355 lines
12 KiB
Ruby
355 lines
12 KiB
Ruby
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#==============================================================================
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# ** Game_Battler (part 3)
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#------------------------------------------------------------------------------
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# This class deals with battlers. It's used as a superclass for the Game_Actor
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# and Game_Enemy classes.
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#==============================================================================
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class Game_Battler
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#--------------------------------------------------------------------------
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# * Determine Usable Skills
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# skill_id : skill ID
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#--------------------------------------------------------------------------
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def skill_can_use?(skill_id)
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# If there's not enough SP, the skill cannot be used.
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if $data_skills[skill_id].sp_cost > self.sp
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return false
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end
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# Unusable if incapacitated
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if dead?
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return false
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end
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# If silent, only physical skills can be used
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if $data_skills[skill_id].atk_f == 0 and self.restriction == 1
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return false
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end
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# Get usable time
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occasion = $data_skills[skill_id].occasion
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# If in battle
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if $game_temp.in_battle
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# Usable with [Normal] and [Only Battle]
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return (occasion == 0 or occasion == 1)
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# If not in battle
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else
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# Usable with [Normal] and [Only Menu]
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return (occasion == 0 or occasion == 2)
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end
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end
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#--------------------------------------------------------------------------
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# * Applying Normal Attack Effects
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# attacker : battler
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#--------------------------------------------------------------------------
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def attack_effect(attacker)
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# Clear critical flag
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self.critical = false
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# First hit detection
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hit_result = (rand(100) < attacker.hit)
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# If hit occurs
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if hit_result == true
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# Calculate basic damage
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atk = [attacker.atk - self.pdef / 2, 0].max
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self.damage = atk * (20 + attacker.str) / 20
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# Element correction
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self.damage *= elements_correct(attacker.element_set)
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self.damage /= 100
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# If damage value is strictly positive
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if self.damage > 0
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# Critical correction
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if rand(100) < 4 * attacker.dex / self.agi
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self.damage *= 2
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self.critical = true
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end
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# Guard correction
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if self.guarding?
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self.damage /= 2
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end
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end
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# Dispersion
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if self.damage.abs > 0
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amp = [self.damage.abs * 15 / 100, 1].max
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self.damage += rand(amp+1) + rand(amp+1) - amp
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end
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# Second hit detection
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eva = 8 * self.agi / attacker.dex + self.eva
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hit = self.damage < 0 ? 100 : 100 - eva
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hit = self.cant_evade? ? 100 : hit
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hit_result = (rand(100) < hit)
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end
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# If hit occurs
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if hit_result == true
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# State Removed by Shock
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remove_states_shock
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# Substract damage from HP
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self.hp -= self.damage
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# State change
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@state_changed = false
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states_plus(attacker.plus_state_set)
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states_minus(attacker.minus_state_set)
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# When missing
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else
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# Set damage to "Miss"
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self.damage = "Miss"
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# Clear critical flag
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self.critical = false
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end
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# End Method
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return true
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end
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#--------------------------------------------------------------------------
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# * Apply Skill Effects
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# user : the one using skills (battler)
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# skill : skill
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#--------------------------------------------------------------------------
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def skill_effect(user, skill)
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# Clear critical flag
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self.critical = false
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# If skill scope is for ally with 1 or more HP, and your own HP = 0,
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# or skill scope is for ally with 0, and your own HP = 1 or more
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if ((skill.scope == 3 or skill.scope == 4) and self.hp == 0) or
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((skill.scope == 5 or skill.scope == 6) and self.hp >= 1)
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# End Method
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return false
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end
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# Clear effective flag
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effective = false
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# Set effective flag if common ID is effective
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effective |= skill.common_event_id > 0
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# First hit detection
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hit = skill.hit
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if skill.atk_f > 0
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hit *= user.hit / 100
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end
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hit_result = (rand(100) < hit)
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# Set effective flag if skill is uncertain
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effective |= hit < 100
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# If hit occurs
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if hit_result == true
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# Calculate power
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power = skill.power + user.atk * skill.atk_f / 100
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if power > 0
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power -= self.pdef * skill.pdef_f / 200
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power -= self.mdef * skill.mdef_f / 200
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power = [power, 0].max
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end
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# Calculate rate
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rate = 20
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rate += (user.str * skill.str_f / 100)
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rate += (user.dex * skill.dex_f / 100)
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rate += (user.agi * skill.agi_f / 100)
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rate += (user.int * skill.int_f / 100)
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# Calculate basic damage
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self.damage = power * rate / 20
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# Element correction
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self.damage *= elements_correct(skill.element_set)
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self.damage /= 100
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# If damage value is strictly positive
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if self.damage > 0
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# Guard correction
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if self.guarding?
