Files
cup_edit/android/src/main/kotlin/app/polyvox/filament/PolyvoxFilamentPlugin.kt
Nick Fisher 074f9e05f2 merge
2023-09-27 16:23:46 +10:00

810 lines
31 KiB
Kotlin

package app.polyvox.filament
import HotReloadPathHelper
import android.app.Activity
import android.content.res.AssetManager
import android.graphics.*
import android.opengl.*
import android.os.Build
import android.util.Log
import android.view.Choreographer
import android.view.Surface
import androidx.annotation.NonNull
import androidx.annotation.RequiresApi
import androidx.lifecycle.Lifecycle
import com.sun.jna.*
import io.flutter.FlutterInjector
import io.flutter.embedding.engine.FlutterJNI
import io.flutter.embedding.engine.plugins.FlutterPlugin
import io.flutter.embedding.engine.plugins.activity.ActivityAware
import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding
import io.flutter.embedding.engine.plugins.lifecycle.HiddenLifecycleReference
import io.flutter.plugin.common.MethodCall
import io.flutter.plugin.common.MethodChannel
import io.flutter.plugin.common.MethodChannel.MethodCallHandler
import io.flutter.view.TextureRegistry.SurfaceTextureEntry
import java.io.File
import java.util.*
import java.util.concurrent.Executors
typealias EntityId = Int
/** PolyvoxFilamentPlugin */
class PolyvoxFilamentPlugin: FlutterPlugin, MethodCallHandler, ActivityAware, LoadFilamentResourceFromOwner, FreeFilamentResourceFromOwner {
private val lock = Object()
inner class FrameCallback : Choreographer.FrameCallback {
private val startTime = System.nanoTime()
override fun doFrame(frameTimeNanos: Long) {
choreographer.postFrameCallback(this)
if(_viewer != null && _rendering) {
_lib.render(_viewer!!, frameTimeNanos)
}
}
}
companion object {
const val CHANNEL_NAME = "app.polyvox.filament/event"
const val TAG = "FilamentPlugin"
}
private lateinit var channel : MethodChannel
private lateinit var flutterPluginBinding : FlutterPlugin.FlutterPluginBinding
private var lifecycle: Lifecycle? = null
private lateinit var _lib : FilamentInterop
private var _viewer : Pointer? = null
private var _rendering : Boolean = false
private var _glContext: EGLContext? = null
private var mEglDisplay: EGLDisplay? = null
private var _glTextureId = 0
private var _surfaceTexture: SurfaceTexture? = null
private var _surfaceTextureEntry: SurfaceTextureEntry? = null
private var _surface: Surface? = null
private lateinit var choreographer: Choreographer
private val frameCallback = FrameCallback()
private lateinit var assetManager : AssetManager
private lateinit var activity:Activity
private val executor = Executors.newFixedThreadPool(1);
override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
this.flutterPluginBinding = flutterPluginBinding
channel = MethodChannel(flutterPluginBinding.binaryMessenger, CHANNEL_NAME)
channel.setMethodCallHandler(this)
_lib = Native.loadLibrary("polyvox_filament_android", FilamentInterop::class.java, Collections.singletonMap(Library.OPTION_ALLOW_OBJECTS, true))
}
override fun onAttachedToActivity(binding: ActivityPluginBinding) {
lifecycle = (binding.lifecycle as? HiddenLifecycleReference)?.lifecycle
activity = binding.activity
activity.window.setFormat(PixelFormat.RGBA_8888)
choreographer = Choreographer.getInstance()
choreographer.postFrameCallback(frameCallback)
}
@RequiresApi(Build.VERSION_CODES.M)
override fun onMethodCall(call: MethodCall, result: MethodChannel.Result) {
Log.e("polyvox_filament", call.method, null)
when (call.method) {
"createTexture" -> {
