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Fix #7847: Use ViewportSign coordinates for sign Kdtree coordinates (#7849)

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Ensure the same coordinates are used for station/town/player signs regardless of how the landscape changes below it after the coordinates were first determined.

By keeping track of whether each ViewportSign is valid for Kdtree use (and only ever registering the viewport sign when the object is valid) a lot of code can be simplified and become more robust at the same time.
This commit is contained in:
Niels Martin Hansen
2019-12-01 23:17:33 +01:00
committed by GitHub
parent f91c701ffe
commit 9900af38f5
12 changed files with 68 additions and 60 deletions
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12
src/signs_base.h
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@@ -19,12 +19,12 @@ typedef Pool<Sign, SignID, 16, 64000> SignPool;
extern SignPool _sign_pool;
struct Sign : SignPool::PoolItem<&_sign_pool> {
char *name;
ViewportSign sign;
int32 x;
int32 y;
int32 z;
Owner owner; // placed by this company. Anyone can delete them though. OWNER_NONE for gray signs from old games.
char *name;
TrackedViewportSign sign;
int32 x;
int32 y;
int32 z;
Owner owner; // placed by this company. Anyone can delete them though. OWNER_NONE for gray signs from old games.
Sign(Owner owner = INVALID_OWNER);
~Sign();