public static void WriteModelData(Stream stream, ModelData modelData, Vector3 scale)
{
Matrix m = Matrix.CreateScale(scale);
EngineBinaryWriter engineBinaryWriter = new EngineBinaryWriter(stream, false);
engineBinaryWriter.Write(modelData.Bones.Count);
foreach (ModelBoneData current in modelData.Bones)
{
engineBinaryWriter.Write(current.ParentBoneIndex);
engineBinaryWriter.Write(current.Name);
engineBinaryWriter.Write((current.ParentBoneIndex < 0) ? (current.Transform * m) : current.Transform);
}
engineBinaryWriter.Write(modelData.Meshes.Count);
foreach (ModelMeshData current2 in modelData.Meshes)
{
engineBinaryWriter.Write(current2.ParentBoneIndex);
engineBinaryWriter.Write(current2.Name);
engineBinaryWriter.Write(current2.MeshParts.Count);
engineBinaryWriter.Write(current2.BoundingBox);
foreach (ModelMeshPartData current3 in current2.MeshParts)
{
engineBinaryWriter.Write(current3.BuffersDataIndex);
engineBinaryWriter.Write(current3.StartIndex);
engineBinaryWriter.Write(current3.IndicesCount);
engineBinaryWriter.Write(current3.BoundingBox);
}
}
engineBinaryWriter.Write(modelData.Buffers.Count);
foreach (ModelBuffersData current4 in modelData.Buffers)
{
engineBinaryWriter.Write(current4.VertexDeclaration.VertexElements.Count);
foreach (VertexElement current5 in current4.VertexDeclaration.VertexElements)
{
engineBinaryWriter.Write(current5.Offset);
engineBinaryWriter.Write((int)current5.Format);
engineBinaryWriter.Write(current5.Semantic);
}
engineBinaryWriter.Write(current4.Vertices.Length);
engineBinaryWriter.Write(current4.Vertices);
engineBinaryWriter.Write(current4.Indices.Length);
engineBinaryWriter.Write(current4.Indices);
}
}
XElement GetGeometry(ModelData model, ModelMeshData data)
{
ModelMeshPartData meshPart = data.MeshParts[0];
ModelBoneData boneData = model.Bones[data.ParentBoneIndex];
string meshId = data.Name;
var vertexBuffer = model.Buffers[meshPart.BuffersDataIndex];
int count = meshPart.IndicesCount;
var vertexDeclaration = vertexBuffer.VertexDeclaration;
byte[] original = new byte[count * 32];
using (BinaryReader reader = new BinaryReader(new MemoryStream(vertexBuffer.Indices)))
{
reader.BaseStream.Position = meshPart.StartIndex * 2;
for (int i = 0; i < count; i++)
{
short index = reader.ReadInt16();
Buffer.BlockCopy(vertexBuffer.Vertices, index * 32, original, i * 32, 32);
}
}
List <Vector3> vertices = new List <Vector3>();
List <Vector3> normals = new List <Vector3>();
float[] textureCord = new float[count * 2];
int[] indexs = new int[count * 3];
using (EngineBinaryReader reader = new EngineBinaryReader(new MemoryStream(original)))
{
foreach (VertexElement elem in vertexDeclaration.VertexElements)
{
if (elem.Semantic.StartsWith("POSITION"))
{
Vector3[] triangle = new Vector3[3];
for (int i = 0; i < count; i++)
{
reader.BaseStream.Position = vertexDeclaration.VertexStride * i + elem.Offset;
var p = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
if (!vertices.Contains(p))
{
vertices.Add(p);
}
var ii = i % 3;
triangle[ii] = p;
if (ii == 2)
{
indexs[i * 3 - 6] = vertices.IndexOf(triangle[0]);
indexs[i * 3 - 3] = vertices.IndexOf(triangle[2]);
indexs[i * 3] = vertices.IndexOf(triangle[1]);
}
}
}
else if (elem.Semantic.StartsWith("NORMAL"))
{
Vector3[] triangle = new Vector3[3];
for (int i = 0; i < count; i++)
{
reader.BaseStream.Position = vertexDeclaration.VertexStride * i + elem.Offset;
var p = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
