Require pyglet<1.4 for now

After all, it doesn't exactly make sense for saturn's moons and mercury to have more detailed textures than larger objects like the sun or venus.

Also used one single texture to do the transparency mask for the glow, instead of having separate textures for each glowy object.

.gitignore

@@ -62,3 +62,7 @@ library.zip
 
 # Our special launcher
 !/punyverse/launcher.c
+
+# macOS
+.DS_Store
+._.DS_Store

MANIFEST.in

@@ -5,4 +5,5 @@ include punyverse/world.json
 graft punyverse/assets
 include punyverse/shaders/*.glsl
 include punyverse/*.c
+include punyverse/*.h
 exclude punyverse/*.pyx

README.md

@@ -1,4 +1,4 @@
-# punyverse [![Linux Build Status](https://img.shields.io/travis/quantum5/punyverse.svg?logo=linux)](https://travis-ci.org/quantum5/punyverse) [![Windows Build Status](https://img.shields.io/appveyor/ci/quantum5/punyverse.svg?logo=windows)](https://ci.appveyor.com/project/quantum5/punyverse) [![PyPI](https://img.shields.io/pypi/v/punyverse.svg)](https://pypi.org/project/punyverse/) [![PyPI - Format](https://img.shields.io/pypi/format/punyverse.svg)](https://pypi.org/project/punyverse/) [![PyPI - Python Version](https://img.shields.io/pypi/pyversions/punyverse.svg)](https://pypi.org/project/punyverse/)
+# punyverse [![Linux Build Status](https://img.shields.io/travis/quantum5/punyverse.svg?logo=linux&logoColor=white)](https://travis-ci.org/quantum5/punyverse) [![Windows Build Status](https://img.shields.io/appveyor/ci/quantum5/punyverse.svg?logo=windows)](https://ci.appveyor.com/project/quantum5/punyverse) [![PyPI](https://img.shields.io/pypi/v/punyverse.svg)](https://pypi.org/project/punyverse/) [![PyPI - Format](https://img.shields.io/pypi/format/punyverse.svg)](https://pypi.org/project/punyverse/) [![PyPI - Python Version](https://img.shields.io/pypi/pyversions/punyverse.svg)](https://pypi.org/project/punyverse/)
 
 Python simulator of a puny universe. (How many words can I stick into one?)
 

punyverse/_cyopengl.pxi

@@ -1,8 +1,4 @@
-IF UNAME_SYSNAME == "Windows":
-    cdef extern from "windows.h":
-        pass
-
-cdef extern from "GL/gl.h":
+cdef extern from "glwrapper.h":
     ctypedef unsigned int   GLenum
     ctypedef unsigned char  GLboolean
     ctypedef unsigned int   GLbitfield

punyverse/assets/textures.txt

@@ -1,7 +1,9 @@
 # This file contains all the textures that is bigger than the minimum OpenGL texture size
 # and hence may need to be resized depending on the machine
 
+sun.jpg
 mercury.jpg
+venus.jpg
 earth.jpg
 earth_normal.jpg
 earth_emission.jpg
@@ -11,6 +13,8 @@ moon.jpg
 mars.jpg
 jupiter.jpg
 saturn.jpg
+uranus.jpg
+neptune.jpg
 sky_px.jpg
 sky_py.jpg
 sky_pz.jpg

punyverse/entity.py

@@ -388,8 +388,9 @@ class SphericalBody(Body):
 
         if 'atmosphere' in info:
             atmosphere_data = info['atmosphere']
-            atm_size = world.evaluate(atmosphere_data.get('diffuse_size', None))
-            atm_texture = atmosphere_data.get('diffuse_texture', None)
+            atm_size = world.evaluate(atmosphere_data.get('glow_size', None))
+            atm_texture = atmosphere_data.get('glow_texture', None)
+            atm_color = atmosphere_data.get('glow_color', None)
             cloud_texture = atmosphere_data.get('cloud_texture', None)
             if cloud_texture is not None:
                 self.cloud_transparency = get_best_texture(cloud_texture, loader=load_alpha_mask)
@@ -405,8 +406,9 @@ class SphericalBody(Body):
                                             self.clouds.stride, self.clouds.uv_offset)
                     glBindBuffer(GL_ARRAY_BUFFER, 0)
 
