--- key: resource/state-pattern type: resource id: state-pattern lang: en title: 'State: Game Programming Patterns' summary: 'The author’s chapter on finite state machines, states, and transitions.' updatedAt: null status: active url: 'https://gamemechanics.pro/en/resources/#resource-state-pattern' jsonUrl: 'https://gamemechanics.pro/api/v1/knowledge/en/resource/state-pattern.json' markdownUrl: 'https://gamemechanics.pro/content/knowledge/en/resource/state-pattern.md' aliases: [] tags: - book - '' - foundations sourceIds: - source-3817d420df0baa92 sources: - id: source-3817d420df0baa92 title: 'State: Game Programming Patterns' url: >- https://github.com/munificent/game-programming-patterns/blob/master/book/state.markdown verifiedAt: null relations: - type: uses direction: incoming label: Used in these materials key: lesson/state-machines title: States and transitions url: 'https://gamemechanics.pro/en/lessons/state-machines/' jsonUrl: 'https://gamemechanics.pro/api/v1/knowledge/en/lesson/state-machines.json' markdownUrl: 'https://gamemechanics.pro/content/knowledge/en/lesson/state-machines.md' - type: uses direction: incoming label: Used in these materials key: catalog/activity-simulators title: Activity and profession simulators url: 'https://gamemechanics.pro/en/mechanics/activity-simulators/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/catalog/activity-simulators.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/catalog/activity-simulators.md - type: uses direction: incoming label: Used in these materials key: mechanic/activity-simulators--t127 title: 'Farming, gardening and animal husbandry' url: 'https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t127/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/activity-simulators--t127.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/activity-simulators--t127.md - type: uses direction: incoming label: Used in these materials key: mechanic/activity-simulators--t128 title: 'Cooking, recipes and kitchen work' url: 'https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t128/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/activity-simulators--t128.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/activity-simulators--t128.md - type: uses direction: incoming label: Used in these materials key: mechanic/activity-simulators--t129 title: 'Fishing, hunting and harvesting trades' url: 'https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t129/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/activity-simulators--t129.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/activity-simulators--t129.md - type: uses direction: incoming label: Used in these materials key: mechanic/activity-simulators--t131 title: 'Cleaning, sorting and restoration' url: 'https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t131/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/activity-simulators--t131.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/activity-simulators--t131.md - type: uses direction: incoming label: Used in these materials key: mechanic/activity-simulators--t132 title: 'Construction, earthmoving and machinery' url: 'https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t132/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/activity-simulators--t132.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/activity-simulators--t132.md - type: uses direction: incoming label: Used in these materials key: mechanic/activity-simulators--t133 title: 'Medicine, rescue and emergency services' url: 'https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t133/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/activity-simulators--t133.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/activity-simulators--t133.md - type: uses direction: incoming label: Used in these materials key: mechanic/activity-simulators--t134 title: Technical incident investigation url: 'https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t134/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/activity-simulators--t134.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/activity-simulators--t134.md - type: uses direction: incoming label: Used in these materials key: mechanic/activity-simulators--t135 title: 'Document checks, inspections and control' url: 'https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t135/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/activity-simulators--t135.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/activity-simulators--t135.md - type: uses direction: incoming label: Used in these materials key: mechanic/activity-simulators--t136 title: 'Delivery, dispatching and customer service' url: 'https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t136/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/activity-simulators--t136.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/activity-simulators--t136.md - type: uses direction: incoming label: Used in these materials key: mechanic/activity-simulators--t137 title: Scientific experiments and instruments url: 'https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t137/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/activity-simulators--t137.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/activity-simulators--t137.md - type: uses direction: incoming label: Used in these materials key: mechanic/activity-simulators--t138 title: 'Business, office and bureaucracy simulators' url: 'https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t138/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/activity-simulators--t138.