def __init__(self, parent: NodePath):
super().__init__()
self.parent = parent
self.mouse_np = p3d.camera.attach_new_node(PandaNode('mouse'))
self.mouse_np.set_y(p3d.lens.get_near())
picker_node = CollisionNode('mouse_ray')
picker_np = p3d.camera.attach_new_node(picker_node)
self._picker_ray = CollisionRay()
picker_node.add_solid(self._picker_ray)
self._collision_handler = CollisionHandlerQueue()
self._traverser = CollisionTraverser('mouse_traverser')
self._traverser.add_collider(picker_np, self._collision_handler)
self.actor = Actor(
resource_filename('tsim', 'data/models/cursor'),
{'spin': resource_filename('tsim', 'data/models/cursor-spin')})
self.actor.loop('spin')
self.actor.reparent_to(parent)
self.actor.set_pos(0.0, 0.0, 0.0)
self.actor.set_shader_off()
self._position = Point(0.0, 0.0)
self.last_position = self._position
self.moved = False
self.pointed_at = None
self._tool: Optional[Tool] = None
self._register_events()
def __init__(self, pos, radius, dest):
"""Setup this portal."""
#Setup model
self.model = loader.load_model("./data/models/scenery/portal/portal")
self.model.set_pos(*pos) #Y is up in the map data
self.model.set_scale(radius, radius, radius)
try:
texture = loader.load_texture(
os.path.join("./data/maps", dest, "portal.png"))
self.model.set_texture(texture, 1)
except IOError:
Logger.warning("No portal texture for map '{}'.".format(dest))
self.model.reparent_to(base.world_mgr.scenery_np)
#Setup collision detection
cnode = CollisionNode("portal")
cnode.add_solid(CollisionSphere(0, 0, 0, 1))
self.collider = self.model.attach_new_node(cnode)
self.collider.set_python_tag("object", self)
base.cTrav.add_collider(self.collider, base.portal_handler)
#Store desination
self.dest = dest
def __init__(self, map, color, node):
self.map = map
self.color = color
self.node = node
col = CollisionNode(node.name)
col.add_solid(CollisionSphere((0, 0, 0), 1))
col.set_collide_mask(base.itemmask)
self.col_node = self.map.collisions.attach_new_node(col)
self.col_node.set_pos(node.get_pos())
self.col_node.set_z(node, 1)
def setup_ray(node, traverser, bitmask, point_a=(0, 0, 1), point_b=(0, 0, 0)):
ray = CollisionSegment(point_a, point_b)
col = CollisionNode(node.getName() + "-ray")
col.add_solid(ray)
col.set_from_collide_mask(bitmask)
col.set_into_collide_mask(CollideMask.all_off())
col_node = node.attach_new_node(col)
handler = CollisionHandlerQueue()
traverser.add_collider(col_node, handler)
return {"collider": col, "ray": ray, "handler": handler, "node": col_node}
def __initCollisions(self, name):
self.notify.debug("Initializing collision sphere...")
ss = CollisionSphere(0, 0, 0, 5)
ss.setTangible(0)
snode = CollisionNode(name)
snode.add_solid(ss)
snode.set_collide_mask(CIGlobals.WallBitmask)
self.snp = self.attach_new_node(snode)
self.snp.setZ(3)
self.acceptOnce("enter" + self.snp.node().getName(), self.__handleEnterCollisionSphere)
def __init__(self):
"""Setup this camera manager."""
