static constexpr TimerGame< struct Economy >::Year ORIGINAL_BASE_YEAR
The minimum starting year/base year of the original TTD.
static constexpr TimerGame< struct Calendar >::Date DAYS_TILL_ORIGINAL_BASE_YEAR
The date of the first day of the original base year.
Definition of stuff that is very close to a company, like the company struct itself.
Owner
Enum for all companies/owners.
Definition: company_type.h:18
Functions related to debugging.
#define Debug(category, level, format_string,...)
Ouptut a line of debugging information.
Definition: debug.h:37
Functions related to errors.
void ShowErrorMessage(StringID summary_msg, int x, int y, CommandCost cc)
Display an error message in a window.
Definition: error_gui.cpp:367
@ WL_WARNING
Other information.
Definition: error.h:25
Base of all industries.
const IndustryTileSpec * GetIndustryTileSpec(IndustryGfx gfx)
Accessor for array _industry_tile_specs.
const IndustrySpec * GetIndustrySpec(IndustryType thistype)
Accessor for array _industry_specs.
IndustryGfx GetCleanIndustryGfx(Tile t)
Get the industry graphics ID for the given industry tile as stored in the without translation.
Definition: industry_map.h:125
uint8_t GetIndustryRandomBits(Tile tile)
Get the random bits for this tile.
Definition: industry_map.h:224
static const IndustryGfx NEW_INDUSTRYTILEOFFSET
original number of tiles
Definition: industry_type.h:32
static const IndustryType NEW_INDUSTRYOFFSET
original number of industry types
Definition: industry_type.h:25
static const IndustryType NUM_INDUSTRYTYPES
total number of industry types, new and old; limited to 240 because we need some special ids like INV...
Definition: industry_type.h:26
static const IndustryType INVALID_INDUSTRYTYPE
one above amount is considered invalid
Definition: industry_type.h:27
static const IndustryGfx INVALID_INDUSTRYTILE
one above amount is considered invalid
Definition: industry_type.h:34
static const IndustryGfx NUM_INDUSTRYTILES
total number of industry tiles, new and old
Definition: industry_type.h:33
@ INDUSTRYBEH_PROD_MULTI_HNDLING
Automatic production multiplier handling.
Definition: industrytype.h:72
@ INDUSTRYBEH_PRODCALLBACK_RANDOM
Production callback needs random bits in var 10.
Definition: industrytype.h:73
@ INDUSTRYBEH_BUILT_ONWATER
is built on water (oil rig)
Definition: industrytype.h:59
uint DistanceSquare(TileIndex t0, TileIndex t1)
Gets the 'Square' distance between the two given tiles.
Definition: map.cpp:163
uint DistanceManhattan(TileIndex t0, TileIndex t1)
Gets the Manhattan distance between the two given tiles.
Definition: map.cpp:146
uint GetClosestWaterDistance(TileIndex tile, bool water)
Finds the distance for the closest tile with water/land given a tile.
Definition: map.cpp:329
GrfSpecFeature
Definition: newgrf.h:67
@ CBM_IND_PROBABILITY
industry availability/probability callback
@ CBM_IND_REFUSE_CARGO
option out of accepting cargo
@ CBM_IND_PRODUCTION_CARGO_ARRIVAL
call production callback when cargo arrives at the industry
@ CBM_IND_PRODUCTION_256_TICKS
call production callback every 256 ticks
CallbackID
List of implemented NewGRF callbacks.
@ CBID_INDUSTRY_PROBABILITY
Called to determine if the given industry type is available.
@ CBID_INDUSTRY_REFUSE_CARGO
Called to determine if the industry can still accept or refuse more cargo arrival.
@ CBID_INDUSTRY_LOCATION
Called to determine if the given industry can be built on specific area.
static const uint CALLBACK_FAILED
Different values for Callback result evaluations.
CargoID GetCargoTranslation(uint8_t cargo, const GRFFile *grffile, bool usebit)
Translate a GRF-local cargo slot/bitnum into a CargoID.
Cargo support for NewGRFs.
