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binoal
Joined: 20 Jun 2009
Posts: 123
Location: My Own Little World
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 Posted: Sun Aug 23, 2009 2:53 pm Post subject: plotscripting issue |
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this isnt a problem i ran into in any particular game, i have been bugged by it several times. How would i get a X Y coordinate for create NPC from hero direction? i want to create the npc directly in front of the character, and the only succesful way i have found is to use multiple if commands. Is there any way to do this in a less bulky fashion?
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msw188
Joined: 02 Jul 2003
Posts: 1041
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| Posted: Sun Aug 23, 2009 5:49 pm Post subject: |
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That's pretty much the only way to do it. You can make the script appear less 'bulky' by using a switch command instead of a bunch of if commands:
| Code: | switch(herodirection(me)),do
begin
case(north),do
(createnpc(55,herox(me),heroy(me)--1))
case(east),do
(createnpc(55,herox(me)+1,heroy(me))
case(south),do
#and so on...
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TMC
On the Verge of Insanity
Joined: 05 Apr 2003
Posts: 3240
Location: Matakana
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| Posted: Mon Aug 24, 2009 4:51 am Post subject: |
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There is a short way. I use these scripts all the time:
| Code: | script, dir X, dir, begin
switch (dir) do (
case (up, down) do (return (0))
case (right) do (return (1))
case (left) do (return (-1))
)
end
script, dir Y, dir, begin
switch (dir) do (
case (left, right) do (return (0))
case (down) do (return (1))
case (up) do (return (-1))
)
end
# return the distance of a point in the specified direction from the origin
script, directional dist, x, y, dir, begin
switch (dir) do (
case (up) do (return (0 -- y))
case (right) do (return (x))
case (down) do (return (y))
case (left) do (return (0 -- x))
)
end |
Using these, you can write this:
| Code: | dir := hero direction(me)
createnpc(55, hero X(me) -- dir X(dir), hero X(me) -- dir Y(dir)) |
Normally you would multiply dirX, dirY by the desired distance; I've implicitly multiplied by -1.
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Moogle1
Scourge of the Seas
Halloween 2006 Creativity Winner
Joined: 15 Jul 2004
Posts: 3377
Location: Seattle, WA
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| Posted: Mon Aug 24, 2009 8:01 am Post subject: |
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| The Mad Cacti wrote: | | There is a short way. I use these scripts all the time: |
Argh, I wish I'd thought of something like that years ago. I can't tell you how many if-statements I have dedicated to handling four directional cases.
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Bob the Hamster
OHRRPGCE Developer
Joined: 22 Feb 2003
Posts: 2526
Location: Hamster Republic (Southern California Enclave)
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| Posted: Mon Aug 24, 2009 10:44 am Post subject: |
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| I used something similar in Baconthulhu. it saved worlds of trouble. |
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Spoon Weaver
Joined: 18 Nov 2008
Posts: 421
Location: @home
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| Posted: Mon Aug 24, 2009 2:07 pm Post subject: |
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| I heart IF statements |
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binoal
Joined: 20 Jun 2009
Posts: 123
Location: My Own Little World
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