/// <summary>
/// Crear flechas de debug para normales, tangentes y binormales
/// </summary>
private void loadDebugArrows(TgcMeshBumpMapping mesh)
{
//Obtener vertexBuffer
var vertexBuffer = (TgcMeshBumpMapping.BumpMappingVertex[])mesh.D3dMesh.LockVertexBuffer(
typeof(TgcMeshBumpMapping.BumpMappingVertex), LockFlags.ReadOnly, mesh.D3dMesh.NumberVertices);
mesh.D3dMesh.UnlockVertexBuffer();
for (var i = 0; i < vertexBuffer.Length; i++)
{
var v = vertexBuffer[i];
normals.Add(TgcArrow.fromDirection(v.Position, v.Normal * 50, Color.Blue, Color.Yellow, 0.5f,
new Vector2(2f, 4f)));
tangents.Add(TgcArrow.fromDirection(v.Position, v.Tangent * 50, Color.Red, Color.Yellow, 0.5f,
new Vector2(2f, 4f)));
binormals.Add(TgcArrow.fromDirection(v.Position, v.Binormal * 50, Color.Green, Color.Yellow, 0.5f,
new Vector2(2f, 4f)));
}
}
public override void Init()
{
//DEBUG: para probar codigo que genera un NormalMap automaticamente. Queda bastante peor que el NormalMap que ya viene hecho
//createNormalMap(this.ShadersDir+"BumpMapping_DiffuseMap.jpg", this.ShadersDir+"NormalMap_Prueba.jpg");
//TgcTexture normalMap = TgcTexture.createTexture(this.ShadersDir+"NormalMap_Prueba2.jpg");
//Crear 3 paredes y un piso con textura comun y textura de normalMap
var diffuseMap =
TgcTexture.createTexture(MediaDir + "Texturas//BM_DiffuseMap_pared.jpg");
var normalMap =
TgcTexture.createTexture(MediaDir + "Texturas//BM_NormalMap.jpg");
TgcTexture[] normalMapArray = { normalMap };
var paredSur = TgcBox.fromExtremes(new Vector3(-200, 0, -210), new Vector3(200, 100, -200), diffuseMap);
var paredOeste = TgcBox.fromExtremes(new Vector3(-210, 0, -200), new Vector3(-200, 100, 200), diffuseMap);
var paredEste = TgcBox.fromExtremes(new Vector3(200, 0, -200), new Vector3(210, 100, 200), diffuseMap);
var piso = TgcBox.fromExtremes(new Vector3(-200, -1, -200), new Vector3(200, 0, 200), diffuseMap);
//Convertir TgcBox a TgcMesh
var m1 = paredSur.toMesh("paredSur");
var m2 = paredOeste.toMesh("paredOeste");
var m3 = paredEste.toMesh("paredEste");
var m4 = piso.toMesh("piso");
//Convertir TgcMesh a TgcMeshBumpMapping
meshes = new List <TgcMeshBumpMapping>();
meshes.Add(TgcMeshBumpMapping.fromTgcMesh(m1, normalMapArray));
meshes.Add(TgcMeshBumpMapping.fromTgcMesh(m2, normalMapArray));
meshes.Add(TgcMeshBumpMapping.fromTgcMesh(m3, normalMapArray));
meshes.Add(TgcMeshBumpMapping.fromTgcMesh(m4, normalMapArray));
//Borrar TgcMesh y TgcBox, ya no se usan
paredSur.dispose();
paredOeste.dispose();
paredEste.dispose();
piso.dispose();
m1.dispose();
m2.dispose();
m3.dispose();
m4.dispose();
//Crear flechas de debug
tangents = new List <TgcArrow>();
normals = new List <TgcArrow>();
binormals = new List <TgcArrow>();
foreach (var mesh in meshes)
{
loadDebugArrows(mesh);
}
//Camara en 1ra persona
Camara = new TgcFpsCamera(new Vector3(0, 50, 100));
//Cargar Shader de personalizado de BumpMapping. Solo soporta meshes de tipo DiffuseMap
effect = TgcShaders.loadEffect(ShadersDir + "BumpMapping.fx");
//Cargar shader en meshes
foreach (var m in meshes)
{
m.Effect = effect;
m.Technique = "BumpMappingTechnique";
}
//Mesh para la luz
lightMesh = TgcBox.fromSize(new Vector3(10, 10, 10), Color.Red);