CommandCost GetErrorMessageFromLocationCallbackResult(uint16_t cb_res, const GRFFile *grffile, StringID default_error)
Get the error message from a shape/location/slope check callback result.
void ErrorUnknownCallbackResult(uint32_t grfid, uint16_t cbid, uint16_t cb_res)
Record that a NewGRF returned an unknown/invalid callback result.
bool ConvertBooleanCallback(const GRFFile *grffile, uint16_t cbid, uint16_t cb_res)
Converts a callback result into a boolean.
uint32_t GetTerrainType(TileIndex tile, TileContext context)
Function used by houses (and soon industries) to get information on type of "terrain" the tile it is ...
TileIndex GetNearbyTile(uint8_t parameter, TileIndex tile, bool signed_offsets, Axis axis)
Get the tile at the given offset.
uint32_t GetIndustryIDAtOffset(TileIndex tile, const Industry *i, uint32_t cur_grfid)
Make an analysis of a tile and check for its belonging to the same industry, and/or the same grf file...
static const GRFFile * GetGrffile(IndustryType type)
Get the grf file associated with the given industry type.
IndustryType MapNewGRFIndustryType(IndustryType grf_type, uint32_t grf_id)
Map the GRF local type to an industry type.
static uint32_t GetCountAndDistanceOfClosestInstance(uint8_t param_setID, uint8_t layout_filter, bool town_filter, const Industry *current)
Implementation of both var 67 and 68 since the mechanism is almost the same, it is easier to regroup ...
CommandCost CheckIfCallBackAllowsCreation(TileIndex tile, IndustryType type, size_t layout, uint32_t seed, uint16_t initial_random_bits, Owner founder, IndustryAvailabilityCallType creation_type)
Check that the industry callback allows creation of the industry.
bool IndustryTemporarilyRefusesCargo(Industry *ind, CargoID cargo_type)
Check whether an industry temporarily refuses to accept a certain cargo.
void IndustryProductionCallback(Industry *ind, int reason)
Get the industry production callback and apply it to the industry.
uint32_t GetIndustryProbabilityCallback(IndustryType type, IndustryAvailabilityCallType creation_type, uint32_t default_prob)
Check with callback CBID_INDUSTRY_PROBABILITY whether the industry can be built.
uint16_t GetIndustryCallback(CallbackID callback, uint32_t param1, uint32_t param2, Industry *industry, IndustryType type, TileIndex tile)
Perform an industry callback.
Functions for NewGRF industries.
IndustryAvailabilityCallType
From where has callback CBID_INDUSTRY_PROBABILITY been called.
uint32_t GetNearbyIndustryTileInformation(uint8_t parameter, TileIndex tile, IndustryID index, bool signed_offsets, bool grf_version8)
Based on newhouses equivalent, but adapted for newindustries.
uint32_t GetRegister(uint i)
Gets the value of a so-called newgrf "register".
Functions to handle the town part of NewGRF towns.
Pseudo random number generator.
A number of safeguards to prevent using unsafe methods.
Definition of base types and functions in a cross-platform compatible way.
void SetDParam(size_t n, uint64_t v)
Set a string parameter v at index n in the global string parameter array.
Definition: strings.cpp:104
void SetDParamStr(size_t n, const char *str)
This function is used to "bind" a C string to a OpenTTD dparam slot.
Definition: strings.cpp:357
Functions related to OTTD's strings.
bool is_ai
If true, the company is (also) controlled by the computer (a NoAI program).
Definition: company_base.h:112
uint16_t local_id
id defined by the grf file for this entity
const struct GRFFile * grffile
grf file that introduced this entity
std::array< const struct SpriteGroup *, Tcnt > spritegroup
pointers to the different sprites of the entity
uint16_t override
id of the entity been replaced by
Dynamic data of a loaded NewGRF.
Definition: newgrf.h:108
std::array< uint8_t, NUM_CARGO > cargo_map
Inverse cargo translation table (CargoID -> local ID)
Definition: newgrf.h:131
Resolver for industries.
IndustriesResolverObject(TileIndex tile, Industry *indus, IndustryType type, uint32_t random_bits=0, CallbackID callback=CBID_NO_CALLBACK, uint32_t callback_param1=0, uint32_t callback_param2=0)
Constructor of the industries resolver.
std::optional< TownScopeResolver > town_scope
Scope resolver for the associated town (if needed and available, else std::nullopt).
