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Activation of Trigger Blue 1: Friendly units are crossing Trigger Blue 1 so activates it. As such, the mortar teams are changing their target from Target 1 to Target 2. One last shell however falls on Target 1 giving some good results. Units of group 3 advance and perform area fire on Target 1 when possible i.e. when no other targets are detected. I am launching a small counter attack to divert the units of group 3.

Activation of Trigger Red 1: Starting the scenario, all units are in position and my setup was not changed by the AI since I have not painted any terrain zone in their respective setups of each AI group. The first mortar team is targeting Target 1 as planned. Same for the second mortar team. The Stryker carrier vehicles are not moving as planned. Target 1 begins to receive some shells. I am moving a small team to activate Trigger Red 1 for Blue AI. And immediately the Stryker carrier vehicles begin to move. Target 1 is still fired at by the mortar teams as expected.

Alea jacta est. We need to play test the AI now. We will select the Red side to show what the Blue AI is doing. Be sure to select the "Scenario Author Test" option to see what is going on. To be continued...

Orders for AI group number 2: This group represents the infantry squads that are inside the M1126 Stryker carrier vehicles. Basically, they have quite nothing to do. They have to wait for the Stryker carrier vehicles to be in place i.e. to have executed Order 4 of Group 3. So, the Setup just says to wait from 0 to 20 minutes (I should have put a value higher than the scenario length here) for the Strykers to arrive in position. Once the trigger fires, they can execute their next order that is Order 2. And, Order 2, says to the infantry to disembark with once again the parameter "Passengers Dismount" and to do a "Max Assault". They will have to: Go to the yellow square doing a "Max Assault". Perform an area fire while advancing on Target 2 (squares in red). At the end of the movement, be sure to still face those buildings (the square in green gives the direction to face).

Orders for AI group number 3: This group contains the M1126 Stryker carrier vehicles. I would like them to advance toward Target 1. Thus, I am using the Setup plus 3 Orders. Again the Setup is without terrain zone to keep the existing deployment of my troops. The vehicles will wait 3 minutes before moving except if some enemy units are entering in terrain zone defined by Trigger Red 1. Order 2 contains several things: First, advance to their movement zone (squares in yellow). Second, perform an area fire while advancing on Target 1 (squares in red). At last, at the end of the movement, be sure to face those buildings (the square in green gives the direction to face). As you can see, this order 2 does not contain a trigger. So, after 7 minutes, the units will switch to the next one i.e. order 3. Order 3 gives one minute, between 7 and 8 minutes, for the vehicles to reverse. That will generate a smoke screen that will be usually for my infantry attack. Last order, Order 4, consists of: An advance to the yellow squares. An area fire on those buildings in front of us (squares in red). By security, I am still adding a face order (square in green) to be sure of their orientation at the end. What is important to see here is that I am adding the option "Can Trigger" just under Order 4 in the graphical interface. Doing that, I am generating another form of trigger. This is a trigger that will activate once the current Order 4 is finished. Please also note that I have selected "Passengers Dismount" at the bottom of the graphical interface to tell the infantry this is time to go...

Thank you, will read this one.

Orders for AI group number 4: As seen above, this is the mortar section. As I said, I would like to avoid friendly fire so I will change of target with the advance of our friendly troops. My intent is to leave the Setup with no terrain zone for the unit to deploy. It means that the deployment I gave for those units will be kept untouched by the AI. However, I am ordering an Area fire on Target 1. This is the red squares that you can see in the following screenshot: Here, I am telling the AI to perform an Area fire on Target 1 between 00:00 and 04:00 minutes except if the Trigger Blue 1 is activated. If the Trigger Blue 1 is activated, AI group 4 will trigger the next order after Setup that is Order 2. Anyhow, after 4 minutes, AI group 4 will go to order 2 even if Trigger Blue 1 was not activated. Order 2 is the following: Still no movement as you can see but I am changing the Area fire to Target 2 from 04:00 minutes to 08:00 minutes except if Trigger Blue 2 is activated. I think you understand now that Order 3 will follow either 8 minutes after the beginning of the scenario either when Trigger Blue 2 activates. Last order is Order 3 where I am changing the Area fire to Target 3 for the rest of the scenario.

Would you have a link please?

