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VarAction2: Convert boolean, invert sequence to ternary

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Jonathan G Rennison 2022-05-26 00:12:54 +01:00
parent 90a2aa57fc
commit 2f09eff404
1 changed files with 8 additions and 0 deletions
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8
src/newgrf.cpp
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@ -5800,6 +5800,14 @@ static void NewSpriteGroup(ByteReader *buf)
inference = VA2AIF_SIGNED_NON_NEGATIVE | VA2AIF_ONE_OR_ZERO;
break;
}
if (prev.operation == DSGA_OP_UMIN && prev.type == DSGA_TYPE_NONE && prev.variable == 0x1A && prev.shift_num == 0 && prev.and_mask == 1) {
prev.operation = DSGA_OP_TERNARY;
prev.and_mask = 0;
prev.add_val = 1;
group->adjusts.pop_back();
inference = VA2AIF_PREV_TERNARY;
break;
}
}
if (adjust.and_mask <= 1) inference = prev_inference & (VA2AIF_SIGNED_NON_NEGATIVE | VA2AIF_ONE_OR_ZERO);
break;