class mainGame(ShowBase):
'''
mainGame class is the actual instance of the panda application, inherits from ShowBase
it contains functions and methods to control the actual game
'''
#procedure class constructor
def __init__(self):
'''
class constructor
Creates environment, player objects
'''
# initialize
#ShowBase.__init__(self)
# set keybinds
setKeybinds()
mission = self
self.nextValidSpawn = 0
# handle collisions
# collision traversal 'traverses' instances of collides
base.cTrav = CollisionTraverser() #switched to base
base.pusher = CollisionHandlerPusher() #switched to base
base.pusher.addInPattern('entityCollision')
base.groundHandler = CollisionHandlerQueue()
# add catch-all handler
#base.entityCollisionHandler.addInPattern('entityCollision')
# handle entity collisions
# pass to entityCollided
base.accept('entityCollision', entityCollided)
# handle bullet collisions
# accept this event and pass it to method bulletCollided
base.accept('bulletCollision', bulletCollided)
# self.render references base.render
self.render = base.render
mission.CAPTURE_TIME = 15 #time to capture single flag
mission.CAPTURE_RADIUS = 300 #radius that needs to be controlled to cap flag
#cleanup is list that saves items to destroy on mission end
base.cleanup = []
# entities is list of all entities in gamespace. Used for applying gravity etc
base.entities = []
# also keep a running list of all structures
base.structures = []
#setup for AI
base.AIworld = AIWorld(base.render)
# load environment
self.makeEnviron("example")
# sfx handler for 3D audio
#base.audio3d = Audio3DManager(base.sfxManagerList[0], base.camera)
#background music
self.music = base.loader.loadSfx("sounds/dramatic.ogg")
self.music.setLoop(True)
self.music.setVolume(0.15)
self.music.play()
# load GUI
self.makeGUI()
#set up player and camera
#set mouse mode to relative
base.disableMouse()
setMouseMode(1)
#find nodes in environment and store on game object
self.team0Node = self.environment.find("**/team0")
self.team0BaseNode = self.environment.find("**/team0base")
self.team1Node = self.environment.find("**/team1")
self.team1BaseNode = self.environment.find("**/team1base")
#load occlusion nodes from environment
#format in blender:
#occlusion planes all parented to base level 'occluders' empty
#occlusion planes named 'occluder#'
occluder_nodes = self.environment.findAllMatches(
'**/occluders/+OccluderNode')
for occluder_nodepath in occluder_nodes:
base.render.setOccluder(occluder_nodepath)
occluder_nodepath.node().setDoubleSided(True)
#for now will attempt to load up to 12 flags, and reject entries that don't work
#TODO: dynamically load based on amount of flag nodes found
#also may change capture time depending on flag
self.flags = []
self.outposts = []
for i in range(12):
thisFlag = self.environment.find("**/flag" + str(i))
#only append if found successfully
if thisFlag.error_type == 0:
self.flags.append(thisFlag)
thisFlag.setPythonTag('lastCapture',
None) #last capture attempt
thisFlag.setPythonTag('lastCaptureTeam',
None) #last team that tried to cap
self.spawnPlayer()
#standing=rifleman(base,self.team0Node.getPos(),0)
#running = rifleman(base, self.team0Node.getPos(), 0)
#soldat = rifleman(base, self.team0Node.getPos(), 0)
#instancee=base.render.attachNewNode('blast')
#instancee.setX(instancee.getX()+200)
#instance=soldat.instanceTo(instancee)
#instancee.setX(instancee.getX()-180)
#enemy = rifleman(base, (20, 300, 0),1)
#friendly = rifleman(base, self.team0Node.getPos(), 0)
#friendly.setGoal(self.flags[1])
#load gameplay logic
# update all entities
taskMgr.add(self.updateEntities, "updateEntitiesTask")
self.playerScore = 0
self.spawnBases()
self.spawnEnemies()
#procedure spawnPlayer
# just logic for making player and putting on scene
def spawnPlayer(self):
#spawn player
newPos = (self.team0Node.getX(), self.team0Node.getY(),
self.team0BaseNode.getZ() + 20)
self.player = player("models/m15", base, self.team0Node.getPos())
#store on base for external use
base.player = self.player
self.player.setScale(2)
self.player.score = 0
locationJoint = self.player.exposeJoint(None, "modelRoot",
"frontWeaponPod")
print((locationJoint.getParent()))
M1X_M2(self.player, locationJoint)
#procedure makeEnviron
def makeEnviron(self, envModel):
'''
creates environment of specified name and parents to renderer
'''
#load environment model and add to renderer
self.environment = base.loader.loadModel("models/" + envModel)
base.navmesh = "models/" + envModel + ".navmesh.csv"
self.environment.reparentTo(base.render)
self.environment.setPos(0, 0, -10)
#add to cleanup list
base.cleanup.append(self.environment)
