Child of Mumbai-Dabbawala-Main

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Child of model Mumbai-Dabbawala-Main preview imageMumbai-Dabbawala-Main
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globals
[
  grid-x-inc           ;; the amount of patches in between two roads in the x direction
  grid-y-inc           ;; the amount of patches in between two roads in the y direction
  roads                ;; agentset containing the patches that are roads
  colors
  tiffins-count
  set-capacity
  delivery-cors
  index
  delivery-strategy
  done?
  x-cor
  y-cor
  delay
  time-taken
]

breed [dabbawalas dabbawala ]
breed [stations station ]
breed [tiffins tiffin ]

dabbawalas-own [ capacity carrying-count my-tiffins next-target aloted?]
stations-own [ name ]
tiffins-own [  tiffin-dest-cor picked? delivered?]

;;;;;;;;;;;;;;;;;;;;;;
;; Setup Procedures ;;
;;;;;;;;;;;;;;;;;;;;;;

to setup [ station-name dw-capacity tiffins-to-deliver main-delivery-cors delivery-strategies ]
  clear-all
  setup-globals dw-capacity tiffins-to-deliver main-delivery-cors delivery-strategies
  setup-roads
  setup-stations station-name
  setup-dabbawalas
  setup-tiffins
  initialize-my-tiffins
  reset-ticks
end 

;; Initialize the global variables to appropriate values

to setup-globals [ dw-capacity tiffins-to-deliver main-delivery-cors delivery-strategies ]
  set grid-x-inc world-width / 21
  set grid-y-inc world-height / 21
  set set-capacity dw-capacity
  set tiffins-count tiffins-to-deliver
  set delivery-cors main-delivery-cors
  set index 0
  set done? False
  set delivery-strategy delivery-strategies
  set delay 0
  set time-taken 0
end 

to setup-roads
  ;; initialize the patch-owned variables and color the patches to a base-color
  ask patches
  [
    set pcolor brown
    if random 100 < 5
    [ set pcolor green - 1 ]
  ]
  ;; initialize the global variables that hold patch agentsets
  set roads patches with
    [(floor((pxcor + max-pxcor - floor(grid-x-inc - 1)) mod grid-x-inc) = 0) or
    (floor((pycor + max-pycor) mod grid-y-inc) = 0)]
  ask roads [ set pcolor black ]
end 

to setup-stations [ station-name ]
  create-stations 1 [
    let xy one-of patches with [pxcor != [pxcor] of roads and pycor != [pycor] of roads]
    setxy [pxcor] of xy [pycor] of xy
    set shape "house two story"
    set size 2
    set name station-name
    set label name
]
end 

to setup-dabbawalas
  let dw-count ceiling ( tiffins-count / set-capacity )
  create-dabbawalas dw-count [
    set shape "dabbawala"
    set color white
    set size 3
    set my-tiffins 0
    set color white
    set aloted? False
    set capacity set-capacity
    setxy [pxcor] of one-of stations [pycor] of one-of stations
  ]
end 

to setup-tiffins
  create-tiffins tiffins-count [
    set shape "dabba"
    set size 3
    set tiffin-dest-cor item index delivery-cors
    set index index + 1
    hide-turtle
    ifelse delivery-strategy = "regional-closest-first"
    [ setxy item 0 tiffin-dest-cor item 1 tiffin-dest-cor ]
    [ setxy [pxcor] of one-of stations [pycor] of one-of stations ]
    set delivered? False
    set picked? False
  ]
end 

to initialize-my-tiffins
  ask dabbawalas
  [
    ifelse count tiffins with [not picked?]> set-capacity
    [
      if delivery-strategy = "random" or delivery-strategy = "closest-first"
      [ set my-tiffins n-of ceiling ( count tiffins with [not picked?]/ count dabbawalas with [not aloted?] ) (tiffins with [not picked?]) ]
      if delivery-strategy = "regional-closest-first"
      [ set my-tiffins min-n-of ceiling ( count tiffins with [not picked?]/ count dabbawalas with [not aloted?] ) (tiffins with [not picked?])[distance myself] ]
    ]
    [ set my-tiffins n-of count tiffins with [not picked?] (tiffins with [not picked?]) ]
    ask my-tiffins
    [
      set picked? True
      setxy [pxcor] of one-of stations [pycor] of one-of stations
    ]
    set carrying-count count my-tiffins
    set aloted? True
  ]
end 

to go
  if count dabbawalas with [ hidden? ] = 1
  [ set delay ticks ]
  if not any? dabbawalas with [ not hidden? ]
  [ stop-condition ]
  ask dabbawalas
  [
  ifelse carrying-count = 0
    [ hide-turtle ]
    [ deliver-lunchboxes
   set label carrying-count ]
  ]
  tick
end 

;;;;;;;;;;;;;;;;;;;;;;
;;   Go Procedures  ;;
;;;;;;;;;;;;;;;;;;;;;;

to stop-condition
  set delay ticks - delay
  if time-taken = 0
  [ set time-taken ticks ]
  set done? True
end 

to deliver-lunchboxes
  if next-target = 0
  [ select-next-target ]
  if next-target != nobody
  [
    set x-cor item 0 [ tiffin-dest-cor ] of next-target
    set y-cor item 1 [ tiffin-dest-cor ] of next-target
    move-towards-target
    if any? patches with [ pxcor = x-cor and pycor = y-cor ] in-radius 2
    [
      drop-lunchbox
      set next-target 0
      set carrying-count carrying-count - 1
    ]
  ]
end 

to select-next-target
  if delivery-strategy = "random"
  [ set next-target one-of my-tiffins with [ not delivered? ]]
  if delivery-strategy = "closest-first" or delivery-strategy = "regional-closest-first"
  [
    set next-target min-one-of my-tiffins with [ not delivered? ]
    [ distance one-of patches with [pxcor = item 0 [ tiffin-dest-cor ] of myself and pycor = item 1 [ tiffin-dest-cor ] of myself] ]
  ]
end 

to move-towards-target
  let speed ( set-capacity + 1 - carrying-count ) / ( 5 * set-capacity )
  let to-move neighbors with [ pcolor = black]
  let to-face min-one-of to-move [ distance one-of patches with [pxcor = x-cor and pycor = y-cor] ]
  face to-face
  fd speed
end 

to drop-lunchbox
  ask next-target
  [
    setxy x-cor y-cor
    show-turtle
    set delivered? True
  ]
end 

There is only one version of this model, created 11 days ago by Sai Tanya Kumbharageri.

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