-            if atm_texture is not None:
+            if atm_texture is not None and atm_color is not None:
                 self.atm_texture = load_texture_1d(atm_texture, clamp=True)
+                self.atm_color = atm_color
                 self.atmosphere = Disk(self.radius, self.radius + atm_size, 30)
                 self.atmosphere_vao = VAO()
                 shader = self.world.activate_shader('atmosphere')
@@ -513,7 +515,8 @@ class SphericalBody(Body):
         shader.uniform_mat4('u_mvpMatrix', self.world.projection_matrix() * matrix)
 
         glBindTexture(GL_TEXTURE_1D, self.atm_texture)
-        shader.uniform_texture('u_texture', 0)
+        shader.uniform_texture('u_transparency', 0)
+        shader.uniform_vec3('u_color', *self.atm_color)
 
         with self.atmosphere_vao:
             glDrawArrays(GL_TRIANGLE_STRIP, 0, self.atmosphere.vertex_count)

punyverse/glwrapper.h

@@ -0,0 +1,9 @@
+#ifdef _MSC_VER
+#   include <windows.h>
+#endif
+
+#ifdef __APPLE__
+#   include <OpenGL/gl.h>
+#else
+#   include <GL/gl.h>
+#endif

punyverse/loader.py

@@ -134,10 +134,10 @@ class LoaderWindow(pyglet.window.Window):
             self.flip()
             self.dispatch_events()
 
-    def load(self):
+    def load(self, **kwargs):
         start = time.clock()
         with glContext(self._main_context):
-            world = World('world.json', self._load_callback)
+            world = World('world.json', self._load_callback, **kwargs)
         print('Loaded in %s seconds.' % (time.clock() - start))
         return world
 
@@ -167,10 +167,10 @@ class LoaderConsole(object):
     def _load_callback(self, phase, message, progress):
         print(message, file=self._output)
 
-    def load(self):
+    def load(self, **kwargs):
         start = time.clock()
         with glContext(self._main_context):
-            world = World('world.json', self._load_callback)
+            world = World('world.json', self._load_callback, **kwargs)
         print('Loaded in %s seconds.' % (time.clock() - start), file=self._output)
         return world
 

punyverse/main.py

@@ -1,4 +1,5 @@
 import argparse
+import sys
 
 import pyglet
 
@@ -8,9 +9,12 @@ DEBUG = False
 
 
 def main():
+    macos = sys.platform == 'darwin'
+
     parser = argparse.ArgumentParser(prog='punyverse', description='''
             Python simulator of a puny universe.
         ''')
+    parser.set_defaults(sky=not macos)
     parser.add_argument('-D', '--debug', help='Enable pyglet OpenGL debugging', action='store_true')
     parser.add_argument('-d', '--high-depth', help='Use a larger depth buffer',
                         const=32, default=24, dest='depth', nargs='?', type=int)
@@ -20,14 +24,21 @@ def main():
                         action='store_false', dest='vsync')
     parser.add_argument('-n', '--normal', help='Enables the use of normal maps',
                         action='store_true')
+    parser.add_argument('-s', '--sky', help='Enables the sky', dest='sky',
+                        action='store_true')
+    parser.add_argument('-S', '--no-sky', help='Disables the sky', dest='sky',
+                        action='store_false')
     args = parser.parse_args()
 
+    versioning = dict(major_version=3, minor_version=3)
     pyglet.options['debug_gl'] = args.debug
+    if macos:
+        pyglet.options['shadow_window'] = False
+        versioning = dict(major_version=4, minor_version=1, forward_compatible=True)
 
     template = pyglet.gl.Config(depth_size=args.depth, double_buffer=True,
                                 sample_buffers=args.multisample > 1,
-                                samples=args.multisample,
-                                major_version=3, minor_version=3)
+                                samples=args.multisample, **versioning)
 
     platform = pyglet.window.get_platform()
     display = platform.get_default_display()
@@ -64,7 +75,7 @@ def main():
         loader.context.set_current()
 
     loader.set_main_context(punyverse.context)
-    world = loader.load()
+    world = loader.load(sky=args.sky)
     punyverse.context.set_current()
     punyverse.initialize(world)
     loader.close()

punyverse/shaders/atmosphere.fragment.glsl

@@ -3,8 +3,10 @@
 in float v_u;
 
 out vec4 o_fragColor;
-uniform sampler1D u_texture;
+
+uniform vec3 u_color;
+uniform sampler1D u_transparency;
 
 void main() {
-    o_fragColor = texture(u_texture, v_u);
+    o_fragColor = vec4(u_color, texture(u_transparency, v_u).r);
 }

punyverse/shaders/model.fragment.glsl

@@ -34,7 +34,7 @@ void main() {
     float diffuseIntensity = max(dot(v_normal, incident), 0.0);
     float shininess = pow(max(dot(normalize(v_camDirection), reflected), 0), u_material.shininess);
 
