def __init__(self, resource, position, progress, completed, parent_node):
"""Constructor.
:param resource: The building resource
:type resource: :class:`loaders.Resource`
:param position: The position of the building
:type position: :class:`tuple`
:param progress: The current amount of hp and the total one
:type progress: :class:`tuple`
:param completed: Whether the building is completed or not
:type completed: :class:`bool`
:param parent_node: The parent node in the scene graph
:type parent_node: :class:`renderer.scene.SceneNode`
"""
self._position = position
# Progress is going to be a property used to update only when necessary
# the health bar.
self._progress = progress
self.completed = completed
shader = resource['shader']
texture = Texture.from_image(resource['texture'])
self.mesh_project = resource['model_project']
self.mesh_complete = resource['model_complete']
# Setup the group node and add the health bar
group_node = SceneNode()
g_transform = group_node.transform
g_transform.translate(to_scene(*position))
parent_node.add_child(group_node)
self.health_bar = HealthBar(
resource['health_bar'], progress[0] / progress[1], group_node)
params = {
'tex': texture,
}
# create components
renderable = Renderable(
group_node,
self.mesh,
shader,
params,
textures=[texture],
enable_light=True)
# initialize entity
super().__init__(renderable)
# FIXME: hardcoded bounding box
self._bounding_box = Vec(-0.5, 0, -0.5), Vec(0.5, 2, 0.5)
def __init__(self, resource, actor_type, health, parent_node):
"""Constructor.
:param resource: The character resource
:type resource: :class:`loaders.Resource`
:param health: The current amount of hp and the total one
:type health: :class:`tuple`
:param parent_node: The parent node in the scene graph
:type parent_node: :class:`renderer.scene.SceneNode`
"""
self.actor_type = actor_type
# Health is going to be a property used to update only when necessary
# the health bar.
self._health = health
shader = resource['shader']
mesh = resource['model']['mesh']
md = resource['model']['mesh_data']
# root transformation to apply to the mesh
self.transform = md.transform
# instantiate animations
self.init_animations(md)
self.current_anim = self.animations[action_anim_index(ActionType.idle)]
texture = Texture.from_image(resource['texture'])
# shader params
params = {
'tex': texture,
'opacity': 1.0,
'color_ambient': Vec(0, 0, 0, 1),
'color_diffuse': Vec(0, 0, 0, 1),
'color_specular': Vec(0.1, 0.1, 0.1, 1),
}
# Initialize movable component
movable = Movable((0.0, 0.0))
# Setup the group node and add the health bar
# FIXME: I don't like the idea of saving the group node here. We need
# something better here.
self.group_node = SceneNode()
g_transform = self.group_node.transform
g_transform.translate(to_scene(*movable.position))
parent_node.add_child(self.group_node)
self.health_bar = HealthBar(
resource['health_bar'], health[0] / health[1], self.group_node,
resource.data.get('hb_y_offset'))
# create components
renderable = Renderable(
self.group_node,
mesh,
shader,
params,
textures=[texture],
enable_light=True,
animation=self.current_anim)
# by default, start with playing animation
renderable.animate = True
# initialize actor
super().__init__(renderable, movable)
# FIXME: hardcoded bounding box
self._bounding_box = Vec(-0.5, 0, -0.5), Vec(0.5, 2, 0.5)
self.heading = 0.0
class Building(Entity):
"""Game entity which represents a building."""
def __init__(self, resource, position, progress, completed, parent_node):
"""Constructor.
