[gcompris/gcomprixogoo] New hydroelectric activity. Learn how an hydoelectric dam works.
- From: Bruno Coudoin <bcoudoin src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gcompris/gcomprixogoo] New hydroelectric activity. Learn how an hydoelectric dam works.
- Date: Mon, 20 Dec 2010 01:23:32 +0000 (UTC)
commit 4be57c9427eb647944dbc90c6ac6acd4138f5ab8
Author: Bruno Coudoin <bruno coudoin free fr>
Date: Mon Dec 20 02:22:04 2010 +0100
New hydroelectric activity. Learn how an hydoelectric dam works.
This is heavily based on the watercycle activity.
configure.ac | 3 +
po/POTFILES.in | 2 +
src/Makefile.am | 2 +-
src/hydroelectric-activity/.gitignore | 1 +
src/hydroelectric-activity/Makefile.am | 32 +
src/hydroelectric-activity/gcompris | 1 +
src/hydroelectric-activity/hydroelectric.py | 733 ++++++++++++++++++++
src/hydroelectric-activity/hydroelectric.svg | 438 ++++++++++++
src/hydroelectric-activity/hydroelectric.xml.in | 20 +
src/hydroelectric-activity/init_path.sh | 8 +
src/hydroelectric-activity/resources/Makefile.am | 1 +
.../resources/hydroelectric/Makefile.am | 5 +
.../resources/hydroelectric/hydroelectric.svgz | Bin 0 -> 78879 bytes
13 files changed, 1245 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index eefec8e..8ad5c32 100644
--- a/configure.ac
+++ b/configure.ac
@@ -730,6 +730,9 @@ src/hanoi_real-activity/resources/hanoi_real/Makefile
src/hexagon-activity/Makefile
src/hexagon-activity/resources/Makefile
src/hexagon-activity/resources/hexagon/Makefile
+src/hydroelectric-activity/Makefile
+src/hydroelectric-activity/resources/Makefile
+src/hydroelectric-activity/resources/hydroelectric/Makefile
src/imageid-activity/Makefile
src/imageid-activity/resources/Makefile
src/imageid-activity/resources/imageid/Makefile
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 8a0984a..cf19a50 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -439,3 +439,5 @@ src/wordsgame-activity/wordsgame.c
src/wordsgame-activity/wordsgame.xml.in
src/hangman-activity/hangman.xml.in
src/hangman-activity/hangman.py
+src/hydroelectric-activity/hydroelectric.xml.in
+src/hydroelectric-activity/hydroelectric.py
diff --git a/src/Makefile.am b/src/Makefile.am
index 51bec62..a63b84d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,6 @@
## Process this file with automake to produce Makefile.in
-SUBDIRS = hangman-activity \
+SUBDIRS = hydroelectric-activity hangman-activity \
goocanvas gcompris boards \
advanced_colors-activity \
algebra_by-activity \
diff --git a/src/hydroelectric-activity/.gitignore b/src/hydroelectric-activity/.gitignore
new file mode 100644
index 0000000..935172e
--- /dev/null
+++ b/src/hydroelectric-activity/.gitignore
@@ -0,0 +1 @@
+hydroelectric.xml
diff --git a/src/hydroelectric-activity/Makefile.am b/src/hydroelectric-activity/Makefile.am
new file mode 100644
index 0000000..9c5848e
--- /dev/null
+++ b/src/hydroelectric-activity/Makefile.am
@@ -0,0 +1,32 @@
+SUBDIRS = resources
+
+pythondir = $(PYTHON_PLUGIN_DIR)
+
+dist_python_DATA= hydroelectric.py
+
+
+
+xmldir = $(pkgdatadir)/@PACKAGE_DATA_DIR@
+
+xml_in_files = \
+ hydroelectric.xml.in
+
+
+xml_DATA = $(xml_in_files:.xml.in=.xml)
+
+# Do not use the INTLTOOL_XML_RULE, we don't need to embed the translations
+# in the file themselves. GCompris pick the translations from the po file at
+# runtime.
