Spawn a dead enemy - GameGuru Forum

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GoodnessCookie

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Posted: 27th May 2014 18:27 Edited at: 28th May 2014 12:28

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Hello everyone!

I want to make a horror game demo, with lot of jumpscares. I have two ideas to do this:

1. Spawn a dead enemy, than clear it away

2. Show a big scary picture for approx. 0.5 sec and than hide it.

My problem is, i'm new to lua scripting and i don't know how to do any of them.

Any ideas?

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smallg

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Posted: 28th May 2014 00:05

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i did try changing the animation frame but it didn't seem to work how i was expecting (maybe because im using the stock character which has hard coded scripts though)

here is a script to place the stock character on his back (currently) for 5 seconds and then he disappears

+ Code Snippet

set = 0

time1 = 0

StartTimer(e)



--change value here to determine how many seconds entity will display for

delay = 5



function deadguy_main(e)



--place body on floor

if set == 0 then

RotateX(e, -90)

set = 1

end



--stop animation from playing

StopAnimation(e)



--update delaytime to match the timer

if time1 == 0 then

time1 = 1

delay = GetTimer(e) + (delay * 1000)

end





--once delay has been reached remove the body

if delay < GetTimer(e) then

Destroy(e)

end



--optional prompt to show time delay

--Prompt("time = " .. GetTimer(e) .. "  Delay = " .. delay)



end

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GoodnessCookie

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Posted: 28th May 2014 14:55

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Thank you, it's working. Noew I have another question.

How do I spawn an entity from a trigger zone? I tried the way wich was working in FPS Creator Classic (right click on entity, spawn after delay) but it doesn't work. I tried to write a script:

if g_Entity[e]['plrinzone']==1 then

PlaySound(e,0);

Spawn(e);

SwitchScript(e,"jumpscare.lua");

Destroy(e);

end

end

I know what's the problem. The "e" variable is not right for me, but i am not perfect in lua. Any ideas?

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Posted: 28th May 2014 17:35 Edited at: 28th May 2014 18:12

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i would base it on distance to the entity so the code will be like this

+ Code Snippet

set = 0

time1 = 0

StartTimer(e)

--change value here to determine how many seconds entity will display for

delay = 1





function deadguy_main(e)



PlayerDX = g_Entity[e]['x'] - g_PlayerPosX;  PlayerDY = g_Entity[e]['y'] - g_PlayerPosY; PlayerDZ = g_Entity[e]['z'] - g_PlayerPosZ;

PlayerDist = math.sqrt(math.abs(PlayerDX*PlayerDX)+math.abs(PlayerDY*PlayerDY)+math.abs(PlayerDZ*PlayerDZ));

if PlayerDist < 200 then

Show(e)



--place body on floor

if set == 0 then

RotateX(e, -90)

set = 1

end



--stop animation from playing

StopAnimation(e)



--update delaytime to match the timer

if time1 == 0 then

time1 = 1

delay = GetTimer(e) + (delay * 1000)

end





--once delay has been reached remove the body

if delay < GetTimer(e) then

Hide(e)

Destroy(e)

end



else

Hide(e)

end



--optional prompt to show time delay

--Prompt("time = " .. GetTimer(e) .. "  Delay = " .. delay)



end

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Dralel

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Posted: 1st Jun 2014 21:00

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I'm having a bit of trouble spawning a non-spawned enemy via the Spawn(e) LUA command.

GPU: GTX 660, CPU: i7 3770 Intel 3.40ghz x4, PSU: 650 Watt, RAM: 8GB DDR3, OS: Win7 Ultimate 64-bit

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Posted: 1st Jun 2014 23:10

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Quote: "I'm having a bit of trouble spawning a non-spawned enemy via the Spawn(e) LUA command. "

+ Code Snippet

function spawn_main(e)
PlayerDX = g_Entity[e]['x'] - g_PlayerPosX;  PlayerDY = g_Entity[e]['y'] - g_PlayerPosY; PlayerDZ = g_Entity[e]['z'] - g_PlayerPosZ;
PlayerDist = math.sqrt(math.abs(PlayerDX*PlayerDX)+math.abs(PlayerDY*PlayerDY)+math.abs(PlayerDZ*PlayerDZ));
if PlayerDist < 160 then
Spawn(e)
end
end

will spawn the entity as soon as you get near it's location

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Dralel

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Posted: 2nd Jun 2014 00:52

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Thanks alot, it worked! Is there a way to spawn an entity if a player steps into a storyzone now?

