/// <summary>
/// Get ammo packs attributes
/// </summary>
/// <param name="xmlDoc">XML document that contains the attributes</param>
public static void LoadAmmoPacksAttributes(XmlDocument xmlDoc, ref GameEntityList sceneObjects)
{
Debug.Assert(xmlDoc != null);
Debug.Assert(sceneObjects != null);
//try to get ammopack list
XmlNodeList nodeList = xmlDoc.GetElementsByTagName("ammopacks");
if (nodeList.Count > 0) //if XML has ammopacks...
{
//get list of ammopacks in scene
XmlElement nodeElement = (XmlElement)nodeList.Item(0);
//List available gun types in project
List<String> guntypeNames = new List<String>(Enum.GetNames(typeof(GunType)));
Int32[] guntypeValues = (Int32[])Enum.GetValues(typeof(GunType));
//get all ammopacks definitions from XML file
foreach (XmlElement xmle in nodeElement.ChildNodes)
{
AmmoPack ap = new AmmoPack();
String assetName = null;
try
{
assetName = Convert.ToString(xmle.GetAttribute("name"));
Int32 position = guntypeNames.IndexOf(xmle.GetAttribute("guntype"));
ap.Quantity = Convert.ToInt32(xmle.GetAttribute("quantity"));
ap.GunType = (GunType)guntypeValues[position];
}
catch (FormatException fe)
{
Log.Write("BuildObjectsList: FormatExpcetion raised");
Log.Write(fe.Message);
}
catch (IndexOutOfRangeException ioore)
{
Log.Write("BuildObjectsList: IndexOutOfRangeException raised");
Log.Write(ioore.Message);
}
catch (InvalidCastException ice)
{
Log.Write("BuildObjectsList: InvalidCastExpcetion raised (did you forget some ammopack setting?)");
Log.Write(ice.Message);
}
sceneObjects.Add(assetName, ap);
}
}
}
/// <summary>
/// Get med packs attributes
/// </summary>
/// <param name="xmlDoc">XML document that contains the attributes</param>
public static void LoadMedPacksAttributes(XmlDocument xmlDoc, ref GameEntityList sceneObjects)
{
Debug.Assert(xmlDoc != null);
Debug.Assert(sceneObjects != null);
//try to get medpack list
XmlNodeList nodeList = xmlDoc.GetElementsByTagName("medpacks");
if (nodeList.Count > 0)
{
XmlElement nodeElement = (XmlElement)nodeList.Item(0);
foreach (XmlElement xmle in nodeElement.ChildNodes)
{
MedPack mp = new MedPack();
String assetName = null;
try
{
assetName = Convert.ToString(xmle.GetAttribute("name"));
mp.Quantity = Convert.ToInt32(xmle.GetAttribute("quantity"));
}
catch (InvalidCastException e)
{
Log.Write("BuildObjectsList: InvalidCastExpcetion raised (did you forget some medpack setting?)");
Log.Write(e.Message);
}
sceneObjects.Add(assetName, mp);
}
}
}
public override void Initialize()
{
float aspectRatio = this.device.Viewport.Width /
this.device.Viewport.Height;
this.collisionMesh = new CollisionMesh(sceneModel, 1);
this.sceneObjects = new GameEntityList();
XmlLoaderHelper.LoadPlayerAttributes(xmlDoc, aspectRatio, ref this.camera, ref this.player);
XmlLoaderHelper.LoadGunsAttributes(xmlDoc, ref this.sceneObjects);
XmlLoaderHelper.LoadAmmoPacksAttributes(xmlDoc, ref this.sceneObjects);
XmlLoaderHelper.LoadMedPacksAttributes(xmlDoc, ref this.sceneObjects);
XmlLoaderHelper.LoadEnemiesAttributes(this.Game, xmlDoc, ref this.enemies);
//Create collisionbox for each dynamic entity
if (this.sceneObjects != null)
{
foreach (String meshName in this.sceneObjects.Keys)
{
ModelMesh mesh = null;
this.sceneModel.Meshes.TryGetValue(meshName, out mesh);
if (mesh == null)
continue;
GameEntity geOut = null;
this.sceneObjects.TryGetValue(meshName, out geOut);
if (geOut != null)
{
geOut.ModelMesh = mesh;
mesh.Tag = new object(); //only marks it as a dynamic object
}
}
foreach (String meshName in this.enemies.Keys)
{
ModelMesh mesh = null;
this.sceneModel.Meshes.TryGetValue(meshName, out mesh);
if (mesh == null)
continue;
Enemy eOut = null;
this.enemies.TryGetValue(meshName, out eOut);
if (eOut != null)
{
eOut.ModelMesh = mesh;
Vector3 pos = mesh.BoundingSphere.Center;
eOut.Position = pos;
mesh.Tag = null; //don't render mesh marker
}
}
}
base.Initialize();
}
/// <summary>
/// Get ammo packs attributes
/// </summary>
/// <param name="xmlDoc">XML document that contains the attributes</param>
public static void LoadGunsAttributes(XmlDocument xmlDoc, ref GameEntityList sceneObjects)
{
Debug.Assert(xmlDoc != null);
Debug.Assert(sceneObjects != null);
XmlNodeList nodeList = xmlDoc.GetElementsByTagName("guns");
if (nodeList.Count > 0) //if XML has ammopacks...