# FROM PANDA3D DOCUMENTATION
# Enable a 'light ramp' - this discretizes the lighting,
# which is half of what makes a model look like a cartoon.
# Light ramps only work if shader generation is enabled,
# so we call 'setShaderAuto'.
tempnode = NodePath(PandaNode("temp node"))
tempnode.setAttrib(LightRampAttrib.makeSingleThreshold(0.5, 0.4))
tempnode.setShaderAuto()
# add to cleanup
base.cleanup.append(tempnode)
base.cam.node().setInitialState(tempnode.getState())
self.separation = 1 # Pixels
filterok = base.filters.setCartoonInk(separation=self.separation)
if (filterok == False):
print("not good enough GPU")
exit()
base.accept("v", base.bufferViewer.toggleEnable)
plightnode = PointLight("point light")
plightnode.setAttenuation((1, 0, 0))
plight = base.render.attachNewNode(plightnode)
plight.node().setScene(base.render)
plight.node().setShadowCaster(True, 512, 512)
plight.setPos(0, 190, 300)
print(plight.getHpr())
plight.lookAt(self.environment)
print(plight.getHpr())
alightnode = AmbientLight("ambient light")
alightnode.setColor((0.8, 0.8, 0.8, 1))
alight = base.render.attachNewNode(alightnode)
base.render.setLight(alight)
base.render.setLight(plight)
base.cleanup.append(alight)
base.cleanup.append(plight)
#load skybox
skybox = base.loader.loadModel("models/skybox.bam")
skybox.reparent_to(base.render)
skybox.set_scale(20000)
skybox_texture = base.loader.loadTexture("models/tex/sky.png")
skybox_texture.set_minfilter(SamplerState.FT_linear)
skybox_texture.set_magfilter(SamplerState.FT_linear)
skybox_texture.set_wrap_u(SamplerState.WM_repeat)
skybox_texture.set_wrap_v(SamplerState.WM_mirror)
skybox_texture.set_anisotropic_degree(16)
skybox.set_texture(skybox_texture)
skybox_shader = Shader.load(Shader.SL_GLSL, "skybox.vert.glsl",
"skybox.frag.glsl")
skybox.set_shader(skybox_shader)
#procedure make GUI
def makeGUI(self):
'''
Creates GUI controls and renders on screen
Health, targeting reticle, ammunition, weapon display, score
store results in self.playerGUI
'''
# TODO GUI logic for player
self.playerGUI = DirectFrame(
frameSize=(base.a2dLeft, base.a2dRight, base.a2dBottom,
base.a2dTop),
frameColor=(0, 0, 0, 0) #make completely transparent
)
reticle = OnscreenImage(image='images/reticle.png',
scale=(0.5, 1, .25))
reticle.setTransparency(TransparencyAttrib.MAlpha)
reticle.reparentTo(self.playerGUI)
self.playerGUI.HP = OnscreenText(text="HEALTH",
pos=(0.95, 0.8),
scale=0.2,
fg=(0, 0, 90, 1),
align=TextNode.ACenter,
mayChange=1)
self.playerGUI.HP.reparentTo(self.playerGUI)
self.playerGUI.score = OnscreenText(text="Score: 0",
pos=(-1.5, 0.8),
scale=0.2,
fg=(0, 0, 90, 1),
align=TextNode.ALeft,
mayChange=1)
self.playerGUI.score.reparentTo(self.playerGUI)
#procedure updateEntities
#task applies logic to all registered entities every frame
def updateEntities(self, task):
base.AIworld.update()
timeNow = globalClock.getFrameTime()
for item in base.entities:
if item.is_empty():
base.entities.remove(item)
continue
#call to overrideable updateState method
item.updateState()
#update player UI
if self.playerGUI.HP.text != str(self.player.health):
self.playerGUI.HP.text = str(self.player.health)
if self.playerGUI.score.text != str(self.player.score):
self.playerGUI.score.text = "Score: {}".format(
str(self.player.score))
#spawn entities
if timeNow >= self.nextValidSpawn:
self.spawnEnemies()
#self.checkOutposts()
return task.cont
#procedure spawnBases
def spawnBases(self):
'''
Create bases/outposts across the map based on environment mesh nodes
Store in self.bases list
'''
#place HQs
baseNode = base.loader.loadModel("models/hq")
baseNode.reparentTo(base.render)
baseNode.setPos(self.team0BaseNode.getPos())
baseNode.setScale(4.5)
#base.structures.append(baseNode)
baseNode = base.loader.loadModel("models/hq")
baseNode.reparentTo(base.render)
baseNode.setPos(self.team1BaseNode.getPos())
baseNode.setScale(4.5)
baseNode.setH(self.team1BaseNode.getH())
#base.structures.append(baseNode)
#spawn bases on flags
for i, flag in enumerate(self.flags):
newBase = structure("models/outpost", flag.getPos())