Logger.info("Initializing camera manager...")
self.reset()
#Camera Controls
#===============
#F1 - first person view
#F2 - chase cam view
#F3 - free cam view
#W - move forward
#S - move backward
#A - move left
#D - move right
#R - rise
#F - fall
#Up - look up
#Down - look down
#Left - turn left
#Right - turn right
base.accept("f1", self.change_mode, [CAM_MODE_FIRST_PERSON])
base.accept("f2", self.change_mode, [CAM_MODE_CHASE])
base.accept("f3", self.change_mode, [CAM_MODE_FREE])
base.accept("w", self.set_move_vec_y, [self.speed])
base.accept("w-up", self.set_move_vec_y, [0])
base.accept("s", self.set_move_vec_y, [-self.speed])
base.accept("s-up", self.set_move_vec_y, [0])
base.accept("a", self.set_move_vec_x, [-self.speed])
base.accept("a-up", self.set_move_vec_x, [0])
base.accept("d", self.set_move_vec_x, [self.speed])
base.accept("d-up", self.set_move_vec_x, [0])
base.accept("r", self.set_move_vec_z, [self.speed])
base.accept("r-up", self.set_move_vec_z, [0])
base.accept("f", self.set_move_vec_z, [-self.speed])
base.accept("f-up", self.set_move_vec_z, [0])
base.accept("arrow_up", self.set_rot_vec_p, [self.speed / 10])
base.accept("arrow_up-up", self.set_rot_vec_p, [0])
base.accept("arrow_down", self.set_rot_vec_p, [-self.speed / 10])
base.accept("arrow_down-up", self.set_rot_vec_p, [0])
base.accept("arrow_left", self.set_rot_vec_h, [self.speed / 10])
base.accept("arrow_left-up", self.set_rot_vec_h, [0])
base.accept("arrow_right", self.set_rot_vec_h, [-self.speed / 10])
base.accept("arrow_right-up", self.set_rot_vec_h, [0])
#Setup collision detection
cnode = CollisionNode("camera")
cnode.add_solid(CollisionSphere(0, 0, 0, 10))
self.collider = base.camera.attach_new_node(cnode)
base.cTrav.add_collider(self.collider, base.portal_handler)
#Start camera manager task
base.task_mgr.add(self.run_logic)
Logger.info("Camera manager initialized.")
def enter_filter_mouseoverable(self, entity):
model_proxy = self.proxies['model']
model_node = model_proxy.field(entity)
mouseoverable = entity[MouseOverable]
into_node = CollisionNode('wecs_mouseoverable')
into_node.add_solid(mouseoverable.solid)
into_node.set_from_collide_mask(0x0)
into_node.set_into_collide_mask(mouseoverable.mask)
into_node_path = model_node.attach_new_node(into_node)
into_node_path.set_python_tag('wecs_mouseoverable', entity._uid)
def pieCollisions(self):
pss = CollisionSphere(0, 0, 0, 1)
psnode = CollisionNode('projectilePieSensor' + str(id(self)))
psnode.add_solid(pss)
self.psnp = self.pie.attach_new_node(psnode)
self.psnp.set_collide_mask(BitMask32(0))
self.psnp.node().set_from_collide_mask(CIGlobals.WallBitmask
| CIGlobals.FloorBitmask)
event = CollisionHandlerEvent()
event.set_in_pattern("%fn-into")
event.set_out_pattern("%fn-out")
base.cTrav.add_collider(self.psnp, event)
def __initCollisions(self, name):
self.notify.debug('Initializing collision sphere...')
numSlots = len(self.circles)
ss = CollisionSphere(0, 0, 0, self.numPlayers2SphereRadius[numSlots])
ss.setTangible(0)
snode = CollisionNode(name)
snode.add_solid(ss)
snode.set_collide_mask(CIGlobals.WallBitmask)
self.snp = self.attach_new_node(snode)
self.snp.setZ(3)
self.snp.setY(self.numPlayers2SphereY[numSlots])
self.snp.setSx(self.numPlayers2SphereSx[numSlots])
self.snp.setSy(self.numPlayers2SphereSy[numSlots])
self.acceptOnce('enter' + self.snp.node().getName(), self.__handleEnterCollisionSphere)
def __initCollisions(self, name):
self.notify.debug('Initializing collision sphere...')
