package play

import org.openrndr.application
import org.openrndr.color.*
import org.openrndr.draw.*
import org.openrndr.extra.noise.filters.SimplexNoise3D
import org.openrndr.math.Vector3
import phenax.extensions.CameraManager
import phenax.utils.*

fun main() = application {
  recordDuration(5.seconds())

  configure {
    width = 640
    height = 480
    windowResizable = false
  }

  oliveProgram {
    val cs by liveComputeShader("play_shader")

    val outputBuffer = colorBuffer(width, height, type = ColorType.UINT8)

    val cloudNoiseBuffer = colorBuffer(width, height, type = ColorType.UINT8)
    val cloudNoiseFilter = SimplexNoise3D()
    cloudNoiseFilter.scale = Vector3.ONE * 1.0
    cloudNoiseFilter.octaves = 8
    cloudNoiseFilter.premultipliedAlpha = true

    // val terrainNoiseBuffer = colorBuffer(2000, 2000, type = ColorType.UINT8)
    // val terrainNoiseFilter = SimplexNoise3D()
    // terrainNoiseFilter.seed = Vector3(0.0, 0.0, 0.0)
    // terrainNoiseFilter.scale = Vector3.ONE * 1.0
    // terrainNoiseFilter.octaves = 8
    // terrainNoiseFilter.premultipliedAlpha = true

    var camera_manager = CameraManager()
    extend(camera_manager)

    extend {
      cloudNoiseFilter.seed = Vector3(0.02 * seconds, 0.0, 0.01 * seconds)
      cloudNoiseFilter.apply(emptyArray(), cloudNoiseBuffer)
      cs.image("cloud_noise_texture", 1, cloudNoiseBuffer.imageBinding(0, ImageAccess.READ))

      // terrainNoiseFilter.apply(emptyArray(), terrainNoiseBuffer)
      // cs.image("terrain_noise_texture", 2, terrainNoiseBuffer.imageBinding(0, ImageAccess.READ))

      cs.uniform("seconds", seconds)
      camera_manager.setUniforms(cs)
      cs.image("output_image", 0, outputBuffer.imageBinding(0, ImageAccess.WRITE))
      cs.execute(outputBuffer.width, outputBuffer.height, 1)
      drawer.image(outputBuffer)
    }
  }
}