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(svn r11424) -Fix: an override can be set only once

This commit is contained in:
glx 2007-11-12 20:42:35 +00:00
parent de4e9cdc9c
commit 9cee4e91cb
1 changed files with 2 additions and 0 deletions
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2
src/newgrf_commons.cpp
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@ -50,6 +50,8 @@ OverrideManagerBase::~OverrideManagerBase()
void OverrideManagerBase::Add(uint8 local_id, uint32 grfid, uint entity_type)
{
assert(entity_type < max_offset);
/* An override can be set only once */
if (entity_overrides[entity_type] != invalid_ID) return;
entity_overrides[entity_type] = local_id;
grfid_overrides[entity_type] = grfid;
}