8 files changed, 232 insertions, 11 deletions

diff --git a/src/User.cpp b/src/User.cpp
index 4cdb0f1b..21bd2ccf 100644
--- a/src/User.cpp
+++ b/src/User.cpp
@@ -1,10 +1,175 @@
+#include "User.h"
 #include "common.h"
 #include "patcher.h"
-#include "User.h"
 
-CPlaceName &CUserDisplay::PlaceName = *(CPlaceName*)0x8F29BC;
-COnscreenTimer &CUserDisplay::OnscnTimer = *(COnscreenTimer*)0x862238;
-CPager &CUserDisplay::Pager = *(CPager*)0x8F2744;
-CCurrentVehicle &CUserDisplay::CurrentVehicle = *(CCurrentVehicle*)0x8F5FE8;
+#include "DMAudio.h"
+#include "Hud.h"
+#include "Replay.h"
+#include "Timer.h"
+
+CPlaceName& CUserDisplay::PlaceName = *(CPlaceName*)0x8F29BC;
+COnscreenTimer& CUserDisplay::OnscnTimer = *(COnscreenTimer*)0x862238;
+CPager& CUserDisplay::Pager = *(CPager*)0x8F2744;
+CCurrentVehicle& CUserDisplay::CurrentVehicle = *(CCurrentVehicle*)0x8F5FE8;
+
+char* CTheScripts::ScriptSpace = (char*)0x74B248;
+
+int COnscreenTimer::Init() {
+	m_bDisabled = false;
+	for(uint32 i = 0; i < 1; i++) {
+		m_sEntries[i].m_nTimerOffset = 0;
+		m_sEntries[i].m_nCounterOffset = 0;
+
+		for(uint32 j = 0; j < 10; j++) {
+			m_sEntries[i].m_aTimerText[j] = 0;
+			m_sEntries[i].m_aCounterText[j] = 0;
+		}
+
+		m_sEntries[i].m_nType = 0;
+		m_sEntries[i].m_bTimerProcessed = 0;
+		m_sEntries[i].m_bCounterProcessed = 0;
+	}
+	return 1;
+}
+
+void COnscreenTimer::Process() {
+	if(CReplay::Mode != 1 && !m_bDisabled) {
+		for(uint32 i = 0; i < 1; i++) {
+			m_sEntries[i].Process();
+		}
+	}
+}
+
+void COnscreenTimer::ProcessForDisplay() {
+	if(CHud::m_Wants_To_Draw_Hud) {
+		m_bProcessed = false;
+		for(uint32 i = 0; i < 1; i++) {
+			if(m_sEntries[i].ProcessForDisplay()) {
+				m_bProcessed = true;
+			}
+		}
+	}
+}
+
+void COnscreenTimer::ClearCounter(uint32 offset) {
+	for(uint32 i = 0; i < 1; i++) {
+		if(offset == m_sEntries[i].m_nCounterOffset) {
+			m_sEntries[i].m_nCounterOffset = 0;
+			m_sEntries[i].m_aCounterText[0] = 0;
+			m_sEntries[i].m_nType = 0;
+			m_sEntries[i].m_bCounterProcessed = 0;
+		}
+	}
+}
+
+void COnscreenTimer::ClearClock(uint32 offset) {
+	for(uint32 i = 0; i < 1; i++) {
+		if(offset == m_sEntries[i].m_nTimerOffset) {
+			m_sEntries[i].m_nTimerOffset = 0;
+			m_sEntries[i].m_aTimerText[0] = 0;
+			m_sEntries[i].m_bTimerProcessed = 0;
+		}
+	}
+}
+
+void COnscreenTimer::AddCounter(uint32 offset, uint16 type, char* text) {
+	uint32 i = 0;
+	for(uint32 i = 0; i < 1; i++) {
+		if(m_sEntries[i].m_nCounterOffset == 0) {
+			break;
+		}
+		return;
+	}
+
+	m_sEntries[i].m_nCounterOffset = offset;
+	if(text) {
+		strncpy((char*)m_sEntries[i].m_aCounterText, text, 10);
+	} else {
+		m_sEntries[i].m_aCounterText[0] = 0;
+	}
+
+	m_sEntries[i].m_nType = type;
+}
+
+void COnscreenTimer::AddClock(uint32 offset, char* text) {
+	uint32 i = 0;
+	for(uint32 i = 0; i < 1; i++) {
+		if(m_sEntries[i].m_nTimerOffset == 0) {
+			break;
+		}
+		return;
+	}
+
+	m_sEntries[i].m_nTimerOffset = offset;
+	if(text) {
+		strncpy((char*)m_sEntries[i].m_aTimerText, text, 10u);
+	} else {
+		m_sEntries[i].m_aTimerText[0] = 0;
+	}
+}
+
+void COnscreenTimerEntry::Process() {
+	if(m_nTimerOffset) {
+		uint32* timerPtr = (uint32*)&CTheScripts::ScriptSpace[m_nTimerOffset];
+		uint32 oldTime = *timerPtr;
+		int32 newTime = int32(oldTime - uint32(20.0f * CTimer::GetTimeStep()));
+		if(newTime < 0) {
+			*timerPtr = 0;
+			m_bTimerProcessed = 0;
+			m_nTimerOffset = 0;
+			m_aTimerText[0] = 0;
+		} else {
+			*timerPtr = (uint32)newTime;
+			uint32 oldTimeSeconds = oldTime / 1000;
+			if(oldTimeSeconds <= 11 && newTime / 1000 != oldTimeSeconds) {
+				DMAudio.PlayFrontEndSound(0x93u, newTime / 1000);
+			}
+		}
+	}
+}
+
+bool COnscreenTimerEntry::ProcessForDisplay() {
+	m_bTimerProcessed = false;
+	m_bCounterProcessed = false;
+
+	if(!m_nTimerOffset && !m_nCounterOffset) {
+		return false;
+	}
+
+	if(m_nTimerOffset) {
+		m_bTimerProcessed = true;
+		ProcessForDisplayTimer();
+	}
+
+	if(m_nCounterOffset) {
+		m_bCounterProcessed = true;
+		ProcessForDisplayCounter();
+	}
+	return true;
+}
+
+int COnscreenTimerEntry::ProcessForDisplayTimer() {
+	uint32 time = *(uint32*)&CTheScripts::ScriptSpace[m_nTimerOffset];
+	return sprintf(m_bTimerBuffer, "%02d:%02d", time / 1000 / 60,
+				   time / 1000 % 60);
+}
+
+int COnscreenTimerEntry::ProcessForDisplayCounter() {
+	uint32 counter = *(uint32*)&CTheScripts::ScriptSpace[m_nCounterOffset];
+	return sprintf(m_bCounterBuffer, "%d", counter);
+}
+
+STARTPATCHES
+InjectHook(0x429160, &COnscreenTimerEntry::Process, PATCH_JUMP);
+InjectHook(0x429110, &COnscreenTimerEntry::ProcessForDisplay, PATCH_JUMP);
+InjectHook(0x429080, &COnscreenTimerEntry::ProcessForDisplayTimer, PATCH_JUMP);
+InjectHook(0x4290F0, &COnscreenTimerEntry::ProcessForDisplayCounter, PATCH_JUMP);
 