-    vec3 diffuse = u_material.hasDiffuse ? texture2D(u_material.diffuseMap, v_uv).rgb : vec3(1);
+    vec3 diffuse = u_material.hasDiffuse ? texture(u_material.diffuseMap, v_uv).rgb : vec3(1);
     vec3 ambient = u_material.ambient * u_sun.ambient * diffuse;
     vec3 specular = u_material.specular * u_sun.specular * max(shininess, 0) * diffuseIntensity;
     diffuse *= u_material.diffuse * u_sun.diffuse * diffuseIntensity;

punyverse/shaders/planet.fragment.glsl

@@ -35,10 +35,10 @@ uniform Sun u_sun;
 uniform Surface u_planet;
 
 void main() {
-    vec3 normal = u_planet.hasNormal ? normalize(v_TBN * texture2D(u_planet.normalMap, v_uv).rgb * 2 - 1) : v_normal;
-    vec3 diffuse = texture2D(u_planet.diffuseMap, v_uv).rgb;
-    vec3 specular = u_planet.hasSpecular ? texture2D(u_planet.specularMap, v_uv).rgb : vec3(1);
-    vec3 emission = u_planet.hasEmission ? texture2D(u_planet.emissionMap, v_uv).rgb : vec3(1);
+    vec3 normal = u_planet.hasNormal ? normalize(v_TBN * texture(u_planet.normalMap, v_uv).rgb * 2 - 1) : v_normal;
+    vec3 diffuse = texture(u_planet.diffuseMap, v_uv).rgb;
+    vec3 specular = u_planet.hasSpecular ? texture(u_planet.specularMap, v_uv).rgb : vec3(1);
+    vec3 emission = u_planet.hasEmission ? texture(u_planet.emissionMap, v_uv).rgb : vec3(1);
 
     vec3 incident = normalize(u_sun.position - v_position);
     vec3 reflected = normalize(reflect(-incident, normal));

punyverse/texture.py

@@ -131,10 +131,6 @@ def check_size(width, height):
     if width > max_texture or height > max_texture:
         print('too large')
         raise ValueError('Texture too large')
-    elif not gl_info.have_version(2) and not gl_info.have_extension('GL_ARB_texture_non_power_of_two'):
-        if not is_power2(width) or not is_power2(height):
-            print('not power of two')
-            raise ValueError('Texture not power of two')
 
 
 def load_image(file, path):
@@ -217,12 +213,8 @@ def load_texture(file, clamp=False):
 
     id = create_texture()
     glBindTexture(GL_TEXTURE_2D, id)
-
-    if gl_info.have_version(3) or gl_info.have_extension('GL_ARB_framebuffer_object'):
-        glTexImage2D(GL_TEXTURE_2D, 0, get_internal_mode(mode), width, height, 0, mode, GL_UNSIGNED_BYTE, texture)
-        glGenerateMipmap(GL_TEXTURE_2D)
-    else:
-        gluBuild2DMipmaps(GL_TEXTURE_2D, depth, width, height, mode, GL_UNSIGNED_BYTE, texture)
+    glTexImage2D(GL_TEXTURE_2D, 0, get_internal_mode(mode), width, height, 0, mode, GL_UNSIGNED_BYTE, texture)
+    glGenerateMipmap(GL_TEXTURE_2D)
 
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR)
@@ -245,11 +237,8 @@ def load_texture_1d(file, clamp=False):
     id = create_texture()
     glBindTexture(GL_TEXTURE_1D, id)
 
-    if gl_info.have_version(3) or gl_info.have_extension('GL_ARB_framebuffer_object'):
-        glTexImage1D(GL_TEXTURE_1D, 0, get_internal_mode(mode), width, 0, mode, GL_UNSIGNED_BYTE, texture)
-        glGenerateMipmap(GL_TEXTURE_1D)
-    else:
-        gluBuild1DMipmaps(GL_TEXTURE_1D, depth, width, mode, GL_UNSIGNED_BYTE, texture)
+    glTexImage1D(GL_TEXTURE_1D, 0, get_internal_mode(mode), width, 0, mode, GL_UNSIGNED_BYTE, texture)
+    glGenerateMipmap(GL_TEXTURE_1D)
 
     if clamp:
         glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE)
@@ -272,12 +261,8 @@ def load_alpha_mask(file, clamp=False):
     id = buffer.value
 
     glBindTexture(GL_TEXTURE_2D, id)
-
-    if gl_info.have_version(3) or gl_info.have_extension('GL_ARB_framebuffer_object'):
-        glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, width, height, 0, GL_RED, GL_UNSIGNED_BYTE, texture)
-        glGenerateMipmap(GL_TEXTURE_2D)
-    else:
-        gluBuild2DMipmaps(GL_TEXTURE_2D, 1, width, height, GL_RED, GL_UNSIGNED_BYTE, texture)
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, width, height, 0, GL_RED, GL_UNSIGNED_BYTE, texture)
+    glGenerateMipmap(GL_TEXTURE_2D)
 