GPU: GTX 660, CPU: i7 3770 Intel 3.40ghz x4, PSU: 650 Watt, RAM: 8GB DDR3, OS: Win7 Ultimate 64-bit

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Posted: 2nd Jun 2014 01:35

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spawnzone.lua

+ Code Snippet

--entity number of object you want to spawn
local entity = 12
--dont forget to set to not spawn at start in entity properties

function spawnzone_main(e)
 if g_Entity[e]['plrinzone']==1 then
   Spawn(entity)
 end
end

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Posted: 2nd Jun 2014 01:58

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Hmm that doesn't appear to be working, how do I find the local entity's number?

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Posted: 2nd Jun 2014 03:32 Edited at: 2nd Jun 2014 03:33

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http://fpscrforum.thegamecreators.com/?m=forum_view&t=207801&b=2&msg=2488873#m2488873

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Dralel

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Posted: 2nd Jun 2014 03:48

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Thanks, the prompte script was working and the entity number was 74. But I still can't get the entity to spawn when I enter the story zone, it simply does not appear no matter what I do.

GPU: GTX 660, CPU: i7 3770 Intel 3.40ghz x4, PSU: 650 Watt, RAM: 8GB DDR3, OS: Win7 Ultimate 64-bit

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Posted: 2nd Jun 2014 12:20

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did you set my script to the storyzone main?

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Dralel

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Posted: 2nd Jun 2014 14:46

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I'm not sure what you mean, I added your script to plrinzone.lua, and then tried it using its own file, none of them work still.

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Posted: 2nd Jun 2014 15:10

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works fine for me, you may need to remove the entity and try setting the "spawn at start" to no before you apply the script - it does seem a little buggy sometimes.

once you have set the entity number of the object you want to spawn, set the object to "spawn at start = no" then apply the spawnzone.lua to the zone marker (to the script field inside the right click menu)
picture for layout

video

p.s. any1 else noticed that the code snippets stopped opening?

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Posted: 2nd Jun 2014 15:21

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Thanks, but it still doesn't work at all... I followed your instructions and did the following:
1. placed new entity, set spawn at start = 0, checked its number with prompte.lua (it is 74)
2. placed trigger zone a bit further away and inserted the script that should spawn the entity

But when I enter the zone he doesn't spawn, the weird thing is spawning the entity from player distance away works fine.

GPU: GTX 660, CPU: i7 3770 Intel 3.40ghz x4, PSU: 650 Watt, RAM: 8GB DDR3, OS: Win7 Ultimate 64-bit

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Posted: 2nd Jun 2014 15:33

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Yes on the codecsnippets but add lang=lua before the ] on the first code block thing and it works. So wit () instead of [] it is (code lang=lua) and (/code)

PC Specs: Windows 7 home 64-bit, Amd 7900 3gb DDR5 graphics, 8gb DDR3 Ram, Intel i7 3.4ghz

Feel free to visit and edit the public FPSCR resource wiki page: http://fpscrresource.wikispaces.com/home

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Posted: 2nd Jun 2014 16:35

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so i need to change all my snippets? think i'll wait a while and see if it gets updated again

@Dralel as you can see in the video it works fine, you have missed something (it'll work even if the entity isnt inside the zone - makes no difference)

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Posted: 2nd Jun 2014 16:49

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Then there must be a bug in the game engine, I've done every step precisely and fiddled around with the script, entities and trigger zones to make this work and it just won't no matter what I do.

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Posted: 2nd Jun 2014 17:56

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what does happen when you run it?
the entity stays "hidden"?

did you try on a new map just to test as well?

was the entity that did spawn from the distance check the same entity that you are using for this zone script?

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Posted: 2nd Jun 2014 18:11 Edited at: 2nd Jun 2014 19:13

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EDIT: Silly, silly silly me! I got it working. In my code, I had to change "Spawn(e)" to "Spawn(entity)", and it works!

I'm still a little baffled that I can spawn an entity via distance using Spawn(e), though.

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Posted: 2nd Jun 2014 19:34

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(e) relates to the entity number that the script is being run on (in this case it would have been the zonemarker itself where as before it would have been the actual entity you wanted to spawn)

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Posted: 4th Jun 2014 16:11 Edited at: 4th Jun 2014 16:12

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So with this script we would need a new script for each entity correct? Because if I duplicate the script for a duplicated character they all show and disappear at the same time no matter the distance.

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Posted: 4th Jun 2014 16:50

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At the moment yeah, one script per entity. Hopefully there's some built-in option in the game engine that refers to a global script per entity.

