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@ -73,14 +73,14 @@
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/* static */ bool AITile::IsSteepSlope(Slope slope)
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{
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if (slope == SLOPE_INVALID) return false;
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if ((slope & ~(SLOPE_ELEVATED | SLOPE_STEEP | SLOPE_HALFTILE_MASK)) != 0) return false;
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return ::IsSteepSlope((::Slope)slope);
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}
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/* static */ bool AITile::IsHalftileSlope(Slope slope)
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{
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if (slope == SLOPE_INVALID) return false;
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if ((slope & ~(SLOPE_ELEVATED | SLOPE_STEEP | SLOPE_HALFTILE_MASK)) != 0) return false;
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return ::IsHalftileSlope((::Slope)slope);
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}
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@ -124,9 +124,7 @@
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/* static */ AITile::Slope AITile::GetComplementSlope(Slope slope)
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{
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if (slope == SLOPE_INVALID) return SLOPE_INVALID;
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if (IsSteepSlope(slope)) return SLOPE_INVALID;
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if (IsHalftileSlope(slope)) return SLOPE_INVALID;
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if ((slope & ~SLOPE_ELEVATED) != 0) return SLOPE_INVALID;
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return (Slope)::ComplementSlope((::Slope)slope);
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}
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