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-=head1 CROSSFIRE+ OBJECT AND INTERNALS DOCUMENTATION
+=head1 DELIANTRA OBJECT AND INTERNALS DOCUMENTATION
-Here is all information about the object types Crossfire+
+Here is all information about the object types Deliantra
 supports at the moment. This is not a complete documentation (yet)
 and browsing the source is still recommended to learn about
 the objects that aren't documented here.
 This documentation is in a sketchy state. It's mostly
 This document does explain the behaviour of the objects and the meaning of
 their fields in the server engine, which are derived from archetypes.
 This is an example of an archetype:
-   Object button_trigger
+   object button_trigger
    name button
    type 30
-   face button_sma.111
+   face button_sma.x11
    anim
-   button_sma.111
+   button_sma.x11
-   button_sma.112
+   button_sma.x12
    mina
    is_animated 0
    exp 30
    no_pick 1
    walk_on 1
 For non-player objects this field is not changed by server ticks.
 =item I<glow_radius> <number>
 This field indicates how far an object glows. Default is a radius of 0 (no
-glowing at all).
+glowing at all). Negative glow radii darken areas - currently, negative
+glow radii are stronger than positive ones.
-=item I<speed> <number>
+=item I<speed> <float>
 If this field is greater than MIN_ACTIVE_SPEED (~0.0001) the object is placed
 on the active object list and will be processed each tick (see also speed_left!).
 If I<speed> drops below the MIN_ACTIVE_SPEED the object is removed
 from the active object list and it won't experience any processing per tick.
+Negative speed settings in archetypes and files cause a speed_left
+randomisation on load or instantiatian, but for calculations, the absolute
+value is used always.
-=item I<speed_left> <number>
+=item I<speed_left> <float>
 If this field is greater than 0 and the object is on the
 active list (mostly means it's speed is also greater than 0):
    - speed_left is decreased by 1
 This means: the lower I<speed> is (but still above MIN_ACTIVE_SPEED)
 the more seldom the object is processed. And the higher I<speed> is
 the more often the object is processed.
-=item I<connected> <number>
+=item I<connected> <identifier>
 When this field is set the object will be linked to a connection with the
-id <number>. What happens when the connection is 'activated' depends on the
+same <identifier>. What happens when the connection is 'activated' depends on the
 type of the object.
 FLAG_ACTIVATE_ON_PUSH and FLAG_ACTIVATE_ON_RELEASE they will control
 when to activate the object, see description of these below for further details.
 will be generated.
 After the new object is created the I<hp> field from the old object is copied into
 the new one.
-When the old object was a B<LAMP> it's I<food> fields value less 1 will be copied
-to the new object.
 =item FLAG_IS_A_TEMPLATE (internal use)
 This flag is set on the inventory of generators like B<CREATOR>s and B<CONVERTER>s,
 or other objects that have the flags FLAG_GENERATOR and FLAG_CONTENT_ON_GEN set.
 This flag is by default on.
 =item FLAG_NO_STEAL
 When this flag is set this object can't be stolen. The flag will be
-resetted once the object is placed on a map.
+reset once the object is placed on a map.
-When this flag is set on a monster it can defent attempts of stealing
+When this flag is set on a monster it can defend attempts at stealing
 (but in this context the flag is only used internally).
 =item FLAG_NO_SKILL_IDENT
 This flag is mostly used internal and prevents unidentified objects
 This flag indicates whether a B<LIGHTER> can light this object. See also the
 description of the B<LIGHTER> type. How easy you can light an item depends
 partially on the material of the object.
+=item FLAG_MONSTER
+Enables NPC behaviour in general (both monster AI and friendly AI). Numerous fields
+change their meaning, including:
+=over 4
+=item I<wis>
+Governs the "wake-up radius" - the radius within a monster detects an enemy.
+Also, I<wis> governs pathfinding intelligence: 8 and up means the monster
+will partake in basic smell finding. 10 and up additionally spreads smell
+knowledge, and 15 and up additionally will try to perturb the path as to
+find shortcuts.
+=back
 =back
 =head2 Description of type specific fields and behaviour
 The beginning of the headers of the following subsection
 are the server internal names for the objects types, see include/define.h.
+=head3 B<TRANSPORT> - type 2 - Player transports
+This type is implemented by the transport extension and has currently no special
+fields that affect it.
+=head3 B<ROD>, B<HORN> - type 3, 35 - Rods that fire spells
+Rods contain spells and can be fired by a player.
+=over 4
+=item I<level> <number>
+This field is used for calculating the spell level that can be fired
+with this rod, it's also the maximum level of the spell that can be fired.
+The level of the spell that is being fired depends mostly on
+the 'use magic item' skill level of the player and 1/10 of the level of the
+rod is added as bonus.
+=item I<hp> <number>
+The amount of spellpoints this rod has left. Recharges at a rate of C<1 +
+maxhp/10> per tick.
+=item I<maxhp> <number>
+The maximum amount of spellpoints this rod has.
+=item I<skill> <skill name>
+This field determines which skill you need to apply this object.
+=back
+=head3 B<TREASURE> - type 4 - Treasures
+This type of objects are for random treasure generation in maps.
+If this object is applied by a player it will replace itself with it's
+inventory. If it is automatically applied
+generate a treasure and replace itself with the generated treasure.
+Chests are also of this type, their treasures are generated by
+the auto apply code on map instantiation.
+=over 4
+=item I<hp> <number>
+The number of treasures to generate.
+=item I<exp> <level>
+If FLAG_AUTO_APPLY is not set the exp field has no further meaning
+and the difficulty for the treasurecode only depends on the maps difficulty,
+otherwise the exp field has the following meaning:
+If this field is not 0 it is passed as the difficulty
+to the treasure generation code to determine how good, how much
+worth a treasure is or what bonuses it is given by the treasure code.
+If this field is not set or 0 the difficulty of the map is passed to the treasure
+generation code.
+=item I<randomitems> <treasurelist>
+The treasurelist to use to generate the treasure which is put in the
+treasure objects inventory.
+=back
+=head3 B<POTION> - type 5 - Potions for drinking and other nastynesses
+These objects contain a spell and will emit it on apply, which most
+of the time has the meaning of 'drinking'.
