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This commit is contained in:
Mark Mine 2000-10-28 00:46:19 +00:00
parent 5d4f9e03df
commit f240602bf6
5 changed files with 116 additions and 28 deletions
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41
direct/src/directutil/DirectCameraControl.py
View File

@ -1,6 +1,7 @@
from PandaObject import *
CAM_MOVE_DURATION = 1.0
Y_AXIS = Vec3(0,1,0)
class DirectCameraControl(PandaObject):
def __init__(self, direct):
@ -34,7 +35,8 @@ class DirectCameraControl(PandaObject):
# If shift key is pressed, just perform horiz and vert pan:
self.spawnHPPan()
else:
# Otherwise, check for a hit point based on current mouse position
# Otherwise, check for a hit point based on
# current mouse position
# And then spawn task to determine mouse mode
numEntries = self.direct.iRay.pickGeom(
render,chan.mouseX,chan.mouseY)
@ -348,6 +350,43 @@ class DirectCameraControl(PandaObject):
0.0)
return Task.cont
def fitOnWidget(self):
# Fit the node on the screen
# stop any ongoing tasks
taskMgr.removeTasksNamed('manipulateCamera')
# How big is the node?
nodeScale = self.direct.widget.getScale(render)
maxScale = max(nodeScale[0],nodeScale[1],nodeScale[2])
maxDim = min(self.chan.nearWidth, self.chan.nearHeight)
# At what distance does the object fill 30% of the screen?
# Assuming radius of 1 on widget
camY = self.chan.near * (2.0 * maxScale)/(0.3 * maxDim)
# What is the vector through the center of the screen?
centerVec = Y_AXIS * camY
# Where is the node relative to the viewpoint
vWidget2Camera = self.direct.widget.getPos(self.camera)
# How far do you move the camera to be this distance from the node?
deltaMove = vWidget2Camera - centerVec
# Move a target there
self.relNodePath.setPos(self.camera, deltaMove)
parent = self.camera.getParent()
self.camera.wrtReparentTo(self.relNodePath)
fitTask = self.camera.lerpPos(Point3(0,0,0),
CAM_MOVE_DURATION,
blendType = 'easeInOut',
task = 'manipulateCamera')
# Upon death, reparent Cam to parent
fitTask.parent = parent
fitTask.uponDeath = self.reparentCam
def enableMouseFly(self):
self.enableMouseInteraction()
self.enableHotKeys()

5
direct/src/directutil/DirectSession.py
View File

@ -73,7 +73,10 @@ class DirectSession(PandaObject):
# Adjust widgets size
self.widget.setScale(dnp.getRadius())
# This is the additional scaling factor used to grow and
# shrink the widget
self.widget.setScalingFactor(1.0)
# Spawn task to have object handles follow the selected object
taskMgr.removeTasksNamed('followSelectedNodePath')
t = Task.Task(self.followSelectedNodePathTask)

4
direct/src/showbase/FSM.py
View File

@ -97,6 +97,8 @@ class FSM(DirectObject):
"""__exitCurrent(self)
Exit the current state"""
FSM.notify.info("exiting %s" % self.__currentState.getName())
messenger.send(self.getName() + '_' +
self.__currentState.getName() + '_exited')
self.__currentState.exit()
self.__currentState = None
@ -106,6 +108,8 @@ class FSM(DirectObject):
if (aState in self.__states):
self.__currentState = aState
aState.enter()
messenger.send(self.getName() + '_' +
aState.getName() + '_entered')
FSM.notify.info("entering %s" % aState.getName())
else:
FSM.notify.error("enter: no such state")