Modifiers.addFloat("bumpiness", 0, 1, 1f);
Modifiers.addVertex3f("lightPos", new Vector3(-200, 0, -200),
new Vector3(200, 100, 200), new Vector3(0, 80, 0));
Modifiers.addColor("lightColor", Color.White);
Modifiers.addFloat("lightIntensity", 0, 150, 20);
Modifiers.addFloat("lightAttenuation", 0.1f, 2, 0.3f);
Modifiers.addFloat("specularEx", 0, 20, 9f);
Modifiers.addBoolean("showNormals", "showNormals", false);
Modifiers.addBoolean("showTangents", "showTangents", false);
Modifiers.addBoolean("showBinormals", "showBinormals", false);
Modifiers.addColor("mEmissive", Color.Black);
Modifiers.addColor("mAmbient", Color.White);
Modifiers.addColor("mDiffuse", Color.White);
Modifiers.addColor("mSpecular", Color.White);
}
public override void Init()
{
//Cargar textura de CubeMap para Environment Map
cubeMap = TextureLoader.FromCubeFile(D3DDevice.Instance.Device, MediaDir + "CubeMap.dds");
//Crear 3 paredes y un piso con textura comun y textura de normalMap
var diffuseMap = TgcTexture.createTexture(MediaDir + "Texturas//BM_DiffuseMap_pared.jpg");
var normalMap = TgcTexture.createTexture(MediaDir + "Texturas//BM_NormalMap.jpg");
TgcTexture[] normalMapArray = { normalMap };
var paredSur = TgcBox.fromExtremes(new Vector3(-200, 0, -210), new Vector3(200, 100, -200), diffuseMap);
var paredOeste = TgcBox.fromExtremes(new Vector3(-210, 0, -200), new Vector3(-200, 100, 200), diffuseMap);
var paredEste = TgcBox.fromExtremes(new Vector3(200, 0, -200), new Vector3(210, 100, 200), diffuseMap);
var piso = TgcBox.fromExtremes(new Vector3(-200, -1, -200), new Vector3(200, 0, 200), diffuseMap);
//Convertir TgcBox a TgcMesh
var m1 = paredSur.toMesh("paredSur");
var m2 = paredOeste.toMesh("paredOeste");
var m3 = paredEste.toMesh("paredEste");
var m4 = piso.toMesh("piso");
//Convertir TgcMesh a TgcMeshBumpMapping (se usa solo por conveniencia, pero el NormalMap de TgcMeshBumpMapping es innecesario para este ejemplo)
meshes = new List <TgcMeshBumpMapping>();
meshes.Add(TgcMeshBumpMapping.fromTgcMesh(m1, normalMapArray));
meshes.Add(TgcMeshBumpMapping.fromTgcMesh(m2, normalMapArray));
meshes.Add(TgcMeshBumpMapping.fromTgcMesh(m3, normalMapArray));
meshes.Add(TgcMeshBumpMapping.fromTgcMesh(m4, normalMapArray));
//Borrar TgcMesh y TgcBox, ya no se usan
paredSur.dispose();
paredOeste.dispose();
paredEste.dispose();
piso.dispose();
m1.dispose();
m2.dispose();
m3.dispose();
m4.dispose();
//Camara en 1ra persona
Camara = new TgcFpsCamera(new Vector3(0, 50, 100));
//Cargar Shader de DynamicLights
effect = TgcShaders.loadEffect(ShadersDir + "EnvironmentMap.fx");
effect.Technique = "SimpleEnvironmentMapTechnique";
//Cargar shader en meshes
foreach (var m in meshes)
{
m.Effect = effect;
m.Technique = "SimpleEnvironmentMapTechnique";
}
//Mesh para la luz
lightMesh = TgcBox.fromSize(new Vector3(10, 10, 10), Color.Red);
Modifiers.addFloat("reflection", 0, 1, 0.35f);
Modifiers.addVertex3f("lightPos", new Vector3(-200, 0, -200),
new Vector3(200, 100, 200), new Vector3(0, 80, 0));
Modifiers.addColor("lightColor", Color.White);
Modifiers.addFloat("lightIntensity", 0, 150, 20);
Modifiers.addFloat("lightAttenuation", 0.1f, 2, 0.3f);
