ui.py

# ##### BEGIN GPL LICENSE BLOCK #####
#
#  This program is free software; you can redistribute it and/or
#  modify it under the terms of the GNU General Public License
#  as published by the Free Software Foundation; either version 2
#  of the License, or (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software Foundation,
#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####


from blenderkit import paths, ratings, utils, search, upload, ui_bgl, download, bg_blender, colors, tasks_queue, \
    ui_panels, icons

import bpy

import math, random

from bpy.props import (
    BoolProperty,
    StringProperty,
    IntProperty,
    FloatVectorProperty
)

from bpy_extras import view3d_utils
import mathutils
from mathutils import Vector
import time
import datetime
import os

import logging

bk_logger = logging.getLogger('blenderkit')

handler_2d = None
handler_3d = None
active_area_pointer = None
active_window_pointer = None
active_region_pointer = None

reports = []

mappingdict = {
    'MODEL': 'model',
    'SCENE': 'scene',
    'HDR': 'hdr',
    'MATERIAL': 'material',
    'TEXTURE': 'texture',
    'BRUSH': 'brush'
}

verification_icons = {
    'ready': 'vs_ready.png',
    'deleted': 'vs_deleted.png',
    'uploaded': 'vs_uploaded.png',
    'uploading': 'vs_uploading.png',
    'on_hold': 'vs_on_hold.png',
    'validated': None,
    'rejected': 'vs_rejected.png'

}


# class UI_region():
#      def _init__(self, parent = None, x = 10,y = 10 , width = 10, height = 10, img = None, col = None):

def get_approximate_text_width(st):
    size = 10
    for s in st:
        if s in 'i|':
            size += 2
        elif s in ' ':
            size += 4
        elif s in 'sfrt':
            size += 5
        elif s in 'ceghkou':
            size += 6
        elif s in 'PadnBCST3E':
            size += 7
        elif s in 'GMODVXYZ':
            size += 8
        elif s in 'w':
            size += 9
        elif s in 'm':
            size += 10
        else:
            size += 7
    return size  # Convert to picas


def add_report(text='', timeout=5, color=colors.GREEN):
    global reports
    # check for same reports and just make them longer by the timeout.
    for old_report in reports:
        if old_report.text == text:
            old_report.timeout = old_report.age + timeout
            return
    report = Report(text=text, timeout=timeout, color=color)
    reports.append(report)


class Report():
    def __init__(self, text='', timeout=5, color=(.5, 1, .5, 1)):
        self.text = text
        self.timeout = timeout
        self.start_time = time.time()
        self.color = color
        self.draw_color = color
        self.age = 0

    def fade(self):
        fade_time = 1
        self.age = time.time() - self.start_time
        if self.age + fade_time > self.timeout:
            alpha_multiplier = (self.timeout - self.age) / fade_time
            self.draw_color = (self.color[0], self.color[1], self.color[2], self.color[3] * alpha_multiplier)
            if self.age > self.timeout:
                global reports
                try:
                    reports.remove(self)
                except Exception as e:
                    pass;

    def draw(self, x, y):
        if bpy.context.area.as_pointer() == active_area_pointer:
            ui_bgl.draw_text(self.text, x, y + 8, 16, self.draw_color)


def get_asset_under_mouse(mousex, mousey):
    s = bpy.context.scene
    ui_props = bpy.context.scene.blenderkitUI
    r = bpy.context.region

    search_results = s.get('search results')
    if search_results is not None:

        h_draw = min(ui_props.hcount, math.ceil(len(search_results) / ui_props.wcount))
        for b in range(0, h_draw):
            w_draw = min(ui_props.wcount, len(search_results) - b * ui_props.wcount - ui_props.scrolloffset)
            for a in range(0, w_draw):
                x = ui_props.bar_x + a * (ui_props.margin + ui_props.thumb_size) + ui_props.margin + ui_props.drawoffset
                y = ui_props.bar_y - ui_props.margin - (ui_props.thumb_size + ui_props.margin) * (b + 1)
                w = ui_props.thumb_size
                h = ui_props.thumb_size

                if x < mousex < x + w and y < mousey < y + h:
                    return a + ui_props.wcount * b + ui_props.scrolloffset

                #   return search_results[a]

    return -3


def draw_bbox(location, rotation, bbox_min, bbox_max, progress=None, color=(0, 1, 0, 1)):
    ui_props = bpy.context.scene.blenderkitUI

    rotation = mathutils.Euler(rotation)

    smin = Vector(bbox_min)
    smax = Vector(bbox_max)
    v0 = Vector(smin)
    v1 = Vector((smax.x, smin.y, smin.z))
    v2 = Vector((smax.x, smax.y, smin.z))
    v3 = Vector((smin.x, smax.y, smin.z))
    v4 = Vector((smin.x, smin.y, smax.z))
    v5 = Vector((smax.x, smin.y, smax.z))
    v6 = Vector((smax.x, smax.y, smax.z))
    v7 = Vector((smin.x, smax.y, smax.z))

