private static void HandleNodeActionEnd(EditorInputInfo inputInfo)
{
CombinMeshEditor cme = inputInfo.editorState.editor as CombinMeshEditor;
if (inputInfo.editorState.action == EditorState.Action.None && inputInfo.inputEvent.button == 0)
{
for (int i = 0; i < cme.nodeList.Count; ++i)
{
CombinNode cn = cme.nodeList[i];
if (cn.drawRect.Contains(inputInfo.inputPos))
{
cme.focusedNode = cn;
break;
}
}
}
if (inputInfo.editorState.action == EditorState.Action.Move && cme.focusedNode != null)
{
CombinNode cn = cme.focusedNode;
cn.rect.x += inputInfo.editorState.dragOffset.x * inputInfo.editorState.zoom;
cn.rect.y += inputInfo.editorState.dragOffset.y * inputInfo.editorState.zoom;
cn.offset = Vector2.zero;
inputInfo.editorState.dragOffset = Vector2.zero;
}
if (inputInfo.editorState.action == EditorState.Action.Scale && cme.focusedNode != null)
{
CombinNode cn = cme.focusedNode;
Rect rect = cn.drawRect;
float zoom = inputInfo.editorState.zoom;
if (cme.powerOfTwo)
{
cn.rect.width = EditorUtil.ToNearPowerOfTwo((int)(rect.width * zoom));
cn.rect.height = EditorUtil.ToNearPowerOfTwo((int)(rect.height * zoom));
}
else
{
cn.rect.width = rect.width * zoom;
cn.rect.height = rect.height * zoom;
}
cn.rect.x = rect.x * zoom - inputInfo.editorState.panOffset.x;
cn.rect.y = rect.y * zoom - inputInfo.editorState.panOffset.y;
cn.scale = Vector2.zero;
inputInfo.editorState.dragOffset = Vector2.zero;
}
inputInfo.editorState.action = EditorState.Action.None;
}
void CheckList()
{
if (nodeList.Count == 0)
{
ShaderName = string.Empty;
hadNormal = false;
hadSpecular = false;
focusedNode = null;
}
}
private static void HandleNodeAction(EditorInputInfo inputInfo)
{
CombinMeshEditor cme = inputInfo.editorState.editor as CombinMeshEditor;
if (inputInfo.editorState.action == EditorState.Action.None || cme.focusedNode == null)
{
return;
}
inputInfo.editorState.dragOffset = inputInfo.inputPos - inputInfo.editorState.dragMouseStart;
if (inputInfo.editorState.action == EditorState.Action.Move)
{
CombinNode cn = cme.focusedNode;
cn.offset = inputInfo.editorState.dragOffset;
}
if (inputInfo.editorState.action == EditorState.Action.Scale)
{
CombinNode cn = cme.focusedNode;
Vector2 offset = inputInfo.editorState.dragOffset;
if (inputInfo.inputEvent.shift)
{
switch (inputInfo.editorState.pivot)
{
case EditorState.Pivot.LeftTop:
{
float max = Mathf.Max(-offset.x, -offset.y);
offset = new Vector2(-max, -max);
}; break;
case EditorState.Pivot.LeftBottom:
{
float max = Mathf.Max(-offset.x, offset.y);
offset = new Vector2(-max, max);
}; break;
case EditorState.Pivot.RightTop:
{
float max = Mathf.Max(offset.x, -offset.y);
offset = new Vector2(max, -max);
}; break;
case EditorState.Pivot.RightBottom:
{
float max = Mathf.Max(offset.x, offset.y);
offset = new Vector2(max, max);
}; break;
}
}
cn.scale = offset;
}
}
// 自动对齐贴图
public void AutoPackTexture()
{
Texture2D packingTex = new Texture2D(1, 1, TextureFormat.Alpha8, false);
