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| 1 | +package net.minestom.codegen.entity; |
| 2 | + |
| 3 | +import com.google.gson.JsonArray; |
| 4 | +import com.google.gson.JsonElement; |
| 5 | +import com.google.gson.JsonObject; |
| 6 | +import com.squareup.javapoet.*; |
| 7 | +import net.minestom.codegen.MinestomCodeGenerator; |
| 8 | +import org.jetbrains.annotations.ApiStatus; |
| 9 | +import org.jetbrains.annotations.NotNull; |
| 10 | +import org.jetbrains.annotations.Nullable; |
| 11 | +import org.slf4j.Logger; |
| 12 | +import org.slf4j.LoggerFactory; |
| 13 | +import net.minestom.codegen.util.GenerationHelper; |
| 14 | + |
| 15 | +import javax.lang.model.element.Modifier; |
| 16 | +import java.io.File; |
| 17 | +import java.io.InputStream; |
| 18 | +import java.io.InputStreamReader; |
| 19 | +import java.util.List; |
| 20 | + |
| 21 | +import static net.minestom.codegen.util.GenerationHelper.*; |
| 22 | + |
| 23 | +@ApiStatus.NonExtendable |
| 24 | +@ApiStatus.Internal |
| 25 | +public final class VillagerProfessionGenerator extends MinestomCodeGenerator { |
| 26 | + |
| 27 | + private static final String VILLAGER_PROFESSION_DATE = "villagerProfessionData"; |
| 28 | + private static final Logger LOGGER = LoggerFactory.getLogger(VillagerProfessionGenerator.class); |
| 29 | + private final InputStream villagerProfessionsFile; |
| 30 | + private final File outputFolder; |
| 31 | + |
| 32 | + |
| 33 | + public VillagerProfessionGenerator(@Nullable InputStream villagerProfessionsFile, @NotNull File outputFolder) { |
| 34 | + this.villagerProfessionsFile = villagerProfessionsFile; |
| 35 | + this.outputFolder = outputFolder; |
| 36 | + } |
| 37 | + |
| 38 | + @Override |
| 39 | + public void generate() { |
| 40 | + if (villagerProfessionsFile == null) { |
| 41 | + LOGGER.error("Failed to find villager_professions.json."); |
| 42 | + LOGGER.error("Stopped code generation for villager professions."); |
| 43 | + return; |
| 44 | + } |
| 45 | + if (!outputFolder.exists() && !outputFolder.mkdirs()) { |
| 46 | + LOGGER.error("Output folder for code generation does not exist and could not be created."); |
| 47 | + return; |
| 48 | + } |
| 49 | + // Important classes we use alot |
| 50 | + ClassName rawVillagerProfessionDataClassName = ClassName.get("net.minestom.server.raw_data", "RawVillagerProfessionData"); |
| 51 | + |
| 52 | + JsonArray villagerProfessions = GSON.fromJson(new InputStreamReader(villagerProfessionsFile), JsonArray.class); |
| 53 | + ClassName villagerProfessionClassName = ClassName.get("net.minestom.server.entity.metadata.villager", "VillagerProfession"); |
| 54 | + |
| 55 | + // Particle |
| 56 | + TypeSpec.Builder villagerProfessionClass = TypeSpec.classBuilder(villagerProfessionClassName) |
| 57 | + .addSuperinterface(KEYORI_ADVENTURE_KEY) |
| 58 | + .addModifiers(Modifier.PUBLIC).addJavadoc("AUTOGENERATED by " + getClass().getSimpleName()); |
| 59 | + villagerProfessionClass.addField( |
| 60 | + FieldSpec.builder(NAMESPACE_ID_CLASS, "id") |