numSlots = len(self.circles)
ss = CollisionSphere(0, 0, 0, self.numPlayers2SphereRadius[numSlots])
ss.setTangible(0)
snode = CollisionNode(name)
snode.add_solid(ss)
snode.set_collide_mask(CIGlobals.WallBitmask)
self.snp = self.attach_new_node(snode)
self.snp.setZ(3)
self.snp.setY(self.numPlayers2SphereY[numSlots])
self.snp.setSx(self.numPlayers2SphereSx[numSlots])
self.snp.setSy(self.numPlayers2SphereSy[numSlots])
self.acceptOnce('enter' + self.snp.node().getName(), self.__handleEnterCollisionSphere)
def setup_shadow_ray(self, shadow_node, mat):
ray = CollisionRay(0.0, 0.0, CollisionHandlerRayStart, 0.0, 0.0, -1.0)
ray_node = CollisionNode('ray_node')
ray_node.add_solid(ray)
self.ray_np = shadow_node.attach_new_node(ray_node)
self.ray_np.node().set_from_collide_mask(CIGlobals.FloorBitmask)
self.ray_np.node().set_into_collide_mask(BitMask32.allOff())
floor_offset = 0.025
lifter = CollisionHandlerFloor()
lifter.set_offset(floor_offset)
lifter.set_reach(4.0)
lifter.add_collider(self.ray_np, shadow_node)
if not mat:
base.cTrav.add_collider(self.ray_np, lifter)
def ray(self, name, bitmask, point_a=(0, 0, 1), point_b=(0, 0, 0)):
shape = CollisionSegment(point_a, point_b)
col = CollisionNode(self.node.getName() + "-ray-" + name)
col.add_solid(shape)
col.set_from_collide_mask(bitmask)
col.set_into_collide_mask(CollideMask.all_off())
col_node = self.node.attach_new_node(col)
handler = CollisionHandlerQueue()
self.traverser.add_collider(col_node, handler)
return {
"collider": col,
"shape": shape,
"handler": handler,
"node": col_node
}
def sphere(self, name, bitmask, pos=(0, 0, 1), radius=0.2):
col = CollisionNode(self.node.getName() + "-sphere-" + name)
shape = CollisionSphere(pos, radius)
col.add_solid(shape)
col.set_from_collide_mask(bitmask)
col.set_into_collide_mask(CollideMask.allOff())
col_node = self.node.attachNewNode(col)
handler = CollisionHandlerPusher()
handler.add_collider(col_node, self.node)
self.traverser.add_collider(col_node, handler)
return {
"collider": col,
"shape": shape,
"handler": handler,
"node": col_node
}
def add_border_walls(self):
'''Attaching invisible walls to map's borders, to avoid falling off map'''
log.debug("Adding invisible walls to collide with on map's borders")
wall_coordinates = [
((self.map_size[0], 0, 0), (self.map_size[1], 0, 0)),
((-self.map_size[0], 0, 0), (-self.map_size[1], 0, 0)),
((0, self.map_size[2], 0), (0, self.map_size[3], 0)),
((0, -self.map_size[2], 0), (0, -self.map_size[3], 0))
]
for sizes in wall_coordinates:
wall_node = CollisionNode("wall")
#it looks like without adding node to pusher (we dont need that there),
#masks wont work. Thus for now I wont use them, as defaults seem to work
#wall_node.set_collide_mask(BitMask32(shared.WALLS_COLLISION_MASK))
wall_node.add_solid(CollisionPlane(Plane(*sizes)))
wall = render.attach_new_node(wall_node)
def __init__(self,
app,
render,
camera,
mouseWatcher,
pickKeyOn,
pickKeyOff,
collideMask,
pickableTag="pickable"):
self.render = render
self.mouseWatcher = mouseWatcher.node()
self.camera = camera
self.camLens = camera.node().get_lens()
self.collideMask = collideMask
self.pickableTag = pickableTag
self.taskMgr = app.task_mgr
# setup event callback for picking body
self.pickKeyOn = pickKeyOn
self.pickKeyOff = pickKeyOff
app.accept(self.pickKeyOn, self._pickBody, [self.pickKeyOn])
app.accept(self.pickKeyOff, self._pickBody, [self.pickKeyOff])
# collision data
self.collideMask = collideMask
self.cTrav = CollisionTraverser()
self.collisionHandler = CollisionHandlerQueue()
self.pickerRay = CollisionRay()
pickerNode = CollisionNode("Utilities.pickerNode")
