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Fix for Duke 3d rotating doors #1191

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Merged
coelckers merged 1 commit into from
Nov 19, 2025
Merged

Fix for Duke 3d rotating doors #1191

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6 changes: 5 additions & 1 deletion source/games/duke/src/actors.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2519,7 +2519,11 @@ void handle_se11(DDukeActor *actor)
if (actor->temp_data[4] <= -511 || actor->temp_data[4] >= 512)
{
actor->temp_data[4] = 0;
actor->temp_angle = mapangle(actor->temp_angle.Buildang() & 0xffffff00); // Gross hack! What is this supposed to do?
// Normalize to avoid getting negative Build angle on CCW rotations
int snapped = actor->temp_angle.Normalized360().Buildang();
// Quantize to 256-bit increments to prevent vector drift (legacy Build behavior)
snapped &= 0xffffff00;
actor->temp_angle = mapangle(snapped);
movesector(actor, actor->temp_data[1], actor->temp_angle);
//SetActor(actor, actor->spr.pos);
}
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