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-rw-r--r--src/field/dewford_trend.c332
1 files changed, 332 insertions, 0 deletions
diff --git a/src/field/dewford_trend.c b/src/field/dewford_trend.c
new file mode 100644
index 000000000..aaf4dd66a
--- /dev/null
+++ b/src/field/dewford_trend.c
@@ -0,0 +1,332 @@
+#include "global.h"
+#include "dewford_trend.h"
+#include "easy_chat.h"
+#include "event_data.h"
+#include "link.h"
+#include "rng.h"
+#include "text.h"
+
+extern u8 unk_2000000[];
+
+extern u16 gScriptResult;
+extern u16 gSpecialVar_0x8004;
+
+static void sub_80FA46C(struct EasyChatPair *s, u16 b, u8 c);
+static bool8 sub_80FA670(struct EasyChatPair *a, struct EasyChatPair *b, u8 c);
+static void sub_80FA740(struct EasyChatPair *s);
+static bool8 SB1ContainsWords(u16 *a);
+static bool8 IsEasyChatPairEqual(u16 *words1, u16 *words2);
+static s16 sub_80FA828(struct EasyChatPair *a, u16 b);
+
+void InitDewfordTrend(void)
+{
+ u16 i;
+
+ for (i = 0; i < 5; i++)
+ {
+ gSaveBlock1.easyChatPairs[i].words[0] = sub_80EB72C(EC_GROUP_CONDITIONS);
+
+ if (Random() & 1)
+ gSaveBlock1.easyChatPairs[i].words[1] = sub_80EB72C(EC_GROUP_LIFESTYLE);
+ else
+ gSaveBlock1.easyChatPairs[i].words[1] = sub_80EB72C(EC_GROUP_HOBBIES);
+
+ gSaveBlock1.easyChatPairs[i].unk1_6 = Random() & 1;
+ sub_80FA740(&gSaveBlock1.easyChatPairs[i]);
+ }
+ sub_80FA46C(gSaveBlock1.easyChatPairs, 5, 0);
+}
+
+void UpdateDewfordTrendPerDay(u16 a)
+{
+ u16 i;
+
+ if (a != 0)
+ {
+ u32 sp0 = a * 5;
+
+ for (i = 0; i < 5; i++)
+ {
+ //_080FA24A
+ u32 r4;
+ u32 r2 = sp0;
+ struct EasyChatPair *r5 = &gSaveBlock1.easyChatPairs[i];
+
+ if (r5->unk1_6 == 0)
+ {
+ if (r5->unk0_0 >= (u16)r2)
+ {
+ r5->unk0_0 -= r2;
+ if (r5->unk0_0 == 0)
+ r5->unk1_6 = 1;
+ continue;
+ }
+ //_080FA290
+ r2 -= r5->unk0_0;
+ r5->unk0_0 = 0;
+ r5->unk1_6 = 1;
+ }
+ //_080FA2A0
+ r4 = r5->unk0_0 + r2;
+ if ((u16)r4 > r5->unk0_7)
+ {
+ u32 sp4 = r4 % r5->unk0_7;
+ r4 = r4 / r5->unk0_7;
+
+ r5->unk1_6 = r4 ^ 1;
+ if (r5->unk1_6)
+ r5->unk0_0 = sp4;
+ else
+ //_080FA2FA
+ r5->unk0_0 = r5->unk0_7 - sp4;
+ }
+ else
+ {
+ //_080FA310
+ r5->unk0_0 = r4;
+
+ if (r5->unk0_0 == r5->unk0_7)
+ r5->unk1_6 = 0;
+ }
+ }
+ sub_80FA46C(gSaveBlock1.easyChatPairs, 5, 0);
+ }
+ //_080FA34E
+}
+
+bool8 sub_80FA364(u16 *a)
+{
+ struct EasyChatPair s = {0};
+ u16 i;
+
+ if (!SB1ContainsWords(a))
+ {
+ if (!FlagGet(SYS_POPWORD_INPUT))
+ {
+ FlagSet(SYS_POPWORD_INPUT);
+ if (!FlagGet(SYS_MIX_RECORD))
+ {
+ gSaveBlock1.easyChatPairs[0].words[0] = a[0];
+ gSaveBlock1.easyChatPairs[0].words[1] = a[1];
+ return 1;
+ }
+ }
+
+ //_080FA3C8
+ s.words[0] = a[0];
+ s.words[1] = a[1];
+ s.unk1_6 = 1;
+ sub_80FA740(&s);
+
+ for (i = 0; i < 5; i++)
+ {
+ if (sub_80FA670(&s, &gSaveBlock1.easyChatPairs[i], 0))
+ {
+ u16 r3 = 4;
+
+ while (r3 > i)
+ {
+ gSaveBlock1.easyChatPairs[r3] = gSaveBlock1.easyChatPairs[r3 - 1];
+ r3--;
+ }
+ gSaveBlock1.easyChatPairs[i] = s;
+ return (i == 0);
+ }
+ //_080FA450
+ }
+ gSaveBlock1.easyChatPairs[4] = s;
+ }
+ return 0;
+}
+
+static void sub_80FA46C(struct EasyChatPair *s, u16 b, u8 c)
+{
+ u16 h;
+
+ for (h = 0; h < b; h++)
+ {
+ u16 i;
+
+ for (i = h + 1; i < b; i++)
+ {
+ if (sub_80FA670(&s[i], &s[h], c))
+ {
+ struct EasyChatPair temp;
+
+ temp = s[i];
+ s[i] = s[h];
+ s[h] = temp;
+ }
