Orkuncakilkaya
19fcf60599
ludic migrate state packages <every example program> packages/ludic.lab/example/plate.ludic 1804 vars into 126 states, 64 into lets; 23498 edits in 460 files Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
59 lines
2.9 KiB
Text
59 lines
2.9 KiB
Text
# component_access.ludic — typed component access from an entity handle:
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# `Prop.of(e)` reads and writes fields, `Prop.has(e)` is safe for -1 and dead
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# handles, `Prop.count()` counts, `Prop.despawn_all()` clears; `countdown` fields
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# tick toward 0 each Update; `Enum.Variant` typed vars and machines. Prints:
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# 9 15 10 33 1 0 0 1 0 1 101 100 102 1 2 1 0
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program ComponentAccess {
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import "ludic.core/components.ludic"
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property Hero { roll_frames: int = 0, iframes: int = 0, flash: countdown = 0 }
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property Tag { n: int = 0 }
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model Player { Position, Hero }
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model Thing { Position, Tag }
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enum HeroState { Idle, Rolling, Swinging }
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state ComponentAccessState {
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hero_state: HeroState = HeroState.Rolling
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player: int = -1
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frames: int = 0
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}
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function step(component_access_st: mut ComponentAccessState) -> void {
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machine component_access_st.hero_state {
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state Idle { print(100); become Swinging }
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state Rolling { print(101); become Idle }
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state Swinging { print(102); become Rolling }
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}
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}
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handler Tick(component_access_st: mut ComponentAccessState) phase Update {
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component_access_st.frames += 1
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if component_access_st.frames == 1 {
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component_access_st.player = spawn Player { Position { x: 3, y: 4 }, Hero { roll_frames: 9, flash: 3 } }
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spawn Thing { Position { x: 30, y: 40 }, Tag { n: 7 } }
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print(Hero.of(component_access_st.player).roll_frames) # 9
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Hero.of(component_access_st.player).iframes = 20
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Hero.of(component_access_st.player).iframes -= 5
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print(Hero.of(component_access_st.player).iframes) # 15
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let hero = Hero.of(component_access_st.player)
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hero.roll_frames += 1
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print(Hero.of(component_access_st.player).roll_frames) # 10
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print(Position.of(component_access_st.player).x + Position.of(1).x) # 33
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print(Hero.has(component_access_st.player)) # 1
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print(Hero.has(1)) # 0
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print(Hero.has(-1)) # 0
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print(Tag.has(1)) # 1
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despawn 1
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print(Tag.has(1)) # 0
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print(Position.count()) # 1: the player
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spawn Thing { Position { x: 1 } }
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}
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if component_access_st.frames == 2 {
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step(component_access_st); step(component_access_st); step(component_access_st) # 101 100 102
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print(component_access_st.hero_state) # 1
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print(Position.count()) # 2: the player and the thing spawned after
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}
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if component_access_st.frames == 3 {
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print(Hero.of(component_access_st.player).flash) # ticked twice: 1
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Position.despawn_all()
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print(Position.count()) # 0
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quit()
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}
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}
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}
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