industry_cmd.cpp

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00001 /* $Id: industry_cmd.cpp 17417 2009-09-04 20:40:15Z rubidium $ */
00002 
00005 #include "stdafx.h"
00006 #include "openttd.h"
00007 #include "clear_map.h"
00008 #include "industry_map.h"
00009 #include "station_map.h"
00010 #include "train.h"
00011 #include "landscape.h"
00012 #include "viewport_func.h"
00013 #include "command_func.h"
00014 #include "town.h"
00015 #include "news_func.h"
00016 #include "variables.h"
00017 #include "cheat_type.h"
00018 #include "genworld.h"
00019 #include "tree_map.h"
00020 #include "newgrf.h"
00021 #include "newgrf_commons.h"
00022 #include "newgrf_industries.h"
00023 #include "newgrf_industrytiles.h"
00024 #include "autoslope.h"
00025 #include "transparency.h"
00026 #include "water.h"
00027 #include "strings_func.h"
00028 #include "functions.h"
00029 #include "window_func.h"
00030 #include "date_func.h"
00031 #include "vehicle_func.h"
00032 #include "sound_func.h"
00033 #include "oldpool_func.h"
00034 #include "animated_tile_func.h"
00035 #include "effectvehicle_func.h"
00036 #include "ai/ai.hpp"
00037 
00038 #include "table/strings.h"
00039 #include "table/industry_land.h"
00040 #include "table/build_industry.h"
00041 
00042 void ShowIndustryViewWindow(int industry);
00043 void BuildOilRig(TileIndex tile);
00044 
00045 static byte _industry_sound_ctr;
00046 static TileIndex _industry_sound_tile;
00047 
00048 int _total_industries;                      
00049 uint16 _industry_counts[NUM_INDUSTRYTYPES]; 
00050 
00051 IndustrySpec _industry_specs[NUM_INDUSTRYTYPES];
00052 IndustryTileSpec _industry_tile_specs[NUM_INDUSTRYTILES];
00053 
00058 void ResetIndustries()
00059 {
00060   memset(&_industry_specs, 0, sizeof(_industry_specs));
00061   memcpy(&_industry_specs, &_origin_industry_specs, sizeof(_origin_industry_specs));
00062 
00063   /* once performed, enable only the current climate industries */
00064   for (IndustryType i = 0; i < NUM_INDUSTRYTYPES; i++) {
00065     _industry_specs[i].enabled = i < NEW_INDUSTRYOFFSET &&
00066         HasBit(_origin_industry_specs[i].climate_availability, _settings_game.game_creation.landscape);
00067   }
00068 
00069   memset(&_industry_tile_specs, 0, sizeof(_industry_tile_specs));
00070   memcpy(&_industry_tile_specs, &_origin_industry_tile_specs, sizeof(_origin_industry_tile_specs));
00071 
00072   /* Reset any overrides that have been set. */
00073   _industile_mngr.ResetOverride();
00074   _industry_mngr.ResetOverride();
00075 }
00076 
00077 void ResetIndustryCreationProbility(IndustryType type)
00078 {
00079   assert(type < INVALID_INDUSTRYTYPE);
00080   _industry_specs[type].appear_creation[_settings_game.game_creation.landscape] = 0;
00081 }
00082 
00083 DEFINE_OLD_POOL_GENERIC(Industry, Industry)
00084 
00085 
00093 IndustryType GetIndustryType(TileIndex tile)
00094 {
00095   assert(IsTileType(tile, MP_INDUSTRY));
00096 
00097   const Industry *ind = GetIndustryByTile(tile);
00098   return ind->IsValid() ? ind->type : (IndustryType)IT_INVALID;
00099 }
00100 
00109 const IndustrySpec *GetIndustrySpec(IndustryType thistype)
00110 {
00111   assert(thistype < NUM_INDUSTRYTYPES);
00112   return &_industry_specs[thistype];
00113 }
00114 
00123 const IndustryTileSpec *GetIndustryTileSpec(IndustryGfx gfx)
00124 {
00125   assert(gfx < INVALID_INDUSTRYTILE);
00126   return &_industry_tile_specs[gfx];
00127 }
00128 
00129 Industry::~Industry()
00130 {
00131   if (CleaningPool()) return;
00132 
00133   /* Industry can also be destroyed when not fully initialized.
00134    * This means that we do not have to clear tiles either. */
00135   if (this->width == 0) {
00136     this->xy = INVALID_TILE;
00137     return;
00138   }
00139 
00140   BEGIN_TILE_LOOP(tile_cur, this->width, this->height, this->xy);
00141     if (IsTileType(tile_cur, MP_INDUSTRY)) {
00142       if (GetIndustryIndex(tile_cur) == this->index) {
00143         /* MakeWaterKeepingClass() can also handle 'land' */
00144         MakeWaterKeepingClass(tile_cur, OWNER_NONE);
00145 
00146         /* MakeWaterKeepingClass() doesn't remove animation if the tiles
00147          * become watery, but be on the safe side an always remote it. */
00148         DeleteAnimatedTile(tile_cur);
00149       }
00150     } else if (IsTileType(tile_cur, MP_STATION) && IsOilRig(tile_cur)) {
00151       DeleteOilRig(tile_cur);
00152     }
00153   END_TILE_LOOP(tile_cur, this->width, this->height, this->xy);
00154 
00155   if (GetIndustrySpec(this->type)->behaviour & INDUSTRYBEH_PLANT_FIELDS) {
00156     /* Remove the farmland and convert it to regular tiles over time. */
00157     BEGIN_TILE_LOOP(tile_cur, 42, 42, this->xy - TileDiffXY(21, 21)) {
00158       tile_cur = TILE_MASK(tile_cur);
00159       if (IsTileType(tile_cur, MP_CLEAR) && IsClearGround(tile_cur, CLEAR_FIELDS) &&
00160           GetIndustryIndexOfField(tile_cur) == this->index) {
00161         SetIndustryIndexOfField(tile_cur, INVALID_INDUSTRY);
00162       }
00163     } END_TILE_LOOP(tile_cur, 42, 42, this->xy - TileDiff(21, 21))
00164   }
00165 
00166   /* don't let any disaster vehicle target invalid industry */
00167   ReleaseDisastersTargetingIndustry(this->index);
00168 
00169   DecIndustryTypeCount(this->type);
00170 
00171   DeleteSubsidyWithIndustry(this->index);
00172   DeleteWindowById(WC_INDUSTRY_VIEW, this->index);
00173   InvalidateWindowData(WC_INDUSTRY_DIRECTORY, 0, 0);
00174   this->xy = INVALID_TILE;
00175 }
00176 
00177 static void IndustryDrawSugarMine(const TileInfo *ti)
00178 {
00179   const DrawIndustryAnimationStruct *d;
00180 
00181   if (!IsIndustryCompleted(ti->tile)) return;
00182 
00183   d = &_draw_industry_spec1[GetIndustryAnimationState(ti->tile)];
00184 
00185   AddChildSpriteScreen(SPR_IT_SUGAR_MINE_SIEVE + d->image_1, PAL_NONE, d->x, 0);
00186 
00187   if (d->image_2 != 0) {
00188     AddChildSpriteScreen(SPR_IT_SUGAR_MINE_CLOUDS + d->image_2 - 1, PAL_NONE, 8, 41);
00189   }
00190 
00191   if (d->image_3 != 0) {
00192     AddChildSpriteScreen(SPR_IT_SUGAR_MINE_PILE + d->image_3 - 1, PAL_NONE,
00193       _drawtile_proc1[d->image_3 - 1].x, _drawtile_proc1[d->image_3 - 1].y);
00194   }
00195 }
00196 
00197 static void IndustryDrawToffeeQuarry(const TileInfo *ti)
00198 {
00199   uint8 x = 0;
00200 
00201   if (IsIndustryCompleted(ti->tile)) {
00202     x = _industry_anim_offs_toffee[GetIndustryAnimationState(ti->tile)];
00203     if (x == 0xFF)
00204       x = 0;
00205   }
00206 
00207   AddChildSpriteScreen(SPR_IT_TOFFEE_QUARRY_SHOVEL, PAL_NONE, 22 - x, 24 + x);
00208   AddChildSpriteScreen(SPR_IT_TOFFEE_QUARRY_TOFFEE, PAL_NONE, 6, 14);
00209 }
00210 
00211 static void IndustryDrawBubbleGenerator( const TileInfo *ti)
00212 {
00213   if (IsIndustryCompleted(ti->tile)) {
00214     AddChildSpriteScreen(SPR_IT_BUBBLE_GENERATOR_BUBBLE, PAL_NONE, 5, _industry_anim_offs_bubbles[GetIndustryAnimationState(ti->tile)]);
00215   } else {
00216     AddChildSpriteScreen(SPR_IT_BUBBLE_GENERATOR_SPRING, PAL_NONE, 3, 67);
00217   }
00218 }
00219 
00220 static void IndustryDrawToyFactory(const TileInfo *ti)
00221 {
00222   const DrawIndustryAnimationStruct *d;
00223 
00224   d = &_industry_anim_offs_toys[GetIndustryAnimationState(ti->tile)];
00225 
00226   if (d->image_1 != 0xFF) {
00227     AddChildSpriteScreen(SPR_IT_TOY_FACTORY_CLAY, PAL_NONE, d->x, 96 + d->image_1);
00228   }
00229 
00230   if (d->image_2 != 0xFF) {
00231     AddChildSpriteScreen(SPR_IT_TOY_FACTORY_ROBOT, PAL_NONE, 16 - d->image_2 * 2, 100 + d->image_2);
00232   }
00233 
00234   AddChildSpriteScreen(SPR_IT_TOY_FACTORY_STAMP, PAL_NONE, 7, d->image_3);
00235   AddChildSpriteScreen(SPR_IT_TOY_FACTORY_STAMP_HOLDER, PAL_NONE, 0, 42);
00236 }
00237 
00238 static void IndustryDrawCoalPlantSparks(const TileInfo *ti)
00239 {
00240   if (IsIndustryCompleted(ti->tile)) {
00241     uint8 image = GetIndustryAnimationState(ti->tile);
00242 
00243     if (image != 0 && image < 7) {
00244       AddChildSpriteScreen(image + SPR_IT_POWER_PLANT_TRANSFORMERS,
00245         PAL_NONE,
00246         _coal_plant_sparks[image - 1].x,
00247         _coal_plant_sparks[image - 1].y
00248       );
00249     }
00250   }
00251 }
00252 
00253 typedef void IndustryDrawTileProc(const TileInfo *ti);
00254 static IndustryDrawTileProc * const _industry_draw_tile_procs[5] = {
00255   IndustryDrawSugarMine,
00256   IndustryDrawToffeeQuarry,
00257   IndustryDrawBubbleGenerator,
00258   IndustryDrawToyFactory,
00259   IndustryDrawCoalPlantSparks,
00260 };
00261 
00262 static void DrawTile_Industry(TileInfo *ti)
00263 {
00264   IndustryGfx gfx = GetIndustryGfx(ti->tile);
00265   Industry *ind = GetIndustryByTile(ti->tile);
00266   const IndustryTileSpec *indts = GetIndustryTileSpec(gfx);
00267   const DrawBuildingsTileStruct *dits;
00268   SpriteID image;
00269   SpriteID pal;
00270 
00271   /* Retrieve pointer to the draw industry tile struct */
00272   if (gfx >= NEW_INDUSTRYTILEOFFSET) {
00273     /* Draw the tile using the specialized method of newgrf industrytile.
00274      * DrawNewIndustry will return false if ever the resolver could not
00275      * find any sprite to display.  So in this case, we will jump on the
00276      * substitute gfx instead. */
00277     if (indts->grf_prop.spritegroup != NULL && DrawNewIndustryTile(ti, ind, gfx, indts)) {
00278       return;
00279     } else {
00280       /* No sprite group (or no valid one) found, meaning no graphics associated.
00281        * Use the substitute one instead */
00282       if (indts->grf_prop.subst_id != INVALID_INDUSTRYTILE) {
00283         gfx = indts->grf_prop.subst_id;
00284         /* And point the industrytile spec accordingly */
00285         indts = GetIndustryTileSpec(gfx);
00286       }
00287     }
00288   }
00289 
00290   dits = &_industry_draw_tile_data[gfx << 2 | (indts->anim_state ?
00291       GetIndustryAnimationState(ti->tile) & INDUSTRY_COMPLETED :
00292       GetIndustryConstructionStage(ti->tile))];
00293 
00294   image = dits->ground.sprite;
00295   if (HasBit(image, PALETTE_MODIFIER_COLOUR) && dits->ground.pal == PAL_NONE) {
00296     pal = GENERAL_SPRITE_COLOUR(ind->random_colour);
00297   } else {
00298     pal = dits->ground.pal;
00299   }
00300 
00301   /* DrawFoundation() modifes ti->z and ti->tileh */
00302   if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
00303 
00304   /* If the ground sprite is the default flat water sprite, draw also canal/river borders.
