Class: Battle::Logic::SwitchHandler

Inherits:
ChangeHandlerBase show all
Includes:
Hooks
Defined in:
scripts/01600 Alpha 25 Battle Engine/00200 Battle_Logic/00001 Handlers/01005 SwitchHandler.rb

Overview

Handler responsive of processing switch events that happens during switch

Instance Attribute Summary

Attributes inherited from ChangeHandlerBase

#logic, #scene

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Hooks

#exec_hooks, #force_return, included, register, remove, remove_without_name

Methods inherited from ChangeHandlerBase

#initialize, #prevent_change, #process_prevention_reason, #reset_prevention_reason

Constructor Details

This class inherits a constructor from Battle::Logic::ChangeHandlerBase

Class Method Details

.register_pre_switch_event_hook(reason) {|handler, who, with| ... }

Register a pre switch event

Parameters:

  • reason (String)

    reason of the pre_switch_event hook

Yield Parameters:



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# File 'scripts/01600 Alpha 25 Battle Engine/00200 Battle_Logic/00001 Handlers/01005 SwitchHandler.rb', line 88

def register_pre_switch_event_hook(reason)
  Hooks.register(SwitchHandler, :pre_switch_event, reason) do |hook_binding|
    yield(
      self,
      hook_binding.local_variable_get(:who),
      hook_binding.local_variable_get(:with)
    )
  end
end

.register_switch_event_hook(reason) {|handler, who, with| ... }

Register a switch event

Parameters:

  • reason (String)

    reason of the switch_event hook

Yield Parameters:



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# File 'scripts/01600 Alpha 25 Battle Engine/00200 Battle_Logic/00001 Handlers/01005 SwitchHandler.rb', line 103

def register_switch_event_hook(reason)
  Hooks.register(SwitchHandler, :switch_event, reason) do |hook_binding|
    yield(
      self,
      hook_binding.local_variable_get(:who),
      hook_binding.local_variable_get(:with)
    )
  end
end

.register_switch_passthrough_hook(reason) {|handler, pokemon, skill, reason| ... }

Register a switch passthrough. If the block returns :passthrough, it will say that Pokemon can switch in can_switch?

Parameters:

  • reason (String)

    reason of the switch_passthrough hook

Yield Parameters:

Yield Returns:

  • (:passthrough, nil)

    if :passthrough, can_switch? will return true without checking switch_prevention



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# File 'scripts/01600 Alpha 25 Battle Engine/00200 Battle_Logic/00001 Handlers/01005 SwitchHandler.rb', line 52

def register_switch_passthrough_hook(reason)
  Hooks.register(SwitchHandler, :switch_passthrough, reason) do |hook_binding|
    result = yield(
      self,
      hook_binding.local_variable_get(:pokemon),
      hook_binding.local_variable_get(:skill),
      hook_binding.local_variable_get(:reason)
    )
    force_return(true) if result == :passthrough
  end
end

.register_switch_prevention_hook(reason) {|handler, pokemon, skill, reason| ... }

Register a switch prevention hook. If the block returns :prevent, it will say that Pokemon cannot switch in can_switch?

Parameters:

  • reason (String)

    reason of the switch_prevention hook

Yield Parameters:

Yield Returns:

  • (:prevent, nil)

    if :prevent, can_switch? will return false



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# File 'scripts/01600 Alpha 25 Battle Engine/00200 Battle_Logic/00001 Handlers/01005 SwitchHandler.rb', line 71

def register_switch_prevention_hook(reason)
  Hooks.register(SwitchHandler, :switch_prevention, reason) do |hook_binding|
    result = yield(
      self,
      hook_binding.local_variable_get(:pokemon),
      hook_binding.local_variable_get(:skill),
      hook_binding.local_variable_get(:reason)
    )
    force_return(false) if result == :prevent
  end
end

Instance Method Details

#can_switch?(pokemon, skill = nil, reason: :switch) ⇒ Boolean

Test if the switch is possible

Parameters:

  • pokemon (PFM::PokemonBattler)

    pokemon to switch

  • skill (Battle::Move, nil) (defaults to: nil)

    potential move

  • reason (Symbol) (defaults to: :switch)

    the reason why the SwitchHandler is called (:switch or :flee)

Returns:

  • (Boolean)

    if it can switch or not



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# File 'scripts/01600 Alpha 25 Battle Engine/00200 Battle_Logic/00001 Handlers/01005 SwitchHandler.rb', line 12

def can_switch?(pokemon, skill = nil, reason: :switch)
  log_data("# can_switch?(#{pokemon}, #{skill})")
  return false if pokemon.hp <= 0

  reset_prevention_reason
  exec_hooks(SwitchHandler, :switch_passthrough, binding)
  exec_hooks(SwitchHandler, :switch_prevention, binding)
  return true
rescue Hooks::ForceReturn => e
  log_data("# FR: can_switch? #{e.data} from #{e.hook_name} (#{e.reason})")
  return e.data
end

#execute_pre_switch_events(who, with)

Note:

In the event we're starting the battle who & with should be identic, this help to process effect like Intimidate

Execute the events before the pokemon switch out

Parameters:



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# File 'scripts/01600 Alpha 25 Battle Engine/00200 Battle_Logic/00001 Handlers/01005 SwitchHandler.rb', line 29

def execute_pre_switch_events(who, with)
  exec_hooks(SwitchHandler, :pre_switch_event, binding)
end

#execute_switch_events(who, with)

Note:

In the event we're starting the battle who & with should be identic, this help to process effect like Intimidate

Perform the switch between two Pokemon

Parameters:



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# File 'scripts/01600 Alpha 25 Battle Engine/00200 Battle_Logic/00001 Handlers/01005 SwitchHandler.rb', line 37

def execute_switch_events(who, with)
  if with != who
    with.turn_count = 0
  end
  exec_hooks(SwitchHandler, :switch_event, binding)
end