minor refactoring

[pmachines.git] / pmachines / app.py

import argparse
import simplepbr
#import gltf
from glob import glob
from importlib import import_module
from inspect import isclass
from sys import platform, argv, exit
from logging import info, debug
from os.path import exists
from os import makedirs
from panda3d.core import Filename, load_prc_file_data, AntialiasAttrib, \
    Texture, WindowProperties, LVector2i, TextNode
from panda3d.bullet import BulletWorld, BulletDebugNode
from direct.showbase.ShowBase import ShowBase
from direct.gui.OnscreenText import OnscreenText
from direct.fsm.FSM import FSM
from pmachines.audio.music import MusicMgr
from pmachines.items.background import Background
from pmachines.gui.menu import Menu
from pmachines.scene import Scene
from pmachines.scenes.scene_basketball import SceneBasketBall
from pmachines.scenes.scene_box import SceneBox
from pmachines.scenes.scene_domino_box_basketball import SceneDominoBoxBasketball
from pmachines.scenes.scene_domino_box import SceneDominoBox
from pmachines.scenes.scene_domino import SceneDomino
from pmachines.scenes.scene_teeter_domino_box_basketball import SceneTeeterDominoBoxBasketball
from pmachines.scenes.scene_teeter_tooter import SceneTeeterTooter
from pmachines.posmgr import PositionMgr
from ya2.utils.dictfile import DctFile
from ya2.p3d.p3d import LibP3d
from ya2.utils.lang import LangMgr
from ya2.utils.log import LogMgr
from ya2.utils.functional import FunctionalTest


class MainFsm(FSM):

    def __init__(self, pmachines):
        super().__init__('Main FSM')
        self._pmachines = pmachines

    def enterMenu(self):
        self._pmachines.on_menu_enter()

    def exitMenu(self):
        self._pmachines.on_menu_exit()

    def enterScene(self, cls):
        self._pmachines.on_scene_enter(cls)

    def exitScene(self):
        self._pmachines.on_scene_exit()


class PmachinesApp:

    scenes = [
        SceneDomino,
        SceneBox,
        SceneDominoBox,
        SceneBasketBall,
        SceneDominoBoxBasketball,
        SceneTeeterTooter,
        SceneTeeterDominoBoxBasketball]

    def __init__(self):
        info('platform: %s' % platform)
        info('exists main.py: %s' % exists('main.py'))
        self._args = args = self._parse_args()
        self._configure(args)
        self.base = ShowBase()
        self._pipeline = None
        self.updating = args.update
        self.version = args.version
        self.log_mgr = LogMgr.init_cls()()
        self._pos_mgr = PositionMgr()
        self._prepare_window(args)
        if args.update:
            return
        if args.functional_test:
            self._options['settings']['volume'] = 0
        self._music = MusicMgr(self._options['settings']['volume'])
        self.lang_mgr = LangMgr(self._options['settings']['language'],
                                'pmachines',
                                'assets/locale/')
        self._fsm = MainFsm(self)
        if args.screenshot:
            cls = [cls for cls in self.scenes if cls.__name__ == args.screenshot][0]
            scene = cls(BulletWorld(), None, True, False, lambda: None, self.scenes)
            scene.screenshot()
            scene.destroy()
            exit()
        elif self._options['development']['auto_start']:
            mod_name = 'pmachines.scenes.scene_' + self._options['development']['auto_start']
            for member in import_module(mod_name).__dict__.values():
                if isclass(member) and issubclass(member, Scene) and \
                        member != Scene:
                    cls = member
            self._fsm.demand('Scene', cls)
        else:
            self._fsm.demand('Menu')
        if args.functional_test or args.functional_ref:
            FunctionalTest(args.functional_ref, self._pos_mgr)

    def on_menu_enter(self):
        self._menu_bg = Background()
        self._menu = Menu(
            self._fsm, self.lang_mgr, self._options, self._music,
            self._pipeline, self.scenes, self._args.functional_test or self._args.functional_ref,
            self._pos_mgr)

    def on_home(self):
        self._fsm.demand('Menu')

    def on_menu_exit(self):
        self._menu_bg.destroy()
        self._menu.destroy()

    def on_scene_enter(self, cls):
        self._set_physics()
        self._scene = cls(
            self.world, self.on_home,
            self._options['development']['auto_close_instructions'],
            self._options['development']['debug_items'],
            self.reload,
            self.scenes,
            self._pos_mgr,
            self._args.functional_test or self._args.functional_ref)

    def on_scene_exit(self):
        self._unset_physics()
        self._scene.destroy()

    def reload(self, cls):
        self._fsm.demand('Scene', cls)

    def _configure(self, args):
        load_prc_file_data('', 'window-title pmachines')
        load_prc_file_data('', 'framebuffer-srgb true')
        load_prc_file_data('', 'sync-video true')
        if args.functional_test or args.functional_ref:
            load_prc_file_data('', 'win-size 1360 768')
            # otherwise it is not centered in exwm
        # load_prc_file_data('', 'threading-model Cull/Draw')
        # it freezes when you go to the next scene
        if args.screenshot:
            load_prc_file_data('', 'window-type offscreen')
            load_prc_file_data('', 'audio-library-name null')