+If no resistancy field, stat field or attacktype is set and no spell
+is put in the potion by the sp field or the randomitems the
+potion will become an artifact and the artifact code decides which kind
+of potion will be generated.
+If the potion has FLAG_CURSED or FLAG_DAMNED set the usage of this potion
+will yield an explosion and hurt the player.
+=over 4
+=item I<Str>, I<Dex>, I<Con>, I<Int>, I<Wis>, I<Cha>, I<Pow> <number>
+These stat fields determine how many stat points the player gets
+when he applies this potion.
+If FLAG_CURSED or FLAG_DAMNED is set the player will loose that many stat points.
+=item I<sp> <number>
+If this field is set and the randomitems field is not set
+the field is interpreted as spell number, please look the right
+number up in common/loader.C.
+If this field is set the randomitems field will be unset by the
+map loading code.
+=item I<attacktype> <attacktype>
+This field has some special meaning in potions, currently the
+bits for AT_DEPLETE and AT_GODPOWER control whethere this is a
+restoration potion or improvement potion.
+See include/attackinc.h for the bits of these types.
+If AT_DEPLETE is set the player will be restored and the "depletion"
+will be removed from him. If the potion has FLAG_CURSED or FLAG_DAMNED
+set the player will be drained a random stat by inserting an "depletion"
+into him.
+If AT_GODPOWER is enabled the player will gain +1 maxvalue in his hp, sp or grace stat.
+When the potion has FLAG_CURSED or FLAG_DAMNED set he will loose one in one of these stats.
+=item I<resist_RESISTANCY> <number>
+If this stat is set and no spell is in the potion the potion
+will create a force that give the player this specific resistancy.
+The forces type will be changed to POTION_EFFECT (see POTION_EFFECT type below)
+and the potion will last 10 times longer than the default force archetype
+FORCE_NAME (at the moment of this writing spell/force.arc).
+=item I<randomitems> <treasurelist>
+The inventory/spell of the potion will be created by calling the treasure code
+with the treasurelist specified here. (I guess it's highly undefined what
+happens if there is not a spell in the potions inventory).
+=item I<on_use_yield> <archetype>
+When this object is applied an instance of <archetype> will be created.
+=item I<subtypes> <potion subtype>
+see include/spells.h for possible potion subtypes, there are currently 4:
+=over 4
+=item POT_SPELL
+Unused, default behaiour of a potion.
+=item POT_DUST
+This potion can be thrown to cast the spell that it has in it's inventory,
+the behaviour is not defined if there is not a B<SPELL> in the inventory and the
+server will log an error.
+=item POT_FIGURINE
+Unused, default behaiour of a potion.
+=item POT_BALM
+Unused, default behaiour of a potion.
+=back
+=back
+=head3 B<FOOD> - type 6 - Edible stuff
+This is for objects that are representing general eatables like
+beef or bread.
+The main difference between B<FOOD>, B<FLESH> and B<DRINK> is that they
+give different messages.
+The specialty of B<FLESH> is that it inherits the resistancies of the
+monsters it was generated in and will let dragons raise their resistancies
+with that. If the monster has the B<POISON> attacktype the B<FLESH>
+will change into B<POISON>.
+If a player runs low on food he will grab for B<FOOD>, B<DRINK> and B<POISON>
+and if he doesn't find any of that he will start eating B<FLESH>.
+=over 4
+=item I<title> <string>
+If the food has B<title> set or is cursed it is considered 'special', which
+means that the fields I<Str>, I<Dex>, I<Con>, I<Int>, I<Wis>, I<Pow>,
+I<resist_RESISTANCY>, I<hp> and I<sp> are interpreted and have further effects
+on the player.
+The higher the I<food> field is the longer the improvement of the player lasts
+(except for I<hp> and I<sp>).
+=item I<food> <number>
+This is the amount of food points the player gets when he eats this.
+=item I<on_use_yield> <archetype>
+When this object is applied an instance of <archetype> will be created.
+=back
+=head3 B<POISON> - type 7 - Poisonous stuff
+This type is for objects that can poison the player when he drinks/applies it.
+When applied it will hit the attacked with AT_POISON and will create
+a B<POISONING> object in the one who was hit.
+=over 4
+=item I<level> <number>
+This field affects the probability of poisoning. The higher the level difference
+between the one who is hit and the poision the more probable it is the attacked
+one will be poisoned.
+=item I<slaying> <race>
+This field has the usual meaning of 'slaying', when the
+poisoned's race matches the I<slaying> field the damage done by the poison
+is multiplied by 3.
+=item I<hp> <number>
+This is the amount of damage the player will receive from applying this.  The
+attacktype AT_POISON will be used to hit the player and the damage will
+determine the strenght, duration and depletion of stats of the poisoning.  The
+created B<POISONING> object which is being placed in the one who was attacked will
+get the damage from this field (which is maybe adjusted by slaying or the
+resistancies).
+=item I<food> <number>
+1/4 of <number> will be drained from the players I<food>.
+=item I<on_use_yield> <archetype>
+When this object is applied an instance of <archetype> will be created.
+=back
+=head3 B<BOOK> - type 8 - Readable books
+This type is basically for representing text books in the game.
+Reading a book also identifys it (if FLAG_NO_SKILL_IDENT is not set).
+=over 4
+=item I<msg> <text>
+This is the contents of the book. When this field is unset
+at treasure generation a random text will be inserted.
+=item I<skill> <skill name>
+The skill required to read this book. (The most resonable
+skill would be literacy).
+=item I<exp> <number>
+The experience points the player get for reading this book.
+=item I<subtype> <readable subtype>
+This field determines the type of the readable.
+Please see common/readable.C in the readable_message_types table.
+=back
+=head3 B<CLOCK> - type 9 - Clocks
+This type of objects just display the time when being applied.
+=head3 B<LIGHTNING> - type 12 - Lightnings (DEPRECATED: see B<SPELL_EFFECT> subtype SP_BOLT)
+This is a spell effect of a moving bolt. It moves straigt forward
+through the map until something blocks it.
+If FLAG_REFLECTING is set it even reflects on walls.
+FLAG_IS_TURNABLE should be set on these objects.
