cpp/openttd-patchpack/source Changeset - r9990:11fe53c71e1b

Changeset - r9990:11fe53c71e1b

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frosch - 16 years ago 2008-08-23 22:31:36
frosch@openttd.org

(svn r14147) -Codechange: Allow passing 'const Vehicle *' to GetNextUnit() and GetPrevUnit().

1 file changed with 8 insertions and 8 deletions:

src/train.h

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src/train.h

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@@ @@ -265,26 +265,26 @@ static inline Vehicle *GetPrevVehicle(co @@
  * @param v Vehicle.
  * @return Next vehicle in the consist.
  */
 static inline Vehicle *GetNextUnit(Vehicle *v)
+static inline Vehicle *GetNextUnit(const Vehicle *v)
+{
 	assert(v->type == VEH_TRAIN);
 	v = GetNextVehicle(v);
 	if (v != NULL && IsRearDualheaded(v)) v = GetNextVehicle(v);
 	Vehicle *w = GetNextVehicle(v);
 	if (w != NULL && IsRearDualheaded(w)) w = GetNextVehicle(w);
-	return v;
+	return w;
+}
 /** Get the previous real (non-articulated part and non rear part of dualheaded engine) vehicle in the consist.
  * @param v Vehicle.
  * @return Previous vehicle in the consist.
  */
 static inline Vehicle *GetPrevUnit(Vehicle *v)
+static inline Vehicle *GetPrevUnit(const Vehicle *v)
+{
 	assert(v->type == VEH_TRAIN);
 	v = GetPrevVehicle(v);
 	if (v != NULL && IsRearDualheaded(v)) v = GetPrevVehicle(v);
 	Vehicle *w = GetPrevVehicle(v);
 	if (w != NULL && IsRearDualheaded(w)) w = GetPrevVehicle(w);
-	return v;
+	return w;
+}
 void ConvertOldMultiheadToNew();

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