From c5bcb67bb871a445b20bbc0c226bc290dc5ba6bc Mon Sep 17 00:00:00 2001
From: Marcus Huderle <huderlem@gmail.com>
Date: Fri, 8 Jun 2018 19:59:00 -0500
Subject: Label decoration_inventory

---
 include/decoration.h           |   3 -
 include/decoration_inventory.h |  12 ++--
 src/decoration.c               |  15 ++---
 src/decoration_inventory.c     | 135 +++++++++++++++++++----------------------
 src/scrcmd.c                   |   6 +-
 src/trader.c                   |   6 +-
 6 files changed, 82 insertions(+), 95 deletions(-)

diff --git a/include/decoration.h b/include/decoration.h
index a2e2bf8f8..7676c0add 100644
--- a/include/decoration.h
+++ b/include/decoration.h
@@ -152,9 +152,6 @@ extern const struct YesNoFuncTable gUnknown_083EC9CC;
 extern const struct YesNoFuncTable gUnknown_083EC9D4;
 extern const struct YesNoFuncTable gUnknown_083ECAA0;
 
-extern u8 sub_8134194(u8); // src/decoration_inventory
-extern bool8 sub_81341D4(void); // src/decoration_inventory
-extern void sub_8134104(u8); // src/decoration_inventory
 extern void sub_8109DAC(u8); // src/trader
 extern void ReshowPlayerPC(u8); // src/player_pc
 void Task_SecretBasePC_Decoration(u8);
diff --git a/include/decoration_inventory.h b/include/decoration_inventory.h
index e2e31bee9..65bfcc8c0 100644
--- a/include/decoration_inventory.h
+++ b/include/decoration_inventory.h
@@ -2,12 +2,14 @@
 #define GUARD_DECORATION_INVENTORY_H
 
 void ClearDecorationInventories(void);
-s8 sub_8133F9C(u8);
-u8 sub_8133FE4(u8);
+s8 FindFreeDecorationInventorySlot(u8);
+u8 InventoryContainsDecoration(u8);
 u8 GiveDecoration(u8);
-u8 sub_8134074(u8);
-s8 sub_81340A8(u8);
-u8 sub_8134194(u8);
+u8 CheckDecorationInventoryHasSpace(u8);
+s8 RemoveDecorationFromInventory(u8);
+void SortDecorationInventory(u8);
+u8 GetNumDecorationsInInventoryCategory(u8);
+bool8 GetNumDecorationsInInventory(void);
 #if DEBUG
 void Debug_GiveAllDecorations(void);
 #endif // DEBUG
diff --git a/src/decoration.c b/src/decoration.c
index 4c9e4509a..96cf61548 100644
--- a/src/decoration.c
+++ b/src/decoration.c
@@ -19,6 +19,7 @@
 #include "event_data.h"
 #include "field_weather.h"
 #include "decoration.h"
+#include "decoration_inventory.h"
 #include "shop.h"
 #include "ewram.h"
 
@@ -1555,7 +1556,7 @@ void sub_80FE470(u8 decoCat, u8 left, u8 top, u8 palIdx) // PrintDecorationCateg
     strptr[2] = palIdx;
     strptr += 3;
     strptr = StringCopy(strptr, gUnknown_083EC5E4[decoCat]);
-    strptr = sub_8072C14(strptr, sub_8134194(decoCat), 0x56, 1);
+    strptr = sub_8072C14(strptr, GetNumDecorationsInInventoryCategory(decoCat), 0x56, 1);
     *strptr++ = 0xba;
     strptr = sub_8072C14(strptr, gDecorationInventories[decoCat].size, 0x68, 1);
     strptr[0] = EXT_CTRL_CODE_BEGIN;
@@ -1609,10 +1610,10 @@ void sub_80FE604(u8 taskId)
             gUnknown_020388F6 = Menu_GetCursorPos();
             if (gUnknown_020388F6 != 8)
             {
-                gUnknown_020388D5 = sub_8134194(gUnknown_020388F6);
+                gUnknown_020388D5 = GetNumDecorationsInInventoryCategory(gUnknown_020388F6);
                 if (gUnknown_020388D5)
                 {
-                    sub_8134104(gUnknown_020388F6);
+                    SortDecorationInventory(gUnknown_020388F6);
                     gUnknown_020388D0 = gDecorationInventories[gUnknown_020388F6].items;
                     sub_80FEF50(taskId);
                     ClearVerticalScrollIndicatorPalettes();
@@ -2022,7 +2023,7 @@ void sub_80FF098(u8 taskId)
     {
         gUnknown_020388F4--;
     }
-    sub_8134104(gUnknown_020388F6);
+    SortDecorationInventory(gUnknown_020388F6);
     sub_80FED90(taskId);
     sub_80FEF28();
 }
@@ -2042,7 +2043,7 @@ void sub_80FF114(u8 taskId)
 }
 void sub_80FF160(u8 taskId)
 {
-    if (!sub_81341D4())
+    if (!GetNumDecorationsInInventory())
     {
         DisplayItemMessageOnField(taskId, gSecretBaseText_NoDecors, sub_80FE428, 0);
     } else
@@ -4190,7 +4191,7 @@ void sub_81016F4(void)
 
