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FbxImporterTests.cs
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FbxImporterTests.cs
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// MonoGame - Copyright (C) The MonoGame Team
// This file is subject to the terms and conditions defined in
// file 'LICENSE.txt', which is part of this source code package.
using System;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Content.Pipeline;
using Microsoft.Xna.Framework.Content.Pipeline.Graphics;
using NUnit.Framework;
using System.Collections.Generic;
using System.IO;
namespace MonoGame.Tests.ContentPipeline
{
class FbxImporterTests
{
// XNA only supported up to the FBX 6.1.0 format
// where as we only support FBX 7.1.0 and newer
// via the Open Asset Importer.
//
// - This is annoying for users porting old samples.
// - Conversion could loose data from the original FBX.
// - Do we care to resolve this in the future?
//
#if XNA
const string DudeFbx = "Assets/Models/Dude/dude.fbx";
#else
const string DudeFbx = "Assets/Models/Dude/dude_2011.fbx";
#endif
[Test]
public void Arguments()
{
var context = new TestImporterContext("TestObj", "TestBin");
var importer = new FbxImporter();
Assert.Throws<ArgumentNullException>(() => importer.Import(null, context));
Assert.Throws<FileNotFoundException>(() => importer.Import("does_not_exist", context));
// XNA bug/omission: crashes with a NullReferenceException
// where as we correctly throw a ArgumentNullException.
#if XNA
Assert.Throws<NullReferenceException>(() => importer.Import(DudeFbx, null));
#else
Assert.Throws<ArgumentNullException>(() => importer.Import("file", null));
#endif
}
[Test]
#if DESKTOPGL
[Ignore("Disabled until latest NVTT is merged on Mac!")]
#endif
public void Dude()
{
var context = new TestImporterContext("TestObj", "TestBin");
var importer = new FbxImporter();
var nodeContent = importer.Import(DudeFbx, context);
Assert.AreEqual("RootNode", nodeContent.Name);
Assert.AreEqual(null, nodeContent.Parent);
Assert.AreEqual(0, nodeContent.Animations.Count);
Assert.AreEqual(Matrix.Identity, nodeContent.Transform);
Assert.AreEqual(Matrix.Identity, nodeContent.AbsoluteTransform);
Assert.NotNull(nodeContent.Identity);
Assert.NotNull(nodeContent.Identity.SourceFilename);
Assert.IsNull(nodeContent.Identity.FragmentIdentifier);
Assert.AreEqual("FbxImporter", nodeContent.Identity.SourceTool);
Assert.AreEqual(2, nodeContent.Children.Count);
// MeshContent
Assert.IsInstanceOf<MeshContent>(nodeContent.Children[0]);
var meshContent = nodeContent.Children[0] as MeshContent;
Assert.AreEqual("him", meshContent.Name);
Assert.AreEqual(nodeContent, meshContent.Parent);
Assert.AreEqual(0, meshContent.Children.Count);
Assert.AreEqual(0, meshContent.Animations.Count);
Assert.AreEqual(0, meshContent.OpaqueData.Count);
Assert.AreEqual(Matrix.Identity, meshContent.AbsoluteTransform);
Assert.AreEqual(Matrix.Identity, meshContent.Transform);
Assert.AreEqual(5, meshContent.Geometry.Count);
// TODO: MG returns more positions than XNA.
//
// - Is this a bug in our FbxImporer?
// - A limitation of AssImp?
// - Conversion bug from FBX 6.1.0 to FBX 7.1.0?
// - Are we missing some welding of verts?
