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Fix null pointer exceptions in GltfScene

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This commit is contained in:
Edwin Jakobs
2021-05-14 09:24:52 +02:00
parent 1f94b3a5fc
commit 2401444cbe
2 changed files with 56 additions and 22 deletions
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2
orx-dnk3/src/main/kotlin/gltf/Gltf.kt
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@@ -28,7 +28,7 @@ data class GltfAsset(val generator: String?, val version: String?)
data class GltfScene(val nodes: IntArray) data class GltfScene(val nodes: IntArray)
data class GltfNode(val name: String, data class GltfNode(val name: String?,
val children: IntArray?, val children: IntArray?,
val matrix: DoubleArray?, val matrix: DoubleArray?,
val scale: DoubleArray?, val scale: DoubleArray?,

76
orx-dnk3/src/main/kotlin/gltf/GltfScene.kt
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@@ -19,6 +19,7 @@ class SceneAnimation(var channels: List<AnimationChannel>) {
get() { get() {
return channels.maxByOrNull { it.duration }?.duration ?: 0.0 return channels.maxByOrNull { it.duration }?.duration ?: 0.0
} }
fun applyToTargets(input: Double) { fun applyToTargets(input: Double) {
for (channel in channels) { for (channel in channels) {
channel.applyToTarget(input) channel.applyToTarget(input)
@@ -32,8 +33,10 @@ sealed class AnimationChannel {
} }
class QuaternionChannel(val target: KMutableProperty0<Quaternion>, class QuaternionChannel(
val keyframer: KeyframerChannelQuaternion) : AnimationChannel() { val target: KMutableProperty0<Quaternion>,
val keyframer: KeyframerChannelQuaternion
) : AnimationChannel() {
override fun applyToTarget(input: Double) { override fun applyToTarget(input: Double) {
target.set(keyframer.value(input) ?: Quaternion.IDENTITY) target.set(keyframer.value(input) ?: Quaternion.IDENTITY)
} }
@@ -42,8 +45,10 @@ class QuaternionChannel(val target: KMutableProperty0<Quaternion>,
get() = keyframer.duration() get() = keyframer.duration()
} }
class Vector3Channel(val target: KMutableProperty0<Vector3>, class Vector3Channel(
val keyframer: KeyframerChannelVector3, val default: Vector3) : AnimationChannel() { val target: KMutableProperty0<Vector3>,
val keyframer: KeyframerChannelVector3, val default: Vector3
) : AnimationChannel() {
override fun applyToTarget(input: Double) { override fun applyToTarget(input: Double) {
target.set(keyframer.value(input) ?: default) target.set(keyframer.value(input) ?: default)
} }
@@ -127,7 +132,10 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
cb.filter(MinifyingFilter.LINEAR_MIPMAP_LINEAR, MagnifyingFilter.LINEAR) cb.filter(MinifyingFilter.LINEAR_MIPMAP_LINEAR, MagnifyingFilter.LINEAR)
cb.wrapU = WrapMode.REPEAT cb.wrapU = WrapMode.REPEAT
cb.wrapV = WrapMode.REPEAT cb.wrapV = WrapMode.REPEAT
val sceneTexture = Texture(ModelCoordinates(texture = cb, pre = "x_texCoord.y = 1.0-x_texCoord.y;"), TextureTarget.COLOR) val sceneTexture = Texture(
ModelCoordinates(texture = cb, pre = "x_texCoord.y = 1.0-x_texCoord.y;"),
TextureTarget.COLOR
)
material.textures.add(sceneTexture) material.textures.add(sceneTexture)
} }
pbr.metallicRoughnessTexture?.let { texture -> pbr.metallicRoughnessTexture?.let { texture ->
@@ -135,7 +143,10 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
cb.filter(MinifyingFilter.LINEAR_MIPMAP_LINEAR, MagnifyingFilter.LINEAR) cb.filter(MinifyingFilter.LINEAR_MIPMAP_LINEAR, MagnifyingFilter.LINEAR)
cb.wrapU = WrapMode.REPEAT cb.wrapU = WrapMode.REPEAT