:param resource: The building resource
:type resource: :class:`loaders.Resource`
:param position: The position of the building
:type position: :class:`tuple`
:param progress: The current amount of hp and the total one
:type progress: :class:`tuple`
:param completed: Whether the building is completed or not
:type completed: :class:`bool`
:param parent_node: The parent node in the scene graph
:type parent_node: :class:`renderer.scene.SceneNode`
"""
self._position = position
# Progress is going to be a property used to update only when necessary
# the health bar.
self._progress = progress
self.completed = completed
shader = resource['shader']
texture = Texture.from_image(resource['texture'])
self.mesh_project = resource['model_project']
self.mesh_complete = resource['model_complete']
# Setup the group node and add the health bar
group_node = SceneNode()
g_transform = group_node.transform
g_transform.translate(to_scene(*position))
parent_node.add_child(group_node)
self.health_bar = HealthBar(
resource['health_bar'], progress[0] / progress[1], group_node)
params = {
'tex': texture,
}
# create components
renderable = Renderable(
group_node,
self.mesh,
shader,
params,
textures=[texture],
enable_light=True)
# initialize entity
super().__init__(renderable)
# FIXME: hardcoded bounding box
self._bounding_box = Vec(-0.5, 0, -0.5), Vec(0.5, 2, 0.5)
@property
def mesh(self):
"""Returns the appropriate mesh based on the building status.
:returns: The appropriate mesh
:rtype: :class:`renderer.Mesh`
"""
if not self.completed:
return self.mesh_project
else:
return self.mesh_complete
@property
def progress(self):
"""Returns the progress of the building as a tuple current/total.
:returns: The progress of the building
:rtype: :class:`tuple`
"""
return self._progress
@progress.setter
def progress(self, value):
"""Sets the progress of the building.
Propagate the modification to the buliding health bar.
:param value: The new progress
:type value: :class:`tuple`
"""
self._progress = value
self.health_bar.value = value[0] / value[1]
@property
def position(self):
"""The position of the entity in world coordinates.
:returns: The position
:rtype: :class:`tuple`
"""
return self._position
@property
def bounding_box(self):
"""The bounding box of the entity.
The bounding box is represented by the smaller and bigger edge of the box
itself.
:returns: The bounding box of the actor
:rtype: :class:`tuple`
"""
l, m = self._bounding_box
pos = self.position
return l + Vec(pos[0], 0, pos[1]), m + Vec(pos[0], 0, pos[1])
def destroy(self):
"""Removes itself from the scene.
"""
LOG.debug('Destroying building {}'.format(self.e_id))
# Destroys the health bar first.
self.health_bar.destroy()
node = self[Renderable].node
node.parent.remove_child(node)
def update(self, dt):
"""Updates the building.
Applies the status of the building in terms of shader params and meshes.
:param dt: Time delta from last update.
:type dt: float
"""
node = self[Renderable].node
node.mesh = self.mesh
# Update the health bar
self.health_bar.update(dt)
class Actor(Entity):
"""Game entity which represents an actor."""
# *FIXME* *FIXME* *FIXME*
# REFACTOR THIS!!!
TRANSFORMS = {
ActorType.grunt: (pi, 0.12),
ActorType.programmer: (pi, 0.022),
ActorType.engineer: (pi, 5.5),
ActorType.zombie: (pi, 0.05),
}
def init_animations(self, mesh_data):
self.animations = {}
for i in range(3):
try:
self.animations[i] = AnimationInstance(mesh_data.animations[i])
except IndexError:
self.animations[i] = None
def __init__(self, resource, actor_type, health, parent_node):
"""Constructor.
:param resource: The character resource
:type resource: :class:`loaders.Resource`
:param health: The current amount of hp and the total one
:type health: :class:`tuple`
:param parent_node: The parent node in the scene graph
:type parent_node: :class:`renderer.scene.SceneNode`
"""
self.actor_type = actor_type
# Health is going to be a property used to update only when necessary
# the health bar.
self._health = health
shader = resource['shader']
mesh = resource['model']['mesh']
md = resource['model']['mesh_data']
# root transformation to apply to the mesh
self.transform = md.transform
# instantiate animations
self.init_animations(md)
self.current_anim = self.animations[action_anim_index(ActionType.idle)]
texture = Texture.from_image(resource['texture'])
# shader params
params = {
'tex': texture,
'opacity': 1.0,
'color_ambient': Vec(0, 0, 0, 1),
'color_diffuse': Vec(0, 0, 0, 1),
'color_specular': Vec(0.1, 0.1, 0.1, 1),
}
# Initialize movable component
movable = Movable((0.0, 0.0))
