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33 changes: 33 additions & 0 deletions
33
odinmain/src/main/kotlin/me/odinmain/lwjgl/LWJGLFunctionProvider.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package me.odinmain.lwjgl | ||
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| import org.lwjgl.opengl.GLContext | ||
| import org.lwjgl.system.FunctionProvider | ||
| import java.lang.reflect.Method | ||
| import java.nio.ByteBuffer | ||
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| class LWJGLFunctionProvider : FunctionProvider { | ||
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| private var getFunctionAddress: Method? = null | ||
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| init { | ||
| try { | ||
| getFunctionAddress = GLContext::class.java.getDeclaredMethod("getFunctionAddress", String::class.java) | ||
| getFunctionAddress?.isAccessible = true | ||
| } catch (e: Exception) { | ||
| throw RuntimeException(e) | ||
| } | ||
| } | ||
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| override fun getFunctionAddress(functionName: CharSequence): Long { | ||
| try { | ||
| return getFunctionAddress!!.invoke(null, functionName.toString()) as Long | ||
| } catch (e: Exception) { | ||
| throw RuntimeException(e) | ||
| } | ||
| } | ||
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| override fun getFunctionAddress(byteBuffer: ByteBuffer?): Long { | ||
| throw UnsupportedOperationException() | ||
| } | ||
|
|
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| package me.odinmain.lwjgl | ||
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| import net.minecraft.client.Minecraft | ||
| import net.minecraft.client.gui.GuiScreen | ||
| import net.minecraft.client.renderer.GlStateManager | ||
| import net.minecraftforge.fml.common.eventhandler.SubscribeEvent | ||
| import net.minecraftforge.fml.common.gameevent.TickEvent | ||
| import org.lwjgl.nanovg.NVGColor | ||
| import org.lwjgl.nanovg.NanoVG.* | ||
| import org.lwjgl.nanovg.NanoVGGL2.NVG_ANTIALIAS | ||
| import org.lwjgl.nanovg.NanoVGGL2.nvgCreate | ||
| import org.lwjgl.opengl.Display | ||
| import org.lwjgl.opengl.GL11 | ||
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| class LWJGLTest : GuiScreen() { | ||
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| var vg: Long = 0 | ||
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| override fun drawScreen(mouseX: Int, mouseY: Int, partialTicks: Float) { | ||
| super.drawScreen(mouseX, mouseY, partialTicks) | ||
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| if (vg == 0L) { | ||
| vg = nvgCreate(NVG_ANTIALIAS) | ||
| if (vg == 0L) { | ||
| throw RuntimeException("Failed to create nvg context") | ||
| } | ||
| } | ||
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| val fb = Minecraft.getMinecraft().framebuffer | ||
| if (!fb.isStencilEnabled) { | ||
| fb.enableStencil() | ||
| } | ||
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| GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS) | ||
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| nvgBeginFrame(vg, Display.getWidth().toFloat(), Display.getHeight().toFloat(), 1f) | ||
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| nvgBeginPath(vg) | ||
| nvgRect(vg, 100f, 100f, 120f, 30f) | ||
| nvgCircle(vg, 120f, 120f, 5f) | ||
| nvgPathWinding(vg, NVG_HOLE) | ||
| val color = NVGColor.create() | ||
| nvgRGBA(255.toByte(), 192.toByte(), 0.toByte(), 255.toByte(), color) | ||
| nvgFillColor(vg, color) | ||
| nvgFill(vg) | ||
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| nvgEndFrame(vg) | ||
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| GlStateManager.popAttrib() | ||
| } | ||
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| var gui: GuiScreen = LWJGLTest() | ||
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| @SubscribeEvent | ||
| fun onTick(event: TickEvent.ClientTickEvent) { | ||
| if (mc.thePlayer != null && mc.thePlayer != null) { | ||
