static StringID GetRoadVehEngineInfoString(const Engine *e)
{
if (_settings_game.vehicle.roadveh_acceleration_model == AM_ORIGINAL) {
SetDParam(0, e->GetCost());
SetDParam(1, e->GetDisplayMaxSpeed());
uint capacity = GetTotalCapacityOfArticulatedParts(e->index);
if (capacity != 0) {
SetDParam(2, e->GetDefaultCargoType());
SetDParam(3, capacity);
} else {
SetDParam(2, CT_INVALID);
}
SetDParam(4, e->GetRunningCost());
return STR_ENGINE_PREVIEW_COST_MAX_SPEED_CAP_RUNCOST;
} else {
SetDParam(0, e->GetCost());
SetDParam(2, e->GetDisplayMaxSpeed());
SetDParam(3, e->GetPower());
SetDParam(1, e->GetDisplayWeight());
SetDParam(7, e->GetDisplayMaxTractiveEffort());
SetDParam(4, e->GetRunningCost());
uint capacity = GetTotalCapacityOfArticulatedParts(e->index);
if (capacity != 0) {
SetDParam(5, e->GetDefaultCargoType());
SetDParam(6, capacity);
} else {
SetDParam(5, CT_INVALID);
}
return STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER_MAX_TE;
}
}
/**
* Determines order of road vehicles by capacity
* @param *a first engine to compare
* @param *b second engine to compare
* @return for descending order: returns < 0 if a < b and > 0 for a > b. Vice versa for ascending order and 0 for equal
*/
static int CDECL RoadVehEngineCapacitySorter(const EngineID *a, const EngineID *b)
{
int va = GetTotalCapacityOfArticulatedParts(*a);
int vb = GetTotalCapacityOfArticulatedParts(*b);
int r = va - vb;
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
/**
* Determines order of train engines by capacity
* @param *a first engine to compare
* @param *b second engine to compare
* @return for descending order: returns < 0 if a < b and > 0 for a > b. Vice versa for ascending order and 0 for equal
*/
static int CDECL TrainEngineCapacitySorter(const EngineID *a, const EngineID *b)
{
const RailVehicleInfo *rvi_a = RailVehInfo(*a);
const RailVehicleInfo *rvi_b = RailVehInfo(*b);
int va = GetTotalCapacityOfArticulatedParts(*a) * (rvi_a->railveh_type == RAILVEH_MULTIHEAD ? 2 : 1);
int vb = GetTotalCapacityOfArticulatedParts(*b) * (rvi_b->railveh_type == RAILVEH_MULTIHEAD ? 2 : 1);
int r = va - vb;
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
static StringID GetTrainEngineInfoString(const Engine *e)
{
SetDParam(0, e->GetCost());
SetDParam(2, e->GetDisplayMaxSpeed());
SetDParam(3, e->GetPower());
SetDParam(1, e->GetDisplayWeight());
SetDParam(7, e->GetDisplayMaxTractiveEffort());
SetDParam(4, e->GetRunningCost());
uint capacity = GetTotalCapacityOfArticulatedParts(e->index);
if (capacity != 0) {
SetDParam(5, e->GetDefaultCargoType());
SetDParam(6, capacity);
} else {
SetDParam(5, CT_INVALID);
}
return (_settings_game.vehicle.train_acceleration_model != AM_ORIGINAL && GetRailTypeInfo(e->u.rail.railtype)->acceleration_type != 2) ? STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER_MAX_TE : STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER;
}
/* Draw road vehicle specific details */
static int DrawRoadVehPurchaseInfo(int left, int right, int y, EngineID engine_number)
{
const Engine *e = Engine::Get(engine_number);
if (_settings_game.vehicle.roadveh_acceleration_model != AM_ORIGINAL) {
/* Purchase Cost */
SetDParam(0, e->GetCost());
DrawString(left, right, y, STR_PURCHASE_INFO_COST);
y += FONT_HEIGHT_NORMAL;
/* Road vehicle weight - (including cargo) */
int16 weight = e->GetDisplayWeight();
SetDParam(0, weight);
uint cargo_weight = (e->CanCarryCargo() ? CargoSpec::Get(e->GetDefaultCargoType())->weight * GetTotalCapacityOfArticulatedParts(engine_number) / 16 : 0);
SetDParam(1, cargo_weight + weight);
DrawString(left, right, y, STR_PURCHASE_INFO_WEIGHT_CWEIGHT);
y += FONT_HEIGHT_NORMAL;
/* Max speed - Engine power */
SetDParam(0, e->GetDisplayMaxSpeed());
SetDParam(1, e->GetPower());
DrawString(left, right, y, STR_PURCHASE_INFO_SPEED_POWER);
y += FONT_HEIGHT_NORMAL;
/* Max tractive effort */
SetDParam(0, e->GetDisplayMaxTractiveEffort());
DrawString(left, right, y, STR_PURCHASE_INFO_MAX_TE);
y += FONT_HEIGHT_NORMAL;
} else {
/* Purchase cost - Max speed */
SetDParam(0, e->GetCost());
SetDParam(1, e->GetDisplayMaxSpeed());
DrawString(left, right, y, STR_PURCHASE_INFO_COST_SPEED);
y += FONT_HEIGHT_NORMAL;
}
/* Running cost */
SetDParam(0, e->GetRunningCost());
DrawString(left, right, y, STR_PURCHASE_INFO_RUNNINGCOST);
y += FONT_HEIGHT_NORMAL;
return y;
}
/* Draw rail wagon specific details */
static int DrawRailWagonPurchaseInfo(int left, int right, int y, EngineID engine_number, const RailVehicleInfo *rvi)
{
const Engine *e = Engine::Get(engine_number);
/* Purchase cost */
SetDParam(0, e->GetCost());
DrawString(left, right, y, STR_PURCHASE_INFO_COST);
y += FONT_HEIGHT_NORMAL;
/* Wagon weight - (including cargo) */
uint weight = e->GetDisplayWeight();
SetDParam(0, weight);
uint cargo_weight = (e->CanCarryCargo() ? CargoSpec::Get(e->GetDefaultCargoType())->weight * GetTotalCapacityOfArticulatedParts(engine_number) / 16 : 0);
SetDParam(1, cargo_weight + weight);
DrawString(left, right, y, STR_PURCHASE_INFO_WEIGHT_CWEIGHT);
y += FONT_HEIGHT_NORMAL;
/* Wagon speed limit, displayed if above zero */
if (_settings_game.vehicle.wagon_speed_limits) {
uint max_speed = e->GetDisplayMaxSpeed();
if (max_speed > 0) {
SetDParam(0, max_speed);
DrawString(left, right, y, STR_PURCHASE_INFO_SPEED);
y += FONT_HEIGHT_NORMAL;
}
}
/* Running cost */
if (rvi->running_cost_class != INVALID_PRICE) {
SetDParam(0, e->GetRunningCost());
DrawString(left, right, y, STR_PURCHASE_INFO_RUNNINGCOST);
y += FONT_HEIGHT_NORMAL;
}
return y;
}
