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Add defensive checks to DrawVehiclePurchaseInfo

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This commit is contained in:
Jonathan G Rennison
2021-08-04 17:24:10 +01:00
parent 9176fe5f64
commit 4d99c501b3
1 changed files with 2 additions and 2 deletions
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4
src/build_vehicle_gui.cpp
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@@ -710,7 +710,7 @@ static int DrawRailWagonPurchaseInfo(int left, int right, int y, EngineID engine
/* Wagon weight - (including cargo) */
uint weight = e->GetDisplayWeight();
SetDParam(0, weight);
uint cargo_weight = (e->CanCarryCargo() ? CargoSpec::Get(te.cargo)->weight * te.capacity / 16 : 0);
uint cargo_weight = ((e->CanCarryCargo() && te.cargo < NUM_CARGO) ? CargoSpec::Get(te.cargo)->weight * te.capacity / 16 : 0);
SetDParam(1, cargo_weight + weight);
DrawString(left, right, y, STR_PURCHASE_INFO_WEIGHT_CWEIGHT);
y += FONT_HEIGHT_NORMAL;
@@ -804,7 +804,7 @@ static int DrawRoadVehPurchaseInfo(int left, int right, int y, EngineID engine_n
/* Road vehicle weight - (including cargo) */
int16 weight = e->GetDisplayWeight();
SetDParam(0, weight);
uint cargo_weight = (e->CanCarryCargo() ? CargoSpec::Get(te.cargo)->weight * te.capacity / 16 : 0);
uint cargo_weight = ((e->CanCarryCargo() && te.cargo < NUM_CARGO) ? CargoSpec::Get(te.cargo)->weight * te.capacity / 16 : 0);
SetDParam(1, cargo_weight + weight);
DrawString(left, right, y, STR_PURCHASE_INFO_WEIGHT_CWEIGHT);
y += FONT_HEIGHT_NORMAL;