rpg-combat-pi-01/user-stories.md

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# RPG Combat
This is a description of the business rules we should support in the game engine.
## Damage and Health ✅ DONE
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 ✅ DONE
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.
- A Character can only use a Magical Weapon they own
- 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