if (!normals.Contains(p))
{
normals.Add(p);
}
var ii = i % 3;
triangle[ii] = p;
if (ii == 2)
{
indexs[i * 3 - 5] = normals.IndexOf(triangle[0]);
indexs[i * 3 - 2] = normals.IndexOf(triangle[2]);
indexs[i * 3 + 1] = normals.IndexOf(triangle[1]);
}
}
}
else if (elem.Semantic.StartsWith("TEXCOORD"))
{
for (int i = 0; i < count; i++)
{
reader.BaseStream.Position = vertexDeclaration.VertexStride * i + elem.Offset;
textureCord[i * 2] = reader.ReadSingle();
textureCord[i * 2 + 1] = 1f - reader.ReadSingle();
if (i % 3 == 2)
{
indexs[i * 3 - 4] = i - 2;
indexs[i * 3 - 1] = i;
indexs[i * 3 + 2] = i - 1;
}
}
}
}
}
XElement positionSource;
XElement normalSource;
XElement texturecoorSource;
XElement vertexSource;
XElement meshElem = new XElement(
colladaNS + "mesh",
positionSource = GetSourceArray(
meshId,
"-mesh-positions",
string.Join(" ", vertices.ConvertAll(v => string.Format("{0} {1} {2}", v.X.ToString("R"), v.Y.ToString("R"), v.Z.ToString("R")))),
vertices.Count * 3,
3,
XYZParam()
),
normalSource = GetSourceArray(
meshId,
"-mesh-normals",
string.Join(" ", normals.ConvertAll(v => string.Format("{0} {1} {2}", v.X.ToString("R"), v.Y.ToString("R"), v.Z.ToString("R")))),
normals.Count * 3,
3,
XYZParam()
),
texturecoorSource = GetSourceArray(
meshId,
"-mesh-map",
string.Join(" ", textureCord.Select(f => f.ToString("R"))),
textureCord.Length,
2,
STParam()
),
vertexSource = new XElement(
colladaNS + "vertices",
new XAttribute("id", meshId + "-mesh-vertices"),
GetInput("POSITION", positionSource)
),
new XElement(
colladaNS + "triangles",
new XAttribute("count", count / 3),
GetInput("VERTEX", vertexSource, 0),
GetInput("NORMAL", normalSource, 1),
GetInput("TEXCOORD", texturecoorSource, 2),
new XElement(colladaNS + "p", string.Join(" ", indexs))
)
);
XElement geometry;
root.Element(colladaNS + "library_geometries").Add(
geometry = new XElement(
colladaNS + "geometry",
new XAttribute("id", meshId + "-mesh"),
new XAttribute("name", meshId),
meshElem
)
);
return(geometry);
}
protected override void OnLoad(EventArgs e)
{
Random random = new Random();
loader = new Loader();
entities = new List <Entity>();
guiTextures = new List <GuiTexture>();
//********************Player***********************
playerData = OBJLoader.LoadOBJ("Person.obj");
playerModel = loader.LoadToVao(playerData.vertices, playerData.textureCoords, playerData.normals, playerData.indices);
playerTextured = new TexturedModel(playerModel, new ModelTexture(loader.LoadTexture("PlayerTexture.png")));
playerEntity = new Player(playerTextured, new Vector3(77.0f, 85.0f, -80.0f), 0.0f, -209.0f, 0.0f, 0.7f);
entities.Add(playerEntity);
//*************************************************
//********************Camera***********************
camera = new Camera(playerEntity);
//*************************************************
TextMaster.Init(loader, Width, Height);
renderer = new MasterRenderer(loader, camera, Width, Height);
terrains = new List <Terrain>();
normalMapEntities = new List <Entity>();
lights = new List <Light>();
//*****************Particelle**********************
particleTexture = new ParticleTexture(loader.LoadTexture("ParticleAtlas.png"), 4);
ParticleMaster.Init(loader, renderer.ProjectionMatrix);
particles = new ParticleSystem(50.0f, 25.0f, 0.3f, 4.0f, particleTexture);
#region Sistema di particelle avanzato (da fixare)
//particles = new ParticleSystem(50.0f, 25.0f, 0.3f, 4.0f, 1.0f);
