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Game story scripting language
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eriksvedang/Grimm
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A Game Story Scripting Language written by Erik Svedäng. Requires the Relay database to work. Contains Textmate and Notepad++ bundles for syntax highlighting. - LANGUAGE OVERVIEW - # 0. Comments start with a '#' # 1. Make someone say something Charlie "What time is it?" # 2. Player is presented with dialogue options CHOICE { "It's 5.30": Charlie "Ok, gotta run!" "I don't know": Charlie "Oh, thanks anyway" } # Choices can also be written without the CHOICE-word (deprected but saved for compatibility) { "Yes": Charlie "OK" "No": Charlie "OK" } # 3. Jump to places marked with [ ] in the same file GOTO SKIP_HERE Charlie "I will not say this" [SKIP_HERE] Charlie "We meet again" [MEET_AGAIN] # 4. Control the flow by checking expressions in the dialogue runner IF Charlie.IsSleepy() { Charlie "Yawn" } ELIF Charlie.IsHungry() { Charlie "I want pizza..." } ELSE { Charlie "Let's go party!" } # 5. Start other dialogue files START AnotherWorldCinematic # 6. Wait here until an expression becomes true (accepts strings, numbers and plain tokens) WAIT Charlie.IsInRoom(Corridor) # 7a. Register a block of code that will execute when an event happens LISTEN DisasterousEvent { START EverybodyScreams } # An event listener can be given a name for later reference, like this: LISTEN DisasterousEvent DisasterEventListener { START EverybodyScreams } # 7b. Wait here until an event is sent out LISTEN BetterTimes # 8. Send out an event BROADCAST TimeForWork # 9. Call a function in the dialogue runner (accepts strings, numbers and plain tokens) Monkey.Eat(Banana, "Munch munch", 5.0) # 10. Stop the execution of the script and unregister all listeners it contains STOP # Stopping another conversation works too STOP AnotherConversation # 11. Unregister event listeners with a specific name in the same file CANCEL DisasterEventListener # 12. Check an expression and throw and exception if it's not true ASSERT EveryoneIsSane() # 13. Start script X and stop execution of the current script until script X has stopped INTERRUPT X # 14. Combine WAIT for expression with LISTEN for event WAIT IsNice() AND IsSummer() LISTEN IceCreamTime { Dude "Let's eat ice cream!" } # 15. Wait for a certain time (in seconds) WAIT 10 # Notes on syntactical sugar: # Expressions and functions can be written in two ways Player.TeleportTo(StartPosition) # is the same thing as TeleportTo(Player, StartPosition) # Both of these ways of writing will send the same two arguments to the 'TeleportTo' function
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