Added timer plugin

Author: Gesee-y

plugins/TimerPlugin/TimerPlugin.jl

@@ -0,0 +1,61 @@
+module TimerPlugin
+
+using ..Cruise
+
+const TIMERPLUGIN = CRPlugin()
+
+mutable struct CRTimer
+    duration::Float32 # in seconds
+    signal::CRSubject{Nothing}
+end
+
+mutable struct TimerManager
+    timers::Vector{CRTimer}
+    paused::Bool
+end
+
+TM = TimerManager(CRTimer[], false)
+
+addtimer!(dur) = addtimer!(TM, dur)
+addtimer!(tm::TimerManager, dur) = begin
+    timer = CRTimer(dur, CRSubject(nothing))
+    addtimer!(tm, timer)
+    return timer
+end
+addtimer!(tm::TimerManager, t::CRTimer) = push!(tm.timers, t)
+
+ontimeout(f, t::CRTimer) = connect(f, t.signal)
+
+id = add_system!(TIMERPLUGIN, TM)
+
+function Cruise.update!(n::CRPluginNode{TimerManager})
+    tm = n.obj
+    tm.paused && return
+    lvar = LOOP_VAR_REF[]
+    
+    timers = tm.timers
+    start, stop = 1, length(timers)
+    dt = lvar.delta_seconds
+
+    while start <= stop
+        timer = timers[start]
+        timer.duration -= dt
+
+        if timer.duration <= 0
+            notify!(timer.signal)
+            timers[start], timers[stop] = timers[stop], timers[start]
+            stop -= 1
+        else
+            start += 1
+        end
+    end
+
+    resize!(timers, stop)
+end
+
+clear!(tm::TimerManager) = empty!(tm.timers)
+Cruise.shutdown!(n::CRPluginNode{TimerManager}) = clear!(n.obj)
+
+export addtimer!, ontimeout, CRTimer, TIMERPLUGIN, TimerManager, clear!
+
+end # module

src/Cruise.jl

@@ -27,6 +27,7 @@ include("writer.jl")
 
 include(joinpath("..", "plugins", "ODPlugin", "ODPlugin.jl"))
 include(joinpath("..", "plugins", "HZPlugin", "HZPlugin.jl"))
+include(joinpath("..", "plugins", "TimerPlugin", "TimerPlugin.jl"))
 
 text_en = [
 	"{speed:0.1}Everything begins somewhere.{pause:2}",

src/game_loop.jl

@@ -246,10 +246,10 @@ enable_system(id) # Now your game logic will be able to run
 """
 function enable_system(id::Integer, awake=true)
     app = CruiseApp()
-    idtonode = app.idtonode
+    idtonode = app.plugins.idtonode
 
     !haskey(idtonode, id) && return
-    node = app.idtonode[id]
+    node = idtonode[id]
     node.enabled = true
     awake && awake!(node)
 end
@@ -271,10 +271,10 @@ disable_system(id) # Now your game logic will no more run
 """
 function disable_system(id::Integer, shut=false)
     app = CruiseApp()
-    idtonode = app.idtonode
+    idtonode = app.plugins.idtonode
 
     !haskey(idtonode, id) && return
-    node = app.idtonode[id]
+    node = idtonode[id]
     node.enabled = false
 
     shut && shutdown!(node)