Get 1.7.10 working with source remapping

Requires changing the 'core' version to 1.8 before compiling

.drone.yml

@@ -8,9 +8,10 @@ pipeline:
     commands:
       - curl --fail --create-dirs -o $HOME/.gradle/init.d/mirror.gradle https://maven.johni0702.de/config/gradle
       - git config --global user.email "replaymod@drone" && git config --global user.name "Drone"
-      - ./gradlew --old-gradle :1.7.10:setupCIWorkspace :jGui:1.7.10:setupCIWorkspace
-      - ./gradlew --old-gradle
       - ./gradlew --parallel
+      - ./gradlew :1.8:setCoreVersion
+      - ./gradlew --old-gradle :1.7.10:setupCIWorkspace :jGui:1.7.10:setupCIWorkspace
+      - ./gradlew --old-gradle :1.7.10:shadowJar
   archive:
     image: plugins/s3
     acl: public-read

.drone.yml.sig

@@ -1 +1 @@
-eyJhbGciOiJIUzI1NiJ9.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.Po5sYolLeFikmOk8YOsuyvLZL_CAmBYs16K2wAt2Dak
+eyJhbGciOiJIUzI1NiJ9.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.ajofKDkpQ1QgIDmKn8R31iRh_D6NmmC52jAGEfwbVwQ

settings.gradle

@@ -4,14 +4,16 @@ def coreMcVersion = f.exists() ? f.readLines().first() as int : 11302
 def jGuiVersions = []
 def replayModVersions = []
 if (gradle.gradleVersion.startsWith('3.')) {
-    if (coreMcVersion <= 10710) {
+    if (coreMcVersion <= 10800) { // allow 1.8 only to run The Preprocessor
         jGuiVersions += ['core']
         replayModVersions += ['core']
     }
     jGuiVersions += [
+            '1.8', // allow 1.8 only to run The Preprocessor
             '1.7.10',
     ]
     replayModVersions += [
+            '1.8', // allow 1.8 only to run The Preprocessor
             '1.7.10',
     ]
 } else {

src/main/java/com/replaymod/extras/playeroverview/PlayerOverview.java

@@ -28,6 +28,7 @@ import net.minecraftforge.eventbus.api.SubscribeEvent;
 //$$ import cpw.mods.fml.common.eventhandler.EventPriority;
 //$$ import cpw.mods.fml.common.eventhandler.SubscribeEvent;
 //$$ import net.minecraftforge.client.event.RenderPlayerEvent;
+//$$ import java.util.stream.Collectors;
 //#endif
 
 import java.io.IOException;

src/main/java/com/replaymod/recording/handler/RecordingEventHandler.java

@@ -29,7 +29,7 @@ import net.minecraft.util.SoundEvent;
 //#if MC>=10800
 import net.minecraft.util.math.BlockPos;
 //#else
-//$$ import net.minecraft.util.math.MathHelper;
+//$$ import net.minecraft.util.MathHelper;
 //#endif
 
 import java.util.Objects;
@@ -153,7 +153,7 @@ public class RecordingEventHandler {
                 //$$ // Note: this leaves the lastY value offset by the eye height but because it's only used for relative
                 //$$ //       movement, that doesn't matter.
                 //$$ S18PacketEntityTeleport teleportPacket = new S18PacketEntityTeleport(e.player);
-                //$$ teleportPacket.field_149457_c = MathHelper.floor(e.player.boundingBox.minY * 32);
+                //$$ teleportPacket.field_149457_c = MathHelper.floor_double(e.player.boundingBox.minY * 32);
                 //$$ packet = teleportPacket;
                 //#endif
             } else {

versions/common.gradle

@@ -24,7 +24,7 @@ buildscript {
     }
 
     dependencies {
-        if (mcVersion >= 10800) {
+        if (!gradle.gradleVersion.startsWith('3.')) {
             classpath 'com.github.jengelman.gradle.plugins:shadow:4.0.2' // Gradle 4+ only
         }
         classpath 'org.ow2.asm:asm:6.0'
@@ -42,7 +42,7 @@ buildscript {
                 mcVersion >= 10710 ? '1.2-SNAPSHOT' :
                                      'invalid'
         )
-        classpath 'com.github.replaymod:preprocessor:92151f1'
+        classpath 'com.github.replaymod:preprocessor:03f3f44'
     }
 }
 
@@ -56,9 +56,11 @@ def jGuiVersion = project.name
 if (['1.10.2', '1.11', '1.11.2'].contains(jGuiVersion)) jGuiVersion = '1.9.4'
 if (['1.12.1', '1.12.2'].contains(jGuiVersion)) jGuiVersion = '1.12'
 
-if (mcVersion >= 10800) {
+if (!gradle.gradleVersion.startsWith('3.')) {
     apply plugin: 'com.github.johnrengelman.shadow'
+}
 
+if (mcVersion >= 10800) {
     if (FG3) {
         apply plugin: 'net.minecraftforge.gradle'
         // FIXME use mixin plugin once updated
@@ -267,9 +269,11 @@ if (project.name != 'core') {
         minecraft.accessTransformer preprocessedRes + '/META-INF/replaymod_at.cfg'
     }
 
-    project(":jGui:$jGuiVersion").afterEvaluate { jGui ->
-        project.tasks.setCoreVersion.dependsOn jGui.tasks.setCoreVersion
-    }
+    def jGui = project.evaluationDependsOn(":jGui:$jGuiVersion")
+    // Make sure the corresponding jGui setCoreVersion task runs
+    project.tasks.setCoreVersionJava.dependsOn jGui.tasks.setCoreVersion
+    // and it doesn't run too early (i.e. before we're done with preprocessing)
+    jGui.tasks.setCoreVersionJava.mustRunAfter project.tasks.preprocessJava
 } else {
     if (FG3) {
         minecraft.accessTransformers << file('../../src/main/resources/META-INF/replaymod_at.cfg')
@@ -314,7 +318,7 @@ task configureRelocation() {
         }
     }
 }
-if (mcVersion >= 10800) {
+if (!gradle.gradleVersion.startsWith('3.')) { // Gradle 4 (never used for 1.7.10)
     tasks.removeByName('shadowJar') // we want to base our shadowed jar on the reobfJar output, not the sourceSet output
     task shadowJar(type: com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar) {
         from { tasks.jar.archivePath }
@@ -335,6 +339,12 @@ if (mcVersion >= 10800) {
             exclude(dependency('.*spongepowered:mixin:.*'))
         }
     }
+} else if (mcVersion >= 10800) {
+    // Neither Gradle 4 nor MC 1.7.10, we do not support building jars in this configuration, it
+    // is only supported to allow the preprocessor to convert the source from 1.8 to 1.7.10
+    task shadowJar() {
+        doFirst { throw new UnsupportedOperationException('1.8+ jars require Gradle 4') }
+    }
 } else {
     tasks.reobf.dependsOn tasks.configureRelocation