1) Units can enter Civ Borders without Open Borders
2) AIs and Humans can expel other Civ’s units
* New Diplomatic Option (We would like to talk about other things -> We wish to expel your units)
* AI/Human face choice: Leave borders or declare war
* New Unit Tag: AIExpelWeight – determines how likely the AI is to expel a Civ from its borders
3) Redefined Diplomatic Option: Open Borders
* Allows units to use its rails and roads
4) New War AI (WARPLAN_TEMPTATION)
a. New Leader tag: AITemptationWeight –determines likelihood of switching into WARPLAN_TEMPTATION
* If a bordering Civilization has 60% or less of the Civilization’s power, and an RNG roll between 0 and AITemptationWeight is greater than 45, switch into WARPLAN_TEMPTATION
* Move stacks towards border cities
5) New Mechanic: Occupation
* If unit(s) is/are moved onto tile and is/are fortified for more than 5 turns, calculate PowerProjection value for that tile
* Based on distance to city and number of units within a set radius (say, 3 tiles), PowerProjection value for tile = (number of units in radius / abs (distance to nearest city – distance to nearest capital))
* If PowerProjection <= total strength of the enemy units, and they’re not expelled before a certain turn limit, that tile becomes the other Civ’s
* This can work on cities as well; however, if the tile is a city, the strength of all cities within a one-two move radius are counted as part of the PowerProjectionValue
* If 50% or more of a Civ’s cities are occupied, the Civ’s leader capitulates