9
direct/src/showbase/State.py
View File

@ -16,6 +16,7 @@ class State(DirectObject):
self.setEnterFunc(enterFunc)
self.setExitFunc(exitFunc)
self.setTransitions(transitions)
self.setDefaultPosition([])
self.__FSMList = None
@ -53,6 +54,14 @@ class State(DirectObject):
"""setTransitions(self, string[])"""
self.__transitions = stateTransitions
def getDefaultPosition(self):
"""getDefaultPosition(self)"""
return(self.__defaultPosition)
def setDefaultPosition(self, defaultPosition):
"""setDefaultPosition(self, x, y)"""
self.__defaultPosition = defaultPosition
# support for HFSMs

85
direct/src/tkpanels/FSMInspector.py
View File

@ -1,3 +1,4 @@
from PandaObject import *
from Tkinter import *
from tkSimpleDialog import askstring
import Pmw
@ -6,23 +7,27 @@ import operator
DELTA = (5.0 / 360.) * 2.0 * math.pi
class FSMInspector(Pmw.MegaToplevel):
class FSMInspector(Pmw.MegaToplevel, PandaObject):
def __init__(self, parent = None, **kw):
# Initialize instance variables
self.states = []
self.stateInspectorDict = {}
#define the megawidget options
INITOPT = Pmw.INITOPT
optiondefs = (
('title', 'FSM Viewer', None),
('currentFSM', (), None),
('FSM', (), None),
('gridSize', '0.25i', self._setGridSize),
)
self.defineoptions(kw, optiondefs)
# Initialize the toplevel widget
Pmw.MegaToplevel.__init__(self, parent)
self.fsm = self['FSM']
# Create the components
oldInterior = Pmw.MegaToplevel.interior(self)
# The Menu Bar
@ -138,8 +143,8 @@ class FSMInspector(Pmw.MegaToplevel):
for key in self.stateInspectorDict.keys():
si = self.stateInspectorDict[key]
state = si.state
if state.transitionArray:
for name in state.transitionArray:
if state.getTransitions():
for name in state.getTransitions():
self.connectStates(si, self.getStateInspector(name))
def connectStates(self, fromState, toState):
@ -199,29 +204,39 @@ class FSMInspector(Pmw.MegaToplevel):
self._top = self._canvas.yview()[0]
def createStateInspectors(self):
fsm = self['currentFSM']
# Number of rows/cols needed to fit inspectors in a grid
dim = int(math.ceil(math.sqrt(len(fsm))))
fsm = self.fsm
self.states = fsm.getStates()
# Number of rows/cols needed to fit inspectors in a grid
dim = int(math.ceil(math.sqrt(len(self.states))))
# Separation between nodes
spacing = 2.5 * self._canvas.canvasx('0.375i')
count = 0
for state in self['currentFSM']:
for state in self.states:
si = self.addState(state)
if state.defaultPosition:
si.setPos(state.defaultPosition[0], state.defaultPosition[1])
if state.getDefaultPosition():
si.setPos(state.getDefaultPosition()[0],
state.getDefaultPosition()[1])
else:
row = int(math.floor(count / dim))
col = count % dim
si.setPos(col * spacing, row * spacing +
0.5 * (0, spacing)[col % 2])
# Add hooks
self.accept(fsm.getName() + '_' + si.getName() + '_entered',
si.enteredState)
self.accept(fsm.getName() + '_' + si.getName() + '_exited',
si.exitedState)
count = count + 1
self.drawConnections()
if fsm.getCurrentState():
self.enteredState(fsm.getCurrentState().getName())
def getStateInspector(self, name):
return self.stateInspectorDict.get(name, None)
def addState(self, state):
si = self.stateInspectorDict[state.name] = StateInspector(self, state)
si = self.stateInspectorDict[state.getName()] = (
StateInspector(self, state))
return si
def enteredState(self, stateName):
@ -263,12 +278,12 @@ class FSMInspector(Pmw.MegaToplevel):
si = dict[key]
center = si.center()
print "'%s' : (%.3f, %.3f)," % \
(si.state.name, center[0], center[1])
