/// <summary>
/// Call this to initialize an GameObject with data supplied in a file.
/// </summary>
/// <param name="fileName">The file to load from.</param>
public virtual void LoadContent(String fileName)
{
// Give this object a unique id and increment the counter so that the next
// object gets a unique id as well.
mID = mUniqueIDCounter++;
mDirection = new Direction();
mFactoryInfo = new GameObjectFactory.FactoryInfo();
mClassifications = new List <GameObjectDefinition.Classifications>();
mCollisionRectangle = new Math.Rectangle();
mRenderRectangle = new Math.Rectangle();
mTemplateFileName = fileName;
if (null != fileName)
{
GameObjectDefinition def = GameObjectManager.pInstance.pContentManager.Load <GameObjectDefinition>(fileName);
mRenderPriority = def.mRenderPriority;
mDoUpdate = def.mDoUpdate;
mDoRender = def.mDoRender;
mPosition = def.mPosition;
mRotation = def.mRotation;
mScale = def.mScale;
mIsStatic = def.mIsStatic;
mCollisionRectangle = new Math.Rectangle(def.mCollisionBoxDimensions);
mCollisionRectangle.pCenterPoint = mPosition;
// Being lazy for now. Just assume that a scaler of collision box is big enough to always show character.
mRenderRectangle = new Math.Rectangle(def.mCollisionBoxDimensions * 4f);
mRenderRectangle.pCenterPoint = mPosition;
mMotionRoot = def.mMotionRoot;
if (def.mCollisionRoot == null)
{
mCollisionRoot = Vector2.Zero;
}
else
{
mCollisionRoot = def.mCollisionRoot;
}
for (Int32 i = 0; def.mClassifications != null && i < def.mClassifications.Count; i++)
{
mClassifications.Add(def.mClassifications[i]);
}
mBlendMode = def.mBlendMode;
for (Int32 i = 0; i < def.mBehaviourFileNames.Count; i++)
{
String goRootPath = System.IO.Path.GetDirectoryName(fileName);
Behaviour.Behaviour temp = CreateBehaviourByName(def.mBehaviourClassNames[i], goRootPath + "\\Behaviours\\" + def.mBehaviourFileNames[i]);
mBehaviours.Add(temp);
}
}
else
{
mRenderPriority = 50;
mDoUpdate = true;
mDoRender = true;
mBlendMode = GameObjectDefinition.BlendMode.STANDARD;
}
}
/// <summary>
/// Should be called once per render update.
/// </summary>
/// <param name="batch">Where sprites will be rendered to.</param>
/// <param name="showDebugInfo">True if debug information should be shown this frame.</param>
public void Render(SpriteBatch batch, Boolean showDebugInfo)
{
mGameObjects.Sort(CompareByRenderPriority);
// Keep track of the blend modes so that we can detect when it needs to change.
GameObjectDefinition.BlendMode currentBlend = GameObjectDefinition.BlendMode.UNDEFINED;
mLastNumObjectsRendered = 0;
for (int i = 0; i < mGameObjects.Count; i++)
{
GameObject obj = mGameObjects[i];
GameObjectDefinition.BlendMode blend = obj.pBlendMode;
if (obj.pDoRender == true)
{
if (obj.pCollisionRect.pDimensions == Vector2.Zero || CameraManager.pInstance.IsOnCamera(obj.pRenderRect))
{
// Has the blend mode changed from the previous game object to this one?
if (currentBlend != blend)
{
if (blend == GameObjectDefinition.BlendMode.UNDEFINED)
{
System.Diagnostics.Debug.Assert(false, "Attempting to rendering Game Object with UNDEFINED blend mode.");
}
// Did the last game object set the blend mode, meaning we have to end it?
// This is true for the first game object being rendered.
if (currentBlend != GameObjectDefinition.BlendMode.UNDEFINED)
{
batch.End();
}
// Update the current blend mode so that we can tell when it changes.
currentBlend = blend;
if (blend == GameObjectDefinition.BlendMode.STANDARD)
{
batch.Begin(SpriteSortMode.Immediate, BlendState.NonPremultiplied, null, null, null, mDefaultEffect, CameraManager.pInstance.pFinalTransform);
// Keep the sprites looking crisp.
batch.GraphicsDevice.SamplerStates[0] = mSpriteSamplerState;
batch.GraphicsDevice.RasterizerState = mSpriteRasterState;
}
else if (blend == GameObjectDefinition.BlendMode.TEST)
{
// Keeping the TEST blend mode around because it will be handy for trying out new stuff, but
// in the mean time we want to catch GameObjects using it by accident.
System.Diagnostics.Debug.Assert(false, "BlendMode.TEST in use but not currently implemented.");
}
else if (blend == GameObjectDefinition.BlendMode.MULTIPLY)
{
batch.Begin(SpriteSortMode.Immediate, mMultiply, null, null, null, mDefaultEffect, CameraManager.pInstance.pFinalTransform);
// Keep the sprites looking crisp.
batch.GraphicsDevice.SamplerStates[0] = mSpriteSamplerState;
batch.GraphicsDevice.RasterizerState = mSpriteRasterState;
}
else if (blend == GameObjectDefinition.BlendMode.MULTIPLY_UI)
{
// Use the Multiply blend mode but ignore the camera, so that it renders in screen
// space.
batch.Begin(SpriteSortMode.Immediate, mMultiply, null, null, null, mDefaultEffect);
// Keep the sprites looking crisp.
batch.GraphicsDevice.SamplerStates[0] = mSpriteSamplerState;
batch.GraphicsDevice.RasterizerState = mSpriteRasterState;
}
else if (blend == GameObjectDefinition.BlendMode.STANDARD_UI)
{
batch.Begin(
SpriteSortMode.Immediate,
BlendState.NonPremultiplied,
null, null, null, mDefaultEffect,
CameraManager.pInstance.pFinalTransformUI);
// Keep the sprites looking crisp.
batch.GraphicsDevice.SamplerStates[0] = mSpriteSamplerState;
batch.GraphicsDevice.RasterizerState = mSpriteRasterState;
}
else if (blend != GameObjectDefinition.BlendMode.UNDEFINED)
{
System.Diagnostics.Debug.Assert(false, "Unhandled blend mode.");
}
}
obj.Render(batch, mDefaultEffect);
mLastNumObjectsRendered++;
if (showDebugInfo)
{
DebugShapeDisplay.pInstance.AddAABB(obj.pCollisionRect, Color.Green);
DebugShapeDisplay.pInstance.AddTransform(obj.pPosition);
}
}
}
}
batch.End();
}