// if(_glTextureId != 0) {
// result.success(_glTextureId)
// return
// }
// if(_glContext == null) {
// _glContext = EGL14.eglGetCurrentContext()
// if (_glContext == EGL14.EGL_NO_CONTEXT) {
// // if(surfaceTextureEntry != null) {
// // result.error("ERR", "Surface texture already exists. Call destroyTexture before creating a new one", null);
// // } else {
// // surface = Surface(surfaceTextureEntry!!.surfaceTexture())
// // if(!surface!!.isValid) {
// // result.error("ERR", "Surface creation failed. ", null);
// // } else {
// // result.success(surfaceTextureEntry!!.id().toInt())
// // }
// // }
// mEglDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY)
// if (mEglDisplay == EGL14.EGL_NO_DISPLAY) {
// result.error("Err", "eglGetDisplay failed", null);
// return;
// }
// val version = IntArray(2)
// if (!EGL14.eglInitialize(mEglDisplay, version, 0, version, 1)) {
// var error = EGL14.eglGetError();
// Log.e("DISPLAY_FAILED", "NativeEngine: failed to init display %d");
// }
// val attribs = intArrayOf(
// EGL14.EGL_RENDERABLE_TYPE, EGL15.EGL_OPENGL_ES3_BIT,
// EGL14.EGL_SURFACE_TYPE, EGL14.EGL_WINDOW_BIT,
// EGL14.EGL_BLUE_SIZE, 8,
// EGL14.EGL_GREEN_SIZE, 8,
// EGL14.EGL_RED_SIZE, 8,
// EGL14.EGL_DEPTH_SIZE, 16,
// EGL14.EGL_NONE);
// var numConfigs = intArrayOf(1)
// val configs: Array<android.opengl.EGLConfig?> = arrayOf<EGLConfig?>(null)
// if(!EGL14.eglChooseConfig(mEglDisplay, attribs, 0, configs, 0, 1, numConfigs, 0)) {
// result.error("NO_GL_CONTEXT", "Failed to get matching EGLConfig", null);
// return;
// }
// _glContext = EGL14.eglCreateContext(mEglDisplay, configs[0]!!, EGL14.EGL_NO_CONTEXT, intArrayOf(EGL14.EGL_CONTEXT_CLIENT_VERSION, 3, EGL14.EGL_NONE), 0);
// if (_glContext === EGL14.EGL_NO_CONTEXT || EGL14.eglMakeCurrent(mEglDisplay, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE, _glContext) == false) {
// result.error("NO_GL_CONTEXT", "Failed to get current OpenGL context", null);
// return;
// };
// Log.i("polyvox_filament", "Successfully created OpenGL context");
// }
// }
val args = call.arguments as List<*>
val width = 256 //args[0] as Double
val height = 256// args[1] as Double
if(width <1 || height < 1) {
result.error("DIMENSION_MISMATCH","Both dimensions must be greater than zero", null);
return;
}
Log.i("polyvox_filament", "Creating texture of size ${width}x${height}");
// val texture = IntArray(1)
// GLES32.glGenTextures(1, texture, 0)
// _glTextureId = texture[0]
// GLES32.glBindTexture(GLES32.GL_TEXTURE_2D, _glTextureId)
// GLES32.glTexParameteri(GLES32.GL_TEXTURE_2D, GLES32.GL_TEXTURE_MIN_FILTER, GLES32.GL_LINEAR)
// GLES32.glTexParameteri(GLES32.GL_TEXTURE_2D, GLES32.GL_TEXTURE_MAG_FILTER, GLES32.GL_LINEAR)
// GLES32.glTexParameteri(GLES32.GL_TEXTURE_2D, GLES32.GL_TEXTURE_WRAP_S, GLES32.GL_CLAMP_TO_EDGE)
// GLES32.glTexParameteri(GLES32.GL_TEXTURE_2D, GLES32.GL_TEXTURE_WRAP_T, GLES32.GL_CLAMP_TO_EDGE)
// GLES32.glTexImage2D(
// GLES32.GL_TEXTURE_2D,
// 0,
// GLES32.GL_RGBA,
// width.toInt(),
// height.toInt(),
// 0,
// GLES32.GL_RGBA,
// GLES32.GL_UNSIGNED_BYTE,
// null
// )
// if(_glTextureId == 0) {
// result.error("GL_TEXTURE_CREATE_FAILED", "Failed to create OpenGL texture. Check logcat for details", null);
// return;
// }
// _surfaceTexture = SurfaceTexture(_glTextureId)
// _surfaceTexture!!.setOnFrameAvailableListener({
// Log.i("TMP","FRAME AVAILABLE");
// })
// _surfaceTextureEntry = flutterPluginBinding.textureRegistry.registerSurfaceTexture(_surfaceTexture!!)