(si.state.getName(), center[0], center[1])
for key in keys[-1:]:
si = dict[key]
center = si.center()
print "'%s' : (%.3f, %.3f)," % \
(si.state.name, center[0], center[1])
(si.state.getName(), center[0], center[1])
print '}'
def toggleBalloon(self):
@ -287,8 +302,9 @@ class StateInspector(Pmw.MegaArchetype):
self.state = state
# Create a unique tag which you can use to move a marker and
# and its corresponding text around together
self.tag = state.name
self.tag = state.getName()
self.fsm = inspector.fsm
# Pointers to the inspector's components
self.scrolledCanvas = inspector.component('scrolledCanvas')
self._canvas = self.scrolledCanvas.component('canvas')
@ -313,11 +329,11 @@ class StateInspector(Pmw.MegaArchetype):
(self.y + half),
fill = 'CornflowerBlue',
tags = (self.tag,'markers'))
self.text = self._canvas.create_text(0, 0, text = state.name,
self.text = self._canvas.create_text(0, 0, text = state.getName(),
justify = CENTER,
tags = (self.tag,'labels'))
# Is this state contain a sub machine?
if state.fsmArray:
if state.hasChildren():
# reduce half by sqrt of 2.0
half = half * 0.707106
self.rect = self._canvas.create_rectangle((- half), (- half),
@ -327,11 +343,11 @@ class StateInspector(Pmw.MegaArchetype):
# The Popup State Menu
self._popupMenu = Menu(self._canvas, tearoff = 0)
self._popupMenu.add_command(label = 'Request transistion to ' +
state.name,
self._popupMenu.add_command(label = 'Request transition to ' +
state.getName(),
command = self.transitionTo)
if state.fsmArray:
self._popupMenu.add_command(label = 'Inspect ' + state.name +
if state.hasChildren():
self._popupMenu.add_command(label = 'Inspect ' + state.getName() +
' submachine',
command = self.inspectSubMachine)
@ -356,7 +372,7 @@ class StateInspector(Pmw.MegaArchetype):
c = self.center()
self._canvas.coords(self.marker,
c[0] - half, c[1] - half, c[0] + half, c[1] + half)
if self.state.fsmArray:
if self.state.hasChildren():
half = self.radius * 0.707106
self._canvas.coords(self.rect,
c[0] - half, c[1] - half, c[0] + half, c[1] + half)
@ -389,6 +405,9 @@ class StateInspector(Pmw.MegaArchetype):
c = self._canvas.coords(self.marker)
return (c[0] + c[2])/2.0, (c[1] + c[3])/2.0
def getName(self):
return self.tag
# Event Handlers
def mouseEnter(self, event):
self._canvas.itemconfig(self.marker, width = 2)
@ -416,7 +435,7 @@ class StateInspector(Pmw.MegaArchetype):
event.widget.winfo_pointery())
def transitionTo(self):
print 'transition to ' + self.tag
self.fsm.request(self.getName())
def inspectSubMachine(self):
print 'inspect ' + self.tag + ' subMachine'
@ -441,7 +460,7 @@ class dummyFSM:
self.stateCollection = stateCollection
if layout:
for state in self.stateCollection:
pos = layout.get(state.name, None)
pos = layout.get(state.getName(), None)
if pos:
state.defaultPosition= pos
def __getitem__(self, item):
@ -465,5 +484,19 @@ if __name__ == '__main__':
'state-4' : (335.67, 143.86),
'state-5' : (239.76, 143.86),
'state-6' : (23.98, 71.93)})
fsmi = FSMInspector(title = 'My Little Viewer', currentFSM = fsm)
fsmi = FSMInspector(title = 'My Little Viewer', FSM = fsm)
mainloop()
"""
def enterState():
print 'enterState'
def exitState():
print 'exitState'
fsm = FSM.FSM('stopLight',
[ State.State('red', enterState, exitState, ['green']),
State.State('yellow', enterState, exitState, ['red']),
State.State('green', enterState, exitState, ['yellow']) ],
'red',
'red')
inspector = FSMInspector(FSM = fsm)
"""