VoxelEngine/main.py
2020-07-19 10:41:08 +02:00

545 lines
18 KiB
Python

import random
import sys
print('64' if sys.maxsize > 2 ** 32 else '32')
from wsgiref.validate import check_errors
from OpenGL.GL.ARB.vertex_array_object import glDeleteVertexArrays
from OpenGL.GL.framebufferobjects import glBindFramebuffer
from OpenGL.GLUT import *
import OpenGL.GLUT.freeglut
from OpenGL.GLU import *
from OpenGL.GL import *
from ctypes import sizeof, c_float, c_void_p, c_uint
import sys
import math as math
from Objects.Cube.Cube import *
from Objects.Cuboid.Cuboid import *
from Objects.Structure import *
from MatrixStuff.Transformations import *
from Lights.Lights import *
from Lights.LightingManager import *
import numpy as np
import time
name = b'ball_glut'
struct = None
cstruct = None
program_id = 0
program2_id = 0
program3_id = 0
start = time.time()
frames = 0
width = 1920
height = 1080
opening = 45
l = Light()
def main():
lm = LightingManager()
# lm.addRenderStep(0,0)
# lm.addRenderStep(1,1)
# lm.removeRenderStep(0,0)
glutInit(sys.argv)
w = width
h = height
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH)
glutInitWindowSize(w, h)
glutCreateWindow(name)
# glutEnterGameMode()
print("Vendor:", glGetString(GL_VENDOR))
print("Renderer:", glGetString(GL_RENDERER))
print("Version:", glGetString(GL_VERSION))
print("GLSL:", glGetString(GL_SHADING_LANGUAGE_VERSION))
c = Cube()
cuboid = Cuboid()
glClearColor(0., 0., 0., 1.)
# glShadeModel(GL_SMOOTH)
# glDisable(GL_CULL_FACE)
glEnable(GL_CULL_FACE)
glCullFace(GL_BACK)
glEnable(GL_TEXTURE_2D)
glEnable(GL_DEPTH_TEST)
# glEnable(GL_LIGHTING)
'''lightZeroPosition = [10.,4.,10.,1.]
lightZeroColor = [0.8,1.0,0.8,1.0] #green tinged
glLightfv(GL_LIGHT0, GL_POSITION, lightZeroPosition)
glLightfv(GL_LIGHT0, GL_DIFFUSE, lightZeroColor)
glLightf(GL_LIGHT0, GL_CONSTANT_ATTENUATION, 0.1)
glLightf(GL_LIGHT0, GL_LINEAR_ATTENUATION, 0.05)
glEnable(GL_LIGHT0)'''
glutDisplayFunc(display)
glutReshapeFunc(resize)
glutKeyboardFunc(keyboardHandler)
glutSpecialFunc(funcKeydHandler)
'''glMatrixMode(GL_PROJECTION)
gluPerspective(40.,1.,1.,40.)
