From f923f5198e5462fd3a3f84d98b6eb919d1157aac Mon Sep 17 00:00:00 2001
From: Evan <eroelke@gmail.com>
Date: Thu, 16 Jul 2020 09:48:25 -0600
Subject: [PATCH] add oval charm

---
 graphics/items/icon_palettes/oval_charm.pal |  19 ++++++++++++++++
 graphics/items/icons/oval_charm.png         | Bin 0 -> 232 bytes
 include/constants/items.h                   |   3 ++-
 include/graphics.h                          |   2 ++
 src/data/graphics/items.h                   |   2 ++
 src/data/item_icon_table.h                  |   1 +
 src/data/items.h                            |  13 +++++++++++
 src/data/text/item_descriptions.h           |   6 +++++
 src/daycare.c                               |  23 +++++++++++++++++++-
 9 files changed, 67 insertions(+), 2 deletions(-)
 create mode 100644 graphics/items/icon_palettes/oval_charm.pal
 create mode 100644 graphics/items/icons/oval_charm.png

diff --git a/graphics/items/icon_palettes/oval_charm.pal b/graphics/items/icon_palettes/oval_charm.pal
new file mode 100644
index 0000000000..5f5afd15c5
--- /dev/null
+++ b/graphics/items/icon_palettes/oval_charm.pal
@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+239 228 176
+48 48 48
+248 192 224
+128 80 216
+168 104 248
+128 208 192
+248 248 216
+216 136 160
+184 88 96
+0 0 0
+0 0 0
+0 0 0
+0 0 0
+0 0 0
+0 0 0
+0 0 0
diff --git a/graphics/items/icons/oval_charm.png b/graphics/items/icons/oval_charm.png
new file mode 100644
index 0000000000000000000000000000000000000000..25809907a535ea080ac574869379843c5f60efa3
GIT binary patch
literal 232
zcmeAS@N?(olHy`uVBq!ia0vp^5+KaN3?zjj6;1;wg8-ip*Y{607#JA*IPjn$;KquK
z9}O1{{P=O>M#q935eYygn4r38OD|Bg*we)^L}F@k!U2}1CZ+<j#f;60bJTf`v=#I*
z28gZmxiF(qa-nyCMCaiH89hfFB^ZL*9~f}89SSw%((F8B`6$b?tDsXUrEk(CAujfX
z`#n8nk0pw92WYkY^o}qQcxEmrp6uRoyeD?To;OMzPs&uxj2IaDJ-DWCmex22a+Ig5
KpUXO@geCw^%uNsg

literal 0
HcmV?d00001

diff --git a/include/constants/items.h b/include/constants/items.h
index 438a626bb0..aa610b0abc 100644
--- a/include/constants/items.h
+++ b/include/constants/items.h
@@ -704,8 +704,9 @@
 #define ITEM_OLD_SEA_MAP 615
 
 #define ITEM_SHINY_CHARM 616
+#define ITEM_OVAL_CHARM 617
 
-#define ITEMS_COUNT 617
+#define ITEMS_COUNT 618
 #define ITEM_FIELD_ARROW ITEMS_COUNT
 
 #define FIRST_BERRY_INDEX             ITEM_CHERI_BERRY
diff --git a/include/graphics.h b/include/graphics.h
index 334cb9e08d..abee656fad 100644
--- a/include/graphics.h
+++ b/include/graphics.h
@@ -4211,6 +4211,8 @@ extern const u32 gItemIcon_PrettyWing[];
 extern const u32 gItemIconPalette_PrettyWing[];
 extern const u32 gItemIcon_ShinyCharm[];
 extern const u32 gItemIconPalette_ShinyCharm[];
+extern const u32 gItemIcon_OvalCharm[];
+extern const u32 gItemIconPalette_OvalCharm[];
 // Gen 6 Items
 extern const u32 gItemIcon_AssaultVest[];
 extern const u32 gItemIconPalette_AssaultVest[];
diff --git a/src/data/graphics/items.h b/src/data/graphics/items.h
index 3255f69680..140d3820db 100644
--- a/src/data/graphics/items.h
+++ b/src/data/graphics/items.h
@@ -1235,6 +1235,8 @@ const u32 gItemIconPalette_PrettyWing[] = INCBIN_U32("graphics/items/icon_palett
 const u32 gItemIcon_ShinyCharm[] = INCBIN_U32("graphics/items/icons/shiny_charm.4bpp.lz");
 const u32 gItemIconPalette_ShinyCharm[] = INCBIN_U32("graphics/items/icon_palettes/shiny_charm.gbapal.lz");
 