//particles.RandomizeRotation();
//particles.SetDirection(new Vector3(0.0f, 1.0f, 0.0f), 0.1f);
//particles.SetLifeError(0.1f);
//particles.SetSpeedError(0.4f);
//particles.SetScaleError(0.8f);
#endregion
//*************************************************
//*********************Font************************
FontType font = new FontType(loader.LoadFontTexture("FontDistanceField.png"), "FontDistanceField.fnt");
GUIText text = new GUIText("Enacoid text!", 1, font, new Vector2(0.0f, 0.0f), 1.0f, true);
//*************************************************
//********************TerrainTexture***************
backgroundTexture = new TerrainTexture(loader.LoadTexture("Grassy2.png"));
rTexture = new TerrainTexture(loader.LoadTexture("Mud.png"));
gTexture = new TerrainTexture(loader.LoadTexture("GrassFlowers.png"));
bTexture = new TerrainTexture(loader.LoadTexture("Path.png"));
texturePack = new TerrainTexturePack(backgroundTexture, rTexture, gTexture, bTexture);
blendMap = new TerrainTexture(loader.LoadTexture("BlendMap.png"));
//*************************************************
//********************Terreno**********************
terrain = new Terrain(0.0f, -1.0f, loader, texturePack, blendMap, "HeightMap.png");
terrains.Add(terrain);
//*************************************************
//*******************TexturedModel*****************
rocks = new TexturedModel(loader.LoadToVao(OBJLoader.LoadOBJ("rocks.obj")), new ModelTexture(loader.LoadTexture("rocks.png")));
ModelTexture fernTextureAtlas = new ModelTexture(loader.LoadTexture("TextureAtlas.png"));
fernTextureAtlas.NumberOfRows = 2;
TexturedModel fern = new TexturedModel(loader.LoadToVao(OBJLoader.LoadOBJ("fern.obj")), fernTextureAtlas);
fern.Texture.hasTransparency = true;
TexturedModel bobble = new TexturedModel(loader.LoadToVao(OBJLoader.LoadOBJ("pine.obj")), new ModelTexture(loader.LoadTexture("pine.png")));
bobble.Texture.hasTransparency = true;
TexturedModel lamp = new TexturedModel(loader.LoadToVao(OBJLoader.LoadOBJ("lamp.obj")), new ModelTexture(loader.LoadTexture("lamp.png")));
lamp.Texture.useFakeLighting = true;
//*************************************************
//******************Entità*************************
rockEntity = new Entity(rocks, new Vector3(75.0f, terrain.GetHeightOfTerrain(75.0f, -75.0f), -75.0f), 0.0f, 0.0f, 0.0f, 10.0f);
entities.Add(rockEntity);
bobbleEntity = new Entity(bobble, new Vector3(85.0f, terrain.GetHeightOfTerrain(85.0f, -75.0f), -75.0f), 0.0f, 0.0f, 0.0f, 1.0f);
entities.Add(bobbleEntity);
lampEntity = new Entity(lamp, new Vector3(65.0f, terrain.GetHeightOfTerrain(65.0f, -75.0f), -75.0f), 0.0f, 0.0f, 0.0f, 1.0f);
entities.Add(lampEntity);
for (int i = 0; i < 60; i++)
{
if (i % 3 == 0)
{
float x = (float)random.NextDouble() * 150;
float z = (float)random.NextDouble() * -150;
if (!((x > 50 && x < 100) || (z < -50 && z > -100)))
{
float y = terrain.GetHeightOfTerrain(x, z);
entities.Add(new Entity(fern, new Vector3(x, y, z), 0, (float)random.NextDouble() * 360, 0, 0.9f, random.Next(3)));
}
}
if (i % 2 == 0)
{
float x = (float)random.NextDouble() * 150;
float z = (float)random.NextDouble() * -150;
if (!((x > 50 && x < 100) || (z < -50 && z > -100)))
{
float y = terrain.GetHeightOfTerrain(x, z);
entities.Add(new Entity(bobble, new Vector3(x, y, z), 0, (float)random.NextDouble() * 360, 0, (float)random.NextDouble() * 0.6f + 0.8f, random.Next(3)));
}
}
}
//*************************************************