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self.damage /= 2
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end
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end
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# Dispersion
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if skill.variance > 0 and self.damage.abs > 0
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amp = [self.damage.abs * skill.variance / 100, 1].max
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self.damage += rand(amp+1) + rand(amp+1) - amp
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end
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# Second hit detection
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eva = 8 * self.agi / user.dex + self.eva
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hit = self.damage < 0 ? 100 : 100 - eva * skill.eva_f / 100
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hit = self.cant_evade? ? 100 : hit
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hit_result = (rand(100) < hit)
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# Set effective flag if skill is uncertain
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effective |= hit < 100
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end
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# If hit occurs
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if hit_result == true
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# If physical attack has power other than 0
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if skill.power != 0 and skill.atk_f > 0
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# State Removed by Shock
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remove_states_shock
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# Set to effective flag
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effective = true
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end
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# Substract damage from HP
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last_hp = self.hp
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self.hp -= self.damage
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effective |= self.hp != last_hp
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# State change
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@state_changed = false
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effective |= states_plus(skill.plus_state_set)
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effective |= states_minus(skill.minus_state_set)
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# If power is 0
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if skill.power == 0
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# Set damage to an empty string
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self.damage = ""
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# If state is unchanged
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unless @state_changed
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# Set damage to "Miss"
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self.damage = "Miss"
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end
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end
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# If miss occurs
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else
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# Set damage to "Miss"
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self.damage = "Miss"
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end
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# If not in battle
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unless $game_temp.in_battle
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# Set damage to nil
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self.damage = nil
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end
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# End Method
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return effective
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end
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#--------------------------------------------------------------------------
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# * Application of Item Effects
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# item : item
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#--------------------------------------------------------------------------
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def item_effect(item)
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# Clear critical flag
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self.critical = false
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# If item scope is for ally with 1 or more HP, and your own HP = 0,
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# or item scope is for ally with 0 HP, and your own HP = 1 or more
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if ((item.scope == 3 or item.scope == 4) and self.hp == 0) or
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((item.scope == 5 or item.scope == 6) and self.hp >= 1)
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# End Method
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return false
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end
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# Clear effective flag
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effective = false
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# Set effective flag if common ID is effective
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effective |= item.common_event_id > 0
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# Determine hit
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hit_result = (rand(100) < item.hit)
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# Set effective flag is skill is uncertain
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effective |= item.hit < 100
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# If hit occurs
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if hit_result == true
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# Calculate amount of recovery
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recover_hp = maxhp * item.recover_hp_rate / 100 + item.recover_hp
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recover_sp = maxsp * item.recover_sp_rate / 100 + item.recover_sp
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if recover_hp < 0
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recover_hp += self.pdef * item.pdef_f / 20
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recover_hp += self.mdef * item.mdef_f / 20
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recover_hp = [recover_hp, 0].min
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end
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# Element correction
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recover_hp *= elements_correct(item.element_set)
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recover_hp /= 100
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recover_sp *= elements_correct(item.element_set)
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recover_sp /= 100
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# Dispersion
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if item.variance > 0 and recover_hp.abs > 0
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amp = [recover_hp.abs * item.variance / 100, 1].max
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recover_hp += rand(amp+1) + rand(amp+1) - amp
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end
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if item.variance > 0 and recover_sp.abs > 0
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amp = [recover_sp.abs * item.variance / 100, 1].max
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recover_sp += rand(amp+1) + rand(amp+1) - amp
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end
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# If recovery code is negative
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if recover_hp < 0
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# Guard correction
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if self.guarding?
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recover_hp /= 2
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end
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end
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# Set damage value and reverse HP recovery amount
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self.damage = -recover_hp
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# HP and SP recovery
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last_hp = self.hp
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last_sp = self.sp
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self.hp += recover_hp
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self.sp += recover_sp
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effective |= self.hp != last_hp
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effective |= self.sp != last_sp
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# State change
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@state_changed = false
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effective |= states_plus(item.plus_state_set)
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effective |= states_minus(item.minus_state_set)
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# If parameter value increase is effective
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if item.parameter_type > 0 and item.parameter_points != 0
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# Branch by parameter
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case item.parameter_type
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when 1 # Max HP
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@maxhp_plus += item.parameter_points
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when 2 # Max SP
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@maxsp_plus += item.parameter_points
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when 3 # Strength
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@str_plus += item.parameter_points
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when 4 # Dexterity
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@dex_plus += item.parameter_points
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when 5 # Agility
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@agi_plus += item.parameter_points
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when 6 # Intelligence
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@int_plus += item.parameter_points
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end
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# Set to effective flag
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effective = true
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end
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# If HP recovery rate and recovery amount are 0
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if item.recover_hp_rate == 0 and item.recover_hp == 0
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# Set damage to empty string
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self.damage = ""
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# If SP recovery rate / recovery amount are 0, and parameter increase
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# value is ineffective.
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if item.recover_sp_rate == 0 and item.recover_sp == 0 and
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(item.parameter_type == 0 or item.parameter_points == 0)
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# If state is unchanged
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unless @state_changed
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# Set damage to "Miss"
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self.damage = "Miss"
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end
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end
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end
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# If miss occurs
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else
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# Set damage to "Miss"
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self.damage = "Miss"
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end
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# If not in battle
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unless $game_temp.in_battle
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# Set damage to nil
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self.damage = nil
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end
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# End Method
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return effective
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end
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#--------------------------------------------------------------------------
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# * Application of Slip Damage Effects
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#--------------------------------------------------------------------------
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def slip_damage_effect
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# Set damage
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self.damage = self.maxhp / 10
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# Dispersion
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if self.damage.abs > 0
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amp = [self.damage.abs * 15 / 100, 1].max
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self.damage += rand(amp+1) + rand(amp+1) - amp
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end
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# Subtract damage from HP
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self.hp -= self.damage
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# End Method
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return true
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end
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#--------------------------------------------------------------------------
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# * Calculating Element Correction
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# element_set : element
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#--------------------------------------------------------------------------
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def elements_correct(element_set)
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# If not an element
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if element_set == []
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# Return 100
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return 100
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end
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# Return the weakest object among the elements given
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# * "element_rate" method is defined by Game_Actor and Game_Enemy classes,
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# which inherit from this class.
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weakest = -100
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for i in element_set
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weakest = [weakest, self.element_rate(i)].max
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end
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return weakest
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end
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end
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