+#
+$(xml_DATA): %.xml: %.xml.in
+ sed -e "s/\(<\{1\}\/*\)_/\1/g" $< > $@
+
+# Use this directive and instead of the one above to embed the translations
+# in the xml files directly, this is needed for the tool gcompris2spip
+# INTLTOOL_XML_RULE@
+
+icondir = $(pkgdatadir)/@PACKAGE_DATA_DIR@
+icon_DATA = hydroelectric.svg
+
+EXTRA_DIST = $(icon_DATA) ${xml_in_files} init_path.sh
+CLEANFILES = $(xml_DATA)
diff --git a/src/hydroelectric-activity/gcompris b/src/hydroelectric-activity/gcompris
new file mode 120000
index 0000000..6a7dc8a
--- /dev/null
+++ b/src/hydroelectric-activity/gcompris
@@ -0,0 +1 @@
+../boards/python/gcompris
\ No newline at end of file
diff --git a/src/hydroelectric-activity/hydroelectric.py b/src/hydroelectric-activity/hydroelectric.py
new file mode 100644
index 0000000..97c21e9
--- /dev/null
+++ b/src/hydroelectric-activity/hydroelectric.py
@@ -0,0 +1,733 @@
+# gcompris - hydroelectric
+#
+# Copyright (C) 2010 Bruno Coudoin
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>.
+#
+import gobject
+import goocanvas
+import gcompris
+import gcompris.utils
+import gcompris.anim
+import gcompris.skin
+import gcompris.sound
+import gcompris.bonus
+import gtk
+import gtk.gdk
+
+from gcompris import gcompris_gettext as _
+
+class Gcompris_hydroelectric:
+ """The Hydroelectric activity"""
+
+
+ def __init__(self, gcomprisBoard):
+ self.gcomprisBoard = gcomprisBoard
+ self.boat_is_arrived = False
+
+ def start(self):
+ self.gcomprisBoard.level=1
+ self.gcomprisBoard.maxlevel=1
+ self.gcomprisBoard.sublevel=1
+ self.gcomprisBoard.number_of_sublevel=1
+
+ # Just a tick counter
+ self.tick = 0
+
+ # The basic duration factor for object animations
+ # Higher is longer animation (slower)
+ self.timerinc = 20
+ self.step_time = 100
+
+ # Used to display the bonus a single time
+ self.you_won = False
+
+ # Need to manage the timers to quit properly
+ self.waterlevel_timer = 0
+
+ gcompris.sound.play_ogg("sounds/Harbor1.wav", "sounds/Harbor3.wav")
+
+ # Create our rootitem. We put each canvas item in it so at the end we
+ # only have to kill it. The canvas deletes all the items it contains automaticaly.
+ self.rootitem = goocanvas.Group(parent = self.gcomprisBoard.canvas.get_root_item())
+
+ svghandle = gcompris.utils.load_svg("hydroelectric/hydroelectric.svgz")
+ goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#BACKGROUND",
+ pointer_events = goocanvas.EVENTS_NONE
+ )
+
+ # Take care, the items are stacked on each other in the order you add them.
+ # If you need, you can reorder them later with raise and lower functions.
+
+ # The River
+ self.riveritem = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#RIVERWATER",
+ pointer_events = goocanvas.EVENTS_NONE,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+
+ # The Sun
+ self.sunitem = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#SUN",
+ tooltip = "\n\n" + \
+ _("The sun heats the water and creates water vapor. "
+ "Water vapor combines into small water droplets which "
+ "becomes clouds.")