_surfaceTextureEntry = flutterPluginBinding.textureRegistry.createSurfaceTexture()
_surfaceTexture = _surfaceTextureEntry!!.surfaceTexture();
_surfaceTexture!!.setDefaultBufferSize(width.toInt(), height.toInt())
_surface = Surface(_surfaceTexture)
// val canvas = _surface!!.lockHardwareCanvas()
// canvas.drawColor(Color.GREEN)
// _surface!!.unlockCanvasAndPost(canvas)
result.success(_surfaceTextureEntry!!.id())
}
"destroyTexture" -> {
if (_viewer != null) {
result.error("INVALID_ARGUMENTS", "Destroy the viewer before destroying the texture", null)
} else {
_surface!!.release();
_surfaceTextureEntry!!.release();
_surface = null
_surfaceTextureEntry = null
}
}
"destroyViewer" -> {
if (_viewer != null) {
_lib.destroy_swap_chain(_viewer)
_lib.delete_filament_viewer(_viewer)
_viewer = null
}
result.success(true)
}
"resize" -> {
if (_viewer == null) {
result.error("VIEWER_NULL", "Error: cannot resize before a viewer has been created", null)
return
}
val wasRendering = _rendering;
_rendering = false
_lib.destroy_swap_chain(_viewer)
val args = call.arguments as List<Any>
val width = 100 // args[0] as Int
val height = 100 // args[1] as Int
val scale = 1.0 // args[2] as Float
_surfaceTexture!!.setDefaultBufferSize(width, height)
val nativeWindow = _lib.get_native_window_from_surface(_surface!! as Object, JNIEnv.CURRENT)
_lib.create_swap_chain(_viewer!!, nativeWindow, width, height)
_lib.update_viewport_and_camera_projection(_viewer!!, width as UInt, height as UInt, scale.toFloat())
_rendering = wasRendering;
Log.i(TAG, "Resized to ${args[0]}x${args[1]}")
result.success(_surfaceTexture)
}
"createFilamentViewer" -> {
if (_viewer != null) {
_lib.destroy_swap_chain(_viewer)
_lib.delete_filament_viewer(_viewer)
_viewer = null
}
val resourceLoader = _lib.make_resource_loader(this, this, Pointer(0))
val nativeWindow = _lib.get_native_window_from_surface(_surface!! as Object, JNIEnv.CURRENT)
_viewer = _lib.create_filament_viewer(nativeWindow, resourceLoader);
// _viewer = _lib.create_filament_viewer(
// _glContext!!.nativeHandle,
// resourceLoader)
val args = call.arguments as List<Any>
var width = 100.0 // args[0] as Double
val height = 100.0 // args[1] as Double
// if(width < 1 || height < 1) {
// result.error("DIMENSION_MISMATCH","Both dimensions must be greater than zero", null);
// return;
// }
_lib.create_swap_chain(_viewer!!, nativeWindow, width.toInt(), height.toInt())
// _lib.create_swap_chain(_viewer!!, null, width.toInt(), height.toInt())
// _lib.create_render_target(_viewer, _glTextureId, width.toInt(),height.toInt());
result.success(Pointer.nativeValue(_viewer!!))