float s = 1;
List <Texture2D> readyTexList = new List <Texture2D>();
for (int i = 0; i < nodeList.Count; ++i)
{
CombinNode ti = nodeList[i];
Texture2D tex = new Texture2D((int)ti.rect.width, (int)(ti.rect.height), TextureFormat.Alpha8, false);
readyTexList.Add(tex);
}
if (readyTexList.Count == 0)
{
return;
}
Rect[] rects = packingTex.PackTextures(readyTexList.ToArray(), padding, 2048);
if (rects == null)
{
EditorUtility.DisplayDialog("错误", "自动排列失败，贴图太多太大，2048装不下，对贴图缩放一下", "确定");
}
int w = packingTex.width;
int h = packingTex.height;
combinTextureWidth = w;
combinTextureHeight = h;
targetHeightSize = (Size)h;
targetWidthSize = (Size)w;
for (int i = 0; i < nodeList.Count; ++i)
{
Rect rect = rects[i];
CombinNode ti = nodeList[i];
ti.rect.x = rect.x * w;
ti.rect.y = rect.y * h;
ti.rect.width = rect.width * w;
ti.rect.height = rect.height * h;
}
readyTexList.Clear();
readyTexList = null;
rects = null;
}
// 处理UV并导出模型
public static void ExportMesh(CombinMeshEditor cme)
{
int w = cme.combinTextureWidth;
int h = cme.combinTextureHeight;
for (int i = 0; i < cme.nodeList.Count; ++i)
{
CombinNode ti = cme.nodeList[i];
Matrix2x2 matrix = Matrix2x2.identity.Clone();
matrix.Rotate(-ti.rotation * Mathf.PI / 180);
for (int j = 0; j < ti.objects.Count; ++j)
{
Mesh mesh = ti.meshs[j];
string fileDir = Path.GetDirectoryName(AssetDatabase.GetAssetPath(mesh));
string fbxName = Path.GetFileNameWithoutExtension(AssetDatabase.GetAssetPath(mesh)) + "_combin.FBX";
Vector2[] uvBak = new Vector2[mesh.uv.Length];
Array.Copy(mesh.uv, uvBak, mesh.uv.Length);
Vector2[] uv = new Vector2[mesh.uv.Length];
for (int mi = 0; mi < mesh.uv.Length; ++mi)
{
Vector2 u = Vector2.zero;
Vector2 v = mesh.uv[mi];
v.x -= 0.5f;
v.y -= 0.5f;
v = matrix * v;
v.x += 0.5f;
v.y += 0.5f;
u.x = v.x * ti.rect.width / w + ti.rect.x / w;
u.y = v.y * ti.rect.height / h + (h - ti.rect.y - ti.rect.height) / h;
uv[mi] = u;
}
mesh.uv = uv;
var options = new ExportModelSettingsSerialize();
options.exportFormat = ExportSettings.ExportFormat.Binary;
options.include = ExportSettings.Include.Model;
options.objectPosition = ExportSettings.ObjectPosition.LocalCentered;
options.exportUnrendered = true;
ModelExporter.ExportObject(fileDir + "/" + fbxName, ti.objects[j], options);
mesh.uv = uvBak;
}
}
}
public static void CreateMesh(Transform parent, CombinNode ti, float offset)
{
GameObject quad = GameObject.CreatePrimitive(PrimitiveType.Quad);
quad.layer = LayerMask.NameToLayer("UI");
ti.bakedObject = quad;
Transform quadTrans = quad.transform;
quadTrans.parent = parent;
quadTrans.localScale = new Vector3(ti.rect.width / 1024.0f, ti.rect.height / 1024.0f, 1);
quadTrans.localPosition = new Vector3(ti.rect.center.x / 1024.0f - 1, ti.rect.center.y / 1024.0f * -1 + 1, 1 + offset);
MeshRenderer mr = quad.GetComponent <MeshRenderer>();
Material mat = new Material(Shader.Find("Unlit/Texture"));
mr.material = mat;
ti.bakeMat = mat;
}