glMatrixMode(GL_MODELVIEW)'''
# gluLookAt(0,0,10,
# 0,0,0,
# 0,1,0)
# glPushMatrix()
with open('passthroughvertex.glsl', 'r') as f:
vertex_shader_string = f.read()
passthrough_vertex_shader_id = glCreateShader(GL_VERTEX_SHADER)
glShaderSource(passthrough_vertex_shader_id, vertex_shader_string)
glCompileShader(passthrough_vertex_shader_id)
if glGetShaderiv(passthrough_vertex_shader_id, GL_COMPILE_STATUS) != GL_TRUE:
raise RuntimeError(glGetShaderInfoLog(passthrough_vertex_shader_id))
with open('vertex.glsl', 'r') as f:
vertex_shader_string = f.read()
vertex_shader_id = glCreateShader(GL_VERTEX_SHADER)
glShaderSource(vertex_shader_id, vertex_shader_string)
glCompileShader(vertex_shader_id)
if glGetShaderiv(vertex_shader_id, GL_COMPILE_STATUS) != GL_TRUE:
raise RuntimeError(glGetShaderInfoLog(vertex_shader_id))
with open('texturefragment.glsl', 'r') as f:
fragment_shader_string = f.read()
texturefragment_shader_id = glCreateShader(GL_FRAGMENT_SHADER)
glShaderSource(texturefragment_shader_id, fragment_shader_string)
glCompileShader(texturefragment_shader_id)
if glGetShaderiv(texturefragment_shader_id, GL_COMPILE_STATUS) != GL_TRUE:
raise RuntimeError(glGetShaderInfoLog(texturefragment_shader_id))
with open('fragment.glsl', 'r') as f:
fragment_shader_string = f.read()
fragment_shader_id = glCreateShader(GL_FRAGMENT_SHADER)
glShaderSource(fragment_shader_id, fragment_shader_string)
glCompileShader(fragment_shader_id)
if glGetShaderiv(fragment_shader_id, GL_COMPILE_STATUS) != GL_TRUE:
raise RuntimeError(glGetShaderInfoLog(fragment_shader_id))
global program_id, program2_id, program3_id
program_id = glCreateProgram()
glAttachShader(program_id, vertex_shader_id)
glAttachShader(program_id, Cube.GeometryShaderId)
# glAttachShader(program_id, Cuboid.GeometryShaderId)
glAttachShader(program_id, fragment_shader_id)
# glAttachShader(program_id, l.FragmentShaderId)
glLinkProgram(program_id)
global struct, cstruct
struct = Structure()
struct.addShape(program_id, Cube().translate(translate(0, 0, 1)).setColor(1, 1, 0))
# struct.addShape(program_id, Cube().translate(translate(1, 1, 0)).setColor(0, 0, 1))
# struct.addShape(program_id, Cube().translate(translate(1, 0, 0)).setColor(0, 1, 0))
# struct.addShape(program_id, Cube().translate(translate(1, -1, 0)).setColor(1, 0, 0))
# struct.addShape(program_id, Cube().translate(translate(0, -1, 0)).setColor(0, 1, 0))
# struct.addShape(program_id, Cube().translate(translate(-1, -1, 0)).setColor(0, 0, 1))
# struct.addShape(program_id, Cube().translate(translate(-1, 0, 0)).setColor(0, 1, 1))
# struct.addShape(program_id, Cube().translate(translate(-1, 1, 0)).setColor(1, 1, 1))
# struct.addShape(program_id, Cube().translate(translate(0, 1, 0)).setColor(0, 0, 1))
for x_pos in range(-10, 10, 1):
for y_pos in range(-10, 10):
struct.addShape(program_id, Cube().translate(translate(x_pos, y_pos, 0)).setColor(
random.randint(0, 100) / 100.0, random.randint(0, 100) / 100.0, random.randint(0, 100) / 100.0))
struct.buildvertexArrays()
# struct.clearVertexArrays()
cstruct = CompoundStructure()
cstruct.addStructure(struct)
program3_id = l.getDepthProgram(vertex_shader_id, Cube.GeometryShaderId)
program2_id = glCreateProgram()
glAttachShader(program2_id, passthrough_vertex_shader_id)
glAttachShader(program2_id, texturefragment_shader_id)
glLinkProgram(program2_id)
if glGetProgramiv(program_id, GL_LINK_STATUS) != GL_TRUE:
raise RuntimeError(glGetProgramInfoLog(program_id))
global vai, pbi, cbi, vai2, vai3