+=over 4
+=item I<move_type> <movetype>
+This field affects the move type with which the lightning moves through
+the map and which map cells will reflect or block it.
+=item I<attacktype> <attacktype>
+The attacktype with which it hits the objects on the map.
+=item I<dam> <number>
+The damage this bolt inflicts when it hits objects on the map.
+=item I<Dex> <number>
+This is the fork percentage, it is reduced by 10 per fork.
+And the I<dam> field is halved on each fork.
+=item I<Con> (internal)
+This value is a percentage of which the forking lightning
+is deflected to the left. This value should be mostly used internally.
+=item I<duration> <number>
+The duration the bolt stays on a map cell. This field is decreased each time
+the object is processed (see the meaning of I<speed> and I<speed_left> fields in
+the generic object field description).
+=item I<range> <number>
+This is the range of the bolt, each space it advances this field is decreased.
+=back
+=head3 B<ARROW> - type 13 - Arrows
+This is the type for objects that represent projectiles like arrows.
+The movement of B<THROWN_OBJ>s behave similar to this type.
+Flying arrows are stopped either when they hit something blocking
+(I<move_block>) or something which is alive.
+If it hits something that is alive, which doesn't have FLAG_REFL_MISSILE
+set, it will inflict damage. If FLAG_REFL_MISSILE is set it will inflict
+damage with a small chance which is affected by the I<level> field of the arrow.
+If FLAG_REFLECTING is set on the arrow it will bounce off everything
+that is not alive and blocks it's movement.
+When an arrow is being shot it's I<dam>, I<wc>, I<attacktype>, I<slaying>
+fields will be saved in the I<sp>, I<hp>, I<grace> and I<spellarg> fields of
+the object, to restore them once the arrow has been stopped.
+=over 4
+=item I<dam> <number>
+The amount of damage that is being done to the victim that gets hit.
+This field is recomputed when the arrow is fired and will consist
+of the sum of a damage bonus (see description of the B<BOW> type),
+the arrows I<dam> field, the bows I<dam> field, the bows I<magic> field
+and the arrows I<magic> field.
+=item I<wc> <number>
+The weapon class of the arrow, which has effect on the probability of hitting.
+It is recomputed when the arrow is being fired by this formula:
+  wc = 20 - bow->magic - arrow->magic - (skill->level or shooter->level)
+          - dex_bonus - thaco_bonus - arrow->stats.wc - bow->stats.wc + wc_mod
+When the arrow is not being shot by an player dex_bonus and thaco_bonus and the
+level is not added.
+wc_mod is dependend on the fire mode of the bow.  For a more detailed
+explanation of dex_bonus, thaco_bonus and wc_mod please consult the code.
+=item I<magic> <number>
+This field is added to the damage of the arrow when it is shot and
+will also improve it's I<speed> by 1/5 of it's value.
+=item I<attacktype> <attacktype>
+Bitfield which decides the attacktype of the damage, see include/attackinc.h
+On fireing the I<attacktype> of the bow is added to the arrows I<attacktype>.
+=item I<level> <number> (interally used)
+The level of the arrow, this affects the probability of piercing FLAG_REFL_MISSILE,
+see above in the B<ARROW> description.
+The I<level> is set when the arrow is fired to either the skill level or the
+shooters level.
+=item I<speed> <number> (internal)
+This field shouldn't be set directly in the archetype, the arrow will get it's
+I<speed> from the bow.  This fields value has to be at least 0.5 or otherwise the
+arrow will be stopped immediatly.
+On fireing the I<speed> of the arrow is computed of 1/5 of the
+sum of the damage bonus (see BOW), bow I<magic> and arrow I<magic>. After that 1/7
+of the bows I<dam> field is added to the I<speed> of the arrow.
+The minimum I<speed> of an arrow is 1.0.
+While flying the arrows I<speed> is decreased by 0.05 each time it's moved.
+If the I<speed> is above 10.0 it goes straight through the creature it hits and
+its I<speed> is reduced by 1. If the I<speed> is lower or equal 10.0 the arrow is
+stopped and either stuck into the victim (see I<weight> field description) or
+put on its map square (if it didn't break, see description of the I<food> field).
+=item I<weight> <number>
+This field is the weight of the arrow, if I<weight> is below or equal 5000 (5 kg)
+the arrow will stick in the victim it hits. Otherwise it will fall to the ground.
+=item I<food> <number>
+The breaking percentage. 100 (%) means: breaks on usage for sure.
+=item I<inventory> (internal)
+If the flying/moving object has something in it's inventory and it stops, it
+will be replaced with it's inventory. Otherwise it will be handled as usual,
+which means: it will be calculated whether the arrow breaks and it will be
+reset for reuse.
+=item I<slaying> <string>
+When the bow that fires this arrow has it's I<slaying> field set it is copied
+to the arrows I<slaying> field. Otherwise the arrows I<slaying> field remains.
+=item I<move_type> <movetype> (internally used)
+This field is set when the arrow is shot to MOVE_FLY_LOW.
+=item I<move_on> <movetype> (internally used)
+This field is set when the arrow is shot to MOVE_FLY_LOW and MOVE_WALK.
+=item I<race> <string>
+The I<race> field is a unique key that assigns arrows, bows and quivers. When
+shooting an arrow the bows I<race> is used to search for arrows (which have the
+same I<race> as the bow) in the players inventory and will recursively search in
+the containers (which are applied and have the same I<race> as the bow and the arrow).
+=back
+=head3 B<BOW> - type 14 - Bows, those that fire B<ARROW>s
+TODO, but take into account B<ARROW> description above!
+=head3 B<WEAPON> - type 15 - Weapons
+This type is for general hack and slash weapons like swords, maces
+and daggers and and ....
+=over 4
+=item I<weapontype> <type id>
+decides what attackmessages are generated, see include/define.h
+=item I<attacktype> <bitmask>
+bitfield which decides the attacktype of the damage, see include/attackinc.h
+=item I<dam> <number>
+amount of damage being done with the attacktype
+=item I<item_power> <level>
+the itempower of this weapon.
+=item I<name>
+the name of the weapon.
+=item I<level> (internal)
+The improvement state of the weapon.
