mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r1938) Miscellaneous cleanups: const correctness, kill a goto, ...
This commit is contained in:
tron
parent
9973e97b84
commit
aee2b0c50a
44
Makefile
44
Makefile
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@ -687,39 +687,14 @@ LANGS = $(LANG_TXT:%.txt=%.lng)
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#
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# If we are verbose, we will show commands prefixed by $(Q) (which acts as
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# @ in the non-verbose mode), and we will show the "real" cmds instead of
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# their quiet versions (which are used in the non-verbose mode).
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# @ in the non-verbose mode)
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# Inspired by the Linux kernel build system.
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ifdef VERBOSE
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Q =
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quiet =
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else
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Q = @
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quiet = quiet_
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endif
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# Show the command (quiet or non-quiet version based on the assignment
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# just above) and then execute it.
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cmd = @$(if $($(quiet)cmd_$(1)),echo $($(quiet)cmd_$(1)) &&) $(cmd_$(1))
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# The build commands themselves. Note that if you omit the quiet version,
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# nothing will be shown in the non-verbose mode.
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quiet_cmd_compile_link = '===> Compiling and Linking $@'
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cmd_compile_link = $(CC) $(BASECFLAGS) $(CDEFS) $< -o $@
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quiet_cmd_ttd_link = '===> Linking $@'
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cmd_ttd_link = $(CC) $(LDFLAGS) $(TTDLDFLAGS) $(OBJS) $(LIBS) -o $@
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COMPILE_PARAMS=$(CFLAGS) $(CDEFS) -MD -c $< -o $@
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quiet_cmd_c_compile = '===> Compiling $<'
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cmd_c_compile = $(CC) $(COMPILE_PARAMS)
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quiet_cmd_cxx_compile = '===> Compiling $<'
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cmd_cxx_compile = $(CXX) $(COMPILE_PARAMS)
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##############################################################################
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#
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@ -742,11 +717,13 @@ endian.h: $(ENDIAN_CHECK)
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$(Q)./$(ENDIAN_CHECK) > $@
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$(ENDIAN_CHECK): endian_check.c
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$(call cmd,compile_link)
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@echo '===> Compiling and Linking $@'
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$(Q)$(CC) $(BASECFLAGS) $(CDEFS) $< -o $@
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$(TTD): table/strings.h $(OBJS) $(MAKE_CONFIG)
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$(call cmd,ttd_link)
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@echo '===> Linking $@'
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$(Q)$(CC) $(LDFLAGS) $(TTDLDFLAGS) $(OBJS) $(LIBS) -o $@
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$(OSX): $(TTD)
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$(Q)rm -fr "$(OSXAPP)"
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@ -772,7 +749,8 @@ $(64_bit_warnings):
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$(warning If you see any bugs, include in your bug report that you use a 64 bit CPU)
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$(STRGEN): strgen/strgen.c endian.h
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$(call cmd,compile_link)
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@echo '===> Compiling and Linking $@'
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$(Q)$(CC) $(BASECFLAGS) $(CDEFS) $< -o $@
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table/strings.h: lang/english.txt $(STRGEN)
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@echo '===> Generating $@'
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@ -957,11 +935,13 @@ DEPS_MAGIC := $(shell mkdir .deps > /dev/null 2>&1 || :)
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# therefore we do not need to watch deps.
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%.o: %.c $(MAKE_CONFIG) endian.h table/strings.h
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$(call cmd,c_compile)
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@echo '===> Compiling $<'
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$(Q)$(CC) $(CFLAGS) $(CDEFS) -MD -c $< -o $@
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@mv $(<:%.c=%.d) $(<:%.c=.deps/%.d)
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%.o: %.cpp $(MAKE_CONFIG) endian.h table/strings.h
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$(call cmd,cxx_compile)
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@echo '===> Compiling $<'
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$(Q)$(CXX) $(CFLAGS) $(CDEFS) -MD -c $< -o $@
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@mv $(<:%.c=%.d) $(<:%.c=.deps/%.d)
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# Silence stale header dependencies
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@ -970,6 +950,6 @@ DEPS_MAGIC := $(shell mkdir .deps > /dev/null 2>&1 || :)
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info:
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@echo 'CFLAGS = $(CFLAGS)'
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@echo 'CFLAGS = $(CFLAGS) $(CDEFS)'
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@echo 'LDFLAGS = $(LDFLAGS)'
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@echo 'LIBS = $(LIBS)'
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69
train_cmd.c
69
train_cmd.c
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@ -2270,20 +2270,25 @@ static void TrainMovedChangeSignals(uint tile, int dir)
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typedef struct TrainCollideChecker {
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Vehicle *v, *v_skip;
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const Vehicle *v;
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const Vehicle *v_skip;
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} TrainCollideChecker;
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static void *FindTrainCollideEnum(Vehicle *v, TrainCollideChecker *tcc)
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static void *FindTrainCollideEnum(Vehicle *v, void *data)
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{
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if (v == tcc->v || v == tcc->v_skip || v->type != VEH_Train || v->u.rail.track==0x80)
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return 0;
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const TrainCollideChecker* tcc = data;
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if ( myabs(v->z_pos - tcc->v->z_pos) > 6 ||
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myabs(v->x_pos - tcc->v->x_pos) >= 6 ||
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myabs(v->y_pos - tcc->v->y_pos) >= 6)
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return NULL;
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return v;
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if (v != tcc->v &&
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v != tcc->v_skip &&
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v->type == VEH_Train &&
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v->u.rail.track != 0x80 &&
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myabs(v->z_pos - tcc->v->z_pos) <= 6 &&
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myabs(v->x_pos - tcc->v->x_pos) < 6 &&
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myabs(v->y_pos - tcc->v->y_pos) < 6) {
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return v;
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} else {
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return NULL;
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}
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}
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static void SetVehicleCrashed(Vehicle *v)
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@ -2303,7 +2308,7 @@ static void SetVehicleCrashed(Vehicle *v)
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InvalidateWindowWidget(WC_VEHICLE_VIEW, u->index, STATUS_BAR);
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}
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static int CountPassengersInTrain(Vehicle *v)
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static int CountPassengersInTrain(const Vehicle *v)
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{
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int num = 0;
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BEGIN_ENUM_WAGONS(v)
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@ -2313,7 +2318,7 @@ static int CountPassengersInTrain(Vehicle *v)
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}
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/*
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* Checks whether the specified tried has a collision with another vehicle. If
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* Checks whether the specified train has a collision with another vehicle. If
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* so, destroys this vehicle, and the other vehicle if its subtype is 0 (TS_Front_Engine).