vai, pbi, cbi = create_vertex_buffers(np.array([0, 0, 1,
1, 1, 0,
1, 0, 0,
1, -1, 0,
0, -1, 0,
-1, -1, 0,
-1, 0, 0,
-1, 1, 0,
0, 1, 0], dtype=np.float32),
np.array([1, 1, 0,
0, 0, 1,
0, 1, 0,
1, 0, 0,
0, 1, 0,
0, 0, 1,
0, 1, 1,
1, 1, 1,
0, 0, 1], dtype=np.float32), program_id,
sizes=np.array(
[0.5, 1.5, 1.5,
0.5, 1.5, 1.5,
0.5, 1.5, 1.5], dtype=np.float32))
v = []
color = []
for i in range(-11, 12):
for j in range(-11, 12):
v.append(i)
v.append(j)
v.append(0)
color.append(1)
color.append(1)
color.append(1)
'''vai, pbi, cbi = create_vertex_buffers(np.array(v, dtype=np.float32),
np.array(color, dtype=np.float32), program_id,
sizes=np.array(
[0.5, 1.5, 1.5,
0.5, 1.5, 1.5,
0.5, 1.5, 1.5], dtype=np.float32))'''
vai2, _, _ = create_vertex_buffers(np.array([0.4, 0.4, 0,
1, 0.4, 0,
0.4, 1, 0,
0.4, 1, 0,
1, 0.4, 0,
1, 1, 0], dtype=np.float32),
np.array([0, 0, 0,
1, 0, 0,
0, 1, 0,
0, 1, 0,
1, 0, 0,
1, 1, 0], dtype=np.float32), program2_id)
vai3, _, _ = create_vertex_buffers(np.array([-1, -1, 0,
1, -1, 0,
-1, 1, 0,
-1, 1, 0,
1, -1, 0,
1, 1, 0], dtype=np.float32),
np.array([0, 0, 0,
1, 0, 0,
0, 1, 0,
0, 1, 0,
1, 0, 0,
1, 1, 0], dtype=np.float32), program2_id)
struct.render(projMatrix, rotate(rx, 0, 0))
glutMainLoop()
return
projMatrix = perspectiveMatrix(45.0, 400 / 400, 0.01, 100.0);
def check_error(message):
gl_error = glGetError()
if gl_error != GL_NO_ERROR:
print("Error: " + message)
if gluErrorString(gl_error):
print(gluErrorString(gl_error))
else:
print(hex(gl_error))
return True
return False
def create_vertex_buffers(positions, colors, program_id, sizes=np.array([])):
glEnableClientState(GL_VERTEX_ARRAY)
glEnableClientState(GL_TEXTURE_COORD_ARRAY)
glEnableClientState(GL_NORMAL_ARRAY)
glEnableClientState(GL_COLOR_ARRAY)
# global vai, pbi, cbi
tvai = GLuint(0)
tpbi = GLuint(0)
tcbi = GLuint(0)
# test = glGetString(GL_VERSION)
glGenVertexArrays(1, tvai)
glBindVertexArray(tvai)
vid = glGetAttribLocation(program_id, "in_position")
glEnableVertexAttribArray(vid)
tpbi = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, tpbi)
glBufferData(GL_ARRAY_BUFFER, positions, GL_STATIC_DRAW)
glVertexAttribPointer(vid, 3, GL_FLOAT, GL_FALSE, 0, None)
check_error("Could not create position buffer")
tcbi = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, tcbi)
glBufferData(GL_ARRAY_BUFFER, colors, GL_STATIC_DRAW)
vc = glGetAttribLocation(program_id, "MyInColor")
if vc != -1:
glEnableVertexAttribArray(vc)
glVertexAttribPointer(vc, 3, GL_FLOAT, GL_FALSE, 0, None)
check_error("Could not create color buffer")
if len(sizes) > 0:
sbi = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, sbi)
glBufferData(GL_ARRAY_BUFFER, sizes, GL_STATIC_DRAW)
vs = glGetAttribLocation(program_id, "MyInSize")
if vs != -1:
glEnableVertexAttribArray(vs)
glVertexAttribPointer(vs, 3, GL_FLOAT, GL_FALSE, 0, None)
check_error("Could not create size buffer")
glBindVertexArray(0)
return tvai, tpbi, tcbi
def clear_buffer(buffer_id):
glDisableVertexAttribArray(buffer_id)
glDeleteBuffers(1, [buffer_id])
def clear_vertex_array(va_id):
glDeleteVertexArrays(1, va_id)
check_error("Could not destroy vertex array")
vai, pbi, cbi = 0, 0, 0
vai2, pbi2, cbi2 = 0, 0, 0
vai3, pbi3, cbi3 = 0, 0, 0
rx = 0
ry = 0
def render(program_id, projMatrix, vai, x, y, z, alternateprograms=None):
global struct, cstruct
cstruct.render(translate(x, y, z) * rotate(0, ry, 0, True) * projMatrix, rotate(rx, 0, 0), alternateprograms)
'''
glUseProgram(program_id)
check_error("Renderingprogram is not initialized!")
