Implemented Lures using the same vars as repels

data/scripts/repel.inc

@@ -19,7 +19,7 @@ EventScript_UsedRepel:
 	bufferitemname 0, VAR_LAST_REPEL_USED
 	playse SE_REPEL
 	lock
-	msgbox Text_UsedNewRepel, MSGBOX_SIGN
+	msgbox Text_UsedNewRepelLure, MSGBOX_SIGN
 	removeitem VAR_LAST_REPEL_USED, 1
 	waitse
 	callnative HandleUseExpiredRepel
@@ -33,6 +33,41 @@ Text_UseAnother::
 	.string "REPEL's effect wore off!\n"
 	.string "Use another?$"
 
-Text_UsedNewRepel::
+Text_UsedNewRepelLure::
 	.string "{PLAYER} used the\n"
 	.string "{STR_VAR_1}.$"
+
+EventScript_LureWoreOff::
+	checkitem VAR_LAST_REPEL_USED, 1
+	compare VAR_RESULT, TRUE
+	goto_if_eq EventScript_LureUseAnother
+	lock
+	msgbox Text_LureWoreOff, MSGBOX_SIGN
+	release
+	end
+
+EventScript_LureUseAnother:
+	lock
+	msgbox Text_UseAnotherLure, MSGBOX_YESNO
+	compare VAR_RESULT, YES
+	goto_if_eq EventScript_UsedLure
+	release
+	end
+
+EventScript_UsedLure:
+	bufferitemname 0, VAR_LAST_REPEL_USED
+	playse SE_REPEL
+	lock
+	msgbox Text_UsedNewRepelLure, MSGBOX_SIGN
+	removeitem VAR_LAST_REPEL_USED, 1
+	waitse
+	callnative HandleUseExpiredLure
+	release
+	end
+
+Text_LureWoreOff:
+	.string "Lure's effect wore off…$"
+
+Text_UseAnotherLure::
+	.string "Lure's effect wore off!\n"
+	.string "Use another?$"

include/constants/item.h

@@ -16,4 +16,10 @@
 #define KEYITEMS_POCKET    4
 #define POCKETS_COUNT      5
 
+#define REPEL_LURE_MASK         (1 << 15)
+#define IS_LAST_USED_LURE(var)  (var & REPEL_LURE_MASK)
+#define REPEL_LURE_STEPS(var)   (var & (REPEL_LURE_MASK - 1))
+#define LURE_STEPS(var) (IS_LAST_USED_LURE(var) ? REPEL_LURE_STEPS(var) : 0)
+#define REPEL_STEPS(var) (!IS_LAST_USED_LURE(var) ? REPEL_LURE_STEPS(var) : 0)
+
 #endif // GUARD_ITEM_CONSTANTS_H

include/constants/vars.h

@@ -47,7 +47,7 @@
 
 // general purpose vars
 #define VAR_RECYCLE_GOODS                    0x4020
-#define VAR_REPEL_STEP_COUNT                 0x4021
+#define VAR_REPEL_LURE_STEP_COUNT            0x4021
 #define VAR_ICE_STEP_COUNT                   0x4022
 #define VAR_STARTER_MON                      0x4023 // 0=Treecko, 1=Torchic, 2=Mudkip
 #define VAR_MIRAGE_RND_H                     0x4024

include/item_use.h

@@ -20,6 +20,7 @@ void ItemUseOutOfBattle_PPUp(u8);
 void ItemUseOutOfBattle_RareCandy(u8);
 void ItemUseOutOfBattle_TMHM(u8);
 void ItemUseOutOfBattle_Repel(u8);
+void ItemUseOutOfBattle_Lure(u8);
 void ItemUseOutOfBattle_EscapeRope(u8);
 void ItemUseOutOfBattle_BlackWhiteFlute(u8);
 void ItemUseOutOfBattle_EvolutionStone(u8);

include/strings.h

@@ -936,6 +936,7 @@ extern const u8 gText_BootedUpTM[];
 extern const u8 gText_TMHMContainedVar1[];
 extern const u8 gText_PlayerUsedVar2[];
 extern const u8 gText_RepelEffectsLingered[];
+extern const u8 gText_LureEffectsLingered[];
 extern const u8 gText_UsedVar2WildLured[];
 extern const u8 gText_UsedVar2WildRepelled[];
 extern const u8 gText_BoxFull[];

