// --- Formatting footer methods ---
// These can be a bit involved due to all the tree traversal and filtering.
string FormatFooter(string triggerId, BaseHelp help)
{
var sb = new StringBuilder();
var trHelp = help as TriggerHelp;
var cmdHelp = help as CommandHelp;
if (trHelp != null)
{
TriggerFooter(sb, triggerId, trHelp);
}
if (cmdHelp != null)
{
CommandFooter(sb, triggerId, cmdHelp);
}
// Common for all help types.
var alsoSee = string.Join(
Help.ListSep, help.AlsoSee.Select(h => h.Topic)
);
if (alsoSee != string.Empty)
{
if (sb.Length > 0)
{
sb.Append(sectionSep);
}
sb.Append(alsoSection).Append(alsoSee);
}
return(sb.ToString());
}
public HelpResult(BaseHelp bHelp, string footer)
{
firstLine = bHelp.Documentation
.FirstOrDefault() ?? Help.NoHelpError;
restLines = bHelp.Documentation
.Skip(1).ToList();
if (!string.IsNullOrEmpty(footer))
{
restLines.Add(footer);
}
}
static ForeachSelectionResult CreateAnimatorPrefabImpl(UnityEngine.Object obj)
{
string project_relative_path = AssetDatabase.GetAssetPath(obj);
if (!project_relative_path.EndsWith(".fbx") && !project_relative_path.EndsWith(".FBX"))
{
Debug.LogError("所选对象不是模型 !!!");
return(ForeachSelectionResult.result_continue);
}
// 确保有配置文件
string folder = BaseHelp.GetParentDir(project_relative_path);
string clip_file_path = string.Format("{0}/MecanimConfig.asset", folder);
MecanimConfig mecanim_config = AssetDatabase.LoadAssetAtPath(clip_file_path, typeof(MecanimConfig)) as MecanimConfig;
if (!mecanim_config)
{
return(ForeachSelectionResult.result_continue);
}
// 创建Animator，添加一个名为"state"的变量
string name = Path.GetFileNameWithoutExtension(project_relative_path);
string animator_file_path = string.Format("{0}/{1}.controller", folder, name);
AnimatorController controller = AnimatorController.CreateAnimatorControllerAtPath(animator_file_path);
controller.AddParameter(MecanimController.STATE_PARAMETER, AnimatorControllerParameterType.Int);
List <AnimationClip> clips = new List <AnimationClip>();
AnimatorStateMachine sm = controller.layers[0].stateMachine;
UnityEngine.Object[] objects = AssetDatabase.LoadAllAssetsAtPath(project_relative_path);
int count = objects.Length;
for (int i = 0; i < count; ++i)
{
UnityEngine.Object one = objects[i];
AnimationClip clip = one as AnimationClip;
if (!clip)
{
continue;
}
// 排除原始的"__preview__"动作
if (clip.name.StartsWith("__"))
{
continue;
}
clips.Add(clip);
}
// 调整排序和配置一致
clips.Sort
(
delegate(AnimationClip c1, AnimationClip c2)
{
int index_1 = -1;
int index_2 = -1;
int index_count = mecanim_config.clips.Count;
for (int i = 0; i < index_count; ++i)
{
MecanimClipConfig clip = mecanim_config.clips[i];
if (c1.name == clip.name)
{
index_1 = i;
}
else if (c2.name == clip.name)
{
index_2 = i;
}
if (index_1 != -1 && index_2 != -1)
{
break;
}
}
return((index_1 < index_2) ? -1 : 1);
}
);
// 创建状态
List <string> states = new List <string>();
count = clips.Count;
for (int i = 0; i < count; ++i)
{
// 绑定clip
AnimationClip clip = clips[i];
AnimatorState state = sm.AddState(clip.name);
state.motion = clip;
// 动作切换
AnimatorStateTransition transition = sm.AddAnyStateTransition(state);
transition.AddCondition(AnimatorConditionMode.Equals, states.Count, MecanimController.STATE_PARAMETER);
transition.canTransitionToSelf = false;
transition.duration = 0;
states.Add(clip.name);
}
// 创建预设，添加MecanimController
Object template = AssetDatabase.LoadAssetAtPath(project_relative_path, typeof(GameObject));
GameObject instance = Object.Instantiate(template) as GameObject;
Animator animator = BaseHelp.EnsureHasComponent <Animator>(instance) as Animator;
animator.runtimeAnimatorController = controller;
MecanimController mecanim = BaseHelp.EnsureHasComponent <MecanimController>(instance) as MecanimController;
mecanim.states = states;
// 如果有材质则绑定材质
if (mecanim_config.material != null)
{
Renderer[] renderers = instance.GetComponentsInChildren <Renderer>();
if (renderers != null)
{
int renderer_count = renderers.Length;
for (int i = 0; i < renderer_count; ++i)
{
Renderer one = renderers[i];
