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Help with passage eventing!
#1
So I am currently working on a part of my game in a cave in the desert, so I am using the default "Cave of Earth" tileset. Using this, on any given cave map I have put the "light" tiles to evidence where you came from at the bottom of the map, and regular cave entrance tiles to use as passages., as shown in this pic:

http://i725.photobucket.com/albums/ww257...1277435835

Going forward has been no problem.
What I have been unable to do, however, is create an event at the bottom of the map that takes you to the previous map by simply being in the light at the bottom of the screen and pressing down, essentially "going through" the passage. Is it possible to do this WITHOUT altering the map?
Reply }
#2
So I think I finally figured it out. It works to an extent, which I am happy with for now. If anyone wants to see what I came up with I'll be happy to post it.

But I do have another, non-related question if anyone could help me out. I want to create an item that works in scope on both an hp 0 ally and an ally regularly. However I can only seem to get it to be one or the other. Is there a solution to this?
Reply }
#3
NO! THAT IS NOT POSSIBLE AT ALL!

Just joking around, while it is not possible by default, I made you a script for it.

Code:
#==============================================================================
# ** Scene_Title
#------------------------------------------------------------------------------
#  This class performs title screen processing.
#==============================================================================

class Scene_Title
  #--------------------------------------------------------------------------
  # * Main Processing
  #--------------------------------------------------------------------------
  alias old_main main
  def main
    old_main
    $data_items = load_data("Data/Items.rxdata")
    for i in 1..($data_items.size - 1)
      a = $data_items[i]
      if a.name =~ Regexp.new(/(.)*%/){/i/}.to_s
       a.scope = 8
       a.name = a.name.gsub("%", " ")
      end
    end
  end
end

class Scene_Battle
  def update_phase3_item_select
    # Make item window visible
    @item_window.visible = true
    # Update item window
    @item_window.update
    # If B button was pressed
    if Input.trigger?(Input::B)
      # Play cancel SE
      $game_system.se_play($data_system.cancel_se)
      # End item selection
      end_item_select
      return
    end
    # If C button was pressed
    if Input.trigger?(Input::C)
      # Get currently selected data on the item window
      @item = @item_window.item
      # If it can't be used
      unless $game_party.item_can_use?(@item.id)
        # Play buzzer SE
        $game_system.se_play($data_system.buzzer_se)
        return
      end
      # Play decision SE
      $game_system.se_play($data_system.decision_se)
      # Set action
      @active_battler.current_action.item_id = @item.id
      # Make item window invisible
      @item_window.visible = false
      # If effect scope is single enemy
      if @item.scope == 1
        # Start enemy selection
        start_enemy_select
      # If effect scope is single ally
      elsif @item.scope == 3 or @item.scope == 5 or @item.scope == 8
        # Start actor selection
        start_actor_select
      # If effect scope is not single
      else
        # End item selection
        end_item_select
        # Go to command input for next actor
        phase3_next_actor
      end
      return
    end
  end
  
  #--------------------------------------------------------------------------
  # * Start Actor Selection
  #--------------------------------------------------------------------------
  def start_actor_select
    # Make actor arrow
    @actor_arrow = Arrow_Actor.new(@spriteset.viewport2)
    @actor_arrow.index = @actor_index
    # Associate help window
    @actor_arrow.help_window = @help_window
    # Disable actor command window
    @actor_command_window.active = false
    @actor_command_window.visible = false
  end
  #--------------------------------------------------------------------------
  # * Make Item Action Results
  #--------------------------------------------------------------------------
  def make_item_action_result
    # Get item
    @item = $data_items[@active_battler.current_action.item_id]
    # If unable to use due to items running out
    unless $game_party.item_can_use?(@item.id)
      # Shift to step 1
      @phase4_step = 1
      return
    end
    # If consumable
    if @item.consumable
      # Decrease used item by 1
      $game_party.lose_item(@item.id, 1)
    end
    # Display item name on help window
    @help_window.set_text(@item.name, 1)
    # Set animation ID
    @animation1_id = @item.animation1_id
    @animation2_id = @item.animation2_id
    # Set common event ID
    @common_event_id = @item.common_event_id
    # Decide on target
    index = @active_battler.current_action.target_index
    target = $game_party.smooth_target_actor(index)
    # Set targeted battlers
    set_target_battlers(@item.scope)
    # Apply item effect
    for target in @target_battlers
      target.item_effect(@item)
    end
  end
  
  
  def set_target_battlers(scope)
    # If battler performing action is enemy
    if @active_battler.is_a?(Game_Enemy)
      # Branch by effect scope
      case scope
      when 1  # single enemy
        index = @active_battler.current_action.target_index
        @target_battlers.push($game_party.smooth_target_actor(index))
      when 2  # all enemies
        for actor in $game_party.actors
          if actor.exist?
            @target_battlers.push(actor)
          end
        end
      when 3  # single ally
        index = @active_battler.current_action.target_index
        @target_battlers.push($game_troop.smooth_target_enemy(index))
      when 4  # all allies
        for enemy in $game_troop.enemies
          if enemy.exist?
            @target_battlers.push(enemy)
          end
        end
      when 5  # single ally (HP 0)
        index = @active_battler.current_action.target_index
        enemy = $game_troop.enemies[index]
        if enemy != nil and enemy.hp0?
          @target_battlers.push(enemy)
        end
      when 6  # all allies (HP 0)
        for enemy in $game_troop.enemies
          if enemy != nil and enemy.hp0?
            @target_battlers.push(enemy)
          end
        end
      when 7  # user
        @target_battlers.push(@active_battler)
      
