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Use absolute value for bouncy in collision (#11969)

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* use abs(bouncy) in collision
* test case for negative bouncy
* send abs(bouncy) to old clients
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pecksin 2022-02-16 17:06:00 -05:00 • committed by GitHub
parent 258ae99491
commit 5d0b18a0d0
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3 changed files with 10 additions and 4 deletions
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src/collision.cpp
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@ -303,7 +303,8 @@ collisionMoveResult collisionMoveSimple(Environment *env, IGameDef *gamedef,
if (!f.walkable)
continue;
int n_bouncy_value = itemgroup_get(f.groups, "bouncy");
// Negative bouncy may have a meaning, but we need +value here.
int n_bouncy_value = abs(itemgroup_get(f.groups, "bouncy"));
int neighbors = 0;
if (f.drawtype == NDT_NODEBOX &&