104 lines
3.3 KiB
GDScript
104 lines
3.3 KiB
GDScript
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class_name BurnZones
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extends Node3D
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const RADIUS := 3.5
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const DURATION := 3.0
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const DAMAGE_PER_SECOND := 8.0
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const TICK := 0.25
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var game: Node3D
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var zones: Dictionary = {}
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var visuals: Dictionary = {}
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var serial := 0
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func ignite(pos: Vector3, owner_id: int) -> void:
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if not game.is_host:
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return
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var hit := ground_at(pos + Vector3.UP * 0.2, 14)
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if hit.is_empty():
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return
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serial += 1
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var point: Vector3 = hit.position + Vector3.UP * 0.035
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zones[serial] = {"id": serial, "p": point, "owner": owner_id, "left": DURATION, "clock": 0.0}
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show_zone(zones[serial])
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func ground_at(pos: Vector3, depth: float) -> Dictionary:
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var query := PhysicsRayQueryParameters3D.create(pos, pos + Vector3.DOWN * depth, 1)
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var hit := get_world_3d().direct_space_state.intersect_ray(query)
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return hit if not hit.is_empty() and hit.normal.y > 0.65 else {}
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func advance(dt: float) -> void:
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if not game.is_host:
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return
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for id in zones.keys():
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var zone: Dictionary = zones[id]
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var alive_time := minf(maxf(0, dt), zone.left)
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zone.left -= alive_time
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zone.clock += alive_time
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while zone.clock + 0.00001 >= TICK:
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zone.clock -= TICK
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if not game.match_over and game.players.has(zone.owner):
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var source: Fighter = game.players[zone.owner]
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for target: Fighter in game.players.values():
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if affects(zone.p, target):
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game.combat.damage(target, source, DAMAGE_PER_SECOND * TICK, "FRAG / FIRE", false, zone.p)
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if zone.left <= 0 or not game.players.has(zone.owner):
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remove_zone(id)
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func affects(pos: Vector3, target: Fighter) -> bool:
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# Flames occupy one floor, not a vertical cylinder through the entire house.
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var offset := target.global_position - pos
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return absf(offset.y) < 1.5 and Vector2(offset.x, offset.z).length() < RADIUS \
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and game.visible_between(pos + Vector3.UP * 0.25, target.eye(), [target.get_rid()])
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func snapshot() -> Array:
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var result := []
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for zone: Dictionary in zones.values():
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result.append({"id": zone.id, "p": zone.p, "owner": zone.owner, "left": zone.left})
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return result
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func sync(rows: Array) -> void:
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if game.is_host:
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return
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var seen := []
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for row: Dictionary in rows:
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seen.append(row.id)
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zones[row.id] = row.duplicate()
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show_zone(row)
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for id in zones.keys():
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if not id in seen:
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remove_zone(id)
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func show_zone(zone: Dictionary) -> void:
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if game.headless:
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return
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if visuals.has(zone.id) and is_instance_valid(visuals[zone.id]):
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visuals[zone.id].remaining = zone.left
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return
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var points: Array[Vector3] = []
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var count: int = [10, 16, 20][game.graphics_quality]
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for i in count:
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var angle := i * 2.399963
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var radius := sqrt(float(i) / count) * (RADIUS - 0.8)
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var sample: Vector3 = zone.p + Vector3(cos(angle), 0, sin(angle)) * radius
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if not game.visible_between(zone.p + Vector3.UP * 0.3, sample + Vector3.UP * 0.3):
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continue
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var floor_hit := ground_at(sample + Vector3.UP * 0.6, 1.2)
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if not floor_hit.is_empty():
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points.append(floor_hit.position + Vector3.UP * 0.04)
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var effect := BurnVisual.new()
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effect.points = points
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effect.remaining = zone.left
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add_child(effect)
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visuals[zone.id] = effect
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func remove_zone(id: int) -> void:
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zones.erase(id)
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if visuals.has(id):
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if is_instance_valid(visuals[id]):
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visuals[id].queue_free()
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visuals.erase(id)
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func clear() -> void:
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for id in zones.keys():
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remove_zone(id)
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