;;blablabla

globals [
breeding-allowed
eaten
starved-to-death
hlep
]

breed [cows cow]
breed [sheep asheep]
breed [goats goat]

turtles-own [ energy speed status]
patches-own [ annuals-amount perennials-amount bush-amount]

to setup

  clear-all
  set breeding-allowed 0
  set starved-to-death 0
  set hlep 1

  ask patches [
    set annuals-amount 50
    set perennials-amount 30
    set bush-amount 1

    colour-patch

  ]
    create-cows number-of-cows [
    setxy random-xcor random-ycor
    set color black
    set shape "cow"
    set speed 1
    set size 1.2
    set energy 700
  ]
  create-sheep number-of-sheep [
    setxy random-xcor random-ycor
    set color white
    set shape "sheep"
    set speed 1.2
    set size 1
    set energy 700
  ]
  create-goats number-of-goats [
    setxy random-xcor random-ycor
    set color brown
    set shape "sheep 2"
    set speed 1.5
    set size 0.8
    set energy 700
  ]
  reset-ticks
end

to go
  if not any? turtles [
    stop
  ]

  ask turtles [
    ;;move
    check-if-starving
    check-if-starved
  ]
  ask cows [
    cows-graze
    cows-move
    reproduce-cows
  ]
  ask sheep [
    sheep-graze
    sheep-move
    reproduce-sheep
  ]
  ask goats [
    goats-graze
    goats-move
    reproduce-goats
  ]
  ask patches [
  regrow-annuals
  regrow-perennials
  regrow-bushes
  colour-patch
  ]

 tick


end


to colour-patch

    ifelse (annuals-amount < 1 and perennials-amount < 1 and bush-amount < 150) [
      set pcolor 44
    ] [
      ifelse ((annuals-amount < 15 or perennials-amount < 10) and bush-amount < 50) [
      set pcolor 56
      ] [
        ifelse (annuals-amount > 15 and perennials-amount > 10 and bush-amount < 100) [
      set pcolor 65
      ] [ if (bush-amount >= 100) [
            set pcolor 73
          ]
        ]
      ]
    ]

end

to check-if-starved
 if energy < 1 [
    set starved-to-death (starved-to-death + 1)
    die
  ]
end

to check-if-starving
 ifelse (energy < 400) [
    set status "starving"
  ] [ ifelse energy >= 400 and energy < 900 [
      set status "healthy"
    ] [ if energy >= 900 [
        set status "well fed"
      ]
    ]
  ]
end

;;to move
;;  forward 1 * speed
;;  set energy (energy - 1)
;;end

to allow-reproduction
  set breeding-allowed 1
end

to disallow-reproduction
  set breeding-allowed 0
end

to cows-graze
  ifelse (annuals-amount > 20 and energy < 1000) [
    set eaten 12
    set annuals-amount annuals-amount - eaten
    set energy energy + (18)
    set annuals-amount annuals-amount - eaten
  ] [ ifelse (perennials-amount > 20 and energy < 900) [
      set eaten 9
      set perennials-amount perennials-amount - eaten
      set energy energy + (13)
      set perennials-amount perennials-amount - eaten
    ] [ if annuals-amount < 20 and perennials-amount < 20 and bush-amount > 10 [
      set eaten 6
      set perennials-amount perennials-amount - eaten
      set energy energy + (8)
      set perennials-amount perennials-amount - eaten
      ]
    ]
  ]

end

to sheep-graze
   ifelse (perennials-amount > 10 and energy < 1000) [
    set eaten 7
    set perennials-amount (perennials-amount - eaten)
    set energy energy + (18)
    set perennials-amount perennials-amount - eaten
  ] [ ifelse (annuals-amount > 10 and energy < 900) [
      set eaten 6
      set annuals-amount annuals-amount - eaten
      set energy energy + (14)
      set annuals-amount annuals-amount - eaten
    ] [ if annuals-amount < 10 and perennials-amount < 10 and bush-amount > 10 [
      set eaten 3
      set perennials-amount perennials-amount - eaten
      set energy energy + (8)
      set perennials-amount perennials-amount - eaten
      ]
    ]
  ]
end

