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Codechange: Use const instead of magic number for ship order distance. Allow slightly further distance when following orders.

This commit is contained in:
Peter Nelson 2018-05-20 12:01:17 +01:00 committed by Charles Pigott
parent b98887c4a0
commit 7af53d7588
3 changed files with 5 additions and 2 deletions
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3
src/order_cmd.cpp
View File

@ -23,6 +23,7 @@
#include "core/random_func.hpp"
#include "aircraft.h"
#include "roadveh.h"
#include "ship.h"
#include "station_base.h"
#include "waypoint_base.h"
#include "company_base.h"
@ -929,7 +930,7 @@ CommandCost CmdInsertOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
dist = GetOrderDistance(prev, &new_order, v);
}
if (dist >= 130) {
if (dist >= SHIP_MAX_ORDER_DISTANCE) {
return_cmd_error(STR_ERROR_TOO_FAR_FROM_PREVIOUS_DESTINATION);
}
}

2
src/ship.h
View File

@ -48,6 +48,8 @@ struct Ship FINAL : public SpecializedVehicle<Ship, VEH_SHIP> {
void UpdateCache();
};
static const uint SHIP_MAX_ORDER_DISTANCE = 130;
/**
* Iterate over all ships.
* @param var The variable used for iteration.

2
src/ship_cmd.cpp
View File

@ -459,7 +459,7 @@ static Track ChooseShipTrack(Ship *v, TileIndex tile, DiagDirection enterdir, Tr
bool path_found = true;
Track track;
if (v->dest_tile == 0 || DistanceManhattan(tile, v->dest_tile) > 130) {
if (v->dest_tile == 0 || DistanceManhattan(tile, v->dest_tile) > SHIP_MAX_ORDER_DISTANCE + 5) {
/* No destination or destination too far, don't invoke pathfinder. */
static const TrackBits direction_to_trackbits[DIR_END] = {
TRACK_BIT_LEFT | TRACK_BIT_RIGHT, // DIR_N