154 lines
5.3 KiB
Python
154 lines
5.3 KiB
Python
"""
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RenderPipeline
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Copyright (c) 2014-2016 tobspr <tobias.springer1@gmail.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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"""
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from panda3d.core import TransparencyAttrib, Vec3, Texture, SamplerState
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from direct.gui.OnscreenImage import OnscreenImage
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from rpcore.rpobject import RPObject
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from rpcore.loader import RPLoader
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class Sprite(RPObject):
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""" Simple wrapper arround OnscreenImage, providing a simpler interface """
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def __init__(self, image=None, parent=None, x=0, y=0, w=None, h=None,
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transparent=True, near_filter=True, any_filter=True):
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""" Creates a new image, taking (x,y) as topleft coordinates.
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When near_filter is set to true, a near filter will be set to the
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texture passed. This provides sharper images.
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When any_filter is set to false, the passed image won't be modified at
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all. This enables you to display existing textures, otherwise the
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texture would get a near filter in the 3D View, too. """
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RPObject.__init__(self)
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if not isinstance(image, Texture):
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if not isinstance(image, str):
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self.warn("Invalid argument to image parameter:", image)
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return
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image = RPLoader.load_texture(image)
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if w is None or h is None:
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w, h = image.get_x_size(), image.get_y_size()
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else:
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if w is None or h is None:
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w = 10
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h = 10
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self._width, self._height = w, h
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self._initial_pos = self._translate_pos(x, y)
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self.node = OnscreenImage(
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image=image, parent=parent, pos=self._initial_pos,
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scale=(self._width / 2.0, 1, self._height / 2.0))
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if transparent:
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self.node.set_transparency(TransparencyAttrib.M_alpha)
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tex = self.node.get_texture()
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# Apply a near filter, but only if the parent has no scale, otherwise
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# it will look weird
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if near_filter and any_filter and parent.get_sx() == 1.0:
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tex.set_minfilter(SamplerState.FT_nearest)
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tex.set_magfilter(SamplerState.FT_nearest)
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if any_filter:
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tex.set_anisotropic_degree(8)
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tex.set_wrap_u(SamplerState.WM_clamp)
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tex.set_wrap_v(SamplerState.WM_clamp)
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def get_initial_pos(self):
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""" Returns the initial position of the image. This can be used for
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animations """
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return self._initial_pos
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def pos_interval(self, *args, **kwargs):
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""" Returns a pos interval, this is a wrapper around
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NodePath.posInterval """
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return self.node.posInterval(*args, **kwargs)
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def hpr_interval(self, *args, **kwargs):
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""" Returns a hpr interval, this is a wrapper around
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NodePath.hprInterval """
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return self.node.hprInterval(*args, **kwargs)
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def color_scale_interval(self, *args, **kwargs):
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""" Returns a color scale interval, this is a wrapper around
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NodePath.colorScaleInterval """
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return self.node.colorScaleInterval(*args, **kwargs)
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def set_image(self, img):
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""" Sets the current image """
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self.node.set_image(img)
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def get_width(self):
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""" Returns the width of the image in pixels """
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return self._width
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def get_height(self):
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""" Returns the height of the image in pixels """
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return self._height
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def set_pos(self, x, y):
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""" Sets the position """
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self.node.set_pos(self._translate_pos(x, y))
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def _translate_pos(self, x, y):
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""" Converts 2d coordinates to pandas coordinate system """
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return Vec3(x + self._width / 2.0, 1, -y - self._height / 2.0)
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def set_shader(self, shader):
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""" Sets a shader to be used for rendering the image """
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self.node.set_shader(shader)
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def set_shader_input(self, *args):
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""" Sets a shader input on the image """
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self.node.set_shader_input(*args)
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def set_shader_inputs(self, **kwargs):
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""" Sets multiple shader inputs on the image """
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self.node.set_shader_inputs(**kwargs)
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def remove(self):
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""" Removes the image """
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self.node.remove()
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def hide(self):
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""" Hides the image """
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self.node.hide()
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def show(self):
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""" Shows the image if it was previously hidden """
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self.node.show()
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def is_hidden(self):
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""" Returns whether the image is hidden """
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return self.node.is_hidden()
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