AddMaterials(SsPartRes part, SsColorBlendOperation colorBlendType)
{
SsImageFile img = part.imageFile;
SsShaderType shaderType = SsShaderManager.EnumToType(colorBlendType, part.AlphaBlendType, SsMaterialColorBlendOperation.Non);
Material material = img.GetMaterial(shaderType);
if (material)
{
return; // already added
}
// create material
#if _BUILD_UNIFIED_SHADERS
img.useUnifiedShader = _anmRes.UseCgProgram;
Shader shader = SsShaderManager.Get(shaderType, _anmRes.UseCgProgram);
#else
Shader shader = SsShaderManager.Get(shaderType, false);
#endif
// get material asset path
string assetPath = Path.GetDirectoryName(AssetDatabase.GetAssetPath(img.texture)) + "/assets/";
string shaderName = shader.name;
shaderName = shaderName.Replace("Ss/", "");
string assetName = assetPath + img.texture.name + "_Mat_" + shaderName + ".asset";
// try to load the exiting
Material existedMat = (Material)AssetDatabase.LoadAssetAtPath(assetName, typeof(Material));
Material mat = (existedMat ?? new Material(shader));
mat.SetTexture("_MainTex", img.texture);
if (existedMat == null)
{
// if none, create material as asset file newly
// Debug.Log("create material: " + img.path + " shader: " + shaderType);
if (!Directory.Exists(assetPath))
{
string parentFolder = Path.GetDirectoryName(assetPath.TrimEnd('\\', '/'));
AssetDatabase.CreateFolder(parentFolder, "assets");
}
AssetDatabase.CreateAsset(mat, assetName);
}
else
{
// update the existing content
mat.shader = shader;
EditorUtility.SetDirty(mat);
AssetDatabase.SaveAssets(); //same as EditorApplication.SaveAssets();
}
// add to material list
img.materials[SsShaderManager.ToSerial(shaderType)] = mat;
}
SsPart(
SsSprite manager,
int index, ///< index of parts
SsPartRes partRes, ///< part resource
SsImageFile imageFile) ///< source image path, texture and material.
{
_mgr = manager;
_index = index;
_vIndex = (index - 1) * 4;
_subMeshIndex = index - 1;
_res = partRes;
_mesh = _mgr._mesh;
if (_res.HasParent)
{
_parent = _mgr.Sprite(_res.ParentId);
if (_parent == null)
{
Debug.LogError("##### parent sprite must be created already!!");
//throw ArgumentNullException;
Debug.Break();
return;
}
}
// attach parent's transform to inherit its SRT.
_pivotMatrix = Matrix4x4.identity;
switch (_res.Type)
{
case SsPartType.Root:
// root has only position, no vertices
#if _APPLY_ROOT_POS_AS_PIVOT
_rootPivot = new Vector3(-_res.PosX(0), +_res.PosY(0), 0f);
#endif
break;
case SsPartType.Normal:
case SsPartType.Bound:
// each vertices are attached to pivot
_vertPositions = new Vector3[4];
_orgVertices = new Vector3[4];
for (int i = 0; i < _vertPositions.Length; ++i)
{
_orgVertices[i] = _vertPositions[i] = _res.OrgVertices[i];
#if _MOVE_BOUND_PART_TO_THE_FRONT
if (_res.Type == SsPartType.Bound)
{
_vertPositions[i].z = -0.1f;
_orgVertices[i].z = -0.1f;
}
#endif
}
break;
default:
// other types don't require vertices.
break;
}
// set startup value
_visible = !_res.Hide(0);
_flipH = false;
_flipV = false;
_pos = Vector3.zero;
_quaternion = Quaternion.identity;
_scale = Vector3.one;
#if _MAKE_ROOT_TO_LOCAL_TRANSFORM
_rotChanged = false;
#endif
// not any normal types don't require a material, colors, and vertices.
if (_res.Type != SsPartType.Normal &&
_res.Type != SsPartType.Bound)
{
return;
}
// shortcut
#if _USE_UNIFIED_SHADER
_useUnifiedShader = _res.imageFile.useUnifiedShader;
#endif
_useCgShader = (SystemInfo.graphicsShaderLevel >= 20);
if (_res.Type == SsPartType.Bound)
{
#if !_BOUND_PART_DRAW_AS_INVALID
// set vertex color to transparent red.
// this alpha value will be overwritten in AlphaValue property later.
_vertexColor = new Color(1, 0, 0, 1);
for (int i = 0; i < 4; ++i)
{
// set UVs to a point at left-top.
_mgr._uvs[_vIndex + i] = Vector2.zero;
// set vertex colors
_mgr._colors[_vIndex + i] = _vertexColor;
}
// invisible is default.
_visible = false;
#else
_visible = _mgr.DrawBoundingParts;
#endif
}
else
{
// default vertex color
_vertexColor = new Color(1, 1, 1, 1);
for (int i = 0; i < 4; ++i)
{
// set UVs. use precalculated UVs, it is stored clockwise
_mgr._uvs[_vIndex + i] = _res.UVs[i];
// set vertex colors
_mgr._colors[_vIndex + i] = _vertexColor;
}
// set blend type and _shaderType
ColorBlendType = SsColorBlendOperation.Non;
}
// set boolean about having transparency
if (_res.Type == SsPartType.Bound)
{
#if _BOUND_PART_DRAW_AS_INVALID
// become purple that mean invalid.
_material = null;
#else
// needs any appropriate material
_hasTransparency = true;
AlphaValue = 0.5f;
#endif
}
else
{
_hasTransparency = _res.HasTrancparency ||
(_parent != null && _res.Inherits(SsKeyAttr.Trans)); // always inherits parent's alpha whether the immediate parent has transparency or not. 2012.12.19 bug fixed
// set alpha value
AlphaValue = _res.Trans(0);
// set appropriate material. _shaderType was set inside ColorBlendType property.
_material = imageFile.GetMaterial(_shaderType);
}
//--------- calculates various info...
Update(true);
// set triangle indices. never changed so far.
#if _USE_TRIANGLE_STRIP
_triIndices = new int[] { _vIndex + 0, _vIndex + 1, _vIndex + 3, _vIndex + 2 }; // order is LT->RT->LB->RB.
#else
_triIndices = new int[] { _vIndex + 0, _vIndex + 1, _vIndex + 2, _vIndex + 2, _vIndex + 3, _vIndex + 0 }; // order is LT->RT->RB->RB->LB->LT
#endif
SetToSubmeshArray(_index - 1);
}
