better versioning

src/main/java/com/falsepattern/lib/api/ComplexVersion.java

@@ -0,0 +1,50 @@
+package com.falsepattern.lib.api;
+
+import lombok.NonNull;
+import lombok.val;
+
+import java.util.Arrays;
+import java.util.stream.Collectors;
+
+public class ComplexVersion extends Version {
+    final Version[] versions;
+    public ComplexVersion(@NonNull Version mainVersion, Version... subVersions) {
+        this.versions = new Version[subVersions.length + 1];
+        this.versions[0] = mainVersion;
+        System.arraycopy(subVersions, 0, this.versions, 1, subVersions.length);
+    }
+
+    @Override
+    public int compareTo(@NonNull Version o) {
+        if (o instanceof ComplexVersion) {
+            val other = (ComplexVersion) o;
+            int count = Math.min(versions.length, other.versions.length);
+            for (int i = 0; i < count; i++) {
+                val result = versions[i].compareTo(other.versions[i]);
+                if (result != 0) return result;
+            }
+            if (versions.length != other.versions.length) {
+                return versions.length - other.versions.length;
+            } else {
+                return 0;
+            }
+        } else if (o instanceof SemanticVersion) {
+            val other = (SemanticVersion) o;
+            val result = other.compareTo(versions[0]);
+            if (result != 0) {
+                return result;
+            }
+            if (versions.length > 1) {
+                return -1;
+            }
+            return 0;
+        } else {
+            throw new IllegalArgumentException("Could not compare version with class " + o.getClass().getName());
+        }
+    }
+
+    @Override
+    public String toString() {
+        return Arrays.stream(versions).map(Version::toString).collect(Collectors.joining("-"));
+    }
+}

src/main/java/com/falsepattern/lib/api/DependencyLoader.java

@@ -1,10 +1,13 @@
 package com.falsepattern.lib.api;
 
 import com.falsepattern.lib.FalsePatternLib;
+import lombok.Builder;
+import lombok.NonNull;
 
 public class DependencyLoader {
-    public static void loadLibrary(String groupId, String artifactId, String version, String devSuffix, boolean isMod) {
-        FalsePatternLib.loadLibrary(groupId, artifactId, version, devSuffix, isMod);
+    @Builder
+    public static void loadLibrary(String loadingModId, String groupId, String artifactId, @NonNull Version minVersion, Version maxVersion, @NonNull Version preferredVersion, String devSuffix, boolean isMod) {
+        FalsePatternLib.loadLibrary(loadingModId, groupId, artifactId, minVersion, maxVersion, preferredVersion, devSuffix, isMod);
     }
 
     public static void addMavenRepo(String url) {

src/main/java/com/falsepattern/lib/api/SemanticVersion.java

@@ -0,0 +1,70 @@
+package com.falsepattern.lib.api;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NonNull;
+import lombok.val;
+
+import java.util.Objects;
+
+public class SemanticVersion extends Version {
+    @Getter
+    private final int majorVersion;
+    @Getter
+    private final int minorVersion;
+    @Getter
+    private final int patchVersion;
+    @Getter
+    private final String preRelease;
+    @Getter
+    private final String build;
+
+    @Builder
+    public SemanticVersion(int majorVersion, int minorVersion, int patchVersion, String preRelease, String build) {
+        this.majorVersion = majorVersion;
+        this.minorVersion = minorVersion;
+        this.patchVersion = patchVersion;
+        preRelease = preRelease.trim();
+        build = build.trim();
+        this.preRelease = "".equals(preRelease) ? null : preRelease;
+        this.build = "".equals(build) ? null : build;
+    }
+
+    @Override
+    public int compareTo(@NonNull Version o) {
+        if (o instanceof ComplexVersion) {
+            val result = this.compareTo(((ComplexVersion)o).versions[0]);
+            if (result != 0) {
+                return result;
+            } else if (((ComplexVersion) o).versions.length > 1) {
+                return 1;
+            } else {
+                return 0;
+            }
+        } else if (o instanceof SemanticVersion) {
+            val other = (SemanticVersion)o;
+            if (majorVersion != other.majorVersion) {
+                return majorVersion - other.majorVersion;
+            } else if (minorVersion != other.minorVersion) {
+                return minorVersion - other.minorVersion;
+            } else if (patchVersion != other.patchVersion) {
+                return patchVersion - other.patchVersion;
+            } else if (!Objects.equals(preRelease, other.preRelease)) {
+                if (preRelease == null) {
+                    return 1;
+                } else if (other.preRelease == null) {
+                    return -1;
+                }
+                return preRelease.compareTo(other.preRelease);
+            } else {
+                return 0;
+            }
+        }
+        return 0;
+    }
+
+    @Override
+    public String toString() {
+        return majorVersion + "." + minorVersion + "." + patchVersion + (preRelease == null ? "" : "-" + preRelease) + (build == null ? "" : "+" + build);
+    }
+}

src/main/java/com/falsepattern/lib/api/Version.java

@@ -0,0 +1,15 @@
+package com.falsepattern.lib.api;
+
+public abstract class Version implements Comparable<Version> {
+    Version(){}
+
+    public boolean equals(Version other) {
+        return compareTo(other) == 0;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof Version)) return false;
+        return equals((Version) obj);
+    }
+}