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@@ -13,6 +13,7 @@
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#include "table/sprites.h"
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#include "map.h"
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#include "tile.h"
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#include "train.h"
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#include "landscape.h"
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#include "viewport.h"
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#include "command.h"
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@@ -1856,6 +1857,134 @@ static bool CheckIndustryCloseDownProtec
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return (indspec->behaviour & INDUSTRYBEH_CANCLOSE_LASTINSTANCE) == 0 && GetIndustryTypeCount(type) <= 1;
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}
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/**
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* Can given cargo type be accepted or produced by the industry?
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* @param cargo: Cargo type
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* @param ind: Industry
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* @param *c_accepts: Pointer to boolean for acceptance of cargo
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* @param *c_produces: Pointer to boolean for production of cargo
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* @return: \c *c_accepts is set when industry accepts the cargo type,
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* \c *c_produces is set when the industry produces the cargo type
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*/
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static void CanCargoServiceIndustry(CargoID cargo, Industry *ind, bool *c_accepts, bool *c_produces)
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{
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const IndustrySpec *indspec = GetIndustrySpec(ind->type);
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/* Check for acceptance of cargo */
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for (uint j = 0; j < lengthof(ind->accepts_cargo) && ind->accepts_cargo[j] != CT_INVALID; j++) {
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if (cargo == ind->accepts_cargo[j]) {
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if (HASBIT(indspec->callback_flags, CBM_IND_REFUSE_CARGO)) {
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uint16 res = GetIndustryCallback(CBID_INDUSTRY_REFUSE_CARGO,
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0, GetReverseCargoTranslation(cargo, indspec->grf_prop.grffile),
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ind, ind->type, ind->xy);
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if (res == 0) continue;
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}
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*c_accepts = true;
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break;
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}
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}
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/* Check for produced cargo */
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for (uint j = 0; j < lengthof(ind->produced_cargo) && ind->produced_cargo[j] != CT_INVALID; j++) {
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if (cargo == ind->produced_cargo[j]) {
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*c_produces = true;
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break;
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}
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}
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}
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/**
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* Compute who can service the industry.
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*
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* Here, 'can service' means that he/she has trains and stations close enough
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* to the industry with the right cargo type and the right orders (ie has the
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* technical means).
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*
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* @param ind: Industry being investigated.
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*
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* @return: 0 if nobody can service the industry, 2 if the local player can
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* service the industry, and 1 otherwise (only competitors can service the
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* industry)
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*/
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int WhoCanServiceIndustry(Industry* ind)
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{
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/* Find all stations within reach of the industry */
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StationSet stations = FindStationsAroundIndustryTile(ind->xy, ind->width, ind->height);
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if (stations.size() == 0) return 0; // No stations found at all => nobody services
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const Vehicle *v;
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int result = 0;
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FOR_ALL_VEHICLES(v) {
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/* Is it worthwhile to try this vehicle? */
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if (v->owner != _local_player && result != 0) continue;
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/* Check whether it accepts the right kind of cargo */
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bool c_accepts = false;
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bool c_produces = false;
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if (v->type == VEH_TRAIN && IsFrontEngine(v)) {
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const Vehicle *u = v;
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BEGIN_ENUM_WAGONS(u)
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CanCargoServiceIndustry(u->cargo_type, ind, &c_accepts, &c_produces);
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END_ENUM_WAGONS(u)
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} else if (v->type == VEH_ROAD || v->type == VEH_SHIP || v->type == VEH_AIRCRAFT) {
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CanCargoServiceIndustry(v->cargo_type, ind, &c_accepts, &c_produces);
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} else {
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continue;
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}
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if (!c_accepts && !c_produces) continue; // Wrong cargo
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/* Check orders of the vehicle.
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* We cannot check the first of shared orders only, since the first vehicle in such a chain
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* may have a different cargo type.
