source: branches/code-cleanup-and-refactoring/game/scripts/gamesceneview.py @ 552

Revision 552, 4.8 KB checked in by beliar, 9 years ago (diff)

This concludes the cleanup and refactoring for now. I hope the changes will make it easier to add functionality to the game.

  • Property svn:eol-style set to native
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1#!/usr/bin/python
2
3#   This file is part of PARPG.
4
5#   PARPG is free software: you can redistribute it and/or modify
6#   it under the terms of the GNU General Public License as published by
7#   the Free Software Foundation, either version 3 of the License, or
8#   (at your option) any later version.
9
10#   PARPG is distributed in the hope that it will be useful,
11#   but WITHOUT ANY WARRANTY; without even the implied warranty of
12#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13#   GNU General Public License for more details.
14
15#   You should have received a copy of the GNU General Public License
16#   along with PARPG.  If not, see <http://www.gnu.org/licenses/>.
17
18from sounds import SoundEngine
19from viewbase import ViewBase
20
21class GameSceneView(ViewBase):
22    """GameSceneView is responsible for drawing the scene"""
23    def __init__(self, engine, model):
24        """Constructor for engine
25           @param engine: A fife.Engine instance
26           @type engine: fife.Engine
27           @param model: a script.GameModel instance
28           @type model: script.GameModel
29           """
30        super(GameSceneView, self).__init__(engine, model)
31
32        self.action_number = 1
33
34        # init the sound
35        self.sounds = SoundEngine(engine)
36
37        self.hud = None       
38
39        # The current highlighted object
40        self.highlight_obj = None
41     
42        # faded objects in top layer
43        self.faded_objects = set()
44
45    def displayObjectText(self, obj, text):
46        """Display on screen the text of the object over the object.
47           @type obj: fife.instance
48           @param obj: object to draw over
49           @type text: String
50           @param text: text to display over object
51           @return: None"""
52        obj.say(str(text), 1000)
53
54    def onWalk(self, click):
55        """Callback sample for the context menu."""
56        self.hud.hideContainer()
57        self.engine.getModel().game_state.PlayerCharacter.run(click)
58
59    def refreshTopLayerTransparencies(self):
60        """Fade or unfade TopLayer instances if the PlayerCharacter
61        is under them."""
62        # get the PlayerCharacter's screen coordinates
63        camera = self.model.active_map.cameras[self.model.active_map.my_cam_id]
64        point = self.model.game_state.PlayerCharacter.\
65                                        behaviour.agent.getLocation()
66        scr_coords = camera.toScreenCoordinates(point.getMapCoordinates())
67
68        # find all instances on TopLayer that fall on those coordinates
69        instances = camera.getMatchingInstances(scr_coords,
70                        self.model.active_map.top_layer)
71        instance_ids = [ instance.getId() for instance in instances ]
72        faded_objects = self.faded_objects
73
74        # fade instances
75        for instance_id in instance_ids:
76            if instance_id not in faded_objects:
77                faded_objects.add(instance_id)
78                self.model.active_map.top_layer.getInstance(instance_id).\
79                        get2dGfxVisual().setTransparency(128)
80
81        # unfade previously faded instances
82        for instance_id in faded_objects.copy():
83            if instance_id not in instance_ids:
84                faded_objects.remove(instance_id)
85                self.model.active_map.top_layer.getInstance(instance_id).\
86                        get2dGfxVisual().setTransparency(0)
87
88
89    def highlightFrontObject(self, mouse_coords):
90        """Highlights the object that is at the
91        current mouse coordinates"""       
92        if mouse_coords:
93            front_obj = self.model.getObjectAtCoords(mouse_coords)
94            if front_obj != None:
95                if self.highlight_obj == None \
96                            or front_obj.getId() != \
97                            self.highlight_obj.getId():
98                    if self.highlight_obj:
99                        self.displayObjectText(self.highlight_obj,"")
100                    self.model.active_map.outline_renderer.removeAllOutlines()
101                    self.highlight_obj = front_obj
102                    self.model.active_map.outline_renderer.addOutlined(
103                                                    self.highlight_obj, 
104                                                    0,
105                                                    137, 255, 2)
106                    # get the text
107                    item = self.model.objectActive(
108                                                    self.highlight_obj.getId())
109                    if item is not None:
110                        self.displayObjectText(self.highlight_obj, 
111                                                    item.name)
112            else:
113                if self.highlight_obj:
114                    self.displayObjectText(self.highlight_obj,"")
115                self.model.active_map.outline_renderer.removeAllOutlines()
116                self.highlight_obj = None 
117           
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