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Wanna know wot it is ur exactly making?, then View the video Here

Ok so first off we need to create the land and mortar whole in radiant

So step 1: create a brush thats 500 x 500 units wide



Step2: we now need to turn the brush into terrain, so select the brush and go to Patch/Simple Terrain Patch. And give it a density of 10 x 10, then give it a texture, i used grass



Step3: Now we need to make the terrain a whole, so start of by setting up the terrain editor, Press Y and give it the options on the picture below



Ok now u need to hover ur mouse over the terrain, hold alt and right click on ur terrain, with the buttons heald down move ur mouse a but to make the terrain go down. u dont need the terrain to go down to far because we make the whole deeper on the next setting.

Now u have done that, give ur terrain editor these settings and finishe the whole off.



This is how my whole turned out, it did'nt look as good as i wanted it to, but if u play around with the settings u can make it look really nice.



Step 5: Ok now we have our whole we need to add a realistic looking decal. So start off by copying and pasting ur crater hole. Edit/ Copy , Edit/ Paste

Then once its done u need to add a decal texture, i use:

- Textures/Surface Ttype/Dirt/egypt_roughdirt_crater_night

Now once ur texture is applyed u need to fit it, so press S to bring up the Surface Inspector and press Fit.

It should look somthing like this



Step 6: Now we need to turn the crater into a brushmodel, So press escape to de select any peices of terrain u got selected and then select the craters both peices of terrain.

Now right click and go script/brushmodel

Then all u gotta do now is give them a targetname of botlayer



Step 6: Ok now create some terrain around the outside of ur mortar hole



Step 7: Now u need to cover up the motar hole, so create a peice of terrain and place it over the whole. Then make it a brush model, right click/brushmodel



Now all u gotta do is give it a targetname of toplayer



Step 8: Right click and go Script/ Script origin, then place the origin in the center of ur mortar hole, and give it a targetname of action



Step 9: Now for the trigger, start of by creating a big brush around the outside of ur hole and giving it the trigger texture which is located in textures/tools

Once thats done, with the trigger selected right click and go to Trigger/Once




Then give the trigger a targetname of morttrig



Ok thats it for the mapping, just make sure u have the standard things to run a map: skybox, dm spawn, global intermission

Save ur map and now onto the scripting.

Ok So first off u need a mapname.gsc to call on the script

Place this file in ur maps/mp folder

Put this code in into ur mapname.gsc

main()
{

mapsmpground_mortars::main();
mapsmp\_load::main();

setExpFog(0.0009, 0.30, 0.31, 0.34, 0);

game["allies"] = "american";
game["axis"] = "german";
game["attackers"] = "allies";
game["defenders"] = "axis";
game["american_soldiertype"] = "normandy";
game["german_soldiertype"] = "normandy";

setCvar("r_glowbloomintensity0", ".25");
setCvar("r_glowbloomintensity1", ".25");
setcvar("r_glowskybleedintensity0",".3");



}

Now create a file called ground_mortars.gsc and place it into ur maps/mp folder

Put this code in the ground_mortars.gsc

main()
{

level._effect["mortexplosion"] = loadfx("fx/explosions/artilleryExp_dirt_brown.efx");


thread mortar1();


}

mortar1()
{

action = getent ("action","targetname");
botground = getent ("botlayer","targetname");
topground = getent ("toplayer","targetname");
trigger = getent ("morttrig","targetname");

botground hide();

trigger waittill ("trigger");

origin = action getorigin();

action playsound("incoming_mortar");

wait (1);

action playsound("explosion_ground");

playfx(level._effect["mortexplosion"], origin);

botground show();

topground delete();



}

Now all u gotta do is add a mapname.csv file

Place this file into ur soundaliases folder

Heres the code to place in ur mapname.csv file