/// <summary>
/// Find all the required components.
/// </summary>
void Start()
{
mTrans = transform;
mMain = Camera.main;
mWidget = GetComponent <SGWidget>();
mAlpha = mWidget.color.a;
// Find the camera automatically
if (hudCamera == null)
{
hudCamera = HUDCamera.cam;
}
if (hudCamera == null)
{
hudCamera = Tools.FindInParents <Camera>(mTrans);
}
if (hudCamera == null)
{
Debug.LogError(Tools.GetHierarchy(gameObject) + " needs a camera to work with");
Destroy(this);
}
else if (mMain == hudCamera)
{
Debug.LogWarning("HUD camera and main cameras are the same. This script will do nothing.");
Destroy(this);
}
else
{
// Remember the initial distance
mDist = hudCamera.WorldToViewportPoint(mTrans.position).z;
}
}
protected override void OnCopyFrom(SGWidget widget)
{
SGSprite copy = widget as SGSprite;
if (copy != null)
{
textureRect = copy.textureRect;
centered = copy.centered;
}
}
/// <summary>
/// Remove the specified widget from the managed list.
/// </summary>
public void RemoveWidget(SGWidget widget)
{
//Debug.Log("Removing " + widget.name + " from " + name);
if (mWidgets != null)
{
mWidgets.Remove(widget);
mRebuild = true;
}
}
protected override void OnCopyFrom(SGWidget widget)
{
SGSprite copy = widget as SGSprite;
if (copy != null)
{
textureRect = copy.textureRect;
centered = copy.centered;
}
}
/// <summary>
/// Add the specified widget to the managed list.
/// </summary>
public void AddWidget(SGWidget widget)
{
//Debug.Log("Adding " + widget.name + " to " + name);
if (widget != null && !mWidgets.Contains(widget))
{
mWidgets.Add(widget);
mRebuild = true;
if (!Application.isPlaying) LateUpdate();
}
}
/// <summary>
/// Static widget comparison function used for Z-sorting.
/// </summary>
static public int CompareFunc(SGWidget left, SGWidget right)
{
if (left.mDepth > right.mDepth)
{
return(1);
}
if (left.mDepth < right.mDepth)
{
return(-1);
}
return(0);
}
protected override void OnCopyFrom(SGWidget widget)
{
base.OnCopyFrom(widget);
SGBorderedSprite copy = widget as SGBorderedSprite;
if (copy != null)
{
outerRect = copy.outerRect;
innerRect = copy.innerRect;
}
}
/// <summary>
/// Add the specified widget to the managed list.
/// </summary>
public void AddWidget(SGWidget widget)
{
//Debug.Log("Adding " + widget.name + " to " + name);
if (widget != null && !mWidgets.Contains(widget))
{
mWidgets.Add(widget);
mRebuild = true;
if (!Application.isPlaying)
{
LateUpdate();
}
}
}
/// <summary>
/// Work-around for Unity not calling OnEnable in some cases.
/// </summary>
void Update()
{
if (mScreen == null)
{
Start();
}
if (sizeMatchesScale)
{
OnMatchScale(transform.localScale);
sizeMatchesScale = false;
}
if (copyFrom != null)
{
OnCopyFrom(copyFrom);
copyFrom = null;
}
}
void Start()
{
mWidget = GetComponent <SGWidget>();
mNormal = mWidget.color;
}
/// <summary>
/// Called when a "copy from" widget gets assigned
/// </summary>
virtual protected void OnCopyFrom(SGWidget widget)
{
color = widget.color;
}
void Start()
{
mWidget = GetComponent <SGWidget>();
}
/// <summary>
/// Remove the specified widget from the managed list.
/// </summary>
public void RemoveWidget(SGWidget widget)
{
//Debug.Log("Removing " + widget.name + " from " + name);
if (mWidgets != null)
{
mWidgets.Remove(widget);
mRebuild = true;
}
}
void Start()
{
mWidget = GetComponent<SGWidget>();
}
/// <summary>
/// Rebuild the UI.
/// </summary>
void LateUpdate()
{
if (mWidgets == null)
{
return;
}
// Update all widgets
for (int i = mWidgets.Count; i > 0;)
{
SGWidget w = mWidgets[--i];
if (w == null)
{
mWidgets.RemoveAt(i);
}
else
{
mRebuild |= w.ScreenUpdate();
}
}
// No need to keep this screen if we don't have any widgets left
if (mWidgets.Count == 0)
{
if (Application.isPlaying)
{
Destroy(gameObject);
return;
}
if (mMesh != null)
{
DestroyImmediate(mMesh);
mMesh = null;
}
if (this != null)
{
DestroyImmediate(gameObject);
}
return;
}
// Only continue if we need to rebuild
if (!mRebuild)
{
return;
}
// Sort all widgets back-to-front
mWidgets.Sort(SGWidget.CompareFunc);
// Cache all components
if (mFilter == null)
{
mFilter = gameObject.GetComponent <MeshFilter>();
}
if (mFilter == null)
{
mFilter = gameObject.AddComponent <MeshFilter>();
}
if (mRen == null)
{
mRen = gameObject.GetComponent <MeshRenderer>();
}
if (mRen == null)
{
mRen = gameObject.AddComponent <MeshRenderer>();
mRen.sharedMaterial = mMat;
}
// Fill the vertices and UVs
foreach (SGWidget w in mWidgets)
{
int offset = mVerts.Count;
w.OnFill(mVerts, mUvs, mCols);
// Transform all vertices into world space
Transform t = w.mTrans;
for (int i = offset, imax = mVerts.Count; i < imax; ++i)
{
mVerts[i] = t.TransformPoint(mVerts[i]);
}
}
int count = mVerts.Count;
// Safety check to ensure we get valid values
if (count > 0 && (count == mUvs.Count && count == mCols.Count) && (count % 4) == 0)
{
int index = 0;
// It takes 6 indices to draw a quad of 4 vertices
int[] indices = new int[(count >> 1) * 3];
// Populate the index buffer
for (int i = 0; i < count; i += 4)
{
indices[index++] = i;
indices[index++] = i + 1;
indices[index++] = i + 2;
indices[index++] = i + 2;
indices[index++] = i + 3;
indices[index++] = i;
}
if (mMesh == null)
{
mMesh = new Mesh();
mMesh.name = "UIScreen for " + mMat.name;
}
else
{
mMesh.Clear();
}
// Set the mesh values
mMesh.vertices = mVerts.ToArray();
mMesh.uv = mUvs.ToArray();
mMesh.colors = mCols.ToArray();
mMesh.triangles = indices;
mMesh.RecalculateBounds();
mFilter.mesh = mMesh;
}
else
{
Debug.LogError("UIWidgets must fill the buffer with 4 vertices per quad. Found " + count);
}
// Cleanup
mVerts.Clear();
mUvs.Clear();
mCols.Clear();
// Don't rebuild the screen next frame
mRebuild = false;
}
void Start()
{
mWidget = GetComponent <SGWidget>();
StartCoroutine(Flicker());
}