+ )
+ self.sunitem.connect("button_press_event", self.sun_item_event)
+ # This item is clickeable and it must be seen
+ gcompris.utils.item_focus_init(self.sunitem, None)
+ self.sun_on = 0
+ self.sunitem_orig_y1 = self.sunitem.get_bounds().y1
+ self.sunitem_target_y1 = 10
+ self.sun_connect_handler = 0
+
+ # The Snow
+ self.snowitem = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#SNOW",
+ pointer_events = goocanvas.EVENTS_NONE,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+
+ # The rain
+ self.rainitem = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#RAIN",
+ pointer_events = goocanvas.EVENTS_NONE,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+
+ # The cloud
+ self.clouditem = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#CLOUD",
+ visibility = goocanvas.ITEM_INVISIBLE,
+ tooltip = "\n\n" + \
+ _("As a cloud matures, the dense water droplets may combine "
+ "to produce larger droplets, which may combine to form "
+ "droplets large enough to fall as rain")
+ )
+ self.clouditem.props.visibility = goocanvas.ITEM_INVISIBLE
+ self.clouditem.connect("animation-finished", self.cloud_arrived)
+ self.cloud_on = False
+ self.cloud_is_arrived = False
+ self.clouditem_bounds = self.clouditem.get_bounds()
+ self.its_raining = False
+
+ # The vapor
+ self.vaporitem = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#VAPOR",
+ pointer_events = goocanvas.EVENTS_NONE,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+ self.vaporitem.connect("animation-finished", self.vapor_arrived)
+
+ # The reservoir level
+ self.reservoirlevel = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#RESERVOIR1",
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+
+ # The Dam
+ goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#DAM",
+ pointer_events = goocanvas.EVENTS_NONE,
+ )
+
+ # The TURBINE
+ self.turbineitem = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#TURBINE",
+ tooltip = "\n\n" + \
+ _("Flowing water is directed on to the blades of a turbine runner, "
+ "creating a force on the blades. In this way, energy is transferred "
+ "from the water flow to the turbine")
+ )
+ self.turbineitem.connect("button_press_event", self.turbine_item_event)
+ # This item is clickeable and it must be seen
+ gcompris.utils.item_focus_init(self.turbineitem, None)
+ self.turbine_on = False
+
+ # The Cable from turbine to transformer 1
+ self.turbine_cable_on = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#TURBINE_CABLE_ON",
+ pointer_events = goocanvas.EVENTS_NONE,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+
+ # The Cables from transformer 1 to transformer 2
+ self.cable1_cv1_to_cv2_on = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#CABLE1_CV1_TO_CV2_ON",
+ pointer_events = goocanvas.EVENTS_NONE,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+ self.cable2_cv1_to_cv2_on = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#CABLE2_CV1_TO_CV2_ON",
+ pointer_events = goocanvas.EVENTS_NONE,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+
+ # The Cable from transformer 2 to Town
+ self.cable_to_town_on = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#CABLE_TO_TOWN_ON",
+ pointer_events = goocanvas.EVENTS_NONE,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+ # The Cable from transformer 2 to Tux
+ self.cable_to_tux_on = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#CABLE_TO_TUX_ON",
+ pointer_events = goocanvas.EVENTS_NONE,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+
+ # TRANSFORMER1
+ self.transformer1item = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#TRANSFORMER1",
+ tooltip = "\n\n" + \
+ _("This is a step up transformer. Electricity is transmitted "
+ "at high voltages (110 kV or above) "
+ "to reduce the energy lost in long distance transmission.")
+ )
+ self.transformer1item.connect("button_press_event", self.transformer1_item_event)
+ # This item is clickeable and it must be seen
+ gcompris.utils.item_focus_init(self.transformer1item, None)
+ self.transformer1_on = 0
+
+ # TRANSFORMER2
+ self.transformer2item = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#TRANSFORMER2",
+ tooltip = "\n\n" + \
+ _("This is a step down transformer. Electricity is transformed "
+ "in low voltage, ready to be used by the customers.")