+If this field is greater than 0 the I<name> field starts with the
+characters name who improved this weapon.
+=item I<last_eat> (internal)
+This seems to be the amount of improvements of a weapon,
+the formular for equipping a weapon seems to be (server/apply.C:check_weapon_power):
+  ((who->level / 5) + 5) >= op->last_eat
+=item I<last_sp>
+the weapon speed (see magic description)
+=item I<food> <number>
+addition to food regeneration of the player
+=item I<hp> <number>
+addition to health regeneration
+=item I<sp> <number>
+addition to mana regeneration
+=item I<grace> <number>
+addititon to grace regeneration
+=item I<gen_sp_armour> <number>
+the players I<gen_sp_armour> field (which is per default 10) is being added the
+<number> amount.  gen_sp_armour seems to be a factor with which gen_sp in
+do_some_living() is multiplied:  gen_sp *= 10/<number> meaning: values > 10 of
+I<gen_sp_armour> limits the amout of regenerated spellpoints.
+Generally this field on weapons is in ranges of 1-30 and decides the slowdown of the
+I<sp> regeneration.
+=item I<body_BODYSLOT>
+The part/slot of the body you need to use this weapon, possible values for
+C<BODYSLOT> should be looked up in common/item.C at body_locations.
+The value (in the range C<-7..7>) gives the number of those body slots
+used up by the item (if negative) or the number of body slots this object
+has (if positive, e.g. for monsters or players). The special value C<0>
+indicates that this object cannot equip items requiring these body slots.
+=item I<resist_RESISTANCY> <number>
+this is the factor with which the difference of the players resistancy and 100%
+is multiplied, something like this:
+   additional_resistancy = (100 - current_resistancy) * (<number>/100)
+if <number> is negative it is added to the total vulnerabilities,
+and later the total resistance is decided by:
+  'total resistance = total protections - total vulnerabilities'
+see also common/living.C:fix_player.
+=item I<path_(attuned|repelled|denied)>
+this field modifies the pathes the player is attuned to, see include/spells.h PATH_*
+for the pathes.
+=item I<luck> <number>
+this luck is added to the players I<luck>
+=item I<move_type>
+if the weapon has a I<move_type> set the player inherits it's I<move_type>
+=item I<exp> <number>
+the added_speed and bonus_speed of the player is raised by <number>/3.
+if <number> < 0 then the added_speed is decreased by <number>
+=item I<weight>
+the weight of the weapon
+=item I<magic>
+the I<magic> field affects the amounts of the following fields:
+  - wc : the players wc is adjusted by: player->wc -= (wc + magic)
+  - ac : the players ac is lowered by (ac + magic) if (player->ac + magic) > 0
+  - dam: the players dam is adjusted by: player->dam += (dam + magic)
+  - weapon speed (last_sp): weapon_speed is calculated by: (last_sp * 2 - magic) / 2
+                            (minium is 0)
+=item I<ac> <number>
+the amount of ac points the player's I<ac> is decreased when applying this object.
+=item I<wc> <number>
+the amount of wc points the player's I<wc> is decreased when applying this object.
+=back
+=head4 Player inherits following flags from weapons:
+   FLAG_LIFESAVE
+   FLAG_REFL_SPELL
+   FLAG_REFL_MISSILE
+   FLAG_STEALTH
+   FLAG_XRAYS
+   FLAG_BLIND
+   FLAG_SEE_IN_DARK
+   FLAG_UNDEAD
+=head3 B<GRIMREAPER> - type 28 - Grimreapers
+These type are mostly used for monsters, they give the
+monster the ability to dissapear after 10 hits with AT_DRAIN.
+=over 4
+=item I<value> <number>
+This field stores the hits the monster did yet.
+=back
+=head3 B<CREATOR> - type 42 - Object creators
+Once a creator is activated by a connection it creates a number of objects
+(cloned from it's inventory or a new object derived from the archetype
+named in the other_arch slot).
+If FLAG_LIVESAFE is set the number of uses is unlimited.
+=over 4
+=item I<hp> <number>
+If FLAG_LIVE_SAVE is not set it is the absolute number of times the creator can
+be used.
+=item I<speed> <float>
+If I<speed> is set the creator will create an object periodically,
+see I<speed> and I<speed_left> fields in the general object field description
+for more details.
+=item I<slaying> <string>
+If set the generated object's name and title will be set to this.
+=item I<other_arch> <string>
+If the inventory of the creator is empty new objects will be derived from the
+archetype named by <string>.
+=item I<connected> <identifier>
+See generic object field description.
+=back
+=head3 B<SKILL> - type 43 - Skills
+This type is basically for representing skills in the game.
+=over 4
+=item I<subtype> <skill number>
+=item I<weapontype> <type of tool>
+The type of weapon or ranged item compatible with this skill (For ranged
+and combat attacks).
+=item I<skill> <string>
+The skill identifier used by other items, usually the skill name
+=item I<level> <percentage>
+not used?
+=item I<exp> <number>
+Base amount of experience in a skill, for skills not starting at zero.
+=item I<expmul> <float>
+Experience is multiplied by this factor.
+=back
+=head3 B<DRINK> - type 54 - Drinkable stuff
+See B<FOOD> description.
+=head3 B<CHECK_INV> - type 64 - Inventory checkers
+This object checks whether the player has a specific item in his
+inventory when he moves above the inventory checker. If the player has
+the item (or not, which can be controlled with a flag) a connection will be triggered.
+If you set I<move_block> you can deny players and monsters to reach the space where
+the inventory checker is on, see I<move_block> description below.
+The conditions specified by I<hp>, I<slaying> and I<race> are OR concationated.
+So matching one of those conditions is enough.
+=over 4
+=item I<move_block> <move type bitmask>
+If you set this field to block a movetype the move code will block any moves
+onto the space with the inventory checker, IF the moving object doesn't have
+(or has - if I<last_sp> = 0) the item that the checker is searching for.
+=item I<last_sp> (0|1)
+If I<last_sp> is 1 'having' the item that is being checked for will
+activate the connection or make the space with the checker non-blocking.
+If I<last_sp> is 0 'not having' the item will activate the connection
+or make the space with the checker non-blocking.
