# RPG Combat

This is a description of the business rules we should support in the game engine.

## Damage and Health

1. All Characters, when created, have:
   - Health, starting at 1000
   - May be Alive or Dead, starting Alive

2. Characters can Deal Damage to Characters.
   - Damage is subtracted from Health
   - When damage received exceeds current Health, Health becomes 0 and the character dies
   - A Character cannot Deal Damage to itself

3. A Character can Heal themselves.
   - Dead characters cannot heal

## Levels

1. All characters have a Level, starting at 1
   - A Character cannot have a health above 1000 until they reach level 6, when the maximum increases to 1500

2. When dealing damage:
   - If the target is 5 or more Levels above the attacker, Damage is reduced by 50%
   - If the target is 5 or more Levels below the attacker, Damage is increased by 50%

## Factions

1. Characters may belong to one or more Factions.
   - Newly created Characters belong to no Faction.

2. A Character may Join or Leave one or more Factions.

3. Players belonging to the same Faction are considered Allies.
   - Allies cannot Deal Damage to one another.
   - Allies can Heal one another and non-allies cannot.

## Magical objects

1. As well as Characters there are also Magical Objects
   - Magical Objects have Health
   - The maximum amount of Health is fixed at the time the object is created
   - When reduced to 0 Health, Magical Objects are _Destroyed_
   - Magical Objects cannot be Healed by Characters
   - Magical Objects do not belong to Factions; they are neutral

2. Characters can gain health from a Healing Magical Object.
   - Characters can gain any amount of health from the Object, up to its maximum and theirs
   - Healing Magical Objects cannot deal Damage

3. Characters can deal Damage by using a Magical Weapon.
   - These Magical Objects deal a fixed amount of damage when they are used
   - The amount of damage is fixed at the time the weapon is created
   - Every time the weapon is used, the Health is reduced by 1
   - Magical Weapons cannot give Health to a Character

## Changing level

1. Level 1 Characters that survive 1000 damage points gain a level, (this may be counted over several battles)
   - a character cannot gain a level while receiving damage, it happens directly afterwards (if the player is still alive)
   - Level 2 Characters need to survive an additional 2000 damage points to gain a level, Level 3 Characters need to survive an additional 3000, and so on.

2. Level 1 Characters that have ever been part of 3 distinct factions gain a level
   - Level 2 Characters need to join an additional 3 distinct factions to gain a level, Level 3 Characters need to join an additional 3, and so on.

3. The maximum Level for Characters is 10
   - Characters cannot lose a level they have gained