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[orx-obj-loader] skip padding when saving obj (#353)

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This commit is contained in:
Abe Pazos
2025-01-31 11:21:35 +01:00
committed by GitHub
parent 79e4df32d4
commit b0bfa5c136
1 changed files with 7 additions and 2 deletions
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9
orx-obj-loader/src/jvmMain/kotlin/OBJSaver.kt
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@@ -62,13 +62,18 @@ fun VertexBuffer.saveOBJ(filePath: String) {
// Process the ByteBuffer and populate data structures // Process the ByteBuffer and populate data structures
while (bb.position() < bb.capacity()) { while (bb.position() < bb.capacity()) {
vertexFormat.items.forEach { vertexElement -> vertexFormat.items.forEach { vertexElement ->
val floats = List(vertexElement.type.componentCount) { val componentCount = vertexElement.type.componentCount
val floats = List(componentCount) {
bb.getFloat() bb.getFloat()
}.joinToString(" ") }.joinToString(" ")
val token = tokens[vertexElement.attribute] val token = tokens[vertexElement.attribute]
if (token != null) { if (token != null) {
lastIndices[token] = indexMap[token]!!.add(floats) lastIndices[token] = indexMap[token]!!.add(floats)
} }
// Skip padding
repeat(4 - componentCount) {
bb.getFloat()
}
} }
vertexIndices.add("${lastIndices["v"]}/${lastIndices["vt"]}/${lastIndices["vn"]}") vertexIndices.add("${lastIndices["v"]}/${lastIndices["vt"]}/${lastIndices["vn"]}")
} }
@@ -84,8 +89,8 @@ fun VertexBuffer.saveOBJ(filePath: String) {
// Write v, vt, vn blocks // Write v, vt, vn blocks
indexMap.forEach { (token, verts) -> indexMap.forEach { (token, verts) ->
appendLine(verts.toObjBlock(token)) appendLine(verts.toObjBlock(token))
} }
// Write faces processing three vertices at a time // Write faces processing three vertices at a time
vertexIndices.chunked(3) { vertexIndices.chunked(3) {
appendLine("f ${it[0]} ${it[1]} ${it[2]}") appendLine("f ${it[0]} ${it[1]} ${it[2]}")