ZTc@ sddlmZddlZddlZddlZddlZddlZddlZddlZyddl Z e Z Wn$e k rej jeZ nXddlmZddlmZddlmZddlmZddlmZdZd efd YZdS( i(tdivisionN(tchain(t _LayerTree(t defaultdict(tref(tWeakMethodBoundcC sixb|D]Z}||krtSt|trB||jkrBtSt|tr||krtSqWtS(N(tTruet isinstancetdicttvaluesttupletFalse(tobjtcollecttitem((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _has_values  !tScenecB sNeZdZd4d4d4dZdZdZdZd4dZdZ dZ dZ d4d Z d Z d Zd Zd ZdZdZdZdZdZdZdZdZdZdZdZdZdZdZeeZ eeZ!eeZ"eeZ#eeZ$eeZ%dZ&dZ'ee'e&Z(dZ)dZ*d Z+d!Z,d"Z-d#Z.d$Z/d%Z0d&Z1d'Z2d(Z3d)Z4d*Z5d+Z6d,Z7ee7e6Z8d-Z9d.Z:d/Z;d0Z<d1Z=d2Z>d3Z?RS(5s Creates a new Scene. When a scene is not active, no events will be processed for it. Scenes are the basic units that are executed by spyral for your game, and should be subclassed and filled in with code which is relevant to your game. The :class:`Director `, is a manager for Scenes, which maintains a stacks and actually executes the code. :param size: The `size` of the scene internally (or "virtually"). This is the coordinate space that you place Sprites in, but it does not have to match up 1:1 to the window (which could be scaled). :type size: width, height :param int max_ups: Maximum updates to process per second. By default, `max_ups` is pulled from the director. :param int max_fps: Maximum frames to draw per second. By default, `max_fps` is pulled from the director. cC stj}tjd|d|p'tjjd|p9tjj|_t|j_t d|_ t |_ tj j|_t|_g|_g|_i|_i|_g|_t d|_i|_tj|jdd |t?||_@g|_AdS(Nt time_sourcetmax_fpstmax_upscS sgS(N((((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt:scS siS(N((((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyRDst_get_spyral_pathg?iisdirector.scene.entertscenesdirector.updatetdeltasspyral.internal.view.changed(iii(ii(sdelta(Bttimetspyralt GameClocktdirectort_max_fpst_max_upstclockRtuse_waitRt _handlerstsett _namespacesteventtLiveEventHandlert _event_sourceR t_handling_eventst_eventst_pendingt _greenletst_style_symbolst_style_classest_style_propertiest_style_functionsRtNonet_sizetVec2Dt_scaletpygametdisplayt get_surfacet_surfacet _set_sizetget_sizetimaget_new_spyral_surfacet _backgroundtfillt_background_versiontblitt_blitst _dirty_rectst_clear_this_framet_clear_next_framet _soft_cleart _static_blitst_invalidating_viewst_collision_boxestget_rectt_rectt_layerst _child_viewsRt _layer_treet_spritestregistertredrawt_handle_eventst_GREENLETS_AVAILABLEt _run_actorst_invalidate_viewst_wreft_scenet_views(tselftsizeRRRt display_size((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt__init__2sh                          cC s||j|` to this scene. :param actor: The name of the actor object. :type actor: :class:`Actor ` :param greenlet greenlet: The greenlet context for this actor. N(R)(RUtactortgreenlet((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_register_actorqs cC s[xT|jjD]C\}}|j|\}}x|rR|j|\}}q4WqWtS(ss Helper method for running the actors. :param float delta: The amount of time progressed. (R)t iteritemstswitchR (RURt_RYRZtrerun((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_run_actors_greenlet|s  cC sgtj|j}xNtrb|j|t}|tkr?qn|tkrOPn|j|tqWdS(s Main loop for running actors, switching between their different contexts. :param float delta: The amount of time progressed. N(RZR`RR]R (RURtgtd((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyRPs   cC s<|jr"|jj||fn|jj||fdS(s Internal method to add a new `event` to be handled by this scene. :param str type: The name of the event to queue :param event: Metadata about this event. :type event: :class:`Event ` N(R&R(tappendR'(RUttypeR#((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _queue_events cC s|jdr|d }n|jj|x1|D])}|j|j|||||fq3W|j|jdtjddS(s Convenience method for registering a new event; other variations exist to keep the signature convenient and easy. s.