Trigger event

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= Call event basics =
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{{TOCRIGHT}}
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Trigger event (verb '''''to trigger''''') is most useful event. It allows interaction between game objects.
  
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Call event is most useful event.
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Many entities can trigger other entities, or be triggered. For example you could open and close a door with a button, so here the button triggers the door. Not only buttons can trigger things, for example enemy could trigger a door when dies.
  
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It happens when trigger get touched, on monster dies, each object can have it's own behavior and launch call event under it's own circumstances.
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In Blood Omnicide, trigger event can have custom instructions which is used to control the way entities react to the event.  
  
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But structure of event is same all the time.
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===Event input===
  
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'''Call event input:'''
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* self - entity trigger event is being processed on
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* activator - who lets event go (usually player)
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* parameters - instructions for trigger event, fetched from "targetparm" field of self.
  
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* self - entity call is being processed on
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===Event rules===
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* activator - who lets event go (usually player or monster)
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* parameters - instructions for call event, fetched from "targetparm" field of self.
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'''Call parameters rules:'''
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* Instructions are case insensative
 
* Instructions are case insensative
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* Instruction keywords are separated by space and TAB (except for braces)
 
* ';' is the separator between instructions
 
* ';' is the separator between instructions
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* If call parameters instructions string not begins with "SELECT ", "SELECT TARGETS;" is automatically added
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* If trigger instructions not begin with "SELECT ", scripts automatically executes "SELECT TARGETS" at beginning.
 
* Empty instructions defaults to "SELECT TARGETS;CALL"
 
* Empty instructions defaults to "SELECT TARGETS;CALL"
  
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= Instructions =
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==Instructions==
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=== SELECT/ADD ===
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Starts (select) and expands (add) selection of [[Entity | entities]], which will be called.
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* SELECT TARGETS - select entity to which i'm targeted
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* SELECT TARGETERS - select entities which are targeted to me
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* SELECT BYID ''<id1> <id2> <id3> ... <idX>'' - select entities by their save id's
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* SELECT BYTARGETNAME ''<targetname1> <targetname2> ... <targetnameX>'' - select entities by their save id's
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=== INFOPORTION <OPERATOR> ===
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'''SELECT/ADD'''
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:Starts (select) or expands (add) selection of [[Entity | entities]].
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:* SELECT TARGETS - select entity to which i'm targeted
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:* SELECT TARGETERS - select entities which are targeted to me
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:* SELECT BYID ''<id1> <id2> <id3> ... <idX>'' - select entities by their save id's
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:* SELECT BYTARGETNAME ''<targetname1> <targetname2> ... <targetnameX>'' - select entities by their targetnames
  
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Manipulate [[Infoportion | infoportions]] on activator.
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'''INFOPORTION ''OPERATOR'''''
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:Manipulate [[Infoportions | infoportions]] on activator:
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:* '''INFO SET''' ''infoportion'' - add/update infoportion
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:* '''INFO DEL''' ''infoportion'' - delete infoportion
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:* '''INFO INC''' ''infoportion'' ''increase_by'' - increase infoportion value by 1 or by custom value (of presented)
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:* '''INFO DEC''' ''infoportion'' ''decrease_by'' - increase infoportion value by 1 or by custom value (of presented)
  
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* INFOPORTION SET ''infoportion'' - adds/update infoportion
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'''CALL'''
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* INFOPORTION DEL ''infoportion'' - delete infoportion
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:This triggers all selected entities with their default action.
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* INFOPORTION INC ''infoportion'' ''[increase_by]'' - increase infoportion value by 1 or by custom value (of presented)
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:Can prefix this instruction with <classname:>. In this case trigger event will only be processed on entities with matching class name.
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* INFOPORTION DEC ''infoportion'' ''[decrease_by]'' - increase infoportion value by 1 or by custom value (of presented)
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:Examples:
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::select targets;effect_light:call
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::select byid 145;call
  
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=== CALL / <CUSTOM ACTION> ===
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'''''CUSTOM ACTION'''''
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:One of object's supported custom trigger actions. Classname filter is supported.
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:Examples:
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::select targets;effect_light:on
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::select byid 145;trigger_puzzle:toggle 2 1 3
  
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This calls all selected entities with their default action (call) or custom action supported by it's class.
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'''BREAK or NOCALL'''
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:Immediately exit trigger event.
  