So that you are not lost with the graphical interface, I will detail exactly what to be done in order to create orders and selecting triggers. Here, I am taking AI group number 1, as an example, but there is absolutely no unit inside. This is just to show you the needed manipulation. In the first screenshot, you can see that there is nothing in the red colored zone. This is the default Setup. To add one order, you need to click on the Add button. You cannot apply a trigger on a Setup. This means you can't trigger reinforcements by a trigger as I understand: Once the Add button has been performed, go back to the Setup order by clicking on Order 2 and selecting Setup: On the bottom, you can now see and click on Wait For button: A pop up appears allowing you to select the trigger you have created (I will explain the Group 3, Order 4 value later): Select Trigger Blue 1, or another for example, then click on OK: You can now play with the + and - buttons to adjust timing of the order. Here the values are Exit Between 00:00 and 01:00 and Wait For = Trigger Blue 1. It means that, if units were in AI group number 1, those units will wait during 1 minute the occurrence of Trigger Blue 1, so waiting friendly units passing over the terrain objective defining Trigger Blue 1. Two cases here: If friendly units are passing over Trigger Blue 1, between 0 minute (start of the scenario) and 1 minute after the beginning of the scenario, the units of AI group 1 will immediately perform the order defined in Order 2. If the trigger is not activated 1 minute after the beginning of the scenario, the units of AI group 1 will perform the order defined in Order 2 anyway. If you want absolutely the trigger to be waited before going to Order 2, set the second timer to a value higher than the scenario length.

They are too numerous, it is not fair play...

I agree with you guys, this is how I see it too. If you look later in the v4.00 manual, you can see the following paragraph linked to triggers (page 109). Exit between Times The first thing to understand is how the “Exit Between” times affect tripping. The first time tells the AI to NEVER start the Order until that time even if the Trigger is tripped. The second time tells the AI to NEVER start the Order later than that time even if the Trigger is not tripped. The time period between the first and second settings is when the Order is paused waiting for the Trigger to be tripped. If you want a Group to always wait for a Trigger to be tripped leave the first timer to 00:00 and set the second timer to something greater than the scenario’s maxi- mum game time. If you want a Group to give up on a Trigger if it isn’t tripped by a particular time (a failsafe) then leave the first timer to 00:00 and set the second timer to the time you have in mind. Sometimes you will want a Group to wait until a specific time even if the Trigger is tripped, in which case you set the first timer to that time. If the Trigger is tripped before then the Group will start executing it’s Order only when the first timer’s time is reached. If it hasn’t been tripped by then the Group will remain idle until either the Trigger is tripped or the second timer’s time is reached (whichever happens first). And, if a trigger is tripped, the TacAI will perform its next order after the SECOND time inside the Exit Between FIRST and SECOND.

SH3 was really great especially in extreme realism mode where you had to do your maths for the torpedo firing solution.