to goats-graze
   ifelse (energy < 1000 and bush-amount > 10 and bush-amount < 200) [
    set eaten 6
    set bush-amount bush-amount - eaten
    set energy energy + (18)
    set annuals-amount annuals-amount - eaten
  ] [ ifelse (perennials-amount > 1 and energy < 950) [
      set eaten 5
      set perennials-amount perennials-amount - eaten
      set energy energy + (13)
      set perennials-amount perennials-amount - eaten
    ] [if (annuals-amount > 1 and energy < 950) [
      set eaten 5 + random 2
      set annuals-amount annuals-amount - eaten
      set energy energy + (12)
      set annuals-amount annuals-amount - eaten
    ]
  ]
]
end

to reproduce-cows
  if (energy > 950 and breeding-allowed = 1 and random 150 = 1) [
    set energy energy - 300
    hatch 1 [
         set speed 1
         set energy 400
     ]
  ]
end

to reproduce-sheep
  if (energy > 950 and breeding-allowed = 1 and random 100 = 1) [
    set energy energy - 300
    hatch 1 [
         set speed 1.2
         set energy 400
     ]
  ]
end

to reproduce-goats
  if (energy > 950 and breeding-allowed = 1 and random 80 = 1) [
    set energy energy - 300
    hatch 1 [
         set speed 1.5
         set energy 400
     ]
  ]
end

to cows-move
  rt random 90
  lt random 90
  forward 1 * speed
  set energy (energy - (12 * energy-decay))
end

to sheep-move
  rt random 90
  lt random 90
  forward 1 * speed
  set energy (energy - (12 * energy-decay))
end

to goats-move
  rt random 90
  lt random 90
  forward 1 * speed
  set energy (energy - (12 * energy-decay))
end

to regrow-annuals
    ifelse (annuals-amount < 15 and annuals-amount > 0) [
      set annuals-amount annuals-amount + (5 * regrowth-rate)
    ] [ ifelse (annuals-amount > 15 and (annuals-amount + perennials-amount) < 150 and bush-amount < 100)[
      set annuals-amount annuals-amount + (15 * regrowth-rate)
    ] [ if annuals-amount < 0 [
        set annuals-amount -100
      ]
      ]
  ]

 ;; colour-patch
end

to regrow-perennials
    ifelse (perennials-amount < 10 and perennials-amount > 0) [
      set perennials-amount perennials-amount + (5 * regrowth-rate)
    ] [ ifelse (perennials-amount > 10 and (annuals-amount + perennials-amount) < 120 and bush-amount < 120)[
      set perennials-amount perennials-amount + (10 * regrowth-rate)
      ] [ if perennials-amount < 0 [
        set perennials-amount -80
      ]
    ]
      ]

  ;;colour-patch
end

to regrow-bushes
    ifelse (annuals-amount + perennials-amount) > 0  and bush-amount < 20[
      set bush-amount bush-amount + (1 * regrowth-rate)
    ] [ ifelse (annuals-amount + perennials-amount) > 0  and bush-amount > 20 [
      set bush-amount bush-amount + (2 * regrowth-rate)
      ] [ if (bush-amount > 40 and bush-amount < 200) [
      set bush-amount bush-amount + (8 * regrowth-rate)
      ]
      ]
    ]
 ;; colour-patch
end




@#$#@#$#@
GRAPHICS-WINDOW
479
10
806
338
-1
-1
18.8
1
10
1
1
1
0
1
1
1
-8
8
-8
8
0
0
1
ticks
30.0