node = NodePath("PhysicsNode")
node.reparentTo(render)
anp = node.attachNewNode(pickerNode)
base.physicsMgr.attachPhysicalNode(pickerNode)
pickerNode.add_solid(self.pickerRay)
pickerNode.set_from_collide_mask(self.collideMask)
pickerNode.set_into_collide_mask(BitMask32.all_off())
#pickerNode.node().getPhysicsObject().setMass(10)
self.cTrav.add_collider(self.render.attach_new_node(pickerNode),
self.collisionHandler)
# service data
self.pickedBody = None
self.oldPickingDist = 0.0
self.deltaDist = 0.0
self.dragging = False
self.updateTask = None
def make_collision(solid_from, solid_into):
node_from = CollisionNode("from")
node_from.add_solid(solid_from)
node_into = CollisionNode("into")
node_into.add_solid(solid_into)
root = NodePath("root")
trav = CollisionTraverser()
queue = CollisionHandlerQueue()
np_from = root.attach_new_node(node_from)
np_into = root.attach_new_node(node_into)
trav.add_collider(np_from, queue)
trav.traverse(root)
entry = None
for e in queue.get_entries():
if e.get_into() == solid_into:
entry = e
return (entry, np_from, np_into)
def __init__(self, map, node):
self.map = map
self.node = node
self.init_heading = self.node.get_h()
pos = node.get_pos(render)
node.set_pos(pos)
if self.node.get_z() < 2:
self.node.reparent_to(self.map.doors_node_f1)
else:
self.node.reparent_to(self.map.doors_node_f2)
self.node.set_collide_mask(base.mapmask)
self.open = False
self.speed = 5
self.make_key()
self.timer = 0
col = CollisionNode(node.name)
col.add_solid(CollisionSphere((0, 0, 0), 1.5))
col.set_collide_mask(base.itemmask)
col_node = self.map.collisions.attach_new_node(col)
col_node.set_pos(node.get_pos(render))
col_node.set_y(node, 2)
self.opening = False
def add_borders(self):
"""Attach invisible walls to map's borders, to avoid falling off map"""
log.debug("Adding invisible walls to collide with on map's borders")
wall_coordinates = [
((self.map_size[0], 0, 0), (self.map_size[1], 0, 0)),
((-self.map_size[0], 0, 0), (-self.map_size[1], 0, 0)),
((0, self.map_size[2], 0), (0, self.map_size[3], 0)),
((0, -self.map_size[2], 0), (0, -self.map_size[3], 0)),
]
for sizes in wall_coordinates:
wall_node = CollisionNode(shared.game_data.border_category)
# it looks like without adding node to pusher (we dont need that there),
# masks wont work. Thus for now I wont use them, as defaults seem to work
# wall_node.set_collide_mask(BitMask32(shared.WALLS_COLLISION_MASK))
wall_node.add_solid(CollisionPlane(Plane(*sizes)))
wall = self.scene.attach_new_node(wall_node)
# adding tag with wall's coordinations, so it will be possible to
# push entities back if these collide with wall
# because calling .get_pos() will return LPoint3f(0,0,0)
wall_node.set_python_tag("position", sizes)
def make_collision(solid_from, solid_into):
node_from = CollisionNode("from")
node_from.add_solid(solid_from)
node_into = CollisionNode("into")
node_into.add_solid(solid_into)
root = NodePath("root")
trav = CollisionTraverser()
queue = CollisionHandlerQueue()
np_from = root.attach_new_node(node_from)
np_into = root.attach_new_node(node_into)
trav.add_collider(np_from, queue)
trav.traverse(root)
entry = None
for e in queue.get_entries():
if e.get_into() == solid_into:
entry = e
return (entry, np_from, np_into)
def __init__(self, world):
self.world = world
self.root = self.world.root.attach_new_node("player")
self.root_target = self.world.root.attach_new_node("player_target")
self.pivot = self.root.attach_new_node("player_pivot")
base.camera.reparent_to(self.pivot)
base.camera.set_z(1.7)
base.cam.node().get_lens().set_fov(90)
self.traverser = CollisionTraverser()
self.ray = setup_ray(