TownScopeResolver * GetTown()
Get or create the town scope object associated with the industry.
GrfSpecFeature GetFeature() const override
Get the feature number being resolved for.
uint32_t GetDebugID() const override
Get an identifier for the item being resolved.
IndustriesScopeResolver industries_scope
Scope resolver for the industry.
uint32_t GetTriggers() const override
Get the triggers.
uint32_t GetVariable(uint8_t variable, [[maybe_unused]] uint32_t parameter, bool &available) const override
Get a variable value.
IndustryType type
Type of the industry.
uint32_t random_bits
Random bits of the new industry.
uint32_t GetRandomBits() const override
Get a few random bits.
void StorePSA(uint pos, int32_t value) override
Store a value into the persistent storage area (PSA).
TileIndex tile
Tile owned by the industry.
Industry * industry
Industry being resolved.
uint16_t add_output[INDUSTRY_NUM_OUTPUTS]
Add this much output cargo when successful (unsigned, is indirect in cb version 1+)
CargoID cargo_input[INDUSTRY_NUM_INPUTS]
Which input cargoes to take from (only cb version 2)
uint8_t num_input
How many subtract_input values are valid.
int16_t subtract_input[INDUSTRY_NUM_INPUTS]
Take this much of the input cargo (can be negative, is indirect in cb version 1+)
uint8_t version
Production callback version used, or 0xFF if marked invalid.
uint8_t num_output
How many add_output values are valid.
CargoID cargo_output[INDUSTRY_NUM_OUTPUTS]
Which output cargoes to add to (only cb version 2)
Defines the data structure for constructing industry.
Definition: industrytype.h:101
uint16_t callback_mask
Bitmask of industry callbacks that have to be called.
Definition: industrytype.h:132
StringID name
Displayed name of the industry.
Definition: industrytype.h:123
IndustryBehaviour behaviour
How this industry will behave, and how others entities can use it.
Definition: industrytype.h:121
GRFFileProps grf_prop
properties related to the grf file
Definition: industrytype.h:134
Defines the data structure of each individual tile of an industry.
Definition: industrytype.h:148
GRFFileProps grf_prop
properties related to the grf file
Definition: industrytype.h:165
uint16_t waiting
Amount of cargo waiting to processed.
Definition: industry.h:87
CargoID cargo
Cargo type.
Definition: industry.h:86
CargoID cargo
Cargo type.
Definition: industry.h:79
uint16_t waiting
Amount of cargo produced.
Definition: industry.h:80
std::array< ProducedHistory, 25 > history
History of cargo produced and transported for this month and 24 previous months.
Definition: industry.h:82
uint8_t rate
Production rate.
Definition: industry.h:81
Defines the internal data of a functional industry.
Definition: industry.h:66
IndustryType type
type of industry.
Definition: industry.h:102
TimerGameCalendar::Date construction_date
Date of the construction of the industry.
Definition: industry.h:114
IndustryControlFlags ctlflags
flags overriding standard behaviours
Definition: industry.h:107
bool IsCargoAccepted() const
Test if this industry accepts any cargo.
Definition: industry.h:210
PersistentStorage * psa
Persistent storage for NewGRF industries.
Definition: industry.h:123
uint8_t prod_level
general production level
Definition: industry.h:99
Colours random_colour
randomized colour of the industry, for display purpose
Definition: industry.h:104
AcceptedCargoes::iterator GetCargoAccepted(CargoID cargo)
Get accepted cargo slot for a specific cargo type.
Definition: industry.h:189
uint8_t construction_type
Way the industry was constructed (.
Definition: industry.h:115
TimerGameEconomy::Year last_prod_year
last economy year of production
Definition: industry.h:105
ProducedCargoes produced
produced cargo slots
Definition: industry.h:97
uint16_t random
Random value used for randomisation of all kinds of things.
Definition: industry.h:121
Town * town
Nearest town.
Definition: industry.h:95
Owner founder
Founder of the industry.
Definition: industry.h:113
uint8_t selected_layout
Which tile layout was used when creating the industry.
