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import glfw
import typing
from OpenGL import GL
if typing.TYPE_CHECKING:
from .app import TxtGameApp
class PlatformError(Exception):
pass
class PlatformComponent:
def __init__(self, app: 'TxtGameApp'):
self.app = app
self.window = None
def init(self):
glfw.init()
self.init_window()
glfw.make_context_current(self.window)
@staticmethod
def monotonic_time():
return glfw.get_time()
@staticmethod
def enable_vsync():
glfw.swap_interval(1)
def init_window(self):
glfw.window_hint(glfw.CLIENT_API, glfw.OPENGL_API)
glfw.window_hint(glfw.RESIZABLE, glfw.FALSE)
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
self.window = glfw.create_window(
*self.app.size, self.app.name, None, None)
if not self.window:
raise PlatformError("Failed to initialize glfw window")
@property
def should_close(self) -> bool:
return glfw.window_should_close(self.window)
@should_close.setter
def should_close(self, val: bool):
glfw.set_window_should_close(val)
@staticmethod
def poll_events():
glfw.poll_events()
def cleanup(self):
glfw.destroy_window(self.window)
glfw.terminate()
def swap_buffers(self):
glfw.swap_buffers(self.window)
@staticmethod
def set_clear_color(r, g, b, a):
GL.glClearColor(r, g, b, a)
@staticmethod
def clear_background(depth_buffer=False):
GL.glClear(GL.GL_COLOR_BUFFER_BIT | (depth_buffer and GL.GL_DEPTH_BUFFER_BIT or 0))
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