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/activity-simulators--t138.md - type: uses direction: incoming label: Used in these materials key: catalog/melee-combat title: Melee and combat systems url: 'https://gamemechanics.pro/en/mechanics/melee-combat/' jsonUrl: 'https://gamemechanics.pro/api/v1/knowledge/en/catalog/melee-combat.json' markdownUrl: 'https://gamemechanics.pro/content/knowledge/en/catalog/melee-combat.md' - type: uses direction: incoming label: Used in these materials key: mechanic/melee-combat--t011 title: Hand-to-hand combat and beat ’em ups url: 'https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t011/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/melee-combat--t011.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/melee-combat--t011.md - type: uses direction: incoming label: Used in these materials key: mechanic/melee-combat--t012 title: Fighting games and duels url: 'https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t012/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/melee-combat--t012.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/melee-combat--t012.md - type: uses direction: incoming label: Used in these materials key: mechanic/melee-combat--t013 title: Combos and character action url: 'https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t013/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/melee-combat--t013.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/melee-combat--t013.md - type: uses direction: incoming label: Used in these materials key: mechanic/melee-combat--t014 title: Soulslikes and stamina management url: 'https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t014/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/melee-combat--t014.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/melee-combat--t014.md - type: uses direction: incoming label: Used in these materials key: mechanic/melee-combat--t015 title: Hack and slash url: 'https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t015/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/melee-combat--t015.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/melee-combat--t015.md - type: uses direction: incoming label: Used in these materials key: mechanic/melee-combat--t016 title: 'Blocking, parrying and counterattacks' url: 'https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t016/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/melee-combat--t016.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/melee-combat--t016.md - type: uses direction: incoming label: Used in these materials key: mechanic/melee-combat--t017 title: 'Grapples, throws and wrestling' url: 'https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t017/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/melee-combat--t017.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/melee-combat--t017.md - type: uses direction: incoming label: Used in these materials key: mechanic/melee-combat--t018 title: Crowd combat and space control url: 'https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t018/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/melee-combat--t018.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/melee-combat--t018.md - type: uses direction: incoming label: Used in these materials key: mechanic/melee-combat--t020 title: 'Breakable parts, injuries and conditions' url: 'https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t020/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/melee-combat--t020.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/melee-combat--t020.md - type: uses direction: incoming label: Used in these materials key: catalog/progression-rewards title: 'Progression, rewards and retention' url: 'https://gamemechanics.pro/en/mechanics/progression-rewards/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/catalog/progression-rewards.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/catalog/progression-rewards.md - type: uses direction: incoming label: Used in these materials key: mechanic/progression-rewards--t240 title: Unlocking abilities and expanding available actions url: 'https://gamemechanics.pro/en/knowledge/mechanic/progression-rewards--t240/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/progression-rewards--t240.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/progression-rewards--t240.md - type: uses direction: incoming label: Used in these materials key: mechanic/progression-rewards--t241 title: 'Collections, albums and set completion' url: 'https://gamemechanics.pro/en/knowledge/mechanic/progression-rewards--t241/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/progression-rewards--t241.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/progression-rewards--t241.md - type: uses direction: incoming label: Used in these materials key: mechanic/progression-rewards--t242 title: 'Achievements, challenges and mastery' url: 'https://gamemechanics.pro/en/knowledge/mechanic/progression-rewards--t242/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/progression-rewards--t242.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/progression-rewards--t242.md - type: uses direction: incoming label: Used in these materials key: mechanic/progression-rewards--t243 title: 'Loot, rarity and reward distribution' url: 'https://gamemechanics.pro/en/knowledge/mechanic/progression-rewards--t243/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/progression-rewards--t243.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/progression-rewards--t243.md - type: uses direction: incoming label: Used in these materials key: mechanic/progression-rewards--t244 title: 'Idle, incremental and offline progress' url: 'https://gamemechanics.pro/en/knowledge/mechanic/progression-rewards--t244/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/progression-rewards--t244.