src/data/items.h

@@ -1565,7 +1565,7 @@ const struct Item gItems[] =
         .description = sLureDesc,
         .pocket = POCKET_ITEMS,
         .type = ITEM_USE_BAG_MENU,
-        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .fieldUseFunc = ItemUseOutOfBattle_Lure,
         .secondaryId = 0,
         .flingPower = 30,
     },
@@ -1579,7 +1579,7 @@ const struct Item gItems[] =
         .description = sSuperLureDesc,
         .pocket = POCKET_ITEMS,
         .type = ITEM_USE_BAG_MENU,
-        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .fieldUseFunc = ItemUseOutOfBattle_Lure,
         .secondaryId = 0,
         .flingPower = 30,
     },
@@ -1593,7 +1593,7 @@ const struct Item gItems[] =
         .description = sMaxLureDesc,
         .pocket = POCKET_ITEMS,
         .type = ITEM_USE_BAG_MENU,
-        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .fieldUseFunc = ItemUseOutOfBattle_Lure,
         .secondaryId = 0,
         .flingPower = 30,
     },

src/item.c

@@ -952,8 +952,3 @@ u8 ItemId_GetFlingPower(u16 itemId)
 {
     return gItems[SanitizeItemId(itemId)].flingPower;
 }
-
-void HandleUseExpiredRepel(void)
-{
-    VarSet(VAR_REPEL_STEP_COUNT, ItemId_GetHoldEffectParam(VarGet(VAR_LAST_REPEL_USED)));
-}

src/item_use.c

@@ -67,7 +67,9 @@ static void Task_ShowTMHMContainedMessage(u8);
 static void UseTMHMYesNo(u8);
 static void UseTMHM(u8);
 static void Task_StartUseRepel(u8);
+static void Task_StartUseLure(u8 taskId);
 static void Task_UseRepel(u8);
+static void Task_UseLure(u8 taskId);
 static void Task_CloseCantUseKeyItemMessage(u8);
 static void SetDistanceOfClosestHiddenItem(u8, s16, s16);
 static void CB2_OpenPokeblockFromBag(void);
@@ -846,7 +848,7 @@ static void RemoveUsedItem(void)
 
 void ItemUseOutOfBattle_Repel(u8 taskId)
 {
-    if (VarGet(VAR_REPEL_STEP_COUNT) == 0)
+    if (REPEL_STEPS(VarGet(VAR_REPEL_LURE_STEP_COUNT)) == 0)
         gTasks[taskId].func = Task_StartUseRepel;
     else if (!InBattlePyramid())
         DisplayItemMessage(taskId, FONT_NORMAL, gText_RepelEffectsLingered, CloseItemMessage);
@@ -870,7 +872,7 @@ static void Task_UseRepel(u8 taskId)
 {
     if (!IsSEPlaying())
     {
-        VarSet(VAR_REPEL_STEP_COUNT, ItemId_GetHoldEffectParam(gSpecialVar_ItemId));
+        VarSet(VAR_REPEL_LURE_STEP_COUNT, ItemId_GetHoldEffectParam(gSpecialVar_ItemId));
         VarSet(VAR_LAST_REPEL_USED, gSpecialVar_ItemId);
         RemoveUsedItem();
         if (!InBattlePyramid())
@@ -879,6 +881,51 @@ static void Task_UseRepel(u8 taskId)
             DisplayItemMessageInBattlePyramid(taskId, gStringVar4, Task_CloseBattlePyramidBagMessage);
     }
 }
+void HandleUseExpiredRepel(void)
+{
+    VarSet(VAR_REPEL_LURE_STEP_COUNT, ItemId_GetHoldEffectParam(VarGet(VAR_LAST_REPEL_USED)));
+}
+
+void ItemUseOutOfBattle_Lure(u8 taskId)
+{
+    if (LURE_STEPS(VarGet(VAR_REPEL_LURE_STEP_COUNT)) == 0)
+        gTasks[taskId].func = Task_StartUseLure;
+    else if (!InBattlePyramid())
+        DisplayItemMessage(taskId, FONT_NORMAL, gText_LureEffectsLingered, CloseItemMessage);
+    else
+        DisplayItemMessageInBattlePyramid(taskId, gText_LureEffectsLingered, Task_CloseBattlePyramidBagMessage);
+}
+
+static void Task_StartUseLure(u8 taskId)
+{
+    s16* data = gTasks[taskId].data;
+
+    if (++data[8] > 7)
+    {
+        data[8] = 0;
+        PlaySE(SE_REPEL);
+        gTasks[taskId].func = Task_UseLure;
+    }
+}
+
+static void Task_UseLure(u8 taskId)
+{
+    if (!IsSEPlaying())
+    {
+        VarSet(VAR_REPEL_LURE_STEP_COUNT, ItemId_GetHoldEffectParam(gSpecialVar_ItemId) | REPEL_LURE_MASK);
+        VarSet(VAR_LAST_REPEL_USED, gSpecialVar_ItemId);
+        RemoveUsedItem();
+        if (!InBattlePyramid())
+            DisplayItemMessage(taskId, FONT_NORMAL, gStringVar4, CloseItemMessage);
+        else
+            DisplayItemMessageInBattlePyramid(taskId, gStringVar4, Task_CloseBattlePyramidBagMessage);
+    }
+}
+
+void HandleUseExpiredLure(void)
+{
+    VarSet(VAR_REPEL_LURE_STEP_COUNT, ItemId_GetHoldEffectParam(VarGet(VAR_LAST_REPEL_USED)) | REPEL_LURE_MASK);
+}
 