00305    * Do not do this if the tile's WaterClass is 'land'. */
00306   if (image == SPR_FLAT_WATER_TILE && IsIndustryTileOnWater(ti->tile)) {
00307     DrawWaterClassGround(ti);
00308   } else {
00309     DrawGroundSprite(image, pal);
00310   }
00311 
00312   /* If industries are transparent and invisible, do not draw the upper part */
00313   if (IsInvisibilitySet(TO_INDUSTRIES)) return;
00314 
00315   /* Add industry on top of the ground? */
00316   image = dits->building.sprite;
00317   if (image != 0) {
00318     AddSortableSpriteToDraw(image,
00319       (HasBit(image, PALETTE_MODIFIER_COLOUR) && dits->building.pal == PAL_NONE) ? GENERAL_SPRITE_COLOUR(ind->random_colour) : dits->building.pal,
00320       ti->x + dits->subtile_x,
00321       ti->y + dits->subtile_y,
00322       dits->width,
00323       dits->height,
00324       dits->dz,
00325       ti->z,
00326       IsTransparencySet(TO_INDUSTRIES));
00327 
00328     if (IsTransparencySet(TO_INDUSTRIES)) return;
00329   }
00330 
00331   {
00332     int proc = dits->draw_proc - 1;
00333     if (proc >= 0) _industry_draw_tile_procs[proc](ti);
00334   }
00335 }
00336 
00337 static uint GetSlopeZ_Industry(TileIndex tile, uint x, uint y)
00338 {
00339   return GetTileMaxZ(tile);
00340 }
00341 
00342 static Foundation GetFoundation_Industry(TileIndex tile, Slope tileh)
00343 {
00344   IndustryGfx gfx = GetIndustryGfx(tile);
00345 
00346   /* For NewGRF industry tiles we might not be drawing a foundation. We need to
00347    * account for this, as other structures should
00348    * draw the wall of the foundation in this case.
00349    */
00350   if (gfx >= NEW_INDUSTRYTILEOFFSET) {
00351     const IndustryTileSpec *indts = GetIndustryTileSpec(gfx);
00352     if (indts->grf_prop.spritegroup != NULL && HasBit(indts->callback_flags, CBM_INDT_DRAW_FOUNDATIONS)) {
00353       uint32 callback_res = GetIndustryTileCallback(CBID_INDUSTRY_DRAW_FOUNDATIONS, 0, 0, gfx, GetIndustryByTile(tile), tile);
00354       if (callback_res == 0) return FOUNDATION_NONE;
00355     }
00356   }
00357   return FlatteningFoundation(tileh);
00358 }
00359 
00360 static void GetAcceptedCargo_Industry(TileIndex tile, AcceptedCargo ac)
00361 {
00362   IndustryGfx gfx = GetIndustryGfx(tile);
00363   const IndustryTileSpec *itspec = GetIndustryTileSpec(gfx);
00364 
00365   /* When we have to use a callback, we put our data in the next two variables */
00366   CargoID raw_accepts_cargo[lengthof(itspec->accepts_cargo)];
00367   uint8 raw_acceptance[lengthof(itspec->acceptance)];
00368 
00369   /* And then these will always point to a same sized array with the required data */
00370   const CargoID *accepts_cargo = itspec->accepts_cargo;
00371   const uint8 *acceptance = itspec->acceptance;
00372 
00373   if (HasBit(itspec->callback_flags, CBM_INDT_ACCEPT_CARGO)) {
00374     uint16 res = GetIndustryTileCallback(CBID_INDTILE_ACCEPT_CARGO, 0, 0, gfx, GetIndustryByTile(tile), tile);
00375     if (res != CALLBACK_FAILED) {
00376       accepts_cargo = raw_accepts_cargo;
00377       for (uint i = 0; i < lengthof(itspec->accepts_cargo); i++) raw_accepts_cargo[i] = GetCargoTranslation(GB(res, i * 5, 5), itspec->grf_prop.grffile);
00378     }
00379   }
00380 
00381   if (HasBit(itspec->callback_flags, CBM_INDT_CARGO_ACCEPTANCE)) {
00382     uint16 res = GetIndustryTileCallback(CBID_INDTILE_CARGO_ACCEPTANCE, 0, 0, gfx, GetIndustryByTile(tile), tile);
00383     if (res != CALLBACK_FAILED) {
00384       acceptance = raw_acceptance;
00385       for (uint i = 0; i < lengthof(itspec->accepts_cargo); i++) raw_acceptance[i] = GB(res, i * 4, 4);
00386     }
00387   }
00388 
00389   for (byte i = 0; i < lengthof(itspec->accepts_cargo); i++) {
00390     CargoID a = accepts_cargo[i];
00391     /* Only set the value once. */
00392     if (a != CT_INVALID && ac[a] == 0) ac[a] = acceptance[i];
00393   }
00394 }
00395 
00396 static void GetTileDesc_Industry(TileIndex tile, TileDesc *td)
00397 {
00398   const Industry *i = GetIndustryByTile(tile);
00399   const IndustrySpec *is = GetIndustrySpec(i->type);
00400 
00401   td->owner[0] = i->owner;
00402   td->str = is->name;
00403   if (!IsIndustryCompleted(tile)) {
00404     SetDParamX(td->dparam, 0, td->str);
00405     td->str = STR_2058_UNDER_CONSTRUCTION;
00406   }
00407 
00408   if (is->grf_prop.grffile != NULL) {
00409     td->grf = GetGRFConfig(is->grf_prop.grffile->grfid)->name;
00410   }
00411 }
00412 
00413 static CommandCost ClearTile_Industry(TileIndex tile, DoCommandFlag flags)
00414 {
00415   Industry *i = GetIndustryByTile(tile);
00416   const IndustrySpec *indspec = GetIndustrySpec(i->type);
00417 
00418   /* water can destroy industries
00419    * in editor you can bulldoze industries
00420    * with magic_bulldozer cheat you can destroy industries
00421    * (area around OILRIG is water, so water shouldn't flood it
00422    */
00423   if ((_current_company != OWNER_WATER && _game_mode != GM_EDITOR &&
00424       !_cheats.magic_bulldozer.value) ||
00425       ((flags & DC_AUTO) != 0) ||
00426       (_current_company == OWNER_WATER &&
00427         ((indspec->behaviour & INDUSTRYBEH_BUILT_ONWATER) ||
00428         HasBit(GetIndustryTileSpec(GetIndustryGfx(tile))->slopes_refused, 5)))) {
00429     SetDParam(0, indspec->name);
00430     return_cmd_error(flags & DC_AUTO ? STR_4800_IN_THE_WAY : INVALID_STRING_ID);
00431   }
00432 
00433   if (flags & DC_EXEC) {
00434     AI::BroadcastNewEvent(new AIEventIndustryClose(i->index));
00435     delete i;
00436   }
00437   return CommandCost(EXPENSES_CONSTRUCTION, indspec->GetRemovalCost());
00438 }
00439 
00440 static void TransportIndustryGoods(TileIndex tile)
00441 {
00442   Industry *i = GetIndustryByTile(tile);
00443   const IndustrySpec *indspec = GetIndustrySpec(i->type);
00444   bool moved_cargo = false;
00445 
00446   for (uint j = 0; j < lengthof(i->produced_cargo_waiting); j++) {
00447     uint cw = min(i->produced_cargo_waiting[j], 255);
00448     if (cw > indspec->minimal_cargo && i->produced_cargo[j] != CT_INVALID) {
00449       i->produced_cargo_waiting[j] -= cw;
00450 
00451       /* fluctuating economy? */
00452       if (_economy.fluct <= 0) cw = (cw + 1) / 2;
00453 
00454       i->this_month_production[j] += cw;
00455 
00456       uint am = MoveGoodsToStation(i->xy, i->width, i->height, i->produced_cargo[j], cw);
00457       i->this_month_transported[j] += am;
00458 
00459       moved_cargo |= (am != 0);
00460     }
00461   }
00462 
00463   if (moved_cargo && !StartStopIndustryTileAnimation(i, IAT_INDUSTRY_DISTRIBUTES_CARGO)) {
00464     uint newgfx = GetIndustryTileSpec(GetIndustryGfx(tile))->anim_production;
00465 
00466     if (newgfx != INDUSTRYTILE_NOANIM) {
00467       ResetIndustryConstructionStage(tile);
00468       SetIndustryCompleted(tile, true);
00469       SetIndustryGfx(tile, newgfx);
00470       MarkTileDirtyByTile(tile);
00471     }
00472   }
00473 }
00474 
00475 
00476 static void AnimateTile_Industry(TileIndex tile)
00477 {
00478   byte m;
00479   IndustryGfx gfx = GetIndustryGfx(tile);
00480 
00481   if (GetIndustryTileSpec(gfx)->animation_info != 0xFFFF) {
00482     AnimateNewIndustryTile(tile);
00483     return;
00484   }
00485 
00486   switch (gfx) {
00487   case GFX_SUGAR_MINE_SIEVE:
00488     if ((_tick_counter & 1) == 0) {
00489       m = GetIndustryAnimationState(tile) + 1;
00490 
00491       switch (m & 7) {
00492       case 2: SndPlayTileFx(SND_2D_RIP_2, tile); break;
00493       case 6: SndPlayTileFx(SND_29_RIP, tile); break;
00494       }
00495 
00496       if (m >= 96) {
00497         m = 0;
00498         DeleteAnimatedTile(tile);
00499       }
00500       SetIndustryAnimationState(tile, m);
00501 
00502       MarkTileDirtyByTile(tile);
00503     }
00504     break;
00505 
00506   case GFX_TOFFEE_QUARY:
00507     if ((_tick_counter & 3) == 0) {
00508       m = GetIndustryAnimationState(tile);
00509 
00510       if (_industry_anim_offs_toffee[m] == 0xFF) {
00511         SndPlayTileFx(SND_30_CARTOON_SOUND, tile);
00512       }
00513 
00514       if (++m >= 70) {
00515         m = 0;
00516         DeleteAnimatedTile(tile);
00517       }
00518       SetIndustryAnimationState(tile, m);
00519 
00520       MarkTileDirtyByTile(tile);
00521     }
00522     break;
00523 
00524   case GFX_BUBBLE_CATCHER:
00525     if ((_tick_counter & 1) == 0) {
00526       m = GetIndustryAnimationState(tile);
00527 
00528       if (++m >= 40) {
00529         m = 0;
00530         DeleteAnimatedTile(tile);
00531       }
00532       SetIndustryAnimationState(tile, m);
00533 
00534       MarkTileDirtyByTile(tile);
00535     }
00536     break;
00537 
00538   /* Sparks on a coal plant */
00539   case GFX_POWERPLANT_SPARKS:
00540     if ((_tick_counter & 3) == 0) {
00541       m = GetIndustryAnimationState(tile);
00542       if (m == 6) {
00543         SetIndustryAnimationState(tile, 0);
00544         DeleteAnimatedTile(tile);
00545       } else {
00546         SetIndustryAnimationState(tile, m + 1);
00547         MarkTileDirtyByTile(tile);
00548       }
00549     }
00550     break;
00551 
00552   case GFX_TOY_FACTORY:
00553     if ((_tick_counter & 1) == 0) {
00554       m = GetIndustryAnimationState(tile) + 1;
00555 
00556       switch (m) {
00557         case  1: SndPlayTileFx(SND_2C_MACHINERY, tile); break;
00558         case 23: SndPlayTileFx(SND_2B_COMEDY_HIT, tile); break;
00559         case 28: SndPlayTileFx(SND_2A_EXTRACT_AND_POP, tile); break;
00560         default:
00561           if (m >= 50) {
00562             int n = GetIndustryAnimationLoop(tile) + 1;
00563             m = 0;
00564             if (n >= 8) {
00565               n = 0;
00566               DeleteAnimatedTile(tile);
00567             }
00568             SetIndustryAnimationLoop(tile, n);
00569           }
00570       }
00571 
00572       SetIndustryAnimationState(tile, m);
00573       MarkTileDirtyByTile(tile);
00574     }
00575     break;
00576 
00577   case GFX_PLASTIC_FOUNTAIN_ANIMATED_1: case GFX_PLASTIC_FOUNTAIN_ANIMATED_2:
00578   case GFX_PLASTIC_FOUNTAIN_ANIMATED_3: case GFX_PLASTIC_FOUNTAIN_ANIMATED_4:
00579   case GFX_PLASTIC_FOUNTAIN_ANIMATED_5: case GFX_PLASTIC_FOUNTAIN_ANIMATED_6:
00580   case GFX_PLASTIC_FOUNTAIN_ANIMATED_7: case GFX_PLASTIC_FOUNTAIN_ANIMATED_8:
00581     if ((_tick_counter & 3) == 0) {
00582       IndustryGfx gfx = GetIndustryGfx(tile);
00583 
00584       gfx = (gfx < 155) ? gfx + 1 : 148;
00585       SetIndustryGfx(tile, gfx);
00586       MarkTileDirtyByTile(tile);
00587     }
00588     break;
00589 
00590   case GFX_OILWELL_ANIMATED_1:
00591   case GFX_OILWELL_ANIMATED_2:
00592   case GFX_OILWELL_ANIMATED_3:
00593     if ((_tick_counter & 7) == 0) {
00594       bool b = Chance16(1, 7);
00595       IndustryGfx gfx = GetIndustryGfx(tile);
00596 
00597       m = GetIndustryAnimationState(tile) + 1;
00598       if (m == 4 && (m = 0, ++gfx) == GFX_OILWELL_ANIMATED_3 + 1 && (gfx = GFX_OILWELL_ANIMATED_1, b)) {
00599         SetIndustryGfx(tile, GFX_OILWELL_NOT_ANIMATED);
00600         SetIndustryConstructionStage(tile, 3);
00601         DeleteAnimatedTile(tile);
00602       } else {
00603         SetIndustryAnimationState(tile, m);
00604         SetIndustryGfx(tile, gfx);
00605         MarkTileDirtyByTile(tile);
00606       }
00607     }
00608     break;
00609 
00610   case GFX_COAL_MINE_TOWER_ANIMATED:
00611   case GFX_COPPER_MINE_TOWER_ANIMATED:
00612   case GFX_GOLD_MINE_TOWER_ANIMATED: {
00613       int state = _tick_counter & 0x7FF;
00614 
00615       if ((state -= 0x400) < 0)
00616         return;
00617 
00618       if (state < 0x1A0) {
00619         if (state < 0x20 || state >= 0x180) {
00620           m = GetIndustryAnimationState(tile);
00621           if (!(m & 0x40)) {
00622             SetIndustryAnimationState(tile, m | 0x40);
00623             SndPlayTileFx(SND_0B_MINING_MACHINERY, tile);
00624           }
00625           if (state & 7)
00626             return;
00627         } else {
00628           if (state & 3)
00629             return;
00630         }
00631         m = (GetIndustryAnimationState(tile) + 1) | 0x40;
00632         if (m > 0xC2) m = 0xC0;
00633         SetIndustryAnimationState(tile, m);
00634         MarkTileDirtyByTile(tile);
00635       } else if (state >= 0x200 && state < 0x3A0) {
00636         int i;
00637         i = (state < 0x220 || state >= 0x380) ? 7 : 3;
00638         if (state & i)
00639           return;
00640 
00641         m = (GetIndustryAnimationState(tile) & 0xBF) - 1;
00642         if (m < 0x80) m = 0x82;
00643         SetIndustryAnimationState(tile, m);
00644         MarkTileDirtyByTile(tile);
00645       }
00646     } break;
00647   }
00648 }
00649 
00650 static void CreateChimneySmoke(TileIndex tile)
00651 {
00652   uint x = TileX(tile) * TILE_SIZE;
00653   uint y = TileY(tile) * TILE_SIZE;
00654   uint z = GetTileMaxZ(tile);
00655 
00656   CreateEffectVehicle(x + 15, y + 14, z + 59, EV_CHIMNEY_SMOKE);
00657 }
00658 
00659 static void MakeIndustryTileBigger(TileIndex tile)
00660 {
00661   byte cnt = GetIndustryConstructionCounter(tile) + 1;
00662   byte stage;
00663 
00664   if (cnt != 4) {
00665     SetIndustryConstructionCounter(tile, cnt);
00666     return;
00667   }
00668 
00669   stage = GetIndustryConstructionStage(tile) + 1;
00670   SetIndustryConstructionCounter(tile, 0);
00671   SetIndustryConstructionStage(tile, stage);
00672   StartStopIndustryTileAnimation(tile, IAT_CONSTRUCTION_STATE_CHANGE);
00673   if (stage == INDUSTRY_COMPLETED) SetIndustryCompleted(tile, true);
00674 
00675   MarkTileDirtyByTile(tile);
00676 
00677   if (!IsIndustryCompleted(tile)) return;
00678 
00679   IndustryGfx gfx = GetIndustryGfx(tile);
00680   if (gfx >= NEW_INDUSTRYTILEOFFSET) {
00681     /* New industries are already animated on construction. */
00682     return;
00683   }
00684 
00685   switch (gfx) {
00686   case GFX_POWERPLANT_CHIMNEY:
00687     CreateChimneySmoke(tile);
00688     break;
00689 
00690   case GFX_OILRIG_1:
00691     if (GetIndustryGfx(tile + TileDiffXY(0, 1)) == GFX_OILRIG_1) BuildOilRig(tile);
00692     break;
00693 
00694   case GFX_TOY_FACTORY:
00695   case GFX_BUBBLE_CATCHER:
00696   case GFX_TOFFEE_QUARY:
00697     SetIndustryAnimationState(tile, 0);
00698     SetIndustryAnimationLoop(tile, 0);
00699     break;
00700 
00701   case GFX_PLASTIC_FOUNTAIN_ANIMATED_1: case GFX_PLASTIC_FOUNTAIN_ANIMATED_2:
00702   case GFX_PLASTIC_FOUNTAIN_ANIMATED_3: case GFX_PLASTIC_FOUNTAIN_ANIMATED_4:
00703   case GFX_PLASTIC_FOUNTAIN_ANIMATED_5: case GFX_PLASTIC_FOUNTAIN_ANIMATED_6:
00704   case GFX_PLASTIC_FOUNTAIN_ANIMATED_7: case GFX_PLASTIC_FOUNTAIN_ANIMATED_8:
00705     AddAnimatedTile(tile);
00706     break;
00707   }
00708 }
00709 
00710 static void TileLoopIndustry_BubbleGenerator(TileIndex tile)
00711 {
00712   int dir;
00713   Vehicle *v;
00714   static const int8 _bubble_spawn_location[3][4] = {
00715     { 11,   0, -4, -14 },
00716     { -4, -10, -4,   1 },
00717     { 49,  59, 60,  65 },
00718   };
00719 
00720   SndPlayTileFx(SND_2E_EXTRACT_AND_POP, tile);
00721 
00722   dir = Random() & 3;
00723 
00724   v = CreateEffectVehicleAbove(
00725     TileX(tile) * TILE_SIZE + _bubble_spawn_location[0][dir],
00726     TileY(tile) * TILE_SIZE + _bubble_spawn_location[1][dir],
00727     _bubble_spawn_location[2][dir],
00728     EV_BUBBLE
00729   );
00730 
00731   if (v != NULL) v->u.effect.animation_substate = dir;
00732 }
00733 
00734 static void TileLoop_Industry(TileIndex tile)
00735 {
00736   IndustryGfx newgfx;
00737   IndustryGfx gfx;
00738 
00739   if (IsIndustryTileOnWater(tile)) TileLoop_Water(tile);
00740 
00741   TriggerIndustryTile(tile, INDTILE_TRIGGER_TILE_LOOP);
00742 
00743   if (!IsIndustryCompleted(tile)) {
00744     MakeIndustryTileBigger(tile);
00745     return;
00746   }
00747 
00748   if (_game_mode == GM_EDITOR) return;
00749 
00750   TransportIndustryGoods(tile);
00751 
00752   if (StartStopIndustryTileAnimation(tile, IAT_TILELOOP)) return;
00753 
00754   newgfx = GetIndustryTileSpec(GetIndustryGfx(tile))->anim_next;
00755   if (newgfx != INDUSTRYTILE_NOANIM) {
00756     ResetIndustryConstructionStage(tile);
00757     SetIndustryGfx(tile, newgfx);
00758     MarkTileDirtyByTile(tile);
00759     return;
00760   }
00761 
00762   gfx = GetIndustryGfx(tile);
00763 
00764   switch (gfx) {
00765   case GFX_COAL_MINE_TOWER_NOT_ANIMATED:
00766   case GFX_COPPER_MINE_TOWER_NOT_ANIMATED:
00767   case GFX_GOLD_MINE_TOWER_NOT_ANIMATED:
00768     if (!(_tick_counter & 0x400) && Chance16(1, 2)) {
00769       switch (gfx) {
00770         case GFX_COAL_MINE_TOWER_NOT_ANIMATED:   gfx = GFX_COAL_MINE_TOWER_ANIMATED;   break;
00771         case GFX_COPPER_MINE_TOWER_NOT_ANIMATED: gfx = GFX_COPPER_MINE_TOWER_ANIMATED; break;
00772         case GFX_GOLD_MINE_TOWER_NOT_ANIMATED:   gfx = GFX_GOLD_MINE_TOWER_ANIMATED;   break;
00773       }
00774       SetIndustryGfx(tile, gfx);
00775       SetIndustryAnimationState(tile, 0x80);
00776       AddAnimatedTile(tile);
00777     }
00778     break;
00779 
00780   case GFX_OILWELL_NOT_ANIMATED:
00781     if (Chance16(1, 6)) {
00782       SetIndustryGfx(tile, GFX_OILWELL_ANIMATED_1);
00783       SetIndustryAnimationState(tile, 0);
00784       AddAnimatedTile(tile);
00785     }
00786     break;
00787 
00788   case GFX_COAL_MINE_TOWER_ANIMATED:
00789   case GFX_COPPER_MINE_TOWER_ANIMATED:
00790   case GFX_GOLD_MINE_TOWER_ANIMATED:
00791     if (!(_tick_counter & 0x400)) {
00792       switch (gfx) {
00793         case GFX_COAL_MINE_TOWER_ANIMATED:   gfx = GFX_COAL_MINE_TOWER_NOT_ANIMATED;   break;
00794         case GFX_COPPER_MINE_TOWER_ANIMATED: gfx = GFX_COPPER_MINE_TOWER_NOT_ANIMATED; break;
00795         case GFX_GOLD_MINE_TOWER_ANIMATED:   gfx = GFX_GOLD_MINE_TOWER_NOT_ANIMATED;   break;
00796       }
00797       SetIndustryGfx(tile, gfx);
00798       SetIndustryCompleted(tile, true);
00799       SetIndustryConstructionStage(tile, 3);
00800       DeleteAnimatedTile(tile);
00801     }
00802     break;
00803 
00804   case GFX_POWERPLANT_SPARKS:
00805     if (Chance16(1, 3)) {
00806       SndPlayTileFx(SND_0C_ELECTRIC_SPARK, tile);
00807       AddAnimatedTile(tile);
00808     }
00809     break;
00810 
00811   case GFX_COPPER_MINE_CHIMNEY:
00812     CreateEffectVehicleAbove(TileX(tile) * TILE_SIZE + 6, TileY(tile) * TILE_SIZE + 6, 43, EV_SMOKE);
00813     break;
00814 
00815 
00816   case GFX_TOY_FACTORY: {
00817       Industry *i = GetIndustryByTile(tile);
00818       if (i->was_cargo_delivered) {
00819         i->was_cargo_delivered = false;
00820         SetIndustryAnimationLoop(tile, 0);
00821         AddAnimatedTile(tile);
00822       }
00823     }
00824     break;
00825 
00826   case GFX_BUBBLE_GENERATOR:
00827     TileLoopIndustry_BubbleGenerator(tile);
00828     break;
00829 
00830   case GFX_TOFFEE_QUARY:
00831     AddAnimatedTile(tile);
00832     break;
00833 
00834   case GFX_SUGAR_MINE_SIEVE:
00835     if (Chance16(1, 3)) AddAnimatedTile(tile);
00836     break;
00837   }
00838 }
00839 
00840 static bool ClickTile_Industry(TileIndex tile)
00841 {
00842   ShowIndustryViewWindow(GetIndustryIndex(tile));
00843   return true;
00844 }
00845 
00846 static TrackStatus GetTileTrackStatus_Industry(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
00847 {
00848   return 0;
00849 }
00850 
00851 static void GetProducedCargo_Industry(TileIndex tile, CargoID *b)
00852 {
00853   const Industry *i = GetIndustryByTile(tile);
00854 
00855   b[0] = i->produced_cargo[0];
00856   b[1] = i->produced_cargo[1];
00857 }
00858 
00859 static void ChangeTileOwner_Industry(TileIndex tile, Owner old_owner, Owner new_owner)
00860 {
00861   /* If the founder merges, the industry was created by the merged company */
00862   Industry *i = GetIndustryByTile(tile);
00863   if (i->founder == old_owner) i->founder = (new_owner == INVALID_OWNER) ? OWNER_NONE : new_owner;
00864 }
00865 
00866 static const byte _plantfarmfield_type[] = {1, 1, 1, 1, 1, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6};
00867 
00868 static bool IsBadFarmFieldTile(TileIndex tile)
00869 {
00870   switch (GetTileType(tile)) {
00871     case MP_CLEAR: return IsClearGround(tile, CLEAR_FIELDS) || IsClearGround(tile, CLEAR_SNOW) || IsClearGround(tile, CLEAR_DESERT);
00872     case MP_TREES: return (GetTreeGround(tile) == TREE_GROUND_SHORE);
00873     default:       return true;
