Add animations to the model

collada-api/build.gradle.kts

@@ -58,6 +58,11 @@ kotlin {
                 api("org.jetbrains.kotlinx:kotlinx-serialization-runtime:0.14.0")
             }
         }
+        jvm().compilations["test"].defaultSourceSet {
+            dependencies {
+                implementation(kotlin("test-junit"))
+            }
+        }
 
         js().compilations["main"].defaultSourceSet {
             dependencies {

collada-api/src/commonMain/kotlin/collada/Animations.kt

@@ -0,0 +1,36 @@
+package collada
+
+import kotlinx.serialization.SerialId
+import kotlinx.serialization.Serializable
+
+interface AnimationsDescription
+
+@Serializable
+object EmptyAnimations : AnimationsDescription
+
+@Serializable
+class Animations(
+    @SerialId(1)
+    val animations: List<Animation> = emptyList()
+) : AnimationsDescription
+
+
+@Serializable
+class Animation(
+    @SerialId(1)
+    val name: String,
+    @SerialId(2)
+    val boneId: String,
+    @SerialId(3)
+    val keyFrames: List<KeyFrame>
+)
+
+@Serializable
+class KeyFrame(
+    @SerialId(1)
+    val time: Float,
+    @SerialId(2)
+    val transformation: Transformation,
+    @SerialId(3)
+    val interpolation: String // not used now
+)

collada-api/src/commonMain/kotlin/collada/Model.kt

@@ -13,7 +13,11 @@ class Model(
     @SerialId(1)
     val mesh: Mesh,
     @SerialId(2)
-    @Polymorphic val armature: ArmatureDescription
+    @Polymorphic val armature: ArmatureDescription,
+    @SerialId(3)
+    @Polymorphic val skin: SkinDescription,
+    @SerialId(4)
+    @Polymorphic val animations: AnimationsDescription
 ) {
 
     companion object {
@@ -28,12 +32,21 @@ class Model(
             return deserializer.load(serializer(), data)
         }
 
-        fun serialModule(): SerialModule {
+        private fun serialModule(): SerialModule {
             return SerializersModule {
                 polymorphic<ArmatureDescription> {
                     Armature::class with Armature.serializer()
                     EmptyArmature::class with EmptyArmature.serializer()
                 }
+                polymorphic<AnimationsDescription> {
+                    Animations::class with Animations.serializer()
+                    EmptyAnimations::class with EmptyAnimations.serializer()
+                }
+
+                polymorphic<SkinDescription> {
+                    Skin::class with Skin.serializer()
+                    EmptySkin::class with EmptySkin.serializer()
+                }
             }
         }
 

collada-api/src/commonMain/kotlin/collada/Skin.kt

@@ -1,9 +1,26 @@
 package collada
 
+import kotlinx.serialization.SerialId
+import kotlinx.serialization.Serializable
+
 interface SkinDescription
 
+@Serializable
 object EmptySkin : SkinDescription
 
-class Skin(
+@Serializable
+class WeightInfluence(
+    @SerialId(1)
+    val boneId: String,
+    @SerialId(2)
+    val weight: Float
+)
 
-) : SkinDescription
+@Serializable
+class Influence(@SerialId(1) val weights: List<WeightInfluence> = emptyList())
+
+@Serializable
+class Skin(
+    @SerialId(1)
+    val influences: List<Influence> = emptyList()
+) : SkinDescription