+=item I<last_heal> (0|1)
+If I<last_heal> is 1 the matching item will be removed if the inventory checker
+activates a connection and finds the item in the inventory.
+(A inventory checker that blocks a space won't remove anything from inventories)
+=item I<hp> <number>
+If this field is not 0 the inventory checker will search for an object
+with the type id <number>.
+=item I<slaying> <string>
+If this field is set the inventory checker will search for an object that
+has the same string in the I<slaying> field (for example a key string of a key).
+=item I<race> <string>
+If this field is set the inventory checker will search for an object which
+has the archetype name that matches <string>.
+=item I<connected> <identifier>
+This is the connection that will be activated. The connection is
+'pushed' when someone enters the space with the inventory checker,
+and it is 'released' when he leaves it.
+See also the description of the I<connected> field in the generic object
+field section.
+=back
 =head3 B<MOOD_FLOOR> - type 65 - change mood of monsters
 speed == 0 for triggered mood changes, speed != 0 for non-triggered mood
 changes.
                     who triggers the square. This setting
                     is not enabled for continous operation
  5:  'destroy mons' destroy any monsters on this space
  6:  'destroy pets' destroy friendly monsters on this space
-=head3 B<TRANSPORT> - type 2 - Player transports
+=head3 B<FLESH> - type 72 - Organs and body parts
-This type is implemented by the transport extension and has currently no special
-fields that affect it.
-=head3 B<ROD> - type 3 - Rods that fire spells
-Rods contain spells and can be fired by a player.
-=over 4
-=item I<level> <number>
-This field is used for calculating the spell level that can be fired
-with this rod, it's also the maximum level of the spell that can be fired.
-The level of the spell that is being fired depends mostly on
-the 'use magic item' skill level of the player and 1/10 of the level of the
-rod is added as bonus.
-=item I<hp> <number>
-The amount of spellpoints this rod has left.
-=item I<maxhp> <number>
-The maximum amount of spellpoints this rod has.
-=item I<skill> <skill name>
-This field determines which skill you need to apply this object.
-=back
-=head3 B<TREASURE> - type 4 - Treasures
-This type of objects are for random treasure generation in maps.
-If this object is applied by a player it will replace itself with it's
-inventory. If it is automatically applied
-generate a treasure and replace itself with the generated treasure.
-Chests are also of this type, their treasures are generated by
-the auto apply code on map instantiation.
-=over 4
-=item I<hp> <number>
-The number of treasures to generate.
-=item I<exp> <level>
-If FLAG_AUTO_APPLY is not set the exp field has no further meaning
-and the difficulty for the treasurecode only depends on the maps difficulty,
-otherwise the exp field has the following meaning:
-If this field is not 0 it is passed as the difficulty
-to the treasure generation code to determine how good, how much
-worth a treasure is or what bonuses it is given by the treasure code.
-If this field is not set or 0 the difficulty of the map is passed to the treasure
-generation code.
-=item I<randomitems> <treasurelist>
-The treasurelist to use to generate the treasure which is put in the
-treasure objects inventory.
-=back
-=head3 B<POTION> - type 5 - Potions for drinking and other nastynesses
-These objects contain a spell and will emit it on apply, which most
-of the time has the meaning of 'drinking'.
-If no resistancy field, stat field or attacktype is set and no spell
-is put in the potion by the sp field or the randomitems the
-potion will become an artifact and the artifact code decides which kind
-of potion will be generated.
-If the potion has FLAG_CURSED or FLAG_DAMNED set the usage of this potion
-will yield an explosion and hurt the player.
-=over 4
-=item I<Str>, I<Dex>, I<Con>, I<Int>, I<Wis>, I<Cha>, I<Pow> <number>
-These stat fields determine how many stat points the player gets
-when he applies this potion.
-If FLAG_CURSED or FLAG_DAMNED is set the player will loose that many stat points.
-=item I<sp> <number>
-If this field is set and the randomitems field is not set
-the field is interpreted as spell number, please look the right
-number up in common/loader.C.
-If this field is set the randomitems field will be unset by the
-map loading code.
-=item I<attacktype> <attacktype>
-This field has some special meaning in potions, currently the
-bits for AT_DEPLETE and AT_GODPOWER control whethere this is a
-restoration potion or improvement potion.
-See include/attackinc.h for the bits of these types.
-If AT_DEPLETE is set the player will be restored and the ARCH_DEPLETION
-will be removed from him. If the potion has FLAG_CURSED or FLAG_DAMNED
-set the player will be drained a random stat by inserting an ARCH_DEPLETION
-into him.
-If AT_GODPOWER is enabled the player will gain +1 maxvalue in his hp, sp or grace stat.
-When the potion has FLAG_CURSED or FLAG_DAMNED set he will loose one in one of these stats.
-=item I<resist_RESISTANCY> <number>
-If this stat is set and no spell is in the potion the potion
-will create a force that give the player this specific resistancy.
-The forces type will be changed to POTION_EFFECT (see POTION_EFFECT type below)
-and the potion will last 10 times longer than the default force archetype
-FORCE_NAME (at the moment of this writing spell/force.arc).
-=item I<randomitems> <treasurelist>
-The inventory/spell of the potion will be created by calling the treasure code
-with the treasurelist specified here. (I guess it's highly undefined what
-happens if there is not a spell in the potions inventory).
-=item I<on_use_yield> <archetype>
-When this object is applied an instance of <archetype> will be created.
-=item I<subtypes> <potion subtype>
-see include/spells.h for possible potion subtypes, there are currently 4:
-=over 4
-=item POT_SPELL
-Unused, default behaiour of a potion.
-=item POT_DUST
-This potion can be thrown to cast the spell that it has in it's inventory,
-the behaviour is not defined if there is not a B<SPELL> in the inventory and the
-server will log an error.
-=item POT_FIGURINE
-Unused, default behaiour of a potion.
-=item POT_BALM
-Unused, default behaiour of a potion.
-=back
-=back
-=head3 B<FOOD> - type 6 - Eatable stuff
-This is for objects that are representing general eatables like
-beef or bread.
-The main difference between B<FOOD>, B<FLESH> and B<DRINK> is that they
-give different messages.