*itkeyiN(tendswithR"taddR Rctsorttoperatort itemgetter(RUt namespacethandlerstargstkwargstprioritytdynamicthandler((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _reg_internals  cC s)g|jD]}|j|r |^q S(sv Internal method for returning all the registered namespaces that are in the given namespace. (R"t startswith(RURltn((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_get_namespacessc ssdfd}|tkru|} |}x<| jdD](} t|| d}|dkrFdSqFWn|tjkr|dkr|dkrg}i}n|dkr|dkry |j} Wntk r} |} nXytj | } Wn)t k r*} t dt |nX| j }| j pCt}t|dkrxd|dkrx|jdnt|t|}|dkrg|t|}ngt||D]\}}|||^q}i}ne|dkr.g}tg|D]}|||f^q }n%g|D]}||^q5}i}|dk ro|||ndS(sG Internal method to dispatch events to their handlers. t__spyral_itertools_fillvalue__c s\|dkrSt|r,t|S|kr<|Std|tfdS(NR#s<Handler expects an argument named %s, %s does not have that.(thasattrtgetattrt TypeErrortstr(targtdefault(R#tfillvalRd(sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _get_arg_vals   t.NsPUnfortunate Python Problem! %s isn't supported by Python's inspect module! Oops.iRU(RtsplitRyR.tsystexittfunctAttributeErrortinspectt getargspect ExceptionR{RntdefaultsR tlentpoptlisttzipR(RUR#RdRrRnRoRpRqRthtpiecetfuncttet h_argspecth_argst h_defaultsRbR|R}((R#R~RdsO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_send_event_to_handlersN   '    " .  . c sVtjfdj|D}x'|D]}j|||r/Pq/q/WdS(sZ For a given event, send the event information to all registered handlers c3 s|]}j|VqdS(N(R (t.0Rl(RU(sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pys sN(Rt from_iterableRvR(RURdR#Rmt handler_info((RUsO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _handle_events  cC szt|_t}xd|s-t|jdkrut}x'|jD]\}}|j||q=W|j|_g|_qWdS(s= Run through all the events and handle them. iN(RR&RR(R R'R(RUtdoRdR#((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyRNs  cC sx|jjD]p\}}g|D]6}t|dt sS|dj|k r#|^q#|j|<|j|s|j|=qqWdS(Ni(R titemsRRtweak_object_ref(RUtspritetnameRmR((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_unregister_sprite_eventss  ) cC s|jdr|d }ng|j|D]r}t|dt rT||dkst|dtr*|dj|jk s|dj|jk r*|^q*|j|<|j|s|j|=ndS(sL Unregisters a registered handler for that namespace. Dynamic handler strings are supported as well. For more information, see `Event Namespaces`_. :param str event_namespace: An event namespace :param handler: The handler to unregister. :type handler: a function or string. s.*iiN(RgR RRRtim_funcRtim_self(RUtevent_namespaceRrR((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _unregisters  $, cC sf|jdr|d }ng|jD]}|j|r&|^q&}x|D]}|j|=qNWdS(s Clears all handlers from namespaces that are at least as specific as the provided `namespace`. For more information, see `Event Namespaces`_. :param str namespace: The complete namespace. s.*iN(RgR"RtR (RURlRutns((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_clear_namespace+s  + cC s|jjdS(s Completely clear all registered events for this scene. This is a very dangerous function, and should almost never be used. N(R tclear(RU((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_clear_all_events8scC s|jS(s  The event source can be used to control event playback. Although normally events are given through the operating system, you can enforce events being played from a file; there is also a mechanism for recording events to a file. (R%(RU((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_get_event_source?scC s ||_dS(N(R%(RUtsource((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_set_event_sourceHscC sd|kr+|jd}|j|nd|kr|jd}t|ttfrtjd|j}|j|ntj|}|j |nd|kr|jd}|j |nt |dkrtj j ||jndS(s Applies the *properties* to this scene. This is called when a style is applied. :param properties: a mapping of property names (strings) to values. :type properties: dict RVt backgroundtlayersiN(RR6RR RRtImageRVR;t_set_backgroundt _set_layersRt exceptionstunused_style_warningtiterkeys(RUt propertiesRVRtbgR((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt __stylize__Ms   cC s3tjjt|dj||j|dS(s- Loads the style file in *path* and applies it to this Scene and any Sprites and Views that it contains. Most properties are stylable. :param