114 lines
3.3 KiB
C#
114 lines
3.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using OpenRA.FileFormats;
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using OpenRA.Mods.RA.Air;
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using OpenRA.Mods.RA.Buildings;
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using OpenRA.Traits;
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namespace OpenRA.Mods.RA
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{
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public class CrateDropInfo : ITraitInfo
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{
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[Desc("Minimum number of crates")]
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public readonly int Minimum = 1;
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[Desc("Maximum number of crates")]
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public readonly int Maximum = 255;
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[Desc("Which terrain types can we drop on?")]
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public readonly string[] ValidGround = {"Clear", "Rough", "Road", "Ore", "Beach"};
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[Desc("Which terrain types count as water?")]
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public readonly string[] ValidWater = {"Water"};
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[Desc("Average time (seconds) between crate spawn")]
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public readonly int SpawnInterval = 180;
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[Desc("Chance of generating a water crate instead of a land crate")]
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public readonly float WaterChance = .2f;
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public object Create (ActorInitializer init) { return new CrateDrop(this); }
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}
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public class CrateDrop : ITick
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{
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List<Actor> crates = new List<Actor>();
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int ticks = 0;
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CrateDropInfo Info;
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public CrateDrop(CrateDropInfo info) { Info = info; }
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public void Tick(Actor self)
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{
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if (!self.World.LobbyInfo.GlobalSettings.Crates) return;
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if (--ticks <= 0)
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{
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ticks = Info.SpawnInterval * 25; // TODO: randomize
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crates.RemoveAll(x => !x.IsInWorld); // BUG: this removes crates that are cargo of a BADR!
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var toSpawn = Math.Max(0, Info.Minimum - crates.Count)
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+ (crates.Count < Info.Maximum ? 1 : 0);
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for (var n = 0; n < toSpawn; n++)
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SpawnCrate(self);
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}
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}
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CPos? ChooseDropCell(Actor self, bool inWater, int maxTries)
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{
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for( var n = 0; n < maxTries; n++ )
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{
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var p = self.World.ChooseRandomCell(self.World.SharedRandom);
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// Is this valid terrain?
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var terrainType = self.World.GetTerrainType(p);
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if (!(inWater ? Info.ValidWater : Info.ValidGround).Contains(terrainType)) continue;
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// Don't drop on any actors
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if (self.World.WorldActor.Trait<BuildingInfluence>().GetBuildingAt(p) != null) continue;
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if (self.World.ActorMap.GetUnitsAt(p).Any()) continue;
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return p;
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}
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return null;
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}
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void SpawnCrate(Actor self)
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{
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var inWater = self.World.SharedRandom.NextFloat() < Info.WaterChance;
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var pp = ChooseDropCell(self, inWater, 100);
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if (pp == null) return;
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var p = pp.Value; //
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self.World.AddFrameEndTask(w =>
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{
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var crate = w.CreateActor(false, "crate", new TypeDictionary { new OwnerInit(w.WorldActor.Owner) });
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crates.Add(crate);
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var startPos = w.ChooseRandomEdgeCell();
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var plane = w.CreateActor("badr", new TypeDictionary
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{
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new LocationInit( startPos ),
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new OwnerInit( w.WorldActor.Owner),
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new FacingInit( Util.GetFacing(p - startPos, 0) ),
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new AltitudeInit( Rules.Info["badr"].Traits.Get<AircraftInfo>().CruiseAltitude ),
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});
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plane.CancelActivity();
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plane.QueueActivity(new FlyAttack(Target.FromCell(p)));
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plane.Trait<ParaDrop>().SetLZ(p);
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plane.Trait<Cargo>().Load(plane, crate);
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});
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}
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}
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}
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