//*******************NormalMapped******************
TexturedModel barrelModel = new TexturedModel(NormalMappedObjLoader.LoadOBJ("Barrel.obj", loader), new ModelTexture(loader.LoadTexture("Barrel.png")));
barrelModel.Texture.shineDamper = 10.0f;
barrelModel.Texture.reflectivity = 0.5f;
barrelModel.Texture.NormalMap = loader.LoadTexture("BarrelNormal.png");
normalMapEntities.Add(new Entity(barrelModel, new Vector3(163.0f, terrain.GetHeightOfTerrain(163.0f, -67.0f) + 6.5f, -67.0f), 0.0f, 0.0f, 0.0f, 1.0f));
TexturedModel boulderModel = new TexturedModel(NormalMappedObjLoader.LoadOBJ("Boulder.obj", loader), new ModelTexture(loader.LoadTexture("Boulder.png")));
boulderModel.Texture.shineDamper = 5.0f;
boulderModel.Texture.reflectivity = 0.3f;
boulderModel.Texture.NormalMap = loader.LoadTexture("BoulderNormal.png");
normalMapEntities.Add(new Entity(boulderModel, new Vector3(59.0f, terrain.GetHeightOfTerrain(59, -149) + 6.5f, -149), 0.0f, 0.0f, 0.0f, 1.0f));
///*******************Luci*************************
lights.Add(new Light(new Vector3(199000.0f, 200000.0f, -84000.0f), new Vector3(0.6f, 0.6f, 0.6f)));
//*************************************************
//********************Acqua************************
waterShader = new WaterShader();
waterFrameBuffers = new WaterFrameBuffer(Width, Height);
waterRenderer = new WaterRenderer(loader, waterShader, renderer.ProjectionMatrix, waterFrameBuffers);
waters = new List <WaterTile>();
water = new WaterTile(187.0f, -199.0f, terrain.GetHeightOfTerrain(187.0f, -199.0f) + 7.0f);
waters.Add(water);
//*************************************************
mousePicker = new MousePicker(camera, renderer.ProjectionMatrix);
//*********************GUIs************************
GuiTexture shadowMap = new GuiTexture(renderer.GetShadowMapTexture(), new Vector2(0.5f, 0.5f), new Vector2(0.5f, 0.5f));
//guiTextures.Add(shadowMap);
guiRenderer = new GuiRenderer(loader);
//*************************************************
base.OnLoad(e);
FrameTime = watch.GetCurrentTime();
}
static ModelMeshPartData LoadPolygons(ModelData data, ColladaPolygons polygons)
{
c__DisplayClass3_0 c__DisplayClass3_ = new c__DisplayClass3_0();
ModelMeshPartData modelMeshPartData = new ModelMeshPartData();
int num = 0;
Dictionary <VertexElement, ColladaInput> dictionary = new Dictionary <VertexElement, ColladaInput>();
foreach (ColladaInput current in polygons.Inputs)
{
string str = (current.Set == 0) ? string.Empty : current.Set.ToString(CultureInfo.InvariantCulture);
if (current.Semantic == "POSITION")
{
dictionary[new VertexElement(num, VertexElementFormat.Vector3, "POSITION" + str)] = current;
num += 12;
}
else if (current.Semantic == "NORMAL")
{
dictionary[new VertexElement(num, VertexElementFormat.Vector3, "NORMAL" + str)] = current;
num += 12;
}
else if (current.Semantic == "TEXCOORD")
{
dictionary[new VertexElement(num, VertexElementFormat.Vector2, "TEXCOORD" + str)] = current;
num += 8;
}
else if (current.Semantic == "COLOR")
{
dictionary[new VertexElement(num, VertexElementFormat.NormalizedByte4, "COLOR" + str)] = current;
num += 4;
}
}
c__DisplayClass3_.vertexDeclaration = new VertexDeclaration(dictionary.Keys.ToArray <VertexElement>());
ModelBuffersData modelBuffersData = data.Buffers.FirstOrDefault(new Func <ModelBuffersData, bool>(c__DisplayClass3_.b__0));
if (modelBuffersData == null)
{
modelBuffersData = new ModelBuffersData();