 void sub_8101700(u8 taskId)
 {
-    if (!sub_81341D4())
+    if (!GetNumDecorationsInInventory())
     {
         DisplayItemMessageOnField(taskId, gSecretBaseText_NoDecors, sub_80FE428, 0);
     } else
@@ -4203,7 +4204,7 @@ void sub_8101700(u8 taskId)
 
 void sub_8101750(u8 taskId)
 {
-    if (!sub_81341D4())
+    if (!GetNumDecorationsInInventory())
     {
         DisplayItemMessageOnField(taskId, gSecretBaseText_NoDecors, sub_80FE428, 0);
     } else
diff --git a/src/decoration_inventory.c b/src/decoration_inventory.c
index d4ef2d589..feec11670 100644
--- a/src/decoration_inventory.c
+++ b/src/decoration_inventory.c
@@ -1,9 +1,9 @@
 #include "global.h"
-#include "constants/decorations.h"
-#include "sprite.h"
-#include "task.h"
 #include "decoration.h"
 #include "decoration_inventory.h"
+#include "sprite.h"
+#include "task.h"
+#include "constants/decorations.h"
 
 #define DECOR_INV(ptr) {.items = ptr, .size = sizeof ptr}
 
@@ -18,154 +18,141 @@ struct DecorationInventory const gDecorationInventories[] = {
     DECOR_INV(gSaveBlock1.decorCushion)
 };
 
-void ClearDecorationInventory(u8 invIdx)
+void ClearDecorationInventory(u8 category)
 {
     u8 i;
-    for (i=0; i<gDecorationInventories[invIdx].size; i++)
+    for (i = 0; i < gDecorationInventories[category].size; i++)
     {
-        gDecorationInventories[invIdx].items[i] = DECOR_NONE;
+        gDecorationInventories[category].items[i] = DECOR_NONE;
     }
 }
 
 void ClearDecorationInventories(void)
 {
     u8 i;
-    for (i=0; i<8; i++)
+    for (i = 0; i < 8; i++)
     {
         ClearDecorationInventory(i);
     }
 }
 
-s8 sub_8133F9C(u8 invIdx)
+s8 FindFreeDecorationInventorySlot(u8 category)
 {
     s8 i;
-    for (i=0; i<(s8)gDecorationInventories[invIdx].size; i++)
+    for (i = 0; i < (s8)gDecorationInventories[category].size; i++)
     {
-        if (gDecorationInventories[invIdx].items[i] == DECOR_NONE)
-        {
+        if (gDecorationInventories[category].items[i] == DECOR_NONE)
             return i;
-        }
     }
+
     return -1;
 }
 
-bool8 sub_8133FE4(u8 decorIdx)
+bool8 InventoryContainsDecoration(u8 decorationId)
 {
-    u8 invIdx;
     u8 i;
-    invIdx = gDecorations[decorIdx].category;
-    for (i=0; i<gDecorationInventories[invIdx].size; i++)
+    u8 category = gDecorations[decorationId].category;
+    for (i = 0; i < gDecorationInventories[category].size; i++)
     {
-        if (gDecorationInventories[invIdx].items[i] == decorIdx)
-        {
+        if (gDecorationInventories[category].items[i] == decorationId)
             return TRUE;
-        }
     }
+
     return FALSE;
 }
 
