diff options
Diffstat (limited to 'src/engine.cpp')
| -rw-r--r-- | src/engine.cpp | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/src/engine.cpp b/src/engine.cpp index 60000ac5b..91d52f5cb 100644 --- a/src/engine.cpp +++ b/src/engine.cpp @@ -494,15 +494,33 @@ static bool IsUniqueEngineName(const char *name) CommandCost CmdRenameEngine(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { if (!IsEngineIndex(p1)) return CMD_ERROR; - if (StrEmpty(_cmd_text) || strlen(_cmd_text) >= MAX_LENGTH_ENGINE_NAME_BYTES) return CMD_ERROR; - if (!IsUniqueEngineName(_cmd_text)) return_cmd_error(STR_NAME_MUST_BE_UNIQUE); + bool reset = StrEmpty(_cmd_text); + + if (!reset) { + if (strlen(_cmd_text) >= MAX_LENGTH_ENGINE_NAME_BYTES) return CMD_ERROR; + if (!IsUniqueEngineName(_cmd_text)) return_cmd_error(STR_NAME_MUST_BE_UNIQUE); + } if (flags & DC_EXEC) { Engine *e = GetEngine(p1); free(e->name); - e->name = strdup(_cmd_text); - _vehicle_design_names |= 3; + + if (reset) { + e->name = NULL; + /* if we removed the last custom name, disable the 'Save custom names' button */ + _vehicle_design_names &= ~1; + FOR_ALL_ENGINES(e) { + if (e->name != NULL) { + _vehicle_design_names |= 1; + break; + } + } + } else { + e->name = strdup(_cmd_text); + _vehicle_design_names |= 3; + } + MarkWholeScreenDirty(); } |