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Posted: 4th Jun 2014 17:49

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Don't want to advertise myself, but instead of hardcoding entity's E, you could find entity you want to spawn that is nearest to the player and use it's E, because in most cases you'd want to work with nearest entity. Check out this: http://fpscrforum.thegamecreators.com/?m=forum_view&t=208181&b=2&msg=2489072#m2489072

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Posted: 12th Jun 2014 22:29

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I'm trying to use your codes, smallg. But I'm having some problems because I'm brand new to codes. I just opened a notepad in scriptbank. Copied your codes into it. Then I named the notepad file with the same name with code's function. After I added .lua. In FPSCR, I dragged a character. Set "spawn after delay=yes" and "spawn at start=no". Then I dragged a trigger. Change "main=with your code's name" and "If used=character's name". But when I start it gives an LUA ERROR. Please help me. Could you write what should I do step by step? Thanks in advance.

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Posted: 12th Jun 2014 22:56

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if you let me know what you are trying to do then i can help you more, these scripts probably wont work with the new version of reloaded and stock characters cant be hidden unless you remove the standard AI script.

save the following as spawn.lua and then place a start marker and an enemy character a bit infront, set the enemy to "spawn at start = no" and set the "main" script field to this spawn.lua and run - the enemy should only appear once u reach his location (note he will not do anything once he appears).

+ Code Snippet

function spawn_init(e)
end
function spawn_main(e)
PlayerDX = g_Entity[e]['x'] - g_PlayerPosX;  PlayerDY = g_Entity[e]['y'] - g_PlayerPosY; PlayerDZ = g_Entity[e]['z'] - g_PlayerPosZ;
PlayerDist = math.sqrt(math.abs(PlayerDX*PlayerDX)+math.abs(PlayerDY*PlayerDY)+math.abs(PlayerDZ*PlayerDZ));
if PlayerDist < 160 then
Spawn(e)
end
end

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Posted: 12th Jun 2014 23:13

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I think you can combine this with SwitchScript function to make it fight once spawned.

So, it would look like this:

+ Code Snippet

function spawn_main(e)
  PlayerDX = g_Entity[e]['x'] - g_PlayerPosX;  PlayerDY = g_Entity[e]['y'] - g_PlayerPosY; PlayerDZ = g_Entity[e]['z'] - g_PlayerPosZ;
  PlayerDist = math.sqrt(math.abs(PlayerDX*PlayerDX)+math.abs(PlayerDY*PlayerDY)+math.abs(PlayerDZ*PlayerDZ));
  if PlayerDist < 160 then
    Spawn(e)
    SwitchScript(e, "ai_cover")
  end
end

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smallg

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Posted: 13th Jun 2014 12:40

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Avram wrote: "I think you can combine this with SwitchScript function to make it fight once spawned."

good thinking

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Posted: 13th Jun 2014 14:49

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Thanks for your replies. When tried both of them it said "No function called ai_cover_main".

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Posted: 13th Jun 2014 15:18

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I just opened a forum message for what I need. If you have time to look, I'll be so happy.

http://fpscrforum.thegamecreators.com/?m=forum_view&t=208988&b=2

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Posted: 13th Jun 2014 15:48

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Check if you have ai_cover.lua file in folder Files\scriptbank\? You can use any ai_*.lua script. I don't have Reloaded installed here so I don't know the exact names, and I can't test it, but it should work. Use some ai_ script that is already assigned to another enemy character.

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Posted: 13th Jun 2014 19:47

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I have ai_cover.lua in Files\scriptbank. :/

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Posted: 13th Jun 2014 22:28

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Is ai_cover.lua assigned to another entity? If not, try something like this:

+ Code Snippet

function spawn_init(e)
  Include("ai_cover.lua")
end

function spawn_main(e)
  PlayerDX = g_Entity[e]['x'] - g_PlayerPosX;  PlayerDY = g_Entity[e]['y'] - g_PlayerPosY; PlayerDZ = g_Entity[e]['z'] - g_PlayerPosZ;
  PlayerDist = math.sqrt(math.abs(PlayerDX*PlayerDX)+math.abs(PlayerDY*PlayerDY)+math.abs(PlayerDZ*PlayerDZ));
  if PlayerDist < 160 then
    Spawn(e)
    SwitchScript(e, "ai_cover")
  end
end

Note that this thread includes file extension for "Include" function and not for "SwitchScript" function. I'm not sure if it's correct so you can play a bit (try to remove .lua extension in "include" or try to add it to "SwitchScript" function call)

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Scripts / Spawn a dead enemy