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*/
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const Order *o;
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FOR_VEHICLE_ORDERS(v, o) {
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if (o->type == OT_GOTO_STATION && !HASBIT(o->flags, OFB_TRANSFER)) {
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/* Vehicle visits a station to load or unload */
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Station *st = GetStation(o->dest);
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if (!st->IsValid()) continue;
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/* Same cargo produced by industry is dropped here => not serviced by vehicle v */
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if (HASBIT(o->flags, OFB_UNLOAD) && !c_accepts) break;
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if (stations.find(st) != stations.end()) {
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if (v->owner == _local_player) return 2; // Player services industry
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result = 1; // Competitor services industry
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}
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}
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}
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}
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return result;
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}
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/**
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* Report news that industry production has changed significantly
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*
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* @param ind: Industry with changed production
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* @param type: Cargo type that has changed
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* @param percent: Percentage of change (>0 means increase, <0 means decrease)
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*/
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static void ReportNewsProductionChangeIndustry(Industry *ind, CargoID type, int percent)
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{
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NewsType nt;
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switch (WhoCanServiceIndustry(ind)) {
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case 0: nt = NT_INDUSTRY_NOBODY; break;
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case 1: nt = NT_INDUSTRY_OTHER; break;
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case 2: nt = NT_INDUSTRY_PLAYER; break;
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default: NOT_REACHED(); break;
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}
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SetDParam(2, abs(percent));
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SetDParam(0, GetCargo(type)->name);
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SetDParam(1, ind->index);
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AddNewsItem(
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percent >= 0 ? STR_INDUSTRY_PROD_GOUP : STR_INDUSTRY_PROD_GODOWN,
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NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, nt, 0),
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ind->xy + TileDiffXY(1, 1), 0
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);
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}
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/** Change industry production or do closure
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* @param i Industry for which changes are performed
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* @param monthly true if it's the monthly call, false if it's the random call
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@@ -1909,7 +2038,6 @@ static void ChangeIndustryProduction(Ind
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for (byte j = 0; j < 2 && i->produced_cargo[j] != CT_INVALID; j++){
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uint32 r = Random();
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int old_prod, new_prod, percent;
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int mag;
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new_prod = old_prod = i->production_rate[j];
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@@ -1932,16 +2060,8 @@ static void ChangeIndustryProduction(Ind
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/* Close the industry when it has the lowest possible production rate */
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if (new_prod > 1) closeit = false;
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mag = abs(percent);
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if (mag >= 10) {
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SetDParam(2, mag);
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SetDParam(0, GetCargo(i->produced_cargo[j])->name);
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SetDParam(1, i->index);
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AddNewsItem(
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percent >= 0 ? STR_INDUSTRY_PROD_GOUP : STR_INDUSTRY_PROD_GODOWN,
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NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, NT_ECONOMY, 0),
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i->xy + TileDiffXY(1, 1), 0
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);
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if (abs(percent) >= 10) {
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ReportNewsProductionChangeIndustry(i, i->produced_cargo[j], percent);
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}
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}
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} else {
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@@ -1989,6 +2109,19 @@ static void ChangeIndustryProduction(Ind
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}
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if (!suppress_message && str != STR_NULL) {
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NewsType nt;
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/* Compute news category */
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if (closeit) {
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nt = NT_OPENCLOSE;
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} else {
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switch (WhoCanServiceIndustry(i)) {
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case 0: nt = NT_INDUSTRY_NOBODY; break;
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case 1: nt = NT_INDUSTRY_OTHER; break;
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case 2: nt = NT_INDUSTRY_PLAYER; break;
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default: NOT_REACHED(); break;
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}
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}
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/* Set parameters of news string */
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if (str > STR_LAST_STRINGID) {
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SetDParam(0, STR_TOWN);
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SetDParam(1, i->town->index);
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@@ -2000,8 +2133,9 @@ static void ChangeIndustryProduction(Ind
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} else {
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SetDParam(0, i->index);
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}
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/* and report the news to the user */
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AddNewsItem(str,
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NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, closeit ? NT_OPENCLOSE : NT_ECONOMY, 0),
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NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, nt, 0),
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i->xy + TileDiffXY(1, 1), 0);
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}
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}
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@@ -2084,7 +2218,7 @@ static CommandCost TerraformTile_Industr
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uint16 res = GetIndustryTileCallback(CBID_INDUSTRY_AUTOSLOPE, 0, 0, gfx, GetIndustryByTile(tile), tile);
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if ((res == 0) || (res == CALLBACK_FAILED)) return _price.terraform;
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} else {
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// allow autoslope
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/* allow autoslope */
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return _price.terraform;
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}
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}
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