public Material GetMaterial(MaterialHandle handle)
{
int handleID = (int)handle;
if (handleID >= m_Materials.Length)
{
Debug.LogError(string.Format("Material {0} is not registered.",
Enum.GetName(typeof(MaterialHandle), handleID)));
return(null);
}
return(m_Materials[handleID]);
}
public void Remove(MaterialHandle h)
{
if (this == null)
{
return; //可能已经被销毁
}
if (h.m_shareThing == null) //防止死锁
{
return;
}
Cache();
int idx = m_materials.IndexOf(h.m_shareThing);
if (idx == -1)
{
Debuger.LogError("逻辑错误，找不到shareThing");
h.m_shareThing = null;//防止死锁
return;
}
//从shareThing中删除
ShareThing st = m_materials[idx];
bool needChange = st.Get() == h; //如果最顶的不是h，那么肯定是不用改变render的材质的
st.Remove(h); //remove里执行了h.m_shareThing = null，必须保证在h.fx.Stop()之前执行，不然可能造成死锁
//Remove和stop可能会互相调用,要判断下内部已经做了判断
h.fx.Stop();
//不需要改材质
if (!needChange)
{
return;
}
//计算要改的材质
bool remove = false;
Material newMat = null;
MaterialHandle newH = st.Get <MaterialHandle>();
if (newH == null)//已经没有特效材质的情况，这个时候有原始材质就换回原始材质，没有就删除
{
if ((bool)st.m_param2)
{
newMat = (Material)st.m_param;
}
else
{
m_materials.RemoveAt(idx);
remove = true;
}
}
else//有别的特效材质的情况
{
newMat = newH.mat;
}
//真正把材质放到Render上
Material[] mats = m_render.sharedMaterials;
int length = remove ? mats.Length - 1 : mats.Length;
Material[] newMats = new Material[length];
int curIdx = 0;
for (int i = 0; i < mats.Length; ++i)
{
if (i == idx)
{
if (remove == false)
{
newMats[curIdx] = newMat;
}
}
else
{
newMats[curIdx] = mats[i];
}
if (i != idx || remove == false)
{
++curIdx;
}
}
m_render.sharedMaterials = newMats;
}
public MaterialHandle Add(MaterialFx fx)
{
Cache();
Material startMat = null;
//获取原始材质
if (fx.m_type == MaterialFx.enType.replace || fx.m_type == MaterialFx.enType.modify)
{
if (fx.m_matIndex >= m_materials.Count || m_materials[fx.m_matIndex].m_param == null)
{
Debuger.LogError("找不到对应材质，或者要改变材质的render材质丢失 fx:{0} index:{1}", fx.name, fx.m_matIndex);
return(null);
}
startMat = (Material)m_materials[fx.m_matIndex].m_param;
}
//创建新材质
Material newMat;
if (fx.m_type == MaterialFx.enType.add || fx.m_type == MaterialFx.enType.replace)
{
if (fx.m_mat == null)
{
Debuger.LogError("材质没有填 fx:{0} ", fx.name);
return(null);
}
if (fx.m_anis.Count == 0 && (fx.m_type == MaterialFx.enType.add || !fx.m_useOldTex))//不需要渐变的情况下材质不需要复制
{
newMat = fx.m_mat;
}
else
{
newMat = new Material(fx.m_mat);
newMat.name = fx.m_mat.name + "(Clone)";
}
}
else if (fx.m_type == MaterialFx.enType.modify)
{
newMat = new Material(startMat);
newMat.name = startMat.name + "(Clone)";
}
else
{
Debuger.LogError("未知的类型:{0}", fx.m_type);
return(null);
}
//如果有多个(Clone)后缀，那只保留一下
//if (newMat.name.EndsWith("(Clone)(Clone)"))
//newMat.name = newMat.name.Replace("(Clone)", "") + "(Clone)";
//替换新材质的贴图
if (fx.m_useOldTex && startMat != null)
{
Texture tex;
if (startMat.HasProperty("_MainTex"))
{
tex = startMat.GetTexture("_MainTex");
}
else if (startMat.HasProperty("_MainTexAlpha"))
{
tex = startMat.GetTexture("_MainTexAlpha");
}
else
{
Debuger.LogError("找不到老材质的贴图 fx:{0} index:{1}", fx.name, fx.m_matIndex);
return(null);
}
if (newMat.HasProperty("_MainTex"))
{
newMat.SetTexture("_MainTex", tex);
}
else if (newMat.HasProperty("_MainTexAlpha"))
{
newMat.SetTexture("_MainTexAlpha", tex);
}
else
{
Debuger.LogError("找不到新材质的贴图 fx:{0} index:{1}", fx.name, fx.m_matIndex);
return(null);
}
}
//添加到共享事物里进行管理
MaterialHandle handle = new MaterialHandle(fx, newMat, this);
ShareThing st;
int idx;
if (fx.m_type == MaterialFx.enType.add)
{
st = new ShareThing();
st.m_param = null; //原始材质记录下来,在这里没有原始材质
st.m_param2 = false; //表明不是是角色创建的时候就有的材质
m_materials.Add(st);
st.Add(handle);
idx = m_materials.Count - 1;
}
else
{
st = m_materials[fx.m_matIndex];
st.Add(handle);
idx = fx.m_matIndex;
}
//真正把材质放到Render上
bool needChange = handle == st.Get();
if (needChange)
{
Material[] mats = m_render.sharedMaterials;
int length = Mathf.Max(idx + 1, mats.Length);
Material[] newMats = new Material[length];
for (int i = 0; i < length; ++i)
{
if (i == idx)
{
newMats[i] = newMat;
}
else
{
newMats[i] = mats[i];
}
}
m_render.sharedMaterials = newMats;
}
return(handle);
}