+ )
+ self.transformer2item.connect("button_press_event", self.transformer2_item_event)
+ # This item is clickeable and it must be seen
+ gcompris.utils.item_focus_init(self.transformer2item, None)
+ self.transformer2_on = 0
+
+ # The tuxboat
+ self.boatitem = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#BOAT"
+ )
+ self.boatitem.translate(-100, 0);
+ self.boatitem_parked = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#BOAT_PARKED",
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+
+ # Tux in his saloon
+ self.tuxsaloonitem = goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#SALOON",
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+
+ goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#FOREGROUND",
+ pointer_events = goocanvas.EVENTS_NONE
+ )
+
+ # The level of water in the reservoir
+ self.waterlevel_max = 5
+ self.waterlevel_min = 1
+ self.waterlevel = 0
+ self.waterlevel_timer = gobject.timeout_add(1000, self.update_waterlevel)
+
+ # We have 2 counters, the production one and the consumption
+ # The children have to make sure there is no more consumption
+ # than production.
+ self.prod_count = 0
+
+ x = 303
+ y = 224
+ tooltip =_("This is the meter for electricity produced by the turbine. "
+ "The electricity power is measured in Watt (W).")
+ goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#PROD_COUNT",
+ tooltip = "\n\n" + tooltip
+ )
+ self.prod_count_item = goocanvas.Text(
+ parent = self.rootitem,
+ x = x,
+ y = y,
+ font = "Sans 8",
+ text = str(self.prod_count) + "W",
+ tooltip = "\n\n" + tooltip
+ )
+
+ x = 590
+ y = 203
+ tooltip =_("This is the meter for electricity consumed by the users. "
+ "The electricity power is measured in Watt (W).")
+ goocanvas.Svg(
+ parent = self.rootitem,
+ svg_handle = svghandle,
+ svg_id = "#CONSO_COUNT",
+ tooltip = "\n\n" + tooltip
+ )
+ self.conso_count_item = goocanvas.Text(
+ parent = self.rootitem,
+ x = x,
+ y = y,
+ font = "Sans 8",
+ text = "0W",
+ tooltip = "\n\n" + tooltip
+ )
+
+ self.consumers = []
+ self.consumers.append( Consumer(self.rootitem, svghandle,
+ self.update_conso_count,
+ "#LIGHT_BUILDING_ON",
+ "#LIGHT_BUILDING_OFF",
+ "#BUILDING_LIGHTS_ON",
+ None, 800) )
+ self.consumers.append( Consumer(self.rootitem, svghandle,
+ self.update_conso_count,
+ "#LIGHT_HOUSE_ON",
+ "#LIGHT_HOUSE_OFF",
+ "#HOUSE_LIGHTS_ON",
+ None, 400) )
+ self.consumers.append( Consumer(self.rootitem, svghandle,
+ self.update_conso_count,
+ "#LIGHT_BUTTON_ON",
+ "#LIGHT_BUTTON_OFF",
+ "#TUX_ON",
+ "#TUX_OFF",
+ 100) )
+
+ # Some item ordering
+ self.rainitem.raise_(None)
+ self.clouditem.raise_(None)
+ self.vaporitem.raise_(None)
+
+ # Ready GO
+ target_x = 700
+ trip_x = int(target_x - self.boatitem.get_bounds().x1)
+ self.boatitem.connect("animation-finished", self.boat_arrived)
+ self.boatitem.animate(target_x,
+ 0,
+ 1,
+ 1,
+ True,
+ self.timerinc*trip_x,
+ self.step_time,
+ goocanvas.ANIMATE_FREEZE)
+
+ gcompris.bar_set(0)
+ gcompris.bar_location(5, -1, 0.6)
+ gcompris.bar_set_level(self.gcomprisBoard)
+
+
+ def end(self):
+ # Remove all the timer first
+ if self.waterlevel_timer :
+ gobject.source_remove(self.waterlevel_timer)
+
+ # Remove the root item removes all the others inside it
+ self.rootitem.remove()
+
+
+ def ok(self):
+ pass
+
+
+ def repeat(self):
