spwn 0.0.6

A language for Geometry Dash triggers
Documentation 
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#[no_std, cache_output]
constants = import "constants.spwn"
extract constants.obj_props

extract import "util.spwn"

impl @item {

    add:
    #[desc("Implementation of the pickup trigger") example("10i.add(5)")]
    (self, #[desc("Amount to add")] amount: @number) {
        $.add( trigger{
            OBJ_ID: 1817,
            COUNT: amount,
            ITEM: self,
        })
    },

    if_is:
    #[desc("Implementation of the instant count trigger") example("
10i.if_is(EQUAL_TO, 5, !{
    BG.pulse(255, 0, 0, fade_out = 0.5)
})
    ")]
    (
        self,
        #[desc("Comparison mode")] comparison: @comparison,
        #[desc("Number to compare with")] other: @number,
        #[desc("Target function if comparison is 'true'")] function: @trigger_function
    ) {
        $.add( trigger{
            OBJ_ID: 1811,
            TARGET: function,
            COUNT: other,
            ACTIVATE_GROUP: true,
            COMPARISON: comparison.id,
            ITEM: self,
        })
    },

    count:
    #[desc("Implementation of the count trigger (-> returns an event for when an item reaches a certain value)") example("
on(10i.count(100), !{
    BG.pulse(0, 255, 0, fade_out = 0.5) // will pulse each time item ID 10 becomes 100
})
    ")]
    (
        self,
        #[desc("Number to check against")] number: @number = 0
    ) {
        -> return @event::{
            on_triggered: (function) => $.add( trigger{
                OBJ_ID: 1611,
                TARGET: function,
                COUNT: number,
                ACTIVATE_GROUP: true,
                ITEM: self,
                COUNT_MULTI_ACTIVATE: true,

            })
        }

    },
    _range_: #[desc("Implementation of the range operator (`..`) for item IDs") example("
for item in 1i..10i {
    item.add(10)
}
    ")] create_range_macro(@item)
}