self.pivot,
self.traverser,
self.world.mask,
# ray ends well below feet to register downward slopes
(0, 0, 1),
(0, 0, -1))
self.xyh_inertia = Vec3(0, 0, 0)
h_acc = ConfigVariableDouble('mouse-accelleration', 0.1).get_value()
self.xyh_acceleration = Vec3(0.8, 0.8, h_acc)
self.friction = 0.15
self.torque = 0.5
self.last_up = Vec3(0, 0, 1)
# Collider for portals
csphere = CollisionSphere(0, 0, 1.25, 1.5)
cnode = CollisionNode('player')
cnode.add_solid(csphere)
cnode.set_from_collide_mask(0x2)
cnode.set_into_collide_mask(CollideMask.all_off())
self.collider = self.root.attach_new_node(cnode)
self.event_handler = CollisionHandlerEvent()
self.event_handler.add_in_pattern('into-%in')
self.traverser.add_collider(self.collider, self.event_handler)
self.collider.show()
self.teleported = False
base.input.set_mouse_relativity(True)
class MapPicker():
__name: Final[str]
__base: Final[ShowBase]
__data: Final[NDArray[(Any, Any, Any), np.uint8]]
# collision data
__ctrav: Final[CollisionTraverser]
__cqueue: Final[CollisionHandlerQueue]
__cn: Final[CollisionNode]
__cnp: Final[NodePath]
# picker data
__pn: Final[CollisionNode]
__pnp: Final[NodePath]
__pray: Final[CollisionRay]
# constants
COLLIDE_MASK: Final[BitMask32] = BitMask32.bit(1)
def __init__(self, services: Services, base: ShowBase, map_data: MapData, name: Optional[str] = None):
self.__services = services
self.__services.ev_manager.register_listener(self)
self.__base = base
self.__name = name if name is not None else (map_data.name + "_picker")
self.__map = map_data
self.__data = map_data.data
# collision traverser & queue
self.__ctrav = CollisionTraverser(self.name + '_ctrav')
self.__cqueue = CollisionHandlerQueue()
# collision boxes
self.__cn = CollisionNode(self.name + '_cn')
self.__cn.set_collide_mask(MapPicker.COLLIDE_MASK)
self.__cnp = self.__map.root.attach_new_node(self.__cn)
self.__ctrav.add_collider(self.__cnp, self.__cqueue)
self.__points = []
z_offset = 1 if self.__map.dim == 3 else self.__map.depth
for idx in np.ndindex(self.__data.shape):
if bool(self.__data[idx] & MapData.TRAVERSABLE_MASK):
p = Point(*idx)
self.__points.append(p)
idx = self.__cn.add_solid(CollisionBox(idx, Point3(p.x+1, p.y+1, p.z-z_offset)))
assert idx == (len(self.__points) - 1)
# mouse picker
self.__pn = CollisionNode(self.name + '_pray')
self.__pnp = self.__base.cam.attach_new_node(self.__pn)
self.__pn.set_from_collide_mask(MapPicker.COLLIDE_MASK)
self.__pray = CollisionRay()
self.__pn.add_solid(self.__pray)
self.__ctrav.add_collider(self.__pnp, self.__cqueue)
# debug -> shows collision ray / impact point
# self.__ctrav.show_collisions(self.__map.root)
@property
def name(self) -> str:
return self.__name
@property
def pos(self):
# check if we have access to the mouse
if not self.__base.mouseWatcherNode.hasMouse():
return None
# get the mouse position
mpos = self.__base.mouseWatcherNode.get_mouse()
# set the position of the ray based on the mouse position
self.__pray.set_from_lens(self.__base.camNode, mpos.getX(), mpos.getY())
# find collisions
self.__ctrav.traverse(self.__map.root)
# if we have hit something sort the hits so that the closest is first
if self.__cqueue.get_num_entries() == 0:
return None
self.__cqueue.sort_entries()
# compute & return logical cube position
x, y, z = self.__cqueue.get_entry(0).getSurfacePoint(self.__map.root)
x, y, z = [max(math.floor(x), 0), max(math.floor(y), 0), max(math.ceil(z), 0)]
if x == len(self.__data):
x -= 1
if y == len(self.__data[x]):
y -= 1
if z == len(self.__data[x][y]):
z -= 1
return Point(x, y, z)
def notify(self, event: Event) -> None:
if isinstance(event, MapUpdateEvent):
