88 lines
3.9 KiB
VB.net
88 lines
3.9 KiB
VB.net
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Public Class ModelManager
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Shared ModelList As New Dictionary(Of String, Model)
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Public Shared Function GetModel(ByVal Path As String) As Model
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Dim cContent As ContentManager = ContentPackManager.GetContentManager(Path, ".xnb")
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Dim tKey As String = cContent.RootDirectory & "\" & Path
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If ModelList.Keys.Contains(tKey) = False Then
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Dim m As Model = cContent.Load(Of Model)(Path)
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ModelList.Add(tKey, CreateShallowCopy(m))
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End If
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Return ModelList(tKey)
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End Function
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''' <summary>
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''' This method creates a shallow copy of the Model class.
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''' And because there's no other way to properly do this, we access its Protected method MemberwiseClone (inherited from Object) via reflection.
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''' </summary>
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''' <param name="m">The model to copy.</param>
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Private Shared Function CreateShallowCopy(ByVal m As Model) As Model
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Dim memberWiseCloneMethod As Reflection.MethodInfo = m.GetType().GetMethod("MemberwiseClone", Reflection.BindingFlags.NonPublic Or 'I AM SO SORRY!!!
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Reflection.BindingFlags.Instance Or
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Reflection.BindingFlags.FlattenHierarchy)
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Return CType(memberWiseCloneMethod.Invoke(m, {}), Model) 'invokes the method on the passed in Model instance to create a shallow copy.
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End Function
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Public Shared Function ModelExist(ByVal Path As String) As Boolean
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Dim cContent As ContentManager = ContentPackManager.GetContentManager(Path, ".xnb")
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If Path = "" Then
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Return False
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End If
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If System.IO.File.Exists(GameController.GamePath & "\" & cContent.RootDirectory & "\" & Path & ".xnb") = True Then
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Return True
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Else
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Return False
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End If
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End Function
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Public Shared Sub Clear()
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ModelList.Clear()
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End Sub
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Public Shared Function DrawModelToTexture(ByVal modelName As String, ByVal renderTarget As RenderTarget2D, ByVal modelPosition As Vector3, ByVal cameraPosition As Vector3, ByVal cameraRotation As Vector3, ByVal Scale As Single, ByVal enableLight As Boolean) As Texture2D
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Core.GraphicsDevice.SetRenderTarget(renderTarget)
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Core.GraphicsDevice.Clear(Color.Transparent)
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Core.GraphicsDevice.BlendState = BlendState.Opaque
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Core.GraphicsDevice.SamplerStates(0) = Core.sampler
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Dim m As Model = ModelManager.GetModel(modelName)
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If enableLight = True Then
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For Each mesh As ModelMesh In m.Meshes
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For Each Effect As BasicEffect In mesh.Effects
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Lighting.UpdateLighting(Effect, True)
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Effect.DirectionalLight0.DiffuseColor = New Vector3(0.7)
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Effect.DirectionalLight1.DiffuseColor = New Vector3(0.7)
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Effect.DirectionalLight2.DiffuseColor = New Vector3(0.7)
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Effect.DirectionalLight0.Direction = New Vector3(0, 1, 0)
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Effect.DirectionalLight1.Direction = New Vector3(1, 0, 0)
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Effect.DirectionalLight2.Direction = New Vector3(0, 0, 1)
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Effect.DirectionalLight0.Enabled = True
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Effect.DirectionalLight1.Enabled = True
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Effect.DirectionalLight2.Enabled = True
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Next
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Next
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End If
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m.Draw(Matrix.CreateFromYawPitchRoll(cameraRotation.X, cameraRotation.Y, cameraRotation.Z) * Matrix.CreateScale(New Vector3(Scale)) * Matrix.CreateTranslation(modelPosition), Matrix.CreateLookAt(cameraPosition, modelPosition, Vector3.Up), Matrix.CreatePerspectiveFieldOfView(MathHelper.ToRadians(45.0F), Core.GraphicsDevice.Viewport.AspectRatio, 0.1F, 10000.0F))
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Core.GraphicsDevice.SetRenderTarget(Nothing)
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Return renderTarget
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End Function
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End Class
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