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Can prefix this instruction with <classname:>. In this case call event will only be processed on entities with matching class name.
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==Event keys==
  
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Examples:
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Trigger event have general keys that is used for it.
  
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select targets;effect_light:call
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Sometimes this keys are used by other kind of events too. This special behavior (if presented) is defined in particular class reference.
  
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select byid 145;call
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{{entity fields}}
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|-
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| Target
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| target
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| All entities with matching targetname will be triggered.
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|-
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| Target parameters
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| targetparm
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| When entity is triggered, this is instructions for trigger event (see instructions above);
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|-
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| Targetname
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| targetname
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| Entities with matching target will trigger this entity.
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{{entity fields end}}
  
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=== BREAK or NOCALL ===
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== See also ==
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* [[Pattern script]]
  
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Immediately exit call event.
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{{finished}}

Latest revision as of 04:19, 23 November 2012

Contents

Trigger event (verb to trigger) is most useful event. It allows interaction between game objects.

Many entities can trigger other entities, or be triggered. For example you could open and close a door with a button, so here the button triggers the door. Not only buttons can trigger things, for example enemy could trigger a door when dies.

In Blood Omnicide, trigger event can have custom instructions which is used to control the way entities react to the event.

[edit] Event input

  • self - entity trigger event is being processed on
  • activator - who lets event go (usually player)
  • parameters - instructions for trigger event, fetched from "targetparm" field of self.

[edit] Event rules

  • Instructions are case insensative
  • Instruction keywords are separated by space and TAB (except for braces)
  • ';' is the separator between instructions
  • If trigger instructions not begin with "SELECT ", scripts automatically executes "SELECT TARGETS" at beginning.
  • Empty instructions defaults to "SELECT TARGETS;CALL"

[edit] Instructions

SELECT/ADD

Starts (select) or expands (add) selection of entities.
  • SELECT TARGETS - select entity to which i'm targeted
  • SELECT TARGETERS - select entities which are targeted to me
  • SELECT BYID <id1> <id2> <id3> ... <idX> - select entities by their save id's
  • SELECT BYTARGETNAME <targetname1> <targetname2> ... <targetnameX> - select entities by their targetnames

INFOPORTION OPERATOR

Manipulate infoportions on activator:
  • INFO SET infoportion - add/update infoportion
  • INFO DEL infoportion - delete infoportion
  • INFO INC infoportion increase_by - increase infoportion value by 1 or by custom value (of presented)
  • INFO DEC infoportion decrease_by - increase infoportion value by 1 or by custom value (of presented)

CALL

This triggers all selected entities with their default action.
Can prefix this instruction with <classname:>. In this case trigger event will only be processed on entities with matching class name.
Examples:
select targets;effect_light:call
select byid 145;call

CUSTOM ACTION

One of object's supported custom trigger actions. Classname filter is supported.
Examples:
select targets;effect_light:on
select byid 145;trigger_puzzle:toggle 2 1 3

BREAK or NOCALL

Immediately exit trigger event.

[edit] Event keys

Trigger event have general keys that is used for it.

Sometimes this keys are used by other kind of events too. This special behavior (if presented) is defined in particular class reference.

Key Description Default value
Target target All entities with matching targetname will be triggered.
Target parameters targetparm When entity is triggered, this is instructions for trigger event (see instructions above);
Targetname targetname Entities with matching target will trigger this entity.

[edit] See also

Retrieved from "http://omnicide.razorwind.ru/wiki/index.php?title=Trigger_event&oldid=2902"
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