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(svn r12384) -Fix (r2428): do not disconnect train when reversing, it may 'think' it is whole in a depot

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smatz 2008-03-19 20:42:05 +00:00
parent e46945a254
commit f45221f274
1 changed files with 7 additions and 15 deletions
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22
src/train_cmd.cpp
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@ -52,7 +52,7 @@
#include "table/train_cmd.h"
static bool TrainCheckIfLineEnds(Vehicle *v);
static void TrainController(Vehicle *v, bool update_image);
static void TrainController(Vehicle *v, Vehicle *nomove, bool update_image);
static TileIndex TrainApproachingCrossingTile(const Vehicle *v);
static const byte _vehicle_initial_x_fract[4] = {10, 8, 4, 8};
@ -1735,17 +1735,9 @@ static void AdvanceWagons(Vehicle *v, bool before)
int differential = last->u.rail.cached_veh_length - base->u.rail.cached_veh_length;
if (before) differential *= -1;
if (differential > 0) {
/* disconnect last car to make sure only this subset moves */
Vehicle *tempnext = last->Next();
last->SetNext(NULL);
/* do not update images now because the wagons are disconnected
* and that could cause problems with NewGRFs */
for (int i = 0; i < differential; i++) TrainController(first, false);
last->SetNext(tempnext);
}
/* do not update images now
* negative differential will are handled in the second run */
for (int i = 0; i < differential; i++) TrainController(first, last->Next(), false);
base = first;
first = first->Next();
@ -2993,12 +2985,12 @@ static void *CheckVehicleAtSignal(Vehicle *v, void *data)
return NULL;
}
static void TrainController(Vehicle *v, bool update_image)
static void TrainController(Vehicle *v, Vehicle *nomove, bool update_image)
{
Vehicle *prev;
/* For every vehicle after and including the given vehicle */
for (prev = v->Previous(); v != NULL; prev = v, v = v->Next()) {
for (prev = v->Previous(); v != nomove; prev = v, v = v->Next()) {
DiagDirection enterdir = DIAGDIR_BEGIN;
bool update_signals_crossing = false; // will we update signals or crossing state?
BeginVehicleMove(v);
@ -3554,7 +3546,7 @@ static void TrainLocoHandler(Vehicle *v, bool mode)
TrainCheckIfLineEnds(v);
do {
TrainController(v, true);
TrainController(v, NULL, true);
CheckTrainCollision(v);
if (v->cur_speed <= 0x100)
break;