-The specialty of B<FLESH> is that it inherits the resistancies of the
-monsters it was generated in and will let dragons raise their resistancies
-with that. If the monster has the B<POISON> attacktype the B<FLESH>
-will change into B<POISON>.
-If a player runs low on food he will grab for B<FOOD>, B<DRINK> and B<POISON>
-and if he doesn't find any of that he will start eating B<FLESH>.
-=over 4
-=item I<title> <string>
-If the food has B<title> set or is cursed it is considered 'special', which
-means that the fields I<Str>, I<Dex>, I<Con>, I<Int>, I<Wis>, I<Pow>,
-I<resist_RESISTANCY>, I<hp> and I<sp> are interpreted and have further effects
-on the player.
-The higher the I<food> field is the longer the improvement of the player lasts
-(except for I<hp> and I<sp>).
-=item I<food> <number>
-This is the amount of food points the player gets when he eats this.
-=item I<on_use_yield> <archetype>
-When this object is applied an instance of <archetype> will be created.
-=back
-=head3 B<POISON> - type 7 - Poisonous stuff
-This type is for objects that can poison the player when he drinks/applies it.
-When applied it will hit the attacked with AT_POISON and will create
-a B<POISONING> object in the one who was hit.
-=over 4
-=item I<level> <number>
-This field affects the propability of poisoning. The higher the level difference
-between the one who is hit and the poision the more propable it is the attacked
-one will be poisoned.
-=item I<slaying> <race>
-This field has the usual meaning of 'slaying', when the
-poisoned's race matches the I<slaying> field the damage done by the poison
-is multiplied by 3.
-=item I<hp> <number>
-This is the amount of damage the player will receive from applying this.  The
-attacktype AT_POISON will be used to hit the player and the damage will
-determine the strenght, duration and depletion of stats of the poisoning.  The
-created B<POISONING> object which is being placed in the one who was attacked will
-get the damage from this field (which is maybe adjusted by slaying or the
-resistancies).
-=item I<food> <number>
-1/4 of <number> will be drained from the players I<food>.
-=item I<on_use_yield> <archetype>
-When this object is applied an instance of <archetype> will be created.
-=back
-=head3 B<BOOK> - type 8 - Readable books
-This type is basically for representing text books in the game.
-Reading a book also identifys it (if FLAG_NO_SKILL_IDENT is not set).
-=over 4
-=item I<msg> <text>
-This is the contents of the book. When this field is unset
-at treasure generation a random text will be inserted.
-=item I<skill> <skill name>
-The skill required to read this book. (The most resonable
-skill would be literacy).
-=item I<exp> <number>
-The experience points the player get for reading this book.
-=item I<subtype> <readable subtype>
-This field determines the type of the readable.
-Please see common/readable.C in the readable_message_types table.
-=back
-=head3 B<CLOCK> - type 9 - Clocks
-This type of objects just display the time when being applied.
-=head3 B<LIGHTNING> - type 12 - Lightnings (DEPRECATED: see B<SPELL_EFFECT> subtype SP_BOLT)
-This is a spell effect of a moving bolt. It moves straigt forward
-through the map until something blocks it.
-If FLAG_REFLECTING is set it even reflects on walls.
-FLAG_IS_TURNABLE should be set on these objects.
-=over 4
-=item I<move_type> <movetype>
-This field affects the move type with which the lightning moves through
-the map and which map cells will reflect or block it.
-=item I<attacktype> <attacktype>
-The attacktype with which it hits the objects on the map.
-=item I<dam> <number>
-The damage this bolt inflicts when it hits objects on the map.
-=item I<Dex> <number>
-This is the fork percentage, it is reduced by 10 per fork.
-And the I<dam> field is halved on each fork.
-=item I<Con> (internal)
-This value is a percentage of which the forking lightning
-is deflected to the left. This value should be mostly used internally.
-=item I<duration> <number>
-The duration the bolt stays on a map cell. This field is decreased each time
-the object is processed (see the meaning of I<speed> and I<speed_left> fields in
-the generic object field description).
-=item I<range> <number>
-This is the range of the bolt, each space it advances this field is decreased.
-=back
-=head3 B<ARROW> - type 13 - Arrows
-This is the type for objects that represent projectiles like arrows.
-The movement of B<THROWN_OBJ>s behave similar to this type.
-Flying arrows are stopped either when they hit something blocking
-(I<move_block>) or something which is alive.
-If it hits something that is alive, which doesn't have FLAG_REFL_MISSILE
-set, it will inflict damage. If FLAG_REFL_MISSILE is set it will inflict
-damage with a small chance which is affected by the I<level> field of the arrow.
-If FLAG_REFLECTING is set on the arrow it will bounce off everything
-that is not alive and blocks it's movement.
-When an arrow is being shot it's I<dam>, I<wc>, I<attacktype>, I<slaying>
-fields will be saved in the I<sp>, I<hp>, I<grace> and I<spellarg> fields of
-the object, to restore them once the arrow has been stopped.
-=over 4
-=item I<dam> <number>
-The amount of damage that is being done to the victim that gets hit.
-This field is recomputed when the arrow is fired and will consist
-of the sum of a damage bonus (see description of the B<BOW> type),
-the arrows I<dam> field, the bows I<dam> field, the bows I<magic> field
-and the arrows I<magic> field.
-=item I<wc> <number>
-The weapon class of the arrow, which has effect on the propability of hitting.
-It is recomputed when the arrow is being fired by this formula:
-  wc = 20 - bow->magic - arrow->magic - (skill->level or shooter->level)
-          - dex_bonus - thaco_bonus - arrow->stats.wc - bow->stats.wc + wc_mod
-When the arrow is not being shot by an player dex_bonus and thaco_bonus and the
-level is not added.
-wc_mod is dependend on the fire mode of the bow.  For a more detailed
-explanation of dex_bonus, thaco_bonus and wc_mod please consult the code.
-=item I<magic> <number>
-This field is added to the damage of the arrow when it is shot and
-will also improve it's I<speed> by 1/5 of it's value.
-=item I<attacktype> <attacktype>
-Bitfield which decides the attacktype of the damage, see include/attackinc.h
-On fireing the I<attacktype> of the bow is added to the arrows I<attacktype>.