collada-api/src/commonTest/kotlin/collada/ReadWriteTest.kt

@@ -1,6 +1,5 @@
 package collada
 
-import kotlin.test.Ignore
 import kotlin.test.Test
 
 interface Content<T> {

collada-api/src/commonTest/resources/cube.json

@@ -1 +1 @@
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+{"mesh":{"vertices":[{"position":{"x":-1.0,"y":-1.0,"z":1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":-1.0,"y":0.0,"z":0.0}},{"position":{"x":-1.0,"y":1.0,"z":-1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":-1.0,"y":0.0,"z":0.0}},{"position":{"x":-1.0,"y":-1.0,"z":-1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":-1.0,"y":0.0,"z":0.0}},{"position":{"x":-1.0,"y":1.0,"z":1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":1.0,"z":0.0}},{"position":{"x":1.0,"y":1.0,"z":-1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":1.0,"z":0.0}},{"position":{"x":-1.0,"y":1.0,"z":-1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":1.0,"z":0.0}},{"position":{"x":1.0,"y":1.0,"z":1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":1.0,"y":0.0,"z":0.0}},{"position":{"x":1.0,"y":-1.0,"z":-1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":1.0,"y":0.0,"z":0.0}},{"position":{"x":1.0,"y":1.0,"z":-1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":1.0,"y":0.0,"z":0.0}},{"position":{"x":1.0,"y":-1.0,"z":1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":-1.0,"z":0.0}},{"position":{"x":-1.0,"y":-1.0,"z":-1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":-1.0,"z":0.0}},{"position":{"x":1.0,"y":-1.0,"z":-1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":-1.0,"z":0.0}},{"position":{"x":1.0,"y":1.0,"z":-1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":-1.0}},{"position":{"x":-1.0,"y":-1.0,"z":-1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":-1.0}},{"position":{"x":-1.0,"y":1.0,"z":-1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":-1.0}},{"position":{"x":-1.0,"y":1.0,"z":1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":1.0}},{"position":{"x":1.0,"y":-1.0,"z":1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":1.0}},{"position":{"x":1.0,"y":1.0,"z":1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":1.0}},{"position":{"x":-1.0,"y":1.0,"z":1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":-1.0,"y":0.0,"z":0.0}},{"position":{"x":1.0,"y":1.0,"z":1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":1.0,"z":0.0}},{"position":{"x":1.0,"y":-1.0,"z":1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":1.0,"y":0.0,"z":0.0}},{"position":{"x":-1.0,"y":-1.0,"z":1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":-1.0,"z":0.0}},{"position":{"x":1.0,"y":-1.0,"z":-1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":-1.0}},{"position":{"x":-1.0,"y":-1.0,"z":1.0},"color":{"r":1.0,"g":0.0,"b":0.0,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":1.0}}],"verticesOrder":[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,0,18,1,3,19,4,6,20,7,9,21,10,12,22,13,15,23,16]},"armature":{"type":"collada.EmptyArmature"},"skin":{"type":"collada.EmptySkin"},"animations":{"type":"collada.EmptyAnimations"}}