public override void OnGUI()
{
using (new Vertical())
{
using (new Horizontal())
{
GUILayout.Label("贴图宽：");
GUILayout.FlexibleSpace();
targetWidthSize = (Size)EditorGUILayout.EnumPopup(targetWidthSize, "OL Title", GUILayout.Height(30));
combinTextureWidth = (int)targetWidthSize;
}
using (new Horizontal())
{
GUILayout.Label("贴图高：");
GUILayout.FlexibleSpace();
targetHeightSize = (Size)EditorGUILayout.EnumPopup(targetHeightSize, "OL Title", GUILayout.Height(30));
combinTextureHeight = (int)targetHeightSize;
}
using (new Horizontal())
{
GUILayout.Label("Padding：");
GUILayout.FlexibleSpace();
padding = EditorGUILayout.IntField(padding);
}
using (new Horizontal())
{
powerOfTwo = GUILayout.Toggle(powerOfTwo, "2的N次方？");
}
if (GUILayout.Button("自动排列", "OL Title"))
{
AutoPackTexture();
}
GUILayout.Space(20);
if (GUILayout.Button("合并", "OL Title", GUILayout.MinHeight(30)))
{
if (combinTextureWidth * 1.0f / combinTextureHeight > 2 || combinTextureHeight * 1.0f / combinTextureWidth > 2)
{
EditorUtility.DisplayDialog("错误", "合并的贴图宽高或高宽比不能超过2", "确定");
return;
}
bakeTexture = true;
}
if (Selection.gameObjects.Length > 0)
{
List <GameObject> selectObject = new List <GameObject>();
for (int k = 0; k < Selection.gameObjects.Length; ++k)
{
bool has = false;
GameObject obj = Selection.gameObjects[k];
for (int i = 0; i < nodeList.Count; ++i)
{
for (int j = 0; j < nodeList[i].objects.Count; ++j)
{
if (nodeList[i].objects[j] == obj)
{
has = true;
break;
}
}
if (has)
{
break;
}
}
if (!has)
{
selectObject.Add(obj);
}
}
if (selectObject.Count > 0)
{
using (new Horizontal())
{
GUI.color = Color.red;
GUILayout.Button("", "MiniSliderHorizontal", GUILayout.Width(200));
GUI.color = Color.white;
}
GUI.backgroundColor = Color.blue;
if (GUILayout.Button("添加选中物体", "OL Title"))
{
AddNewMesh(selectObject);
}
GUI.backgroundColor = Color.white;
for (int i = 0; i < selectObject.Count; ++i)
{
GUI.backgroundColor = i % 2 == 0 ? new Color(0, 255, 0) : new Color(0, 155, 155);
GUILayout.Button(selectObject[i].name, "OL Title");
}
GUI.backgroundColor = Color.white;
}
}
using (new Horizontal())
{
GUI.color = Color.red;
GUILayout.Button("", "MiniSliderHorizontal", GUILayout.Width(200));
GUI.color = Color.white;
}
scrollPos = GUILayout.BeginScrollView(scrollPos);
int index = 0;
for (int i = 0; i < nodeList.Count; ++i)
{
for (int j = 0; j < nodeList[i].objects.Count; ++j)
{
using (new Horizontal())
{
GUI.backgroundColor = Color.yellow;
GUILayout.Button("" + (index++), "OL Title", GUILayout.MaxWidth(20));
GUI.backgroundColor = index % 2 == 0 ? new Color(0, 255, 0) : new Color(0, 155, 155);
if (GUILayout.Button(nodeList[i].objects[j].name, "OL Title"))
{
Selection.activeGameObject = nodeList[i].objects[j];
}
GUI.backgroundColor = Color.red;
if (GUILayout.Button("×", "OL Title", GUILayout.MaxWidth(20)))
{
nodeList[i].objects.RemoveAt(j);
if (nodeList[i].objects.Count == 0)
{
nodeList.RemoveAt(i);
}
focusedNode = null;
return;
