NPC Perception Design

See Behaviors_and_Reactions for User details about how to use Perceptions in the behavior.xml file.

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This embodies any perception an NPC might have, or any game event of interest. Reaction objects below will subscribe to these events, and the networking system will publish them. Examples would be "attacked", "collided", "talked to", "hear cry".

NPC Perceptions

Class Hierarchy

The Perception class is used for simple perception and as the Base Class for a number of special perceptions.

Special Perceptions:

• TimePerception
• FactionPerception
• ItemPerception
• LocationPerception
• PositionPerception
• AttackPerception
• GroupAttackPerception
• DamagePerception
• SpellPerception
• DeathPerception
• InventoryPerception
• OwnerCmdPerception
• OwnerActionPerception
• NPCCmdPerception

Sequences

Personal NPC Perceptions Sequence

Show the typical sequence for a Perception fired for a NPC, might be perceptions like Damage Perception.

Broadcast NPC Perceptions Sequence

Show the typical sequence for a broadcasted Perception. Examples of broadcasted perceptions is the SpellPerception.

Special cases

Perceptions used from locate operation

The Locate Operation can locate objects of type perception. This only make sense for perceptions that has an actual position. Either a physical position that can be provided through the GetLocate or an target that the default implementation of the GetLocate could use to get the position of the target. In this case the perception need to implement the GetTarget.