    arrowx = smin.x + (smax.x - smin.x) / 2
    arrowy = smin.y - (smax.x - smin.x) / 2
    v8 = Vector((arrowx, arrowy, smin.z))

    vertices = [v0, v1, v2, v3, v4, v5, v6, v7, v8]
    for v in vertices:
        v.rotate(rotation)
        v += Vector(location)

    lines = [[0, 1], [1, 2], [2, 3], [3, 0], [4, 5], [5, 6], [6, 7], [7, 4], [0, 4], [1, 5],
             [2, 6], [3, 7], [0, 8], [1, 8]]
    ui_bgl.draw_lines(vertices, lines, color)
    if progress != None:
        color = (color[0], color[1], color[2], .2)
        progress = progress * .01
        vz0 = (v4 - v0) * progress + v0
        vz1 = (v5 - v1) * progress + v1
        vz2 = (v6 - v2) * progress + v2
        vz3 = (v7 - v3) * progress + v3
        rects = (
            (v0, v1, vz1, vz0),
            (v1, v2, vz2, vz1),
            (v2, v3, vz3, vz2),
            (v3, v0, vz0, vz3))
        for r in rects:
            ui_bgl.draw_rect_3d(r, color)


def get_rating_scalevalues(asset_type):
    xs = []
    if asset_type == 'model':
        scalevalues = (0.5, 1, 2, 5, 10, 25, 50, 100, 250)
        for v in scalevalues:
            a = math.log2(v)
            x = (a + 1) * (1. / 9.)
            xs.append(x)
    else:
        scalevalues = (0.2, 1, 2, 3, 4, 5)
        for v in scalevalues:
            a = v
            x = v / 5.
            xs.append(x)
    return scalevalues, xs


def draw_ratings_bgl():
    # return;
    ui = bpy.context.scene.blenderkitUI

    rating_possible, rated, asset, asset_data = is_rating_possible()
    if rating_possible:  # (not rated or ui_props.rating_menu_on):
        # print('rating is pssible', asset_data['name'])
        bkit_ratings = asset.bkit_ratings
        bgcol = bpy.context.preferences.themes[0].user_interface.wcol_tooltip.inner
        textcol = (1, 1, 1, 1)

        r = bpy.context.region
        font_size = int(ui.rating_ui_scale * 20)

        if ui.rating_button_on:
            # print('should draw button')
            img = utils.get_thumbnail('star_white.png')

            ui_bgl.draw_image(ui.rating_x,
                              ui.rating_y - ui.rating_button_width,
                              ui.rating_button_width,
                              ui.rating_button_width,
                              img, 1)

            # if ui_props.asset_type != 'BRUSH':
            #     thumbnail_image = props.thumbnail
            # else:
            #     b = utils.get_active_brush()
            #     thumbnail_image = b.icon_filepath

            directory = paths.get_temp_dir('%s_search' % asset_data['assetType'])
            tpath = os.path.join(directory, asset_data['thumbnail_small'])
            img = utils.get_hidden_image(tpath, 'rating_preview')
            ui_bgl.draw_image(ui.rating_x + ui.rating_button_width,
                              ui.rating_y - ui.rating_button_width,
                              ui.rating_button_width,
                              ui.rating_button_width,
                              img, 1)
            # ui_bgl.draw_text( 'rate asset %s' % asset_data['name'],r.width - rating_button_width + margin, margin, font_size)
            return


def draw_text_block(x=0, y=0, width=40, font_size=10, line_height=15, text='', color=colors.TEXT):
    lines = text.split('\n')
    nlines = []
    for l in lines:
        nlines.extend(search.split_subs(l, ))

    column_lines = 0
    for l in nlines:
        ytext = y - column_lines * line_height
        column_lines += 1
        ui_bgl.draw_text(l, x, ytext, font_size, color)


def draw_tooltip(x, y, text='', author='', img=None, gravatar=None):
    region = bpy.context.region
    scale = bpy.context.preferences.view.ui_scale
    t = time.time()

    ttipmargin = 5
    textmargin = 10

    font_height = int(12 * scale)
    line_height = int(15 * scale)
    nameline_height = int(23 * scale)

    lines = text.split('\n')
    alines = author.split('\n')
    ncolumns = 2
    # nlines = math.ceil((len(lines) - 1) / ncolumns)
    nlines = max(len(lines) - 1, len(alines))  # math.ceil((len(lines) - 1) / ncolumns)

    texth = line_height * nlines + nameline_height

    if not img or max(img.size[0], img.size[1]) == 0:
        return;
    isizex = int(512 * scale * img.size[0] / max(img.size[0], img.size[1]))
    isizey = int(512 * scale * img.size[1] / max(img.size[0], img.size[1]))