 static void Task_UsedBlackWhiteFlute(u8 taskId)
 {

src/strings.c

@@ -244,6 +244,7 @@ const u8 gText_BootedUpHM[] = _("Booted up an HM.");
 const u8 gText_TMHMContainedVar1[] = _("It contained\n{STR_VAR_1}.\pTeach {STR_VAR_1}\nto a POKéMON?");
 const u8 gText_PlayerUsedVar2[] = _("{PLAYER} used the\n{STR_VAR_2}.{PAUSE_UNTIL_PRESS}");
 const u8 gText_RepelEffectsLingered[] = _("But the effects of a REPEL\nlingered from earlier.{PAUSE_UNTIL_PRESS}");
+const u8 gText_LureEffectsLingered[] = _("But the effects of a Lure\nlingered from earlier.{PAUSE_UNTIL_PRESS}");
 const u8 gText_UsedVar2WildLured[] = _("{PLAYER} used the\n{STR_VAR_2}.\pWild POKéMON will be lured.{PAUSE_UNTIL_PRESS}");
 const u8 gText_UsedVar2WildRepelled[] = _("{PLAYER} used the\n{STR_VAR_2}.\pWild POKéMON will be repelled.{PAUSE_UNTIL_PRESS}");
 const u8 gText_BoxFull[] = _("The BOX is full.{PAUSE_UNTIL_PRESS}");

src/wild_encounter.c

@@ -20,11 +20,13 @@
 #include "constants/abilities.h"
 #include "constants/battle_config.h"
 #include "constants/game_stat.h"
+#include "constants/item.h"
 #include "constants/items.h"
 #include "constants/layouts.h"
 #include "constants/weather.h"
 
 extern const u8 EventScript_RepelWoreOff[];
+extern const u8 EventScript_LureWoreOff[];
 
 #define MAX_ENCOUNTER_RATE 2880
 
@@ -181,58 +183,82 @@ static void FeebasSeedRng(u16 seed)
 // LAND_WILD_COUNT
 static u8 ChooseWildMonIndex_Land(void)
 {
+	u8 wildMonIndex = 0;
+	bool8 swap = FALSE;
     u8 rand = Random() % ENCOUNTER_CHANCE_LAND_MONS_TOTAL;
 