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/progression-rewards--t244.md - type: uses direction: incoming label: Used in these materials key: mechanic/progression-rewards--t245 title: 'Prestige, resets and renewed progression' url: 'https://gamemechanics.pro/en/knowledge/mechanic/progression-rewards--t245/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/progression-rewards--t245.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/progression-rewards--t245.md - type: uses direction: incoming label: Used in these materials key: catalog/role-playing-systems title: Role-playing systems url: 'https://gamemechanics.pro/en/mechanics/role-playing-systems/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/catalog/role-playing-systems.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/catalog/role-playing-systems.md - type: uses direction: incoming label: Used in these materials key: mechanic/role-playing-systems--t049 title: Character creation and attribute allocation url: >- https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t049/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/role-playing-systems--t049.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/role-playing-systems--t049.md - type: uses direction: incoming label: Used in these materials key: mechanic/role-playing-systems--t050 title: 'Classes, specializations and role switching' url: >- https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t050/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/role-playing-systems--t050.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/role-playing-systems--t050.md - type: uses direction: incoming label: Used in these materials key: mechanic/role-playing-systems--t051 title: Builds and ability synergies url: >- https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t051/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/role-playing-systems--t051.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/role-playing-systems--t051.md - type: uses direction: incoming label: Used in these materials key: mechanic/role-playing-systems--t052 title: Party roles and team composition url: >- https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t052/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/role-playing-systems--t052.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/role-playing-systems--t052.md - type: uses direction: incoming label: Used in these materials key: mechanic/role-playing-systems--t053 title: 'Equipment, affixes and item sets' url: >- https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t053/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/role-playing-systems--t053.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/role-playing-systems--t053.md - type: uses direction: incoming label: Used in these materials key: mechanic/role-playing-systems--t054 title: 'Status effects, elements and resistances' url: >- https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t054/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/role-playing-systems--t054.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/role-playing-systems--t054.md - type: uses direction: incoming label: Used in these materials key: mechanic/role-playing-systems--t055 title: Learning skills through use url: >- https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t055/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/role-playing-systems--t055.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/role-playing-systems--t055.md - type: uses direction: incoming label: Used in these materials key: mechanic/role-playing-systems--t057 title: 'Reputation, factions and alignment' url: >- https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t057/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/role-playing-systems--t057.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/role-playing-systems--t057.md - type: uses direction: incoming label: Used in these materials key: mechanic/role-playing-systems--t058 title: 'Quests, contracts and consequences' url: >- https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t058/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/role-playing-systems--t058.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/role-playing-systems--t058.md - type: uses direction: incoming label: Used in these materials key: catalog/run-structures title: Roguelikes and run structure url: 'https://gamemechanics.pro/en/mechanics/run-structures/' jsonUrl: 'https://gamemechanics.pro/api/v1/knowledge/en/catalog/run-structures.json' markdownUrl: 'https://gamemechanics.pro/content/knowledge/en/catalog/run-structures.md' - type: uses direction: incoming label: Used in these materials key: mechanic/run-structures--t060 title: Traditional turn-based roguelikes url: 'https://gamemechanics.pro/en/knowledge/mechanic/run-structures--t060/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/run-structures--t060.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/run-structures--t060.md - type: uses direction: incoming label: Used in these materials key: mechanic/run-structures--t061 title: Action roguelikes url: 'https://gamemechanics.pro/en/knowledge/mechanic/run-structures--t061/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/run-structures--t061.