}
"getAssetManager" -> {
val assetManager = _lib.get_asset_manager(_viewer)
result.success(assetManager)
}
"clearBackgroundImage" -> {
_lib.clear_background_image(_viewer)
result.success(true)
}
"setBackgroundImage" -> {
val args = call.arguments as List<*>
val path = args[0] as String
val fillHeight = args[1] as Boolean
_lib.set_background_image(_viewer, path, fillHeight)
result.success(true)
}
"setBackgroundImagePosition" -> {
val args = call.arguments as List<*>
_lib.set_background_image_position(_viewer, args[0] as Float, args[1] as Float, args[2] as Boolean)
result.success(true)
}
"setBackgroundColor" -> {
val args = call.arguments as List<Double>
_lib.set_background_color(_viewer, args[0].toFloat(), args[1].toFloat(), args[2].toFloat(), args[3].toFloat())
result.success(true)
}
"setToneMapping" -> {
val args = call.arguments as Int
_lib.set_tone_mapping(_viewer, args);
result.success(true)
}
"setBloom" -> {
val args = call.arguments as Float
_lib.set_bloom(_viewer, args as Float);
result.success(true)
}
"loadSkybox" -> {
_lib.load_skybox(_viewer, call.arguments as String)
result.success(true)
}
"loadIbl" -> {
val args = call.arguments as List<*>
_lib.load_ibl(_viewer, args[0] as String, args[1] as Float)
result.success(true)
}
"removeSkybox" -> {
_lib.remove_skybox(_viewer)
result.success(true)
}
"removeIbl" -> {
_lib.remove_ibl(_viewer)
result.success(true)
}
"addLight" -> {
val args = call.arguments as? List<*>
if (args != null && args.size == 10) {
val type = (args[0] as Int)?.toByte()
val colour = args[1] as Float
val intensity = args[2] as Float
val posX = args[3] as Float
val posY = args[4] as Float
val posZ = args[5] as Float
val dirX = args[6] as Float
val dirY = args[7] as Float
val dirZ = args[8] as Float
val shadows = args[9] as Boolean
val entityId = _lib.add_light(_viewer, type, colour as Float, intensity as Float,posX as Float, posY as Float, posZ as Float, dirX as Float, dirY as Float, dirZ as Float, shadows)
result.success(entityId)
}
}
"removeLight" -> {
_lib.remove_light(_viewer, call.arguments as Int)
result.success(true)
}
"clearLights" -> {
_lib.clear_lights(_viewer)
result.success(true)
}
"loadGlb" -> {
val args = call.arguments as List<Any>
if (args.size != 3) {
result.error("INVALID_ARGUMENTS", "Expected assetManager, assetPath, and unlit for load_glb", null)
return
}
val assetManager = args[0] as Int
val assetPath = args[1] as String
val unlit = args[2] as Boolean
val entityId =_lib.load_glb(assetManager, assetPath, unlit)
result.success(entityId)
}
"loadGltf" -> {
val args = call.arguments as List<Any>
if (args.size != 3) {
result.error("INVALID_ARGUMENTS", "Expected assetManager, assetPath, and relativePath for load_gltf", null)
return
}
val assetManager = args[0] as Int
val assetPath = args[1] as String
val relativePath = args[2] as String
val entityId =_lib.load_gltf(assetManager, assetPath, relativePath)
result.success(entityId)
}
"transformToUnitCube" -> {
val args = call.arguments as List<Any>
_lib.transform_to_unit_cube(args[0] as Int, args[1] as EntityId)
result.success(true)
}
"render" -> {
// val canvas = _surface!!.lockHardwareCanvas()
// canvas.drawColor(Color.BLUE)
// _surface!!.unlockCanvasAndPost(canvas)
_lib.render(_viewer, 0)
// _surfaceTexture!!.updateTexImage()
result.success(true)
}
"setRendering" -> {
_rendering = call.arguments as Boolean
result.success(true)
}
"setFrameInterval" -> {
if (_viewer != null) {
_lib.set_frame_interval(_viewer, call.arguments as Float)
}
result.success(true)
}
"updateViewportAndCameraProjection" -> {
val args = call.arguments as List<Any>
val width = args[0] as Int
val height = args[1] as Int
val scaleFactor = args[2] as Double
// _lib.update_viewport_and_camera_projection(_viewer, width.toUInt(), height.toUInt(), scaleFactor.toFloat())
result.success(true)
}
"scrollBegin" -> {
_lib.scroll_begin(_viewer)
