// Learn cc.Class:
//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/class.html
//  - [English] http://docs.cocos2d-x.org/creator/manual/en/scripting/class.html
// Learn Attribute:
//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/reference/attributes.html
//  - [English] http://docs.cocos2d-x.org/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/life-cycle-callbacks.html
//  - [English] https://www.cocos2d-x.org/docs/creator/manual/en/scripting/life-cycle-callbacks.html


// var vfmtPosUvColor = new gfx.VertexFormat([
//     { name: gfx.ATTR_POSITION, type: gfx.ATTR_TYPE_FLOAT32, num: 2 },
//     { name: gfx.ATTR_UV0, type: gfx.ATTR_TYPE_FLOAT32, num: 2 },
//     { name: gfx.ATTR_UV1, type: gfx.ATTR_TYPE_FLOAT32, num: 2 },
//     { name: gfx.ATTR_UV2, type: gfx.ATTR_TYPE_FLOAT32, num: 2 },

// ]);
// vfmtPosUvColor.name = 'vfmtPosUvColor';
// gfx.VertexFormat.XY_UV_Color = vfmtPosUvColor;



var ShaderMaterial = require('ShaderMaterial');
var Utils = require("Utils")
var ccmat = new ShaderMaterial()


cc.battlegrass = cc.Class({
    extends: cc.Component,

    properties: {
        chr: {
            default: null,
            type: cc.Node,
        },
        m_sp: {
            default: null,
            type: cc.Sprite,
        },
        m_dis: 100,
        m_pra: 0.3,
        m_speed: 100,
    },

    // LIFE-CYCLE CALLBACKS:

    // onLoad () {},

    start() {


    },
    init() {
        this.m_sp = this.getComponent(cc.Sprite)
        this.m_sp.type = 6
    },
    setree(x, y,treenode) {
        this.treenode = treenode
        this.m_sp._updateAssembler()
        this.m_sp.shaderpar1 = this.m_sp.node.width * cc.hdscale
        this.m_sp.shaderpar2 = this.m_sp.node.height * cc.hdscale
        this.m_sp.shaderpar3 = x - this.m_sp.node.width / 2 * cc.hdscale
        this.m_sp.shaderpar4 = y //- this.m_sp.node.height / 2

        if (!cc.grassdis) {
            cc.grassdis = 0
        }
        this.mat = ccmat
        this.mat.applaySpriteOnce(this.m_sp, "Grass", {
            plus: this.m_pra,
            distance: 0,
        });



        this.pnode = {
            x: this.m_sp.shaderpar3 + this.m_sp.node.width / 2 * cc.hdscale,
            y: this.m_sp.shaderpar4 + this.m_sp.node.height / 2 * cc.hdscale,
            width: this.m_sp.shaderpar1,
            height: this.m_sp.shaderpar2,
        }


    },

    update(dt) {
        if(this.treenode.isdead){
            this.m_sp.shaderpar1 = 0
            return
        }


        if (this.mat) {
            var player = cc.gameMgr.watchPlayer
            if (player.needreset) {
                player.ingrass = false
                player.needreset = false
            }
            if (!player.ingrass && Utils.hitTestRectangle(player, this.pnode)) {
                player.ingrass = true
                if (cc.grassdis < this.m_dis) {
                    cc.grassdis += dt * this.m_speed
                    this.mat.setParamValue('u_dis', cc.grassdis);
                }
            }
        }

    },
    lateUpdate(dt) {
        if(this.treenode.isdead){
            return
        }
        if (this.mat) {
            var player = cc.gameMgr.watchPlayer
            if (!player.needreset) {
                if (player.ingrass) {
                    this.mat.setParamValue('u_cPos', cc.v2(player.x, player.y));
                } else {
                    if (cc.grassdis > 0) {
                        cc.grassdis -= dt * this.m_speed
                        this.mat.setParamValue('u_dis', cc.grassdis);
                    }
                    this.mat.setParamValue('u_cPos', cc.v2(player.x, player.y));
                    // this.mat.setParamValue('u_cPos', cc.v2(99999, 99999));
                    // this.mat.setParamValue('u_dis', 0); 
                    //cc.grassdis = 0
                }
                player.needreset = true
            }

        }
    }
});