     if (rand < ENCOUNTER_CHANCE_LAND_MONS_SLOT_0)
-        return 0;
+        wildMonIndex = 0;
     else if (rand >= ENCOUNTER_CHANCE_LAND_MONS_SLOT_0 && rand < ENCOUNTER_CHANCE_LAND_MONS_SLOT_1)
-        return 1;
+        wildMonIndex = 1;
     else if (rand >= ENCOUNTER_CHANCE_LAND_MONS_SLOT_1 && rand < ENCOUNTER_CHANCE_LAND_MONS_SLOT_2)
-        return 2;
+        wildMonIndex = 2;
     else if (rand >= ENCOUNTER_CHANCE_LAND_MONS_SLOT_2 && rand < ENCOUNTER_CHANCE_LAND_MONS_SLOT_3)
-        return 3;
+        wildMonIndex = 3;
     else if (rand >= ENCOUNTER_CHANCE_LAND_MONS_SLOT_3 && rand < ENCOUNTER_CHANCE_LAND_MONS_SLOT_4)
-        return 4;
+        wildMonIndex = 4;
     else if (rand >= ENCOUNTER_CHANCE_LAND_MONS_SLOT_4 && rand < ENCOUNTER_CHANCE_LAND_MONS_SLOT_5)
-        return 5;
+        wildMonIndex = 5;
     else if (rand >= ENCOUNTER_CHANCE_LAND_MONS_SLOT_5 && rand < ENCOUNTER_CHANCE_LAND_MONS_SLOT_6)
-        return 6;
+        wildMonIndex = 6;
     else if (rand >= ENCOUNTER_CHANCE_LAND_MONS_SLOT_6 && rand < ENCOUNTER_CHANCE_LAND_MONS_SLOT_7)
-        return 7;
+        wildMonIndex = 7;
     else if (rand >= ENCOUNTER_CHANCE_LAND_MONS_SLOT_7 && rand < ENCOUNTER_CHANCE_LAND_MONS_SLOT_8)
-        return 8;
+        wildMonIndex = 8;
     else if (rand >= ENCOUNTER_CHANCE_LAND_MONS_SLOT_8 && rand < ENCOUNTER_CHANCE_LAND_MONS_SLOT_9)
-        return 9;
+        wildMonIndex = 9;
     else if (rand >= ENCOUNTER_CHANCE_LAND_MONS_SLOT_9 && rand < ENCOUNTER_CHANCE_LAND_MONS_SLOT_10)
-        return 10;
+        wildMonIndex = 10;
     else
-        return 11;
+        wildMonIndex = 11;
+
+    if (LURE_STEPS(VarGet(VAR_REPEL_LURE_STEP_COUNT)) && (Random() % 10 < 2))
+        swap = TRUE;
+
+	if (swap)
+		wildMonIndex = 11 - wildMonIndex;
+
+	return wildMonIndex;
 }
 
 // ROCK_WILD_COUNT / WATER_WILD_COUNT
 static u8 ChooseWildMonIndex_WaterRock(void)
 {
+	u8 wildMonIndex = 0;
+	bool8 swap = FALSE;
     u8 rand = Random() % ENCOUNTER_CHANCE_WATER_MONS_TOTAL;
 
     if (rand < ENCOUNTER_CHANCE_WATER_MONS_SLOT_0)
-        return 0;
+        wildMonIndex = 0;
     else if (rand >= ENCOUNTER_CHANCE_WATER_MONS_SLOT_0 && rand < ENCOUNTER_CHANCE_WATER_MONS_SLOT_1)
-        return 1;
+        wildMonIndex = 1;
     else if (rand >= ENCOUNTER_CHANCE_WATER_MONS_SLOT_1 && rand < ENCOUNTER_CHANCE_WATER_MONS_SLOT_2)
-        return 2;
+        wildMonIndex = 2;
     else if (rand >= ENCOUNTER_CHANCE_WATER_MONS_SLOT_2 && rand < ENCOUNTER_CHANCE_WATER_MONS_SLOT_3)
-        return 3;
+        wildMonIndex = 3;
     else
-        return 4;
+        wildMonIndex = 4;
+
+    if (LURE_STEPS(VarGet(VAR_REPEL_LURE_STEP_COUNT)) && (Random() % 10 < 2))
+        swap = TRUE;
+
+	if (swap)
+		wildMonIndex = 4 - wildMonIndex;
+
+	return wildMonIndex;
 }
 
 // FISH_WILD_COUNT
 static u8 ChooseWildMonIndex_Fishing(u8 rod)
 {
     u8 wildMonIndex = 0;
+	bool8 swap = FALSE;
     u8 rand = Random() % max(max(ENCOUNTER_CHANCE_FISHING_MONS_OLD_ROD_TOTAL, ENCOUNTER_CHANCE_FISHING_MONS_GOOD_ROD_TOTAL),
                              ENCOUNTER_CHANCE_FISHING_MONS_SUPER_ROD_TOTAL);
 