projection = glGetUniformLocation(program_id, 'projModelViewMatrix')
rot = glGetUniformLocation(program_id, 'rotMatrix')
glUniformMatrix4fv(projection, 1, GL_FALSE, np.array(translate(x, y, z) * rotate(rx, 0, 0, True) * projMatrix, dtype=np.float32))
glUniformMatrix3fv(rot, 1, GL_FALSE, np.array(rotate(rx, 0, 0), dtype=np.float32))
glBindVertexArray(vai)
glDrawArrays(GL_POINTS, 0, 9)#529
check_error("Rendering problem")
glBindVertexArray(0)
glUseProgram(0)
'''
def display():
'''if time.time() - start >= 1:
print(frames+1)
global start, frames
frames = 0
start = time.time()
else:
global frames
frames += 1'''
glClearColor(0, 0, 0, 0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
global l
l.prepareForDepthMapping()
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# newMat = orthogonalMatrix(10, -10, 10, -10, 10, -10) * lookAt(cx, cy, 5, 0, 0, 0, 0, 1,0) * np.identity(4)
# newMat = translate(0, 0, -10) * newMat
global projMatrix
projMatrix = perspectiveMatrix(45, float(width) / float(height), 0.01, 100.0)
newMat = translate(-cx, -cy, -2) * lookAt(cx, cy, 2, 0, 0, 0, 0, 1, 0) * perspectiveMatrix(opening,
float(l.map_size) /
float(l.map_size),
0.01, 100.0)
l.pos = [-cx, -cy, -2]
l.ModelviewProjectionMatrix = newMat
l.lightColor = [1, 1, 1]
glUseProgram(program3_id)
widthid = glGetUniformLocation(program3_id, 'width')
heightid = glGetUniformLocation(program3_id, 'height')
nearid = glGetUniformLocation(program3_id, 'near')
farid = glGetUniformLocation(program3_id, 'far')
glUniform1f(nearid, 0.01)
glUniform1f(farid, 100)
glUniform1f(widthid, width)
glUniform1f(heightid, height)
altPrId = {}
altPrId[program_id] = program3_id
render(program3_id, newMat, vai, 0, 0, 0, altPrId)
glFlush()
l.finishDepthMapping()
glClearColor(1, 0, 0, 0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(program_id)
widthid = glGetUniformLocation(program_id, 'width')
heightid = glGetUniformLocation(program_id, 'height')
nearid = glGetUniformLocation(program_id, 'near')
farid = glGetUniformLocation(program_id, 'far')
glUniform1f(nearid, 0.01)
glUniform1f(farid, 100)
glUniform1f(widthid, width)
glUniform1f(heightid, height)
lightProjModelViewMatrix = glGetUniformLocation(program_id, 'lightProjModelViewMatrix')
numLights = glGetUniformLocation(program_id, 'numLights')
lightpos = glGetUniformLocation(program_id, 'lightpos')
lightcolorid = glGetUniformLocation(program_id, 'lightColor')
glUniformMatrix4fv(lightProjModelViewMatrix, 1, GL_FALSE, np.array(l.ModelviewProjectionMatrix))
glUniform1iv(numLights, 1, 1)
glUniform3fv(lightpos, 1, l.pos)
glUniform3fv(lightcolorid, 1, l.lightColor)
texID = glGetUniformLocation(program_id, 'ShadowMaps')
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, l.DepthBuffer)
glUniform1iv(texID, 1, 0)
glViewport(0, 0, width, height)
render(program_id, translate(0, 0, -10) * lookAt(0, 0, 10, 0, 0, 0, 0, 1, 0) * projMatrix, vai, 0, 0, 0)
# temp, _, _ = create_vertex_buffers(np.array([cx, cy, 5], dtype=np.float32),
# np.array([1, 1, 0], dtype=np.float32), program_id)
# render(program_id, projMatrix, temp, 0, 0, -10)
# ry += 0.05
glUseProgram(program2_id)
check_error("Renderingprogram is not initialized!")