      when 8 # ally any
        index = @active_battler.current_action.target_index
        actor = $game_party.actors[index]
        @target_battlers.push(actor)
      
      end
    end
    # If battler performing action is actor
    if @active_battler.is_a?(Game_Actor)
      # Branch by effect scope
      case scope
      when 1  # single enemy
        index = @active_battler.current_action.target_index
        @target_battlers.push($game_troop.smooth_target_enemy(index))
      when 2  # all enemies
        for enemy in $game_troop.enemies
          if enemy.exist?
            @target_battlers.push(enemy)
          end
        end
      when 3  # single ally
        index = @active_battler.current_action.target_index
        @target_battlers.push($game_party.smooth_target_actor(index))
      when 4  # all allies
        for actor in $game_party.actors
          if actor.exist?
            @target_battlers.push(actor)
          end
        end
      when 5  # single ally (HP 0)
        index = @active_battler.current_action.target_index
        actor = $game_party.actors[index]
        if actor != nil and actor.hp0?
          @target_battlers.push(actor)
        end
      when 6  # all allies (HP 0)
        for actor in $game_party.actors
          if actor != nil and actor.hp0?
            @target_battlers.push(actor)
          end
        end
      when 7  # user
        @target_battlers.push(@active_battler)
      when 8 # ally any
        index = @active_battler.current_action.target_index
        actor = $game_party.actors[index]
        @target_battlers.push(actor)
      end
    end
  end
end

#==============================================================================
# ** Game_Battler (part 3)
#------------------------------------------------------------------------------
#  This class deals with battlers. It's used as a superclass for the Game_Actor
#  and Game_Enemy classes.
#==============================================================================

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


#==============================================================================
# ** Game_Party
#------------------------------------------------------------------------------
#  This class handles the party. It includes information on amount of gold
#  and items. Refer to "$game_party" for the instance of this class.
#==============================================================================

class Game_Party
  #--------------------------------------------------------------------------
  # * Determine if Item is Usable
  #     item_id : item ID
  #--------------------------------------------------------------------------
  def item_can_use?(item_id)
    # If item quantity is 0
    if item_number(item_id) == 0
      # Unusable
      return false
    end
    # Get usable time
    occasion = $data_items[item_id].occasion
    # If in battle
    if $game_temp.in_battle
      # If useable time is 0 (normal) or 1 (only battle) it's usable
      return (occasion == 0 or occasion == 1)
    end
    # If useable time is 0 (normal) or 2 (only menu) it's usable
    return (occasion == 0 or occasion == 2)
  end
end


Here is what you need to do:

Go to the script editor in your game, create a new script above main and past the script above.

Now, to make an item have the scope you requested, make it's name end with %.

So for example, if you want an item called "Potion" to be like you requested, change it's name to "Potion%". The "%" will not be shown in the game, it is visible only in the editor ;)
Reply }
#4
Wow! Thank you so much, it works just fine!

Obviously I am a bit new to RMXP, so the help is appreciated. I might get into learning the scripting language later, if I get more time, but for now I'm just concentrating on making a good game.

Just curious, how long did it take you to "make" that script?
Reply }
#5
Half an hour ;)
No need to hurry about learning to script, there are plenty of scripts on rpg maker sites like this that you can use.
Why don't you post some info about your game in the projects section? :)
Reply }
#6
Okay, well thank you very much!
I'll probably get around to posting info later too... :)

There is one more thing I've been searching for, and I don't feel like making a new thread... and that is either one of two things:
1. A way to trigger an event based off of a certain character leveling up. I want to create a way for players to choose their skills as they level, and so I think if an event could be triggered on level up to bring up a menu of sorts for them to do this, that would be awesome.
2. A way to create the aforementioned menu, and have access to it through the touch of a button. (Like the "Press A for email" program in the sample game - KNight Blade).

Could you or someone else point me in the right direction?
Reply }
#7
like this?
http://rmvxp.com/thread-777.html

here's one for stats:
http://downloads.chaos-project.com/scrip...System.txt
Reply }
#8
Sort of, though not exactly. The idea of accessing said skill menu from the menu is good, I'll want that.
However,correct me if I am wrong, but that system needs to link equipment to the skills you are learning, as that does not seem necessary. More of what I want is a system that goes more like:
1. Player Character attains level in which they learn a new skill. (Example, a elemental mage)
2. The player goes to a skill menu or tree. From there they have a few choices of what to learn. (Example: choice of earth skill, fire skill, water skill, air skill)
3. They choose which skill they want, which opens up further options for further levels. (Ex: choose earth skill, get the option next skill level to gain a more advanced earth skill, while retaining the abilities to learn the fire, air, water, etc)
If there is a way to do this with the aforementioned system, please let me know!!

Also I have seen this system, and am thinking of using it, just for skills -
http://www.rpgrevolution.com/forums/inde...opic=20562
I think it might work for my purposes, we will see though. It's a lot of extra eventing, and I would almost prefer a menu system instead. But hey, i'll use what I can find, eh? :)
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#9
That looks good. You should use a common event for the triggering.
http://bb.xieke.com/files/Project8.exe
Here is a demo. You'll have to change/modify it to your liking though.
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