From a75ace8a53b3d79c414e578887b4bc92faffd207 Mon Sep 17 00:00:00 2001
From: Christian Semmler <mail@csemmler.com>
Date: Fri, 5 Jul 2024 19:44:01 -0700
Subject: [PATCH] Implement/match TowTrack::VTable0x70 (#1062)

---
 LEGO1/lego/legoomni/include/legovariables.h   |  1 +
 LEGO1/lego/legoomni/include/towtrack.h        | 10 +++--
 LEGO1/lego/legoomni/src/actors/towtrack.cpp   | 44 ++++++++++++++++---
 .../legoomni/src/common/legovariables.cpp     |  4 ++
 4 files changed, 49 insertions(+), 10 deletions(-)

diff --git a/LEGO1/lego/legoomni/include/legovariables.h b/LEGO1/lego/legoomni/include/legovariables.h
index b209776c..1b5cd93b 100644
--- a/LEGO1/lego/legoomni/include/legovariables.h
+++ b/LEGO1/lego/legoomni/include/legovariables.h
@@ -11,6 +11,7 @@ extern const char* g_varMOTOSPEED;
 extern const char* g_varMOTOFUEL;
 extern const char* g_varAMBULSPEED;
 extern const char* g_varAMBULFUEL;
+extern const char* g_varTOWSPEED;
 extern const char* g_varTOWFUEL;
 extern const char* g_varVISIBILITY;
 extern const char* g_varCAMERALOCATION;
diff --git a/LEGO1/lego/legoomni/include/towtrack.h b/LEGO1/lego/legoomni/include/towtrack.h
index ebcefb54..3d9c7a1a 100644
--- a/LEGO1/lego/legoomni/include/towtrack.h
+++ b/LEGO1/lego/legoomni/include/towtrack.h
@@ -48,8 +48,8 @@ class TowTrackMissionState : public LegoState {
 	// TowTrackMissionState::`scalar deleting destructor'
 
 	undefined4 m_unk0x08; // 0x08
-	undefined4 m_unk0x0c; // 0x0c
-	MxU8 m_unk0x10;       // 0x10
+	MxS32 m_unk0x0c;      // 0x0c
+	MxBool m_unk0x10;     // 0x10
 	MxS16 m_unk0x12;      // 0x12
 	MxS16 m_unk0x14;      // 0x14
 	MxS16 m_unk0x16;      // 0x16
@@ -84,7 +84,7 @@ class TowTrack : public IslePathActor {
 
 	MxLong Notify(MxParam& p_param) override;                                    // vtable+0x04
 	MxResult Create(MxDSAction& p_dsAction) override;                            // vtable+0x18
-	void VTable0x70(float p_float) override;                                     // vtable+0x70
+	void VTable0x70(float p_time) override;                                      // vtable+0x70
 	MxLong HandleClick() override;                                               // vtable+0xcc
 	MxLong HandleControl(LegoControlManagerNotificationParam& p_param) override; // vtable+0xd4
 	MxLong HandleEndAnim(LegoEndAnimNotificationParam& p_param) override;        // vtable+0xd8
@@ -101,6 +101,8 @@ class TowTrack : public IslePathActor {
 	// TowTrack::`scalar deleting destructor'
 
 private:
+	void FUN_1004dcf0(IsleScript::Script);
+
 	undefined4 m_unk0x160;         // 0x160
 	TowTrackMissionState* m_state; // 0x164
 	MxS16 m_unk0x168;              // 0x168
@@ -109,7 +111,7 @@ class TowTrack : public IslePathActor {
 	MxS16 m_unk0x16e;              // 0x16e
 	MxS32 m_unk0x170;              // 0x170
 	MxS32 m_unk0x174;              // 0x174
-	MxFloat m_unk0x178;            // 0x178
+	MxFloat m_fuel;                // 0x178
 	MxFloat m_time;                // 0x17c
 };
 
diff --git a/LEGO1/lego/legoomni/src/actors/towtrack.cpp b/LEGO1/lego/legoomni/src/actors/towtrack.cpp
index 05cf5fcb..dd9a0d9b 100644
--- a/LEGO1/lego/legoomni/src/actors/towtrack.cpp
+++ b/LEGO1/lego/legoomni/src/actors/towtrack.cpp
@@ -1,7 +1,9 @@
 #include "towtrack.h"
 
