/// <summary>
/// Checks if there is a <see cref="Model"/> to draw and draws it with specified Effect.
/// </summary>
/// <param name="scene"></param>
/// <param name="spriteBatch"></param>
protected virtual void DrawWithSpecificEffect(GameScene scene, Matrix view, Matrix projection, Effect effect, Action <GameObject, Effect, Matrix[], ModelMesh, GameScene> effectParams, bool applySceneLighting, string technique = null)
{
if (this.Model == null)
{
return; // No model means it can't be rendered.
}
// copy the scale of bones from the model to apply it later.
var transformMatrices = new Matrix[this.Model.Bones.Count];
this.Model.CopyAbsoluteBoneTransformsTo(transformMatrices);
var originalRastState = scene.Game.GraphicsDevice.RasterizerState;
if (!CullingEnabled)
{
var newRastState = new RasterizerState
{
CullMode = CullMode.None,
DepthBias = originalRastState.DepthBias,
DepthClipEnable = originalRastState.DepthClipEnable,
FillMode = originalRastState.FillMode,
MultiSampleAntiAlias = originalRastState.MultiSampleAntiAlias,
ScissorTestEnable = originalRastState.ScissorTestEnable,
SlopeScaleDepthBias = originalRastState.SlopeScaleDepthBias
};
scene.Game.GraphicsDevice.RasterizerState = newRastState;
}
if (technique == null)
{
foreach (var pass in effect.CurrentTechnique.Passes)
{
foreach (var mesh in Model.Meshes)
{
foreach (var part in mesh.MeshParts)
{
part.Effect = effect;
effectParams.Invoke(this, part.Effect, transformMatrices, mesh, scene);
if (applySceneLighting)
{
scene.AddLightningToEffect(part.Effect);
}
}
mesh.Draw();
}
}
}
else
{
foreach (var pass in effect.Techniques[technique].Passes)
{
foreach (var mesh in Model.Meshes)
{
foreach (var part in mesh.MeshParts)
{
part.Effect = effect;
effectParams.Invoke(this, part.Effect, transformMatrices, mesh, scene);
if (applySceneLighting)
{
scene.AddLightningToEffect(part.Effect);
}
}
mesh.Draw();
}
}
}
if (!CullingEnabled)
{
scene.Game.GraphicsDevice.RasterizerState = originalRastState;
}
}
/// <summary>
/// Checks if there is a <see cref="Model"/> to draw and draws it.
/// </summary>
/// <param name="scene"></param>
/// <param name="spriteBatch"></param>
protected virtual void Draw(GameScene scene, Matrix view, Matrix projection)
{
if (this.Model == null)
{
return; // No model means it can't be rendered.
}
// copy the scale of bones from the model to apply it later.
var transformMatrices = new Matrix[this.Model.Bones.Count];
this.Model.CopyAbsoluteBoneTransformsTo(transformMatrices);
var originalRastState = scene.Game.GraphicsDevice.RasterizerState;
if (!CullingEnabled)
{
var newRastState = new RasterizerState
{
CullMode = CullMode.None,
DepthBias = originalRastState.DepthBias,
DepthClipEnable = originalRastState.DepthClipEnable,
FillMode = originalRastState.FillMode,
MultiSampleAntiAlias = originalRastState.MultiSampleAntiAlias,
ScissorTestEnable = originalRastState.ScissorTestEnable,
SlopeScaleDepthBias = originalRastState.SlopeScaleDepthBias
};
scene.Game.GraphicsDevice.RasterizerState = newRastState;
}
foreach (ModelMesh mesh in this.Model.Meshes)
{
if (this.Effect == null)
{
foreach (Effect effect in mesh.Effects)
{
if (!(effect is BasicEffect))
{
continue;
}
BasicEffect basisEffect = (BasicEffect)effect;
// calculating the full rotation of our object.
//Console.WriteLine($"POS: {this.GetHierarchyPosition().X} {this.GetHierarchyPosition().Y} {this.GetHierarchyPosition().Z}");
basisEffect.World = transformMatrices[mesh.ParentBone.Index]
* this.ScaleMatrix
* this.RotationMatrix
* Matrix.CreateTranslation(this.GetHierarchyPosition());
basisEffect.View = view;
basisEffect.Projection = projection;
scene.AddLightningToEffect(basisEffect);
}
}
else
{
foreach (var part in mesh.MeshParts)
{
part.Effect = this.Effect;
this.EffectParams.Invoke(this, part.Effect, transformMatrices, mesh, scene);
if (ApplySceneLight)
{
scene.AddLightningToEffect(part.Effect);
}
}
}
mesh.Draw();
}
if (!CullingEnabled)
{
scene.Game.GraphicsDevice.RasterizerState = originalRastState;
}
}