Modifiers.addFloat("specularEx", 0, 20, 9f);
Modifiers.addColor("mEmissive", Color.Black);
Modifiers.addColor("mAmbient", Color.White);
Modifiers.addColor("mDiffuse", Color.White);
Modifiers.addColor("mSpecular", Color.White);
}
public override void Init()
{
//Cargar textura de CubeMap para Environment Map, fijo para todos los meshes
cubeMap = TextureLoader.FromCubeFile(D3DDevice.Instance.Device,
MediaDir + "CubeMap.dds");
//Cargar Shader personalizado de EnvironmentMap
effect = TgcShaders.loadEffect(ShadersDir + "EnvironmentMap.fx");
//Cargar escenario, pero inicialmente solo hacemos el parser, para separar los objetos que son solo luces y no meshes
var scenePath = MediaDir + "NormalMapRoom\\NormalMapRoom-TgcScene.xml";
var mediaPath = MediaDir + "NormalMapRoom\\";
var parser = new TgcSceneParser();
var sceneData = parser.parseSceneFromString(File.ReadAllText(scenePath));
//Separar modelos reales de las luces, segun layer "Lights"
lights = new List <LightData>();
var realMeshData = new List <TgcMeshData>();
for (var i = 0; i < sceneData.meshesData.Length; i++)
{
var meshData = sceneData.meshesData[i];
//Es una luz, no cargar mesh, solo importan sus datos
if (meshData.layerName == "Lights")
{
//Guardar datos de luz
var light = new LightData();
light.color = Color.FromArgb((int)meshData.color[0], (int)meshData.color[1],
(int)meshData.color[2]);
light.aabb = new TgcBoundingAxisAlignBox(TgcParserUtils.float3ArrayToVector3(meshData.pMin),
TgcParserUtils.float3ArrayToVector3(meshData.pMax));
light.pos = light.aabb.calculateBoxCenter();
lights.Add(light);
}
//Es un mesh real, agregar a array definitivo
else
{
realMeshData.Add(meshData);
}
}
//Reemplazar array original de meshData de sceneData por el definitivo
sceneData.meshesData = realMeshData.ToArray();
//Ahora si cargar meshes reales
var loader = new TgcSceneLoader();
var scene = loader.loadScene(sceneData, mediaPath);
//Separar meshes con bumpMapping de los comunes
bumpMeshes = new List <TgcMeshBumpMapping>();
commonMeshes = new List <TgcMesh>();
foreach (var mesh in scene.Meshes)
{
//Mesh con BumpMapping
if (mesh.Layer == "BumpMap")
{
//Por convencion de este ejemplo el NormalMap se llama igual que el DiffuseMap (y cada mesh tiene una sola)
var path = mesh.DiffuseMaps[0].FilePath;
var split = path.Split('.');
path = split[0] + "." + split[1] + "_NormalMap.png";
//Convertir TgcMesh a TgcMeshBumpMapping
var normalMap = TgcTexture.createTexture(path);
TgcTexture[] normalMapArray = { normalMap };
var bumpMesh = TgcMeshBumpMapping.fromTgcMesh(mesh, normalMapArray);
bumpMesh.Effect = effect;
bumpMesh.Technique = "EnvironmentMapTechnique";
bumpMeshes.Add(bumpMesh);
//Liberar original
mesh.dispose();
}
//Mesh normal
else
{
commonMeshes.Add(mesh);
}
}
//Camara en 1ra persona
Camara = new TgcFpsCamera(new Vector3(0, 50, 100), Input);
//Modifiers
Modifiers.addFloat("reflection", 0, 1, 0.2f);
Modifiers.addFloat("bumpiness", 0, 2, 1f);
Modifiers.addFloat("lightIntensity", 0, 150, 20);
Modifiers.addFloat("lightAttenuation", 0.1f, 2, 0.3f);
Modifiers.addFloat("specularEx", 0, 20, 9f);
Modifiers.addColor("mEmissive", Color.Black);
Modifiers.addColor("mAmbient", Color.White);
