mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r22979) -Codechange: Add GroupStatistics::CountEngine().
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@ -35,6 +35,7 @@ struct GroupStatistics {
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static GroupStatistics &Get(const Vehicle *v);
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static void CountVehicle(const Vehicle *v, int delta);
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static void CountEngine(const Vehicle *v, int delta);
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static void UpdateAfterLoad();
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};
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@ -111,13 +111,7 @@ void GroupStatistics::Clear()
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Company::Get(v->owner)->num_engines[v->engine_type]++;
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if (v->group_id == DEFAULT_GROUP) continue;
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g = Group::Get(v->group_id);
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assert(v->type == g->vehicle_type);
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assert(v->owner == g->owner);
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g->statistics.num_engines[v->engine_type]++;
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GroupStatistics::CountEngine(v, 1);
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if (v->IsPrimaryVehicle()) GroupStatistics::CountVehicle(v, 1);
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}
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}
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@ -137,22 +131,34 @@ void GroupStatistics::Clear()
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stats.num_vehicle += delta;
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}
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/**
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* Update num_engines when adding/removing an engine.
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* @param v Engine to count.
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* @param delta +1 to add, -1 to remove.
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*/
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/* static */ void GroupStatistics::CountEngine(const Vehicle *v, int delta)
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{
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assert(delta == 1 || delta == -1);
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if (!Group::IsValidID(v->group_id)) return;
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GroupStatistics::Get(v).num_engines[v->engine_type] += delta;
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}
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/**
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* Update the num engines of a groupID. Decrease the old one and increase the new one
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* @note called in SetTrainGroupID and UpdateTrainGroupID
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* @param i EngineID we have to update
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* @param v Vehicle we have to update
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* @param old_g index of the old group
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* @param new_g index of the new group
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*/
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static inline void UpdateNumEngineGroup(EngineID i, GroupID old_g, GroupID new_g)
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static inline void UpdateNumEngineGroup(const Vehicle *v, GroupID old_g, GroupID new_g)
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{
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if (old_g != new_g) {
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/* Decrease the num engines of EngineID i of the old group if it's not the default one */
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if (!IsDefaultGroupID(old_g) && Group::IsValidID(old_g)) Group::Get(old_g)->statistics.num_engines[i]--;
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/* Decrease the num engines in the old group */
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if (Group::IsValidID(old_g)) GroupStatistics::Get(v->owner, old_g, v->type).num_engines[v->engine_type]--;
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/* Increase the num engines of EngineID i of the new group if it's not the default one */
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if (!IsDefaultGroupID(new_g) && Group::IsValidID(new_g)) Group::Get(new_g)->statistics.num_engines[i]++;
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/* Increase the num engines in the new group */
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if (Group::IsValidID(new_g)) GroupStatistics::Get(v->owner, new_g, v->type).num_engines[v->engine_type]++;
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}
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}
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@ -330,7 +336,7 @@ CommandCost CmdAddVehicleGroup(TileIndex tile, DoCommandFlag flags, uint32 p1, u
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case VEH_ROAD:
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case VEH_SHIP:
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case VEH_AIRCRAFT:
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if (v->IsEngineCountable()) UpdateNumEngineGroup(v->engine_type, v->group_id, new_g);
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if (v->IsEngineCountable()) UpdateNumEngineGroup(v, v->group_id, new_g);
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v->group_id = new_g;
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break;
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}
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@ -474,7 +480,7 @@ void SetTrainGroupID(Train *v, GroupID new_g)
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assert(v->IsFrontEngine() || IsDefaultGroupID(new_g));
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for (Vehicle *u = v; u != NULL; u = u->Next()) {
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if (u->IsEngineCountable()) UpdateNumEngineGroup(u->engine_type, u->group_id, new_g);
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if (u->IsEngineCountable()) UpdateNumEngineGroup(u, u->group_id, new_g);
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u->group_id = new_g;
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}
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@ -497,7 +503,7 @@ void UpdateTrainGroupID(Train *v)
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GroupID new_g = v->IsFrontEngine() ? v->group_id : (GroupID)DEFAULT_GROUP;
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for (Vehicle *u = v; u != NULL; u = u->Next()) {
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if (u->IsEngineCountable()) UpdateNumEngineGroup(u->engine_type, u->group_id, new_g);
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if (u->IsEngineCountable()) UpdateNumEngineGroup(u, u->group_id, new_g);
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u->group_id = new_g;
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}
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@ -697,7 +697,7 @@ void Vehicle::PreDestructor()
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if (this->owner == _local_company) InvalidateAutoreplaceWindow(this->engine_type, this->group_id);
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DeleteGroupHighlightOfVehicle(this);
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if (Group::IsValidID(this->group_id)) Group::Get(this->group_id)->statistics.num_engines[this->engine_type]--;
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GroupStatistics::CountEngine(this, -1);
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if (this->IsPrimaryVehicle()) GroupStatistics::CountVehicle(this, -1);
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}
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