    estimated_height = 2 * ttipmargin + textmargin + isizey
    if estimated_height > y:
        scaledown = y / (estimated_height)
        scale *= scaledown
        # we need to scale these down to have correct size if the tooltip wouldn't fit.
        font_height = int(12 * scale)
        line_height = int(15 * scale)
        nameline_height = int(23 * scale)

        lines = text.split('\n')

        texth = line_height * nlines + nameline_height
        isizex = int(512 * scale * img.size[0] / max(img.size[0], img.size[1]))
        isizey = int(512 * scale * img.size[1] / max(img.size[0], img.size[1]))

    name_height = int(18 * scale)

    x += 2 * ttipmargin
    y -= 2 * ttipmargin

    width = isizex + 2 * ttipmargin

    properties_width = 0
    for r in bpy.context.area.regions:
        if r.type == 'UI':
            properties_width = r.width

    x = min(x + width, region.width - properties_width) - width

    bgcol = bpy.context.preferences.themes[0].user_interface.wcol_tooltip.inner
    bgcol1 = (bgcol[0], bgcol[1], bgcol[2], .6)
    textcol = bpy.context.preferences.themes[0].user_interface.wcol_tooltip.text
    textcol = (textcol[0], textcol[1], textcol[2], 1)
    textcol_mild = (textcol[0] * .8, textcol[1] * .8, textcol[2] * .8, 1)
    textcol_strong = (textcol[0] * 1.3, textcol[1] * 2.3, textcol[2] * 1.3, 1)
    textcol_strong = (0.4, 1, 0.3, 1)
    white = (1, 1, 1, .1)

    # background
    ui_bgl.draw_rect(x - ttipmargin,
                     y - 2 * ttipmargin - isizey,
                     isizex + ttipmargin * 2,
                     2 * ttipmargin + isizey,
                     bgcol)
    # main preview image
    ui_bgl.draw_image(x, y - isizey - ttipmargin, isizex, isizey, img, 1)
    # text overlay background
    ui_bgl.draw_rect(x - ttipmargin,
                     y - 2 * ttipmargin - isizey,
                     isizex + ttipmargin * 2,
                     2 * ttipmargin + texth,
                     bgcol1)
    # draw gravatar
    gsize = 40
    if gravatar is not None:
        # ui_bgl.draw_image(x + isizex - gsize - textmargin, y - isizey + texth - gsize - nameline_height - textmargin,
        #                   gsize, gsize, gravatar, 1)
        ui_bgl.draw_image(x + isizex / 2 + textmargin, y - isizey + texth - gsize - nameline_height - textmargin,
                          gsize, gsize, gravatar, 1)

    i = 0
    column_lines = -1  # start minus one for the name
    xtext = x + textmargin
    fsize = name_height
    tcol = textcol

    for l in lines:
        ytext = y - column_lines * line_height - nameline_height - ttipmargin - textmargin - isizey + texth
        if i == 0:
            ytext = y - name_height + 5 - isizey + texth - textmargin
        elif i == len(lines) - 1:
            ytext = y - (nlines - 1) * line_height - nameline_height - ttipmargin * 2 - isizey + texth
            tcol = textcol
            tsize = font_height
        else:
            fsize = font_height
            if l[:4] == 'Tip:' or l[:11] == 'Please rate':
                tcol = textcol_strong
                fsize = font_height + 1

        i += 1
        column_lines += 1
        ui_bgl.draw_text(l, xtext, ytext, fsize, tcol)
    xtext += int(isizex / ncolumns)

    column_lines = 1
    for l in alines:
        if gravatar is not None:
            if column_lines == 1:
                xtext += gsize + textmargin
            if column_lines == 4:
                xtext -= gsize + textmargin

        ytext = y - column_lines * line_height - nameline_height - ttipmargin - textmargin - isizey + texth
        if i == 0:
            ytext = y - name_height + 5 - isizey + texth - textmargin
        elif i == len(lines) - 1:
            ytext = y - (nlines - 1) * line_height - nameline_height - ttipmargin * 2 - isizey + texth
            tcol = textcol
            tsize = font_height
        else:
            fsize = font_height
            if l[:4] == 'Tip:' or l[:11] == 'Please rate':
                tcol = textcol_strong
                fsize = font_height + 1

        i += 1
        column_lines += 1
        ui_bgl.draw_text(l, xtext, ytext, fsize, tcol)