Modifiers.addColor("mDiffuse", Color.White);
Modifiers.addColor("mSpecular", Color.White);
}
public override void Init()
{
//Cargar textura de CubeMap para Environment Map
cubeMap = TextureLoader.FromCubeFile(D3DDevice.Instance.Device, MediaDir + "CubeMap.dds");
//Crear 3 paredes y un piso con textura comun y textura de normalMap
var diffuseMap = TgcTexture.createTexture(MediaDir + "Texturas//BM_DiffuseMap_pared.jpg");
var normalMap = TgcTexture.createTexture(MediaDir + "Texturas//BM_NormalMap.jpg");
TgcTexture[] normalMapArray = { normalMap };
var paredSur = TGCBox.fromExtremes(new TGCVector3(-200, 0, -210), new TGCVector3(200, 100, -200), diffuseMap);
paredSur.Transform = TGCMatrix.Translation(paredSur.Position);
var paredOeste = TGCBox.fromExtremes(new TGCVector3(-210, 0, -200), new TGCVector3(-200, 100, 200), diffuseMap);
paredOeste.Transform = TGCMatrix.Translation(paredOeste.Position);
var paredEste = TGCBox.fromExtremes(new TGCVector3(200, 0, -200), new TGCVector3(210, 100, 200), diffuseMap);
paredEste.Transform = TGCMatrix.Translation(paredEste.Position);
var piso = TGCBox.fromExtremes(new TGCVector3(-200, -1, -200), new TGCVector3(200, 0, 200), diffuseMap);
piso.Transform = TGCMatrix.Translation(piso.Position);
//Convertir TgcBox a TgcMesh
var m1 = paredSur.ToMesh("paredSur");
var m2 = paredOeste.ToMesh("paredOeste");
var m3 = paredEste.ToMesh("paredEste");
var m4 = piso.ToMesh("piso");
//Convertir TgcMesh a TgcMeshBumpMapping
meshes = new List <TgcMeshBumpMapping>();
meshes.Add(TgcMeshBumpMapping.fromTgcMesh(m1, normalMapArray));
meshes.Add(TgcMeshBumpMapping.fromTgcMesh(m2, normalMapArray));
meshes.Add(TgcMeshBumpMapping.fromTgcMesh(m3, normalMapArray));
meshes.Add(TgcMeshBumpMapping.fromTgcMesh(m4, normalMapArray));
//Borrar TgcMesh y TgcBox, ya no se usan
paredSur.Dispose();
paredOeste.Dispose();
paredEste.Dispose();
piso.Dispose();
m1.Dispose();
m2.Dispose();
m3.Dispose();
m4.Dispose();
//Camara en 1ra persona
Camera = new TgcFpsCamera(new TGCVector3(200, 60, 50), Input);
//Cargar Shader personalizado para EnviromentMap
effect = TGCShaders.Instance.LoadEffect(ShadersDir + "EnvironmentMap.fx");
//Cargar shader en meshes
foreach (var m in meshes)
{
m.Effect = effect;
m.Technique = "EnvironmentMapTechnique";
}
//Mesh para la luz
lightMesh = TGCBox.fromSize(new TGCVector3(10, 10, 10), Color.Red);
reflectionModifier = AddFloat("reflection", 0, 1, 0.35f);
bumpinessModifier = AddFloat("bumpiness", 0, 1, 1f);
lightPosModifier = AddVertex3f("lightPos", new TGCVector3(-200, 0, -200), new TGCVector3(200, 100, 200), new TGCVector3(0, 80, 0));
lightColorModifier = AddColor("lightColor", Color.White);
lightIntensityModifier = AddFloat("lightIntensity", 0, 150, 20);
lightAttenuationModifier = AddFloat("lightAttenuation", 0.1f, 2, 0.3f);
specularExModifier = AddFloat("specularEx", 0, 20, 9f);
mEmissiveModifier = AddColor("mEmissive", Color.Black);
mAmbientModifier = AddColor("mAmbient", Color.White);
mDiffuseModifier = AddColor("mDiffuse", Color.White);
mSpecularModifier = AddColor("mSpecular", Color.White);
}
/// <summary>
/// Crear un TgcMeshBumpMapping en base a un TgcMesh y su normalMap.