result.success(true)
}
"scrollUpdate" -> {
val args = call.arguments as List<Any>
if (args.size != 3) {
result.error("INVALID_ARGUMENTS", "Expected viewer, x, y, and z for scroll_update", null)
return
}
val x = args[0] as Float
val y = args[1] as Float
val z = args[2] as Float
_lib.scroll_update(_viewer, x.toFloat(), y.toFloat(), z.toFloat())
result.success(true)
}
"scrollEnd" -> {
_lib.scroll_end(_viewer)
result.success(true)
}
"grabBegin" -> {
val args = call.arguments as List<Any>
if (args.size != 3) {
result.error("INVALID_ARGUMENTS", "Expected viewer, x, y, and pan for grab_begin", null)
return
}
val x = args[0] as Float
val y = args[1] as Float
val pan = args[2] as Boolean
_lib.grab_begin(_viewer, x.toFloat(), y.toFloat(), pan)
result.success(true)
}
"grabUpdate" -> {
val args = call.arguments as List<Any>
if (args.size != 2) {
result.error("INVALID_ARGUMENTS", "Expected viewer, x, y for grab_update", null)
return
}
val x = args[0] as Float
val y = args[1] as Float
_lib.grab_update(_viewer, x.toFloat(), y.toFloat())
result.success(true)
}
"grabEnd" -> {
_lib.grab_end(_viewer)
result.success(true)
}
"applyWeights" -> {
// Use the following code snippet to get the arguments from call.arguments
// guard let args = call.arguments as? List<*>, args.count == 5,
// let assetManager = args[0] as? Int64,
// let asset = args[1] as? EntityId,
// let entityName = args[2] as? String,
// let weights = args[3] as? [Float],
// let count = args[4] as? Int else {
// result.success(FlutterError(code: "INVALID_ARGUMENTS", message: "Expected correct arguments for apply_weights", details: nil))
// return
// }
// _lib.apply_weights(assetManager, asset, entityName, UnsafeMutablePointer(&weights), count)
result.success(true)
}
"setMorphTargetWeights" -> {
val args = call.arguments as List<Any>
val assetManager = args[0] as Int
val asset = args[1] as Int
val entityName = args[2] as String
val morphData = args[3] as List<Double>
val numMorphWeights = args[4] as Int
_lib.set_morph_target_weights(
assetManager,
asset,
entityName,
morphData.map { it.toFloat() }.toFloatArray(),
numMorphWeights
)
result.success(true)
}
"setMorphAnimation" -> {
val args = call.arguments as List<Any>
val assetManager = args[0] as Int
val asset = args[1] as Int
val entityName = args[2] as String
val morphData = args[3] as List<Double>
val morphIndices = args[4] as List<Int>
val numMorphTargets = args[5] as Int
val numFrames = args[6] as Int
val frameLengthInMs = args[7] as Int
val frameData = morphData.map { it.toFloat() }
val success =_lib.set_morph_animation(
assetManager,
asset,
entityName,
frameData.toFloatArray(),
morphIndices.toIntArray(),
numMorphTargets,
numFrames,
frameLengthInMs
)
result.success(success)
}
"setBoneAnimation" -> {
val args = call.arguments as Array<*>
if (args.size != 9) {
result.error("INVALID_ARGUMENTS", "Expected correct arguments for set_bone_animation", null)
return
}
val assetManager = args[0] as Int
val asset = args[1] as Int
val frameData = args[2] as FloatArray
val numFrames = args[3] as Int
val numBones = args[4] as Int
val boneNames = args[5] as Array<String>
val meshNames = args[6] as Array<String>
val numMeshTargets = args[7] as Int
val frameLengthInMs = args[8] as Int
_lib.set_bone_animation(assetManager, asset, frameData, numFrames, numBones, boneNames, meshNames, numMeshTargets, frameLengthInMs)
result.success(true)
}
"playAnimation" -> {
val args = call.arguments as Array<*>
if (args.size != 7) {
result.error("INVALID_ARGUMENTS", "Expected correct arguments for play_animation", null)
return
}
val assetManager = args[0] as Int
val asset = args[1] as Int
val index = args[2] as Int
val loop = args[3] as Boolean
val reverse = args[4] as Boolean
val replaceActive = args[5] as Boolean
val crossfade = args[6] as Float
_lib.play_animation(assetManager, asset, index, loop, reverse, replaceActive, crossfade.toFloat())