    # for l in lines:
    #     if column_lines >= nlines:
    #         xtext += int(isizex / ncolumns)
    #         column_lines = 0
    #     ytext = y - column_lines * line_height - nameline_height - ttipmargin - textmargin - isizey + texth
    #     if i == 0:
    #         ytext = y - name_height + 5 - isizey + texth - textmargin
    #     elif i == len(lines) - 1:
    #         ytext = y - (nlines - 1) * line_height - nameline_height - ttipmargin * 2 - isizey + texth
    #         tcol = textcol
    #         tsize = font_height
    #     else:
    #         if l[:4] == 'Tip:':
    #             tcol = textcol_strong
    #         fsize = font_height
    #     i += 1
    #     column_lines += 1
    #     ui_bgl.draw_text(l, xtext, ytext, fsize, tcol)

    t = time.time()


def draw_tooltip_with_author(asset_data, x, y):
    # TODO move this lazy loading into a function and don't duplicate through the code

    img = get_large_thumbnail_image(asset_data)
    gimg = None
    atip = ''
    if bpy.context.window_manager.get('bkit authors') is not None:
        a = bpy.context.window_manager['bkit authors'].get(asset_data['author']['id'])
        if a is not None and a != '':
            if a.get('gravatarImg') is not None:
                gimg = utils.get_hidden_image(a['gravatarImg'], a['gravatarHash'])
            atip = a['tooltip']

    # scene = bpy.context.scene
    # ui_props = scene.blenderkitUI
    draw_tooltip(x, y, text=asset_data['tooltip'], author=atip, img=img,
                 gravatar=gimg)


def draw_tooltip_old(x, y, text='', author='', img=None):
    region = bpy.context.region
    scale = bpy.context.preferences.view.ui_scale
    t = time.time()

    ttipmargin = 10

    font_height = int(12 * scale)
    line_height = int(15 * scale)
    nameline_height = int(23 * scale)

    lines = text.split('\n')
    ncolumns = 2
    nlines = math.ceil((len(lines) - 1) / ncolumns)
    texth = line_height * nlines + nameline_height

    isizex = int(512 * scale * img.size[0] / max(img.size[0], img.size[1]))
    isizey = int(512 * scale * img.size[1] / max(img.size[0], img.size[1]))

    estimated_height = texth + 3 * ttipmargin + isizey

    if estimated_height > y:
        scaledown = y / (estimated_height)
        scale *= scaledown
        # we need to scale these down to have correct size if the tooltip wouldn't fit.
        font_height = int(12 * scale)
        line_height = int(15 * scale)
        nameline_height = int(23 * scale)

        lines = text.split('\n')
        ncolumns = 2
        nlines = math.ceil((len(lines) - 1) / ncolumns)
        texth = line_height * nlines + nameline_height

        isizex = int(512 * scale * img.size[0] / max(img.size[0], img.size[1]))
        isizey = int(512 * scale * img.size[1] / max(img.size[0], img.size[1]))

    name_height = int(18 * scale)

    x += 2 * ttipmargin
    y -= 2 * ttipmargin

    width = isizex + 2 * ttipmargin

    properties_width = 0
    for r in bpy.context.area.regions:
        if r.type == 'UI':
            properties_width = r.width

    x = min(x + width, region.width - properties_width) - width

    bgcol = bpy.context.preferences.themes[0].user_interface.wcol_tooltip.inner
    textcol = bpy.context.preferences.themes[0].user_interface.wcol_tooltip.text
    textcol = (textcol[0], textcol[1], textcol[2], 1)
    textcol1 = (textcol[0] * .8, textcol[1] * .8, textcol[2] * .8, 1)
    white = (1, 1, 1, .1)

    ui_bgl.draw_rect(x - ttipmargin,
                     y - texth - 2 * ttipmargin - isizey,
                     isizex + ttipmargin * 2,
                     texth + 3 * ttipmargin + isizey,
                     bgcol)

    i = 0
    column_lines = -1  # start minus one for the name
    xtext = x
    fsize = name_height
    tcol = textcol
    for l in lines:
        if column_lines >= nlines:
            xtext += int(isizex / ncolumns)
            column_lines = 0
        ytext = y - column_lines * line_height - nameline_height - ttipmargin
        if i == 0:
            ytext = y - name_height + 5
        elif i == len(lines) - 1:
            ytext = y - (nlines - 1) * line_height - nameline_height - ttipmargin
            tcol = textcol
            tsize = font_height
        else:
            if l[:5] == 'tags:':
                tcol = textcol1
            fsize = font_height
        i += 1
        column_lines += 1
        ui_bgl.draw_text(l, xtext, ytext, fsize, tcol)
    t = time.time()
    ui_bgl.draw_image(x, y - texth - isizey - ttipmargin, isizex, isizey, img, 1)


def draw_callback_2d(self, context):
    if not utils.guard_from_crash():
        return

    a = context.area
    w = context.window
    try:
        # self.area might throw error just by itself.
        a1 = self.area
        w1 = self.window
        go = True
        if len(a.spaces[0].region_quadviews) > 0:
            # print(dir(bpy.context.region_data))
            # print('quad', a.spaces[0].region_3d, a.spaces[0].region_quadviews[0])
            if a.spaces[0].region_3d != context.region_data:
                go = False
    except:
        # bpy.types.SpaceView3D.draw_handler_remove(self._handle_2d, 'WINDOW')
        # bpy.types.SpaceView3D.draw_handler_remove(self._handle_3d, 'WINDOW')
        go = False
    if go and a == a1 and w == w1:

        props = context.scene.blenderkitUI
        if props.down_up == 'SEARCH':
            draw_ratings_bgl()
            draw_asset_bar(self, context)
        elif props.down_up == 'UPLOAD':
            draw_callback_2d_upload_preview(self, context)


def draw_downloader(x, y, percent=0, img=None, text=''):
    if img is not None:
        ui_bgl.draw_image(x, y, 50, 50, img, .5)

    ui_bgl.draw_rect(x, y, 50, int(0.5 * percent), (.2, 1, .2, .3))
    ui_bgl.draw_rect(x - 3, y - 3, 6, 6, (1, 0, 0, .3))
    # if asset_data is not None:
    #     ui_bgl.draw_text(asset_data['name'], x, y, colors.TEXT)
    #     ui_bgl.draw_text(asset_data['filesSize'])
    if text:
        ui_bgl.draw_text(text, x, y - 15, 12, colors.TEXT)
        # asset_data and asset_data.get('filesSize'):
        # fs = asset_data['filesSize']
        # fsmb = fs // (1024 * 1024)
        # fskb = fs % 1024
        # if fsmb == 0:
        #     t += 'files size: %iKB\n' % fskb
        # else:
        #     t += 'files size: %iMB %iKB\n' % (fsmb, fskb)


def draw_progress(x, y, text='', percent=None, color=colors.GREEN):
    ui_bgl.draw_rect(x, y, percent, 5, color)
    ui_bgl.draw_text(text, x, y + 8, 16, color)


def draw_callback_3d_progress(self, context):
    # 'star trek' mode gets here, blocked by now ;)
    for threaddata in download.download_threads:
        asset_data = threaddata[1]
        tcom = threaddata[2]
        if tcom.passargs.get('downloaders'):
            for d in tcom.passargs['downloaders']:
                if asset_data['assetType'] == 'model':
                    draw_bbox(d['location'], d['rotation'], asset_data['bbox_min'], asset_data['bbox_max'],
                              progress=tcom.progress)


def draw_callback_2d_progress(self, context):
    green = (.2, 1, .2, .3)
    offset = 0
    row_height = 35

    ui = bpy.context.scene.blenderkitUI

    x = ui.reports_x
    y = ui.reports_y
    index = 0
    for threaddata in download.download_threads:
        asset_data = threaddata[1]
        tcom = threaddata[2]

        directory = paths.get_temp_dir('%s_search' % asset_data['assetType'])
        tpath = os.path.join(directory, asset_data['thumbnail_small'])
        img = utils.get_hidden_image(tpath, asset_data['id'])

        if tcom.passargs.get('downloaders'):
            for d in tcom.passargs['downloaders']:

                loc = view3d_utils.location_3d_to_region_2d(bpy.context.region, bpy.context.space_data.region_3d,
                                                            d['location'])
                if loc is not None:
                    if asset_data['assetType'] == 'model':
                        # models now draw with star trek mode, no need to draw percent for the image.
                        draw_downloader(loc[0], loc[1], percent=tcom.progress, img=img, text=tcom.report)
                    else:
                        draw_downloader(loc[0], loc[1], percent=tcom.progress, img=img, text=tcom.report)
        else:
            draw_progress(x, y - index * 30, text='downloading %s' % asset_data['name'],
                          percent=tcom.progress)
            index += 1

    for process in bg_blender.bg_processes:
        tcom = process[1]
        draw_progress(x, y - index * 30, '%s' % tcom.lasttext,
                      tcom.progress)
        index += 1
    global reports
    for report in reports:
        report.draw(x, y - index * 30)
        index += 1
        report.fade()


def draw_callback_2d_upload_preview(self, context):
    ui_props = context.scene.blenderkitUI

    props = utils.get_upload_props()

    # assets which don't need asset preview
    if ui_props.asset_type == 'HDR':
        return

    if props != None and ui_props.draw_tooltip:

        if ui_props.asset_type != 'BRUSH':
            ui_props.thumbnail_image = props.thumbnail
        else:
            b = utils.get_active_brush()
            ui_props.thumbnail_image = b.icon_filepath

        img = utils.get_hidden_image(ui_props.thumbnail_image, 'upload_preview')

        draw_tooltip(ui_props.bar_x, ui_props.bar_y, text=ui_props.tooltip, img=img)


def is_upload_old(asset_data):
    '''
    estimates if the asset is far too long in the 'uploaded' state
    This returns the number of days the validation is over the limit.
    '''
    date_time_str = asset_data["created"][:10]
    # date_time_str = 'Jun 28 2018 7:40AM'
    date_time_obj = datetime.datetime.strptime(date_time_str, '%Y-%m-%d')
    today = date_time_obj.today()
    age = today - date_time_obj
    old = datetime.timedelta(days=7)
    if age > old:
        return (age.days - old.days)
    return 0