+ }
+ }
+}
+
+void sub_80FA4E4(void *a, u32 b, u8 unused)
+{
+ u16 i;
+ u16 j;
+ u16 r7;
+ struct EasyChatPair *src;
+ struct EasyChatPair *dst;
+ u16 players = GetLinkPlayerCount();
+
+ for (i = 0; i < players; i++)
+ memcpy(&ARRAY_2007800[i * 5], (u8 *)a + i * b, 40);
+ src = ARRAY_2007800;
+ dst = ARRAY_2007900;
+ r7 = 0;
+ for (i = 0; i < players; i++)
+ {
+ for (j = 0; j < 5; j++)
+ {
+ s16 foo = sub_80FA828(src, r7);
+ if (foo < 0)
+ {
+ *(dst++) = *src;
+ r7++;
+ }
+ else
+ {
+ if (ARRAY_2007900[foo].unk0_0 < src->unk0_0)
+ {
+ ARRAY_2007900[foo] = *src;
+ }
+ }
+ src++;
+ }
+ }
+ sub_80FA46C(ARRAY_2007900, r7, 2);
+ src = ARRAY_2007900;
+ dst = gSaveBlock1.easyChatPairs;
+ for (i = 0; i < 5; i++)
+ *(dst++) = *(src++);
+}
+
+void sub_80FA5BC(void)
+{
+ struct EasyChatPair *s = &gSaveBlock1.easyChatPairs[gSpecialVar_0x8004];
+
+ ConvertEasyChatWordsToString(gStringVar1, s->words, 2, 1);
+}
+
+void sub_80FA5E4(void)
+{
+ u16 result = 0;
+
+ if (gSaveBlock1.easyChatPairs[0].unk0_0 - gSaveBlock1.easyChatPairs[1].unk0_0 < 2)
+ {
+ asm("":::"r2"); //Force the compiler to store address of gSaveBlock1 in r3 instead of r2
+ if (!gSaveBlock1.easyChatPairs[0].unk1_6 && gSaveBlock1.easyChatPairs[1].unk1_6)
+ result = 1;
+ }
+ gScriptResult = result;
+}
+
+void sub_80FA648(void)
+{
+ gScriptResult = (gSaveBlock1.easyChatPairs[0].words[0] + gSaveBlock1.easyChatPairs[0].words[1]) & 7;
+}
+
+static bool8 sub_80FA670(struct EasyChatPair *a, struct EasyChatPair *b, u8 c)
+{
+ switch (c)
+ {
+ case 0:
+ if (a->unk0_0 > b->unk0_0)
+ return 1;
+ if (a->unk0_0 < b->unk0_0)
+ return 0;
+ if (a->unk0_7 > b->unk0_7)
+ return 1;
+ if (a->unk0_7 < b->unk0_7)
+ return 0;
+ break;
+ case 1:
+ if (a->unk0_7 > b->unk0_7)
+ return 1;
+ if (a->unk0_7 < b->unk0_7)
+ return 0;
+ if (a->unk0_0 > b->unk0_0)
+ return 1;
+ if (a->unk0_0 < b->unk0_0)
+ return 0;
+ break;
+ case 2:
+ if (a->unk0_0 > b->unk0_0)
+ return 1;
+ if (a->unk0_0 < b->unk0_0)
+ return 0;
+ if (a->unk0_7 > b->unk0_7)
+ return 1;
+ if (a->unk0_7 < b->unk0_7)
+ return 0;
+ if (a->unk2 > b->unk2)
+ return 1;
+ if (a->unk2 < b->unk2)
+ return 0;
+ if (a->words[0] > b->words[0])
+ return 1;
+ if (a->words[0] < b->words[0])
+ return 0;
+ if (a->words[1] > b->words[1])
+ return 1;
+ if (a->words[1] < b->words[1])
+ return 0;
+ return 1;
+ }
+ return Random() & 1;
+}
+
+static void sub_80FA740(struct EasyChatPair *s)
+{
+ u16 r4;
+
+ r4 = Random() % 98;
+ if (r4 > 50)
+ {
+ r4 = Random() % 98;
+ if (r4 > 80)
+ r4 = Random() % 98;
+ }
+ s->unk0_7 = r4 + 30;
+ s->unk0_0 = (Random() % (r4 + 1)) + 30;
+ s->unk2 = Random();
+}
+
+static bool8 SB1ContainsWords(u16 *a)
+{
+ u16 i;
+
+ for (i = 0; i < 5; i++)
+ {
+ if (IsEasyChatPairEqual(a, gSaveBlock1.easyChatPairs[i].words) != 0)
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static bool8 IsEasyChatPairEqual(u16 *words1, u16 *words2)
+{
+ u16 i;
+
+ for (i = 0; i < 2; i++)
+ {
+ if (*(words1++) != *(words2++))
+ return FALSE;
+ }
+ return TRUE;
+}
+
+static s16 sub_80FA828(struct EasyChatPair *a, u16 b)
+{
+ s16 i;
+ struct EasyChatPair *s = ARRAY_2007900;
+
+ for (i = 0; i < b; i++)
+ {
+ if (IsEasyChatPairEqual(a->words, s->words))
+ return i;
+ s++;
+ }
+ return -1;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-07 05:21:13 +0000