cb.wrapV = WrapMode.REPEAT cb.wrapV = WrapMode.REPEAT
val sceneTexture = Texture(ModelCoordinates(texture = cb, pre = "x_texCoord.y = 1.0-x_texCoord.y;"), TextureTarget.METALNESS_ROUGHNESS) val sceneTexture = Texture(
ModelCoordinates(texture = cb, pre = "x_texCoord.y = 1.0-x_texCoord.y;"),
TextureTarget.METALNESS_ROUGHNESS
)
material.textures.add(sceneTexture) material.textures.add(sceneTexture)
} }
} }
@@ -145,7 +156,10 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
cb.filter(MinifyingFilter.LINEAR_MIPMAP_LINEAR, MagnifyingFilter.LINEAR) cb.filter(MinifyingFilter.LINEAR_MIPMAP_LINEAR, MagnifyingFilter.LINEAR)
cb.wrapU = WrapMode.REPEAT cb.wrapU = WrapMode.REPEAT
cb.wrapV = WrapMode.REPEAT cb.wrapV = WrapMode.REPEAT
val sceneTexture = Texture(ModelCoordinates(texture = cb, pre = "x_texCoord.y = 1.0-x_texCoord.y;"), TextureTarget.AMBIENT_OCCLUSION) val sceneTexture = Texture(
ModelCoordinates(texture = cb, pre = "x_texCoord.y = 1.0-x_texCoord.y;"),
TextureTarget.AMBIENT_OCCLUSION
)
material.textures.add(sceneTexture) material.textures.add(sceneTexture)
} }
@@ -155,7 +169,13 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
cb.wrapU = WrapMode.REPEAT cb.wrapU = WrapMode.REPEAT
cb.wrapV = WrapMode.REPEAT cb.wrapV = WrapMode.REPEAT
val sceneTexture = Texture(ModelCoordinates(texture = cb, tangentInput = "va_tangent", pre = "x_texCoord.y = 1.0-x_texCoord.y;"), TextureTarget.NORMAL) val sceneTexture = Texture(
ModelCoordinates(
texture = cb,
tangentInput = "va_tangent",
pre = "x_texCoord.y = 1.0-x_texCoord.y;"
), TextureTarget.NORMAL
)
material.textures.add(sceneTexture) material.textures.add(sceneTexture)
} }
@@ -165,7 +185,10 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
emissiveTexture?.let { emissiveTexture?.let {
val cb = images!![textures!![it.index].source].createSceneImage() val cb = images!![textures!![it.index].source].createSceneImage()
val sceneTexture = Texture(ModelCoordinates(texture = cb, pre = "x_texCoord.y = 1.0-x_texCoord.y;"), TextureTarget.EMISSION) val sceneTexture = Texture(
ModelCoordinates(texture = cb, pre = "x_texCoord.y = 1.0-x_texCoord.y;"),
TextureTarget.EMISSION
)
material.textures.add(sceneTexture) material.textures.add(sceneTexture)
} }
@@ -179,7 +202,10 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
cb.filter(MinifyingFilter.LINEAR_MIPMAP_LINEAR, MagnifyingFilter.LINEAR) cb.filter(MinifyingFilter.LINEAR_MIPMAP_LINEAR, MagnifyingFilter.LINEAR)
cb.wrapU = WrapMode.REPEAT cb.wrapU = WrapMode.REPEAT
cb.wrapV = WrapMode.REPEAT cb.wrapV = WrapMode.REPEAT
val sceneTexture = Texture(ModelCoordinates(texture = cb, pre = "x_texCoord.y = 1.0-x_texCoord.y;"), TextureTarget.COLOR) val sceneTexture = Texture(
ModelCoordinates(texture = cb, pre = "x_texCoord.y = 1.0-x_texCoord.y;"),
TextureTarget.COLOR
)
material.textures.add(sceneTexture) material.textures.add(sceneTexture)
} }
occlusionTexture?.let { texture -> occlusionTexture?.let { texture ->
@@ -187,7 +213,10 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
cb.filter(MinifyingFilter.LINEAR_MIPMAP_LINEAR, MagnifyingFilter.LINEAR) cb.filter(MinifyingFilter.LINEAR_MIPMAP_LINEAR, MagnifyingFilter.LINEAR)
cb.wrapU = WrapMode.REPEAT cb.wrapU = WrapMode.REPEAT
cb.wrapV = WrapMode.REPEAT cb.wrapV = WrapMode.REPEAT
val sceneTexture = Texture(ModelCoordinates(texture = cb, pre = "x_texCoord.y = 1.0-x_texCoord.y;"), TextureTarget.AMBIENT_OCCLUSION) val sceneTexture = Texture(
ModelCoordinates(texture = cb, pre = "x_texCoord.y = 1.0-x_texCoord.y;"),
TextureTarget.AMBIENT_OCCLUSION
)