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/run-structures--t061.md - type: uses direction: incoming label: Used in these materials key: mechanic/run-structures--t062 title: Survivor-likes and automatic attacks url: 'https://gamemechanics.pro/en/knowledge/mechanic/run-structures--t062/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/run-structures--t062.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/run-structures--t062.md - type: uses direction: incoming label: Used in these materials key: mechanic/run-structures--t063 title: Dungeon crawlers and resource attrition url: 'https://gamemechanics.pro/en/knowledge/mechanic/run-structures--t063/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/run-structures--t063.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/run-structures--t063.md - type: uses direction: incoming label: Used in these materials key: catalog/social-cooperation title: Social relationships and shared play url: 'https://gamemechanics.pro/en/mechanics/social-cooperation/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/catalog/social-cooperation.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/catalog/social-cooperation.md - type: uses direction: incoming label: Used in these materials key: mechanic/social-cooperation--t200 title: Caring for pets and dependent characters url: 'https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t200/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/social-cooperation--t200.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/social-cooperation--t200.md - type: uses direction: incoming label: Used in these materials key: mechanic/social-cooperation--t204 title: Asymmetric roles and abilities url: 'https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t204/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/social-cooperation--t204.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/social-cooperation--t204.md - type: uses direction: incoming label: Used in these materials key: mechanic/social-cooperation--t206 title: 'Rescue, support and shared responsibility' url: 'https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t206/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/social-cooperation--t206.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/social-cooperation--t206.md - type: uses direction: incoming label: Used in these materials key: mechanic/social-cooperation--t207 title: 'Betrayal, coalitions and temporary alliances' url: 'https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t207/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/social-cooperation--t207.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/social-cooperation--t207.md - type: uses direction: incoming label: Used in these materials key: mechanic/social-cooperation--t198 title: Social simulations and everyday life url: 'https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t198/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/social-cooperation--t198.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/social-cooperation--t198.md - type: uses direction: incoming label: Used in these materials key: mechanic/social-cooperation--t202 title: Social deduction and hidden roles url: 'https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t202/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/social-cooperation--t202.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/social-cooperation--t202.md - type: uses direction: incoming label: Used in these materials key: mechanic/social-cooperation--t208 title: 'Party games, trivia and collective guessing' url: 'https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t208/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/social-cooperation--t208.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/social-cooperation--t208.md - type: uses direction: incoming label: Used in these materials key: catalog/stealth-infiltration title: 'Stealth, infiltration and escape' url: 'https://gamemechanics.pro/en/mechanics/stealth-infiltration/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/catalog/stealth-infiltration.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/catalog/stealth-infiltration.md - type: uses direction: incoming label: Used in these materials key: mechanic/stealth-infiltration--t031 title: 'Visibility, noise and detection' url: >- https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t031/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/stealth-infiltration--t031.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/stealth-infiltration--t031.md - type: uses direction: incoming label: Used in these materials key: mechanic/stealth-infiltration--t032 title: 'Suspicion, alerts and searching' url: >- https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t032/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/stealth-infiltration--t032.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/stealth-infiltration--t032.md - type: uses direction: incoming label: Used in these materials key: mechanic/stealth-infiltration--t033 title: Hiding bodies and traces url: >- https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t033/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/stealth-infiltration--t033.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/stealth-infiltration--t033.md - type: uses direction: incoming label: Used in these materials key: mechanic/stealth-infiltration--t034 title: Disguises and social infiltration url: >- https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t034/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/stealth-infiltration--t034.