//
#if XNA
Assert.AreEqual(11433, meshContent.Positions.Count);
#else
Assert.AreEqual(13126, meshContent.Positions.Count);
#endif
// MaterialContent
var materials = new Dictionary<string, BasicMaterialContent>();
foreach (var g in meshContent.Geometry)
{
Assert.IsNull(g.Name);
//Assert.IsNull(g.Identity);
Assert.AreEqual(meshContent, g.Parent);
Assert.AreEqual(0, g.OpaqueData.Count);
Assert.Greater(g.Indices.Count, 0);
Assert.Greater(g.Vertices.VertexCount, 0);
Assert.Greater(g.Vertices.Positions.Count, 0);
Assert.Greater(g.Vertices.PositionIndices.Count, 0);
Assert.NotNull(g.Material);
Assert.IsInstanceOf<BasicMaterialContent>(g.Material);
Assert.NotNull(g.Material.Identity);
Assert.NotNull(g.Material.Identity.SourceFilename);
Assert.IsNull(g.Material.Identity.FragmentIdentifier);
Assert.AreEqual("FbxImporter", g.Material.Identity.SourceTool);
Assert.NotNull(g.Material.Name);
Assert.IsFalse(materials.ContainsKey(g.Material.Name));
materials.Add(g.Material.Name, g.Material as BasicMaterialContent);
}
Assert.AreEqual(5, materials.Count);
foreach (var m in materials.Values)
{
Assert.AreEqual(1, m.Alpha);
Assert.AreEqual(new Vector3(0.0f, 0.0f, 0.0f), m.EmissiveColor);
Assert.AreEqual(new Vector3(0.5f, 0.5f, 0.5f), m.SpecularColor);
Assert.AreEqual(null, m.VertexColorEnabled);
Assert.AreEqual(3, m.Textures.Count);
Assert.AreEqual(m.Texture, m.Textures["Texture"]);
Assert.IsNull(m.Textures["Texture"].Name);
Assert.IsNull(m.Textures["Specular"].Name);
Assert.IsNull(m.Textures["Bump"].Name);
Assert.AreEqual("TextureCoordinate0", m.Textures["Texture"].OpaqueData["TextureCoordinate"]);
Assert.AreEqual("TextureCoordinate0", m.Textures["Specular"].OpaqueData["TextureCoordinate"]);
Assert.AreEqual("TextureCoordinate0", m.Textures["Bump"].OpaqueData["TextureCoordinate"]);
}
Assert.AreEqual(new Vector3(1.0f, 1.0f, 1.0f), materials["character_anim:headM"].DiffuseColor);
Assert.AreEqual(new Vector3(1.0f, 1.0f, 1.0f), materials["character_anim:jacketM"].DiffuseColor);
Assert.AreEqual(new Vector3(0.8f, 0.8f, 0.8f), materials["character_anim:pantsM"].DiffuseColor);
Assert.AreEqual(new Vector3(1.0f, 1.0f, 1.0f), materials["character_anim:upBodyM"].DiffuseColor);
Assert.AreEqual(new Vector3(1.0f, 1.0f, 1.0f), materials["character_anim:eyeBallM"].DiffuseColor);
Assert.AreEqual(1.24573088f, materials["character_anim:headM"].SpecularPower, 0.00001f);
Assert.AreEqual(1.24573088f, materials["character_anim:jacketM"].SpecularPower, 0.00001f);
Assert.AreEqual(1.24573088f, materials["character_anim:pantsM"].SpecularPower, 0.00001f);
Assert.AreEqual(1.19371974f, materials["character_anim:upBodyM"].SpecularPower, 0.00001f);
Assert.AreEqual(65.986f, materials["character_anim:eyeBallM"].SpecularPower, 0.00001f);
Paths.AreEqual(@"Assets/Models/Dude/head.tga", materials["character_anim:headM"].Textures["Texture"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/headS.tga", materials["character_anim:headM"].Textures["Specular"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/headN.tga", materials["character_anim:headM"].Textures["Bump"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/jacket.tga", materials["character_anim:jacketM"].Textures["Texture"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/jacketS.tga", materials["character_anim:jacketM"].Textures["Specular"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/jacketN.tga", materials["character_anim:jacketM"].Textures["Bump"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/pants.tga", materials["character_anim:pantsM"].Textures["Texture"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/pantsS.tga", materials["character_anim:pantsM"].Textures["Specular"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/pantsN.tga", materials["character_anim:pantsM"].Textures["Bump"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/upBodyC.tga", materials["character_anim:upBodyM"].Textures["Texture"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/upBodyS.tga", materials["character_anim:upBodyM"].Textures["Specular"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/upbodyN.tga", materials["character_anim:upBodyM"].Textures["Bump"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/upBodyC.tga", materials["character_anim:eyeBallM"].Textures["Texture"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/upBodyS.tga", materials["character_anim:eyeBallM"].Textures["Specular"].Filename);
Paths.AreEqual(@"Assets/Models/Dude/upbodyN.tga", materials["character_anim:eyeBallM"].Textures["Bump"].Filename);
// BoneContent
Assert.IsInstanceOf<BoneContent>(nodeContent.Children[1]);
var bonehContent = nodeContent.Children[1] as BoneContent;
Assert.AreEqual("Root", bonehContent.Name);
Assert.AreEqual(1, bonehContent.Children.Count);
// TODO: MG doesn't return this.