{
//get list of guns in scene
XmlElement nodeElement = (XmlElement)nodeList.Item(0);
//List available gun types in project
List<String> guntypeNames = new List<String>(Enum.GetNames(typeof(GunType)));
Int32[] guntypeValues = (Int32[])Enum.GetValues(typeof(GunType));
//get all guns definitions from XML file
foreach (XmlElement xmle in nodeElement.ChildNodes)
{
String assetName = null;
Gun g = new Gun();
try
{
assetName = Convert.ToString(xmle.GetAttribute("name"));
g.NumberOfBullets = Convert.ToInt32(xmle.GetAttribute("bullets"));
//traduz o string em um tipo enumerado
Int32 position = guntypeNames.IndexOf(xmle.GetAttribute("guntype"));
g.GunType = (GunType)guntypeValues[position];
g.IsRotatable = Convert.ToBoolean(xmle.GetAttribute("isRotatable"));
if (g.IsRotatable == true)
g.AngleOffset = Convert.ToSingle(xmle.GetAttribute("angleOffset"));
String spriteName = Convert.ToString(xmle.GetAttribute("spriteAssetName"));
String bulletAssetName = Convert.ToString(xmle.GetAttribute("bulletAssetName"));
Model bulletModel = SystemResources.Content.Load<Model>(@bulletAssetName);
int bulletLifeTime = Convert.ToInt32(xmle.GetAttribute("bulletLifeTime"));
g.Sprite = SystemResources.Content.Load<Texture2D>(@spriteName);
g.Bullet = new Bullet(bulletLifeTime, bulletModel.Meshes[0]);
g.Bullet.Damage = Convert.ToInt32(xmle.GetAttribute("bulletDamage"));
g.Bullet.BulletModel = bulletModel;
}
catch (InvalidCastException e)
{
Log.Write("BuildObjectsList: InvalidCastExpcetion raised (did you forget some ammopack setting?)");
Log.Write(e.Message);
}
sceneObjects.Add(assetName, g);
}
}
}
/// <summary>
/// Check collisions for dynamic objects
/// </summary>
public virtual void CheckCollisions(GameTime gameTime)
{
GameEntityList deadObjects = new GameEntityList();
CollisionBox cameraBox = new CollisionBox(this.camera.box);
cameraBox.min += this.camera.world.Translation;
cameraBox.max += this.camera.world.Translation;
cameraBox.min.Y -= this.camera.head_height + this.camera.step_height;
cameraBox.max.Y += this.camera.head_height + this.camera.step_height;
///Dynamic objects with player
foreach (GameEntity ge in this.sceneObjects.Values)
{
if (cameraBox.BoxIntersect(ge.Box))
{
if (ge is ICatchable)
{
((ICatchable)ge).Attach(this.player);
deadObjects.Add(ge.ModelMesh.Name, ge);
ge.ModelMesh.Tag = null;
}
else if (ge is IAttachable)
{
if (ge is GameObjectEntity)
this.player.Add((GameObjectEntity)ge);
}
}
ge.Update(gameTime, this.collisionMesh);
}
foreach (GameEntity ge in deadObjects.Values)
{
this.sceneObjects.Remove(ge.ModelMesh.Name);
}
deadObjects.Clear();
///Enemies with player
foreach (Enemy e in this.enemies.Values)
{
if (e.ActualAnimationState != GameEntityAnimationState.Die)
{
if (cameraBox.BoxIntersect(e.Box))
{
this.SendMessage(player, e, GameEntityMessageType.Hit, gameTime);
}
}
e.Update(gameTime, this.collisionMesh);
}
///Bullets with enemies, static objects...
foreach (Bullet b in this.bullets)
{
Vector3 position = b.Position;
Vector3 speed = b.Speed;
Vector3 new_pos = position + speed * (float)gameTime.ElapsedGameTime.TotalSeconds;
this.collisionMesh.PointMove(position, new_pos, 1.0f, 1.0f, 3, out position);
//these are discartable, just to pass to the PointIntersect method as out parameters
float intersect_distance;
Vector3 intersect_position = new Vector3();
Vector3 intersection_normal = new Vector3();
//collision of bullets with static scenario (walls, etc.)
if (this.collisionMesh.PointIntersect(position, new_pos, out intersect_distance, out intersect_position, out intersection_normal))
{
b.Dead = true;
}
//collision of bullets with enemies
foreach (Enemy e in this.enemies.Values)
{
if (e.Box.PointInside(b.Position))
{
b.Dead = true;
SendMessage(b, e, GameEntityMessageType.Damage, gameTime);
if (e.Health >= 10)
SendMessage(b, e, GameEntityMessageType.Hit, gameTime);
}
}
b.Position = position;
b.Speed = speed;
}
}