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/stealth-infiltration--t034.md - type: uses direction: incoming label: Used in these materials key: mechanic/stealth-infiltration--t035 title: 'Lures, distractions and sabotage' url: >- https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t035/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/stealth-infiltration--t035.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/stealth-infiltration--t035.md - type: uses direction: incoming label: Used in these materials key: mechanic/stealth-infiltration--t036 title: 'Tailing, reconnaissance and counter-surveillance' url: >- https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t036/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/stealth-infiltration--t036.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/stealth-infiltration--t036.md - type: uses direction: incoming label: Used in these materials key: mechanic/stealth-infiltration--t037 title: Heists and coordinated infiltration url: >- https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t037/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/stealth-infiltration--t037.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/stealth-infiltration--t037.md - type: uses direction: incoming label: Used in these materials key: mechanic/stealth-infiltration--t038 title: 'Escape, chases and evading pursuit' url: >- https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t038/ jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/stealth-infiltration--t038.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/stealth-infiltration--t038.md - type: uses direction: incoming label: Used in these materials key: catalog/systemic-worlds title: 'Systemic worlds, randomness and NPC behavior' url: 'https://gamemechanics.pro/en/mechanics/systemic-worlds/' jsonUrl: 'https://gamemechanics.pro/api/v1/knowledge/en/catalog/systemic-worlds.json' markdownUrl: 'https://gamemechanics.pro/content/knowledge/en/catalog/systemic-worlds.md' - type: uses direction: incoming label: Used in these materials key: mechanic/systemic-worlds--t260 title: Systemic interactions and immersive sims url: 'https://gamemechanics.pro/en/knowledge/mechanic/systemic-worlds--t260/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/systemic-worlds--t260.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/systemic-worlds--t260.md - type: uses direction: incoming label: Used in these materials key: mechanic/systemic-worlds--t262 title: 'Physical materials, deformation and destruction' url: 'https://gamemechanics.pro/en/knowledge/mechanic/systemic-worlds--t262/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/systemic-worlds--t262.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/systemic-worlds--t262.md - type: uses direction: incoming label: Used in these materials key: mechanic/systemic-worlds--t263 title: 'Ecology, food chains and environmental recovery' url: 'https://gamemechanics.pro/en/knowledge/mechanic/systemic-worlds--t263/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/systemic-worlds--t263.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/systemic-worlds--t263.md - type: uses direction: incoming label: Used in these materials key: mechanic/systemic-worlds--t265 title: 'Character routines, needs and memory' url: 'https://gamemechanics.pro/en/knowledge/mechanic/systemic-worlds--t265/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/systemic-worlds--t265.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/systemic-worlds--t265.md - type: uses direction: incoming label: Used in these materials key: mechanic/systemic-worlds--t266 title: Creature training and taming url: 'https://gamemechanics.pro/en/knowledge/mechanic/systemic-worlds--t266/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/systemic-worlds--t266.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/systemic-worlds--t266.md - type: uses direction: incoming label: Used in these materials key: mechanic/systemic-worlds--t269 title: 'Simulated societies, populations and autonomous communities' url: 'https://gamemechanics.pro/en/knowledge/mechanic/systemic-worlds--t269/' jsonUrl: >- https://gamemechanics.pro/api/v1/knowledge/en/mechanic/systemic-worlds--t269.json markdownUrl: >- https://gamemechanics.pro/content/knowledge/en/mechanic/systemic-worlds--t269.md placements: [] supersededBy: [] attributes: kind: book format: null language: en authors: null endsAt: null provenance: >- Original editorial recommendation. The external material retains its author’s rights. license: CC-BY-4.0 codeLicense: MIT attribution: gamemechanics.pro contributors --- # State: Game Programming Patterns id: state-pattern type: resource key: resource/state-pattern lang: en status: active url: https://gamemechanics.pro/en/resources/#resource-state-pattern The author’s chapter on finite state machines, states, and transitions. ## When to use it The author’s chapter on finite state machines, states, and transitions. ## Connected materials - Used in these materials: [States and transitions](https://gamemechanics.pro/en/lessons/state-machines/) (key: lesson/state-machines) - Used in these materials: [Activity and profession simulators](https://gamemechanics.pro/en/mechanics/activity-simulators/) (key: catalog/activity-simulators) - Used in these materials: [Farming, gardening and animal husbandry](https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t127/) (key: mechanic/activity-simulators--t127) - Used in these materials: [Cooking, recipes and kitchen work](https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t128/) (key: mechanic/activity-simulators--t128) - Used in these materials: [Fishing, hunting and harvesting trades](https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t129/) (key: mechanic/activity-simulators--t129) - Used