    def _parse_args(self):
        parser = argparse.ArgumentParser()
        parser.add_argument('--update', action='store_true')
        parser.add_argument('--version', action='store_true')
        parser.add_argument('--optfile')
        parser.add_argument('--screenshot')
        parser.add_argument('--functional-test', action='store_true')
        parser.add_argument('--functional-ref', action='store_true')
        cmd_line = [arg for arg in iter(argv[1:]) if not arg.startswith('-psn_')]
        args = parser.parse_args(cmd_line)
        return args

    def _prepare_window(self, args):
        data_path = ''
        if (platform.startswith('win') or platform.startswith('linux')) and (
                not exists('main.py') or __file__.startswith('/app/bin/')):
            # it is the deployed version for windows
            data_path = str(Filename.get_user_appdata_directory()) + '/pmachines'
            home = '/home/flavio'  # we must force this for wine
            if data_path.startswith('/c/users/') and exists(home + '/.wine/'):
                data_path = home + '/.wine/drive_' + data_path[1:]
            info('creating dirs: %s' % data_path)
            makedirs(data_path, exist_ok=True)
        optfile = args.optfile if args.optfile else 'options.ini'
        info('data path: %s' % data_path)
        info('option file: %s' % optfile)
        info('fixed path: %s' % LibP3d.fixpath(data_path + '/' + optfile))
        default_opt = {
            'settings': {
                'volume': 1,
                'language': 'en',
                'fullscreen': 1,
                'resolution': '',
                'antialiasing': 1,
                'shadows': 1},
            'development': {
                'simplepbr': 1,
                'verbose_log': 0,
                'physics_debug': 0,
                'auto_start': 0,
                'auto_close_instructions': 0,
                'show_buffers': 0,
                'debug_items': 0,
                'mouse_coords': 0,
                'fps': 0}}
        opt_path = LibP3d.fixpath(data_path + '/' + optfile) if data_path else optfile
        opt_exists = exists(opt_path)
        self._options = DctFile(
            LibP3d.fixpath(data_path + '/' + optfile) if data_path else optfile,
            default_opt)
        if not opt_exists:
            self._options.store()
        res = self._options['settings']['resolution']
        if res:
            res = LVector2i(*[int(_res) for _res in res.split('x')])
        else:
            resolutions = []
            if not self.version:
                d_i = base.pipe.get_display_information()
                def _res(idx):
                    return d_i.get_display_mode_width(idx), \
                        d_i.get_display_mode_height(idx)
                resolutions = [
                    _res(idx) for idx in range(d_i.get_total_display_modes())]
            res = sorted(resolutions)[-1]
        fullscreen = self._options['settings']['fullscreen']
        props = WindowProperties()
        if args.functional_test or args.functional_ref:
            fullscreen = False
        else:
            props.set_size(res)
        props.set_fullscreen(fullscreen)
        props.set_icon_filename('assets/images/icon/pmachines.ico')
        if not args.screenshot and not self.version:
            base.win.request_properties(props)
        #gltf.patch_loader(base.loader)
        if self._options['development']['simplepbr'] and not self.version:
            self._pipeline = simplepbr.init(
                use_normal_maps=True,
                use_emission_maps=False,
                use_occlusion_maps=True,
                msaa_samples=4 if self._options['settings']['antialiasing'] else 1,
                enable_shadows=int(self._options['settings']['shadows']))
            debug(f'msaa: {self._pipeline.msaa_samples}')
            debug(f'shadows: {self._pipeline.enable_shadows}')
        render.setAntialias(AntialiasAttrib.MAuto)
        self.base.set_background_color(0, 0, 0, 1)
        self.base.disable_mouse()
        if self._options['development']['show_buffers']:
            base.bufferViewer.toggleEnable()
        if self._options['development']['fps']:
            base.set_frame_rate_meter(True)
        #self.base.accept('window-event', self._on_win_evt)
        self.base.accept('aspectRatioChanged', self._on_aspect_ratio_changed)
        if self._options['development']['mouse_coords']:
            coords_txt = OnscreenText(
                '', parent=base.a2dTopRight, scale=0.04,
                pos=(-.03, -.06), fg=(.9, .9, .9, 1), align=TextNode.A_right)
            def update_coords(task):
                txt = '%s %s' % (int(base.win.get_pointer(0).x),
                                 int(base.win.get_pointer(0).y))
                coords_txt['text'] = txt
                return task.cont
            taskMgr.add(update_coords, 'update_coords')

    def _set_physics(self):
        if self._options['development']['physics_debug']:
            debug_node = BulletDebugNode('Debug')
            debug_node.show_wireframe(True)
            debug_node.show_constraints(True)
            debug_node.show_bounding_boxes(True)
            debug_node.show_normals(True)
            self._debug_np = render.attach_new_node(debug_node)
            self._debug_np.show()
        self.world = BulletWorld()
        self.world.set_gravity((0, 0, -9.81))
        if self._options['development']['physics_debug']:
            self.world.set_debug_node(self._debug_np.node())
        def update(task):
            dt = globalClock.get_dt()
            self.world.do_physics(dt, 10, 1/180)
            return task.cont
        self._phys_tsk = taskMgr.add(update, 'update')

    def _unset_physics(self):
        if self._options['development']['physics_debug']:
            self._debug_np.remove_node()
        self.world = None
        taskMgr.remove(self._phys_tsk)

    def _on_aspect_ratio_changed(self):
        if self._fsm.state == 'Scene':
            self._scene.on_aspect_ratio_changed()