-bool8 GiveDecoration(u8 decorIdx)
+bool8 GiveDecoration(u8 decorationId)
 {
-    u8 invIdx;
-    s8 invSlot;
-    if (decorIdx == DECOR_NONE)
-    {
+    u8 category;
+    s8 slot;
+    if (decorationId == DECOR_NONE)
         return FALSE;
-    }
-    invIdx = gDecorations[decorIdx].category;
-    invSlot = sub_8133F9C(invIdx);
-    if (invSlot == -1)
-    {
+
+    category = gDecorations[decorationId].category;
+    slot = FindFreeDecorationInventorySlot(category);
+    if (slot == -1)
         return FALSE;
-    }
-    gDecorationInventories[invIdx].items[invSlot] = decorIdx;
+
+    gDecorationInventories[category].items[slot] = decorationId;
     return TRUE;
 }
 
-bool8 sub_8134074(u8 decorIdx)
+bool8 CheckDecorationInventoryHasSpace(u8 decorationId)
 {
-    u8 invIdx;
-    if (decorIdx == DECOR_NONE)
-    {
+    u8 category;
+    if (decorationId == DECOR_NONE)
         return FALSE;
-    }
-    invIdx = gDecorations[decorIdx].category;
-    if (sub_8133F9C(invIdx) == -1)
-    {
+
+    category = gDecorations[decorationId].category;
+    if (FindFreeDecorationInventorySlot(category) == -1)
         return FALSE;
-    }
+
     return TRUE;
 }
 
-s8 sub_81340A8(u8 decorIdx)
+s8 RemoveDecorationFromInventory(u8 decorationId)
 {
-    u8 i;
-    u8 invIdx;
-    i = 0;
-    if (decorIdx == DECOR_NONE)
-    {
+    u8 category;
+    u8 i = 0;
+    if (decorationId == DECOR_NONE)
         return FALSE;
-    }
-    for (i=0; i<gDecorationInventories[gDecorations[decorIdx].category].size; i++)
+
+    for (i = 0; i < gDecorationInventories[gDecorations[decorationId].category].size; i++)
     {
-        invIdx = gDecorations[decorIdx].category;
-        if (gDecorationInventories[invIdx].items[i] == decorIdx)
+        category = gDecorations[decorationId].category;
+        if (gDecorationInventories[category].items[i] == decorationId)
         {
-            gDecorationInventories[invIdx].items[i] = DECOR_NONE;
-            sub_8134104(invIdx);
+            gDecorationInventories[category].items[i] = DECOR_NONE;
+            SortDecorationInventory(category);
             return TRUE;
         }
     }
+
     return FALSE;
 }
 
-void sub_8134104(u8 invIdx)
+void SortDecorationInventory(u8 category)
 {
     u8 i;
     u8 j;
     u8 tmp;
-    for (i=0; i<gDecorationInventories[invIdx].size; i++)
+    for (i = 0; i < gDecorationInventories[category].size; i++)
     {
-        for (j=i+1; j<gDecorationInventories[invIdx].size; j++)
+        for (j = i + 1; j < gDecorationInventories[category].size; j++)
         {
-            if (gDecorationInventories[invIdx].items[j] != 0 && (gDecorationInventories[invIdx].items[i] == DECOR_NONE || gDecorationInventories[invIdx].items[i] > gDecorationInventories[invIdx].items[j]))
+            if (gDecorationInventories[category].items[j] != 0 && (gDecorationInventories[category].items[i] == DECOR_NONE || gDecorationInventories[category].items[i] > gDecorationInventories[category].items[j]))
             {
-                tmp = gDecorationInventories[invIdx].items[i];
-                gDecorationInventories[invIdx].items[i] = gDecorationInventories[invIdx].items[j];
-                gDecorationInventories[invIdx].items[j] = tmp;
+                tmp = gDecorationInventories[category].items[i];
+                gDecorationInventories[category].items[i] = gDecorationInventories[category].items[j];
+                gDecorationInventories[category].items[j] = tmp;
             }
         }
     }
 }
 