texID = glGetUniformLocation(program2_id, "Tex")
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, l.DepthBuffer)
glUniform1i(texID, 0)
glBindVertexArray(vai2)
glDrawArrays(GL_TRIANGLES, 0, 6)
check_error("Rendering problem")
glBindVertexArray(0)
glUseProgram(0)
glFlush()
glutSwapBuffers()
global rx
# rx += 0.025
global ry
glutPostRedisplay()
return
cx = 0
cy = 0
# def display2():
# glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# global l
# l.prepareForDepthMapping()
# glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
#
# newMat = orthogonalMatrix(10, -10, 10, -10, 20, 0.01) * lookAt(-cx, -cy, 1, 0, 0, 0, 0, 1, 0) * np.identity(4)
# newMat = translate(5, 0, -10) * lookAt(-5, 0, 10, 0, 0, 0, 0, 1, 0) * projMatrix
# oldMat = rotate(0, -0.5, 0, True) * projMatrix
# glUseProgram(program3_id)
# widthid = glGetUniformLocation(program3_id, 'width')
# heightid = glGetUniformLocation(program3_id, 'height')
# nearid = glGetUniformLocation(program3_id, 'near')
# farid = glGetUniformLocation(program3_id, 'far')
# glUniform1f(nearid, 0.01)
# glUniform1f(farid, 100)
# glUniform1f(widthid, width)
# glUniform1f(heightid, height)
# render(program3_id, newMat, vai, 0, 0, 0)
# glFlush()
# l.finishDepthMapping()
#
# glUseProgram(program2_id)
# check_error("Renderingprogram is not initialized!")
#
# texID = glGetUniformLocation(program2_id, "Tex")
# glActiveTexture(GL_TEXTURE0)
# glBindTexture(GL_TEXTURE_2D, l.DepthBuffer)
# glUniform1i(texID, 0)
#
# glBindVertexArray(vai3)
# glDrawArrays(GL_TRIANGLES, 0, 6)
# check_error("Rendering problem")
# glBindVertexArray(0)
# glUseProgram(0)
# glFlush()
# glutSwapBuffers()
# glutPostRedisplay()
def resize(w, h):
w = max(w, 1)
h = max(h, 1)
glViewport(0, 0, w, h)
global projMatrix
projMatrix = perspectiveMatrix(45.0, float(w) / float(h), 0.01, 100.0)
global width, height
width = w
height = h
def keyboardHandler(key: int, x: int, y: int):
if key == b'\x1b':
exit()
global rx
global cx
global cy
global opening
if key == b'+':
rx += 0.25
if key == b'-':
rx -= 0.25
if key == b'w':
cy += 0.25
if key == b's':
cy -= 0.25
if key == b'a':
cx -= 0.25
if key == b'd':
cx += 0.25
if key == b'q':
opening -= 0.25
if key == b'e':
opening += 0.25
if key == b'r':
print(cx, cy, opening)
glutPostRedisplay()
# print(key,x,y)
def funcKeydHandler(key: int, x: int, y: int):
if key == 11:
glutFullScreenToggle()
# print(key)
if __name__ == '__main__':
rx = 0
ry = 0
main()