z_offset = 1 if self.__map.dim == 3 else self.__map.depth
for p in event.updated_cells:
if p.n_dim == 2:
p = Point(*p, 0)
if bool(self.__data[p.values] & MapData.TRAVERSABLE_MASK):
self.__points.append(p)
idx = self.__cn.add_solid(CollisionBox(p.values, Point3(p.x+1, p.y+1, p.z-z_offset)))
assert idx == (len(self.__points) - 1)
else:
try:
i = self.__points.index(p)
except ValueError:
continue
self.__cn.remove_solid(i)
self.__points.pop(i)
def destroy(self) -> None:
self.__cqueue.clearEntries()
self.__ctrav.clear_colliders()
self.__cnp.remove_node()
self.__pnp.remove_node()
def __init__(
self,
name: str,
category: str,
collision_settings: CollisionSettings,
scale: int = None,
animated_parts: list = None,
static_parts: list = None,
):
self.name = name
log.debug(f"Initializing {self.name} object")
self.category = category
# creating empty node to attach everything to. This way it will be easier
# to attach other objects (like floating text and such), coz offset trickery
# from animation wont affect other items attached to node (since its not
# a parent anymore, but just another child)
entity_node = PandaNode(name)
# for now, self.node will be empty nodepath - we will reparent it to render
# on spawn, to dont overflood it with reference entity instances
self.node = NodePath(entity_node)
# separate visuals node, to which parts from below will be attached
vn = PandaNode(f"{name}_visuals")
self.visuals = self.node.attach_new_node(vn)
# this allows for rotating node around its h without making it invisible
self.visuals.set_two_sided(True)
# storage for entity parts (visuals) that will be attached to entity node.
# static parts is used for stuff that is SpritesheetObject and doesnt have
# switcher in it. Animated_parts reffers to thing that need to be changed
# in case some related even occurs
self.static_parts = static_parts or []
self.animated_parts = animated_parts or []
# setting character's collisions
entity_collider = CollisionNode(self.category)
# if no collision mask has been received - using defaults
if collision_settings.mask is not None:
mask = BitMask32(collision_settings.mask)
entity_collider.set_from_collide_mask(mask)
entity_collider.set_into_collide_mask(mask)
entity_collider.add_solid(
collision_settings.shape(*collision_settings.size))
self.collision = self.node.attach_new_node(entity_collider)
if collision_settings.position:
self.collision.set_pos(*collision_settings.position)
self.direction = None
# initializing visual parts added with self.add_part()
if self.static_parts or self.animated_parts:
for sp in self.static_parts:
sp.instance.wrt_reparent_to(self.visuals)
if sp.position:
sp.instance.set_pos(sp.position)
if sp.scale:
sp.instance.set_scale(sp.scale)
for ap in self.animated_parts:
ap.instance.node.wrt_reparent_to(self.visuals)
if ap.position:
ap.instance.node.set_pos(ap.position)
if ap.scale:
ap.instance.node.set_scale(ap.scale)
# this will rescale whole node with all parts attached to it
# in case some part as already been rescaled above - it will be rescaled
# again, which may cause issues
if scale:
self.node.set_scale(scale)
self.change_direction("right")
# death status, that may be usefull during cleanup
self.dead = False
# attaching python tags to node, so these will be accessible during
# collision events and similar stuff
self.node.set_python_tag("name", self.name)
self.node.set_python_tag("category", self.category)
# I thought to put ctrav there, but for whatever reason it glitched proj
# to fly into left wall. So I moved it to Creature subclass
# debug function to show collisions all time
if shared.settings.show_collisions:
