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change the OptiFine dev tweaker to work with OF 1.8.x H5 and later

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This commit is contained in:
octarine-noise
2016-03-21 20:51:37 +01:00
parent c0be72bb37
commit abf037d8a9
1 changed files with 10 additions and 5 deletions
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15
src/main/kotlin/optifine/OptifineTweakerDevWrapper.kt
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@@ -1,9 +1,12 @@
package optifine
import mods.octarinecore.tryDefault
import net.minecraft.launchwrapper.IClassTransformer
import net.minecraft.launchwrapper.ITweaker
import net.minecraft.launchwrapper.LaunchClassLoader
import java.io.File
import java.net.URLClassLoader
import java.util.zip.ZipFile
class OptifineTweakerDevWrapper : ITweaker {
override fun acceptOptions(p0: MutableList<String>?, p1: File?, p2: File?, p3: String?) { }
@@ -15,19 +18,21 @@ class OptifineTweakerDevWrapper : ITweaker {
}
/**
* Wrapper around Optifine's class transformer.
* Replacement for OptiFine's class transformer. Implements the pre-1.8.x-H5 way of operation.
*
* This class is only used in development to debug cross-mod issues with Optifine, and
* is not part of the release!
*/
class OptifineTransformerDevWrapper : IClassTransformer {
val ofTransformer = Class.forName("optifine.OptiFineClassTransformer").newInstance() as IClassTransformer
val ofZip = (this.javaClass.classLoader as? URLClassLoader)?.urLs?.find {
val zipFile = tryDefault(null) { ZipFile(File(it.toURI())) }
zipFile?.getEntry("optifine/OptiFineClassTransformer.class") != null
}?.let { ZipFile(File(it.toURI())) }
/**
* Call the Optifine transformer, but change dots to slashes in class names.
* This enables the Optifine transformer to load replacements from non-root locations in the jar file.
* Load replacement classes from the OptiFine Jar.
*/
override fun transform(name: String?, transformedName: String?, classData: ByteArray?) =
ofTransformer.transform(name?.replace(".", "/"), transformedName, classData)
ofZip?.getEntry(name?.replace(".", "/") + ".class")?.let { ofZip.getInputStream(it).readBytes() } ?: classData
}