+ pass
+
+
+ def config(self):
+ pass
+
+ def key_press(self, keyval, commit_str, preedit_str):
+ return False
+
+ # This is called each second to update the reservoir water level
+ def update_waterlevel(self):
+ old_waterlevel = self.waterlevel
+ self.tick += 1
+
+ if self.its_raining and self.waterlevel < self.waterlevel_max :
+ self.waterlevel += 1
+
+ if not self.cloud_on \
+ and self.waterlevel == self.waterlevel_max \
+ and self.tick % 200 == 0:
+ # Simulate a miss of water
+ self.waterlevel -= 1
+ self.set_turbine_state(False)
+
+ # Redisplay the level of water if needed
+ if old_waterlevel != self.waterlevel :
+ # Represent the water level
+ self.reservoirlevel.set_properties(
+ svg_id = "#RESERVOIR%d" %self.waterlevel,
+ visibility = goocanvas.ITEM_VISIBLE)
+
+ if self.waterlevel == self.waterlevel_max \
+ and self.tick % 20 == 0:
+ self.cloud_reset()
+
+ self.waterlevel_timer = gobject.timeout_add(1000, self.update_waterlevel)
+
+ def boat_arrived(self, item, status):
+ # park the boat, change the boat to remove tux
+ self.boat_is_arrived = True
+ self.boatitem_parked.props.visibility = goocanvas.ITEM_VISIBLE
+ self.boatitem.props.visibility = goocanvas.ITEM_INVISIBLE
+ gcompris.sound.play_ogg("sounds/Harbor3.wav")
+
+ # Now display tux in the saloon
+ self.tuxsaloonitem.props.visibility = goocanvas.ITEM_VISIBLE
+
+ # Display all consumers
+ map(lambda s: s.off(), self.consumers)
+
+ def sun_down(self):
+ # Move the sun down
+ trip_y = self.sunitem_orig_y1 - self.sunitem_target_y1
+ if self.sun_connect_handler:
+ self.sunitem.disconnect(self.sun_connect_handler)
+ self.sun_connect_handler = self.sunitem.connect("animation-finished",
+ self.sun_down_arrived)
+ self.sunitem.animate(0,
+ 0,
+ 1,
+ 1,
+ True,
+ int(self.timerinc*abs(trip_y)),
+ self.step_time,
+ goocanvas.ANIMATE_FREEZE)
+ return False
+
+ def sun_up_arrived(self, item, status):
+ # Start the vapor
+ self.init_vapor()
+
+ def sun_down_arrived(self, item, status):
+ gcompris.utils.item_focus_init(self.sunitem, None)
+ # Stop the sun
+ self.sun_on = 0
+
+ def cloud_reset(self):
+ if (not self.cloud_is_arrived or self.waterlevel != self.waterlevel_max):
+ return
+
+ self.clouditem.translate(self.clouditem_bounds.x1 - self.clouditem.get_bounds().x1,
+ 0)
+ self.clouditem.props.visibility = goocanvas.ITEM_INVISIBLE
+ self.rainitem.props.visibility = goocanvas.ITEM_INVISIBLE
+ self.snowitem.props.visibility = goocanvas.ITEM_INVISIBLE
+ self.cloud_is_arrived = False
+ self.cloud_on = False
+ self.its_raining = False
+
+ def cloud_arrived(self, item, status):
+ self.sun_down()
+ self.clouditem.connect("button_press_event", self.cloud_item_event)
+ gcompris.utils.item_focus_init(self.clouditem, None)
+ self.cloud_is_arrived = True
+
+ def move_cloud(self):
+ if (self.cloud_on):
+ return
+ self.cloud_on = True
+ self.clouditem.props.visibility = goocanvas.ITEM_VISIBLE
+ trip_x = 270
+ self.clouditem.animate(trip_x,
+ 0,
+ 1,
+ 1,
+ True,
+ self.timerinc*trip_x,
+ self.step_time,
+ goocanvas.ANIMATE_FREEZE)
+
+ def vapor_arrived(self, item, state):
+ self.vapor_on = 0
+ self.vaporitem.props.visibility = goocanvas.ITEM_INVISIBLE
+ # Start the cloud
+ self.move_cloud()
+
+ def init_vapor(self):
+ self.vapor_on = 1
+ self.vaporitem.props.visibility = goocanvas.ITEM_VISIBLE
