allow for fixed seed while using batch count

index.js

@@ -53,7 +53,7 @@ const image_search_tab = require('./utility/tab/image_search_tab')
 let g_horde_generator = new horde_native.hordeGenerator()
 let g_automatic_status = Enum.AutomaticStatusEnum['Offline']
 let g_models_status = false
-
+let g_current_batch_index = 0
 //REFACTOR: move to session.js
 async function hasSessionSelectionChanged() {
     try {
@@ -1825,7 +1825,20 @@ async function getSettings() {
         const upscaler = document.querySelector('#hrModelsMenu').value
         const cfg_scale = document.querySelector('#slCfgScale').value
         //  const model_index = document.querySelector("#")
-        const seed = document.querySelector('#tiSeed').value
+
+        function calculateSeed(init_seed, batch_index, batch_size) {
+            if (init_seed === -1) return -1
+            const seed = init_seed + batch_index * batch_size
+            return seed
+        }
+
+        const init_seed = parseInt(document.querySelector('#tiSeed').value)
+        const seed = calculateSeed(
+            init_seed,
+            g_current_batch_index,
+            numberOfBatchSize
+        )
+
         // const mask_blur = document.querySelector('#slMaskBlur').value
         const use_sharp_mask = settings_tab.getUseSharpMask()
         const mask_blur = html_manip.getMaskBlur()
@@ -2583,9 +2596,11 @@ Array.from(document.getElementsByClassName('btnGenerateClass')).forEach(
                 if (g_batch_count_interrupt_status === true) {
                     break
                 }
+                g_current_batch_index = i
                 await easyModeGenerate(g_sd_mode)
             }
             g_batch_count_interrupt_status = false // reset for next generation
+            g_current_batch_index = 0 // reset curent_batch_number
         })
     }
 ) //REFACTOR: move to events.js