self.collision.show()
def __init__(self,
name,
spritesheet=None,
sprite_size=None,
hitbox_size=None,
collision_mask=None,
position=None,
animations_speed=None):
log.debug(f"Initializing {name} object")
if not animations_speed:
animations_speed = DEFAULT_ANIMATIONS_SPEED
self.animations_timer = animations_speed
self.animations_speed = animations_speed
if not sprite_size:
sprite_size = DEFAULT_SPRITE_SIZE
if not spritesheet:
#I cant link assets above, coz their default value is None
texture = base.assets.sprite[name]
else:
texture = base.assets.sprite[spritesheet]
size_x, size_y = sprite_size
log.debug(f"{name}'s size has been set to {size_x}x{size_y}")
#the magic that allows textures to be mirrored. With that thing being
#there, its possible to use values in range 1-2 to get versions of sprites
#that will face the opposite direction, removing the requirement to draw
#them with hands. Without thing thing being there, 0 and 1 will be threated
#as same coordinates, coz "out of box" texture wrap mode is "repeat"
texture.set_wrap_u(Texture.WM_mirror)
texture.set_wrap_v(Texture.WM_mirror)
sprite_data = spritesheet_cutter.cut_spritesheet(texture, sprite_size)
horizontal_scale, vertical_scale = sprite_data['offset_steps']
offsets = sprite_data['offsets']
entity_frame = CardMaker(name)
#setting frame's size. Say, for 32x32 sprite all of these need to be 16
entity_frame.set_frame(-(size_x / 2), (size_x / 2), -(size_y / 2),
(size_y / 2))
entity_object = render.attach_new_node(entity_frame.generate())
entity_object.set_texture(texture)
#okay, this does the magic
#basically, to show the very first sprite of 2 in row, we set tex scale
#to half (coz half is our normal char's size). If we will need to use it
#with sprites other than first - then we also should adjust offset accordingly
#entity_object.set_tex_offset(TextureStage.getDefault(), 0.5, 0)
#entity_object.set_tex_scale(TextureStage.getDefault(), 0.5, 1)
entity_object.set_tex_scale(TextureStage.getDefault(),
horizontal_scale, vertical_scale)
#now, to use the stuff from cut_spritesheet function.
#lets say, we need to use second sprite from sheet. Just do:
#entity_object.set_tex_offset(TextureStage.getDefault(), *offsets[1])
#but, by default, offset should be always set to 0. In case our object
#has just one sprite. Or something like that
default_sprite = 0
entity_object.set_tex_offset(TextureStage.getDefault(),
*offsets[default_sprite])
#enable support for alpha channel. This is a float, e.g making it non-100%
#will require values between 0 and 1
entity_object.set_transparency(1)
#if no position has been received - wont set it up
if position:
entity_object.set_pos(*position)
#setting character's collisions
entity_collider = CollisionNode(name)
#if no collision mask has been received - using defaults
if collision_mask:
entity_collider.set_from_collide_mask(BitMask32(collision_mask))
entity_collider.set_into_collide_mask(BitMask32(collision_mask))
#TODO: move this to be under character's legs
#right now its centered on character's center
if hitbox_size:
self.hitbox_size = hitbox_size
else:
#coz its sphere and not oval - it doesnt matter if we use x or y
#but, for sake of convenience - we are going for size_y
self.hitbox_size = (size_y / 2)
entity_collider.add_solid(CollisionSphere(0, 0, 0, self.hitbox_size))
entity_collision = entity_object.attach_new_node(entity_collider)
#this will explode if its not, but I dont have a default right now
if name in ANIMS:
entity_anims = ANIMS[name]
self.name = name
self.object = entity_object
self.collision = entity_collision
self.sprites = offsets