one.material = (i == 0) ? mecanim_config.material : mecanim_config.material_addition;
}
}
}
// 设置初始形态
instance.transform.localRotation = Quaternion.Euler(mecanim_config.rotation);
string prefab_path = string.Format("{0}/{1}.prefab", folder, name);
PrefabUtility.SaveAsPrefabAsset(instance, prefab_path);
Object.DestroyImmediate(instance, true);
return(ForeachSelectionResult.result_none);
}
public string Format(HelpRequest req, BaseHelp help)
{
return(FormatFooter(req.First, help));
}
static ForeachSelectionResult BakeGPUSkinImpl(UnityEngine.Object obj)
{
string project_relative_path = AssetDatabase.GetAssetPath(obj);
string folder = BaseHelp.GetParentDir(project_relative_path);
string file_name = Path.GetFileNameWithoutExtension(project_relative_path);
Object template = AssetDatabase.LoadAssetAtPath <Object>(project_relative_path) as Object;
GameObject go = Object.Instantiate(template) as GameObject;
Animator animator = go.GetComponent <Animator>();
if (animator == null)
{
return(ForeachSelectionResult.result_continue);
}
SkinnedMeshRenderer smr = go.GetComponentInChildren <SkinnedMeshRenderer>();
if (smr == null)
{
return(ForeachSelectionResult.result_continue);
}
AnimatorController animator_controller = (AnimatorController)animator.runtimeAnimatorController;
if (animator_controller == null)
{
return(ForeachSelectionResult.result_continue);
}
Mesh baked_mesh = new Mesh();
int vertices_count = smr.sharedMesh.vertexCount;
// 贴图横坐标为顶点索引，纵坐标为采样帧索引
int texture_width = Mathf.NextPowerOfTwo(vertices_count);
// 动作区段配置
List <GPUSkinSection> sections = new List <GPUSkinSection>();
// 先计算贴图的高并创建贴图
int texture_height = 0;
float total_time = 0;
AnimationClip[] clips = animator_controller.animationClips;
int clip_count = clips.Length;
for (int i = 0; i < clip_count; ++i)
{
AnimationClip clip = clips[i];
int cur_clip_frame = (int)(clip.frameRate * clip.length);
texture_height += cur_clip_frame;
total_time += clip.length;
}
Texture2D sample_texture = new Texture2D(texture_width, texture_height, TextureFormat.RGBAHalf, false);
int texture_cur_y = 0;
for (int i = 0; i < clip_count; ++i)
{
AnimationClip clip = clips[i];
int cur_clip_frame = (int)(clip.frameRate * clip.length);
float per_frame_time = clip.length / cur_clip_frame;
GPUSkinSection gpu_skin_section = new GPUSkinSection();
gpu_skin_section.start_row = texture_cur_y;
gpu_skin_section.end_row = texture_cur_y + cur_clip_frame - 1;
sections.Add(gpu_skin_section);
float sample_time = 0;
for (int j = 0; j < cur_clip_frame; ++j)
{
// 设置采样时间并烘焙
clip.SampleAnimation(go, sample_time);
smr.BakeMesh(baked_mesh);
// 写入顶点信息
for (int k = 0; k < vertices_count; ++k)
{
Vector3 vertex = baked_mesh.vertices[k];
sample_texture.SetPixel(k, texture_cur_y + j, new Color(vertex.x, vertex.y, vertex.z));
}
sample_time += per_frame_time;
}
texture_cur_y += cur_clip_frame;
}
sample_texture.Apply();
// 输出贴图
string texture_output = string.Format("{0}/{1}_gpu_skin.asset", folder, file_name);
AssetDatabase.CreateAsset(sample_texture, texture_output);
// 创建材质
Material mat = new Material(Shader.Find("LYGame/GPUSkin"));
mat.SetTexture("_MainTex", smr.sharedMaterial.mainTexture);
mat.SetTexture("_AnimationMap", sample_texture);
mat.SetFloat("_TotalTime", total_time);
// 默认开启GPUInstancing
mat.enableInstancing = true;
string mat_output = string.Format("{0}/{1}_gpu_skin.mat", folder, file_name);
AssetDatabase.CreateAsset(mat, mat_output);
// 创建预设
GameObject go_prefab = new GameObject();
go_prefab.AddComponent <MeshFilter>().sharedMesh = smr.sharedMesh;
go_prefab.AddComponent <MeshRenderer>().sharedMaterial = mat;
GPUSkinController gpu_skin_controller = go_prefab.AddComponent <GPUSkinController>();
gpu_skin_controller.sections = sections;
string prefab_output = string.Format("{0}/{1}_gpu_skin.prefab", folder, file_name);
PrefabUtility.SaveAsPrefabAsset(go_prefab, prefab_output);
// 销毁临时创建的GameObject
Object.DestroyImmediate(go);
Object.DestroyImmediate(go_prefab);
return(ForeachSelectionResult.result_none);
}