data.Buffers.Add(modelBuffersData);
modelBuffersData.VertexDeclaration = c__DisplayClass3_.vertexDeclaration;
}
modelMeshPartData.BuffersDataIndex = data.Buffers.IndexOf(modelBuffersData);
int num2 = polygons.P.Count / polygons.InputCount;
List <int> list = new List <int>();
if (polygons.VCount.Count == 0)
{
int num3 = 0;
for (int i = 0; i < num2 / 3; i++)
{
list.Add(num3);
list.Add(num3 + 2);
list.Add(num3 + 1);
num3 += 3;
}
}
else
{
int num4 = 0;
foreach (int current2 in polygons.VCount)
{
if (current2 == 3)
{
list.Add(num4);
list.Add(num4 + 2);
list.Add(num4 + 1);
num4 += 3;
}
else
{
if (current2 != 4)
{
throw new NotSupportedException("Collada polygons with less than 3 or more than 4 vertices are not supported.");
}
list.Add(num4);
list.Add(num4 + 2);
list.Add(num4 + 1);
list.Add(num4 + 2);
list.Add(num4);
list.Add(num4 + 3);
num4 += 4;
}
}
}
int vertexStride = modelBuffersData.VertexDeclaration.VertexStride;
int num5 = modelBuffersData.Vertices.Length;
modelBuffersData.Vertices = ExtendArray <byte>(modelBuffersData.Vertices, list.Count * vertexStride);
using (BinaryWriter binaryWriter = new BinaryWriter(new MemoryStream(modelBuffersData.Vertices, num5, list.Count * vertexStride)))
{
bool flag = false;
foreach (KeyValuePair <VertexElement, ColladaInput> current3 in dictionary)
{
VertexElement key = current3.Key;
ColladaInput value = current3.Value;
if (key.Semantic.StartsWith("POSITION"))
{
for (int j = 0; j < list.Count; j++)
{
float[] arg_3EF_0 = value.Source.Accessor.Source.Array;
int offset = value.Source.Accessor.Offset;
int stride = value.Source.Accessor.Stride;
int num6 = polygons.P[list[j] * polygons.InputCount + value.Offset];
binaryWriter.BaseStream.Position = (long)(j * vertexStride + key.Offset);
float num7 = arg_3EF_0[offset + stride * num6];
float num8 = arg_3EF_0[offset + stride * num6 + 1];
float num9 = arg_3EF_0[offset + stride * num6 + 2];
modelMeshPartData.BoundingBox = (flag ? BoundingBox.Union(modelMeshPartData.BoundingBox, new Vector3(num7, num8, num9)) : new BoundingBox(num7, num8, num9, num7, num8, num9));
flag = true;
binaryWriter.Write(num7);
binaryWriter.Write(num8);
binaryWriter.Write(num9);
}
}
else if (key.Semantic.StartsWith("NORMAL"))
{
for (int k = 0; k < list.Count; k++)
{
float[] arg_51E_0 = value.Source.Accessor.Source.Array;
int offset2 = value.Source.Accessor.Offset;
int stride2 = value.Source.Accessor.Stride;
int num10 = polygons.P[list[k] * polygons.InputCount + value.Offset];
binaryWriter.BaseStream.Position = (long)(k * vertexStride + key.Offset);
float num11 = arg_51E_0[offset2 + stride2 * num10];
float num12 = arg_51E_0[offset2 + stride2 * num10 + 1];
float num13 = arg_51E_0[offset2 + stride2 * num10 + 2];
float num14 = 1f / MathUtils.Sqrt(num11 * num11 + num12 * num12 + num13 * num13);
binaryWriter.Write(num14 * num11);
binaryWriter.Write(num14 * num12);
binaryWriter.Write(num14 * num13);
}
}
else if (key.Semantic.StartsWith("TEXCOORD"))
{
for (int l = 0; l < list.Count; l++)
{
float[] array = value.Source.Accessor.Source.Array;
int offset3 = value.Source.Accessor.Offset;
int stride3 = value.Source.Accessor.Stride;
int num15 = polygons.P[list[l] * polygons.InputCount + value.Offset];
binaryWriter.BaseStream.Position = (long)(l * vertexStride + key.Offset);
binaryWriter.Write(array[offset3 + stride3 * num15]);
binaryWriter.Write(1f - array[offset3 + stride3 * num15 + 1]);
}
}
else
{
if (!key.Semantic.StartsWith("COLOR"))