| 61 | + .addModifiers(Modifier.PRIVATE, Modifier.FINAL).addAnnotation(NotNull.class).build() |
| 62 | + ); |
| 63 | + villagerProfessionClass.addField( |
| 64 | + FieldSpec.builder(rawVillagerProfessionDataClassName, VILLAGER_PROFESSION_DATE) |
| 65 | + .addModifiers(Modifier.PRIVATE, Modifier.VOLATILE) |
| 66 | + .addAnnotation(NotNull.class) |
| 67 | + .build() |
| 68 | + ); |
| 69 | + villagerProfessionClass.addMethod( |
| 70 | + MethodSpec.constructorBuilder() |
| 71 | + .addParameter(ParameterSpec.builder(NAMESPACE_ID_CLASS, "id").addAnnotation(NotNull.class).build()) |
| 72 | + .addParameter(ParameterSpec.builder(rawVillagerProfessionDataClassName, VILLAGER_PROFESSION_DATE).addAnnotation(NotNull.class).build()) |
| 73 | + .addStatement(VARIABLE_SETTER, "id") |
| 74 | + .addStatement(VARIABLE_SETTER, VILLAGER_PROFESSION_DATE) |
| 75 | + .addModifiers(Modifier.PROTECTED) |
| 76 | + .build() |
| 77 | + ); |
| 78 | + // Override key method (adventure) |
| 79 | + villagerProfessionClass.addMethod(GenerationHelper.ADVENTURE_KEY_METHOD); |
| 80 | + // getId method |
| 81 | + villagerProfessionClass.addMethod(GenerationHelper.ID_GETTER); |
| 82 | + // getVillagerProfessionData method |
| 83 | + villagerProfessionClass.addMethod( |
| 84 | + MethodSpec.methodBuilder("getVillagerProfessionData") |
| 85 | + .returns(rawVillagerProfessionDataClassName) |
| 86 | + .addAnnotation(NotNull.class) |
| 87 | + .addStatement("return this.villagerProfessionData") |
| 88 | + .addModifiers(Modifier.PUBLIC, Modifier.FINAL) |
| 89 | + .build() |
| 90 | + ); |
| 91 | + // setVillagerProfessionData method |
| 92 | + villagerProfessionClass.addMethod( |
| 93 | + MethodSpec.methodBuilder("setVillagerProfessionData") |
| 94 | + .addParameter(ParameterSpec.builder(rawVillagerProfessionDataClassName, VILLAGER_PROFESSION_DATE).addAnnotation(NotNull.class).build()) |
| 95 | + .addStatement("this.$L1 = $L1", VILLAGER_PROFESSION_DATE) |
| 96 | + .addModifiers(Modifier.PUBLIC, Modifier.FINAL) |
| 97 | + .build() |
| 98 | + ); |
| 99 | + // getNumericalId |
| 100 | + villagerProfessionClass.addMethod( |
| 101 | + MethodSpec.methodBuilder("getNumericalId") |
| 102 | + .returns(TypeName.INT) |
| 103 | + .addStatement("return $T.VILLAGER_PROFESSION_REGISTRY.getId(this)", REGISTRY_CLASS) |
| 104 | + .addModifiers(Modifier.PUBLIC) |
| 105 | + .build() |
| 106 | + ); |
| 107 | + // fromId Method |
| 108 | + villagerProfessionClass.addMethod( |
| 109 | + MethodSpec.methodBuilder("fromId") |
| 110 | + .returns(villagerProfessionClassName) |
| 111 | + .addAnnotation(Nullable.class) |
| 112 | + .addParameter(TypeName.INT, "id") |
| 113 | + .addStatement("return $T.VILLAGER_PROFESSION_REGISTRY.get((short) id)", REGISTRY_CLASS) |
| 114 | + .addModifiers(Modifier.PUBLIC, Modifier.STATIC) |
| 115 | + .build() |
| 116 | + ); |
| 117 | + // fromId Method |
| 118 | + villagerProfessionClass.addMethod( |
| 119 | + MethodSpec.methodBuilder("fromId") |
| 120 | + .returns(villagerProfessionClassName) |
| 121 | + .addAnnotation(NotNull.class) |
| 122 | + .addParameter(ADVENTURE_KEY, "id") |