Definition: industry.h:116
AcceptedCargoes accepted
accepted cargo slots
Definition: industry.h:98
static uint16_t GetIndustryTypeCount(IndustryType type)
Get the count of industries for this type.
Definition: industry.h:273
TileArea location
Location of the industry.
Definition: industry.h:94
const ProducedCargo & GetProduced(size_t slot) const
Safely get a produced cargo slot, or an empty data if the slot does not exist.
Definition: industry.h:145
uint16_t counter
used for animation and/or production (if available cargo)
Definition: industry.h:100
ProducedCargoes::iterator GetCargoProduced(CargoID cargo)
Get produced cargo slot for a specific cargo type.
Definition: industry.h:167
uint8_t was_cargo_delivered
flag that indicate this has been the closest industry chosen for cargo delivery by a station....
Definition: industry.h:106
bool TileBelongsToIndustry(TileIndex tile) const
Check if a given tile belongs to this industry.
Definition: industry.h:135
const AcceptedCargo & GetAccepted(size_t slot) const
Safely get an accepted cargo slot, or an empty data if the slot does not exist.
Definition: industry.h:156
Information about a particular livery.
Definition: livery.h:78
Colours colour2
Second colour, for vehicles with 2CC support.
Definition: livery.h:81
Colours colour1
First colour, for all vehicles.
Definition: livery.h:80
uint16_t w
The width of the area.
Definition: tilearea_type.h:20
TileIndex tile
The base tile of the area.
Definition: tilearea_type.h:19
uint16_t h
The height of the area.
Definition: tilearea_type.h:21
TYPE GetValue(uint pos) const
Gets the value from a given position.
void StoreValue(uint pos, int32_t value)
Stores some value at a given position.
Class for pooled persistent storage of data.
Tindex index
Index of this pool item.
Definition: pool_type.hpp:238
static bool CanAllocateItem(size_t n=1)
Helper functions so we can use PoolItem::Function() instead of _poolitem_pool.Function()
Definition: pool_type.hpp:309
static Titem * GetIfValid(size_t index)
Returns Titem with given index.
Definition: pool_type.hpp:350
static Pool::IterateWrapper< Titem > Iterate(size_t from=0)
Returns an iterable ensemble of all valid Titem.
Definition: pool_type.hpp:388
Interface for SpriteGroup-s to access the gamestate.
const GRFFile * grffile
GRFFile the resolved SpriteGroup belongs to.
CallbackID callback
Callback being resolved.
const SpriteGroup * root_spritegroup
Root SpriteGroup to use for resolving.
ResolverObject & ro
Surrounding resolver object.
virtual const SpriteGroup * Resolve([[maybe_unused]] ResolverObject &object) const
Base sprite group resolver.
Scope resolver for a town.
Definition: newgrf_town.h:22
Town data structure.
Definition: town.h:54
TileIndex xy
town center tile
Definition: town.h:55
int GetTileZ(TileIndex tile)
Get bottom height of the tile.
Definition: tile_map.cpp:116
uint8_t GetAnimationFrame(Tile t)
Get the current animation frame.
Definition: tile_map.h:250
static const uint TILE_HEIGHT
Height of a height level in world coordinate AND in pixels in #ZOOM_BASE.
Definition: tile_type.h:18
constexpr TileIndex INVALID_TILE
The very nice invalid tile marker.
Definition: tile_type.h:95
Definition of the game-calendar-timer.
Base of the town class.
HouseZonesBits GetTownRadiusGroup(const Town *t, TileIndex tile)
Returns the bit corresponding to the town zone of the specified tile.
Definition: town_cmd.cpp:2447
Town * ClosestTownFromTile(TileIndex tile, uint threshold)
Return the town closest (in distance or ownership) to a given tile, within a given threshold.
Definition: town_cmd.cpp:3870
void SetWindowDirty(WindowClass cls, WindowNumber number)
Mark window as dirty (in need of repainting)
Definition: window.cpp:3093
Window functions not directly related to making/drawing windows.
@ WC_INDUSTRY_VIEW
Industry view; Window numbers:
Definition: window_type.h:363