| Minecraft.getMinecraft().displayGuiScreen(gui) | ||
| } | ||
| } | ||
|
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| } |
57 changes: 57 additions & 0 deletions
57
odinmain/src/main/kotlin/me/odinmain/lwjgl/plugin/LWJGLClassTransformer.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package me.odinmain.lwjgl.plugin | ||
|
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| import net.minecraft.launchwrapper.IClassTransformer | ||
| import org.objectweb.asm.ClassReader | ||
| import org.objectweb.asm.ClassWriter | ||
| import org.objectweb.asm.Opcodes | ||
| import org.objectweb.asm.tree.* | ||
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| class LWJGLClassTransformer : IClassTransformer { | ||
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| override fun transform(name: String, transformedName: String, basicClass: ByteArray): ByteArray { | ||
| if (name == "org.lwjgl.nanovg.NanoVGGLConfig") { | ||
| val reader = ClassReader(basicClass) | ||
| val node = ClassNode() | ||
| reader.accept(node, ClassReader.EXPAND_FRAMES) | ||
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| for (method in node.methods) { | ||
| if (method.name == "configGL") { | ||
| val list = InsnList() | ||
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| list.add(VarInsnNode(Opcodes.LLOAD, 0)) | ||
| list.add(TypeInsnNode(Opcodes.NEW, "me/odinmain/lwjgl/LWJGLFunctionProvider")) | ||
| list.add(InsnNode(Opcodes.DUP)) | ||
| list.add( | ||
| MethodInsnNode( | ||
| Opcodes.INVOKESPECIAL, | ||
| "me/main/lwjgl/FunctionProvider", | ||
| "<init>", | ||
| "()V", | ||
| false | ||
| ) | ||
| ) | ||
| list.add( | ||
| MethodInsnNode( | ||
| Opcodes.INVOKESTATIC, | ||
| "org/lwjgl/nanovg/NanoVGGLConfig", | ||
| "config", | ||
| "(JLorg/lwjgl/system/FunctionProvider;)V", | ||
| false | ||
| ) | ||
| ) | ||
| list.add(InsnNode(Opcodes.RETURN)) | ||
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| method.instructions.clear() | ||
| method.instructions.insert(list) | ||
| } | ||
| } | ||
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| val cw = ClassWriter(ClassWriter.COMPUTE_FRAMES) | ||
| node.accept(cw) | ||
| return cw.toByteArray() | ||
| } | ||
| return basicClass | ||
| } | ||
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| } |
40 changes: 40 additions & 0 deletions
40
odinmain/src/main/kotlin/me/odinmain/lwjgl/plugin/LWJGLLoadingPlugin.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| package me.odinmain.lwjgl.plugin | ||
|
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| import net.minecraft.launchwrapper.Launch | ||
| import net.minecraft.launchwrapper.LaunchClassLoader | ||
| import net.minecraftforge.fml.relauncher.IFMLLoadingPlugin | ||
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| class LWJGLLoadingPlugin : IFMLLoadingPlugin { | ||
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| init { | ||
| try { | ||
| val exceptionsField = LaunchClassLoader::class.java.getDeclaredField("classLoaderExceptions") | ||
| exceptionsField.isAccessible = true | ||
| val exceptions = exceptionsField[Launch.classLoader] as MutableSet<*> | ||
| exceptions.remove("org.lwjgl.") | ||
| } catch (e: Exception) { | ||
| throw RuntimeException("e") | ||
| } | ||
| } | ||
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| override fun getASMTransformerClass(): Array<String> { | ||
| return arrayOf("me.odinmain.lwjgl.plugin.LWJGLClassTransformer") | ||
| } | ||
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| override fun getModContainerClass(): String? { | ||
| return null | ||
| } | ||
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| override fun getSetupClass(): String? { | ||
| return null | ||
| } | ||
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| override fun injectData(data: Map<String, Any>) { | ||
| } | ||
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| override fun getAccessTransformerClass(): String? { | ||
| return null | ||
| } | ||
|
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| } |