# Setup the group node and add the health bar
# FIXME: I don't like the idea of saving the group node here. We need
# something better here.
self.group_node = SceneNode()
g_transform = self.group_node.transform
g_transform.translate(to_scene(*movable.position))
parent_node.add_child(self.group_node)
self.health_bar = HealthBar(
resource['health_bar'], health[0] / health[1], self.group_node,
resource.data.get('hb_y_offset'))
# create components
renderable = Renderable(
self.group_node,
mesh,
shader,
params,
textures=[texture],
enable_light=True,
animation=self.current_anim)
# by default, start with playing animation
renderable.animate = True
# initialize actor
super().__init__(renderable, movable)
# FIXME: hardcoded bounding box
self._bounding_box = Vec(-0.5, 0, -0.5), Vec(0.5, 2, 0.5)
self.heading = 0.0
@property
def health(self):
"""Returns the health of the character as a tuple current/total.
:returns: The health of the character
:rtype: :class:`tuple`
"""
return self._health
@health.setter
def health(self, value):
"""Sets the health of the character.
Propagate the modification to the buliding health bar.
:param value: The new health
:type value: :class:`tuple`
"""
self._health = value
self.health_bar.value = value[0] / value[1]
@property
def position(self):
"""The position of the actor in world coordinates.
:returns: The position
:rtype: :class:`tuple`
"""
return self[Movable].position
@property
def bounding_box(self):
"""The bounding box of the entity.
The bounding box is represented by the smaller and bigger edge of the box
itself.
:returns: The bounding box of the actor
:rtype: :class:`tuple`
"""
l, m = self._bounding_box
pos = self.position
return l + Vec(pos[0], 0, pos[1]), m + Vec(pos[0], 0, pos[1])
def orientate(self):
"""Orientate the character towards the current destination.
"""
direction = self[Movable].direction
if direction:
dx = direction.x
dy = direction.y
if dx:
target_heading = atan(dy / dx) + (pi / 2) * copysign(1, dx)
else:
target_heading = pi if dy > 0 else 0
# Compute remaining rotation
delta = target_heading - self.heading
abs_delta = abs(delta)
if abs_delta > WHOLE_ANGLE / 2:
abs_delta = WHOLE_ANGLE - abs(delta)
delta = -delta
# tweak speed (XXX: make it more rational)
rot_speed = abs_delta * 2 * pi / 40
if abs_delta < rot_speed * 2:
# Rotation is complete within a small error.
# Force it to the exact value:
self.heading = target_heading
return
self.heading += copysign(1, delta) * rot_speed
# normalize angle to be in (-pi, pi)
if self.heading >= WHOLE_ANGLE / 2:
self.heading = -WHOLE_ANGLE + self.heading
if self.heading < -WHOLE_ANGLE / 2:
self.heading = WHOLE_ANGLE + self.heading
def destroy(self):
"""Removes itself from the scene.
"""
LOG.debug('Destroying character {}'.format(self.e_id))
node = self.group_node
node.parent.remove_child(node)
def set_action(self, action_type):
"""Sets current player action.
:param action_type: Action to set.
:type action_type: :class:`game.entities.actor.ActionType`
"""
anim = self.animations[action_anim_index(action_type)]
self[Renderable].animation = self.current_anim = anim
def update(self, dt):
"""Update the character.
This method computes character's game logic as a function of time.
:param dt: Time delta from last update.
:type dt: float
"""
self[Movable].update(dt)
x, y = self[Movable].position
# FIXME: I don't like the idea of saving the group node here. We need
# something better here.
g_t = self.group_node.transform
g_t.identity()
g_t.translate(to_scene(x, y))
rot, scale = self.TRANSFORMS[self.actor_type]
t = self[Renderable].transform
t.identity()
t *= self.transform
t.rotate(Vec(0, 1, 0), rot) # FIXME
t.rotate(Vec(0, 1, 0), -self.heading)
t.scale(Vec(scale, scale, scale))
self.orientate()
# Update the health bar
self.health_bar.update(dt)
# play animation
if self.current_anim:
self.current_anim.play(dt)
