Table of Contents

Chapter 1. Getting Started

• About HSM
• Benefits of using HSM
• License
• Installation
  • Build Environment
  • Configuration
  • RTTI
• Tools
  • plotHsm
• Book Samples

Chapter 2. The Basics

• Introduction
• The Simplest State Machine
• States and Transitions
• Improving Readability
• State OnEnter and OnExit
  • OnEnter/OnExit vs Constructor/Destructor
• ProcessStateTransitions
• UpdateStates
• Ownership
  • Basic Usage
  • Easier Owner Access
  • Accessing Owner's Private Members
• Storing Data

Chapter 3. The H in HSM

• Introduction
• Why Use Hierarchical State Machines?
• Drawing HSMs
• Inner and Outer States
• The State Stack
• InnerEntry Transitions
  • Inners and Trace Output
• Inner Transitions
• State Stack Queries
• ProcessStateTransitions Revisited
  • Algorithm
  • Rationale
  • Implications
• UpdateStates Revisited

Chapter 4. Advanced Techniques

• Introduction
• StateValue
  • Without StateValue
  • With StateValue
  • How does it work?
  • Initializing StateValues
  • Reading StateValues
  • Modifying StateValues
  • When to modify StateValues
• State Arguments
• Storing Data on Cluster Root State
• Restarting States
• Selector States
• Done States
• Sharing Functions Across States
• Deferred Transitions
• Reusable States
• Sharing HSMs
  • Sharing states with unrelated owners
  • Sharing states with related owners
• Sharing State Machines (State Overrides)
• Parallel State Machines

Chapter 5. Best Practices

• Introduction
• Prefer InnerEntry + Sibling to Inner
• Nest state-related variables as deeply as possible
• Clean up in cluster root state
• Avoid state stack queries outside of states
• Make each state machine update count