path: The location of the style file to load. Should have the extension ".spys". :type path: str trN(Rt_styletparsetopentreadt _apply_style(RUtpath((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt load_stylefs "cC st|ds%tjd|ni}xPt|jjd D]8}|j}||jkrfqBn|j|j|qBWt|drt |d}||jkr|j|j|qn|ikr|j |ndS(sq Applies any loaded styles from this scene to the object. :param object obj: Any object Rs'%r is not an objectwhich can be styled.it __style__N( RxRtNotStylableErrortreversedt __class__t__mro__t__name__R,tupdateRyR(RUR RtclsR((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyRrs    cC s||j|` of the width and height of the Scene's size. This is the coordinate space that you place Sprites in, but it does not have to match up 1:1 to the window (which could be scaled). This property can only be set once. sXYou should specify a size in the constructor or in a style file before other operations.N(R/R.RtSceneHasNoSizeException(RU((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _get_sizescC sC|jj}||_|d|d|d|df|_dS(Nii(R5R7R/R1(RURVtrsize((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyR6s cC s|jdS(s< The width of this scene. Read-only number. i(R(RU((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _get_widthscC s|jdS(s= The height of this scene. Read-only number. i(R(RU((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _get_heightscC stjd|jS(sx Returns a :class:`Rect ` representing the position (0, 0) and size of this Scene. i(ii(RtRectRV(RU((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _get_rectscC s |jS(s0 Returns this scene. Read-only. (RS(RU((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _get_scenescC s |jS(s0 Returns this scene. Read-only. (RS(RU((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _get_parentscC s||_|j|_|j}tj}|j|jkrQtjdn|j j}t j j |||_ |jj|j jdS(Ns,Background size must match the scene's size.(t_background_imaget_versionR<t_surfRt_get_executing_sceneR7RVtBackgroundSizeErrorR5R2t transformt smoothscaleR:R@RcRF(RUR8tsurfaceRRV((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyRs    cC s|jS(s The background of this scene. The given :class:`Image ` must be the same size as the Scene. A background will be handled intelligently by Spyral; it knows to only redraw portions of it rather than the whole thing, unlike a Sprite. (R(RU((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_get_backgroundscC sr|jj||j}xO||krm||jkrMt|j||j|=nx+|jjD]}|j|j|qNW|j|dS(sF Internal method to remove this sprite from the scene N(RKtremoveRERDtkeystdiscardR(RURtview((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_unregister_sprites cC sL||jkr|j|=n||jkr8|j|=n|jj|dS(sK Remove all references to the view from within this Scene. N(RDRERJt remove_view(RUR((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _kill_views   cC s.|j|j|j|jj|dS(s Apply any scaling associated with the Scene to the Blit, then finalize it. Note that Scene's don't apply cropping. N(t apply_scaleR1tfinalizeR>Rc(RUR=((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_blits cC s>|j|j|j||j|<|jj|jdS(s Identifies that this sprite will be statically blit from now, and applies scaling and finalization to the blit. N(RR1RRCR@Rctrect(RURfR=((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _static_blit!s  cC s8||jkr4x"|j|D]}|jqWndS(sO Expire any sprites that belong to the view being invalidated. N(RDt_expire_static(RURR((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyRQ+scC s7y)|jj|}|jj|jWnnXdS(s? Removes this sprite from the static blit list N(RCRR@RcR(RURftx((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_remove_static_blit3s cC sI|j}|j|jjkr1|j|jn|jj}xI|j|jD]7}|j |}|jj |}|j ||qQWt |j }t |j}|jt|j j}|jdtjd|j}|j} |j} g|_|j} d} tjjdk} x|D]}|j}| rL|jnd}| j| rx| j| rxq.n|jrWt}xg|D]_}|j|r|j |j|d|t }|j!||jj!|| d7} PqqW|rq.nx | D]L}|j|r|j |j|d|| j!|j| d7} PqqWq.| j|r|j |j|d|}| j!|q.| j|r.|jj | }|j"|j# |j$ }|jj |}|j |j|d|}| j!