#!/usr/bin/env python3
"""

Example converted to Python from:
http://bedroomcoders.co.uk/raylib-fog/

     port to python completed by codifies - dont know who started it


"""
#
#<<<<<<< HEAD
#<<<<<<< HEAD
#<<<<<<< HEAD
from raylib.static import rl, ffi
#=======
#from raylib.dynamic import raylib as rl, ffi
#>>>>>>> ffe4403 (complete fog example)
#=======
#from raylib.static import rl, ffi
#>>>>>>> 10b63b9 (added shaders_texture_waves.py)
#=======
#from raylib.static import rl, ffi
#>>>>>>> 1775ffc4b093c881ee44a8027b4143add066d738
from raylib.colors import *
import math

from rlmath import *
from light_system import *

rl.SetConfigFlags(rl.FLAG_MSAA_4X_HINT | rl.FLAG_WINDOW_RESIZABLE)
rl.InitWindow(1280, 768, b'Fog Test')

camera = ffi.new('struct Camera3D *', [
    [6, 2, 6],
    [0, .5, 0],
    [0, 1, 0],
    45,
    rl.CAMERA_PERSPECTIVE
])

model = rl.LoadModelFromMesh(rl.GenMeshTorus(0.4, 1, 16, 32))
model2 = rl.LoadModelFromMesh(rl.GenMeshCube(1, 1, 1))
model3 = rl.LoadModelFromMesh(rl.GenMeshSphere(0.5, 32, 32))

texture = rl.LoadTexture(b'resources/test.png')

model.materials[0].maps[rl.MAP_DIFFUSE].texture = texture
model2.materials[0].maps[rl.MAP_DIFFUSE].texture = texture
model3.materials[0].maps[rl.MAP_DIFFUSE].texture = texture

light = Light(LIGHT_POINT,  [ 0, 4, 0 ], Vector3Zero(), WHITE)
lightSystem = LightSystem([ 0.2, 0.2, 0.2, 1.0 ], light)
#
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#<<<<<<< HEAD
fog_color = ffi.new('float[]', [0.2,0.2,1.0,1.0])
fogC = rl.GetShaderLocation(lightSystem.shader, b'fogColor')
rl.SetShaderValue(lightSystem.shader, fogC, fog_color, rl.UNIFORM_VEC4);
#=======
#fog_color = [0.2, 0.2, 1.0, 1.0]
#>>>>>>> ffe4403 (complete fog example)
#=======
#fog_color = ffi.new('float[]', [0.2,0.2,1.0,1.0])
fogC = rl.GetShaderLocation(lightSystem.shader, b'fogColor')
rl.SetShaderValue(lightSystem.shader, fogC, fog_color, rl.UNIFORM_VEC4);
#>>>>>>> 1775ffc4b093c881ee44a8027b4143add066d738
fogD = rl.GetShaderLocation(lightSystem.shader, b'FogDensity')
fogDensity = 0.12

model.materials[0].shader = lightSystem.shader
model2.materials[0].shader = lightSystem.shader
model3.materials[0].shader = lightSystem.shader

rl.SetTargetFPS(60)
a=0.0
while not rl.WindowShouldClose():
    
    a+=0.01
    camera.position.x = math.sin(a)*6
    camera.position.z = math.cos(a)*6 
    rl.UpdateCamera(camera)

    lightSystem.update(camera.position)

    
    model.transform = ffi.cast("Matrix *",MatrixMultiply(model.transform, MatrixRotateX(-0.025)))[0]
    model.transform = ffi.cast("Matrix *",MatrixMultiply(model.transform, MatrixRotateZ(0.012)))[0]
    
    if rl.IsKeyDown(rl.KEY_UP):
        fogDensity = min(fogDensity + 0.001, 1)

    if rl.IsKeyDown(rl.KEY_DOWN):
        fogDensity = max(fogDensity - 0.001, 0)

    rl.SetShaderValue(lightSystem.shader, fogD, ffi.new('float[]', [fogDensity]), rl.UNIFORM_FLOAT)

    rl.BeginDrawing()

    rl.ClearBackground([int(255 * i) for i in fog_color])
#<<<<<<< HEAD
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#    if rl.IsKeyDown(rl.KEY_SPACE):
#        rl.ClearBackground(BLACK)
#=======
#>>>>>>> ffe4403 (complete fog example)
#=======
    if rl.IsKeyDown(rl.KEY_SPACE):
        rl.ClearBackground(BLACK)
#>>>>>>> 1775ffc4b093c881ee44a8027b4143add066d738
    
    rl.BeginMode3D(camera[0])
    rl.DrawModel(model, [0] * 3, 1, WHITE)
    rl.DrawModel(model2, [-2.6, 0, 0], 1, WHITE)
    rl.DrawModel(model3, [ 2.6, 0, 0], 1, WHITE)

    for i in range(-20, 20, 2):
        rl.DrawModel(model, [i, 0, 2], 1, WHITE)


    rl.DrawGizmo([1000, 1000, 1000])

    rl.EndMode3D()

    rl.DrawFPS(10, 10)
    rl.DrawText(f'Up/Down to change fog density: {fogDensity}'.encode('utf-8'), 10, 30, 20, WHITE)

    rl.EndDrawing()

rl.UnloadModel(model)
rl.UnloadModel(model2)
rl.UnloadModel(model3)
rl.UnloadTexture(texture)
rl.UnloadShader(lightSystem.shader)
rl.CloseWindow()