Before continuing I would like to give some few reminders on the AI. The AI is programmed by painting on the map the orders that must be performed by each AI group created. AI is not complicated. You just need to practice. You have four options on the 2D map: Movement zone: You can paint square in yellow by left clicking on each of them. The map area that you will define is the zone where you want your AI group to arrive at the end of a particular order. The TacAI will determine the way to go there so if you want to influence the desire path for reaching an objective, you will need to create several orders. Do not forget that the zone that you will define must be large enough for your units. If your AI group contains four tanks, a movement zone of one square is may be not a good idea because the four tanks will not enter in one single square. You may define discontinuous squares. Again, practice to master this is the way to go. Fire zone: You can ask your units in the AI group to perform an area fire of a given map zone. For that, you need to paint the square of the zone to attack by using Ctrl-left click. This will paint your square in red instead of yellow. Please note that you can perfectly combine a movement zone and a fire zone in one order. This way, you can ask your units to move to a given position to perform an area fire on something, just do not forget the LOS rules apply. There is a second important thing to know. The area fire order has the lowest priority for your AI group so if your units find a good target, they will engage it first. Facing zone: Sometimes, a movement will end up with your units not looking toward the enemy. To mitigate this, you can select one particular square that your units will face at the end of their movement. To select this square, do Alt-left click on it. It will be painted in green. Since this is a single square, I recommend not to select the green square too close of your ending movement zone. Remember all your units will face the same square... Withdraw zone: You can ask your units to retreat. Your units will deploy smoke screens if possible. And, if there are vehicles in your AI group, those vehicles will reverse showing their big front armor. But, this is useful also in attack to create a smoke screen for your units. For this, you need to select one particular square by Shift-left clicking on it. The square will be pink. And the square must be in the direction your units/vehicles must face while reversing. Once the AI menu selected in the editor, you have access to several buttons in the below screenshot: The yellow colored zone, in the screenshot, gives access to all the possible AI plans within a given scenario. There are up to five AI plans per side plus a special Support Targets plan for artillery and air support strikes at the beginning of the scenario. Basically, one AI plan contains the orders for several AI groups. You can perfectly finish a scenario with one unique AI plan. The other plans are here to surprise your human opponent by new sets of AI orders for your AI groups. The orange colored zone, just below (yes yes this is orange), allows to increase the percentage of a given AI plan to be selected. If you have one AI plan, the default value of “Used Frequently” is the one to take. According to the manual: "A Plan with “Used Sometimes” is two times more likely to be chosen than “Used Rarely” while “Used Frequently” is four times more likely to be selected". The pink colored zone gives access to each AI group to give them some orders. Pay attention to select the correct AI plan (Blue or Red) and then the correct AI group to not mix up everything. With a litte practice, this works like a charm. The green colored zone allows to select, within one given AI group, several orders. By default, the first order of an AI group is Setup. You can use the button Add to add more. The subsequent order will be named Order 2, ... The white colored zone permits to select several actions that your units must do (orders, floors to occupy, stances, ...). I invite you to read the manual to understand each possible value. The red colored zone contains two importants values. Exit between 00:00 and 20:00. What does it mean? The units is the number of minutes and seconds since the beginning of the whole scenario. This concept is key to understand how it works. According to the manual: “Exit Between ... and ...” tells the AI Group at what scenario time to leave their current Map Zone and when to arrive at the next Map Zone. The first number tells the Group to stay at the current Map Zone until the specified scenario time is reached. With this setting a Group never moves on to the next Order before the specified time is reached. The second number defines the latest time that an AI Group should arrive at it’s next order, and causes the Group to try very hard to get to the next Order in the plan before the specified scenario time is reached. This does not mean the Group will do it, just that it will try. If it has taken excessive casualties, is immobilized or heavily engaged, it may blow the set time. It will still attempt to execute the next order in the plan, just not within the time that the scenario designer allotted for it." The blue colored zone is the one interesting in this tutorial because, clicking on it, this allows to select the triggers that we have created. Now that this brief summary is done, let's go to the orders for each AI group.

Yes you are completely right. Group one can completely be used. This is just that, since group one is the default when adding new units, I have taken the habit to not use it right away. When play testing my scenario, I am adding new units for scenario balance. These units goes in group one. So, to not screw up my existing AI plans, I am not using the default group right away. But, anybody is free to use group one.

Interesting reads: http://www.smallarmssurvey.org/fileadmin/docs/H-Research_Notes/SAS-Research-Note-18.pdf http://www.smallarmssurvey.org/fileadmin/docs/F-Working-papers/SAS-WP12-After-the-Fall-Libya.pdf http://www.smallarmssurvey.org/fileadmin/docs/G-Issue-briefs/SAS-SANA-IB2-Missing-Missiles.pdf http://www.smallarmssurveysudan.org/fileadmin/docs/working-papers/SAS-CAR-WP43-Chad-Sudan-Libya.pdf http://www.smallarmssurvey.org/fileadmin/docs/T-Briefing-Papers/SAS-SANA-BP-Tripoli-armed-groups.pdf

Thanks guys!

MINUTE 29 My Sherman is back online. While my halftrack is progressing. But, I have made a mistake asking for a Fast move instead of a Reverse one for having the guns toward the last objective. My tank arrives in position. On my left flank, Germans are counter attacking. But, my halftrack once again saves the day. Before been able to give my orders for next turn, the victory screen appears. Not really a victory... 30 men killed and 20 men wounded mainly due to artillery like in reality. Here are the various stats: The last objective would have been hard to obtain but I think my halftrack and my Sherman would have help me a lot. The final word for @JoMc67. Hope you enjoy this DAR. Next one I hope soon except if you are bored.

This one is impressive but, personally, I am looking forward to a sequel of Sonalysts' Dangerous Waters.

