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(svn r14530) -Fix [FS#2138]: Do not deliver cargo to industries not inside station catchment area.
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frosch
parent
11ef57d81e
commit
ac281ed35c
120
src/economy.cpp
120
src/economy.cpp
@ -11,6 +11,7 @@
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#include "command_func.h"
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#include "saveload.h"
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#include "industry.h"
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#include "industry_map.h"
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#include "town.h"
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#include "news_func.h"
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#include "network/network.h"
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@ -1238,47 +1239,98 @@ Money GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, C
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return BigMulS(dist * time_factor * num_pieces, _cargo_payment_rates[cargo_type], 21);
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}
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static void DeliverGoodsToIndustry(TileIndex xy, CargoID cargo_type, int num_pieces)
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struct FindIndustryToDeliverData {
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const Rect *rect; ///< Station acceptance rectangle
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CargoID cargo_type; ///< Cargo type that was delivered
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Industry *ind; ///< Returns found industry
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const IndustrySpec *indspec; ///< Spec of ind
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uint cargo_index; ///< Index of cargo_type in acceptance list of ind
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};
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static bool FindIndustryToDeliver(TileIndex ind_tile, void *user_data)
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{
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Industry *best = NULL;
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Industry *ind;
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const IndustrySpec *indspec;
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uint best_dist;
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uint accepted_cargo_index = 0; ///< unlikely value, just for warning removing
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FindIndustryToDeliverData *callback_data = (FindIndustryToDeliverData *)user_data;
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const Rect *rect = callback_data->rect;
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CargoID cargo_type = callback_data->cargo_type;
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/* Check if there's an industry close to the station that accepts the cargo
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* XXX - Think of something better to
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* 1) Only deliver to industries which are withing the catchment radius
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* 2) Distribute between industries if more than one is present */
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best_dist = (_settings_game.station.station_spread + 8) * 2;
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FOR_ALL_INDUSTRIES(ind) {
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indspec = GetIndustrySpec(ind->type);
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uint i;
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/* Only process industry tiles */
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if (!IsTileType(ind_tile, MP_INDUSTRY)) return false;
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for (i = 0; i < lengthof(ind->accepts_cargo); i++) {
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if (cargo_type == ind->accepts_cargo[i]) break;
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}
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/* Only process tiles in the station acceptance rectangle */
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int x = TileX(ind_tile);
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int y = TileY(ind_tile);
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if (x < rect->left || x > rect->right || y < rect->top || y > rect->bottom) return false;
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/* Check if matching cargo has been found */
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if (i == lengthof(ind->accepts_cargo)) continue;
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Industry *ind = GetIndustryByTile(ind_tile);
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const IndustrySpec *indspec = GetIndustrySpec(ind->type);
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if (HasBit(indspec->callback_flags, CBM_IND_REFUSE_CARGO)) {
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uint16 res = GetIndustryCallback(CBID_INDUSTRY_REFUSE_CARGO, 0, GetReverseCargoTranslation(cargo_type, indspec->grf_prop.grffile), ind, ind->type, ind->xy);
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if (res == 0) continue;
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}
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uint cargo_index;
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for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
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if (cargo_type == ind->accepts_cargo[cargo_index]) break;
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}
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/* Check if matching cargo has been found */
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if (cargo_index >= lengthof(ind->accepts_cargo)) return false;
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uint dist = DistanceManhattan(ind->xy, xy);
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if (dist < best_dist) {
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best = ind;
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best_dist = dist;
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accepted_cargo_index = i;
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}
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/* Check if industry temporarly refuses acceptance */
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if (HasBit(indspec->callback_flags, CBM_IND_REFUSE_CARGO)) {
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uint16 res = GetIndustryCallback(CBID_INDUSTRY_REFUSE_CARGO, 0, GetReverseCargoTranslation(cargo_type, indspec->grf_prop.grffile), ind, ind->type, ind->xy);
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if (res == 0) return false;
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}
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/* Found one? */
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if (best != NULL) {
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indspec = GetIndustrySpec(best->type);
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/* Found industry accepting the cargo */
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callback_data->ind = ind;
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callback_data->indspec = indspec;
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callback_data->cargo_index = cargo_index;
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return true;
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}
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/**
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* Transfer goods from station to industry.
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* All cargo is delivered to the nearest (Manhattan) industry to the station sign, which is inside the acceptance rectangle and actually accepts the cargo.
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* @param st The station that accepted the cargo
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* @param cargo_type Type of cargo delivered
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* @param nun_pieces Amount of cargo delivered
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*/
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static void DeliverGoodsToIndustry(const Station *st, CargoID cargo_type, int num_pieces)
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{
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if (st->rect.IsEmpty()) return;
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/* Compute acceptance rectangle */
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uint catchment_radius = st->GetCatchmentRadius();
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Rect rect = {
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max(st->rect.left - catchment_radius, 0u),
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max(st->rect.top - catchment_radius, 0u),
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min(st->rect.right + catchment_radius, MapMaxX()),
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min(st->rect.bottom + catchment_radius, MapMaxY())
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};
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/* Compute maximum extent of acceptance rectangle wrt. station sign */
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TileIndex start_tile = st->xy;
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uint max_radius = max(
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max(DistanceManhattan(start_tile, TileXY(rect.left , rect.top)), DistanceManhattan(start_tile, TileXY(rect.left , rect.bottom))),
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max(DistanceManhattan(start_tile, TileXY(rect.right, rect.top)), DistanceManhattan(start_tile, TileXY(rect.right, rect.bottom)))
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);
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FindIndustryToDeliverData callback_data;
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callback_data.rect = ▭
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callback_data.cargo_type = cargo_type;
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callback_data.ind = NULL;
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callback_data.indspec = NULL;
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callback_data.cargo_index = 0;
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/* Find the nearest industrytile to the station sign inside the catchment area, whose industry accepts the cargo.
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* This fails in three cases:
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* 1) The station accepts the cargo because there are enough houses around it accepting the cargo.
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* 2) The industries in the catchment area temporarily reject the cargo, and the daily station loop has not yet updated station acceptance.
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* 3) The results of callbacks CBID_INDUSTRY_REFUSE_CARGO and CBID_INDTILE_CARGO_ACCEPTANCE are inconsistent. (documented behaviour)
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*/
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if (CircularTileSearch(&start_tile, 2 * max_radius + 1, FindIndustryToDeliver, &callback_data)) {
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Industry *best = callback_data.ind;
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const IndustrySpec *indspec = callback_data.indspec;
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uint accepted_cargo_index = callback_data.cargo_index;
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assert(best != NULL && indspec != NULL);
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uint16 callback = indspec->callback_flags;
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best->was_cargo_delivered = true;
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@ -1395,7 +1447,7 @@ static Money DeliverGoods(int num_pieces, CargoID cargo_type, StationID source,
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if (cs->town_effect == TE_WATER) s_to->town->new_act_water += num_pieces;
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/* Give the goods to the industry. */
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DeliverGoodsToIndustry(s_to->xy, cargo_type, num_pieces);
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DeliverGoodsToIndustry(s_to, cargo_type, num_pieces);
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/* Determine profit */
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profit = GetTransportedGoodsIncome(num_pieces, DistanceManhattan(source_tile, s_to->xy), days_in_transit, cargo_type);
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