-WRAPPER void COnscreenTimer::ProcessForDisplay(void) { EAXJMP(0x4292E0); }
+InjectHook(0x429220, &COnscreenTimer::Init, PATCH_JUMP);
+InjectHook(0x429320, &COnscreenTimer::Process, PATCH_JUMP);
+InjectHook(0x4292E0, &COnscreenTimer::ProcessForDisplay, PATCH_JUMP);
+InjectHook(0x429450, &COnscreenTimer::ClearCounter, PATCH_JUMP);
+InjectHook(0x429410, &COnscreenTimer::ClearClock, PATCH_JUMP);
+InjectHook(0x4293B0, &COnscreenTimer::AddCounter, PATCH_JUMP);
+InjectHook(0x429350, &COnscreenTimer::AddClock, PATCH_JUMP);
+ENDPATCHES
diff --git a/src/User.h b/src/User.h
index 9717fae0..3b88de56 100644
--- a/src/User.h
+++ b/src/User.h
@@ -1,11 +1,55 @@
 #pragma once
 
+#include "common.h"
+
+class COnscreenTimerEntry
+{
+public:
+	uint32 m_nTimerOffset;
+	uint32 m_nCounterOffset;
+	uint8 m_aTimerText[10];
+	uint8 m_aCounterText[10];
+	uint16 m_nType;
+	char m_bCounterBuffer[42];
+	char m_bTimerBuffer[42];
+	bool m_bTimerProcessed;
+	bool m_bCounterProcessed;
+
+	void Process();
+	bool ProcessForDisplay();
+
+	int ProcessForDisplayTimer();
+	int ProcessForDisplayCounter();
+};
+
+static_assert(sizeof(COnscreenTimerEntry) == 0x74, "COnscreenTimerEntry: error");
+
+class CTheScripts{
+public:
+	static char *ScriptSpace;//[163840]
+};
+
 class COnscreenTimer
 {
 public:
-	void ProcessForDisplay(void);
+	COnscreenTimerEntry m_sEntries[1];
+	bool m_bProcessed;
+	bool m_bDisabled;
+	char field_119[2];
+
+	int Init();
+	void Process();
+	void ProcessForDisplay();
+
+	void ClearCounter(uint32 offset);
+	void ClearClock(uint32 offset);
+
+	void AddCounter(uint32 offset, uint16 type, char* text);
+	void AddClock(uint32 offset, char* text);
 };
 