}
GUI.backgroundColor = Color.white;
}
}
}
CheckList();
GUILayout.EndScrollView();
}
}
// 添加新物体，并作检查
public void AddNewMesh(List <GameObject> objects)
{
for (int i = 0; i < objects.Count; ++i)
{
GameObject obj = objects[i];
MeshFilter mf = obj.GetComponent <MeshFilter>();
if (mf == null || mf.sharedMesh == null)
{
EditorUtility.DisplayDialog("错误", "添加的物体[" + obj.name + "]不包含mesh!", "确定");
return;
}
Renderer rd = obj.GetComponent <Renderer>();
if (rd == null || rd.sharedMaterial == null)
{
EditorUtility.DisplayDialog("错误", "添加的物体[" + obj.name + "]不包含材质球，最好是添加预制件!", "确定");
return;
}
Material mat = rd.sharedMaterial;
if (mat.mainTexture == null || mat.mainTexture.height > 2048 || mat.mainTexture.width > 2048)
{
EditorUtility.DisplayDialog("错误", "添加的物体[" + obj.name + "]材质球没有贴图!或者贴图的尺寸>2048", "确定");
return;
}
if (string.IsNullOrEmpty(ShaderName))
{
ShaderName = mat.shader.name;
hadNormal = mat.HasProperty("_Normal") && mat.GetTexture("_Normal") != null;
hadSpecular = mat.HasProperty("_SpecTex") && mat.GetTexture("_SpecTex") != null;
}
if (mat.shader.name != ShaderName)
{
EditorUtility.DisplayDialog("错误", "添加的物体[" + obj.name + "]材质球和之前添加的物体的着色器不相同!", "确定");
return;
}
Mesh mesh = mf.sharedMesh;
Texture2D texNormal = mat.HasProperty("_Normal") ? mat.GetTexture("_Normal") as Texture2D : null;
Texture2D texSpecular = mat.HasProperty("_SpecTex") ? mat.GetTexture("_SpecTex") as Texture2D : null;
if (hadNormal && texNormal == null)
{
EditorUtility.DisplayDialog("错误", "[" + obj.name + "]材质包含法线贴图，添加的物体不包含!", "确定");
return;
}
if (hadSpecular && texSpecular == null)
{
EditorUtility.DisplayDialog("错误", "[" + obj.name + "]材质包含高光贴图，添加的物体不包含!", "确定");
return;
}
for (int j = 0; j < nodeList.Count; ++j)
{
CombinNode ti = nodeList[j];
if (ti.meshs.Contains(mesh))
{
EditorUtility.DisplayDialog("错误", "已经添加过包含此Mesh的物体了!", "确定");
return;
}
}
}
for (int i = 0; i < objects.Count; ++i)
{
GameObject obj = objects[i];
MeshFilter mf = obj.GetComponent <MeshFilter>();
Mesh mesh = mf.sharedMesh;
Renderer rd = obj.GetComponent <Renderer>();
Material mat = rd.sharedMaterial;
Texture2D texNormal = mat.HasProperty("_Normal") ? mat.GetTexture("_Normal") as Texture2D : null;
Texture2D texSpecular = mat.HasProperty("_SpecTex") ? mat.GetTexture("_SpecTex") as Texture2D : null;
for (int j = 0; j < nodeList.Count; ++j)
{
CombinNode ti = nodeList[j];
if (ti.texture == mat.mainTexture)
{
ti.meshs.Add(mesh);
ti.objects.Add(obj);
focusedNode = ti;
return;
}
}
CombinNode combinNode = new CombinNode();
combinNode.texture = mat.mainTexture as Texture2D;
combinNode.textureNormal = texNormal;
combinNode.textureSpecular = texSpecular;
combinNode.rect = new Rect(0, 0, combinNode.texture.width, combinNode.texture.height);
combinNode.path = Path.GetDirectoryName(AssetDatabase.GetAssetPath(combinNode.texture));
combinNode.objects.Add(obj);
combinNode.meshs.Add(mesh);
nodeList.Add(combinNode);
focusedNode = combinNode;
}
}