def get_large_thumbnail_image(asset_data):
    '''Get thumbnail image from asset data'''
    scene = bpy.context.scene
    ui_props = scene.blenderkitUI
    iname = utils.previmg_name(ui_props.active_index, fullsize=True)
    directory = paths.get_temp_dir('%s_search' % mappingdict[ui_props.asset_type])
    tpath = os.path.join(directory, asset_data['thumbnail'])
    if not asset_data['thumbnail']:
        tpath = paths.get_addon_thumbnail_path('thumbnail_not_available.jpg')

    if asset_data['assetType'] == 'hdr':
        colorspace = 'Non-Color'
    else:
        colorspace = 'sRGB'
    img = utils.get_hidden_image(tpath, iname, colorspace=colorspace)
    return img


def draw_asset_bar(self, context):
    s = bpy.context.scene
    ui_props = context.scene.blenderkitUI
    user_preferences = bpy.context.preferences.addons['blenderkit'].preferences

    r = self.region
    # hc = bpy.context.preferences.themes[0].view_3d.space.header
    # hc = bpy.context.preferences.themes[0].user_interface.wcol_menu_back.inner
    # hc = (hc[0], hc[1], hc[2], .2)
    hc = (1, 1, 1, .07)
    # grey1 = (hc.r * .55, hc.g * .55, hc.b * .55, 1)
    grey2 = (hc[0] * .8, hc[1] * .8, hc[2] * .8, .5)
    # grey1 = (hc.r, hc.g, hc.b, 1)
    white = (1, 1, 1, 0.2)
    green = (.2, 1, .2, .7)
    highlight = bpy.context.preferences.themes[0].user_interface.wcol_menu_item.inner_sel
    highlight = (1, 1, 1, .2)
    # highlight = (1, 1, 1, 0.8)
    # background of asset bar
    # if ui_props.hcount>0:
    #     #this fixes a draw issue introduced in blender 2.91. draws a very small version of the image to avoid problems
    #     # with alpha. Not sure why this works.
    #     img = utils.get_thumbnail('arrow_left.png')
    #     ui_bgl.draw_image(0, 0, 1,
    #                       1,
    #                       img,
    #                       1)
    if not ui_props.dragging and ui_props.hcount > 0 and ui_props.wcount > 0:
        search_results = s.get('search results')
        search_results_orig = s.get('search results orig')
        if search_results == None:
            return
        h_draw = min(ui_props.hcount, math.ceil(len(search_results) / ui_props.wcount))

        if ui_props.wcount > len(search_results):
            bar_width = len(search_results) * (ui_props.thumb_size + ui_props.margin) + ui_props.margin
        else:
            bar_width = ui_props.bar_width
        row_height = ui_props.thumb_size + ui_props.margin
        ui_bgl.draw_rect(ui_props.bar_x, ui_props.bar_y - ui_props.bar_height, bar_width,
                         ui_props.bar_height, hc)

        if search_results is not None:
            if ui_props.scrolloffset > 0 or ui_props.wcount * ui_props.hcount < len(search_results):
                ui_props.drawoffset = 35
            else:
                ui_props.drawoffset = 0

            if ui_props.wcount * ui_props.hcount < len(search_results):
                # arrows
                arrow_y = ui_props.bar_y - int((ui_props.bar_height + ui_props.thumb_size) / 2) + ui_props.margin
                if ui_props.scrolloffset > 0:

                    if ui_props.active_index == -2:
                        ui_bgl.draw_rect(ui_props.bar_x, ui_props.bar_y - ui_props.bar_height, 25,
                                         ui_props.bar_height, highlight)
                    img = utils.get_thumbnail('arrow_left.png')
                    ui_bgl.draw_image(ui_props.bar_x, arrow_y, 25,
                                      ui_props.thumb_size,
                                      img,
                                      1)

                if search_results_orig['count'] - ui_props.scrolloffset > (ui_props.wcount * ui_props.hcount) + 1:
                    if ui_props.active_index == -1:
                        ui_bgl.draw_rect(ui_props.bar_x + ui_props.bar_width - 25,
                                         ui_props.bar_y - ui_props.bar_height, 25,
                                         ui_props.bar_height,
                                         highlight)
                    img1 = utils.get_thumbnail('arrow_right.png')
                    ui_bgl.draw_image(ui_props.bar_x + ui_props.bar_width - 25,
                                      arrow_y, 25,
                                      ui_props.thumb_size, img1, 1)

            for b in range(0, h_draw):
                w_draw = min(ui_props.wcount, len(search_results) - b * ui_props.wcount - ui_props.scrolloffset)

                y = ui_props.bar_y - (b + 1) * (row_height)
                for a in range(0, w_draw):
                    x = ui_props.bar_x + a * (
                            ui_props.margin + ui_props.thumb_size) + ui_props.margin + ui_props.drawoffset