+static_assert(sizeof(COnscreenTimer) == 0x78, "COnscreenTimer: error");
+
 class CPlaceName
 {
 };
diff --git a/src/audio/DMAudio.cpp b/src/audio/DMAudio.cpp
index d7b334c6..dcfdc81b 100644
--- a/src/audio/DMAudio.cpp
+++ b/src/audio/DMAudio.cpp
@@ -15,3 +15,5 @@ WRAPPER Bool cDMAudio::IsAudioInitialised() { EAXJMP(0x57CAB0); }
 WRAPPER Char cDMAudio::GetCDAudioDriveLetter() { EAXJMP(0x57CA90); }
 WRAPPER Bool cDMAudio::CheckForAnAudioFileOnCD() { EAXJMP(0x57CA70); }
 WRAPPER void cDMAudio::ChangeMusicMode(UInt8 mode) { EAXJMP(0x57CCF0); }
+
+WRAPPER void cDMAudio::PlayFrontEndSound(uint32, uint32) { EAXJMP(0x57CC20); }
diff --git a/src/audio/DMAudio.h b/src/audio/DMAudio.h
index ee052dfc..91a3ff0f 100644
--- a/src/audio/DMAudio.h
+++ b/src/audio/DMAudio.h
@@ -9,11 +9,13 @@ public:
 	void ReleaseDigitalHandle(void);
 	void ReacquireDigitalHandle(void);
 	void Service(void);
-	void ReportCollision(CEntity *A, CEntity *B, uint8 surfA, uint8 surfB, float impulse, float speed);
-	void ResetTimers(UInt32 timerval); 
+	void ReportCollision(CEntity* A, CEntity* B, uint8 surfA, uint8 surfB,
+						 float impulse, float speed);
+	void ResetTimers(UInt32 timerval);
 	Bool IsAudioInitialised(void);
 	Char GetCDAudioDriveLetter(void);
 	Bool CheckForAnAudioFileOnCD(void);
 	void ChangeMusicMode(UInt8 mode);
+	void PlayFrontEndSound(uint32, uint32);
 };
-extern cDMAudio &DMAudio;
+extern cDMAudio& DMAudio;
diff --git a/src/control/Replay.cpp b/src/control/Replay.cpp
index 32e7dc0c..6cfbd846 100644
--- a/src/control/Replay.cpp
+++ b/src/control/Replay.cpp
@@ -2,4 +2,6 @@
 #include "patcher.h"
 #include "Replay.h"
 
-WRAPPER void CReplay::Display(void) { EAXJMP(0x595EE0); }
\ No newline at end of file
+uint8 &CReplay::Mode = *(uint8*)0x95CD5B;
+
+WRAPPER void CReplay::Display(void) { EAXJMP(0x595EE0); }
diff --git a/src/control/Replay.h b/src/control/Replay.h
index 77e50403..eca818d6 100644
--- a/src/control/Replay.h
+++ b/src/control/Replay.h
@@ -4,4 +4,6 @@ class CReplay
 {
 public:
 	static void Display(void);
+
+	static uint8 &Mode;
 };
diff --git a/src/render/Hud.cpp b/src/render/Hud.cpp
index f3211fd6..0de5f5b0 100644
--- a/src/render/Hud.cpp
+++ b/src/render/Hud.cpp
@@ -2,5 +2,7 @@
 #include "patcher.h"
 #include "Hud.h"
 
+bool &CHud::m_Wants_To_Draw_Hud = *(bool*)0x95CD89;
+
 WRAPPER void CHud::Draw(void) { EAXJMP(0x5052A0); }
 WRAPPER void CHud::DrawAfterFade(void) { EAXJMP(0x509030); }
diff --git a/src/render/Hud.h b/src/render/Hud.h
index 72d3c6ad..242acea8 100644
--- a/src/render/Hud.h
+++ b/src/render/Hud.h
@@ -5,4 +5,6 @@ class CHud
 public:
 	static void Draw(void);
 	static void DrawAfterFade(void);
+
+	static bool &m_Wants_To_Draw_Hud;
 };