00874   }
00875 }
00876 
00877 static bool IsBadFarmFieldTile2(TileIndex tile)
00878 {
00879   switch (GetTileType(tile)) {
00880     case MP_CLEAR: return IsClearGround(tile, CLEAR_SNOW) || IsClearGround(tile, CLEAR_DESERT);
00881     case MP_TREES: return (GetTreeGround(tile) == TREE_GROUND_SHORE);
00882     default:       return true;
00883   }
00884 }
00885 
00886 static void SetupFarmFieldFence(TileIndex tile, int size, byte type, Axis direction)
00887 {
00888   do {
00889     tile = TILE_MASK(tile);
00890 
00891     if (IsTileType(tile, MP_CLEAR) || IsTileType(tile, MP_TREES)) {
00892       byte or_ = type;
00893 
00894       if (or_ == 1 && Chance16(1, 7)) or_ = 2;
00895 
00896       if (direction == AXIS_X) {
00897         SetFenceSE(tile, or_);
00898       } else {
00899         SetFenceSW(tile, or_);
00900       }
00901     }
00902 
00903     tile += (direction == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
00904   } while (--size);
00905 }
00906 
00907 static void PlantFarmField(TileIndex tile, IndustryID industry)
00908 {
00909   uint size_x, size_y;
00910   uint32 r;
00911   uint count;
00912   uint counter;
00913   uint field_type;
00914   int type;
00915 
00916   if (_settings_game.game_creation.landscape == LT_ARCTIC) {
00917     if (GetTileZ(tile) + TILE_HEIGHT * 2 >= GetSnowLine())
00918       return;
00919   }
00920 
00921   /* determine field size */
00922   r = (Random() & 0x303) + 0x404;
00923   if (_settings_game.game_creation.landscape == LT_ARCTIC) r += 0x404;
00924   size_x = GB(r, 0, 8);
00925   size_y = GB(r, 8, 8);
00926 
00927   /* offset tile to match size */
00928   tile -= TileDiffXY(size_x / 2, size_y / 2);
00929 
00930   if (TileX(tile) + size_x >= MapSizeX() || TileY(tile) + size_y >= MapSizeY()) return;
00931 
00932   /* check the amount of bad tiles */
00933   count = 0;
00934   BEGIN_TILE_LOOP(cur_tile, size_x, size_y, tile)
00935     assert(cur_tile < MapSize());
00936     count += IsBadFarmFieldTile(cur_tile);
00937   END_TILE_LOOP(cur_tile, size_x, size_y, tile)
00938   if (count * 2 >= size_x * size_y) return;
00939 
00940   /* determine type of field */
00941   r = Random();
00942   counter = GB(r, 5, 3);
00943   field_type = GB(r, 8, 8) * 9 >> 8;
00944 
00945   /* make field */
00946   BEGIN_TILE_LOOP(cur_tile, size_x, size_y, tile)
00947     assert(cur_tile < MapSize());
00948     if (!IsBadFarmFieldTile2(cur_tile)) {
00949       MakeField(cur_tile, field_type, industry);
00950       SetClearCounter(cur_tile, counter);
00951       MarkTileDirtyByTile(cur_tile);
00952     }
00953   END_TILE_LOOP(cur_tile, size_x, size_y, tile)
00954 
00955   type = 3;
00956   if (_settings_game.game_creation.landscape != LT_ARCTIC && _settings_game.game_creation.landscape != LT_TROPIC) {
00957     type = _plantfarmfield_type[Random() & 0xF];
00958   }
00959 
00960   SetupFarmFieldFence(tile - TileDiffXY(1, 0), size_y, type, AXIS_Y);
00961   SetupFarmFieldFence(tile - TileDiffXY(0, 1), size_x, type, AXIS_X);
00962   SetupFarmFieldFence(tile + TileDiffXY(size_x - 1, 0), size_y, type, AXIS_Y);
00963   SetupFarmFieldFence(tile + TileDiffXY(0, size_y - 1), size_x, type, AXIS_X);
00964 }
00965 
00966 void PlantRandomFarmField(const Industry *i)
00967 {
00968   int x = i->width  / 2 + Random() % 31 - 16;
00969   int y = i->height / 2 + Random() % 31 - 16;
00970 
00971   TileIndex tile = TileAddWrap(i->xy, x, y);
00972 
00973   if (tile != INVALID_TILE) PlantFarmField(tile, i->index);
00974 }
00975 
00982 static bool SearchLumberMillTrees(TileIndex tile, void *user_data)
00983 {
00984   if (IsTileType(tile, MP_TREES) && GetTreeGrowth(tile) > 2) { 
00985     CompanyID old_company = _current_company;
00986     /* found a tree */
00987 
00988     _current_company = OWNER_NONE;
00989     _industry_sound_ctr = 1;
00990     _industry_sound_tile = tile;
00991     SndPlayTileFx(SND_38_CHAINSAW, tile);
00992 
00993     DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
00994 
00995     _current_company = old_company;
00996     return true;
00997   }
00998   return false;
00999 }
01000 
01005 static void ChopLumberMillTrees(Industry *i)
01006 {
01007   TileIndex tile = i->xy;
01008 
01009   if (!IsIndustryCompleted(tile)) return;  
01010 
01011   if (CircularTileSearch(&tile, 40, SearchLumberMillTrees, NULL)) 
01012     i->produced_cargo_waiting[0] = min(0xffff, i->produced_cargo_waiting[0] + 45); 
01013 }
01014 
01015 static void ProduceIndustryGoods(Industry *i)
01016 {
01017   uint32 r;
01018   uint num;
01019   const IndustrySpec *indsp = GetIndustrySpec(i->type);
01020 
01021   /* play a sound? */
01022   if ((i->counter & 0x3F) == 0) {
01023     if (Chance16R(1, 14, r) && (num = indsp->number_of_sounds) != 0) {
01024       SndPlayTileFx(
01025         (SoundFx)(indsp->random_sounds[((r >> 16) * num) >> 16]),
01026         i->xy);
01027     }
01028   }
01029 
01030   i->counter--;
01031 
01032   /* produce some cargo */
01033   if ((i->counter & 0xFF) == 0) {
01034     if (HasBit(indsp->callback_flags, CBM_IND_PRODUCTION_256_TICKS)) IndustryProductionCallback(i, 1);
01035 
01036     IndustryBehaviour indbehav = indsp->behaviour;
01037     i->produced_cargo_waiting[0] = min(0xffff, i->produced_cargo_waiting[0] + i->production_rate[0]);
01038     i->produced_cargo_waiting[1] = min(0xffff, i->produced_cargo_waiting[1] + i->production_rate[1]);
01039 
01040     if ((indbehav & INDUSTRYBEH_PLANT_FIELDS) != 0) {
01041       bool plant;
01042       if (HasBit(indsp->callback_flags, CBM_IND_SPECIAL_EFFECT)) {
01043         plant = (GetIndustryCallback(CBID_INDUSTRY_SPECIAL_EFFECT, Random(), 0, i, i->type, i->xy) != 0);
01044       } else {
01045         plant = Chance16(1, 8);
01046       }
01047 
01048       if (plant) PlantRandomFarmField(i);
01049     }
01050     if ((indbehav & INDUSTRYBEH_CUT_TREES) != 0) {
01051       bool cut = ((i->counter & 0x1FF) == 0);
01052       if (HasBit(indsp->callback_flags, CBM_IND_SPECIAL_EFFECT)) {
01053         cut = (GetIndustryCallback(CBID_INDUSTRY_SPECIAL_EFFECT, 0, 1, i, i->type, i->xy) != 0);
01054       }
01055 
01056       if (cut) ChopLumberMillTrees(i);
01057     }
01058 
01059     TriggerIndustry(i, INDUSTRY_TRIGGER_INDUSTRY_TICK);
01060     StartStopIndustryTileAnimation(i, IAT_INDUSTRY_TICK);
01061   }
01062 }
01063 
01064 void OnTick_Industry()
01065 {
01066   Industry *i;
01067 
01068   if (_industry_sound_ctr != 0) {
01069     _industry_sound_ctr++;
01070 
01071     if (_industry_sound_ctr == 75) {
01072       SndPlayTileFx(SND_37_BALLOON_SQUEAK, _industry_sound_tile);
01073     } else if (_industry_sound_ctr == 160) {
01074       _industry_sound_ctr = 0;
01075       SndPlayTileFx(SND_36_CARTOON_CRASH, _industry_sound_tile);
01076     }
01077   }
01078 
01079   if (_game_mode == GM_EDITOR) return;
01080 
01081   FOR_ALL_INDUSTRIES(i) {
01082     ProduceIndustryGoods(i);
01083   }
01084 }
01085 
01086 static bool CheckNewIndustry_NULL(TileIndex tile)
01087 {
01088   return true;
01089 }
01090 
01091 static bool CheckNewIndustry_Forest(TileIndex tile)
01092 {
01093   if (_settings_game.game_creation.landscape == LT_ARCTIC) {
01094     if (GetTileZ(tile) < HighestSnowLine() + TILE_HEIGHT * 2U) {
01095       _error_message = STR_4831_FOREST_CAN_ONLY_BE_PLANTED;
01096       return false;
01097     }
01098   }
01099   return true;
01100 }
01101 
01102 static bool CheckNewIndustry_OilRefinery(TileIndex tile)
01103 {
01104   if (_game_mode == GM_EDITOR) return true;
01105   if (DistanceFromEdge(TILE_ADDXY(tile, 1, 1)) < _settings_game.game_creation.oil_refinery_limit) return true;
01106 
01107   _error_message = STR_483B_CAN_ONLY_BE_POSITIONED;
01108   return false;
01109 }
01110 
01111 extern bool _ignore_restrictions;
01112 
01113 static bool CheckNewIndustry_OilRig(TileIndex tile)
01114 {
01115   if (_game_mode == GM_EDITOR && _ignore_restrictions) return true;
01116   if (TileHeight(tile) == 0 &&
01117       DistanceFromEdge(TILE_ADDXY(tile, 1, 1)) < _settings_game.game_creation.oil_refinery_limit) return true;
01118 
01119   _error_message = STR_483B_CAN_ONLY_BE_POSITIONED;
01120   return false;
01121 }
01122 
01123 static bool CheckNewIndustry_Farm(TileIndex tile)
01124 {
01125   if (_settings_game.game_creation.landscape == LT_ARCTIC) {
01126     if (GetTileZ(tile) + TILE_HEIGHT * 2 >= HighestSnowLine()) {
01127       _error_message = STR_0239_SITE_UNSUITABLE;
01128       return false;
01129     }
01130   }
01131   return true;
01132 }
01133 
01134 static bool CheckNewIndustry_Plantation(TileIndex tile)
01135 {
01136   if (GetTropicZone(tile) == TROPICZONE_DESERT) {
01137     _error_message = STR_0239_SITE_UNSUITABLE;
01138     return false;
01139   }
01140 
01141   return true;
01142 }
01143 
01144 static bool CheckNewIndustry_Water(TileIndex tile)
01145 {
01146   if (GetTropicZone(tile) != TROPICZONE_DESERT) {
01147     _error_message = STR_0318_CAN_ONLY_BE_BUILT_IN_DESERT;
01148     return false;
01149   }
01150 
01151   return true;
01152 }
01153 
01154 static bool CheckNewIndustry_Lumbermill(TileIndex tile)
01155 {
01156   if (GetTropicZone(tile) != TROPICZONE_RAINFOREST) {
01157     _error_message = STR_0317_CAN_ONLY_BE_BUILT_IN_RAINFOREST;
01158     return false;
01159   }
01160   return true;
01161 }
01162 
01163 static bool CheckNewIndustry_BubbleGen(TileIndex tile)
01164 {
01165   return GetTileZ(tile) <= TILE_HEIGHT * 4;
01166 }
01167 
01168 typedef bool CheckNewIndustryProc(TileIndex tile);
01169 static CheckNewIndustryProc * const _check_new_industry_procs[CHECK_END] = {
01170   CheckNewIndustry_NULL,
01171   CheckNewIndustry_Forest,
01172   CheckNewIndustry_OilRefinery,
01173   CheckNewIndustry_Farm,
01174   CheckNewIndustry_Plantation,
01175   CheckNewIndustry_Water,
01176   CheckNewIndustry_Lumbermill,
01177   CheckNewIndustry_BubbleGen,
01178   CheckNewIndustry_OilRig
01179 };
01180 
01181 static const Town *CheckMultipleIndustryInTown(TileIndex tile, int type)
01182 {
01183   const Town *t;
01184   const Industry *i;
01185 
01186   t = ClosestTownFromTile(tile, UINT_MAX);
01187 
01188   if (_settings_game.economy.multiple_industry_per_town) return t;
01189 
01190   FOR_ALL_INDUSTRIES(i) {