+#include "isle_actions.h"
 #include "legocontrolmanager.h"
 #include "legogamestate.h"
+#include "legonavcontroller.h"
 #include "legovariables.h"
 #include "legoworld.h"
 #include "misc.h"
@@ -23,7 +25,7 @@ TowTrack::TowTrack()
 	m_unk0x16e = 0;
 	m_unk0x174 = -1;
 	m_maxLinearVel = 40.0;
-	m_unk0x178 = 1.0;
+	m_fuel = 1.0;
 }
 
 // FUNCTION: LEGO1 0x1004c970
@@ -54,15 +56,39 @@ MxResult TowTrack::Create(MxDSAction& p_dsAction)
 	}
 
 	VariableTable()->SetVariable(g_varTOWFUEL, "1.0");
-	m_unk0x178 = 1.0;
+	m_fuel = 1.0;
 	m_time = Timer()->GetTime();
 	return result;
 }
 
-// STUB: LEGO1 0x1004cb10
-void TowTrack::VTable0x70(float p_float)
+// FUNCTION: LEGO1 0x1004cb10
+void TowTrack::VTable0x70(float p_time)
 {
-	// TODO
+	IslePathActor::VTable0x70(p_time);
+
+	if (UserActor() == this) {
+		char buf[200];
+		float speed = abs(m_worldSpeed);
+		float maxLinearVel = NavController()->GetMaxLinearVel();
+
+		sprintf(buf, "%g", speed / maxLinearVel);
+		VariableTable()->SetVariable(g_varTOWSPEED, buf);
+
+		m_fuel += (p_time - m_time) * -3.333333333e-06f;
+		if (m_fuel < 0) {
+			m_fuel = 0;
+		}
+
+		m_time = p_time;
+
+		sprintf(buf, "%g", m_fuel);
+		VariableTable()->SetVariable(g_varTOWFUEL, buf);
+
+		if (p_time - m_state->m_unk0x0c > 100000.0f && m_state->m_unk0x08 == 1 && !m_state->m_unk0x10) {
+			FUN_1004dcf0(IsleScript::c_Avo909In_PlayWav);
+			m_state->m_unk0x10 = TRUE;
+		}
+	}
 }
 
 // FUNCTION: LEGO1 0x1004cc40
@@ -139,6 +165,12 @@ void TowTrack::FUN_1004dbe0()
 	// TODO
 }
 
+// STUB: LEGO1 0x1004dcf0
+void TowTrack::FUN_1004dcf0(IsleScript::Script)
+{
+	// TODO
+}
+
 // FUNCTION: LEGO1 0x1004dd30
 TowTrackMissionState::TowTrackMissionState()
 {
@@ -149,7 +181,7 @@ TowTrackMissionState::TowTrackMissionState()
 	m_unk0x18 = 0;
 	m_unk0x0c = 0;
 	m_unk0x1a = 0;
-	m_unk0x10 = 0;
+	m_unk0x10 = FALSE;
 	m_score1 = 0;
 	m_score2 = 0;
 	m_score3 = 0;
diff --git a/LEGO1/lego/legoomni/src/common/legovariables.cpp b/LEGO1/lego/legoomni/src/common/legovariables.cpp
index 54569743..da6b30fd 100644
--- a/LEGO1/lego/legoomni/src/common/legovariables.cpp
+++ b/LEGO1/lego/legoomni/src/common/legovariables.cpp
@@ -48,6 +48,10 @@ const char* g_varAMBULSPEED = "ambulSPEED";
 // STRING: LEGO1 0x100f39a0
 const char* g_varAMBULFUEL = "ambulFUEL";
 
+// GLOBAL: LEGO1 0x100f43b0
+// STRING: LEGO1 0x100f43a4
+const char* g_varTOWSPEED = "towSPEED";
+
 // GLOBAL: LEGO1 0x100f43b4
 // STRING: LEGO1 0x100f439c
 const char* g_varTOWFUEL = "towFUEL";