Terrain auto transitions: save/load transition generated info, instead of generated terrainId
Terrain auto transitions: save/load transition generated info, instead of generated terrainId

We could add more masks and terKinds in future, so we can't stick with generated terrainId,
but need to save/load its generation parameters (terKind/mask types etc)
reyandme/kam_remake,reyandme/kam_remake,thibmo/kam_remake,thibmo/kam_remake,thibmo/kam_remake,reyandme/kam_remake,reyandme/kam_remake,thibmo/kam_remake,thibmo/kam_remake,reyandme/kam_remake