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/*★ File Open Menu 前田 稔 ★*/
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using System;
using System.Drawing;
using System.ComponentModel;
using System.Windows.Forms;
using System.IO;
using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;
using Direct3D=Microsoft.DirectX.Direct3D;
namespace MeshesTutorial
{
public class Meshes : Form
{
Device device = null; // Our rendering device
Mesh mesh = null; // Our mesh object in sysmem
Direct3D.Material[] meshMaterials; // Materials for our mesh
Texture[] meshTextures; // Textures for our mesh
PresentParameters presentParams = new PresentParameters();
bool pause = true;
string XFilePath = "C:\\DATA\\XFILE\\";
string XFileName = "cone.x";
static MainMenu menu = null;
public Meshes()
{
this.ClientSize = new System.Drawing.Size(400,300);
this.Text = "Direct3D File Menu";
// メインメニューを生成
menu = new MainMenu();
MenuItem item = menu.MenuItems.Add("ファイル(&F)");
item.MenuItems.Add(new MenuItem("開く(&O)", new EventHandler(this.OpenMesh)));
item.MenuItems.Add(new MenuItem("終了(&X)", new EventHandler(this.FileExit), Shortcut.CtrlQ));
item = menu.MenuItems.Add("ヘルプ(&H)");
item.MenuItems.Add(new MenuItem("バージョン情報(&A)...", new EventHandler(this.HelpAbout)));
this.Menu = menu;
}
bool InitializeGraphics()
{
try
{
// Set up the structure used to create the D3DDevice. Since we are now
presentParams.Windowed = true;
presentParams.SwapEffect = SwapEffect.Discard;
presentParams.EnableAutoDepthStencil = true;
presentParams.AutoDepthStencilFormat = DepthFormat.D16;
// Create the D3DDevice
device = new Device(0, DeviceType.Hardware, this, CreateFlags.SoftwareVertexProcessing, presentParams);
device.DeviceReset += new System.EventHandler(this.OnResetDevice);
pause = false;
}
catch (DirectXException)
{ return false; }
return true;
}
// X-FILE を入力して、描画の準備を整える
public void OnResetDevice(object sender, EventArgs e)
{
Device dev = (Device)sender;
// Turn on the zbuffer
dev.RenderState.ZBufferEnable = true;
// Load the mesh from the specified file
ExtendedMaterial[] materials = null;
Directory.SetCurrentDirectory(XFilePath);
mesh = Mesh.FromFile(XFileName, MeshFlags.SystemMemory, device, out materials);
// Allocate a material/texture arrays
meshMaterials = new Material[materials.Length];
meshTextures = new Texture[materials.Length];
// Copy the materials and load the textures
for(int i = 0; i < meshMaterials.Length; i++)
{
meshMaterials[i] = materials[i].Material3D;
meshMaterials[i].AmbientColor = meshMaterials[i].DiffuseColor;
if ( (materials[i].TextureFilename != null) && (materials[i].TextureFilename.Length > 0) )
{
// Create the texture
meshTextures[i] = TextureLoader.FromFile(dev, materials[i].TextureFilename);
}
}
// 法線情報がなければ計算して作成
if ((mesh.VertexFormat & VertexFormats.Normal) == 0)
{
Mesh temporaryMesh = mesh.Clone(mesh.Options.Value,
mesh.VertexFormat | VertexFormats.Normal, device);
// 法線を計算
temporaryMesh.ComputeNormals();
// 古いメッシュを破棄し、置き換える
mesh.Dispose();
mesh = temporaryMesh;
}
}
void SetupMatrices()
{
device.Transform.World = Matrix.RotationY(Environment.TickCount/1000.0f );
device.Transform.View = Matrix.LookAtLH(new Vector3( 0.0f, 0.0f,-5.0f ),
new Vector3( 0.0f, 0.0f, 0.0f ), new Vector3( 0.0f, 1.0f, 0.0f ) );
device.Transform.Projection = Matrix.PerspectiveFovLH( (float)(Math.PI / 4),
(float)this.Width / (float)this.Height, 0.1f, 5000.0f );
}
private void SetupLights()
{
System.Drawing.Color col = System.Drawing.Color.White;
Direct3D.Material mtrl = new Direct3D.Material();
mtrl.Diffuse = col;
mtrl.Ambient = col;
device.Material = mtrl;
device.Lights[0].Type = LightType.Directional;
device.Lights[0].Diffuse = System.Drawing.Color.White;
device.Lights[0].Direction = new Vector3(50.0f, -40.0f, 100.0f);
device.Lights[0].Enabled = true;//turn it on
device.RenderState.Ambient = System.Drawing.Color.FromArgb(0x202020);
}
private void Render()
{
if (device == null) return;
if (pause) return;
//Clear the backbuffer to a blue color
device.Clear(ClearFlags.Target | ClearFlags.ZBuffer, System.Drawing.Color.LightGray, 1.0f, 0);
//Begin the scene
device.BeginScene();
SetupLights();
// Setup the world, view, and projection matrices
SetupMatrices();
if (mesh != null)
{ // Meshes are divided into subsets, one for each material. Render them in
for (int i = 0; i < meshMaterials.Length; i++)
{
// Set the material and texture for this subset
device.Material = meshMaterials[i];
device.SetTexture(0, meshTextures[i]);
// Draw the mesh subset
mesh.DrawSubset(i);
}
}
//End the scene
device.EndScene();
device.Present();
}
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
this.Render(); // Render on painting
}
protected override void OnKeyPress(System.Windows.Forms.KeyPressEventArgs e)
{
if ((int)(byte)e.KeyChar == (int)System.Windows.Forms.Keys.Escape)
this.Dispose(); // Esc was pressed
}
protected override void OnResize(System.EventArgs e)
{
pause = ((this.WindowState == FormWindowState.Minimized) || !this.Visible);
}
// ファイル／終了メニューのイベントハンドラ
private void FileExit(object sender, EventArgs e)
{
this.Dispose();
}
// ヘルプ／バージョン情報メニューのイベントハンドラ
private void HelpAbout(object sender, EventArgs e)
{
MessageBox.Show("Project Menu Ver 1.0 Maeda Minoru");
}
// ファイル／オープンのイベントハンドラ
private void OpenMesh(object sender, EventArgs e)
{
System.Windows.Forms.OpenFileDialog ofn = new OpenFileDialog();
ofn.Filter = ".X Files (*.x)|*.x";
ofn.FileName = XFileName;
ofn.InitialDirectory = XFilePath;
ofn.Title = "Open Mesh File";
ofn.CheckFileExists = true;
ofn.Multiselect = false;
ofn.ShowReadOnly = false;
ofn.ShowDialog();
System.IO.FileInfo fo = new System.IO.FileInfo(ofn.FileName);
XFileName = fo.Name;
System.IO.Directory.SetCurrentDirectory(fo.DirectoryName);
XFilePath = fo.DirectoryName;
// メッシュを解放
if (mesh != null)
{
for(int i = 0; i < meshMaterials.Length; i++)
{
if (meshTextures[i] != null) meshTextures[i].Dispose();
}
meshMaterials = null;
mesh.Dispose();
}
// 新しいメッシュを生成
OnResetDevice(device, null);
}
//☆ Main() メソッド
[STAThread]
static void Main()
{
using (Meshes frm = new Meshes())
{
if (!frm.InitializeGraphics()) // Initialize Direct3D
{
MessageBox.Show("Could not initialize Direct3D. This tutorial will exit.");
return;
}
frm.Show();
// While the form is still valid, render and process messages
while(frm.Created)
{
frm.Render();
Application.DoEvents();
}
}
}
}
}
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