+ trip_y = 80
+ self.vaporitem.animate(0,
+ trip_y * -1,
+ 1,
+ 1,
+ True,
+ self.timerinc*trip_y,
+ self.step_time,
+ goocanvas.ANIMATE_RESET)
+
+
+
+ def pause(self, pause):
+ pass
+
+ def set_level(self, level):
+ pass
+
+ def sun_item_event(self, widget, target, event=None):
+ if event.type == gtk.gdk.BUTTON_PRESS:
+ if event.button == 1:
+ if not self.sun_on :
+ gcompris.utils.item_focus_remove(self.sunitem, None)
+ gcompris.sound.play_ogg("sounds/bleep.wav")
+ trip_y = self.sunitem_target_y1 - self.sunitem_orig_y1
+ if self.sun_connect_handler:
+ self.sunitem.disconnect(self.sun_connect_handler)
+ self.sun_connect_handler = self.sunitem.connect("animation-finished",
+ self.sun_up_arrived)
+ self.sunitem.animate(0,
+ trip_y,
+ 1,
+ 1,
+ True,
+ int(self.timerinc*abs(trip_y)),
+ self.step_time,
+ goocanvas.ANIMATE_FREEZE)
+
+ self.sun_on = 1
+ return True
+ return False
+
+ def cloud_item_event(self, widget, target, event=None):
+ gcompris.sound.play_ogg("sounds/Water5.wav")
+ self.rainitem.props.visibility = goocanvas.ITEM_VISIBLE
+ self.snowitem.props.visibility = goocanvas.ITEM_VISIBLE
+ self.riveritem.props.visibility = goocanvas.ITEM_VISIBLE
+ self.its_raining = True
+ self.clouditem.disconnect_by_func(self.cloud_item_event)
+ gcompris.utils.item_focus_remove(self.clouditem, None)
+ return True
+
+ def turbine_item_event(self, widget, target, event=None):
+ if self.turbine_on:
+ self.set_turbine_state(False)
+ else:
+ self.set_turbine_state(True)
+ return True
+
+ def set_turbine_state(self, state):
+ if state and self.waterlevel == self.waterlevel_max \
+ and not self.turbine_on:
+ gcompris.sound.play_ogg("sounds/bubble.wav")
+ self.turbine_on = True
+ self.add_prod_count(1000)
+ self.turbine_cable_on.props.visibility = goocanvas.ITEM_VISIBLE
+ elif self.turbine_on:
+ self.turbine_on = False
+ self.turbine_cable_on.props.visibility = goocanvas.ITEM_INVISIBLE
+ self.set_transformer1_state(False)
+ self.add_prod_count(-1000)
+
+ def add_prod_count(self, value):
+ self.prod_count += value
+ self.prod_count_item.set_properties(text = str(self.prod_count) + "W")
+
+ def update_conso_count(self):
+ conso_count = 0
+ if self.transformer2_on:
+ conso_count = reduce(lambda x, y: x + y,
+ map(lambda x: x.consumption, self.consumers) )
+
+ self.conso_count_item.set_properties(text = str(conso_count) + "W")
+
+ # Simulate a miss of power
+ if conso_count > self.prod_count:
+ self.set_transformer2_state(False)
+ gcompris.utils.dialog( \
+ _("It is not possible to consume more electricity "
+ "than what is produced. This is a key limitation in the "
+ "distribution of electricity, with minor exceptions, "
+ "electrical energy cannot be stored, and therefore it "
+ "must be generated as it is needed. A sophisticated "
+ "system of control is therefore required to ensure electric "
+ "generation very closely matches the demand. If supply and demand "
+ "are not in balance, generation plants and transmission equipment "
+ "can shut down which, in the worst cases, can lead to a major "
+ "regional blackout."), None)
+
+ def transformer1_item_event(self, widget, target, event=None):
+ if self.transformer1_on:
+ self.set_transformer1_state(False)
+ else:
+ self.set_transformer1_state(True)
+ return True
+
+ def set_transformer1_state(self, state):
