hondacrx
253 lines
8.9 KiB
C#
253 lines
8.9 KiB
C#
/*
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* Copyright (C) 2012-2018 CypherCore <http://github.com/CypherCore>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using Framework.GameMath;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using Framework.Constants;
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namespace Game.Collision
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{
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public class StaticModelList
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{
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public static Dictionary<uint, GameobjectModelData> models = new Dictionary<uint, GameobjectModelData>();
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}
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public abstract class GameObjectModelOwnerBase
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{
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public abstract bool IsSpawned();
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public abstract uint GetDisplayId();
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public abstract byte GetNameSetId();
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public abstract bool IsInPhase(PhaseShift phaseShift);
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public abstract Vector3 GetPosition();
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public abstract float GetOrientation();
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public abstract float GetScale();
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}
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public class GameObjectModel : IModel
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{
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bool initialize(GameObjectModelOwnerBase modelOwner)
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{
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var modelData = StaticModelList.models.LookupByKey(modelOwner.GetDisplayId());
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if (modelData == null)
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return false;
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AxisAlignedBox mdl_box = new AxisAlignedBox(modelData.bound);
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// ignore models with no bounds
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if (mdl_box == AxisAlignedBox.Zero())
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{
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Log.outError(LogFilter.Server, "GameObject model {0} has zero bounds, loading skipped", modelData.name);
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return false;
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}
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iModel = Global.VMapMgr.acquireModelInstance(modelData.name);
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if (iModel == null)
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return false;
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name = modelData.name;
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iPos = modelOwner.GetPosition();
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iScale = modelOwner.GetScale();
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iInvScale = 1.0f / iScale;
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Matrix3 iRotation = Matrix3.fromEulerAnglesZYX(modelOwner.GetOrientation(), 0, 0);
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iInvRot = iRotation.inverse();
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// transform bounding box:
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mdl_box = new AxisAlignedBox(mdl_box.Lo * iScale, mdl_box.Hi * iScale);
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AxisAlignedBox rotated_bounds = new AxisAlignedBox();
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for (int i = 0; i < 8; ++i)
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rotated_bounds.merge(iRotation * mdl_box.corner(i));
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iBound = rotated_bounds + iPos;
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owner = modelOwner;
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isWmo = modelData.isWmo;
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return true;
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}
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public static GameObjectModel Create(GameObjectModelOwnerBase modelOwner)
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{
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GameObjectModel mdl = new GameObjectModel();
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if (!mdl.initialize(modelOwner))
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return null;
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return mdl;
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}
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public override bool IntersectRay(Ray ray, ref float maxDist, bool stopAtFirstHit, PhaseShift phaseShift)
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{
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if (!isCollisionEnabled() || !owner.IsSpawned())
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return false;
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if (!owner.IsInPhase(phaseShift))
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return false;
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float time = ray.intersectionTime(iBound);
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if (time == float.PositiveInfinity)
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return false;
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// child bounds are defined in object space:
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Vector3 p = iInvRot * (ray.Origin - iPos) * iInvScale;
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Ray modRay = new Ray(p, iInvRot * ray.Direction);
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float distance = maxDist * iInvScale;
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bool hit = iModel.IntersectRay(modRay, ref distance, stopAtFirstHit);
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if (hit)
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{
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distance *= iScale;
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maxDist = distance;
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}
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return hit;
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}
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public override void IntersectPoint(Vector3 point, AreaInfo info, PhaseShift phaseShift)
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{
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if (!isCollisionEnabled() || !owner.IsSpawned() || !isMapObject())
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return;
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if (!owner.IsInPhase(phaseShift))
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return;
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if (!iBound.contains(point))
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return;
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// child bounds are defined in object space:
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Vector3 pModel = iInvRot * (point - iPos) * iInvScale;
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Vector3 zDirModel = iInvRot * new Vector3(0.0f, 0.0f, -1.0f);
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float zDist;
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if (iModel.IntersectPoint(pModel, zDirModel, out zDist, info))
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{
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Vector3 modelGround = pModel + zDist * zDirModel;
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float world_Z = ((modelGround * iInvRot) * iScale + iPos).Z;