No, as I said, once they dismount, I can see them as Red. Scenario Author mode does not give you "God" view finally... Everything is fine then. I was just a little surprised. I was thinking of an error in my setup. Thanks Ian

At this stage, you need to split your forces into several AI groups. This is at your discretion but you can have a maximum of 16 AI groups per side. For this small amount of forces, and for what I want them to do, I have created three AI groups. AI group number 2 This group will represent the infantry squads that are inside the M1126 Stryker carrier vehicles. This group does not take a lot of action in this scenario. Its main objective is to size the ditch once the M1126 Stryker have created a good smoke screen in front of them. To select the units inside AI group number 2, just select all the infantry squad and press the F2 key. You will see a [A2] tag. This is to say that the units are now in AI group number 2. AI group number 3 This group will represent the M1126 Stryker carrier vehicles. Their objective is to reach waypoint number 1 (see first post) and generate a smoke screen. We can also imagine they can do an area fire on the ditch to suppress any enemy located there. Select all the M1126 Strykers of 3rd platoon and press the F3 key. You will see a [A3] tag. This is to say that the units are now in AI group number 3. AI group number 4 This group represent the mortar team. Their objective is to perform area fire respectively on Target 1, Target 2 and then Target 3. Select all the units of the Mortar Section and press the F4 key. You will see a [A4] tag. This is to say that the units are now in AI group number 4. As you can see, AI groups selection is done based on the mission objectives to be done. You can perfectly assign several units from several formations inside the same AI group. All units are, by default, inside AI group number 1.

The 2D map view is below. First thing to do is to paint terrain objectives that will be used to activate the triggers. You can have up to 15 objectives. Some of them to be used for victory points, ... some will be used for triggers. I am using Terrain Objectives (Blue) since I am acting on the Blue AI. Objective number 1 Objective number 1 will be used for activating a first trigger to change the on map mortar fire from Target 1 to Target 2. Remember, I want to avoid friendly casualties. I am declaring Objective number 1 as AI Trigger (friendly) because it is triggered by friendly forces reaching this terrain location. I am calling it "Trigger Blue 1". Objective number 2 Objective number 2 is basically the same but it will be used to change the on map mortar fire from Target 2 to Target 3. Again, I am declaring Objective number 2 as AI Trigger (friendly) because it is triggered by friendly forces reaching this terrain location. I am calling it "Trigger Blue 2". Objective number 3 I want my 3rd platoon to react to an enemy move. So, to show how it works, I have created Objective number 3. I am declaring Objective number 3 as AI Trigger (enemy) because it is triggered by enemy forces reaching this terrain location. I am calling it "Trigger Red 1". Here is the 3D view in Scenario Author Test mode. The triggers are invisible playing in normal modes.

Following a request of @Badger73, here is a small tutorial for introducing the usage of AI triggers. I am using CMSF2. Since I am beginning with IA, experts are welcome to comment to provide better solutions that the one I will present just after. Here is my small force. They are facing those enemy positions. And thus some few enemy squads. I have removed the RPG-7 on purpose for the tutorial. I would like to teach the AI to do several things. Phase 1: The on map mortar team will perform area fire on the ditch inside Target 1 Meanwhile, the other guys will advance inside their vehicles toward Target 1. But, I would like them to advance reacting to an enemy move. Phase 2: While the vehicules with the squads, still inside them, are progressing to Target 1. I would like the area fire to switch to Target 2 then Target 3 to avoid friendly fire casualties. Once the vehicles are at waypoint 1. I would like them to pop some smoke And, with the smoke screen in place, I would like the squads to dismount to assault the ditch. So how I can do this using the editor and AI triggers? To be continued...

CMSF2 v2.01. Launching a Scenario Author Test as the Blue force to test AI behavior, I can see the squads inside their vehicles. But, doing the exact same Scenario Author Test as the Red force, the squads are invisible. I was thinking of a setup problem. But, no they are just invisible. They will show up when they dismount from their vehicles. Quite disturbing. Is it an intent? What is strange is that the mortar team can be seen inside their vehicles playing Blue or Red.

MINUTE 28 Looks like the last objective is hot. Several enemy moves were spotted. Seems they are retreating. But no, others are fighting hard... I am advancing more squads under fire protection of the others. I am missing a smoke screen here but my halftrack offsets that. The tank crew is finally back. Tank will move but I am worried about those optics. At least, the machine gun works and it does not need optics, right? Progression came to a halt. A panicking guy just found a mine I think. Ouch! This is not over yet clearly. But, I have a little surprise for next turn.

I am anxious to do something good indeed. That is why my first scenario is so long to exit. I have changed my CMSF1 map to include bridge, water. I am playing with AI triggers and play testing the AI plans right now. This is a Red vs Red CMSF2 scenario. But, yes, I would like to do something good and I am anxious about your feedbacks.