-=item I<level> <number> (interally used)
-The level of the arrow, this affects the propability of piercing FLAG_REFL_MISSILE,
-see above in the B<ARROW> description.
-The I<level> is set when the arrow is fired to either the skill level or the
-shooters level.
-=item I<speed> <number> (internal)
-This field shouldn't be set directly in the archetype, the arrow will get it's
-I<speed> from the bow.  This fields value has to be at least 0.5 or otherwise the
-arrow will be stopped immediatly.
-On fireing the I<speed> of the arrow is computed of 1/5 of the
-sum of the damage bonus (see BOW), bow I<magic> and arrow I<magic>. After that 1/7
-of the bows I<dam> field is added to the I<speed> of the arrow.
-The minimum I<speed> of an arrow is 1.0.
-While flying the arrows I<speed> is decreased by 0.05 each time it's moved.
-If the I<speed> is above 10.0 it goes straight through the creature it hits and
-it's I<speed> is reduced by 1. If the I<speed> is lower or equal 10.0 the arrow is
-stopped and either sticked into the victim (see I<weight> field description) or
-put on it's map square (if it didn't break, see description of the I<food> field).
-=item I<weight> <number>
-This field is the weight of the arrow, if I<weight> is below or equal 5000 (5 kg)
-the arrow will stick in the victim it hits. Otherwise it will fall to the ground.
-=item I<food> <number>
-The breaking percentage. 100 (%) means: breaks on usage for sure.
-=item I<inventory> (internal)
-If the flying/moving object has something in it's inventory and it stops, it
-will be replaced with it's inventory. Otherwise it will be handled as usual,
-which means: it will be calculated whether the arrow breaks and it will be
-reset for reuse.
-=item I<slaying> <string>
-When the bow that fires this arrow has it's I<slaying> field set it is copied
-to the arrows I<slaying> field. Otherwise the arrows I<slaying> field remains.
-=item I<move_type> <movetype> (internally used)
-This field is set when the arrow is shot to MOVE_FLY_LOW.
-=item I<move_on> <movetype> (internally used)
-This field is set when the arrow is shot to MOVE_FLY_LOW and MOVE_WALK.
-=item I<race> <string>
-The I<race> field is a unique key that assigns arrows, bows and quivers. When
-shooting an arrow the bows I<race> is used to search for arrows (which have the
-same I<race> as the bow) in the players inventory and will recursively search in
-the containers (which are applied and have the same I<race> as the bow and the arrow).
-=back
-=head3 B<BOW> - type 14 - Bows, those that fire B<ARROW>s
-TODO, but take into account B<ARROW> description above!
-=head3 B<WEAPON> - type 15 - Weapons
-This type is for general hack and slash weapons like swords, maces
-and daggers and and ....
-=over 4
-=item I<weapontype> <type id>
-decides what attackmessages are generated, see include/define.h
-=item I<attacktype> <bitmask>
-bitfield which decides the attacktype of the damage, see include/attackinc.h
-=item I<dam> <number>
-amount of damage being done with the attacktype
-=item I<item_power> <level>
-the itempower of this weapon.
-=item I<name>
-the name of the weapon.
-=item I<level> (internal)
-The improvement state of the weapon.
-If this field is greater than 0 the I<name> field starts with the
-characters name who improved this weapon.
-=item I<last_eat> (internal)
-This seems to be the amount of improvements of a weapon,
-the formular for equipping a weapon seems to be (server/apply.C:check_weapon_power):
-  ((who->level / 5) + 5) >= op->last_eat
-=item I<last_sp>
-the weapon speed (see magic description)
-=item I<food> <number>
-addition to food regeneration of the player
-=item I<hp> <number>
-addition to health regeneration
-=item I<sp> <number>
-addition to mana regeneration
-=item I<grace> <number>
-addititon to grace regeneration
-=item I<gen_sp_armour> <number>
-the players I<gen_sp_armour> field (which is per default 10) is being added the
-<number> amount.  gen_sp_armour seems to be a factor with which gen_sp in
-do_some_living() is multiplied:  gen_sp *= 10/<number> meaning: values > 10 of
-I<gen_sp_armour> limits the amout of regenerated spellpoints.
-Generally this field on weapons is in ranges of 1-30 and decides the slowdown of the
-I<sp> regeneration.
-=item I<body_BODYSLOT>
-The part of the body you need to use this weapon, possible values should be
-looked up in common/item.C at body_locations.
-=item I<resist_RESISTNACY> <number>
-this is the factor with which the difference of the players resistancy and 100%
-is multiplied, something like this:
-   additional_resistancy = (100 - current_resistanct) * (<number>/100)
-if <number> is negative it is added to the total vulnerabilities,
-and later the total resistance is decided by:
-  'total resistance = total protections - total vulnerabilities'
-see also common/living.C:fix_player
-=item I<path_(attuned|repelled|denied)>
-this field modifies the pathes the player is attuned to, see include/spells.h PATH_*
-for the pathes.
-=item I<luck> <number>
-this luck is added to the players I<luck>
-=item I<move_type>
-if the weapon has a I<move_type> set the player inherits it's I<move_type>
-=item I<exp> <number>
-the added_speed and bonus_speed of the player is raised by <number>/3.
-if <number> < 0 then the added_speed is decreased by <number>
-=item I<weight>
-the weight of the weapon
-=item I<magic>
-the I<magic> field affects the amounts of the following fields:
-  - wc : the players wc is adjusted by: player->wc -= (wc + magic)
-  - ac : the players ac is lowered by (ac + magic) if (player->ac + magic) > 0
-  - dam: the players dam is adjusted by: player->dam += (dam + magic)
-  - weapon speed (last_sp): weapon_speed is calculated by: (last_sp * 2 - magic) / 2
-                            (minium is 0)
-=item I<ac> <number>
-the amount of ac points the player's I<ac> is decreased when applying this object.
-=item I<wc> <number>
-the amount of wc points the player's I<wc> is decreased when applying this object.