#newBase.reparentTo(base.render)
#newBase.setScale(flag.getScale())
#newBase.setPos(flag.getPos())
#store base in flags array
self.outposts.append(newBase)
base.structures.append(newBase)
#set initial team of each flag
self.flags[i].setPythonTag('team', None)
#procedure spawnEnemies
def spawnEnemies(self):
'''
Every few ticks generate new enemies from hostile bases
'''
timeNow = globalClock.getFrameTime()
self.nextValidSpawn = timeNow + random.randint(4, 11)
#actually spawns entities for both sides from respective HQs
if len(base.entities) < 12:
#randomly choose which team to spawn more for
team = random.randint(0, 1)
unit = None
if team == 0:
unit = rifleman(base, self.team0Node.getPos(), 0)
#for now just send units to the other base
unit.setGoal(self.team1Node.getPos())
else:
unit = rifleman(base, self.team1Node.getPos(), 1)
#for now just send units to the other base
unit.setGoal(self.team0Node.getPos())
# set goal to random point around flag
flagTarget = random.randint(0, len(self.flags) - 1)
# find reasonable inner and outer radius
inner = self.outposts[flagTarget].getBounds().getRadius() / 2
# outer is 1.2x the inner
outer = 1.1 * inner
#find random point in this circle
x, y = randomPointInCircle(self.outposts[flagTarget].getPos(),
outer, inner)
flagTarget = (x, y, 0)
#dest = base.loader.loadModel("models/basic")
#dest.setPos(flagTarget)
#dest.reparentTo(base.render)
##unit.setGoal(flagTarget)
#procedure checkOutposts
def checkOutposts(self):
'''
Checks all outposts for entities and starts conversion process
'''
#check all flags for capture state
#there must be objects of team # exclusively in capture zone for capture_time
for flag in self.flags:
isCapturing = True
lastTeam = None
lastCapture = flag.getPythonTag('lastCapture')
lastCaptureTeam = flag.getPythonTag('lastCaptureTeam')
flagTeam = flag.getPythonTag('team')
# check for base.entities and see if any are in the circle created by capture radius
for troop in base.entities:
if pointInCircle(flag.getPos(), mission.CAPTURE_RADIUS,
troop.getPos()):
if (lastTeam != None) and lastTeam != troop.team:
#if multiple teams in zone all capture attempts aborted
isCapturing = False
flag.setPythonTag('lastCapture', None)
flag.setPythonTag('lastCaptureTeam', None)
break
else:
#otherwise add to capturezone
lastTeam = troop.team
#if still isCapturing at this point all troops in the capture zone are on the same team
#first check if capture attempt already in progress
if isCapturing and flagTeam != lastTeam:
timeNow = globalClock.getFrameTime()
# check if enough time has elapsed to confer ownership
if (lastCapture != None and lastCaptureTeam == lastTeam) \
and timeNow >= (lastCapture+flag.capture_time):
#if all these criteria true, give flag to team
flag.setPythonTag('team', lastTeam)
flag.setPythonTag('lastCapture', None)
flag.setPythonTag('lastCaptureTeam', None)
# if flag.lastCapture IS none, start a capture
elif flag.lastCaptureTeam == None:
flag.setPythonTag('lastCapture', lastTeam)
flag.setPythonTag('lastCaptureTeam', timeNow)
#procedure captureBase
def captureBase(self):
'''
Function to be called when player reaches center of base and attempts side conversion
If successful base becomes player controlled and reinforceable
'''
pass
#procedure spawnFriendly
def spawnFriendly(self, friendly, location):
'''
Spawn friendly unit of type friendly (rifle, runner, tank, helo, turret)
'''
pass
#procedure class deconstructor
def delete(self):
'''
Cleanly deletes all objects created by this scene
'''
self.music.stop()
self.playerGUI.removeNode()
#clear all lights
base.render.clearLight()
#clear tasks created through course of gameloop
taskMgr.remove("updateEntitiesTask")
#clear shader effect
base.filters.delCartoonInk()
#delete all items in cleanup
for garbage in base.cleanup:
# check if actor type, if so, cleanup
if isinstance(garbage, entity):
continue
else:
garbage.removeNode()
del garbage
# clear entities list
base.entities.clear()
# clear cleanup list
base.cleanup.clear()
self.outposts.clear()
self.flags.clear()
# last alibis
base.render.getChildren().detach()