+ if state and self.turbine_on:
+ gcompris.sound.play_ogg("sounds/bubble.wav")
+ self.transformer1_on = True
+ self.cable1_cv1_to_cv2_on.props.visibility = goocanvas.ITEM_VISIBLE
+ self.cable2_cv1_to_cv2_on.props.visibility = goocanvas.ITEM_VISIBLE
+ else:
+ self.transformer1_on = False
+ self.cable1_cv1_to_cv2_on.props.visibility = goocanvas.ITEM_INVISIBLE
+ self.cable2_cv1_to_cv2_on.props.visibility = goocanvas.ITEM_INVISIBLE
+ self.set_transformer2_state(False)
+
+ def transformer2_item_event(self, widget, target, event=None):
+ if self.transformer2_on:
+ self.set_transformer2_state(False)
+ else:
+ self.set_transformer2_state(True)
+ return True
+
+ def set_transformer2_state(self, state):
+ if state and self.transformer1_on:
+ gcompris.sound.play_ogg("sounds/bubble.wav")
+ self.transformer2_on = True
+ self.cable_to_town_on.props.visibility = goocanvas.ITEM_VISIBLE
+ self.cable_to_tux_on.props.visibility = goocanvas.ITEM_VISIBLE
+ map(lambda s: s.power_on(), self.consumers)
+ else:
+ self.transformer2_on = False
+ self.cable_to_town_on.props.visibility = goocanvas.ITEM_INVISIBLE
+ self.cable_to_tux_on.props.visibility = goocanvas.ITEM_INVISIBLE
+ map(lambda s: s.power_off(), self.consumers)
+
+ self.update_conso_count()
+
+#
+class Consumer:
+ # Pass the SVG IDs of the stuff to act on
+ def __init__(self, rootitem, svghandle,
+ update_conso_count,
+ switch_on, switch_off,
+ target_on, target_off, power):
+ self.power_count = power
+ self.consumption = 0
+ self.update_conso_count = update_conso_count
+ self.switch_on = goocanvas.Svg(
+ parent = rootitem,
+ svg_handle = svghandle,
+ svg_id = switch_on,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+ self.switch_on.connect("button_press_event",
+ self.lightbutton_item_event_on)
+ gcompris.utils.item_focus_init(self.switch_on, None)
+ self.switch_off = goocanvas.Svg(
+ parent = rootitem,
+ svg_handle = svghandle,
+ svg_id = switch_off,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+ self.switch_off.connect("button_press_event",
+ self.lightbutton_item_event_off)
+ gcompris.utils.item_focus_init(self.switch_off, None)
+ self.target_on = goocanvas.Svg(
+ parent = rootitem,
+ svg_handle = svghandle,
+ svg_id = target_on,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+ if target_off:
+ self.target_off = goocanvas.Svg(
+ parent = rootitem,
+ svg_handle = svghandle,
+ svg_id = target_off,
+ visibility = goocanvas.ITEM_INVISIBLE
+ )
+ else:
+ self.target_off = None
+ # Is there power comming in
+ self.power = False
+ # Is the light is switched on
+ self.is_on = False
+
+ def update_light(self):
+ if self.power and self.is_on:
+ self.target_on.props.visibility = goocanvas.ITEM_VISIBLE
+ if self.target_off:
+ self.target_off.props.visibility = goocanvas.ITEM_INVISIBLE
+ self.consumption = self.power_count
+ else:
+ if self.target_off:
+ self.target_off.props.visibility = goocanvas.ITEM_VISIBLE
+ self.target_on.props.visibility = goocanvas.ITEM_INVISIBLE
+ self.consumption = 0
+ self.update_conso_count()
+
+ def on(self):
+ self.switch_on.props.visibility = goocanvas.ITEM_VISIBLE
+ self.switch_off.props.visibility = goocanvas.ITEM_INVISIBLE
+ self.is_on = True
+ self.update_light()
+
+ def off(self):
+ self.switch_off.props.visibility = goocanvas.ITEM_VISIBLE
+ self.switch_on.props.visibility = goocanvas.ITEM_INVISIBLE
