71 lines
3.4 KiB
JavaScript
71 lines
3.4 KiB
JavaScript
// Type definitions
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var Opcodes = Java.type('org.objectweb.asm.Opcodes');
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var InsnList = Java.type('org.objectweb.asm.tree.InsnList');
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var VarInsnNode = Java.type('org.objectweb.asm.tree.VarInsnNode');
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var MethodInsnNode = Java.type('org.objectweb.asm.tree.MethodInsnNode');
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var LdcInsnNode = Java.type('org.objectweb.asm.tree.LdcInsnNode');
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var TypeInsnNode = Java.type('org.objectweb.asm.tree.TypeInsnNode');
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var ASMAPI = Java.type('net.minecraftforge.coremod.api.ASMAPI');
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function initializeCoreMod() {
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return {
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// inserts a hook into EndCityStructure#findGenerationPoint to fix the position of the city if it is in a void world
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'EndCityPatch': {
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'target': {
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'type': 'METHOD',
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'class': 'net.minecraft.world.level.levelgen.structure.structures.EndCityStructure',
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'methodName': 'm_214086_',
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'methodDesc': '(Lnet/minecraft/world/level/levelgen/structure/Structure$GenerationContext;)Ljava/util/Optional;'
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},
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'transformer': function (method) {
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var insnList = method.instructions;
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for (var i = 0; i < insnList.size(); ++i) {
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var insn = insnList.get(i);
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// patch before ASTORE 3
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if (insn.getOpcode() == Opcodes.ASTORE && insn.var == 3) {
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insnList.insertBefore(insn, ASMAPI.listOf(
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new VarInsnNode(Opcodes.ALOAD, 1),
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new MethodInsnNode(Opcodes.INVOKESTATIC, 'thedarkcolour/exdeorum/asm/ASMHooks', 'adjustPos', '(Lnet/minecraft/core/BlockPos;Lnet/minecraft/world/level/levelgen/structure/Structure$GenerationContext;)Lnet/minecraft/core/BlockPos;', false)
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));
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ASMAPI.log('INFO', 'Successfully patched End City generation for void worlds');
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return method;
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}
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}
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ASMAPI.log('ERROR', 'Unable to patch End City generation, void worlds will have no end cities!!!');
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return method;
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}
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},
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// Redirects a field access in the constructor of DedicatedServerProperties from WorldPresets.NORMAL to EWorldPresets.VOID_WORLD
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'DedicatedServerPropertiesPatch': {
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'target': {
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'type': 'METHOD',
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'class': 'net.minecraft.server.dedicated.DedicatedServerProperties',
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'methodName': '<init>',
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'methodDesc': '(Ljava/util/Properties;)V'
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},
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'transformer': function (method) {
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var insnList = method.instructions;
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for (var i = 0; i < insnList.size(); ++i) {
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var insn = insnList.get(i);
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if (insn.getOpcode() === Opcodes.GETSTATIC && (insn.name.equals('f_226437_') || insn.name.equals('NORMAL'))) {
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insn.owner = 'thedarkcolour/exdeorum/registry/EWorldPresets';
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insn.name = 'VOID_WORLD';
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ASMAPI.log('INFO', 'Successfully patched server.properties to use void world type by default');
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return method;
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}
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}
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ASMAPI.log('ERROR', 'Unable to patch server.properties, you will have to set "level-type" to "exdeorum:void_world" manually.');
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return method;
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}
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}
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};
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} |