01191     if (i->type == (byte)type &&
01192         i->town == t) {
01193       _error_message = STR_0287_ONLY_ONE_ALLOWED_PER_TOWN;
01194       return NULL;
01195     }
01196   }
01197 
01198   return t;
01199 }
01200 
01201 bool IsSlopeRefused(Slope current, Slope refused)
01202 {
01203   if (IsSteepSlope(current)) return true;
01204   if (current != SLOPE_FLAT) {
01205     if (IsSteepSlope(refused)) return true;
01206 
01207     Slope t = ComplementSlope(current);
01208 
01209     if (refused & SLOPE_W && (t & SLOPE_NW)) return true;
01210     if (refused & SLOPE_S && (t & SLOPE_NE)) return true;
01211     if (refused & SLOPE_E && (t & SLOPE_SW)) return true;
01212     if (refused & SLOPE_N && (t & SLOPE_SE)) return true;
01213   }
01214 
01215   return false;
01216 }
01217 
01218 static bool CheckIfIndustryTilesAreFree(TileIndex tile, const IndustryTileTable *it, uint itspec_index, int type, bool *custom_shape_check = NULL)
01219 {
01220   _error_message = STR_0239_SITE_UNSUITABLE;
01221   bool refused_slope = false;
01222   bool custom_shape = false;
01223 
01224   do {
01225     IndustryGfx gfx = GetTranslatedIndustryTileID(it->gfx);
01226     if (TileX(tile) + it->ti.x >= MapSizeX()) return false;
01227     if (TileY(tile) + it->ti.y >= MapSizeY()) return false;
01228     TileIndex cur_tile = tile + ToTileIndexDiff(it->ti);
01229 
01230     if (!IsValidTile(cur_tile)) {
01231       if (gfx == GFX_WATERTILE_SPECIALCHECK) continue;
01232       return false;
01233     }
01234 
01235     if (gfx == GFX_WATERTILE_SPECIALCHECK) {
01236       if (!IsTileType(cur_tile, MP_WATER) ||
01237           GetTileSlope(cur_tile, NULL) != SLOPE_FLAT) {
01238         return false;
01239       }
01240     } else {
01241       if (!EnsureNoVehicleOnGround(cur_tile)) return false;
01242       if (MayHaveBridgeAbove(cur_tile) && IsBridgeAbove(cur_tile)) return false;
01243 
01244       const IndustryTileSpec *its = GetIndustryTileSpec(gfx);
01245 
01246       IndustryBehaviour ind_behav = GetIndustrySpec(type)->behaviour;
01247 
01248       /* Perform land/water check if not disabled */
01249       if (!HasBit(its->slopes_refused, 5) && (IsWaterTile(cur_tile) == !(ind_behav & INDUSTRYBEH_BUILT_ONWATER))) return false;
01250 
01251       if (HasBit(its->callback_flags, CBM_INDT_SHAPE_CHECK)) {
01252         custom_shape = true;
01253         if (!PerformIndustryTileSlopeCheck(tile, cur_tile, its, type, gfx, itspec_index)) return false;
01254       } else {
01255         Slope tileh = GetTileSlope(cur_tile, NULL);
01256         refused_slope |= IsSlopeRefused(tileh, its->slopes_refused);
01257       }
01258 
01259       if ((ind_behav & (INDUSTRYBEH_ONLY_INTOWN | INDUSTRYBEH_TOWN1200_MORE)) || // Tile must be a house
01260           ((ind_behav & INDUSTRYBEH_ONLY_NEARTOWN) && IsTileType(cur_tile, MP_HOUSE))) { // Tile is allowed to be a house (and it is a house)
01261         if (!IsTileType(cur_tile, MP_HOUSE)) {
01262           _error_message = STR_030D_CAN_ONLY_BE_BUILT_IN_TOWNS;
01263           return false;
01264         }
01265 
01266         /* Clear the tiles as OWNER_TOWN to not affect town rating, and to not clear protected buildings */
01267         CompanyID old_company = _current_company;
01268         _current_company = OWNER_TOWN;
01269         bool not_clearable = CmdFailed(DoCommand(cur_tile, 0, 0, DC_NONE, CMD_LANDSCAPE_CLEAR));
01270         _current_company = old_company;
01271 
01272         if (not_clearable) return false;
01273       } else {
01274         /* Clear the tiles, but do not affect town ratings */
01275         bool not_clearable = CmdFailed(DoCommand(cur_tile, 0, 0, DC_AUTO | DC_NO_TEST_TOWN_RATING | DC_NO_MODIFY_TOWN_RATING, CMD_LANDSCAPE_CLEAR));
01276 
01277         if (not_clearable) return false;
01278       }
01279     }
01280   } while ((++it)->ti.x != -0x80);
01281 
01282   if (custom_shape_check != NULL) *custom_shape_check = custom_shape;
01283 
01284   /* It is almost impossible to have a fully flat land in TG, so what we
01285    *  do is that we check if we can make the land flat later on. See
01286    *  CheckIfCanLevelIndustryPlatform(). */
01287   return !refused_slope || (_settings_game.game_creation.land_generator == LG_TERRAGENESIS && _generating_world && !custom_shape && !_ignore_restrictions);
01288 }
01289 
01290 static bool CheckIfIndustryIsAllowed(TileIndex tile, int type, const Town *t)
01291 {
01292   if ((GetIndustrySpec(type)->behaviour & INDUSTRYBEH_TOWN1200_MORE) && t->population < 1200) {
01293     _error_message = STR_029D_CAN_ONLY_BE_BUILT_IN_TOWNS;
01294     return false;
01295   }
01296 
01297   if ((GetIndustrySpec(type)->behaviour & INDUSTRYBEH_ONLY_NEARTOWN) && DistanceMax(t->xy, tile) > 9) {
01298     _error_message = STR_0239_SITE_UNSUITABLE;
01299     return false;
01300   }
01301 
01302   return true;
01303 }
01304 
01305 static bool CheckCanTerraformSurroundingTiles(TileIndex tile, uint height, int internal)
01306 {
01307   int size_x, size_y;
01308   uint curh;
01309 
01310   size_x = 2;
01311   size_y = 2;
01312 
01313   /* Check if we don't leave the map */
01314   if (TileX(tile) == 0 || TileY(tile) == 0 || GetTileType(tile) == MP_VOID) return false;
01315 
01316   tile += TileDiffXY(-1, -1);
01317   BEGIN_TILE_LOOP(tile_walk, size_x, size_y, tile) {
01318     curh = TileHeight(tile_walk);
01319     /* Is the tile clear? */
01320     if ((GetTileType(tile_walk) != MP_CLEAR) && (GetTileType(tile_walk) != MP_TREES))
01321       return false;
01322 
01323     /* Don't allow too big of a change if this is the sub-tile check */
01324     if (internal != 0 && Delta(curh, height) > 1) return false;
01325 
01326     /* Different height, so the surrounding tiles of this tile
01327      *  has to be correct too (in level, or almost in level)
01328      *  else you get a chain-reaction of terraforming. */
01329     if (internal == 0 && curh != height) {
01330       if (TileX(tile_walk) == 0 || TileY(tile_walk) == 0 || !CheckCanTerraformSurroundingTiles(tile_walk + TileDiffXY(-1, -1), height, internal + 1))
01331         return false;
01332     }
01333   } END_TILE_LOOP(tile_walk, size_x, size_y, tile);
01334 
01335   return true;
01336 }
01337 
01342 static bool CheckIfCanLevelIndustryPlatform(TileIndex tile, DoCommandFlag flags, const IndustryTileTable *it, int type)
01343 {
01344   const int MKEND = -0x80;   // used for last element in an IndustryTileTable (see build_industry.h)
01345   int max_x = 0;
01346   int max_y = 0;
01347   TileIndex cur_tile;
01348   uint size_x, size_y;
01349   uint h, curh;
01350 
01351   /* Finds dimensions of largest variant of this industry */
01352   do {
01353     if (it->gfx == 0xFF) continue;  //  FF been a marquer for a check on clear water, skip it
01354     if (it->ti.x > max_x) max_x = it->ti.x;
01355     if (it->ti.y > max_y) max_y = it->ti.y;
01356   } while ((++it)->ti.x != MKEND);
01357 
01358   /* Remember level height */
01359   h = TileHeight(tile);
01360 
01361   if (TileX(tile) <= 1 || TileY(tile) <= 1) return false;
01362   /* Check that all tiles in area and surrounding are clear
01363    * this determines that there are no obstructing items */
01364   cur_tile = tile + TileDiffXY(-1, -1);
01365   size_x = max_x + 4;
01366   size_y = max_y + 4;
01367 
01368   /* Check if we don't leave the map */
01369   if (TileX(cur_tile) + size_x >= MapMaxX() || TileY(cur_tile) + size_y >= MapMaxY()) return false;
01370 
01371   /* _current_company is OWNER_NONE for randomly generated industries and in editor, or the company who funded or prospected the industry.
01372    * Perform terraforming as OWNER_TOWN to disable autoslope and town ratings. */
01373   CompanyID old_company = _current_company;
01374   _current_company = OWNER_TOWN;
01375 
01376   BEGIN_TILE_LOOP(tile_walk, size_x, size_y, cur_tile) {
01377     curh = TileHeight(tile_walk);
01378     if (curh != h) {
01379       /* This tile needs terraforming. Check if we can do that without
01380        *  damaging the surroundings too much. */
01381       if (!CheckCanTerraformSurroundingTiles(tile_walk, h, 0)) {
01382         _current_company = old_company;
01383         return false;
01384       }
01385       /* This is not 100% correct check, but the best we can do without modifying the map.
01386        *  What is missing, is if the difference in height is more than 1.. */
01387       if (CmdFailed(DoCommand(tile_walk, SLOPE_N, (curh > h) ? 0 : 1, flags & ~DC_EXEC, CMD_TERRAFORM_LAND))) {
01388         _current_company = old_company;
01389         return false;
01390       }
01391     }
01392   } END_TILE_LOOP(tile_walk, size_x, size_y, cur_tile)
01393 
01394   if (flags & DC_EXEC) {
01395     /* Terraform the land under the industry */
01396     BEGIN_TILE_LOOP(tile_walk, size_x, size_y, cur_tile) {
01397       curh = TileHeight(tile_walk);
01398       while (curh != h) {
01399         /* We give the terraforming for free here, because we can't calculate
01400          *  exact cost in the test-round, and as we all know, that will cause
01401          *  a nice assert if they don't match ;) */
01402         DoCommand(tile_walk, SLOPE_N, (curh > h) ? 0 : 1, flags, CMD_TERRAFORM_LAND);
01403         curh += (curh > h) ? -1 : 1;
01404       }
01405     } END_TILE_LOOP(tile_walk, size_x, size_y, cur_tile)
01406   }
01407 
01408   _current_company = old_company;
01409   return true;
01410 }
01411 
01412 
01413 static bool CheckIfFarEnoughFromIndustry(TileIndex tile, int type)
01414 {
01415   const IndustrySpec *indspec = GetIndustrySpec(type);
01416   const Industry *i;
01417 
01418   if (_settings_game.economy.same_industry_close && indspec->IsRawIndustry())
01419     /* Allow primary industries to be placed close to any other industry */
01420     return true;
01421 
01422   FOR_ALL_INDUSTRIES(i) {
01423     /* Within 14 tiles from another industry is considered close */
01424     bool in_low_distance = DistanceMax(tile, i->xy) <= 14;
01425 
01426     /* check if an industry that accepts the same goods is nearby */
01427     if (in_low_distance &&
01428         !indspec->IsRawIndustry() && // not a primary industry?