collada-api/src/commonTest/resources/cube_color.json

@@ -1 +1 @@
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+{"mesh":{"vertices":[{"position":{"x":-1.0,"y":1.0,"z":1.0},"color":{"r":1.0,"g":0.4431372,"b":0.7254902,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":1.0}},{"position":{"x":1.0,"y":-1.0,"z":1.0},"color":{"r":1.0,"g":0.4431372,"b":0.7254902,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":1.0}},{"position":{"x":1.0,"y":1.0,"z":1.0},"color":{"r":1.0,"g":0.4431372,"b":0.7254902,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":1.0}},{"position":{"x":1.0,"y":-1.0,"z":1.0},"color":{"r":0.1294118,"g":0.0,"b":1.0,"a":1.0},"normal":{"x":0.0,"y":-1.0,"z":0.0}},{"position":{"x":-1.0,"y":-1.0,"z":-1.0},"color":{"r":0.1294118,"g":0.0,"b":1.0,"a":1.0},"normal":{"x":0.0,"y":-1.0,"z":0.0}},{"position":{"x":1.0,"y":-1.0,"z":-1.0},"color":{"r":0.1294118,"g":0.0,"b":1.0,"a":1.0},"normal":{"x":0.0,"y":-1.0,"z":0.0}},{"position":{"x":-1.0,"y":-1.0,"z":1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":-1.0,"y":0.0,"z":0.0}},{"position":{"x":-1.0,"y":1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":-1.0,"y":0.0,"z":0.0}},{"position":{"x":-1.0,"y":-1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":-1.0,"y":0.0,"z":0.0}},{"position":{"x":1.0,"y":1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":-1.0}},{"position":{"x":-1.0,"y":-1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":-1.0}},{"position":{"x":-1.0,"y":1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":-1.0}},{"position":{"x":1.0,"y":1.0,"z":1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":1.0,"y":0.0,"z":0.0}},{"position":{"x":1.0,"y":-1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":1.0,"y":0.0,"z":0.0}},{"position":{"x":1.0,"y":1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":1.0,"y":0.0,"z":0.0}},{"position":{"x":-1.0,"y":1.0,"z":1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":0.0,"y":1.0,"z":0.0}},{"position":{"x":1.0,"y":1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":0.0,"y":1.0,"z":0.0}},{"position":{"x":-1.0,"y":1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":0.0,"y":1.0,"z":0.0}},{"position":{"x":-1.0,"y":1.0,"z":1.0},"color":{"r":1.0,"g":0.4431372,"b":0.7254902,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":1.0}},{"position":{"x":-1.0,"y":-1.0,"z":1.0},"color":{"r":1.0,"g":0.4431372,"b":0.7254902,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":1.0}},{"position":{"x":1.0,"y":-1.0,"z":1.0},"color":{"r":1.0,"g":0.4431372,"b":0.7254902,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":1.0}},{"position":{"x":1.0,"y":-1.0,"z":1.0},"color":{"r":0.1294118,"g":0.0,"b":1.0,"a":1.0},"normal":{"x":0.0,"y":-1.0,"z":0.0}},{"position":{"x":-1.0,"y":-1.0,"z":1.0},"color":{"r":0.1294118,"g":0.0,"b":1.0,"a":1.0},"normal":{"x":0.0,"y":-1.0,"z":0.0}},{"position":{"x":-1.0,"y":-1.0,"z":-1.0},"color":{"r":0.1294118,"g":0.0,"b":1.0,"a":1.0},"normal":{"x":0.0,"y":-1.0,"z":0.0}},{"position":{"x":-1.0,"y":-1.0,"z":1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":-1.0,"y":0.0,"z":0.0}},{"position":{"x":-1.0,"y":1.0,"z":1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":-1.0,"y":0.0,"z":0.0}},{"position":{"x":-1.0,"y":1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":-1.0,"y":0.0,"z":0.0}},{"position":{"x":1.0,"y":1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":-1.0}},{"position":{"x":1.0,"y":-1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":-1.0}},{"position":{"x":-1.0,"y":-1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":0.0,"y":0.0,"z":-1.0}},{"position":{"x":1.0,"y":1.0,"z":1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":1.0,"y":0.0,"z":0.0}},{"position":{"x":1.0,"y":-1.0,"z":1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":1.0,"y":0.0,"z":0.0}},{"position":{"x":1.0,"y":-1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":1.0,"y":0.0,"z":0.0}},{"position":{"x":-1.0,"y":1.0,"z":1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":0.0,"y":1.0,"z":0.0}},{"position":{"x":1.0,"y":1.0,"z":1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":0.0,"y":1.0,"z":0.0}},{"position":{"x":1.0,"y":1.0,"z":-1.0},"color":{"r":0.5019608,"g":1.0,"b":0.772549,"a":1.0},"normal":{"x":0.0,"y":1.0,"z":0.0}}],"verticesOrder":[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35]},"armature":{"type":"collada.EmptyArmature"},"skin":{"type":"collada.EmptySkin"},"animations":{"type":"collada.EmptyAnimations"}}

collada-api/src/jvmTest/kotlin/collada/FileHandler.kt

@@ -12,7 +12,7 @@ class SyncContent<T>(private val content: T) : Content<T> {
 actual class FileHandler {
 
     actual fun readBytes(name: String): Content<ByteArray> {
-        return SyncContent(File(name).readBytes())
+        return SyncContent(File("src/commonTest/resources/$name").readBytes())
     }
 
     actual companion object {

collada-parser/src/main/kotlin/collada/Converter.kt

@@ -1,5 +1,6 @@
 package collada
 
+import collada.internal.AnimationConverter
 import collada.internal.ArmatureConverter
 import collada.internal.MeshConverter
 import collada.internal.SkinConverter
@@ -29,16 +30,20 @@ class Converter(private val input: File) {
     private val meshConverter = MeshConverter()
     private val armatureConverter = ArmatureConverter()
     private val skinConverter = SkinConverter()
+    private val animationsConverter = AnimationConverter()
 
     private fun convertToModel(): Model {
         val document: Document = Jsoup.parse(input.readText(), "", Parser.xmlParser())
         val mesh = meshConverter.convert(document)
         val armature = armatureConverter.convert(document)
         val skin = skinConverter.convert(document)
+        val animations = animationsConverter.convert(document)
 
         val model = Model(
             mesh = mesh,
-            armature = armature
+            armature = armature,
+            skin = skin,
+            animations = animations
         )
         return model
     }