/// Solo esta soportado un TgcMehs MeshRenderType = DiffuseMap
/// </summary>
public static TgcMeshBumpMapping fromTgcMesh(TgcMesh mesh, TgcTexture[] normalMaps)
{
if (mesh.RenderType != MeshRenderType.DIFFUSE_MAP)
{
throw new Exception("Solo esta soportado MeshRenderType = DiffuseMap");
}
//Obtener vertexBuffer original
var origVertexBuffer = (TgcSceneLoader.DiffuseMapVertex[])mesh.D3dMesh.LockVertexBuffer(
typeof(TgcSceneLoader.DiffuseMapVertex), LockFlags.ReadOnly, mesh.D3dMesh.NumberVertices);
mesh.D3dMesh.UnlockVertexBuffer();
//Crear nuevo Mesh de DirectX
var triCount = origVertexBuffer.Length / 3;
var d3dMesh = new Mesh(triCount, origVertexBuffer.Length, MeshFlags.Managed, BumpMappingVertexElements,
D3DDevice.Instance.Device);
//Calcular normales recorriendo los triangulos
var normals = new TGCVector3[origVertexBuffer.Length];
for (var i = 0; i < normals.Length; i++)
{
normals[i] = TGCVector3.Empty;
}
for (var i = 0; i < triCount; i++)
{
//Los 3 vertices del triangulo
var v1 = origVertexBuffer[i * 3];
var v2 = origVertexBuffer[i * 3 + 1];
var v3 = origVertexBuffer[i * 3 + 2];
//Face-normal (left-handend)
var a = v2.Position - v1.Position;
var b = v3.Position - v1.Position;
var n = TGCVector3.Cross(a, b);
//Acumular normal del vertice segun todas sus Face-normal
normals[i * 3] += n;
normals[i * 3 + 1] += n;
normals[i * 3 + 2] += n;
}
//Normalizar normales
for (var i = 0; i < normals.Length; i++)
{
normals[i] = TGCVector3.Normalize(normals[i]);
}
//Crear nuevo VertexBuffer
using (var vb = d3dMesh.VertexBuffer)
{
//Iterar sobre triangulos
var data = vb.Lock(0, 0, LockFlags.None);
for (var i = 0; i < triCount; i++)
{
//Vertices originales
var vOrig1 = origVertexBuffer[i * 3];
var vOrig2 = origVertexBuffer[i * 3 + 1];
var vOrig3 = origVertexBuffer[i * 3 + 2];
//Nuevo vertice 1
var v1 = new BumpMappingVertex();
v1.Position = vOrig1.Position;
v1.Color = vOrig1.Color;
v1.Tu = vOrig1.Tu;
v1.Tv = vOrig1.Tv;
v1.Normal = normals[i * 3];
//Nuevo vertice 2
var v2 = new BumpMappingVertex();
v2.Position = vOrig2.Position;
v2.Color = vOrig2.Color;
v2.Tu = vOrig2.Tu;
v2.Tv = vOrig2.Tv;
v2.Normal = normals[i * 3 + 1];
//Nuevo vertice 3
var v3 = new BumpMappingVertex();
v3.Position = vOrig3.Position;
v3.Color = vOrig3.Color;
v3.Tu = vOrig3.Tu;
v3.Tv = vOrig3.Tv;
v3.Normal = normals[i * 3 + 2];
//Calcular tangente y binormal para todo el triangulo y cargarlas en cada vertice
TGCVector3 tangent;
TGCVector3 binormal;
computeTangentBinormal(v1, v2, v3, out tangent, out binormal);
v1.Tangent = tangent;
v1.Binormal = binormal;
v2.Tangent = tangent;
v2.Binormal = binormal;
v3.Tangent = tangent;
v3.Binormal = binormal;
//Cargar VertexBuffer
data.Write(v1);
data.Write(v2);
data.Write(v3);
}
vb.Unlock();
}
//Cargar IndexBuffer en forma plana
using (var ib = d3dMesh.IndexBuffer)
{
var indices = new short[origVertexBuffer.Length];
for (var i = 0; i < indices.Length; i++)
{
indices[i] = (short)i;
}
ib.SetData(indices, 0, LockFlags.None);
}
//Clonar texturas y materials
var diffuseMaps = new TgcTexture[mesh.DiffuseMaps.Length];
var materials = new Material[mesh.Materials.Length];
for (var i = 0; i < mesh.DiffuseMaps.Length; i++)
{
diffuseMaps[i] = mesh.DiffuseMaps[i].Clone();
materials[i] = D3DDevice.DEFAULT_MATERIAL;
}
//Cargar attributeBuffer
if (diffuseMaps.Length > 1)
{
var origAttributeBuffer = mesh.D3dMesh.LockAttributeBufferArray(LockFlags.None);
var newAttributeBuffer = d3dMesh.LockAttributeBufferArray(LockFlags.None);
Array.Copy(origAttributeBuffer, newAttributeBuffer, origAttributeBuffer.Length);
mesh.D3dMesh.UnlockAttributeBuffer();
d3dMesh.UnlockAttributeBuffer(newAttributeBuffer);
}
//Crear mesh de BumpMapping Mesh
var bumpMesh = new TgcMeshBumpMapping(d3dMesh, mesh.Name, mesh.RenderType);
bumpMesh.diffuseMaps = diffuseMaps;
bumpMesh.materials = materials;
bumpMesh.NormalMaps = normalMaps;
bumpMesh.layer = mesh.Layer;
bumpMesh.AlphaBlendEnable = mesh.AlphaBlendEnable;
bumpMesh.UserProperties = mesh.UserProperties;
bumpMesh.boundingBox = mesh.BoundingBox.clone();
bumpMesh.enabled = true;
return(bumpMesh);
}
