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How to: Set buildings on fire

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Sarantini
5 Feb 2014, 22:14 PM
#1
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Are you creating a destroyed city but want other effects than markers and craters? This guide will help you with setting a building on fire at the start of the game.

Select the building you want to set on fire. You can add some destruction in it but the less hp the faster it will be completely burned down. Smaller buildings will also burn down faster than big buildings.

Press CTRL-G and add a name. I'm following Relics name system by naming it eg_xx because it is an entity group

Save your map but don't export it yet. Go to the folder of your map and open "<yourmap>_id.scar"
Add this under the entity groups:
Code
eg_burninghouse1 = EGroup_CreateIfNotFound("eg_burninghouse1")
	Entity_SetOnFire(EGroup_GetSpawnedEntityAt(eg_burninghouse1, 1))

You will have to do this every time between saving your map and exporting since world builder overwrites this every time you save.

Export your map and start the game!
End result:



EDIT:
I forgot to add you can also make the buildings invulernable so they will always keep burning at 100% hp.
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Srinidhalaya
6 Feb 2014, 13:23 PM
#2
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Posts: 357

Great job!
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CookiezNcreem
4 Mar 2014, 18:46 PM
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interesting,how would you do this for multiple buildings
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Janne252
4 Mar 2014, 18:48 PM
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Code

eg_burninghouses = EGroup_CreateIfNotFound("eg_burninghouses")
  EGroup_ForEach(eg_burninghouses, 
    function(egid, idx, entity)
      Entity_SetOnFire(entity)
    end)
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CookiezNcreem
4 Mar 2014, 18:57 PM
#5
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wow that was quick. lol. would you by any chance know how to make planes fly and perform certain orders using this same method(SCAR) or no?
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Janne252
4 Mar 2014, 19:06 PM
#6
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I would do that by spawning a commander ability to the map.
For example ABILITY.GERMAN.STUKA_AERIAL_SUPERIORITY_RECON
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CookiezNcreem
6 Mar 2014, 01:03 AM
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jump backJump back to quoted post4 Mar 2014, 19:06 PMJanne252
I would do that by spawning a commander ability to the map.
For example ABILITY.GERMAN.STUKA_AERIAL_SUPERIORITY_RECON



Do you have a list of these commands somewhere?(including the Invulernability command?)


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Janne252
6 Mar 2014, 07:07 AM
#8
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For functions please see this: http://www.europeinruins.com/ScarDoc/ (for example EGroup_SetInvulernable)

And for extracting COH2 Archives for taking a look at existing files:
http://www.coh2.org/topic/14845/world-builder--only-infantry-scripting/post/129053

I think the most important file is luaconstauto.scar in AttribArchive/scar. It contains a list of all available squads, entities, abilities, and more listed.
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CookiezNcreem
6 Mar 2014, 19:41 PM
#9
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So i could for example spawn an IL2 or stuka on the map,follow similar steps to setting a building on fire except use the Cmd_Attack or the EGroup_SetAutoTargetting command to make the plane loiter and attack things?
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Von_Smedman
19 Nov 2019, 08:49 AM
#10
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Posts: 108

jump backJump back to quoted post4 Mar 2014, 18:48 PMJanne252
Code

eg_burninghouses = EGroup_CreateIfNotFound("eg_burninghouses")
  EGroup_ForEach(eg_burninghouses, 
    function(egid, idx, entity)
      Entity_SetOnFire(entity)
    end)


Thanks Jane, I have tryed this, but no luck, what am I missing in this script?

I have 18 houses that I what to set on fire from the beginning of the game.....in order to create a atmosphere of a beach landing in Dieppe.

At player 1-2-3`s starting position where the 18 burning building are located.