-u8 sub_8134194(u8 invIdx)
+u8 GetNumDecorationsInInventoryCategory(u8 category)
 {
     u8 i;
-    u8 count;
-    count = 0;
-    for (i=0; i<gDecorationInventories[invIdx].size; i++)
+    u8 count = 0;
+    for (i = 0; i < gDecorationInventories[category].size; i++)
     {
-        if (gDecorationInventories[invIdx].items[i] != 0)
-        {
+        if (gDecorationInventories[category].items[i] != DECOR_NONE)
             count++;
-        }
     }
+
     return count;
 }
 
-u8 sub_81341D4(void)
+u8 GetNumDecorationsInInventory(void)
 {
     u8 i;
-    u8 count;
-    count = 0;
-    for (i=0; i<8; i++)
-    {
-        count += sub_8134194(i);
-    }
+    u8 count = 0;
+    for (i = 0; i < 8; i++)
+        count += GetNumDecorationsInInventoryCategory(i);
+
     return count;
 }
 
-
 #if DEBUG
 void Debug_GiveAllDecorations(void)
 {
diff --git a/src/scrcmd.c b/src/scrcmd.c
index 3ad433fb7..ca49dc0df 100644
--- a/src/scrcmd.c
+++ b/src/scrcmd.c
@@ -556,7 +556,7 @@ bool8 ScrCmd_takedecoration(struct ScriptContext *ctx)
 {
     u32 decoration = VarGet(ScriptReadHalfword(ctx));
 
-    gSpecialVar_Result = sub_81340A8(decoration);
+    gSpecialVar_Result = RemoveDecorationFromInventory(decoration);
     return FALSE;
 }
 
@@ -564,7 +564,7 @@ bool8 ScrCmd_checkdecorspace(struct ScriptContext *ctx)
 {
     u32 decorId = VarGet(ScriptReadHalfword(ctx));
 
-    gSpecialVar_Result = sub_8134074(decorId);
+    gSpecialVar_Result = CheckDecorationInventoryHasSpace(decorId);
     return FALSE;
 }
 
@@ -572,7 +572,7 @@ bool8 ScrCmd_checkdecor(struct ScriptContext *ctx)
 {
     u32 decorId = VarGet(ScriptReadHalfword(ctx));
 
-    gSpecialVar_Result = sub_8133FE4(decorId);
+    gSpecialVar_Result = InventoryContainsDecoration(decorId);
     return FALSE;
 }
 
diff --git a/src/trader.c b/src/trader.c
index e8fe743f8..f8606d499 100644
--- a/src/trader.c
+++ b/src/trader.c
@@ -188,7 +188,7 @@ void ScrSpecial_DoesPlayerHaveNoDecorations(void)
 
     for (i = 0; i < 8; i++)
     {
-        if (sub_8134194(i))
+        if (GetNumDecorationsInInventoryCategory(i))
         {
             gSpecialVar_Result = FALSE;
             return;
@@ -201,7 +201,7 @@ void ScrSpecial_IsDecorationFull(void)
 {
     gSpecialVar_Result = FALSE;
     if (gDecorations[gSpecialVar_0x8004].category != gDecorations[gSpecialVar_0x8006].category
-        && sub_8133F9C(gDecorations[gSpecialVar_0x8004].category) == -1)
+        && FindFreeDecorationInventorySlot(gDecorations[gSpecialVar_0x8004].category) == -1)
     {
         sub_80FE7D4(gStringVar2, gDecorations[gSpecialVar_0x8004].category);
         gSpecialVar_Result = TRUE;
@@ -248,7 +248,7 @@ void ScrSpecial_TraderDoDecorationTrade(void)
 {
     struct MauvilleManTrader *trader = &gSaveBlock1.mauvilleMan.trader;
 
-    sub_81340A8(gSpecialVar_0x8006);
+    RemoveDecorationFromInventory(gSpecialVar_0x8006);
     GiveDecoration(gSpecialVar_0x8004);
     StringCopy(trader->unk5[gSpecialVar_0x8005], gSaveBlock2.playerName);
     trader->unk1[gSpecialVar_0x8005] = gSpecialVar_0x8006;
-- 
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