40 lines
1.7 KiB
Text
40 lines
1.7 KiB
Text
# hold.ludic - a recipe made by holding a button for its `hold` seconds: letting go wastes
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# nothing, and it stops by itself the moment it can no longer be made
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export function craft_holds(i: int) -> bool { return craft_ok(i) and CraftRecipes[i].hold > 0.0 }
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# the recipe being held, or -1
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export function craft_holding(crafting_st: CraftingState) -> int { return crafting_st.craft_hold_i }
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# starts holding one that is made by holding and can be made now
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export function craft_hold_start(crafting_st: mut CraftingState, i: int) -> bool {
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if not craft_holds(i) or not craft_can(i) { return false }
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crafting_st.craft_hold_i = i
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crafting_st.craft_hold_t = 0.0
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return true
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}
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export function craft_hold_stop(crafting_st: mut CraftingState) -> void {
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crafting_st.craft_hold_i = -1
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crafting_st.craft_hold_t = 0.0
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}
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# how far through the hold on `i` is, 0 to 1
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export function craft_hold_frac(crafting_st: CraftingState, i: int) -> float {
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if crafting_st.craft_hold_i != i or not craft_holds(i) { return 0.0 }
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return Math.clamp(crafting_st.craft_hold_t / CraftRecipes[i].hold, 0.0, 1.0)
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}
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# `dt` real seconds of holding; true on the frame it is made
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export function craft_hold_run(base_st: mut BaseState, crafting_st: mut CraftingState, dt: float) -> bool {
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if crafting_st.craft_hold_i < 0 { return false }
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if not craft_can(crafting_st.craft_hold_i) {
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craft_hold_stop(crafting_st)
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return false
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}
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crafting_st.craft_hold_t = crafting_st.craft_hold_t + dt
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if crafting_st.craft_hold_t <= CraftRecipes[crafting_st.craft_hold_i].hold { return false }
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let i = crafting_st.craft_hold_i
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craft_hold_stop(crafting_st)
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return craft_make(base_st, crafting_st, i)
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}
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