{
throw new Exception();
}
for (int m = 0; m < list.Count; m++)
{
float[] array2 = value.Source.Accessor.Source.Array;
int offset4 = value.Source.Accessor.Offset;
int stride4 = value.Source.Accessor.Stride;
int num16 = polygons.P[list[m] * polygons.InputCount + value.Offset];
binaryWriter.BaseStream.Position = (long)(m * vertexStride + key.Offset);
Color color = new Color(array2[offset4 + stride4 * num16], array2[offset4 + stride4 * num16 + 1], array2[offset4 + stride4 * num16 + 2], array2[offset4 + stride4 * num16 + 3]);
binaryWriter.Write(color.PackedValue);
}
}
}
}
modelMeshPartData.StartIndex = num5 / vertexStride;
modelMeshPartData.IndicesCount = list.Count;
return(modelMeshPartData);
}
/// <summary>
/// Crea un mesh da un file .obj nella cartella Models
/// </summary>
/// <param name="fileName">Il nome del file</param>
/// <returns>Un oggetto di tipo ModelData</returns>
public static ModelData LoadOBJ(string fileName)
{
string line;
List <Vertex> vertices = new List <Vertex>();
List <Vector2> textures = new List <Vector2>();
List <Vector3> normals = new List <Vector3>();
List <uint> indices = new List <uint>();
using (StreamReader sr = new StreamReader(path + fileName))
{
while (true)
{
line = sr.ReadLine();
if (line.StartsWith("v "))
{
string[] currentLine = line.Split(' ');
Vector3 vertex = new Vector3(float.Parse(currentLine[1], CultureInfo.InvariantCulture.NumberFormat),
float.Parse(currentLine[2], CultureInfo.InvariantCulture.NumberFormat),
float.Parse(currentLine[3], CultureInfo.InvariantCulture.NumberFormat));
Vertex newVertex = new Vertex((uint)Math.Abs(vertices.Count), vertex);
vertices.Add(newVertex);
}
else if (line.StartsWith("vt "))
{
string[] currentLine = line.Split(' ');
Vector2 texture = new Vector2(float.Parse(currentLine[1], CultureInfo.InvariantCulture.NumberFormat),
float.Parse(currentLine[2], CultureInfo.InvariantCulture.NumberFormat));
textures.Add(texture);
}
else if (line.StartsWith("vn "))
{
string[] currentLine = line.Split(' ');
Vector3 normal = new Vector3(float.Parse(currentLine[1], CultureInfo.InvariantCulture.NumberFormat),
float.Parse(currentLine[2], CultureInfo.InvariantCulture.NumberFormat),
float.Parse(currentLine[3], CultureInfo.InvariantCulture.NumberFormat));
normals.Add(normal);
}
else if (line.StartsWith("f "))
{
break;
}
}
while (line != null && line.StartsWith("f "))
{
string[] currentLine = line.Split(' ');
string[] vertex1 = currentLine[1].Split('/');
string[] vertex2 = currentLine[2].Split('/');
string[] vertex3 = currentLine[3].Split('/');
ProcessVertex(vertex1, vertices, indices);
ProcessVertex(vertex2, vertices, indices);
ProcessVertex(vertex3, vertices, indices);
line = sr.ReadLine();
}
}
RemoveUnusedVertices(vertices);
float[] verticesArray = new float[vertices.Count * 3];
float[] texturesArray = new float[vertices.Count * 2];
float[] normalsArray = new float[vertices.Count * 3];
float furthest = ConvertDataToArrays(vertices, textures, normals, verticesArray, texturesArray, normalsArray);
uint[] indicesArray = ConvertIndicesListToArray(indices);
ModelData data = new ModelData(verticesArray, texturesArray, normalsArray, indicesArray, furthest);
return(data);
}
public static void Write(Stream stream, ModelData data, Vector3 scale, bool keepSourceVertexDataInTags = true)
{
new BinaryWriter(stream).Write(keepSourceVertexDataInTags);
ModelDataContentWriter.WriteModelData(stream, data, scale);
}