result.success(true)
}
"getAnimationDuration" -> {
val args = call.arguments as List<*>
if (args.size != 3) {
result.error("INVALID_ARGUMENTS", "Expected correct arguments for getAnimationDuration", null)
return
}
val assetManager = args[0] as Int
val asset = args[1] as Int
val animationIndex = args[2] as Int
val dur =_lib.get_animation_duration(assetManager, asset, animationIndex)
result.success(dur)
}
"setAnimationFrame" -> {
val args = call.arguments as List<*>
if (args.size != 4) {
result.error("INVALID_ARGUMENTS", "Expected correct arguments for set_animation_frame", null)
return
}
val assetManager = args[0] as Int
val asset = args[1] as Int
val animationIndex = args[2] as Int
val animationFrame = args[3] as Int
_lib.set_animation_frame(assetManager, asset, animationIndex, animationFrame)
result.success(true)
}
"stopAnimation" -> {
val args = call.arguments as List<*>
if (args.size != 3) {
result.error("INVALID_ARGUMENTS", "Expected correct arguments for stop_animation", null)
return
}
val assetManager = args[0] as Int
val asset = args[1] as Int
val index = args[2] as Int
_lib.stop_animation(assetManager, asset, index)
result.success(true)
}
"getAnimationCount" -> {
val args = call.arguments as List<*>
if (args.size != 2) {
result.error("INVALID_ARGUMENTS", "Expected correct arguments for get_animation_count", null)
return
}
val assetManager = args[0] as Int
val asset = args[1] as Int
val count =_lib.get_animation_count(assetManager, asset)
result.success(count)
}
"getAnimationNames" -> {
val args = call.arguments as List<*>
if (args.size != 2) {
result.error("INVALID_ARGUMENTS", "Expected correct arguments for get_animation_name", null)
return
}
val assetManager = args[0] as Int
val asset = args[1] as Int
val names = mutableListOf<String>()
val count =_lib.get_animation_count(assetManager, asset)
val buffer = "" // Assuming max name length of 256 for simplicity
for (i in 0 until count) {
_lib.get_animation_name(assetManager, asset, buffer, i)
names.add(buffer)
}
result.success(names)
}
"getAnimationName" -> {
val args = call.arguments as List<*>
if (args.size != 3) {
result.error("INVALID_ARGUMENTS", "Expected correct arguments for get_animation_name", null)
return
}
val assetManager = args[0] as Int
val asset = args[1] as Int
val index = args[2] as Int
val buffer = "" // Assuming max name length of 256 for simplicity
_lib.get_animation_name(assetManager, asset, buffer, index)
val name = buffer
result.success(name)
}
"getMorphTargetName" -> {
val args = call.arguments as? List<*>
if (args == null || args.size != 4) {
result.error("INVALID_ARGUMENTS", "Expected correct arguments for get_morph_target_name", null)
return
}
val assetManager = args[0] as? Long ?: return
val asset = args[1] as? EntityId ?: return
val meshName = args[2] as? String ?: return
val index = args[3] as? Int ?: return
val buffer = "" // Assuming max name length of 256 for simplicity
_lib.get_morph_target_name(assetManager, asset, meshName, buffer, index)
val targetName = buffer
result.success(targetName)
}
"getMorphTargetNames" -> {
val args = call.arguments as? List<*>
if (args == null || args.size != 3) {
result.error("INVALID_ARGUMENTS", "Expected correct arguments for get_morph_target_names", null)
return
}
val assetManager = args[0] as? Long ?: return
val asset = args[1] as? EntityId ?: return
val meshName = args[2] as? String ?: return
val count =_lib.get_morph_target_name_count(assetManager, asset, meshName)
val names = ArrayList<String>()
if (count > 0) {
for (i in 0 until count) {
val buffer = "" // Assuming max name length of 256 for simplicity
_lib.get_morph_target_name(assetManager, asset, meshName, buffer, i)
names.add(buffer)
}
}
result.success(names)
}
"getMorphTargetNameCount" -> {
val args = call.arguments as List<*>
if (args.size != 3) {