+ self.switch_off.raise_(None)
+ self.switch_on.raise_(None)
+ self.is_on = False
+ self.update_light()
+
+ def lightbutton_item_event_on(self, widget, target, event):
+ self.off()
+
+ def lightbutton_item_event_off(self, widget, target, event):
+ self.on()
+
+ def power_off(self):
+ self.power = False
+ self.update_light()
+
+ def power_on(self):
+ self.power = True
+ self.update_light()
diff --git a/src/hydroelectric-activity/hydroelectric.svg b/src/hydroelectric-activity/hydroelectric.svg
new file mode 100644
index 0000000..9479fc7
--- /dev/null
+++ b/src/hydroelectric-activity/hydroelectric.svg
@@ -0,0 +1,438 @@
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diff --git a/src/hydroelectric-activity/hydroelectric.xml.in b/src/hydroelectric-activity/hydroelectric.xml.in
new file mode 100644
index 0000000..ad03149
--- /dev/null
+++ b/src/hydroelectric-activity/hydroelectric.xml.in
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<GCompris>
+ <Board
+ name="hydroelectric"
+ type="python:hydroelectric"
+ section="/experience"
+ icon="hydroelectric.svg"
+ difficulty="3"
+ author="Bruno Coudoin (bruno coudoin gcompris net)"
+ boarddir=""
+ demo="1">
+ <_title>Learn about an hydroelectric dam</_title>
+ <_description>Tux has come back from a long fishing party on his boat. Bring the electrical system back up so he can have light in his home.</_description>
+ <_prerequisite></_prerequisite>
+ <_goal>Learn about an hydroelectric dam</_goal>
+ <_manual>Click on different active elements : sun, cloud, dam, transformer, in order to reactivate the entire electrical system. When the system is back up and Tux is in his home, push the light button for him.</_manual>
+ <_credit>Drawing by Stephane Cabaraux.</_credit>
+ </Board>
+ <Data directory=""/>
+</GCompris>
diff --git a/src/hydroelectric-activity/init_path.sh b/src/hydroelectric-activity/init_path.sh
new file mode 100755
index 0000000..db9415f
--- /dev/null
+++ b/src/hydroelectric-activity/init_path.sh
@@ -0,0 +1,8 @@
+# Set the different path for this activity
+# This is sourced by runit.sh
+path=$1
+activity=hydroelectric
+plugindir=$path/../boards/.libs
+pythonplugindir=$path
+resourcedir=$path/resources
+section="/experience"
diff --git a/src/hydroelectric-activity/resources/Makefile.am b/src/hydroelectric-activity/resources/Makefile.am
new file mode 100644
index 0000000..856f533
--- /dev/null
+++ b/src/hydroelectric-activity/resources/Makefile.am
@@ -0,0 +1 @@
+SUBDIRS = hydroelectric
\ No newline at end of file
diff --git a/src/hydroelectric-activity/resources/hydroelectric/Makefile.am b/src/hydroelectric-activity/resources/hydroelectric/Makefile.am
new file mode 100644
index 0000000..5ac0c2e
--- /dev/null
+++ b/src/hydroelectric-activity/resources/hydroelectric/Makefile.am
@@ -0,0 +1,5 @@
+imgdir = $(pkgdatadir)/@PACKAGE_DATA_DIR@/hydroelectric
+img_DATA = \
+ hydroelectric.svgz
+
+EXTRA_DIST = $(img_DATA)
diff --git a/src/hydroelectric-activity/resources/hydroelectric/hydroelectric.svgz b/src/hydroelectric-activity/resources/hydroelectric/hydroelectric.svgz
new file mode 100644
index 0000000..6c8f94e
Binary files /dev/null and b/src/hydroelectric-activity/resources/hydroelectric/hydroelectric.svgz differ
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