BUTTON
53
14
116
47
setup
setup
NIL
1
T
OBSERVER
NIL
NIL
NIL
NIL
1

BUTTON
123
14
186
47
run
go
T
1
T
OBSERVER
NIL
NIL
NIL
NIL
0

SLIDER
54
85
419
118
number-of-cows
number-of-cows
0
200
46.0
1
1
cows
HORIZONTAL

SLIDER
54
131
419
164
number-of-sheep
number-of-sheep
0
400
49.0
1
1
sheep
HORIZONTAL

SLIDER
53
180
419
213
number-of-goats
number-of-goats
0
400
73.0
1
1
goats
HORIZONTAL

BUTTON
194
14
299
47
Allow Reproduction
allow-reproduction
NIL
1
T
OBSERVER
NIL
NIL
NIL
NIL
1

BUTTON
303
14
420
47
Disallow Reproduction
disallow-reproduction
NIL
1
T
OBSERVER
NIL
NIL
NIL
NIL
1

SLIDER
52
237
419
270
regrowth-rate
regrowth-rate
0
2
1.25
0.05
1
NIL
HORIZONTAL

SLIDER
53
287
419
320
energy-decay
energy-decay
0
2
1.0
0.1
1
NIL
HORIZONTAL

PLOT
56
352
637
528
Status of animals
Time
Population
0.0
10.0
0.0
10.0
true
true
"" ""
PENS
"Well fed animals" 1.0 0 -13840069 true "" "plot count turtles with [status = \"well fed\"]"
"Healthy animals" 1.0 0 -1184463 true "" "plot count turtles with [status = \"healthy\"]"
"Starving animals" 1.0 0 -2674135 true "" "plot count turtles with [status = \"starving\"]"

PLOT
56
546
638
720
Soil status
time
match types
0.0
10.0
0.0
10.0
true
true
"" ""
PENS
"Healthy" 1.0 0 -13840069 true "" "plot count patches with [pcolor = 65]"
"Eroded" 1.0 0 -4079321 true "" "plot count patches with [pcolor = 44]"
"Overgrazed" 1.0 0 -8732573 true "" "plot count patches with [pcolor = 56]"
"Overgrown" 1.0 0 -15637942 true "" "plot count patches with [pcolor = 73]"

MONITOR
654
352
803
397
Hunger strike bodycount
starved-to-death
17
1
11

@#$#@#$#@
## WHAT IS IT?

(a general understanding of what the model is trying to show or explain)

## HOW IT WORKS

(what rules the agents use to create the overall behavior of the model)

## HOW TO USE IT

(how to use the model, including a description of each of the items in the Interface tab)

## THINGS TO NOTICE

(suggested things for the user to notice while running the model)

## THINGS TO TRY

(suggested things for the user to try to do (move sliders, switches, etc.) with the model)

## EXTENDING THE MODEL

(suggested things to add or change in the Code tab to make the model more complicated, detailed, accurate, etc.)

## NETLOGO FEATURES

(interesting or unusual features of NetLogo that the model uses, particularly in the Code tab; or where workarounds were needed for missing features)

## RELATED MODELS

(models in the NetLogo Models Library and elsewhere which are of related interest)

## CREDITS AND REFERENCES

(a reference to the model's URL on the web if it has one, as well as any other necessary credits, citations, and links)
@#$#@#$#@
default
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airplane
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cylinder
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ufo side
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wheel
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wolf
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x
false
0
Polygon -7500403 true true 270 75 225 30 30 225 75 270
Polygon -7500403 true true 30 75 75 30 270 225 225 270
@#$#@#$#@
NetLogo 6.0.3
@#$#@#$#@
@#$#@#$#@
@#$#@#$#@
@#$#@#$#@
@#$#@#$#@
default
0.0
-0.2 0 0.0 1.0
0.0 1 1.0 0.0
0.2 0 0.0 1.0
link direction
true
0
Line -7500403 true 150 150 90 180
Line -7500403 true 150 150 210 180
@#$#@#$#@
0
@#$#@#$#@