                    #
                    index = a + ui_props.scrolloffset + b * ui_props.wcount
                    iname = utils.previmg_name(index)
                    img = bpy.data.images.get(iname)
                    if img is not None and img.size[0] > 0 and img.size[1] > 0:
                        w = int(ui_props.thumb_size * img.size[0] / max(img.size[0], img.size[1]))
                        h = int(ui_props.thumb_size * img.size[1] / max(img.size[0], img.size[1]))
                        crop = (0, 0, 1, 1)
                        if img.size[0] > img.size[1]:
                            offset = (1 - img.size[1] / img.size[0]) / 2
                            crop = (offset, 0, 1 - offset, 1)

                        ui_bgl.draw_image(x, y, w, w, img, 1,
                                          crop=crop)
                        if index == ui_props.active_index:
                            ui_bgl.draw_rect(x - ui_props.highlight_margin, y - ui_props.highlight_margin,
                                             w + 2 * ui_props.highlight_margin, w + 2 * ui_props.highlight_margin,
                                             highlight)
                        # if index == ui_props.active_index:
                        #     ui_bgl.draw_rect(x - highlight_margin, y - highlight_margin,
                        #               w + 2*highlight_margin, h + 2*highlight_margin , highlight)

                    else:
                        ui_bgl.draw_rect(x, y, ui_props.thumb_size, ui_props.thumb_size, white)

                    result = search_results[index]
                    # code to inform validators that the validation is waiting too long and should be done asap
                    if result['verificationStatus'] == 'uploaded':
                        if utils.profile_is_validator():
                            over_limit = is_upload_old(result)
                            if over_limit:
                                redness = min(over_limit * .05, 0.5)
                                red = (1, 0, 0, redness)
                                ui_bgl.draw_rect(x, y, ui_props.thumb_size, ui_props.thumb_size, red)

                    if result['downloaded'] > 0:
                        ui_bgl.draw_rect(x, y, int(ui_props.thumb_size * result['downloaded'] / 100.0), 2, green)
                    # object type icons - just a test..., adds clutter/ not so userfull:
                    # icons = ('type_finished.png', 'type_template.png', 'type_particle_system.png')

                    if (result.get('canDownload', True)) == 0:
                        img = utils.get_thumbnail('locked.png')
                        ui_bgl.draw_image(x + 2, y + 2, 24, 24, img, 1)

                    v_icon = verification_icons[result.get('verificationStatus', 'validated')]
                    if v_icon is not None:
                        img = utils.get_thumbnail(v_icon)
                        ui_bgl.draw_image(x + ui_props.thumb_size - 26, y + 2, 24, 24, img, 1)

            # if user_preferences.api_key == '':
            #     report = 'Register on BlenderKit website to upload your own assets.'
            #     ui_bgl.draw_text(report, ui_props.bar_x + ui_props.margin,
            #                      ui_props.bar_y - 25 - ui_props.margin - ui_props.bar_height, 15)
            # elif len(search_results) == 0:
            #     report = 'BlenderKit - No matching results found.'
            #     ui_bgl.draw_text(report, ui_props.bar_x + ui_props.margin,
            #                      ui_props.bar_y - 25 - ui_props.margin, 15)
            if ui_props.draw_tooltip:
                r = search_results[ui_props.active_index]
                draw_tooltip_with_author(r, ui_props.mouse_x, ui_props.mouse_y)
        s = bpy.context.scene
        props = utils.get_search_props()
        # if props.report != '' and props.is_searching or props.search_error:
        #     ui_bgl.draw_text(props.report, ui_props.bar_x,
        #                      ui_props.bar_y - 15 - ui_props.margin - ui_props.bar_height, 15)

    if ui_props.dragging and (
            ui_props.draw_drag_image or ui_props.draw_snapped_bounds) and ui_props.active_index > -1:
        iname = utils.previmg_name(ui_props.active_index)
        img = bpy.data.images.get(iname)
        linelength = 35
        ui_bgl.draw_image(ui_props.mouse_x + linelength, ui_props.mouse_y - linelength - ui_props.thumb_size,
                          ui_props.thumb_size, ui_props.thumb_size, img, 1)
        ui_bgl.draw_line2d(ui_props.mouse_x, ui_props.mouse_y, ui_props.mouse_x + linelength,
                           ui_props.mouse_y - linelength, 2, white)


def draw_callback_3d(self, context):
    ''' Draw snapped bbox while dragging and in the future other blenderkit related stuff. '''
    if not utils.guard_from_crash():
        return

    ui = context.scene.blenderkitUI

    if ui.dragging and ui.asset_type == 'MODEL':
        if ui.draw_snapped_bounds:
            draw_bbox(ui.snapped_location, ui.snapped_rotation, ui.snapped_bbox_min, ui.snapped_bbox_max)


def deep_ray_cast(depsgraph, ray_origin, vec):
    # this allows to ignore some objects, like objects with bounding box draw style or particle objects
    object = None
    # while object is None or object.draw
    has_hit, snapped_location, snapped_normal, face_index, object, matrix = bpy.context.scene.ray_cast(
        depsgraph, ray_origin, vec)
    if not object:
        return False, Vector((0, 0, 0)), Vector((0, 0, 1)), None, None, None