| 123 | + .addStatement("return $T.VILLAGER_PROFESSION_REGISTRY.get(id)", REGISTRY_CLASS) |
| 124 | + .addModifiers(Modifier.PUBLIC, Modifier.STATIC) |
| 125 | + .build() |
| 126 | + ); |
| 127 | + // toString method |
| 128 | + villagerProfessionClass.addMethod(GenerationHelper.TO_STRING); |
| 129 | + // values method |
| 130 | + villagerProfessionClass.addMethod( |
| 131 | + MethodSpec.methodBuilder("values") |
| 132 | + .addAnnotation(NotNull.class) |
| 133 | + .returns(ParameterizedTypeName.get(ClassName.get(List.class), villagerProfessionClassName)) |
| 134 | + .addStatement("return $T.VILLAGER_PROFESSION_REGISTRY.values()", REGISTRY_CLASS) |
| 135 | + .addModifiers(Modifier.PUBLIC, Modifier.STATIC) |
| 136 | + .build() |
| 137 | + ); |
| 138 | + CodeBlock.Builder staticBlock = CodeBlock.builder(); |
| 139 | + // Use data |
| 140 | + for (JsonElement vp : villagerProfessions) { |
| 141 | + JsonObject villagerProfession = vp.getAsJsonObject(); |
| 142 | + |
| 143 | + String villagerProfessionName = villagerProfession.get("name").getAsString(); |
| 144 | + JsonElement workSound = villagerProfession.get("workSound"); |
| 145 | + if (workSound == null) { |
| 146 | + villagerProfessionClass.addField( |
| 147 | + FieldSpec.builder( |
| 148 | + villagerProfessionClassName, |
| 149 | + villagerProfessionName |
| 150 | + ).initializer( |
| 151 | + "new $T($T.from($S), new $T(() -> null))", |
| 152 | + villagerProfessionClassName, |
| 153 | + NAMESPACE_ID_CLASS, |
| 154 | + villagerProfession.get("id").getAsString(), |
| 155 | + |
| 156 | + rawVillagerProfessionDataClassName |
| 157 | + ).addModifiers(Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL).build() |
| 158 | + ); |
| 159 | + } else { |
| 160 | + villagerProfessionClass.addField( |
| 161 | + FieldSpec.builder( |
| 162 | + villagerProfessionClassName, |
| 163 | + villagerProfessionName |
| 164 | + ).initializer( |
| 165 | + "new $T($T.from($S), new $T(() -> $T.SOUND_EVENT_REGISTRY.get($S)))", |
| 166 | + villagerProfessionClassName, |
| 167 | + NAMESPACE_ID_CLASS, |
| 168 | + villagerProfession.get("id").getAsString(), |
| 169 | + |
| 170 | + rawVillagerProfessionDataClassName, |
| 171 | + REGISTRY_CLASS, |
| 172 | + workSound.getAsString() |
| 173 | + ).addModifiers(Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL).build() |
| 174 | + ); |
| 175 | + } |
| 176 | + |
| 177 | + // Add to static init. |
| 178 | + staticBlock.addStatement("$T.VILLAGER_PROFESSION_REGISTRY.register($N)", REGISTRY_CLASS, villagerProfessionName); |
| 179 | + } |
| 180 | + |
| 181 | + villagerProfessionClass.addStaticBlock(staticBlock.build()); |
| 182 | + |
| 183 | + // Write files to outputFolder |
| 184 | + writeFiles( |
| 185 | + List.of( |
| 186 | + JavaFile.builder("net.minestom.server.entity.metadata.villager", villagerProfessionClass.build()) |
| 187 | + .indent(DEFAULT_INDENT) |
| 188 | + .skipJavaLangImports(true) |
| 189 | + .build() |
| 190 | + ), |
| 191 | + outputFolder |
| 192 | + ); |
| 193 | + } |
| 194 | +} |
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