1 files changed, 116 insertions, 0 deletions

diff --git a/src/Clock.cpp b/src/Clock.cpp
new file mode 100644
index 00000000..dc8e1599
--- /dev/null
+++ b/src/Clock.cpp
@@ -0,0 +1,116 @@
+#include "common.h"
+#include "patcher.h"
+#include "Timer.h"
+#include "Pad.h"
+#include "Clock.h"
+
+uint8  &CClock::ms_nGameClockHours = *(uint8*)0x95CDA6;
+uint8  &CClock::ms_nGameClockMinutes = *(uint8*)0x95CDC8;
+uint16 &CClock::ms_nGameClockSeconds = *(uint16*)0x95CC7C;
+uint8  &CClock::ms_Stored_nGameClockHours = *(uint8*)0x95CD7B;
+uint8  &CClock::ms_Stored_nGameClockMinutes = *(uint8*)0x95CD9B;
+uint16 &CClock::ms_Stored_nGameClockSeconds = *(uint16*)0x95CC9C;
+uint32 &CClock::ms_nMillisecondsPerGameMinute = *(uint32*)0x8F2C64;
+int32  &CClock::ms_nLastClockTick = *(int32*)0x9430E4;
+bool   &CClock::ms_bClockHasBeenStored = *(bool*)0x95CD82;
+
+void
+CClock::Initialise(uint32 scale)
+{
+	debug("Initialising CClock...\n");
+	ms_nGameClockHours = 12;
+	ms_nGameClockMinutes = 0;
+	ms_nGameClockSeconds = 0;
+	ms_nMillisecondsPerGameMinute = scale;
+	ms_nLastClockTick = CTimer::GetTimeInMilliseconds();
+	ms_bClockHasBeenStored = false;
+	debug("CClock ready\n");
+}
+
+void
+CClock::Update(void)
+{
+	if(CPad::GetPad(1)->NewState.r1){
+		ms_nGameClockMinutes += 8;
+		ms_nLastClockTick = CTimer::GetTimeInMilliseconds();
+		if(ms_nGameClockMinutes >= 60){
+			ms_nGameClockHours++;
+			ms_nGameClockMinutes = 0;
+			if(ms_nGameClockHours >= 24)
+				ms_nGameClockHours = 0;
+		}
+	}else
+	if(CTimer::GetTimeInMilliseconds() - ms_nLastClockTick >
+	   ms_nMillisecondsPerGameMinute){
+		ms_nGameClockMinutes++;
+		ms_nLastClockTick += ms_nMillisecondsPerGameMinute;
+		if(ms_nGameClockMinutes >= 60){
+			ms_nGameClockHours++;
+			ms_nGameClockMinutes = 0;
+			if(ms_nGameClockHours >= 24)
+				ms_nGameClockHours = 0;
+				// TODO: stats days passed
+		}
+	}
+	ms_nGameClockSeconds +=
+			60
+			* (CTimer::GetTimeInMilliseconds() - ms_nLastClockTick)
+			/ ms_nMillisecondsPerGameMinute;
+}
+
+void
+CClock::SetGameClock(uint8 h, uint8 m)
+{
+	ms_nGameClockHours = h;
+	ms_nGameClockMinutes = m;
+	ms_nGameClockSeconds = 0;
+	ms_nLastClockTick = CTimer::GetTimeInMilliseconds();
+}
+
+int32
+CClock::GetGameClockMinutesUntil(uint8 h, uint8 m)
+{
+	int32 now, then;
+	now = ms_nGameClockHours*60 + ms_nGameClockMinutes;
+	then = h*60 + m;
+	if(then < now)
+		then += 24*60;
+	return then-now;
+}
+
+bool
+CClock::GetIsTimeInRange(uint8 h1, uint8 h2)
+{
+	if(h1 > h2)
+		return ms_nGameClockHours >= h1 || ms_nGameClockHours < h2;
+	else
+		return ms_nGameClockHours >= h1 && ms_nGameClockHours < h2;
+}
+
+void
+CClock::StoreClock(void)
+{
+	ms_Stored_nGameClockHours = ms_nGameClockHours;
+	ms_Stored_nGameClockMinutes = ms_nGameClockMinutes;
+	ms_Stored_nGameClockSeconds = ms_nGameClockSeconds;
+	ms_bClockHasBeenStored = true;
+}
+
+void
+CClock::RestoreClock(void)
+{
+	ms_nGameClockHours = ms_Stored_nGameClockHours;
+	ms_nGameClockMinutes = ms_Stored_nGameClockMinutes;
+	ms_nGameClockSeconds = ms_Stored_nGameClockSeconds;
+}
+
+
+STARTPATCHES
+	InjectHook(0x473370, CClock::Initialise, PATCH_JUMP);
+	InjectHook(0x473460, CClock::Update, PATCH_JUMP);
+	InjectHook(0x4733C0, CClock::SetGameClock, PATCH_JUMP);
+	InjectHook(0x4733F0, CClock::GetGameClockMinutesUntil, PATCH_JUMP);
+	InjectHook(0x473420, CClock::GetIsTimeInRange, PATCH_JUMP);
+	InjectHook(0x473540, CClock::StoreClock, PATCH_JUMP);
+	InjectHook(0x473570, CClock::RestoreClock, PATCH_JUMP);
+ENDPATCHES