|q.q.Wtj%j&|j|j|j|_g|_g|_dS(s Internal method that is called by the :class:`Director ` at the end of every .render() call to do the actual drawing. RftlayeriiiN(ii('R5R<RRRR:RFR@RBtclipt subsurfaceR=RRCR>RR RiRjt attrgetterRAR2tversiontvernumRtflagstcontainst colliderecttstaticR RR.RRctmovetleftttopR3R(RUtscreenRtitbt static_blitst dynamic_blitstblitst clear_thist clear_nextt soft_cleart screen_rectt drawn_statictblit_flags_availableR=t blit_rectt blit_flagstskip_soft_clearRRty((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_draw=sn                  cC s |jjtj|jdS(s Force the entire visible window to be completely redrawn. This is particularly useful for Sugar, which loves to put artifacts over our window. N(R@RcR2RRG(RU((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyRMscC s|jj||S(sZ For the given view and layer, calculate its position in the depth order. (RJtget_layer_position(RURR((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_get_layer_positionscC s|jj||dS(sF Set the layer that the view is on within layer tree. N(RJtset_view_layer(RURR((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_set_view_layerscC s|jj||dS(s> Set the view's layers within the layer tree. N(RJtset_view_layers(RURR((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_set_view_layersscC s|jj|dS(s< Register the given view within this scene. N(RJtadd_view(RUR((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _add_viewscC sS|jgkr.|jj||||_n!|j|kr@ntjddS(s Potential caveat: If you change layers after blitting, previous blits may be wrong for a frame, static ones wrong until they expire s0You can only define the layers for a scene once.N(RHRJRRtLayersAlreadySetError(RUR((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyRs  cC s|jS(s A list of strings representing the layers that are available for this scene. The first layer is at the bottom, and the last is at the top. Note that the layers can only be set once. (RH(RU((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _get_layersscC sdS(s~ Add this child to the Scene; since only Views care about their children, this function does nothing. N((RUtentity((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _add_childscC sdS(s Remove this child to the Scene; since only Views care about their children, this function does nothing. N((RUR((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt _remove_childscC s|j|S(s Finalize the collision box. Don't apply scaling, because that's only for external rendering purposes. (R(RUtbox((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyt_warp_collision_boxs cC s||j|` or a :class:`View ` :param second: Another sprite or view :type second: :class:`Sprite ` or a :class:`View ` :returns: A ``bool`` (RER t collide_rect(RUtfirsttsecondt first_boxt second_box((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pytcollide_spritess   cC s-||jkrtS|j|}|j|S(s Returns whether the sprite is colliding with the point. :param sprite: A sprite :type sprite: :class:`Sprite ` :param point: A point :type point: :class:`Vec2D ` :returns: A ``bool`` (RER t collide_point(RURtpointt sprite_box((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyR!s  cC s-||jkrtS|j|}|j|S(s Returns whether the sprite is colliding with the rect. :param sprite: A sprite :type sprite: :class:`Sprite ` :param rect: A rect :type rect: :class:`Rect ` :returns: A ``bool`` (RER R(RURRR#((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyRs  N(@Rt __module__t__doc__R.RXR[R`RPReRsRvRRRNRRRRRRRRRRRR6RRRRRtpropertyRVtwidththeightRRRRRRRRRRRRQRR RMR RRRRRRRRRRR R!R(((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyR sx?    ;                       _            (t __future__RRR2RRjRRttypesRZRROt ImportErrorRtactors_not_available_warningR t itertoolsRt layertreeRt collectionsRtweakrefRRRt weakmethodRRtobjectR(((sO/home/icarito/Proyectos/peru-learns-english/Games/ug3/../../Lib/spyral/scene.pyts(