01429         indspec->accepts_cargo[0] == i->accepts_cargo[0] && (
01430         /* at least one of those options must be true */
01431         _game_mode != GM_EDITOR || // editor must not be stopped
01432         !_settings_game.economy.same_industry_close ||
01433         !_settings_game.economy.multiple_industry_per_town)) {
01434       _error_message = STR_INDUSTRY_TOO_CLOSE;
01435       return false;
01436     }
01437 
01438     /* check if there are any conflicting industry types around */
01439     if ((i->type == indspec->conflicting[0] ||
01440         i->type == indspec->conflicting[1] ||
01441         i->type == indspec->conflicting[2]) &&
01442         in_low_distance) {
01443       _error_message = STR_INDUSTRY_TOO_CLOSE;
01444       return false;
01445     }
01446   }
01447   return true;
01448 }
01449 
01453 enum ProductionLevels {
01454   PRODLEVEL_CLOSURE = 0x00,  
01455   PRODLEVEL_MINIMUM = 0x04,  
01456   PRODLEVEL_DEFAULT = 0x10,  
01457   PRODLEVEL_MAXIMUM = 0x80,  
01458 };
01459 
01460 static void DoCreateNewIndustry(Industry *i, TileIndex tile, int type, const IndustryTileTable *it, byte layout, const Town *t, Owner owner, Owner founder)
01461 {
01462   const IndustrySpec *indspec = GetIndustrySpec(type);
01463   uint32 r;
01464   uint j;
01465 
01466   i->xy = tile;
01467   i->width = i->height = 0;
01468   i->type = type;
01469   IncIndustryTypeCount(type);
01470 
01471   i->produced_cargo[0] = indspec->produced_cargo[0];
01472   i->produced_cargo[1] = indspec->produced_cargo[1];
01473   i->accepts_cargo[0] = indspec->accepts_cargo[0];
01474   i->accepts_cargo[1] = indspec->accepts_cargo[1];
01475   i->accepts_cargo[2] = indspec->accepts_cargo[2];
01476   i->production_rate[0] = indspec->production_rate[0];
01477   i->production_rate[1] = indspec->production_rate[1];
01478 
01479   /* don't use smooth economy for industries using production related callbacks */
01480   if (_settings_game.economy.smooth_economy &&
01481       !(HasBit(indspec->callback_flags, CBM_IND_PRODUCTION_256_TICKS) || HasBit(indspec->callback_flags, CBM_IND_PRODUCTION_CARGO_ARRIVAL)) && // production callbacks
01482       !(HasBit(indspec->callback_flags, CBM_IND_MONTHLYPROD_CHANGE) || HasBit(indspec->callback_flags, CBM_IND_PRODUCTION_CHANGE))             // production change callbacks
01483   ) {
01484     i->production_rate[0] = min((RandomRange(256) + 128) * i->production_rate[0] >> 8 , 255);
01485     i->production_rate[1] = min((RandomRange(256) + 128) * i->production_rate[1] >> 8 , 255);
01486   }
01487 
01488   i->town = t;
01489   i->owner = owner;
01490 
01491   r = Random();
01492   i->random_colour = GB(r, 0, 4);
01493   i->counter = GB(r, 4, 12);
01494   i->random = GB(r, 16, 16);
01495   i->produced_cargo_waiting[0] = 0;
01496   i->produced_cargo_waiting[1] = 0;
01497   i->incoming_cargo_waiting[0] = 0;
01498   i->incoming_cargo_waiting[1] = 0;
01499   i->incoming_cargo_waiting[2] = 0;
01500   i->this_month_production[0] = 0;
01501   i->this_month_production[1] = 0;
01502   i->this_month_transported[0] = 0;
01503   i->this_month_transported[1] = 0;
01504   i->last_month_pct_transported[0] = 0;
01505   i->last_month_pct_transported[1] = 0;
01506   i->last_month_transported[0] = 0;
01507   i->last_month_transported[1] = 0;
01508   i->was_cargo_delivered = false;
01509   i->last_prod_year = _cur_year;
01510   i->last_month_production[0] = i->production_rate[0] * 8;
01511   i->last_month_production[1] = i->production_rate[1] * 8;
01512   i->founder = founder;
01513 
01514   if (HasBit(indspec->callback_flags, CBM_IND_DECIDE_COLOUR)) {
01515     uint16 res = GetIndustryCallback(CBID_INDUSTRY_DECIDE_COLOUR, 0, 0, i, type, INVALID_TILE);
01516     if (res != CALLBACK_FAILED) i->random_colour = GB(res, 0, 4);
01517   }
01518 
01519   if (HasBit(indspec->callback_flags, CBM_IND_INPUT_CARGO_TYPES)) {
01520     for (j = 0; j < lengthof(i->accepts_cargo); j++) i->accepts_cargo[j] = CT_INVALID;
01521     for (j = 0; j < lengthof(i->accepts_cargo); j++) {
01522       uint16 res = GetIndustryCallback(CBID_INDUSTRY_INPUT_CARGO_TYPES, j, 0, i, type, INVALID_TILE);
01523       if (res == CALLBACK_FAILED || GB(res, 0, 8) == CT_INVALID) break;
01524       i->accepts_cargo[j] = GetCargoTranslation(GB(res, 0, 8), indspec->grf_prop.grffile);
01525     }
01526   }
01527 
01528   if (HasBit(indspec->callback_flags, CBM_IND_OUTPUT_CARGO_TYPES)) {
01529     for (j = 0; j < lengthof(i->produced_cargo); j++) i->produced_cargo[j] = CT_INVALID;
01530     for (j = 0; j < lengthof(i->produced_cargo); j++) {
01531       uint16 res = GetIndustryCallback(CBID_INDUSTRY_OUTPUT_CARGO_TYPES, j, 0, i, type, INVALID_TILE);
01532       if (res == CALLBACK_FAILED || GB(res, 0, 8) == CT_INVALID) break;
01533       i->produced_cargo[j] = GetCargoTranslation(GB(res, 0, 8), indspec->grf_prop.grffile);
01534     }
01535   }
01536 
01537   i->construction_date = _date;
01538   i->construction_type = (_game_mode == GM_EDITOR) ? ICT_SCENARIO_EDITOR :
01539       (_generating_world ? ICT_MAP_GENERATION : ICT_NORMAL_GAMEPLAY);
01540 
01541   /* Adding 1 here makes it conform to specs of var44 of varaction2 for industries
01542    * 0 = created prior of newindustries
01543    * else, chosen layout + 1 */
01544   i->selected_layout = layout + 1;
01545 
01546   if (!_generating_world) i->last_month_production[0] = i->last_month_production[1] = 0;
01547 
01548   i->prod_level = PRODLEVEL_DEFAULT;
01549 
01550   do {
01551     TileIndex cur_tile = tile + ToTileIndexDiff(it->ti);
01552 
01553     if (it->gfx != GFX_WATERTILE_SPECIALCHECK) {
01554       byte size;
01555 
01556       size = it->ti.x;
01557       if (size > i->width) i->width = size;
01558       size = it->ti.y;
01559       if (size > i->height)i->height = size;
01560 
01561       WaterClass wc = (IsWaterTile(cur_tile) ? GetWaterClass(cur_tile) : WATER_CLASS_INVALID);
01562 
01563       DoCommand(cur_tile, 0, 0, DC_EXEC | DC_NO_TEST_TOWN_RATING | DC_NO_MODIFY_TOWN_RATING, CMD_LANDSCAPE_CLEAR);
01564 
01565       MakeIndustry(cur_tile, i->index, it->gfx, Random(), wc);
01566 
01567       if (_generating_world) {
01568         SetIndustryConstructionCounter(cur_tile, 3);
01569         SetIndustryConstructionStage(cur_tile, 2);
01570       }
01571 
01572       /* it->gfx is stored in the map. But the translated ID cur_gfx is the interesting one */
01573       IndustryGfx cur_gfx = GetTranslatedIndustryTileID(it->gfx);
01574       const IndustryTileSpec *its = GetIndustryTileSpec(cur_gfx);
01575       if (its->animation_info != 0xFFFF) AddAnimatedTile(cur_tile);
01576     }
01577   } while ((++it)->ti.x != -0x80);
01578 
01579   i->width++;
01580   i->height++;
01581 
01582   if (GetIndustrySpec(i->type)->behaviour & INDUSTRYBEH_PLANT_ON_BUILT) {
01583     for (j = 0; j != 50; j++) PlantRandomFarmField(i);
01584   }
01585   InvalidateWindowData(WC_INDUSTRY_DIRECTORY, 0, 0);
01586 }
01587 
01598 static Industry *CreateNewIndustryHelper(TileIndex tile, IndustryType type, DoCommandFlag flags, const IndustrySpec *indspec, uint itspec_index, uint32 seed, Owner founder)
01599 {
01600   const IndustryTileTable *it = indspec->table[itspec_index];
01601   bool custom_shape_check = false;
01602 
01603   if (!CheckIfIndustryTilesAreFree(tile, it, itspec_index, type, &custom_shape_check)) return NULL;
01604 
01605   if (HasBit(GetIndustrySpec(type)->callback_flags, CBM_IND_LOCATION)) {
01606     if (!CheckIfCallBackAllowsCreation(tile, type, itspec_index, seed)) return NULL;
01607   } else {
01608     if (!_check_new_industry_procs[indspec->check_proc](tile)) return NULL;
01609   }
01610 
01611   if (!custom_shape_check && _settings_game.game_creation.land_generator == LG_TERRAGENESIS && _generating_world && !_ignore_restrictions && !CheckIfCanLevelIndustryPlatform(tile, DC_NONE, it, type)) return NULL;
01612   if (!CheckIfFarEnoughFromIndustry(tile, type)) return NULL;
01613 
01614   const Town *t = CheckMultipleIndustryInTown(tile, type);
01615   if (t == NULL) return NULL;
01616 
01617   if (!CheckIfIndustryIsAllowed(tile, type, t)) return NULL;
01618 
01619   if (!Industry::CanAllocateItem()) return NULL;
01620 
01621   if (flags & DC_EXEC) {
01622     Industry *i = new Industry(tile);
01623     if (!custom_shape_check) CheckIfCanLevelIndustryPlatform(tile, DC_EXEC, it, type);
01624     DoCreateNewIndustry(i, tile, type, it, itspec_index, t, OWNER_NONE, founder);
01625 
01626     return i;
01627   }
01628 
01629   /* We need to return a non-NULL pointer to tell we have created an industry.
01630    * However, we haven't created a real one (no DC_EXEC), so return a fake one. */
01631   return GetIndustry(0);
01632 }
01633 
01643 CommandCost CmdBuildIndustry(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01644 {
01645   IndustryType it = GB(p1, 0, 16);
01646   if (it >= NUM_INDUSTRYTYPES) return CMD_ERROR;
01647 
01648   const IndustrySpec *indspec = GetIndustrySpec(it);
01649   const Industry *ind = NULL;
01650 
01651   /* Check if the to-be built/founded industry is available for this climate. */
01652   if (!indspec->enabled) {
01653     return CMD_ERROR;
01654   }
01655 
01656   /* If the setting for raw-material industries is not on, you cannot build raw-material industries.
01657    * Raw material industries are industries that do not accept cargo (at least for now) */
01658   if (_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 0 && indspec->IsRawIndustry()) {
01659     return CMD_ERROR;
01660   }
01661 
01662   if (_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && indspec->IsRawIndustry()) {
01663     if (flags & DC_EXEC) {
01664       /* Prospected industries are build as OWNER_TOWN to not e.g. be build on owned land of the founder */
01665       CompanyID founder = _current_company;
01666       _current_company = OWNER_TOWN;
01667       /* Prospecting has a chance to fail, however we cannot guarantee that something can
01668        * be built on the map, so the chance gets lower when the map is fuller, but there
01669        * is nothing we can really do about that. */
01670       if (Random() <= indspec->prospecting_chance) {
01671         for (int i = 0; i < 5000; i++) {
01672           /* We should not have more than one Random() in a function call
01673            * because parameter evaluation order is not guaranteed in the c++ standard
01674            */
01675           tile = RandomTile();
01676           ind = CreateNewIndustryHelper(tile, p1, flags, indspec, RandomRange(indspec->num_table), p2, founder);
01677           if (ind != NULL) {
01678             break;
01679           }
01680         }
01681       }
01682       _current_company = founder;
01683     }
01684   } else {
01685     int count = indspec->num_table;
01686     const IndustryTileTable * const *itt = indspec->table;
01687     int num = GB(p1, 16, 16);
01688     if (num >= count) return CMD_ERROR;
01689 
01690     _error_message = STR_0239_SITE_UNSUITABLE;
01691     do {
01692       if (--count < 0) return CMD_ERROR;
01693       if (--num < 0) num = indspec->num_table - 1;
01694     } while (!CheckIfIndustryTilesAreFree(tile, itt[num], num, p1));
01695 
01696     ind = CreateNewIndustryHelper(tile, p1, flags, indspec, num, p2, _current_company);
01697     if (ind == NULL) return CMD_ERROR;
01698   }
01699 
01700   if (flags & DC_EXEC && _game_mode != GM_EDITOR && ind != NULL) {
01701     SetDParam(0, indspec->name);
01702     if (indspec->new_industry_text > STR_LAST_STRINGID) {
01703       SetDParam(1, STR_TOWN);
01704       SetDParam(2, ind->town->index);
01705     } else {
01706       SetDParam(1, ind->town->index);
01707     }
01708     AddNewsItem(indspec->new_industry_text, NS_INDUSTRY_OPEN, ind->xy, 0);
01709     AI::BroadcastNewEvent(new AIEventIndustryOpen(ind->index));
01710   }
01711 
01712   return CommandCost(EXPENSES_OTHER, indspec->GetConstructionCost());
01713 }
01714 
01715 
01716 static Industry *CreateNewIndustry(TileIndex tile, IndustryType type)
01717 {
01718   const IndustrySpec *indspec = GetIndustrySpec(type);
01719 
01720   uint32 seed = Random();
01721   return CreateNewIndustryHelper(tile, type, DC_EXEC, indspec, RandomRange(indspec->num_table), seed, OWNER_NONE);
01722 }
01723 
01724 enum {
01725   NB_NUMOFINDUSTRY = 11,
01726   NB_DIFFICULTY_LEVEL = 5,
01727 };
01728 
01729 static const byte _numof_industry_table[NB_DIFFICULTY_LEVEL][NB_NUMOFINDUSTRY] = {
01730   /* difficulty settings for number of industries */
01731   {0, 0, 0, 0, 0, 0, 0, 0,  0,  0,  0},   // none
01732   {0, 1, 1, 1, 1, 1, 1, 1,  1,  1,  1},   // very low
01733   {0, 1, 1, 1, 2, 2, 3, 3,  4,  4,  5},   // low
01734   {0, 1, 2, 3, 4, 5, 6, 7,  8,  9, 10},   // normal
01735   {0, 2, 3, 4, 6, 7, 8, 9, 10, 10, 10},   // high
01736 };
01737 
01742 static void PlaceInitialIndustry(IndustryType type, int amount)
01743 {
01744   /* We need to bypass the amount given in parameter if it exceeds the maximum dimension of the
01745    * _numof_industry_table.  newgrf can specify a big amount */
01746   int num = (amount > NB_NUMOFINDUSTRY) ? amount : _numof_industry_table[_settings_game.difficulty.number_industries][amount];
01747   const IndustrySpec *ind_spc = GetIndustrySpec(type);
01748 
01749   /* These are always placed next to the coastline, so we scale by the perimeter instead. */
01750   num = (ind_spc->check_proc == CHECK_REFINERY || ind_spc->check_proc == CHECK_OIL_RIG) ? ScaleByMapSize1D(num) : ScaleByMapSize(num);
01751 
01752   if (_settings_game.difficulty.number_industries != 0) {
01753     CompanyID old_company = _current_company;
01754     _current_company = OWNER_NONE;
01755     assert(num > 0);
01756 
01757     do {
01758       uint i;
01759 
01760       IncreaseGeneratingWorldProgress(GWP_INDUSTRY);
01761 
01762       for (i = 0; i < 2000; i++) {
01763         if (CreateNewIndustry(RandomTile(), type) != NULL) break;
01764       }
01765     } while (--num);
01766 
01767     _current_company = old_company;
01768   }
01769 }
01770 
01773 void GenerateIndustries()
01774 {
01775   uint i = 0;
01776   uint8 chance;
01777   IndustryType it;
01778   const IndustrySpec *ind_spc;
01779 
01780   /* Find the total amount of industries */
01781   if (_settings_game.difficulty.number_industries > 0) {
01782     for (it = 0; it < NUM_INDUSTRYTYPES; it++) {
01783 
01784       ind_spc = GetIndustrySpec(it);
01785 
01786       if (!CheckIfCallBackAllowsAvailability(it, IACT_MAPGENERATION)) {
01787         ResetIndustryCreationProbility(it);
01788       }
01789 
01790       chance = ind_spc->appear_creation[_settings_game.game_creation.landscape];
01791       if (ind_spc->enabled && chance > 0) {
01792         /* once the chance of appearance is determind, it have to be scaled by
01793          * the difficulty level. The "chance" in question is more an index into
01794          * the _numof_industry_table,in fact */
01795         int num = (chance > NB_NUMOFINDUSTRY) ? chance : _numof_industry_table[_settings_game.difficulty.number_industries][chance];
01796 
01797         /* These are always placed next to the coastline, so we scale by the perimeter instead. */
01798         num = (ind_spc->check_proc == CHECK_REFINERY || ind_spc->check_proc == CHECK_OIL_RIG) ? ScaleByMapSize1D(num) : ScaleByMapSize(num);
01799         i += num;
01800       }
01801     }
01802   }
01803 
01804   SetGeneratingWorldProgress(GWP_INDUSTRY, i);
01805 
01806   if (_settings_game.difficulty.number_industries > 0) {
01807     for (it = 0; it < NUM_INDUSTRYTYPES; it++) {
01808       /* Once the number of industries has been determined, let's really create them.