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR)

punyverse/ui.py

@@ -199,6 +199,8 @@ class Punyverse(pyglet.window.Window):
         if not width or not height:
             # Sometimes this happen for no reason?
             return
+        if hasattr(self, 'get_viewport_size'):
+            width, height = self.get_viewport_size()
         glViewport(0, 0, width, height)
         self.world.resize(width, height)
 

punyverse/world.json

@@ -7,7 +7,7 @@
     "distance": "virtual distance to look better, in km",
     "sma": "semi-major axis used with mass of parent to calculate orbit, in km",
     "mass": "mass in kg",
-    "texture": "a group of texture to use, tried in that order. a list means a colour",
+    "texture": "a group of texture to use, tried in that order",
     "model": "used to load a wavefront object instead of a textured sphere"
   },
   "au": 10000,
@@ -24,8 +24,9 @@
       "light_source": true,
       "type": "star",
       "atmosphere": {
-        "diffuse_texture": "sun_diffuse.png",
-        "diffuse_size": 300
+        "glow_color": [0.92, 0.92, 0.82],
+        "glow_texture": "glow.png",
+        "glow_size": 300
       }
     },
     "mercury": {
@@ -61,8 +62,9 @@
       "emission_map": ["earth_emission.jpg", "earth_emission_medium.jpg", "earth_emission_small.jpg"],
       "atmosphere": {
         "cloud_texture": ["cloudmap.jpg", "cloudmap_small.jpg"],
-        "diffuse_texture": "atmosphere_earth.png",
-        "diffuse_size": 30
+        "glow_color": [0.11, 0.32, 0.43],
+        "glow_texture": "glow.png",
+        "glow_size": 30
       },
       "orbit_distance": "AU",
       "satellites": {

punyverse/world.py

@@ -30,7 +30,7 @@ class World(object):
         'belt': ('belt.vertex.glsl', 'model.fragment.glsl'),
     }
 
-    def __init__(self, file, callback):
+    def __init__(self, file, callback, sky=True):
         self.tracker = []
         self.x = None
         self.y = None
@@ -40,6 +40,8 @@ class World(object):
         self.asteroids = AsteroidManager(self)
         self.cam = Camera()
 
+        self._sky = sky
+
         self._program = None
         self.callback = callback
         self.programs = self._load_programs()
@@ -127,7 +129,7 @@ class World(object):
                               'Loading %s.' % name, i / belt_count)
                 self.tracker.append(Belt(name, self, info))
 
-        if 'sky' in root:
+        if 'sky' in root and self._sky:
             def callback(index, file):
                 self.callback('Loading sky...', 'Loading %s.' % file, index / 6)
             self.tracker.append(Sky(self, root['sky'], callback))

setup.py

@@ -26,9 +26,16 @@ else:
 
 if os.name == 'nt':
     gl_libs = ['opengl32']
+elif sys.platform == 'darwin':
+    gl_libs = []
 else:
     gl_libs = ['GL']
 
+if sys.platform == 'darwin':
+    extra_compile_args = extra_link_args = ['-framework', 'OpenGL']
+else:
+    extra_compile_args = extra_link_args = []
+
 with open(os.path.join(os.path.dirname(__file__), 'README.md')) as f:
     long_description = f.read()
 
@@ -105,7 +112,7 @@ else:
 
 setup(
     name='punyverse',
-    version='1.0',
+    version='1.2',
     packages=['punyverse'],
     package_data={
         'punyverse': [
@@ -124,7 +131,8 @@ setup(
         ],
     },
     ext_modules=cythonize([
-        Extension('punyverse._glgeom', sources=[pyx_path('punyverse/_glgeom.pyx')], libraries=gl_libs),
+        Extension('punyverse._glgeom', sources=[pyx_path('punyverse/_glgeom.pyx')], libraries=gl_libs,
+                  extra_compile_args=extra_compile_args, extra_link_args=extra_link_args),
     ]) + extra_libs,
     cmdclass={'build_ext': build_ext},
 
@@ -139,7 +147,7 @@ setup(
         ]
 
     },
-    install_requires=['pyglet', 'Pillow', 'six'],
+    install_requires=['pyglet<1.4', 'Pillow', 'six'],
 
     author='quantum',
     author_email='quantum2048@gmail.com',