+const u32 gItemIcon_OvalCharm[] = INCBIN_U32("graphics/items/icons/oval_charm.4bpp.lz");
+const u32 gItemIconPalette_OvalCharm[] = INCBIN_U32("graphics/items/icon_palettes/oval_charm.gbapal.lz");
 // Gen 6 Items
 
 const u32 gItemIcon_AssaultVest[] = INCBIN_U32("graphics/items/icons/assault_vest.4bpp.lz");
diff --git a/src/data/item_icon_table.h b/src/data/item_icon_table.h
index b54f28405c..00ae938896 100644
--- a/src/data/item_icon_table.h
+++ b/src/data/item_icon_table.h
@@ -495,6 +495,7 @@ const u32 *const gItemIconTable[][2] =
     [ITEM_SWIFT_WING] = {gItemIcon_SwiftWing, gItemIconPalette_SwiftWing},
     [ITEM_PRETTY_WING] = {gItemIcon_PrettyWing, gItemIconPalette_PrettyWing},
     [ITEM_SHINY_CHARM] = {gItemIcon_ShinyCharm, gItemIconPalette_ShinyCharm},
+    [ITEM_OVAL_CHARM] = {gItemIcon_OvalCharm, gItemIconPalette_OvalCharm},
 	// Gen 6 Items
     [ITEM_ASSAULT_VEST] = {gItemIcon_AssaultVest, gItemIconPalette_AssaultVest},
     [ITEM_PIXIE_PLATE] = {gItemIcon_PixiePlate, gItemIconPalette_PixiePlate},
diff --git a/src/data/items.h b/src/data/items.h
index fc8a5e8b36..4701e57611 100644
--- a/src/data/items.h
+++ b/src/data/items.h
@@ -7461,4 +7461,17 @@ const struct Item gItems[] =
         .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
         .secondaryId = 0,
     },
+    
+    [ITEM_OVAL_CHARM] =
+    {
+        .name = _("Oval Charm"),
+        .itemId = ITEM_OVAL_CHARM,
+        .price = 0,
+        .importance = 1,
+        .description = sOvalCharmDesc,
+        .pocket = POCKET_KEY_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .secondaryId = 0,
+    },
 };
diff --git a/src/data/text/item_descriptions.h b/src/data/text/item_descriptions.h
index a6d0ade8cb..927e40d4ea 100644
--- a/src/data/text/item_descriptions.h
+++ b/src/data/text/item_descriptions.h
@@ -2793,3 +2793,9 @@ static const u8 sShinyCharmDesc[] = _(
 	"A charm that will\n"
     "raise the chance\n"
     "of Shiny Pokémon.");
+    
+static const u8 sOvalCharmDesc[] = _(
+    "Increases the\n"
+    "chance of finding\n"
+    "eggs at the daycare.");
+
diff --git a/src/daycare.c b/src/daycare.c
index 5d44804039..0bc584acb3 100644
--- a/src/daycare.c
+++ b/src/daycare.c
@@ -19,6 +19,7 @@
 #include "party_menu.h"
 #include "list_menu.h"
 #include "overworld.h"
+#include "item.h"
 #include "constants/items.h"
 #include "constants/moves.h"
 #include "constants/region_map_sections.h"
@@ -29,6 +30,7 @@ static void ClearDaycareMonMail(struct DayCareMail *mail);
 static void SetInitialEggData(struct Pokemon *mon, u16 species, struct DayCare *daycare);
 static u8 GetDaycareCompatibilityScore(struct DayCare *daycare);
 static void DaycarePrintMonInfo(u8 windowId, s32 daycareSlotId, u8 y);
+static u8 ModifyBreedingScoreForOvalCharm(u8 score);
 
 // RAM buffers used to assist with BuildEggMoveset()
 EWRAM_DATA static u16 sHatchedEggLevelUpMoves[EGG_LVL_UP_MOVES_ARRAY_COUNT] = {0};
@@ -887,7 +889,7 @@ static bool8 TryProduceOrHatchEgg(struct DayCare *daycare)
     // Check if an egg should be produced
     if (daycare->offspringPersonality == 0 && validEggs == DAYCARE_MON_COUNT && (daycare->mons[1].steps & 0xFF) == 0xFF)
     {
-        u8 compatability = GetDaycareCompatibilityScore(daycare);
+        u8 compatability = ModifyBreedingScoreForOvalCharm(GetDaycareCompatibilityScore(daycare));
         if (compatability > (Random() * 100u) / USHRT_MAX)
             TriggerPendingDaycareEgg();
     }
@@ -1295,3 +1297,22 @@ void ChooseSendDaycareMon(void)
     ChooseMonForDaycare();
     gMain.savedCallback = CB2_ReturnToField;
 }
+
+static u8 ModifyBreedingScoreForOvalCharm(u8 score)
+{
+    if (CheckBagHasItem(ITEM_OVAL_CHARM, 1))
+    {
+        switch (score)
+        {
+            case 20:
+                return 40;
+            case 50:
+                return 80;
+            case 70:
+                return 88;
+        }
+    }
+    
+    return score;
+}
+