82 lines
3.9 KiB
GDScript
82 lines
3.9 KiB
GDScript
extends RefCounted
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const BUILDING_SCALE := 0.65
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const KINDS := ["ruined_house","warehouse","radar","airstrip","fuel_depot","solar_farm","scrapyard"]
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const WIDTHS := {"ruined_house":135.0,"warehouse":180.0,"radar":130.0,"airstrip":290.0,"fuel_depot":150.0,"solar_farm":180.0,"scrapyard":160.0,"engineer_camp":130.0}
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static func generate(data: Dictionary, rng: RandomNumberGenerator) -> void:
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data.structures = []
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data.events = []
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for index in rng.randi_range(2,5):
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var kind: String = KINDS[rng.randi_range(0,KINDS.size()-1)]
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var width: float = WIDTHS[kind]*BUILDING_SCALE*rng.randf_range(0.85,1.15)
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var position := find_site(data,rng,width*0.55)
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if position == Vector2.INF:
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continue
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data.structures.append({"kind":kind,"position":position,"size":width,"rotation":rng.randf_range(-PI,PI)})
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var event_rng := RandomNumberGenerator.new()
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event_rng.seed = int(data.seed) ^ 0x45564e54
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var position := find_event_site(data,event_rng)
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var kinds: Array = preload("res://scripts/planets/surface_events.gd").KINDS
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data.events.append({"kind":kinds[event_rng.randi_range(0,kinds.size()-1)],"position":position,"seed":event_rng.randi(),"complete":false,"discovered":false})
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data.trees = data.trees.filter(func(prop): return prop.position.distance_to(position) > 90+float(prop.size)*0.3)
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data.mountains = data.mountains.filter(func(prop): return prop.position.distance_to(position) > 90+float(prop.size)*0.7)
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data.rocks = data.rocks.filter(func(prop): return prop.position.distance_to(position) > 80)
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var clearings: Array = data.structures.duplicate()
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for clearing in clearings:
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data.trees = data.trees.filter(func(prop): return prop.position.distance_to(clearing.position) > float(clearing.size)*0.6+float(prop.size)*0.3)
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data.rocks = data.rocks.filter(func(prop): return prop.position.distance_to(clearing.position) > float(clearing.size)*0.6+float(prop.size)*0.3)
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static func find_site(data: Dictionary, rng: RandomNumberGenerator, radius: float) -> Vector2:
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for attempt in 300:
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var point := Vector2(rng.randf_range(-1600,1600),rng.randf_range(-1600,1600))
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if point.length() < radius+250:
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continue
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var good := true
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var minimum := 1.0
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var maximum := 0.0
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for offset in [Vector2.ZERO,Vector2.LEFT,Vector2.RIGHT,Vector2.UP,Vector2.DOWN,Vector2(-0.7,-0.7),Vector2(0.7,0.7),Vector2(-0.7,0.7),Vector2(0.7,-0.7)]:
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var at: Vector2 = point+offset*radius
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var x := clampi(int((at.x+1920)/40),0,95)
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var y := clampi(int((at.y+1920)/40),0,95)
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var h: float = data.heights[y*96+x]
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minimum = minf(minimum,h)
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maximum = maxf(maximum,h)
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if minimum < 0.32 or maximum > 0.76 or maximum-minimum > 0.16:
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continue
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for mountain in data.mountains:
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if point.distance_to(mountain.position) < radius+float(mountain.size)*0.7:
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good = false
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break
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for poi in data.pois:
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if point.distance_to(poi.position) < radius+150:
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good = false
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break
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for structure in data.structures:
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if point.distance_to(structure.position) < radius+float(structure.size)*0.65+60:
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good = false
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break
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if good:
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return point
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return Vector2.INF
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static func find_event_site(data: Dictionary, rng: RandomNumberGenerator) -> Vector2:
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var preferred := find_site(data,rng,60)
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if preferred != Vector2.INF: return preferred
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# Lander movement supports every terrain. Guarantee one encounter even on
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# maps without flat ground, away from the landing pad and other locations.
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var chosen := Vector2(1200,1200)
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var best_clearance := -INF
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for y in range(-1600,1601,160):
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for x in range(-1600,1601,160):
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var point := Vector2(x,y)
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if point.length() < 400: continue
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var clearance := point.length()-310
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for poi in data.pois:
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clearance = minf(clearance,point.distance_to(poi.position)-210)
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for structure in data.structures:
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clearance = minf(clearance,point.distance_to(structure.position)-float(structure.size)*0.65-120)
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if clearance > best_clearance:
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best_clearance = clearance
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chosen = point
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return chosen
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