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@@ -19,8 +19,15 @@
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#include "../../articulated_vehicles.h"
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#include "table/strings.h"
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bool AIEventEnginePreview::IsEngineValid() const
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{
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const Engine *e = ::Engine::GetIfValid(this->engine);
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return e != NULL && e->IsEnabled();
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}
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char *AIEventEnginePreview::GetName()
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{
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if (!this->IsEngineValid()) return NULL;
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static const int len = 64;
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char *engine_name = MallocT<char>(len);
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@@ -31,6 +38,7 @@ char *AIEventEnginePreview::GetName()
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CargoID AIEventEnginePreview::GetCargoType()
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{
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if (!this->IsEngineValid()) return CT_INVALID;
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CargoArray cap = ::GetCapacityOfArticulatedParts(this->engine);
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CargoID most_cargo = CT_INVALID;
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@@ -47,6 +55,7 @@ CargoID AIEventEnginePreview::GetCargoTy
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int32 AIEventEnginePreview::GetCapacity()
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{
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if (!this->IsEngineValid()) return -1;
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const Engine *e = ::Engine::Get(this->engine);
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switch (e->type) {
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case VEH_ROAD:
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@@ -69,6 +78,7 @@ int32 AIEventEnginePreview::GetCapacity(
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int32 AIEventEnginePreview::GetMaxSpeed()
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{
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if (!this->IsEngineValid()) return -1;
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const Engine *e = ::Engine::Get(this->engine);
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int32 max_speed = e->GetDisplayMaxSpeed(); // km-ish/h
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if (e->type == VEH_AIRCRAFT) max_speed /= _settings_game.vehicle.plane_speed;
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@@ -77,16 +87,19 @@ int32 AIEventEnginePreview::GetMaxSpeed(
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Money AIEventEnginePreview::GetPrice()
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{
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if (!this->IsEngineValid()) return -1;
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return ::Engine::Get(this->engine)->GetCost();
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}
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Money AIEventEnginePreview::GetRunningCost()
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{
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if (!this->IsEngineValid()) return -1;
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return ::Engine::Get(this->engine)->GetRunningCost();
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}
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int32 AIEventEnginePreview::GetVehicleType()
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{
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if (!this->IsEngineValid()) return AIVehicle::VT_INVALID;
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switch (::Engine::Get(this->engine)->type) {
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case VEH_ROAD: return AIVehicle::VT_ROAD;
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case VEH_TRAIN: return AIVehicle::VT_RAIL;
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@@ -98,6 +111,7 @@ int32 AIEventEnginePreview::GetVehicleTy
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bool AIEventEnginePreview::AcceptPreview()
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{
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if (!this->IsEngineValid()) return false;
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return AIObject::DoCommand(0, this->engine, 0, CMD_WANT_ENGINE_PREVIEW);
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}
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