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@@ -8,14 +8,17 @@ const { shell } = require('electron')
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const MOD_REGEX = /^(.+(jar|zip|litemod))(?:\.(disabled))?$/
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const DISABLED_EXT = '.disabled'
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+const SHADER_REGEX = /^(.+)\.zip$/
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+const SHADER_OPTION = /shaderPack=(.+)/
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+
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/**
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- * Validate that the given mods directory exists. If not,
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- * it is created.
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+ * Validate that the given directory exists. If not, it is
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+ * created.
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*
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* @param {string} modsDir The path to the mods directory.
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*/
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-exports.validateModsDir = function(modsDir) {
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- fs.ensureDirSync(modsDir)
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+exports.validateDir = function(dir) {
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+ fs.ensureDirSync(dir)
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}
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/**
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@@ -71,7 +74,7 @@ exports.scanForDropinMods = function(modsDir, version) {
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*/
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exports.addDropinMods = function(files, modsdir) {
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- exports.validateModsDir(modsdir)
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+ exports.validateDir(modsdir)
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for(let f of files) {
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if(MOD_REGEX.exec(f.name) != null) {
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@@ -131,4 +134,77 @@ exports.toggleDropinMod = function(modsDir, fullName, enable){
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*/
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exports.isDropinModEnabled = function(fullName){
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return !fullName.endsWith(DISABLED_EXT)
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-}
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+}
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+
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+/**
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+ * Scan for shaderpacks inside the shaderpacks folder.
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+ *
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+ * @param {string} instanceDir The path to the server instance directory.
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+ *
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+ * @returns {{fullName: string, name: string}[]}
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+ * An array of objects storing metadata about each discovered shaderpack.
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+ */
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+exports.scanForShaderpacks = function(instanceDir){
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+ const shaderDir = path.join(instanceDir, 'shaderpacks')
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+ const packsDiscovered = [{
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+ fullName: 'OFF',
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+ name: 'No Shaderpack'
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+ }]
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+ if(fs.existsSync(shaderDir)){
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+ let modCandidates = fs.readdirSync(shaderDir)
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+ for(let file of modCandidates){
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+ const match = SHADER_REGEX.exec(file)
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+ if(match != null){
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+ packsDiscovered.push({
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+ fullName: match[0],
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+ name: match[1]
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+ })
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+ }
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+ }
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+ }
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+ return packsDiscovered
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+}
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+
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+/**
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+ * Read the optionsshaders.txt file to locate the current
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+ * enabled pack. If the file does not exist, OFF is returned.
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+ *
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+ * @param {string} instanceDir The path to the server instance directory.
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+ *
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+ * @returns {string} The file name of the enabled shaderpack.
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+ */
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+exports.getEnabledShaderpack = function(instanceDir){
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+ exports.validateDir(instanceDir)
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+
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+ const optionsShaders = path.join(instanceDir, 'optionsshaders.txt')
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+ if(fs.existsSync(optionsShaders)){
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+ const buf = fs.readFileSync(optionsShaders, {encoding: 'utf-8'})
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+ const match = SHADER_OPTION.exec(buf)
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+ if(match != null){
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+ return match[1]
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+ } else {
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+ console.warn('WARNING: Shaderpack regex failed.')
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+ }
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+ }
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+ return 'OFF'
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+}
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+
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+/**
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+ * Set the enabled shaderpack.
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+ *
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+ * @param {string} instanceDir The path to the server instance directory.
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+ * @param {string} pack the file name of the shaderpack.
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+ */
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+exports.setEnabledShaderpack = function(instanceDir, pack){
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+ exports.validateDir(instanceDir)
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+
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+ const optionsShaders = path.join(instanceDir, 'optionsshaders.txt')
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+ let buf
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+ if(fs.existsSync(optionsShaders)){
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+ buf = fs.readFileSync(optionsShaders, {encoding: 'utf-8'})
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+ buf = buf.replace(SHADER_OPTION, `shaderPack=${pack}`)
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+ } else {
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+ buf = `shaderPack=${pack}`
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+ }
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+ fs.writeFileSync(optionsShaders, buf, {encoding: 'utf-8'})
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+}
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Daniel Scalzi