using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[ExecuteInEditMode]
public class SkindQuad : MonoBehaviour {
    public Transform[] bones;
    SkinnedMeshRenderer smr;
    private void Awake()
    {
        Mesh m = new Mesh();

        m.vertices = new Vector3[]
        {

            new Vector3(0,-3,0),
            new Vector3(1,-4,0),
            new Vector3(-1,-4,0),//Spine

            new Vector3(-1,0,0),
            new Vector3(1,0,0),
            new Vector3(0,-1,0),//NECK

            new Vector3(-3,-1,0),
            new Vector3(-2,-1,0),
            new Vector3(-3,-3,0),//leftSoulder

            new Vector3(-3,-3,0),
            new Vector3(-2,-5,0),
            new Vector3(-3,-5,0),//LeftArm

            new Vector3(2,-1,0),
            new Vector3(3,-1,0),
            new Vector3(3,-3,0),//RightSoulder

            new Vector3(3,-3,0),
            new Vector3(3,-5,0),
            new Vector3(2,-5,0),//RightArm

            new Vector3(-1,-4,0),
            new Vector3(0,-4,0),
            new Vector3(-0.5f,-6,0),//leftLeg

            new Vector3(-0.5f,-6,0),
            new Vector3(0,-9,0),
            new Vector3(-1,-9,0),//LeftKnee

            new Vector3(0,-4,0),
            new Vector3(1,-4,0),
            new Vector3(0.5f,-6,0),//RightLeg

            new Vector3(0.5f,-6,0),
            new Vector3(1,-9,0),
            new Vector3(0,-9,0),//RightKnee

            new Vector3(-2,-1,0),
            new Vector3(2,-1,0),//body
            new Vector3(0,-3,0)

        };

        int[] triangles;

        triangles = new int[33];
        for (int i = 0; i < 33; i++)
            triangles[i] = i;
        m.triangles = triangles;

        m.bindposes = new Matrix4x4[]
        {
            bones[0].worldToLocalMatrix * transform.localToWorldMatrix,
            bones[1].worldToLocalMatrix * transform.localToWorldMatrix,
            bones[2].worldToLocalMatrix * transform.localToWorldMatrix,
            bones[3].worldToLocalMatrix * transform.localToWorldMatrix,
            bones[4].worldToLocalMatrix * transform.localToWorldMatrix,
            bones[5].worldToLocalMatrix * transform.localToWorldMatrix,
            bones[6].worldToLocalMatrix * transform.localToWorldMatrix,
            bones[7].worldToLocalMatrix * transform.localToWorldMatrix,
            bones[8].worldToLocalMatrix * transform.localToWorldMatrix,
            bones[9].worldToLocalMatrix * transform.localToWorldMatrix,
            bones[10].worldToLocalMatrix * transform.localToWorldMatrix,
        };

        BoneWeight[] bwIndex;
        bwIndex = new BoneWeight[33];

        for (int i = 0; i < 33; i++)
        {
            int tmp = i / 3;
            bwIndex[i] = new BoneWeight() { boneIndex0 = tmp, weight0 = 1.0f };
        }

        m.boneWeights = bwIndex;

        smr = GetComponent<SkinnedMeshRenderer>();
        smr.bones = bones;
        smr.sharedMesh = m;

        smr.quality = SkinQuality.Bone1;
    }
}