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if (info.ground_Z < world_Z)
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{
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info.ground_Z = world_Z;
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info.adtId = owner.GetNameSetId();
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}
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}
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}
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public bool UpdatePosition()
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{
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if (iModel == null)
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return false;
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var it = StaticModelList.models.LookupByKey(owner.GetDisplayId());
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if (it == null)
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return false;
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AxisAlignedBox mdl_box = new AxisAlignedBox(it.bound);
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// ignore models with no bounds
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if (mdl_box == AxisAlignedBox.Zero())
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{
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Log.outError(LogFilter.Server, "GameObject model {0} has zero bounds, loading skipped", it.name);
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return false;
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}
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iPos = owner.GetPosition();
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Matrix3 iRotation = Matrix3.fromEulerAnglesZYX(owner.GetOrientation(), 0, 0);
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iInvRot = iRotation.inverse();
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// transform bounding box:
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mdl_box = new AxisAlignedBox(mdl_box.Lo * iScale, mdl_box.Hi * iScale);
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AxisAlignedBox rotated_bounds = new AxisAlignedBox();
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for (int i = 0; i < 8; ++i)
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rotated_bounds.merge(iRotation * mdl_box.corner(i));
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iBound = rotated_bounds + iPos;
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return true;
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}
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public override Vector3 getPosition() { return iPos; }
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public override AxisAlignedBox getBounds() { return iBound; }
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public void enableCollision(bool enable) { _collisionEnabled = enable; }
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bool isCollisionEnabled() { return _collisionEnabled; }
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public bool isMapObject() { return isWmo; }
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public static void LoadGameObjectModelList()
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{
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uint oldMSTime = Time.GetMSTime();
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var filename = Global.WorldMgr.GetDataPath() + "/vmaps/GameObjectModels.dtree";
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if (!File.Exists(filename))
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{
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Log.outWarn(LogFilter.Server, "Unable to open '{0}' file.", filename);
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return;
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}
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try
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{
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using (BinaryReader reader = new BinaryReader(new FileStream(filename, FileMode.Open, FileAccess.Read)))
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{
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string magic = reader.ReadStringFromChars(8);
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if (magic != MapConst.VMapMagic)
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{
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Log.outError(LogFilter.Misc, $"File '{filename}' has wrong header, expected {MapConst.VMapMagic}.");
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return;
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}
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long length = reader.BaseStream.Length;
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while (true)
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{
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if (reader.BaseStream.Position >= length)
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break;
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uint displayId = reader.ReadUInt32();
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bool isWmo = reader.ReadBoolean();
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int name_length = reader.ReadInt32();
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string name = reader.ReadString(name_length);
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Vector3 v1 = reader.Read<Vector3>();
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Vector3 v2 = reader.Read<Vector3>();
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StaticModelList.models.Add(displayId, new GameobjectModelData(name, v1, v2, isWmo));
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}
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}
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}
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catch (EndOfStreamException ex)
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{
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Log.outException(ex);
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}
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Log.outInfo(LogFilter.ServerLoading, "Loaded {0} GameObject models in {1} ms", StaticModelList.models.Count, Time.GetMSTimeDiffToNow(oldMSTime));
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}
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string name;
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bool _collisionEnabled;
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AxisAlignedBox iBound;
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Matrix3 iInvRot;
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Vector3 iPos;
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float iInvScale;
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float iScale;
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WorldModel iModel;
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GameObjectModelOwnerBase owner;
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bool isWmo;
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}
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public class GameobjectModelData
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{
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public GameobjectModelData(string name_, Vector3 lowBound, Vector3 highBound, bool isWmo_)
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{
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bound = new AxisAlignedBox(lowBound, highBound);
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name = name_;
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isWmo = isWmo_;
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}
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public AxisAlignedBox bound;
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public string name;
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public bool isWmo;
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}
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}
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