The map is this

Port of Dieppe

The scrip is this: - I know that in coding just a comma missing will have a influent on if the script will work or not.
---------------------------------------------------------------------------------------------------
function OnInitID()

-- [[ Markers ]]

-- [[ Squad Groups ]]

-- [[ Entity Groups ]]
eg_burninghouse1 = EGroup_CreateIfNotFound("eg_burninghouse1")
eg_burninghouse10 = EGroup_CreateIfNotFound("eg_burninghouse10")
eg_burninghouse11 = EGroup_CreateIfNotFound("eg_burninghouse11")
eg_burninghouse12 = EGroup_CreateIfNotFound("eg_burninghouse12")
eg_burninghouse13 = EGroup_CreateIfNotFound("eg_burninghouse13")
eg_burninghouse14 = EGroup_CreateIfNotFound("eg_burninghouse14")
eg_burninghouse15 = EGroup_CreateIfNotFound("eg_burninghouse15")
eg_burninghouse16 = EGroup_CreateIfNotFound("eg_burninghouse16")
eg_burninghouse17 = EGroup_CreateIfNotFound("eg_burninghouse17")
eg_burninghouse18 = EGroup_CreateIfNotFound("eg_burninghouse18")
eg_burninghouse19 = EGroup_CreateIfNotFound("eg_burninghouse19")
eg_burninghouse2 = EGroup_CreateIfNotFound("eg_burninghouse2")
eg_burninghouse3 = EGroup_CreateIfNotFound("eg_burninghouse3")
eg_burninghouse4 = EGroup_CreateIfNotFound("eg_burninghouse4")
eg_burninghouse5 = EGroup_CreateIfNotFound("eg_burninghouse5")
eg_burninghouse6 = EGroup_CreateIfNotFound("eg_burninghouse6")
eg_burninghouse7 = EGroup_CreateIfNotFound("eg_burninghouse7")
eg_burninghouse8 = EGroup_CreateIfNotFound("eg_burninghouse8")
eg_burninghouse9 = EGroup_CreateIfNotFound("eg_burninghouse9")
German_truck_with_full_load_of_bombs = EGroup_CreateIfNotFound("German_truck_with_full_load_of_bombs")
German_truck_with_metal_barrels = EGroup_CreateIfNotFound("German_truck_with_metal_barrels")
German_truck_with_some_bombs = EGroup_CreateIfNotFound("German_truck_with_some_bombs")
German_truck_with_wood_barrels = EGroup_CreateIfNotFound("German_truck_with_wood_barrels")
Train_cargo_car_with_full_load_of_bombs = EGroup_CreateIfNotFound("Train_cargo_car_with_full_load_of_bombs")
Train_cargo_car_with_half_full_load_of_bombs = EGroup_CreateIfNotFound("Train_cargo_car_with_half_full_load_of_bombs")
Train_cargo_car_with_some_bombs = EGroup_CreateIfNotFound("Train_cargo_car_with_some_bombs")

eg_burninghouses = EGroup_CreateIfNotFound("eg_burninghouses")
EGroup_ForEach(eg_burninghouses,
function(egid, idx, entity)
Entity_SetOnFire(entity)
end)

end
Drove to the river and went across on the pontoon bridge, stopping in the middle to take a piss in the Rhine, and then pick up some dirt on the far side, in emulation of William the Conqueror.

From the Diary of George S. Patton, March 24th, 1945:
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Janne252
19 Nov 2019, 10:25 AM
#11
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Posts: 3421 | Subs: 11

jump backJump back to quoted post19 Nov 2019, 08:49 AMVon_Smedman


Thanks Jane, I have tryed this, but no luck, what am I missing in this script?

I have 18 houses that I what to set on fire from the beginning of the game.....in order to create a atmosphere of a beach landing in Dieppe.

At player 1-2-3`s starting position where the 18 burning building are located.

The map is this

Port of Dieppe

The scrip is this: - I know that in coding just a comma missing will have a influent on if the script will work or not.
---------------------------------------------------------------------------------------------------
function OnInitID()

-- [[ Markers ]]

-- [[ Squad Groups ]]

