Disables all unique double battles but tate and Liza. And those two w…

…ill now always have lunatone and the other one (solrock?) as their first pokemon (pagefaultgames#1654)

src/battle.ts

@@ -314,8 +314,8 @@ function getRandomTrainerFunc(trainerPool: (TrainerType | TrainerType[])[]): Get
         : trainerPoolEntry;
       trainerTypes.push(trainerType);
     }
-    // If the trainer type has a double variant, there's a 33% chance of it being a double battle
-    if (trainerConfigs[trainerTypes[rand]].trainerTypeDouble) {
+    // If the trainer type has a double variant, there's a 33% chance of it being a double battle (for now we only allow tate&liza to be double)
+    if (trainerConfigs[trainerTypes[rand]].trainerTypeDouble && (trainerTypes[rand] === TrainerType.TATE || trainerTypes[rand] === TrainerType.LIZA)) {
       return new Trainer(scene, trainerTypes[rand], Utils.randSeedInt(3) ? TrainerVariant.DOUBLE : TrainerVariant.DEFAULT);
     }
     return new Trainer(scene, trainerTypes[rand], TrainerVariant.DEFAULT);

src/field/trainer.ts

@@ -20,6 +20,7 @@ import {trainerNamePools} from "../data/trainer-names";
 import {ArenaTagSide, ArenaTrapTag} from "#app/data/arena-tag";
 import {getIsInitialized, initI18n} from "#app/plugins/i18n";
 import i18next from "i18next";
+import {Species} from "#app/data/enums/species";
 
 export enum TrainerVariant {
     DEFAULT,
@@ -314,12 +315,25 @@ export default class Trainer extends Phaser.GameObjects.Container {
 
         // If the index is even, use the species pool for the main trainer (that way he only uses his own pokemon in battle)
         if (!(index % 2)) {
-          newSpeciesPool = speciesPoolFiltered;
+          // Since the only currently allowed double battle with named trainers is Tate & Liza, we need to make sure that Solrock is the first pokemon in the party for Tate and Lunatone for Liza
+          if (index === 0 && (TrainerType[this.config.trainerType] === TrainerType[TrainerType.TATE])) {
+            newSpeciesPool = [Species.SOLROCK];
+          } else if (index === 0 && (TrainerType[this.config.trainerType] === TrainerType[TrainerType.LIZA])) {
+            newSpeciesPool = [Species.LUNATONE];
+          } else {
+            newSpeciesPool = speciesPoolFiltered;
+          }
         } else {
           // If the index is odd, use the species pool for the partner trainer (that way he only uses his own pokemon in battle)
-          newSpeciesPool = speciesPoolPartnerFiltered;
+          // Since the only currently allowed double battle with named trainers is Tate & Liza, we need to make sure that Solrock is the first pokemon in the party for Tate and Lunatone for Liza
+          if (index === 1 && (TrainerType[this.config.trainerTypeDouble] === TrainerType[TrainerType.TATE])) {
+            newSpeciesPool = [Species.SOLROCK];
+          } else if (index === 1 && (TrainerType[this.config.trainerTypeDouble] === TrainerType[TrainerType.LIZA])) {
+            newSpeciesPool = [Species.LUNATONE];
+          } else {
+            newSpeciesPool = speciesPoolPartnerFiltered;
+          }
         }
-
         // Fallback for when the species pool is empty
         if (newSpeciesPool.length === 0) {
           // If all pokemon from this pool are already in the party, generate a random species