def __init__(self, ctx):
# TODO: Support querying a subset of these queries (faster)
# TODO: Evalute of this query should be included
# gl.GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN
# gl.GL_ANY_SAMPLES_PASSED
self._ctx = ctx
self._glo_samples_passed = glo_samples_passed = gl.GLuint()
gl.glGenQueries(1, self._glo_samples_passed)
self._glo_time_elapsed = glo_time_elapsed = gl.GLuint()
gl.glGenQueries(1, self._glo_time_elapsed)
self._glo_primitives_generated = glo_time_elapsed = gl.GLuint()
gl.glGenQueries(1, self._glo_primitives_generated)
glos = [glo_samples_passed, glo_time_elapsed, glo_time_elapsed]
weakref.finalize(self, Query.release, self._ctx, glos)
def __init__(self, world, chunk_position):
self.world = world
self.shader_chunk_offset_location = self.world.shader.find_uniform(b"u_ChunkPosition")
self.modified = False
self.chunk_position = chunk_position
self.position = (
self.chunk_position[0] * CHUNK_WIDTH,
self.chunk_position[1] * CHUNK_HEIGHT,
self.chunk_position[2] * CHUNK_LENGTH)
self.blocks = [[[0 for z in range(CHUNK_LENGTH)]
for y in range(CHUNK_HEIGHT)]
for x in range(CHUNK_WIDTH)]
# Numpy is really slow there
self.lightmap = [[[0 for z in range(CHUNK_LENGTH)]
for y in range(CHUNK_HEIGHT)]
for x in range(CHUNK_WIDTH)]
self.subchunks = {}
self.chunk_update_queue = deque()
for x in range(int(CHUNK_WIDTH / subchunk.SUBCHUNK_WIDTH)):
for y in range(int(CHUNK_HEIGHT / subchunk.SUBCHUNK_HEIGHT)):
for z in range(int(CHUNK_LENGTH / subchunk.SUBCHUNK_LENGTH)):
self.subchunks[(x, y, z)] = subchunk.Subchunk(self, (x, y, z))
# mesh variables
self.mesh = []
self.translucent_mesh = []
self.mesh_quad_count = 0
self.translucent_quad_count = 0
# create VAO and VBO's
self.vao = gl.GLuint(0)
gl.glGenVertexArrays(1, self.vao)
gl.glBindVertexArray(self.vao)
self.vbo = gl.GLuint(0)
gl.glGenBuffers(1, self.vbo)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, self.vbo)
gl.glBufferData(gl.GL_ARRAY_BUFFER, ctypes.sizeof(gl.GLfloat * CHUNK_WIDTH * CHUNK_HEIGHT * CHUNK_LENGTH * 7), None, gl.GL_DYNAMIC_DRAW)
gl.glVertexAttribPointer(0, 3, gl.GL_FLOAT,
gl.GL_FALSE, 7 * ctypes.sizeof(gl.GLfloat), 0)
gl.glEnableVertexAttribArray(0)
gl.glVertexAttribPointer(1, 1, gl.GL_FLOAT,
gl.GL_FALSE, 7 * ctypes.sizeof(gl.GLfloat), 3 * ctypes.sizeof(gl.GLfloat))
gl.glEnableVertexAttribArray(1)
gl.glVertexAttribPointer(2, 1, gl.GL_FLOAT,
gl.GL_FALSE, 7 * ctypes.sizeof(gl.GLfloat), 4 * ctypes.sizeof(gl.GLfloat))
gl.glEnableVertexAttribArray(2)
gl.glVertexAttribPointer(3, 1, gl.GL_FLOAT,
gl.GL_FALSE, 7 * ctypes.sizeof(gl.GLfloat), 5 * ctypes.sizeof(gl.GLfloat))
gl.glEnableVertexAttribArray(3)
gl.glVertexAttribPointer(4, 1, gl.GL_FLOAT,
gl.GL_FALSE, 7 * ctypes.sizeof(gl.GLfloat), 6 * ctypes.sizeof(gl.GLfloat))
gl.glEnableVertexAttribArray(4)
gl.glBindBuffer(gl.GL_ELEMENT_ARRAY_BUFFER, world.ibo)
if self.world.options.INDIRECT_RENDERING:
self.indirect_command_buffer = gl.GLuint(0)
gl.glGenBuffers(1, self.indirect_command_buffer)
gl.glBindBuffer(gl.GL_DRAW_INDIRECT_BUFFER, self.indirect_command_buffer)
gl.glBufferData(
gl.GL_DRAW_INDIRECT_BUFFER,
ctypes.sizeof(gl.GLuint * 10),
None,
gl.GL_DYNAMIC_DRAW
)
self.draw_commands = []
self.occlusion_query = gl.GLuint(0)
gl.glGenQueries(1, self.occlusion_query)