Decompile cycling field specials

1 files changed, 192 insertions, 0 deletions

diff --git a/src/field_specials.c b/src/field_specials.c
new file mode 100644
index 000000000..00bdaeb43
--- /dev/null
+++ b/src/field_specials.c
@@ -0,0 +1,192 @@
+#include "global.h"
+#include "asm.h"
+#include "event_data.h"
+#include "field_player_avatar.h"
+#include "main.h"
+#include "map_constants.h"
+#include "rom4.h"
+#include "script.h"
+#include "songs.h"
+#include "string_util.h"
+#include "strings.h"
+#include "text.h"
+#include "wallclock.h"
+
+#define CHAR_PERIOD 0xAD
+#define CHAR_COMMA 0xB8
+
+#if ENGLISH
+#define CHAR_DECIMAL_SEPARATOR CHAR_PERIOD
+#elif GERMAN
+#define CHAR_DECIMAL_SEPARATOR CHAR_COMMA
+#endif
+
+extern struct WarpData gUnknown_020297F0;
+extern u16 gScriptResult;
+extern u8 gUnknown_02039250;
+extern u8 gUnknown_02039251;
+extern u32 gUnknown_02039254;
+
+static void RecordCyclingRoadResults(u32, u8);
+
+void sub_810D6A4(void) {
+    SetMainCallback2(sub_8145D88);
+    ScriptContext2_Enable();
+}
+
+void sub_810D6B8(void) {
+    gMain.savedCallback = c2_exit_to_overworld_2_switch;
+    SetMainCallback2(CB2_ViewWallClock);
+    ScriptContext2_Enable();
+}
+
+void ResetCyclingRoadChallengeData(void) {
+    gUnknown_02039250 = 0;
+    gUnknown_02039251 = 0;
+    gUnknown_02039254 = 0;
+}
+
+void BeginCyclingRoadChallenge(void) {
+    gUnknown_02039250 = 1;
+    gUnknown_02039251 = 0;
+    gUnknown_02039254 = gMain.vblankCounter1;
+}
+
+u16 GetPlayerAvatarBike(void) {
+    if (TestPlayerAvatarFlags(PLAYER_AVATAR_FLAG_ACRO_BIKE))
+    {
+        return 1;
+    }
+
+    if (TestPlayerAvatarFlags(PLAYER_AVATAR_FLAG_MACH_BIKE))
+    {
+        return 2;
+    }
+
+    return 0;
+}
+
+void DetermineCyclingRoadResults(u32 arg0, u8 arg1) {
+    u8 result;
+
+    if (arg1 <= 99)
+    {
+        ConvertIntToDecimalStringN(gStringVar1, arg1, STR_CONV_MODE_LEFT_ALIGN, 2);
+        StringAppend(gStringVar1, gOtherText_Times);
+    }
+    else
+    {
+        StringCopy(gStringVar1, gOtherText_99Times);
+    }
+
+    if (arg0 < 3600)
+    {
+        ConvertIntToDecimalStringN(gStringVar2, arg0 / 60, STR_CONV_MODE_RIGHT_ALIGN, 2);
+        gStringVar2[2] = CHAR_DECIMAL_SEPARATOR;
+        ConvertIntToDecimalStringN(&gStringVar2[3], ((arg0 % 60) * 100) / 60, STR_CONV_MODE_LEADING_ZEROS, 2);
+        StringAppend(gStringVar2, gOtherText_Seconds);
+    }
+    else
+    {
+        StringCopy(gStringVar2, gOtherText_1Minute);
+    }
+
+    result = 0;
+    if (arg1 == 0)
+    {
+        result = 5;
+    }
+    else if (arg1 < 4)
+    {
+        result = 4;
+    }
+    else if (arg1 < 10)
+    {
+        result = 3;
+    }
+    else if (arg1 < 20)
+    {
+        result = 2;
+    }
+    else if (arg1 < 100)
+    {
+        result = 1;
+    }
+
+    if (arg0 / 60 <= 10)
+    {
+        result += 5;
+    }
+    else if (arg0 / 60 <= 15)
+    {
+        result += 4;
+    }
+    else if (arg0 / 60 <= 20)
+    {
+        result += 3;
+    }
+    else if (arg0 / 60 <= 40)
+    {
+        result += 2;
+    }
+    else if (arg0 / 60 < 60)
+    {
+        result += 1;
+    }
+
+
+    gScriptResult = result;
+}
+
+void FinishCyclingRoadChallenge(void) {
+    const u32 time = gMain.vblankCounter1 - gUnknown_02039254;
+
+    DetermineCyclingRoadResults(time, gUnknown_02039251);
+    RecordCyclingRoadResults(time, gUnknown_02039251);
+}
+
+static void RecordCyclingRoadResults(u32 arg0, u8 arg1) {
+    u16 high, low;
+    u32 record;
+
+    high = VarGet(0x4028);
+    low = VarGet(0x4029);
+    record = high + (low << 16);
+
+    if (record > arg0 || record == 0)
+    {
+        VarSet(0x4028, arg0);
+        VarSet(0x4029, arg0 >> 16);
+        VarSet(0x4027, arg1);
+    }
+}
+
+u16 GetRecordedCyclingRoadResults(void) {
+    u16 high, low;
+    u32 record;
+
+    high = VarGet(0x4028);
+    low = VarGet(0x4029);
+    record = high + (low << 16);
+
+    if (record == 0)
+    {
+        return FALSE;
+    }
+
+    DetermineCyclingRoadResults(record, VarGet(0x4027));
+    return TRUE;
+}
+
+void UpdateCyclingRoadState(void) {
+    if (gUnknown_020297F0.mapNum == MAP_ID_ROUTE110_SEASIDE_CYCLING_ROAD_NORTH_ENTRANCE && gUnknown_020297F0.mapGroup == MAP_GROUP_ROUTE110_SEASIDE_CYCLING_ROAD_NORTH_ENTRANCE)
+    {
+        return;
+    }
+
+    if (VarGet(0x40a9) == 2 || VarGet(0x40a9) == 3)
+    {
+        VarSet(0x40a9, 0);
+        sav1_set_battle_music_maybe(SE_STOP);
+    }
+}