01809        * The test for chance allows us to try create industries that are available only
01810        * for this landscape.
01811        * @todo :  Do we really have to pass chance as un-scaled value, since we've already
01812        *          processed that scaling above? No, don't think so.  Will find a way. */
01813       ind_spc = GetIndustrySpec(it);
01814       if (ind_spc->enabled) {
01815         chance = ind_spc->appear_creation[_settings_game.game_creation.landscape];
01816         if (chance > 0) PlaceInitialIndustry(it, chance);
01817       }
01818     }
01819   }
01820 }
01821 
01822 static void UpdateIndustryStatistics(Industry *i)
01823 {
01824   byte pct;
01825   bool refresh = false;
01826 
01827   for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
01828     if (i->produced_cargo[j] != CT_INVALID) {
01829       pct = 0;
01830       if (i->this_month_production[j] != 0) {
01831         i->last_prod_year = _cur_year;
01832         pct = min(i->this_month_transported[j] * 256 / i->this_month_production[j], 255);
01833       }
01834       i->last_month_pct_transported[j] = pct;
01835 
01836       i->last_month_production[j] = i->this_month_production[j];
01837       i->this_month_production[j] = 0;
01838 
01839       i->last_month_transported[j] = i->this_month_transported[j];
01840       i->this_month_transported[j] = 0;
01841       refresh = true;
01842     }
01843   }
01844 
01845   if (refresh) InvalidateWindow(WC_INDUSTRY_VIEW, i->index);
01846 }
01847 
01849 struct ProbabilityHelper {
01850   uint16 prob;      
01851   IndustryType ind; 
01852 };
01853 
01857 static void MaybeNewIndustry(void)
01858 {
01859   Industry *ind;               // will receive the industry's creation pointer
01860   IndustryType rndtype, j;     // Loop controlers
01861   const IndustrySpec *ind_spc;
01862   uint num = 0;
01863   ProbabilityHelper cumulative_probs[NUM_INDUSTRYTYPES]; // probability collector
01864   uint16 probability_max = 0;
01865 
01866   /* Generate a list of all possible industries that can be built. */
01867   for (j = 0; j < NUM_INDUSTRYTYPES; j++) {
01868     ind_spc = GetIndustrySpec(j);
01869     byte chance = ind_spc->appear_ingame[_settings_game.game_creation.landscape];
01870 
01871     if (!ind_spc->enabled || chance == 0) continue;
01872 
01873     /* If there is no Callback CBID_INDUSTRY_AVAILABLE or if this one did anot failed,
01874      * and if appearing chance for this landscape is above 0, this industry can be chosen */
01875     if (CheckIfCallBackAllowsAvailability(j, IACT_RANDOMCREATION)) {
01876       probability_max += chance;
01877       /* adds the result for this industry */
01878       cumulative_probs[num].ind = j;
01879       cumulative_probs[num++].prob = probability_max;
01880     }
01881   }
01882 
01883   /* Abort if there is no industry buildable */
01884   if (probability_max == 0) return;
01885 
01886   /* Find a random type, with maximum being what has been evaluate above*/
01887   rndtype = RandomRange(probability_max);
01888   for (j = 0; j < NUM_INDUSTRYTYPES; j++) {
01889     /* and choose the index of the industry that matches as close as possible this random type */
01890     if (cumulative_probs[j].prob >= rndtype) break;
01891   }
01892 
01893   ind_spc = GetIndustrySpec(cumulative_probs[j].ind);
01894   /*  Check if it is allowed */
01895   if ((ind_spc->behaviour & INDUSTRYBEH_BEFORE_1950) && _cur_year > 1950) return;
01896   if ((ind_spc->behaviour & INDUSTRYBEH_AFTER_1960) && _cur_year < 1960) return;
01897 
01898   /* try to create 2000 times this industry */
01899   num = 2000;
01900   for (;;) {
01901     ind = CreateNewIndustry(RandomTile(), cumulative_probs[j].ind);
01902     if (ind != NULL) break;
01903     if (--num == 0) return;
01904   }
01905 
01906   SetDParam(0, ind_spc->name);
01907   if (ind_spc->new_industry_text > STR_LAST_STRINGID) {
01908     SetDParam(1, STR_TOWN);
01909     SetDParam(2, ind->town->index);
01910   } else {
01911     SetDParam(1, ind->town->index);
01912   }
01913   AddNewsItem(ind_spc->new_industry_text, NS_INDUSTRY_OPEN, ind->xy, 0);
01914   AI::BroadcastNewEvent(new AIEventIndustryOpen(ind->index));
01915 }
01916 
01925 static bool CheckIndustryCloseDownProtection(IndustryType type)
01926 {
01927   const IndustrySpec *indspec = GetIndustrySpec(type);
01928 
01929   /* oil wells (or the industries with that flag set) are always allowed to closedown */
01930   if (indspec->behaviour & INDUSTRYBEH_DONT_INCR_PROD && _settings_game.game_creation.landscape == LT_TEMPERATE) return false;
01931   return (indspec->behaviour & INDUSTRYBEH_CANCLOSE_LASTINSTANCE) == 0 && GetIndustryTypeCount(type) <= 1;
01932 }
01933 
01943 static void CanCargoServiceIndustry(CargoID cargo, Industry *ind, bool *c_accepts, bool *c_produces)
01944 {
01945   const IndustrySpec *indspec = GetIndustrySpec(ind->type);
01946 
01947   /* Check for acceptance of cargo */
01948   for (byte j = 0; j < lengthof(ind->accepts_cargo); j++) {
01949     if (ind->accepts_cargo[j] == CT_INVALID) continue;
01950     if (cargo == ind->accepts_cargo[j]) {
01951       if (HasBit(indspec->callback_flags, CBM_IND_REFUSE_CARGO)) {
01952         uint16 res = GetIndustryCallback(CBID_INDUSTRY_REFUSE_CARGO,
01953             0, GetReverseCargoTranslation(cargo, indspec->grf_prop.grffile),
01954             ind, ind->type, ind->xy);
01955         if (res == 0) continue;
01956       }
01957       *c_accepts = true;
01958       break;
01959     }
01960   }
01961 
01962   /* Check for produced cargo */
01963   for (byte j = 0; j < lengthof(ind->produced_cargo); j++) {
01964     if (ind->produced_cargo[j] == CT_INVALID) continue;
01965     if (cargo == ind->produced_cargo[j]) {
01966       *c_produces = true;
01967       break;
01968     }
01969   }
01970 }
01971 
01985 int WhoCanServiceIndustry(Industry *ind)
01986 {
01987   /* Find all stations within reach of the industry */
01988   StationList stations;
01989   FindStationsAroundTiles(ind->xy, ind->width, ind->height, &stations);
01990 
01991   if (stations.Length() == 0) return 0; // No stations found at all => nobody services
01992 
01993   const Vehicle *v;
01994   int result = 0;
01995   FOR_ALL_VEHICLES(v) {
01996     /* Is it worthwhile to try this vehicle? */
01997     if (v->owner != _local_company && result != 0) continue;
01998 
01999     /* Check whether it accepts the right kind of cargo */
02000     bool c_accepts = false;
02001     bool c_produces = false;
02002     if (v->type == VEH_TRAIN && IsFrontEngine(v)) {
02003       for (const Vehicle *u = v; u != NULL; u = u->Next()) {
02004         CanCargoServiceIndustry(u->cargo_type, ind, &c_accepts, &c_produces);
02005       }
02006     } else if (v->type == VEH_ROAD || v->type == VEH_SHIP || v->type == VEH_AIRCRAFT) {
02007       CanCargoServiceIndustry(v->cargo_type, ind, &c_accepts, &c_produces);
02008     } else {
02009       continue;
02010     }
02011     if (!c_accepts && !c_produces) continue; // Wrong cargo
02012 
02013     /* Check orders of the vehicle.
02014      * We cannot check the first of shared orders only, since the first vehicle in such a chain
02015      * may have a different cargo type.
02016      */
02017     const Order *o;
02018     FOR_VEHICLE_ORDERS(v, o) {
02019       if (o->IsType(OT_GOTO_STATION) && !(o->GetUnloadType() & OUFB_TRANSFER)) {
02020         /* Vehicle visits a station to load or unload */
02021         Station *st = GetStation(o->GetDestination());
02022         if (!st->IsValid()) continue;
02023 
02024         /* Same cargo produced by industry is dropped here => not serviced by vehicle v */
02025         if ((o->GetUnloadType() & OUFB_UNLOAD) && !c_accepts) break;
02026 
02027         if (stations.Contains(st)) {
02028           if (v->owner == _local_company) return 2; // Company services industry
02029           result = 1; // Competitor services industry
02030         }
02031       }
02032     }
02033   }
02034   return result;
02035 }
02036 
02044 static void ReportNewsProductionChangeIndustry(Industry *ind, CargoID type, int percent)
02045 {
02046   NewsSubtype ns;
02047 
02048   switch (WhoCanServiceIndustry(ind)) {
02049     case 0: ns = NS_INDUSTRY_NOBODY;  break;
02050     case 1: ns = NS_INDUSTRY_OTHER;   break;
02051     case 2: ns = NS_INDUSTRY_COMPANY; break;
02052     default: NOT_REACHED(); break;
02053   }
02054   SetDParam(2, abs(percent));
02055   SetDParam(0, GetCargo(type)->name);
02056   SetDParam(1, ind->index);
02057   AddNewsItem(
02058     percent >= 0 ? STR_INDUSTRY_PROD_GOUP : STR_INDUSTRY_PROD_GODOWN,
02059     ns,
02060     ind->xy + TileDiffXY(1, 1), 0
02061   );
02062 }
02063 
02064 enum {
02065   PERCENT_TRANSPORTED_60 = 153,
02066   PERCENT_TRANSPORTED_80 = 204,
02067 };
02068 
02073 static void ChangeIndustryProduction(Industry *i, bool monthly)
02074 {
02075   StringID str = STR_NULL;
02076   bool closeit = false;
02077   const IndustrySpec *indspec = GetIndustrySpec(i->type);
02078   bool standard = false;
02079   bool suppress_message = false;
02080   bool recalculate_multipliers = false; 
02081   /* don't use smooth economy for industries using production related callbacks */
02082   bool smooth_economy = _settings_game.economy.smooth_economy &&
02083                         !(HasBit(indspec->callback_flags, CBM_IND_PRODUCTION_256_TICKS) || HasBit(indspec->callback_flags, CBM_IND_PRODUCTION_CARGO_ARRIVAL)) && // production callbacks
02084                         !(HasBit(indspec->callback_flags, CBM_IND_MONTHLYPROD_CHANGE) || HasBit(indspec->callback_flags, CBM_IND_PRODUCTION_CHANGE));            // production change callbacks
02085   byte div = 0;
02086   byte mul = 0;
02087   int8 increment = 0;
02088 
02089   bool callback_enabled = HasBit(indspec->callback_flags, monthly ? CBM_IND_MONTHLYPROD_CHANGE : CBM_IND_PRODUCTION_CHANGE);
02090   if (callback_enabled) {
02091     uint16 res = GetIndustryCallback(monthly ? CBID_INDUSTRY_MONTHLYPROD_CHANGE : CBID_INDUSTRY_PRODUCTION_CHANGE, 0, Random(), i, i->type, i->xy);
02092     if (res != CALLBACK_FAILED) { // failed callback means "do nothing"
02093       suppress_message = HasBit(res, 7);
02094       /* Get the custom message if any */
02095       if (HasBit(res, 8)) str = MapGRFStringID(indspec->grf_prop.grffile->grfid, GB(GetRegister(0x100), 0, 16));
02096       res = GB(res, 0, 4);
02097       switch(res) {
02098         default: NOT_REACHED();
02099         case 0x0: break;                  // Do nothing, but show the custom message if any
02100         case 0x1: div = 1; break;         // Halve industry production. If production reaches the quarter of the default, the industry is closed instead.
02101         case 0x2: mul = 1; break;         // Double industry production if it hasn't reached eight times of the original yet.
02102         case 0x3: closeit = true; break;  // The industry announces imminent closure, and is physically removed from the map next month.
02103         case 0x4: standard = true; break; // Do the standard random production change as if this industry was a primary one.