    try_object = object
    while try_object and try_object.display_type == 'BOUNDS':
        ray_origin = snapped_location + vec.normalized() * 0.0003
        try_has_hit, try_snapped_location, try_snapped_normal, try_face_index, try_object, try_matrix = bpy.context.scene.ray_cast(
            depsgraph, ray_origin, vec)
        if try_has_hit:
            has_hit, snapped_location, snapped_normal, face_index, object, matrix = try_has_hit, try_snapped_location, try_snapped_normal, try_face_index, try_object, try_matrix

    return has_hit, snapped_location, snapped_normal, face_index, object, matrix


def mouse_raycast(context, mx, my):
    r = context.region
    rv3d = context.region_data
    coord = mx, my

    # get the ray from the viewport and mouse
    view_vector = view3d_utils.region_2d_to_vector_3d(r, rv3d, coord)
    ray_origin = view3d_utils.region_2d_to_origin_3d(r, rv3d, coord)
    ray_target = ray_origin + (view_vector * 1000000000)

    vec = ray_target - ray_origin

    has_hit, snapped_location, snapped_normal, face_index, object, matrix = deep_ray_cast(
        bpy.context.view_layer.depsgraph, ray_origin, vec)

    print(has_hit, snapped_location, snapped_normal, face_index, object, matrix)
    # rote = mathutils.Euler((0, 0, math.pi))
    randoffset = math.pi
    if has_hit:
        props = bpy.context.scene.blenderkit_models
        up = Vector((0, 0, 1))

        if props.perpendicular_snap:
            if snapped_normal.z > 1 - props.perpendicular_snap_threshold:
                snapped_normal = Vector((0, 0, 1))
            elif snapped_normal.z < -1 + props.perpendicular_snap_threshold:
                snapped_normal = Vector((0, 0, -1))
            elif abs(snapped_normal.z) < props.perpendicular_snap_threshold:
                snapped_normal.z = 0
                snapped_normal.normalize()

        snapped_rotation = snapped_normal.to_track_quat('Z', 'Y').to_euler()

        if props.randomize_rotation and snapped_normal.angle(up) < math.radians(10.0):
            randoffset = props.offset_rotation_amount + math.pi + (
                    random.random() - 0.5) * props.randomize_rotation_amount
        else:
            randoffset = props.offset_rotation_amount  # we don't rotate this way on walls and ceilings. + math.pi
        # snapped_rotation.z += math.pi + (random.random() - 0.5) * .2

    else:
        snapped_rotation = mathutils.Quaternion((0, 0, 0, 0)).to_euler()

    snapped_rotation.rotate_axis('Z', randoffset)

    return has_hit, snapped_location, snapped_normal, snapped_rotation, face_index, object, matrix


def floor_raycast(context, mx, my):
    r = context.region
    rv3d = context.region_data
    coord = mx, my

    # get the ray from the viewport and mouse
    view_vector = view3d_utils.region_2d_to_vector_3d(r, rv3d, coord)
    ray_origin = view3d_utils.region_2d_to_origin_3d(r, rv3d, coord)
    ray_target = ray_origin + (view_vector * 1000)

    # various intersection plane normals are needed for corner cases that might actually happen quite often - in front and side view.
    # default plane normal is scene floor.
    plane_normal = (0, 0, 1)
    if math.isclose(view_vector.x, 0, abs_tol=1e-4) and math.isclose(view_vector.z, 0, abs_tol=1e-4):
        plane_normal = (0, 1, 0)
    elif math.isclose(view_vector.z, 0, abs_tol=1e-4):
        plane_normal = (1, 0, 0)

    snapped_location = mathutils.geometry.intersect_line_plane(ray_origin, ray_target, (0, 0, 0), plane_normal,
                                                               False)
    if snapped_location != None:
        has_hit = True
        snapped_normal = Vector((0, 0, 1))
        face_index = None
        object = None
        matrix = None
        snapped_rotation = snapped_normal.to_track_quat('Z', 'Y').to_euler()
        props = bpy.context.scene.blenderkit_models
        if props.randomize_rotation:
            randoffset = props.offset_rotation_amount + math.pi + (
                    random.random() - 0.5) * props.randomize_rotation_amount
        else:
            randoffset = props.offset_rotation_amount + math.pi
        snapped_rotation.rotate_axis('Z', randoffset)

    return has_hit, snapped_location, snapped_normal, snapped_rotation, face_index, object, matrix


def is_rating_possible():
    ao = bpy.context.active_object
    ui = bpy.context.scene.blenderkitUI
    preferences = bpy.context.preferences.addons['blenderkit'].preferences
    # first test if user is logged in.
    if preferences.api_key == '':
        return False, False, None, None
    if bpy.context.scene.get('assets rated') is not None and ui.down_up == 'SEARCH':
        if bpy.context.mode in ('SCULPT', 'PAINT_TEXTURE'):