+    if (LURE_STEPS(VarGet(VAR_REPEL_LURE_STEP_COUNT)) && (Random() % 10 < 2))
+        swap = TRUE;
+
     switch (rod)
     {
     case OLD_ROD:
@@ -241,6 +267,9 @@ static u8 ChooseWildMonIndex_Fishing(u8 rod)
         else
             wildMonIndex = 1;
         break;
+
+		if (swap)
+			wildMonIndex = 1 - wildMonIndex;
     case GOOD_ROD:
         if (rand < ENCOUNTER_CHANCE_FISHING_MONS_GOOD_ROD_SLOT_2)
             wildMonIndex = 2;
@@ -248,6 +277,9 @@ static u8 ChooseWildMonIndex_Fishing(u8 rod)
             wildMonIndex = 3;
         if (rand >= ENCOUNTER_CHANCE_FISHING_MONS_GOOD_ROD_SLOT_3 && rand < ENCOUNTER_CHANCE_FISHING_MONS_GOOD_ROD_SLOT_4)
             wildMonIndex = 4;
+
+		if (swap)
+			wildMonIndex = 6 - wildMonIndex;
         break;
     case SUPER_ROD:
         if (rand < ENCOUNTER_CHANCE_FISHING_MONS_SUPER_ROD_SLOT_5)
@@ -260,6 +292,9 @@ static u8 ChooseWildMonIndex_Fishing(u8 rod)
             wildMonIndex = 8;
         if (rand >= ENCOUNTER_CHANCE_FISHING_MONS_SUPER_ROD_SLOT_8 && rand < ENCOUNTER_CHANCE_FISHING_MONS_SUPER_ROD_SLOT_9)
             wildMonIndex = 9;
+
+		if (swap)
+			wildMonIndex = 14 - wildMonIndex;
         break;
     }
     return wildMonIndex;
@@ -521,6 +556,8 @@ static bool8 DoWildEncounterRateTest(u32 encounterRate, bool8 ignoreAbility)
         encounterRate = encounterRate * 80 / 100;
     ApplyFluteEncounterRateMod(&encounterRate);
     ApplyCleanseTagEncounterRateMod(&encounterRate);
+    if (LURE_STEPS(VarGet(VAR_REPEL_LURE_STEP_COUNT)) != 0)
+        encounterRate *= 2;
     if (!ignoreAbility && !GetMonData(&gPlayerParty[0], MON_DATA_SANITY_IS_EGG))
     {
         u32 ability = GetMonAbility(&gPlayerParty[0]);
@@ -892,25 +929,38 @@ u16 GetLocalWaterMon(void)
 
 bool8 UpdateRepelCounter(void)
 {
-    u16 steps;
+    u16 repelLureVar = VarGet(VAR_REPEL_LURE_STEP_COUNT);
+    u16 steps = REPEL_LURE_STEPS(repelLureVar);
+    bool32 isLure = IS_LAST_USED_LURE(repelLureVar);
 
     if (InBattlePike() || InBattlePyramid())
         return FALSE;
     if (InUnionRoom() == TRUE)
         return FALSE;
 
-    steps = VarGet(VAR_REPEL_STEP_COUNT);
-
     if (steps != 0)
     {
         steps--;
-        VarSet(VAR_REPEL_STEP_COUNT, steps);
+        if (!isLure)
+        {
+            VarSet(VAR_REPEL_LURE_STEP_COUNT, steps);
             if (steps == 0)
             {
                 ScriptContext_SetupScript(EventScript_RepelWoreOff);
                 return TRUE;
             }
         }
+        else
+        {
+            VarSet(VAR_REPEL_LURE_STEP_COUNT, steps | REPEL_LURE_MASK);
+            if (steps == 0)
+            {
+                ScriptContext_SetupScript(EventScript_LureWoreOff);
+                return TRUE;
+            }
+        }
+
+    }
     return FALSE;
 }
 
@@ -918,7 +968,7 @@ static bool8 IsWildLevelAllowedByRepel(u8 wildLevel)
 {
     u8 i;
 
-    if (!VarGet(VAR_REPEL_STEP_COUNT))
+    if (!VarGet(VAR_REPEL_LURE_STEP_COUNT))
         return TRUE;
 
     for (i = 0; i < PARTY_SIZE; i++)