#setting this to None may cause crashes on few rare cases, but going
#for "idle_right" wont work for projectiles... So I technically add it
#there for anims updater, but its meant to be overwritten at 100% cases
self.current_animation = None
#this will always be 0, so regardless of consistency I will live it be
self.current_frame = default_sprite
self.animations = entity_anims
#death status, that may be usefull during cleanup
self.dead = False
#attaching python tags to object node, so these will be accessible during
#collision events and similar stuff
self.object.set_python_tag("name", self.name)
#I thought to put ctrav there, but for whatever reason it glitched projectile
#to fly into left wall. So I moved it to Creature subclass
#debug function to show collisions all time
#self.collision.show()
#do_method_later wont work there, coz its indeed based on frames
base.task_mgr.add(self.update_anims, "update entity's animations")
class MouseOverOnEntity(System):
entity_filters = {
'mouseoverable': [Proxy('model'), MouseOverable],
'mouseoverable_geometry': [Proxy('geometry'), MouseOverableGeometry],
'camera': [Camera, Input, MouseOveringCamera],
}
proxies = {
'model': ProxyType(Model, 'node'),
'geometry': ProxyType(Geometry, 'node'),
}
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.traverser = CollisionTraverser()
self.queue = CollisionHandlerQueue()
self.picker_ray = CollisionRay()
self.picker_node = CollisionNode('mouse ray')
self.picker_node.add_solid(self.picker_ray)
self.picker_node.set_from_collide_mask(MOUSEOVER_MASK)
self.picker_node.set_into_collide_mask(0x0)
self.picker_node_path = NodePath(self.picker_node)
self.traverser.add_collider(self.picker_node_path, self.queue)
def enter_filter_mouseoverable(self, entity):
model_proxy = self.proxies['model']
model_node = model_proxy.field(entity)
mouseoverable = entity[MouseOverable]
into_node = CollisionNode('wecs_mouseoverable')
into_node.add_solid(mouseoverable.solid)
into_node.set_from_collide_mask(0x0)
into_node.set_into_collide_mask(mouseoverable.mask)
into_node_path = model_node.attach_new_node(into_node)
into_node_path.set_python_tag('wecs_mouseoverable', entity._uid)
def exit_filter_mouseoverable(self, entity):
# FIXME: Undo all the other stuff that accumulated!
entity[MouseOverable].solid.detach_node()
def enter_filter_mouseoverable_geometry(self, entity):
into_node = self.proxies['geometry'].field(entity)
old_mask = into_node.get_collide_mask()
new_mask = old_mask | entity[MouseOverableGeometry].mask
into_node.set_collide_mask(new_mask)
into_node.find('**/+GeomNode').set_python_tag('wecs_mouseoverable',
entity._uid)
def update(self, entities_by_filter):
for entity in entities_by_filter['camera']:
mouse_overing = entity[MouseOveringCamera]
camera = entity[Camera]
input = entity[Input]
# Reset overed entity to None
mouse_overing.entity = None
mouse_overing.collision_entry = None
requested = 'mouse_over' in input.contexts
has_mouse = base.mouseWatcherNode.has_mouse()
if requested and has_mouse:
# Attach and align testing ray, and run collisions
self.picker_node_path.reparent_to(camera.camera)
mpos = base.mouseWatcherNode.get_mouse()
self.picker_ray.set_from_lens(
base.camNode,
mpos.getX(),
mpos.getY(),
)
self.traverser.traverse(camera.camera.get_top())
# Remember reference to mouseovered entity, if any
if self.queue.get_num_entries() > 0:
self.queue.sort_entries()
entry = self.queue.get_entry(0)
picked_node = entry.get_into_node_path()
picked_uid = picked_node.get_python_tag(
'wecs_mouseoverable')
mouse_overing.entity = picked_uid
mouse_overing.collision_entry = entry