-- [[ Entity Groups ]]
eg_burninghouse1 = EGroup_CreateIfNotFound("eg_burninghouse1")
eg_burninghouse10 = EGroup_CreateIfNotFound("eg_burninghouse10")
eg_burninghouse11 = EGroup_CreateIfNotFound("eg_burninghouse11")
eg_burninghouse12 = EGroup_CreateIfNotFound("eg_burninghouse12")
eg_burninghouse13 = EGroup_CreateIfNotFound("eg_burninghouse13")
eg_burninghouse14 = EGroup_CreateIfNotFound("eg_burninghouse14")
eg_burninghouse15 = EGroup_CreateIfNotFound("eg_burninghouse15")
eg_burninghouse16 = EGroup_CreateIfNotFound("eg_burninghouse16")
eg_burninghouse17 = EGroup_CreateIfNotFound("eg_burninghouse17")
eg_burninghouse18 = EGroup_CreateIfNotFound("eg_burninghouse18")
eg_burninghouse19 = EGroup_CreateIfNotFound("eg_burninghouse19")
eg_burninghouse2 = EGroup_CreateIfNotFound("eg_burninghouse2")
eg_burninghouse3 = EGroup_CreateIfNotFound("eg_burninghouse3")
eg_burninghouse4 = EGroup_CreateIfNotFound("eg_burninghouse4")
eg_burninghouse5 = EGroup_CreateIfNotFound("eg_burninghouse5")
eg_burninghouse6 = EGroup_CreateIfNotFound("eg_burninghouse6")
eg_burninghouse7 = EGroup_CreateIfNotFound("eg_burninghouse7")
eg_burninghouse8 = EGroup_CreateIfNotFound("eg_burninghouse8")
eg_burninghouse9 = EGroup_CreateIfNotFound("eg_burninghouse9")
German_truck_with_full_load_of_bombs = EGroup_CreateIfNotFound("German_truck_with_full_load_of_bombs")
German_truck_with_metal_barrels = EGroup_CreateIfNotFound("German_truck_with_metal_barrels")
German_truck_with_some_bombs = EGroup_CreateIfNotFound("German_truck_with_some_bombs")
German_truck_with_wood_barrels = EGroup_CreateIfNotFound("German_truck_with_wood_barrels")
Train_cargo_car_with_full_load_of_bombs = EGroup_CreateIfNotFound("Train_cargo_car_with_full_load_of_bombs")
Train_cargo_car_with_half_full_load_of_bombs = EGroup_CreateIfNotFound("Train_cargo_car_with_half_full_load_of_bombs")
Train_cargo_car_with_some_bombs = EGroup_CreateIfNotFound("Train_cargo_car_with_some_bombs")

eg_burninghouses = EGroup_CreateIfNotFound("eg_burninghouses")
EGroup_ForEach(eg_burninghouses,
function(egid, idx, entity)
Entity_SetOnFire(entity)
end)

end


You've added the buildings to individual egroups. Instead add ALL the buildings you want to set on fire to a single egroup: eg_burninghouses (as referenced in the code snippet).
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Von_Smedman
19 Nov 2019, 13:59 PM
#12
avatar of Von_Smedman

Posts: 108

Thank you!

It worked.

I selected all the building in question and the hit ctrl+g and gave them, the name eg_burninghouses.

Cheers.

p.s the code.

function OnInitID()

-- [[ Markers ]]

-- [[ Squad Groups ]]

-- [[ Entity Groups ]]
eg_burninghouses = EGroup_CreateIfNotFound("eg_burninghouses")
German_truck_with_full_load_of_bombs = EGroup_CreateIfNotFound("German_truck_with_full_load_of_bombs")
German_truck_with_metal_barrels = EGroup_CreateIfNotFound("German_truck_with_metal_barrels")
German_truck_with_some_bombs = EGroup_CreateIfNotFound("German_truck_with_some_bombs")
German_truck_with_wood_barrels = EGroup_CreateIfNotFound("German_truck_with_wood_barrels")
Train_cargo_car_with_full_load_of_bombs = EGroup_CreateIfNotFound("Train_cargo_car_with_full_load_of_bombs")
Train_cargo_car_with_half_full_load_of_bombs = EGroup_CreateIfNotFound("Train_cargo_car_with_half_full_load_of_bombs")
Train_cargo_car_with_some_bombs = EGroup_CreateIfNotFound("Train_cargo_car_with_some_bombs")

eg_burninghouses = EGroup_CreateIfNotFound("eg_burninghouses")
EGroup_ForEach(eg_burninghouses,
function(egid, idx, entity)
Entity_SetOnFire(entity)
end)

end
Drove to the river and went across on the pontoon bridge, stopping in the middle to take a piss in the Rhine, and then pick up some dirt on the far side, in emulation of William the Conqueror.

From the Diary of George S. Patton, March 24th, 1945:
Reply Reply Multi Quote Reply Reply
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