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feat: Automatically detect clientside-only mods for Minecraft modpack…
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…s version 1.12 and older.
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@Griefed
Griefed committed Aug 19, 2021
1 parent 534e4f4 commit e17322e
Showing 1 changed file with 179 additions and 14 deletions.
193 changes: 179 additions & 14 deletions backend/main/java/de/griefed/serverpackcreator/ServerPackHandler.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
package de.griefed.serverpackcreator;

import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.moandjiezana.toml.Toml;
import de.griefed.serverpackcreator.curseforge.CurseCreateModpack;
Expand Down Expand Up @@ -574,23 +575,25 @@ void copyFiles(String modpackDir, List<String> directoriesToCopy, List<String> c
* clientside-only mods for Minecraft 1.13+, if the mods <code>mods.toml</code>-file is correctly set up.
* @author Griefed
* @param modsDir String. The mods-directory of the modpack of which to generate a list of all it's contents.
* @param clientMods List String. A list of all clientside-only mods.
* @param userSpecifiedClientMods List String. A list of all clientside-only mods.
* @param minecraftVersion String. The Minecraft version the modpack uses. Determines whether mods are scanned for sideness.
* @return List String. A list of all mods to include in the server pack.
*/
List<String> excludeClientMods(String modsDir, List<String> clientMods, String minecraftVersion) {
List<String> excludeClientMods(String modsDir, List<String> userSpecifiedClientMods, String minecraftVersion) {
LOG.info(LOCALIZATIONMANAGER.getLocalizedString("createserverpack.log.info.excludeclientmods"));

File[] filesInModsDir = new File(modsDir).listFiles();
assert filesInModsDir != null;

List<String> modsInModpack = new ArrayList<>();
List<String> modsDelta = new ArrayList<>();
List<String> autodiscoveredClientMods = new ArrayList<>();

String[] split = minecraftVersion.split("\\.");

if (Integer.parseInt(split[1]) > 12) {
modsDelta.addAll(scanTomls(filesInModsDir));
autodiscoveredClientMods.addAll(scanTomls(filesInModsDir));
} else {
autodiscoveredClientMods.addAll(scanAnnotations(filesInModsDir));
}

try {
Expand All @@ -603,27 +606,27 @@ List<String> excludeClientMods(String modsDir, List<String> clientMods, String m
LOG.error(LOCALIZATIONMANAGER.getLocalizedString("createserverpack.log.error.excludeclientmods"), np);
}

if (!clientMods.get(0).equals("")) {
for (int iclient = 0; iclient < clientMods.size(); iclient++) {
if (!userSpecifiedClientMods.get(0).equals("")) {
for (int m = 0; m < userSpecifiedClientMods.size(); m++) {

int i = iclient;
int i = m;

if (modsInModpack.removeIf(n -> (n.contains(clientMods.get(i))))) {
if (modsInModpack.removeIf(n -> (n.contains(userSpecifiedClientMods.get(i))))) {
// TODO: Replace with lang key
LOG.debug("Removed from mods list: " + clientMods.get(i));
LOG.debug("Removed user-specified mod from mods list as per input: " + userSpecifiedClientMods.get(i));
}

}
}

if (modsDelta.size() > 0) {
for (int iclient = 0; iclient < modsDelta.size(); iclient++) {
if (autodiscoveredClientMods.size() > 0) {
for (int m = 0; m < autodiscoveredClientMods.size(); m++) {

int i = iclient;
int i = m;

if (modsInModpack.removeIf(n -> (n.replace("\\", "/").contains(modsDelta.get(i))))) {
if (modsInModpack.removeIf(n -> (n.replace("\\", "/").contains(autodiscoveredClientMods.get(i))))) {
// TODO: Replace with lang key
LOG.debug("Automatically excluding mod: " + modsDelta.get(i));
LOG.debug("Automatically excluding mod: " + autodiscoveredClientMods.get(i));
}
}
}
Expand Down Expand Up @@ -1275,6 +1278,9 @@ void cleanUpServerPack(File fabricInstaller, File forgeInstaller, String modLoad
*/
private List<String> scanTomls(File[] filesInModsDir) {

// TODO: Replace with lang key
LOG.info("Scanning 1.13+ mods for sideness...");

List<String> serverMods = new ArrayList<>();
List<String> modsDelta = new ArrayList<>();

