![]() ![]() Groups can also be nested (this is experimental as of December 2022 and may change with testing). The property value is the ID of another vehicle in the same GRF which will act as the parent for vehicles in the group. 65535)ġ3 This property supports grouping vehicles in the purchase menu (also the autoreplace menu). Vehicle ID or alternatively the vehicle numeric ID (0. TL DR avoid using this property unless you absolutely understand the effect it will have. different map sizes, vehicle speeds, multi-leg feeder systems, etc. Explaining why requires a detailed understanding of the OpenTTD cargo aging algorithm, and how that works with e.g. Repeated tests have shown that the gameplay effects of this property often do not match the expectations of grf authors. This amount of cargo is loaded to or unloaded from the vehicle every 40 ticks for trains, every 20 ticks for road vehicles and aircraft and every 10 ticks for ships.ġ.2 This property specifies after how many ticks cargo is aged. Default vehicles use 5 for trains and road vehicles, 10 for ships and 20 for aircraft. Example: ġ.2 A list of cargo types to disallow refitting to, irrespective of cargo classes. Use cargo_allow_refit (see below) instead.Īrray of cargo labels from the cargotableġ.2 A list of cargo types to allow refitting to, irrespective of cargo classes. 0 means reliability never decreases if the vehicle is not too oldįor example: bitmask(CC_BULK, CC_COVERED)įor example: bitmask(CC_OVERSIZED, CC_SPECIAL)īit mask of entries into the cargo translation tableĪs of NML 0.3, do not use this. The higher the value the faster reliability decays, the more frequent service is needed. ![]() Life length of an individual vehicle, before it is considered too old and in need of replacement.ĭefault vehicles use 20. Retire the vehicle (make it unavailable in the purchase menu) this many years before reliability starts dropping, see below. Number of years a model is "supported" by the manufacturer, see below. Unless the engine is introduced within two years after game-start (always 1920 in TTDPatch), a random number of days between 0 and 511 will be added to this.Ġ. In TTDPatch, dates after 2044 will be limited to 2044. To make a vehicle available in all climates except toyland you could use: ALL_CLIMATES & ~bitmask(CLIMATE_TOYLAND). for articulated parts) ALL_CLIMATES Vehicle is available irrespective of climate Properties common to all vehicle types propertyįor example string(STR_NAME_HEREFORD_TRAM)ĬLIMATE_TEMPERATE CLIMATE_ARCTIC CLIMATE_TROPICAL CLIMATE_TOYLAND NO_CLIMATE Vehicle is availble in no climate (e.g. 7.2 Composing vehicles from multiple sprites.1 Properties common to all vehicle types.If the track NewGRF is just replacing graphics, not defining new railtypes, it can lead to issues very easily.īut generally it's pretty hard to make a "really broken" setup. Extra care is necessary when replacing bridges and roads, to have a bridge set which is actually compatible. Add DB set to it because red trains fit it as well. One thing I really like to get right are graphical replacements to fit together properly, for example bigger brick depots and brick foundations both have similar brick-ish colour, looks nice when combined together. Many people won't appreciate all the "you can attach this to that, not to something else" rules. NUTS trains are trying to work great from pre-1900 until forever, with train choices for all the time but it's complex to get into. Other than that, as long as the train set / other vehicles support industries properly, it's kind of hard to say which thing is better than another. Or a set which has problems in early game, and combine it with a train set which lacks trains in late game. For example if one train set is missing passenger transportation, you want to add another set which is good with passengers but lacks cargo. Overall, you just need to know what each NewGRF does. Most of the hints still apply, or definitely still the general idea of it. There is a lot of things that you can do, I wrote a lengthy thing about it a few years ago. ![]()
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