-=back
-=head4 Player inherits following flags from weapons:
-   FLAG_LIFESAVE
-   FLAG_REFL_SPELL
-   FLAG_REFL_MISSILE
-   FLAG_STEALTH
-   FLAG_XRAYS
-   FLAG_BLIND
-   FLAG_SEE_IN_DARK
-   FLAG_UNDEAD
-=head3 B<GRIMREAPER> - type 28 - Grimreapers
-These type are mostly used for monsters, they give the
-monster the ability to dissapear after 10 hits with AT_DRAIN.
-=over 4
-=item I<value> <number>
-This field stores the hits the monster did yet.
-=back
-=head3 B<CREATOR> - type 42 - Object creators
-Once a creator is activated by a connection it creates a number of objects
-(cloned from it's inventory or a new object derived from the archetype
-named in the other_arch slot).
-If FLAG_LIVESAFE is set the number of uses is unlimited.
-=over 4
-=item I<hp> <number>
-If FLAG_LIVE_SAVE is not set it is the absolute number of times the creator can
-be used.
-=item I<speed> <number>
-If I<speed> is set the creator will create an object periodically,
-see I<speed> and I<speed_left> fields in the general object field description
-for more details.
-=item I<slaying> <string>
-If set the generated object's name and title will be set to this.
-=item I<other_arch> <string>
-If the inventory of the creator is empty new objects will be derived from the
-archetype named by <string>.
-=item I<connected> <number>
-See generic object field description.
-=back
-=head3 B<DRINK> - type 54 - Drinkable stuff
 See B<FOOD> description.
-=head3 B<CHECK_INV> - type 64 - Inventory checkers
-This object checks whether the player has a specific item in his
-inventory when he moves above the inventory checker. If the player has
-the item (or not, which can be controlled with a flag) a connection will be triggered.
-If you set I<move_block> you can deny players and monsters to reach the space where
-the inventory checker is on, see I<move_block> description below.
-The conditions specified by I<hp>, I<slaying> and I<race> are OR concationated.
-So matching one of those conditions is enough.
-=over 4
-=item I<move_block> <move type bitmask>
-If you set this field to block a movetype the move code will block any moves
-onto the space with the inventory checker, IF the moving object doesn't have
-(or has - if I<last_sp> = 0) the item that the checker is searching for.
-=item I<last_sp> (0|1)
-If I<last_sp> is 1 'having' the item that is being checked for will
-activate the connection or make the space with the checker non-blocking.
-If I<last_sp> is 0 'not having' the item will activate the connection
-or make the space with the checker non-blocking.
-=item I<last_heal> (0|1)
-If I<last_heal> is 1 the matching item will be removed if the inventory checker
-activates a connection and finds the item in the inventory.
-(A inventory checker that blocks a space won't remove anything from inventories)
-=item I<hp> <number>
-If this field is not 0 the inventory checker will search for an object
-with the type id <number>.
-=item I<slaying> <string>
-If this field is set the inventory checker will search for an object that
-has the same string in the I<slaying> field (for example a key string of a key).
-=item I<race> <string>
-If this field is set the inventory checker will search for an object which
-has the archetype name that matches <string>.
-=item I<connected> <connection id>
-This is the connection that will be activated. The connection is
-'pushed' when someone enters the space with the inventory checker,
-and it is 'released' when he leaves it.
-See also the description of the I<connected> field in the generic object field
-section.
-=back
-=head3 B<FLESH> - type 72 - Organs and body parts
-See B<FOOD> description.
 =head3 B<MISC_OBJECT> - type 79 - Misc. objects
 A type for any object that has no special behaviour.
-=head3 B<LAMP> - type 82 - A lamp
-This object represents a lamp, that can be carried and switched
-on and off and has a certain amount of fuel in it.
-A lamp consists of two archetypes: the 'on' archetype and the 'off' archetype.
-Each of them should point at the other one with it's I<other_arch> field.
-See the I<other_arch> field for the behaviour of a lamp object when it is applied.
-If this object has FLAG_IS_LIGHTABLE set the lamp can be turned on and off
-with a B<LIGHTER>, see also the description of FLAG_IS_LIGHTABLE.
-=over 4
-=item I<glow_radius> <number>
-The radius of the light that the lamp emits, see also I<glow_radius> in the
-generic object flags description.
-=item I<speed> <number>
-If FLAG_CHANGING is set the I<speed> field will indicate how fast the
-lamp burns it's fuel (I<food>).
-Setting FLAG_CHANGING makes only sense on the archetype which represents
-the 'on' state of the lamp.
-See also the description of FLAG_CHANGING.
-Lamps which have no FLAG_CHANGING set would also make sense and represent
-lamps that never burn up.
-=item I<other_arch> <number>
-This is the field that points to the 'other' archetype which represents the
-opposite state of the lamp. The newly from I<other_arch> derived object will
-replace the current object and will get the value of I<food> of the replaced object.
-Rationale:
-When the lamp (on) is applied a new object is derived from the archetype
-in I<other_arch> and the I<food> value is copied to it ('the fuel is
-transferred'). The new lamp (off) object has to have a I<other_arch> field
-which points to the archetype from which a lamp (on) can be derived.
-=item I<food> <number>
-This fields stands for the fuel of the lamp.
-=back
 =head3 B<DUPLICATOR> - type 83 - Duplicators or: Multiplicators
 This type of objects multiplies objects that are above it when it is activated.
 You can even multiply by 0, which will destroy the object.
 =item I<other_arch> <string>
 The archetype name of the objects that should be multiplied.
-=item I<connected> <number>
+=item I<connected> <identifier>
 See generic object field description.
 =back
 when the connection is activated. This field only has effect when the
 connection is triggered. So if you put a closed hole on a map, and the
 connection is deactivated, and I<maxsp> is 1 the hole will remain closed until the
 connection was triggered once.
-=item I<connected> <connection id>
+=item I<connected> <identifier>
 This is the connection id, which lets the hole opening or closing when
 activated. The flags FLAG_ACTIVATE_ON_PUSH and FLAG_ACTIVATE_ON_RELEASE control
 at which connection state the object is activated.

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Comparing deliantra/server/pod/objects.pod (file contents):
Revision 1.19 by root, Mon Jan 29 15:22:24 2007 UTC vs.
Revision 1.36 by root, Fri Mar 26 20:30:32 2010 UTC