Expand Down Expand Up @@ -1431,4 +1437,163 @@ private List<String> scanTomls(File[] filesInModsDir) {

return modsDelta;
}

private List<String> scanAnnotations(File[] filesInModsDir) {

// TODO: Replace with lang key
LOG.info("Scanning 1.12- mods for sideness...");

List<String> modDependencies = new ArrayList<>();
List<String> clientMods = new ArrayList<>();
List<String> modsDelta = new ArrayList<>();

for (File mod : filesInModsDir) {
if (mod.toString().endsWith("jar")) {

try {
String modToCheck = mod.toString().replace("\\", "/");
URL urlToJson = new URL(String.format("jar:file:%s!/META-INF/fml_cache_annotation.json", modToCheck));
InputStream inputStream = urlToJson.openStream();
JsonNode modJson = getObjectMapper().readTree(inputStream);
String modId = null;

//base of json
for (JsonNode node : modJson) {

try {
// iterate though annotations
for (JsonNode child : node.get("annotations")) {

// Get the modId
try {
if (!child.get("values").get("modid").get("value").asText().isEmpty()) {
modId = child.get("values").get("modid").get("value").asText();
}
} catch (NullPointerException ignored) {}

// Add mod to list of clientmods if clientSideOnly is true
try {
if (child.get("values").get("clientSideOnly").get("value").asText().equalsIgnoreCase("true")) {
if (!clientMods.contains(modId)) {
clientMods.add(modId);

// TODO: Replace with lang key
LOG.debug("Added clientMod: " + modId);
}
}
} catch (NullPointerException ignored) {}

// Get dependency modIds
try {
if (!child.get("values").get("dependencies").get("value").asText().isEmpty()) {

if (child.get("values").get("dependencies").get("value").asText().contains(";")) {

String [] dependencies = child.get("values").get("dependencies").get("value").asText().split(";");

for (String dependency : dependencies) {

if (dependency.matches("(before:.*|after:.*|)")) {

dependency = dependency.substring(dependency.lastIndexOf(":") + 1).replaceAll("(@.*|\\[.*)", "");

if (!modDependencies.contains(dependency) && !dependency.equalsIgnoreCase("forge") && !dependency.equals("*")) {
modDependencies.add(dependency);

// TODO: Replace with lang key
LOG.debug("Added dependency " + dependency);
}

}

}
} else {
if (child.get("values").get("dependencies").get("value").asText().matches("(before:.*|after:.*|)")) {

String dependency = child.get("values").get("dependencies").get("value").asText().substring(child.get("values").get("dependencies").get("value").asText().lastIndexOf(":") + 1).replaceAll("(@.*|\\[.*)", "");

if (!modDependencies.contains(dependency) && !dependency.equalsIgnoreCase("forge") && !dependency.equals("*")) {
modDependencies.add(dependency);

// TODO: Replace with lang key
LOG.debug("Added dependency " + dependency);
}

}
}

}
} catch (NullPointerException ignored) {}

}

} catch (NullPointerException ignored) {}

}

inputStream.close();
} catch(IOException ignored) {}

}

}

for (String dependency : modDependencies) {

clientMods.removeIf(n -> (n.contains(dependency)));

// TODO: Replace with lang key
LOG.debug("Removing " + dependency + " from list of clientmods as it is a dependency for another mod.");
}

for (File mod : filesInModsDir) {
try {

String modToCheck = mod.toString().replace("\\", "/");
URL urlToJson = new URL(String.format("jar:file:%s!/META-INF/fml_cache_annotation.json", modToCheck));
InputStream inputStream = urlToJson.openStream();
JsonNode modJson = getObjectMapper().readTree(inputStream);
String modIdTocheck = null;

boolean addToDelta = false;

//base of json
for (JsonNode node : modJson) {

try {
// iterate though annotations
for (JsonNode child : node.get("annotations")) {

// Get the modId
try {
if (!child.get("values").get("modid").get("value").asText().isEmpty()) {
modIdTocheck = child.get("values").get("modid").get("value").asText();
}
} catch (NullPointerException ignored) {}

// Add mod to list of clientmods if clientSideOnly is true
try {
if (child.get("values").get("clientSideOnly").get("value").asText().equalsIgnoreCase("true")) {
if (clientMods.contains(modIdTocheck)) {
addToDelta = true;
}
}
} catch (NullPointerException ignored) {}

}
} catch (NullPointerException ignored) {}

}

if (addToDelta) {
modsDelta.add(modToCheck);

}

} catch (IOException ignored) {
}
}

return modsDelta;
}
}

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