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* Reports the incident in a flashy news item, modifies station ratings and
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* plays a sound.
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@ -2321,34 +2326,35 @@ static int CountPassengersInTrain(Vehicle *v)
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static void CheckTrainCollision(Vehicle *v)
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{
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TrainCollideChecker tcc;
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Vehicle *coll,*realcoll;
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Vehicle *coll;
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Vehicle *realcoll;
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int num;
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/* can't collide in depot */
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if (v->u.rail.track == 0x80)
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return;
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if ( !(v->u.rail.track == 0x40) )
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assert((uint)TILE_FROM_XY(v->x_pos, v->y_pos) == v->tile);
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assert(v->u.rail.track == 0x40 || TILE_FROM_XY(v->x_pos, v->y_pos) == v->tile);
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tcc.v = v;
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tcc.v_skip = v->next;
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/* find colliding vehicle */
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realcoll = coll = VehicleFromPos(TILE_FROM_XY(v->x_pos, v->y_pos), &tcc, (VehicleFromPosProc*)FindTrainCollideEnum);
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if (coll == NULL)
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realcoll = VehicleFromPos(TILE_FROM_XY(v->x_pos, v->y_pos), &tcc, FindTrainCollideEnum);
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if (realcoll == NULL)
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return;
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coll = GetFirstVehicleInChain(coll);
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coll = GetFirstVehicleInChain(realcoll);
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/* it can't collide with its own wagons */
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if ( (v == coll) || ( (v->u.rail.track & 0x40) && ( (v->direction & 2) != (realcoll->direction & 2) ) ) )
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if (v == coll ||
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(v->u.rail.track & 0x40 && (v->direction & 2) != (realcoll->direction & 2)))
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return;
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//two drivers + passangers killed in train v
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num = 2 + CountPassengersInTrain(v);
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if(!(coll->vehstatus&VS_CRASHED))
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if (!(coll->vehstatus & VS_CRASHED))
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//two drivers + passangers killed in train coll (if it was not crashed already)
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num += 2 + CountPassengersInTrain(coll);
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@ -2360,9 +2366,10 @@ static void CheckTrainCollision(Vehicle *v)
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SetDParam(0, num);
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AddNewsItem(STR_8868_TRAIN_CRASH_DIE_IN_FIREBALL,
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NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ACCIDENT, 0),
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NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_VEHICLE, NT_ACCIDENT, 0),
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v->index,
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0);
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0
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);
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ModifyStationRatingAround(v->tile, v->owner, -160, 30);
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SndPlayVehicleFx(SND_13_BIG_CRASH, v);
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@ -2398,7 +2405,7 @@ static void TrainController(Vehicle *v)
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byte old_z;
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/* For every vehicle after and including the given vehicle */
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for(;;) {
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for (; v != NULL; prev = v, v = v->next) {
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BeginVehicleMove(v);
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if (v->u.rail.track != 0x40) {
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@ -2536,7 +2543,7 @@ static void TrainController(Vehicle *v)
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VehiclePositionChanged(v);
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if (prev == NULL)
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CheckTrainCollision(v);
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goto next_vehicle;
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continue;
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}
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common:;
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@ -2556,12 +2563,6 @@ common:;
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AffectSpeedByZChange(v, old_z);
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CheckTrainCollision(v);
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}
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next_vehicle:;
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/* continue with next vehicle */
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prev = v;
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if ((v=v->next) == NULL)
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return;
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}
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invalid_rail:
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@ -2625,10 +2626,7 @@ static void DeleteLastWagon(Vehicle *v)
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/* Go to the last wagon and delete the link pointing there
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* *u is then the one-before-last wagon, and *v the last
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* one which will physicially be removed */
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while (v->next != NULL) {
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u = v;
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v = v->next;
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}
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for (; v->next != NULL; v = v->next) u = v;
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u->next = NULL;
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InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
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@ -2643,7 +2641,8 @@ static void DeleteLastWagon(Vehicle *v)
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if (!(v->u.rail.track & 0xC0))
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SetSignalsOnBothDir(v->tile, FIND_FIRST_BIT(v->u.rail.track));
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/* Check if the wagon was on a road/rail-crossing and disable it if no others are on it */
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/* Check if the wagon was on a road/rail-crossing and disable it if no
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* others are on it */
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DisableTrainCrossing(v->tile);
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if (v->u.rail.track == 0x40) { // inside a tunnel
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