src/newgrf_engine.cpp
changeset 6822 f3544cc05d18
parent 6621 441559124aea
child 6857 60130753e595
equal deleted inserted replaced
6821:03a7555a5b80 6822:f3544cc05d18
   526 
   526 
   527 				return chain_before | chain_after << 8 | (chain_before + chain_after + (variable == 0x41)) << 16;
   527 				return chain_before | chain_after << 8 | (chain_before + chain_after + (variable == 0x41)) << 16;
   528 			}
   528 			}
   529 
   529 
   530 		case 0x42: { // Consist cargo information
   530 		case 0x42: { // Consist cargo information
   531 			/* XXX Missing support for common refit cycle and property 25 */
       
   532 			const Vehicle *u;
   531 			const Vehicle *u;
   533 			byte cargo_classes = 0;
   532 			byte cargo_classes = 0;
   534 			uint common_cargo_best = 0;
   533 			uint8 common_cargo_best = 0;
   535 			uint common_cargos[NUM_CARGO];
   534 			uint8 common_cargos[NUM_CARGO];
       
   535 			uint8 common_subtype_best = 0;
       
   536 			uint8 common_subtypes[256];
   536 			byte user_def_data = 0;
   537 			byte user_def_data = 0;
   537 			CargoID common_cargo_type = CT_PASSENGERS;
   538 			CargoID common_cargo_type = CT_PASSENGERS;
       
   539 			uint8 common_subtype = 0;
   538 
   540 
   539 			/* Reset our arrays */
   541 			/* Reset our arrays */
   540 			memset(common_cargos, 0, sizeof(common_cargos));
   542 			memset(common_cargos, 0, sizeof(common_cargos));
       
   543 			memset(common_subtypes, 0, sizeof(common_subtypes));
   541 
   544 
   542 			for (u = v; u != NULL; u = u->next) {
   545 			for (u = v; u != NULL; u = u->next) {
   543 				/* Skip empty engines */
   546 				/* Skip empty engines */
   544 				if (u->cargo_cap == 0) continue;
   547 				if (u->cargo_cap == 0) continue;
   545 
   548 
   546 				cargo_classes |= GetCargo(u->cargo_type)->classes;
   549 				cargo_classes |= GetCargo(u->cargo_type)->classes;
   547 				common_cargos[u->cargo_type]++;
   550 				common_cargos[u->cargo_type]++;
   548 				user_def_data |= RailVehInfo(u->engine_type)->user_def_data;
   551 				user_def_data |= RailVehInfo(u->engine_type)->user_def_data;
       
   552 				common_subtypes[u->cargo_subtype]++;
   549 			}
   553 			}
   550 
   554 
   551 			/* Pick the most common cargo type */
   555 			/* Pick the most common cargo type */
   552 			for (CargoID cargo = 0; cargo < NUM_CARGO; cargo++) {
   556 			for (CargoID cargo = 0; cargo < NUM_CARGO; cargo++) {
   553 				if (common_cargos[cargo] > common_cargo_best) {
   557 				if (common_cargos[cargo] > common_cargo_best) {
   554 					common_cargo_best = common_cargos[cargo];
   558 					common_cargo_best = common_cargos[cargo];
   555 					common_cargo_type = GetCargo(cargo)->bitnum;
   559 					common_cargo_type = GetCargo(cargo)->bitnum;
   556 				}
   560 				}
   557 			}
   561 			}
   558 
   562 
   559 			return cargo_classes | (common_cargo_type << 8) | (user_def_data << 24);
   563 			for (uint i = 0; i < lengthof(common_subtypes); i++) {
       
   564 				if (common_subtypes[i] > common_subtype_best) {
       
   565 					common_subtype_best = common_subtypes[i];
       
   566 					common_subtype = i;
       
   567 				}
       
   568 			}
       
   569 
       
   570 			return cargo_classes | (common_cargo_type << 8) | (common_subtype << 16) | (user_def_data << 24);
   560 		}
   571 		}
   561 
   572 
   562 		case 0x43: // Player information
   573 		case 0x43: // Player information
   563 			return v->owner | (GetPlayer(v->owner)->is_ai ? 0x10000 : 0) | (LiveryHelper(v->engine_type, v) << 24);
   574 			return v->owner | (GetPlayer(v->owner)->is_ai ? 0x10000 : 0) | (LiveryHelper(v->engine_type, v) << 24);
   564 
   575