02104         case 0x5: case 0x6: case 0x7:     // Divide production by 4, 8, 16
02105         case 0x8: div = res - 0x3; break; // Divide production by 32
02106         case 0x9: case 0xA: case 0xB:     // Multiply production by 4, 8, 16
02107         case 0xC: mul = res - 0x7; break; // Multiply production by 32
02108         case 0xD:                         // decrement production
02109         case 0xE:                         // increment production
02110           increment = res == 0x0D ? -1 : 1;
02111           break;
02112         case 0xF:                         // Set production to third byte of register 0x100
02113           i->prod_level = Clamp(GB(GetRegister(0x100), 16, 8), PRODLEVEL_MINIMUM, PRODLEVEL_MAXIMUM);
02114           recalculate_multipliers = true;
02115           break;
02116       }
02117     }
02118   } else {
02119     if (monthly != smooth_economy) return;
02120     if (indspec->life_type == INDUSTRYLIFE_BLACK_HOLE) return;
02121   }
02122 
02123   if (standard || (!callback_enabled && (indspec->life_type & (INDUSTRYLIFE_ORGANIC | INDUSTRYLIFE_EXTRACTIVE)) != 0)) {
02124     /* decrease or increase */
02125     bool only_decrease = (indspec->behaviour & INDUSTRYBEH_DONT_INCR_PROD) && _settings_game.game_creation.landscape == LT_TEMPERATE;
02126 
02127     if (smooth_economy) {
02128       closeit = true;
02129       for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
02130         if (i->produced_cargo[j] == CT_INVALID) continue;
02131         uint32 r = Random();
02132         int old_prod, new_prod, percent;
02133         /* If over 60% is transported, mult is 1, else mult is -1. */
02134         int mult = (i->last_month_pct_transported[j] > PERCENT_TRANSPORTED_60) ? 1 : -1;
02135 
02136         new_prod = old_prod = i->production_rate[j];
02137 
02138         /* For industries with only_decrease flags (temperate terrain Oil Wells),
02139          * the multiplier will always be -1 so they will only decrease. */
02140         if (only_decrease) {
02141           mult = -1;
02142         /* For normal industries, if over 60% is transported, 33% chance for decrease.
02143          * Bonus for very high station ratings (over 80%): 16% chance for decrease. */
02144         } else if (Chance16I(1, ((i->last_month_pct_transported[j] > PERCENT_TRANSPORTED_80) ? 6 : 3), r)) {
02145           mult *= -1;
02146         }
02147 
02148         /* 4.5% chance for 3-23% (or 1 unit for very low productions) production change,
02149          * determined by mult value. If mult = 1 prod. increases, else (-1) it decreases. */
02150         if (Chance16I(1, 22, r >> 16)) {
02151           new_prod += mult * (max(((RandomRange(50) + 10) * old_prod) >> 8, 1U));
02152         }
02153 
02154         /* Prevent production to overflow or Oil Rig passengers to be over-"produced" */
02155         new_prod = Clamp(new_prod, 1, 255);
02156 
02157         if (((indspec->behaviour & INDUSTRYBEH_BUILT_ONWATER) != 0) && j == 1)
02158           new_prod = Clamp(new_prod, 0, 16);
02159 
02160         /* Do not stop closing the industry when it has the lowest possible production rate */
02161         if (new_prod == old_prod && old_prod > 1) {
02162           closeit = false;
02163           continue;
02164         }
02165 
02166         percent = (old_prod == 0) ? 100 : (new_prod * 100 / old_prod - 100);
02167         i->production_rate[j] = new_prod;
02168 
02169         /* Close the industry when it has the lowest possible production rate */
02170         if (new_prod > 1) closeit = false;
02171 
02172         if (abs(percent) >= 10) {
02173           ReportNewsProductionChangeIndustry(i, i->produced_cargo[j], percent);
02174         }
02175       }
02176     } else {
02177       if (only_decrease || Chance16(1, 3)) {
02178         /* If more than 60% transported, 66% chance of increase, else 33% chance of increase */
02179         if (!only_decrease && (i->last_month_pct_transported[0] > PERCENT_TRANSPORTED_60) != Chance16(1, 3)) {
02180           mul = 1; // Increase production
02181         } else {
02182           div = 1; // Decrease production
02183         }
02184       }
02185     }
02186   }
02187 
02188   if (!callback_enabled && indspec->life_type & INDUSTRYLIFE_PROCESSING) {
02189     if ( (byte)(_cur_year - i->last_prod_year) >= 5 && Chance16(1, smooth_economy ? 180 : 2)) {
02190       closeit = true;
02191     }
02192   }
02193 
02194   /* Increase if needed */
02195   while (mul-- != 0 && i->prod_level < PRODLEVEL_MAXIMUM) {
02196     i->prod_level = min(i->prod_level * 2, PRODLEVEL_MAXIMUM);
02197     recalculate_multipliers = true;
02198     if (str == STR_NULL) str = indspec->production_up_text;
02199   }
02200 
02201   /* Decrease if needed */
02202   while (div-- != 0 && !closeit) {
02203     if (i->prod_level == PRODLEVEL_MINIMUM) {
02204       closeit = true;
02205     } else {
02206       i->prod_level = max(i->prod_level / 2, (int)PRODLEVEL_MINIMUM); // typecast to int required to please MSVC
02207       recalculate_multipliers = true;
02208       if (str == STR_NULL) str = indspec->production_down_text;
02209     }
02210   }
02211 
02212   /* Increase or Decreasing the production level if needed */
02213   if (increment != 0) {
02214     if (increment < 0 && i->prod_level == PRODLEVEL_MINIMUM) {
02215       closeit = true;
02216     } else {
02217       i->prod_level = ClampU(i->prod_level + increment, PRODLEVEL_MINIMUM, PRODLEVEL_MAXIMUM);
02218       recalculate_multipliers = true;
02219     }
02220   }
02221 
02222   /* Recalculate production_rate
02223    * For non-smooth economy these should always be synchronized with prod_level */
02224   if (recalculate_multipliers) {
02225     /* Rates are rounded up, so e.g. oilrig always produces some passengers */
02226     i->production_rate[0] = min((indspec->production_rate[0] * i->prod_level + PRODLEVEL_DEFAULT - 1) / PRODLEVEL_DEFAULT, 0xFF);
02227     i->production_rate[1] = min((indspec->production_rate[1] * i->prod_level + PRODLEVEL_DEFAULT - 1) / PRODLEVEL_DEFAULT, 0xFF);
02228   }
02229 
02230   /* Close if needed and allowed */
02231   if (closeit && !CheckIndustryCloseDownProtection(i->type)) {
02232     i->prod_level = PRODLEVEL_CLOSURE;
02233     str = indspec->closure_text;
02234   }
02235 
02236   if (!suppress_message && str != STR_NULL) {
02237     NewsSubtype ns;
02238     /* Compute news category */
02239     if (closeit) {
02240       ns = NS_INDUSTRY_CLOSE;
02241       AI::BroadcastNewEvent(new AIEventIndustryClose(i->index));
02242     } else {
02243       switch (WhoCanServiceIndustry(i)) {
02244         case 0: ns = NS_INDUSTRY_NOBODY;  break;
02245         case 1: ns = NS_INDUSTRY_OTHER;   break;
02246         case 2: ns = NS_INDUSTRY_COMPANY; break;
02247         default: NOT_REACHED(); break;
02248       }
02249     }
02250     /* Set parameters of news string */
02251     if (str > STR_LAST_STRINGID) {
02252       SetDParam(0, STR_TOWN);
02253       SetDParam(1, i->town->index);
02254       SetDParam(2, indspec->name);
02255     } else if (closeit) {
02256       SetDParam(0, STR_INDUSTRY_FORMAT);
02257       SetDParam(1, i->town->index);
02258       SetDParam(2, indspec->name);
02259     } else {
02260       SetDParam(0, i->index);
02261     }
02262     /* and report the news to the user */
02263     AddNewsItem(str,
02264       ns,
02265       i->xy + TileDiffXY(1, 1), 0);
02266   }
02267 }
02268 
02274 void IndustryDailyLoop()
02275 {
02276   _economy.industry_daily_change_counter += _economy.industry_daily_increment;
02277 
02278   /* Bits 16-31 of industry_construction_counter contain the number of industries to change/create today,
02279    * the lower 16 bit are a fractional part that might accumulate over several days until it
02280    * is sufficient for an industry. */
02281   uint16 change_loop = _economy.industry_daily_change_counter >> 16;
02282 
02283   /* Reset the active part of the counter, just keeping the "factional part" */
02284   _economy.industry_daily_change_counter &= 0xFFFF;
02285 
02286   if (change_loop == 0) {
02287     return;  // Nothing to do? get out
02288   }
02289 
02290   CompanyID old_company = _current_company;
02291   _current_company = OWNER_NONE;
02292 
02293   /* perform the required industry changes for the day */
02294   for (uint16 j = 0; j < change_loop; j++) {
02295     /* 3% chance that we start a new industry */
02296     if (Chance16(3, 100)) {
02297       MaybeNewIndustry();
02298     } else {
02299       Industry *i = GetRandomIndustry();
02300       if (i != NULL) ChangeIndustryProduction(i, false);
02301     }
02302   }
02303 
02304   _current_company = old_company;
02305 
02306   /* production-change */
02307   InvalidateWindowData(WC_INDUSTRY_DIRECTORY, 0, 1);
02308 }
02309 
02310 void IndustryMonthlyLoop()
02311 {
02312   Industry *i;
02313   CompanyID old_company = _current_company;
02314   _current_company = OWNER_NONE;
02315 
02316   FOR_ALL_INDUSTRIES(i) {
02317     UpdateIndustryStatistics(i);
02318     if (i->prod_level == PRODLEVEL_CLOSURE) {
02319       delete i;
02320     } else {
02321       ChangeIndustryProduction(i, true);
02322     }
02323   }
02324 
02325   _current_company = old_company;
02326 
02327   /* production-change */
02328   InvalidateWindowData(WC_INDUSTRY_DIRECTORY, 0, 1);
02329 }
02330 
02331 
02332 void InitializeIndustries()
02333 {
02334   _Industry_pool.CleanPool();
02335   _Industry_pool.AddBlockToPool();
02336 
02337   ResetIndustryCounts();
02338   _industry_sound_tile = 0;
02339 }
02340 
02341 bool IndustrySpec::IsRawIndustry() const
02342 {
02343   /* Lumber mills are extractive/organic, but can always be built like a non-raw industry */
02344   return (this->life_type & (INDUSTRYLIFE_EXTRACTIVE | INDUSTRYLIFE_ORGANIC)) != 0 &&
02345       (this->behaviour & INDUSTRYBEH_CUT_TREES) == 0;
02346 }
02347 
02348 Money IndustrySpec::GetConstructionCost() const
02349 {
02350   return (_price.build_industry *
02351       (_settings_game.construction.raw_industry_construction == 1 && this->IsRawIndustry() ?
02352           this->raw_industry_cost_multiplier :
02353           this->cost_multiplier
02354       )) >> 8;
02355 }
02356 
02357 Money IndustrySpec::GetRemovalCost() const
02358 {
02359   return (_price.remove_house * this->removal_cost_multiplier) >> 8;
02360 }
02361 
02362 static CommandCost TerraformTile_Industry(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
02363 {
02364   if (AutoslopeEnabled()) {
02365     /* We imitate here TTDP's behaviour:
02366      *  - Both new and old slope must not be steep.
02367      *  - TileMaxZ must not be changed.
02368      *  - Allow autoslope by default.
02369      *  - Disallow autoslope if callback succeeds and returns non-zero.
02370      */
02371     Slope tileh_old = GetTileSlope(tile, NULL);
02372     /* TileMaxZ must not be changed. Slopes must not be steep. */
02373     if (!IsSteepSlope(tileh_old) && !IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new))) {
02374       const IndustryGfx gfx = GetIndustryGfx(tile);
02375       const IndustryTileSpec *itspec = GetIndustryTileSpec(gfx);
02376 
02377       /* Call callback 3C 'disable autosloping for industry tiles'. */
02378       if (HasBit(itspec->callback_flags, CBM_INDT_AUTOSLOPE)) {
02379         /* If the callback fails, allow autoslope. */
02380         uint16 res = GetIndustryTileCallback(CBID_INDUSTRY_AUTOSLOPE, 0, 0, gfx, GetIndustryByTile(tile), tile);
02381         if ((res == 0) || (res == CALLBACK_FAILED)) return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform);
02382       } else {
02383         /* allow autoslope */
02384         return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform);
02385       }
02386     }
02387   }
02388   return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
02389 }
02390 
02391 extern const TileTypeProcs _tile_type_industry_procs = {
02392   DrawTile_Industry,           // draw_tile_proc
02393   GetSlopeZ_Industry,          // get_slope_z_proc
02394   ClearTile_Industry,          // clear_tile_proc
02395   GetAcceptedCargo_Industry,   // get_accepted_cargo_proc
02396   GetTileDesc_Industry,        // get_tile_desc_proc
02397   GetTileTrackStatus_Industry, // get_tile_track_status_proc
02398   ClickTile_Industry,          // click_tile_proc
02399   AnimateTile_Industry,        // animate_tile_proc
02400   TileLoop_Industry,           // tile_loop_proc
02401   ChangeTileOwner_Industry,    // change_tile_owner_proc
02402   GetProducedCargo_Industry,   // get_produced_cargo_proc
02403   NULL,                        // vehicle_enter_tile_proc
02404   GetFoundation_Industry,      // get_foundation_proc
02405   TerraformTile_Industry,      // terraform_tile_proc
02406 };

Generated on Thu Sep 24 19:35:02 2009 for OpenTTD by  doxygen 1.5.6