in these materials: [Cleaning, sorting and restoration](https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t131/) (key: mechanic/activity-simulators--t131) - Used in these materials: [Construction, earthmoving and machinery](https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t132/) (key: mechanic/activity-simulators--t132) - Used in these materials: [Medicine, rescue and emergency services](https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t133/) (key: mechanic/activity-simulators--t133) - Used in these materials: [Technical incident investigation](https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t134/) (key: mechanic/activity-simulators--t134) - Used in these materials: [Document checks, inspections and control](https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t135/) (key: mechanic/activity-simulators--t135) - Used in these materials: [Delivery, dispatching and customer service](https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t136/) (key: mechanic/activity-simulators--t136) - Used in these materials: [Scientific experiments and instruments](https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t137/) (key: mechanic/activity-simulators--t137) - Used in these materials: [Business, office and bureaucracy simulators](https://gamemechanics.pro/en/knowledge/mechanic/activity-simulators--t138/) (key: mechanic/activity-simulators--t138) - Used in these materials: [Melee and combat systems](https://gamemechanics.pro/en/mechanics/melee-combat/) (key: catalog/melee-combat) - Used in these materials: [Hand-to-hand combat and beat ’em ups](https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t011/) (key: mechanic/melee-combat--t011) - Used in these materials: [Fighting games and duels](https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t012/) (key: mechanic/melee-combat--t012) - Used in these materials: [Combos and character action](https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t013/) (key: mechanic/melee-combat--t013) - Used in these materials: [Soulslikes and stamina management](https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t014/) (key: mechanic/melee-combat--t014) - Used in these materials: [Hack and slash](https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t015/) (key: mechanic/melee-combat--t015) - Used in these materials: [Blocking, parrying and counterattacks](https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t016/) (key: mechanic/melee-combat--t016) - Used in these materials: [Grapples, throws and wrestling](https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t017/) (key: mechanic/melee-combat--t017) - Used in these materials: [Crowd combat and space control](https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t018/) (key: mechanic/melee-combat--t018) - Used in these materials: [Breakable parts, injuries and conditions](https://gamemechanics.pro/en/knowledge/mechanic/melee-combat--t020/) (key: mechanic/melee-combat--t020) - Used in these materials: [Progression, rewards and retention](https://gamemechanics.pro/en/mechanics/progression-rewards/) (key: catalog/progression-rewards) - Used in these materials: [Unlocking abilities and expanding available actions](https://gamemechanics.pro/en/knowledge/mechanic/progression-rewards--t240/) (key: mechanic/progression-rewards--t240) - Used in these materials: [Collections, albums and set completion](https://gamemechanics.pro/en/knowledge/mechanic/progression-rewards--t241/) (key: mechanic/progression-rewards--t241) - Used in these materials: [Achievements, challenges and mastery](https://gamemechanics.pro/en/knowledge/mechanic/progression-rewards--t242/) (key: mechanic/progression-rewards--t242) - Used in these materials: [Loot, rarity and reward distribution](https://gamemechanics.pro/en/knowledge/mechanic/progression-rewards--t243/) (key: mechanic/progression-rewards--t243) - Used in these materials: [Idle, incremental and offline progress](https://gamemechanics.pro/en/knowledge/mechanic/progression-rewards--t244/) (key: mechanic/progression-rewards--t244) - Used in these materials: [Prestige, resets and renewed progression](https://gamemechanics.pro/en/knowledge/mechanic/progression-rewards--t245/) (key: mechanic/progression-rewards--t245) - Used in these materials: [Role-playing systems](https://gamemechanics.pro/en/mechanics/role-playing-systems/) (key: catalog/role-playing-systems) - Used in these materials: [Character creation and attribute allocation](https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t049/) (key: mechanic/role-playing-systems--t049) - Used in these materials: [Classes, specializations and role switching](https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t050/) (key: mechanic/role-playing-systems--t050) - Used in these materials: [Builds and ability synergies](https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t051/) (key: mechanic/role-playing-systems--t051) - Used in these materials: [Party roles and team composition](https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t052/) (key: mechanic/role-playing-systems--t052) - Used in these materials: [Equipment, affixes and item sets](https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t053/) (key: mechanic/role-playing-systems--t053) - Used in these materials: [Status effects, elements and resistances](https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t054/) (key: mechanic/role-playing-systems--t054) - Used in these materials: [Learning skills through use](https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t055/) (key: mechanic/role-playing-systems--t055) - Used in these