//
// - Is this a bug in our FbxImporer?
// - A limitation of AssImp?
// - Conversion bug from FBX 6.1.0 to FBX 7.1.0?
// - What is "liw" and why is it false?
// - Do we care about this incompatibility?
//
#if XNA
Assert.AreEqual(1, bonehContent.OpaqueData.Count);
Assert.AreEqual(false, bonehContent.OpaqueData["liw"]);
#endif
// AnimationContent
Assert.AreEqual(1, bonehContent.Animations.Count);
Assert.IsTrue(bonehContent.Animations.ContainsKey("Take 001"));
var animationContent = bonehContent.Animations["Take 001"];
Assert.AreEqual("Take 001", animationContent.Name);
Assert.AreEqual(0, animationContent.OpaqueData.Count);
// TODO: A few channels are missing from XNA:
//
// - Is this a bug in our FbxImporer?
// - A limitation of AssImp?
// - Conversion bug from FBX 6.1.0 to FBX 7.1.0?
// - Do these missing channels matter?
//
#if XNA
Assert.AreEqual(58, animationContent.Channels.Count);
#endif
var channels = new[] {
"Pelvis", "Spine1", "Spine2", "Spine3", "Neck", "Head", "L_eye_joint1", "R_eye_joint",
"L_eyeBall_joint2", "R_eyeBall_joint", "L_UpperArm", "L_Forearm", "L_Hand", "L_Thumb1",
"L_Thumb2", "L_Thumb3", "L_Index1", "L_Index2", "L_Index3", "L_Middle1", "L_Middle2", "L_Middle3",
"L_Ring1", "L_Ring2", "L_Ring3", "L_Pinky1", "L_Pinky2", "L_Pinky3", "R_UpperArm", "R_Forearm",
"R_Hand", "R_Thumb1", "R_Thumb2", "R_Thumb3", "R_Index1", "R_Index2", "R_Index3", "R_Middle1", "R_Middle2",
"R_Middle3", "R_Ring1", "R_Ring2", "R_Ring3", "R_Pinky1", "R_Pinky2", "R_Pinky3", "L_Thigh1", "L_Knee2",
"L_Ankle1", "L_Ball", "R_Thigh", "R_Knee", "R_Ankle", "R_Ball",
// TODO: These channels are missing in MG!
#if XNA
"Root", "Spine", "L_Clavicle", "R_Clavicle",
#endif
};
foreach (var name in channels)
Assert.IsTrue(animationContent.Channels.ContainsKey(name), "Channels.ContainsKey failed: " + name);
foreach (var c in animationContent.Channels.Values)
Assert.Greater(c.Count, 0);
// I think in this case the old XNA FBX importer was bugged and
// returned a bigger animation duration that is correct. Looking
// at the content of the FBX ascii i can see the math is:
//
// (57732697500 - 1924423250) / 46186158000 = 1.208 seconds
//
// Which is the correct result and what our FBX importer returns.
// I highly suspect that XNA was wrong.
//
// https://github.com/assimp/assimp/issues/1720
//
#if XNA
Assert.AreEqual(12670000, animationContent.Duration.Ticks);
#else
Assert.AreEqual(12080000, animationContent.Duration.Ticks);
#endif
// TODO: XNA assigns the identity to null on all NodeContent
// other than the one returned from the importer.
//
// - Is this something we should fix?
//
#if XNA
Assert.IsNull(meshContent.Identity);
Assert.IsNull(bonehContent.Identity);
Assert.IsNull(animationContent.Identity);
#endif
}
}
}