result.error("INVALID_ARGUMENTS", "Expected correct arguments for getMorphTargetNameCount", null)
return
}
val assetManager = args[0] as Int
val asset = args[1] as Int
val meshName = args[2] as String
val count =_lib.get_morph_target_name_count(assetManager, asset, meshName)
result.success(count)
}
"removeAsset" -> {
_lib.remove_asset(_viewer, call.arguments as Int)
result.success(true)
}
"clearAssets" -> {
_lib.clear_assets(_viewer)
result.success(true)
}
"setCamera" -> {
val args = call.arguments as List<*>
if (args.size != 2) {
result.error("INVALID_ARGUMENTS", "Expected asset and nodeName for setCamera", null)
return
}
val asset = args[0] as Int
val nodeName = args[1] as String
val success =_lib.set_camera(_viewer, asset, nodeName)
result.success(success)
}
"setCameraPosition" -> {
val args = call.arguments as List<*>
_lib.set_camera_position(_viewer, (args[0] as Float).toFloat(), (args[1] as Float).toFloat(), (args[2] as Float).toFloat())
result.success(true)
}
"setCameraRotation" -> {
val args = call.arguments as List<*>
_lib.set_camera_rotation(_viewer, args[0] as Float, args[1] as Float, args[2] as Float, args[3] as Float)
result.success(true)
}
"setCameraModelMatrix" -> {
val matrix = call.arguments as List<Float>
_lib.set_camera_model_matrix(_viewer, matrix.toFloatArray())
result.success(true)
}
"setCameraFocalLength" -> {
_lib.set_camera_focal_length(_viewer, call.arguments as Float)
result.success(true)
}
"setCameraFocusDistance" -> {
_lib.set_camera_focus_distance(_viewer, call.arguments as Float)
result.success(true)
}
"setMaterialColor" -> {
val args = call.arguments as List<*>
_lib.set_material_color(args[0] as Int, args[1] as Int, args[2] as String, args[3] as Int, args[4] as Float, args[5] as Float, args[6] as Float, args[7] as Float)
result.success(true)
}
"hideMesh" -> {
val args = call.arguments as List<*>
val status =_lib.hide_mesh(args[0] as Int, args[1] as Int, args[2] as String)
result.success(status)
}
"revealMesh" -> {
val args = call.arguments as List<*>
val status =_lib.reveal_mesh(args[0] as Int, args[1] as Int, args[2] as String)
result.success(status)
}
else -> {
result.notImplemented()
}
}
}
override fun onDetachedFromEngine(@NonNull binding: FlutterPlugin.FlutterPluginBinding) {
channel.setMethodCallHandler(null)
}
override fun onReattachedToActivityForConfigChanges(binding: ActivityPluginBinding) {
onAttachedToActivity(binding)
}
override fun onDetachedFromActivityForConfigChanges() {
onDetachedFromActivity()
}
override fun onDetachedFromActivity() {
lifecycle = null
}
val _resources:MutableMap<Int,Memory> = mutableMapOf();
var _lastId = 1
var _ptr:Pointer = Pointer(0)
override fun loadResourceFromOwner(path: String?, owner: Pointer?): ResourceBuffer {
Log.i("Loading resource from path $path")
var data:ByteArray? = null
if(path!!.startsWith("file://")) {
data = File(path!!.substring(6)).readBytes()
} else {
val loader = FlutterInjector.instance().flutterLoader()
val key = loader.getLookupKeyForAsset(path)
val hotReloadPath = HotReloadPathHelper.getAssetPath(key, activity.getPackageName())
if (hotReloadPath != null) {
data = File(hotReloadPath).readBytes()
} else {
val assetManager: AssetManager = activity.assets
try {
data = assetManager.open(key).readBytes()
} catch (e:Exception) {
Log.e("polyvox_filament", "Failed to open asset at ${path}", null)
}
}
}
val rb = ResourceBuffer();
try {
if (data != null) {
val dataPtr = Memory(data.size.toLong())
dataPtr.write(0, data, 0, data.size)
rb.data = dataPtr
rb.size = data.size
rb.id = _lastId
_resources[rb.id] = dataPtr;
_lastId++
} else {
rb.id = 0
rb.size = 0
rb.data = Pointer(0)
}
} catch(e:Exception) {
Log.e("polyvox_filament", "Error setting resource buffer : $e", null);
}
rb.write();
return rb;
}
override fun freeResourceFromOwner(rb: ResourceBuffer, owner: Pointer?) {
_resources.remove(rb.id)
}
}