materials: [Reputation, factions and alignment](https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t057/) (key: mechanic/role-playing-systems--t057) - Used in these materials: [Quests, contracts and consequences](https://gamemechanics.pro/en/knowledge/mechanic/role-playing-systems--t058/) (key: mechanic/role-playing-systems--t058) - Used in these materials: [Roguelikes and run structure](https://gamemechanics.pro/en/mechanics/run-structures/) (key: catalog/run-structures) - Used in these materials: [Traditional turn-based roguelikes](https://gamemechanics.pro/en/knowledge/mechanic/run-structures--t060/) (key: mechanic/run-structures--t060) - Used in these materials: [Action roguelikes](https://gamemechanics.pro/en/knowledge/mechanic/run-structures--t061/) (key: mechanic/run-structures--t061) - Used in these materials: [Survivor-likes and automatic attacks](https://gamemechanics.pro/en/knowledge/mechanic/run-structures--t062/) (key: mechanic/run-structures--t062) - Used in these materials: [Dungeon crawlers and resource attrition](https://gamemechanics.pro/en/knowledge/mechanic/run-structures--t063/) (key: mechanic/run-structures--t063) - Used in these materials: [Social relationships and shared play](https://gamemechanics.pro/en/mechanics/social-cooperation/) (key: catalog/social-cooperation) - Used in these materials: [Caring for pets and dependent characters](https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t200/) (key: mechanic/social-cooperation--t200) - Used in these materials: [Asymmetric roles and abilities](https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t204/) (key: mechanic/social-cooperation--t204) - Used in these materials: [Rescue, support and shared responsibility](https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t206/) (key: mechanic/social-cooperation--t206) - Used in these materials: [Betrayal, coalitions and temporary alliances](https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t207/) (key: mechanic/social-cooperation--t207) - Used in these materials: [Social simulations and everyday life](https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t198/) (key: mechanic/social-cooperation--t198) - Used in these materials: [Social deduction and hidden roles](https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t202/) (key: mechanic/social-cooperation--t202) - Used in these materials: [Party games, trivia and collective guessing](https://gamemechanics.pro/en/knowledge/mechanic/social-cooperation--t208/) (key: mechanic/social-cooperation--t208) - Used in these materials: [Stealth, infiltration and escape](https://gamemechanics.pro/en/mechanics/stealth-infiltration/) (key: catalog/stealth-infiltration) - Used in these materials: [Visibility, noise and detection](https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t031/) (key: mechanic/stealth-infiltration--t031) - Used in these materials: [Suspicion, alerts and searching](https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t032/) (key: mechanic/stealth-infiltration--t032) - Used in these materials: [Hiding bodies and traces](https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t033/) (key: mechanic/stealth-infiltration--t033) - Used in these materials: [Disguises and social infiltration](https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t034/) (key: mechanic/stealth-infiltration--t034) - Used in these materials: [Lures, distractions and sabotage](https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t035/) (key: mechanic/stealth-infiltration--t035) - Used in these materials: [Tailing, reconnaissance and counter-surveillance](https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t036/) (key: mechanic/stealth-infiltration--t036) - Used in these materials: [Heists and coordinated infiltration](https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t037/) (key: mechanic/stealth-infiltration--t037) - Used in these materials: [Escape, chases and evading pursuit](https://gamemechanics.pro/en/knowledge/mechanic/stealth-infiltration--t038/) (key: mechanic/stealth-infiltration--t038) - Used in these materials: [Systemic worlds, randomness and NPC behavior](https://gamemechanics.pro/en/mechanics/systemic-worlds/) (key: catalog/systemic-worlds) - Used in these materials: [Systemic interactions and immersive sims](https://gamemechanics.pro/en/knowledge/mechanic/systemic-worlds--t260/) (key: mechanic/systemic-worlds--t260) - Used in these materials: [Physical materials, deformation and destruction](https://gamemechanics.pro/en/knowledge/mechanic/systemic-worlds--t262/) (key: mechanic/systemic-worlds--t262) - Used in these materials: [Ecology, food chains and environmental recovery](https://gamemechanics.pro/en/knowledge/mechanic/systemic-worlds--t263/) (key: mechanic/systemic-worlds--t263) - Used in these materials: [Character routines, needs and memory](https://gamemechanics.pro/en/knowledge/mechanic/systemic-worlds--t265/) (key: mechanic/systemic-worlds--t265) - Used in these materials: [Creature training and taming](https://gamemechanics.pro/en/knowledge/mechanic/systemic-worlds--t266/) (key: mechanic/systemic-worlds--t266) - Used in these materials: [Simulated societies, populations and autonomous communities](https://gamemechanics.pro/en/knowledge/mechanic/systemic-worlds--t269/) (key: mechanic/systemic-worlds--t269) ## Sources and provenance Original editorial recommendation. The external material retains its author’s rights. - [State: Game Programming Patterns](https://github.com/munificent/game-programming-patterns/blob/master/book/state.markdown) (id: source-3817d420df0baa92) CC-BY-4.0 · gamemechanics.pro contributors