material.textures.add(sceneTexture) material.textures.add(sceneTexture)
} }
} }
@@ -201,12 +230,14 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
fun GltfPrimitive.createScenePrimitive(): MeshPrimitive { fun GltfPrimitive.createScenePrimitive(): MeshPrimitive {
val drawCommand = createDrawCommand(this@buildSceneNodes) val drawCommand = createDrawCommand(this@buildSceneNodes)
val geometry = Geometry(listOf(drawCommand.vertexBuffer), val geometry = Geometry(
drawCommand.indexBuffer, listOf(drawCommand.vertexBuffer),
drawCommand.primitive, drawCommand.indexBuffer,
0, drawCommand.primitive,
drawCommand.vertexCount) 0,
val material = materials?.getOrNull(material)?.createSceneMaterial() ?: PBRMaterial() drawCommand.vertexCount
)
val material = materials.getOrNull(material)?.createSceneMaterial() ?: PBRMaterial()
return MeshPrimitive(geometry, material) return MeshPrimitive(geometry, material)
} }
@@ -214,7 +245,7 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
val sceneNodes = mutableMapOf<GltfNode, SceneNode>() val sceneNodes = mutableMapOf<GltfNode, SceneNode>()
fun GltfNode.createSceneNode(): SceneNode = sceneNodes.getOrPut(this) { fun GltfNode.createSceneNode(): SceneNode = sceneNodes.getOrPut(this) {
val node = GltfSceneNode() val node = GltfSceneNode()
node.name = name ?: "" node.name = name ?: "no name"
node.translation = translation?.let { Vector3(it[0], it[1], it[2]) } ?: Vector3.ZERO node.translation = translation?.let { Vector3(it[0], it[1], it[2]) } ?: Vector3.ZERO
node.scale = scale?.let { Vector3(it[0], it[1], it[2]) } ?: Vector3.ONE node.scale = scale?.let { Vector3(it[0], it[1], it[2]) } ?: Vector3.ONE
node.rotation = rotation?.let { Quaternion(it[0], it[1], it[2], it[3]) } ?: Quaternion.IDENTITY node.rotation = rotation?.let { Quaternion(it[0], it[1], it[2], it[3]) } ?: Quaternion.IDENTITY
@@ -223,7 +254,8 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
node.transform = Matrix44.fromDoubleArray(it).transposed node.transform = Matrix44.fromDoubleArray(it).transposed
} }
for (child in children.orEmpty) { for (child in children.orEmpty) {
node.children.add(nodes[child].createSceneNode()) val childNode = nodes.getOrNull(child) ?: error("child node not found: $child")
node.children.add(childNode.createSceneNode())
} }
node node
} }
@@ -286,7 +318,8 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
val scenes = scenes.map { scene -> val scenes = scenes.map { scene ->
scene.nodes.map { node -> scene.nodes.map { node ->
val gltfNode = nodes[node] val gltfNode = nodes.getOrNull(node) ?: error("node not found: $node")
require(gltfNode != null)
val sceneNode = gltfNode.createSceneNode() val sceneNode = gltfNode.createSceneNode()
sceneNode sceneNode
} }
@@ -369,7 +402,8 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
val outputZ = outputData.getFloat(outputOffset + i * outputStride + 8).toDouble() val outputZ = outputData.getFloat(outputOffset + i * outputStride + 8).toDouble()
keyframer.add(input, Vector3(outputX, outputY, outputZ)) keyframer.add(input, Vector3(outputX, outputY, outputZ))
} }
val target = if (channel.target.path == "translation") sceneNode::translation else sceneNode::scale val target =
if (channel.target.path == "translation") sceneNode::translation else sceneNode::scale
val default = if (channel.target.path == "translation") Vector3.ZERO else Vector3.ONE val default = if (channel.target.path == "translation") Vector3.ZERO else Vector3.ONE
Vector3Channel(target, keyframer, default) Vector3Channel(target, keyframer, default)
} }