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Sorry.. I don't understand.
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Now its along time since I last did HW. But if I remember and interpret the recent statements of players correctly, it can be an issue that batteries in 3D view sometimes are displayed as if they were firing, although they do not shoot in real (moteur interieur). This means, there is no ammo consumption nor any effect on a potencial target. This mostly happens at a very high distance. So I would rather conclude that there is no engagement due of out of range or negative line of site parametres. So there might be a dissent between the two engines in terms of this matter.
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I have to add a new order. In this case, the players have the total control on the unit but AI continues to check the unit security
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Yes, we had large discussions about unit security and protection regarding arty batteries. So thats a very vital criteria and should always keep a high priority.
But we have to differ between a limited or temporary on the one hand, and a final withdrawal of units off the field on the other hand (here: batteries). With the latest discussion only the latter subject was meant. A limited withdrawal due a potencial hostile threat, of course shall not be affected, because an exessive loss of nonreactive or unprotected batteries cant be considered neither realistic nor acceptable.
Nevertheless, a battery with any kind of ammo left, should never be withdrawn off the field by the AI.
Thank you for your attentiveness!