From 33c64bb00296fa4e9bbebd3eb0c8e15f8a41bae4 Mon Sep 17 00:00:00 2001
From: Christian Semmler <mail@csemmler.com>
Date: Thu, 13 Jun 2024 11:25:48 -0400
Subject: [PATCH] Implement/match Ambulance::VTable0x70 (#1027)

---
 LEGO1/lego/legoomni/include/ambulance.h       |  4 +--
 LEGO1/lego/legoomni/include/legovariables.h   |  1 +
 LEGO1/lego/legoomni/src/actors/ambulance.cpp  | 31 +++++++++++++++----
 .../legoomni/src/common/legovariables.cpp     |  4 +++
 4 files changed, 32 insertions(+), 8 deletions(-)

diff --git a/LEGO1/lego/legoomni/include/ambulance.h b/LEGO1/lego/legoomni/include/ambulance.h
index f4105678..f8213c90 100644
--- a/LEGO1/lego/legoomni/include/ambulance.h
+++ b/LEGO1/lego/legoomni/include/ambulance.h
@@ -87,7 +87,7 @@ class Ambulance : public IslePathActor {
 
 	MxResult Create(MxDSAction& p_dsAction) override;                         // vtable+0x18
 	void Destroy(MxBool p_fromDestructor) override;                           // vtable+0x1c
-	void VTable0x70(float p_float) override;                                  // vtable+0x70
+	void VTable0x70(float p_time) override;                                   // vtable+0x70
 	MxLong HandleClick() override;                                            // vtable+0xcc
 	MxLong HandleControl(LegoControlManagerEvent& p_param) override;          // vtable+0xd4
 	MxLong HandleNotification19(MxType19NotificationParam& p_param) override; // vtable+0xdc
@@ -119,7 +119,7 @@ class Ambulance : public IslePathActor {
 	MxS16 m_unk0x172;                   // 0x172
 	IsleScript::Script m_lastAction;    // 0x174
 	IsleScript::Script m_lastAnimation; // 0x178
-	MxFloat m_unk0x17c;                 // 0x17c
+	MxFloat m_fuel;                     // 0x17c
 	MxFloat m_time;                     // 0x180
 };
 
diff --git a/LEGO1/lego/legoomni/include/legovariables.h b/LEGO1/lego/legoomni/include/legovariables.h
index 9ef1a197..582c5b58 100644
--- a/LEGO1/lego/legoomni/include/legovariables.h
+++ b/LEGO1/lego/legoomni/include/legovariables.h
@@ -3,6 +3,7 @@
 
 #include "mxvariable.h"
 
+extern const char* g_varAMBULSPEED;
 extern const char* g_varAMBULFUEL;
 extern const char* g_varTOWFUEL;
 extern const char* g_varVISIBILITY;
diff --git a/LEGO1/lego/legoomni/src/actors/ambulance.cpp b/LEGO1/lego/legoomni/src/actors/ambulance.cpp
index 708764ec..5459c882 100644
--- a/LEGO1/lego/legoomni/src/actors/ambulance.cpp
+++ b/LEGO1/lego/legoomni/src/actors/ambulance.cpp
@@ -7,6 +7,7 @@
 #include "legoanimationmanager.h"
 #include "legocontrolmanager.h"
 #include "legogamestate.h"
+#include "legonavcontroller.h"
 #include "legoutils.h"
 #include "legovariables.h"
 #include "legoworld.h"
@@ -37,7 +38,7 @@ Ambulance::Ambulance()
 	m_lastAction = IsleScript::c_noneIsle;
 	m_unk0x172 = 0;
 	m_lastAnimation = IsleScript::c_noneIsle;
-	m_unk0x17c = 1.0;
+	m_fuel = 1.0;
 }
 
 // FUNCTION: LEGO1 0x10035f90
@@ -75,16 +76,34 @@ MxResult Ambulance::Create(MxDSAction& p_dsAction)
 	}
 
 	VariableTable()->SetVariable(g_varAMBULFUEL, "1.0");
-	m_unk0x17c = 1.0;
+	m_fuel = 1.0;
 	m_time = Timer()->GetTime();
 	return result;
 }
 
-// STUB: LEGO1 0x10036300
-void Ambulance::VTable0x70(float p_float)
+// FUNCTION: LEGO1 0x10036300
+void Ambulance::VTable0x70(float p_time)
 {
-	// TODO
-	IslePathActor::VTable0x70(p_float);
+	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_varAMBULSPEED, 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_varAMBULFUEL, buf);
+	}
 }
 
 // FUNCTION: LEGO1 0x100363f0
diff --git a/LEGO1/lego/legoomni/src/common/legovariables.cpp b/LEGO1/lego/legoomni/src/common/legovariables.cpp
index 38b5b5e8..52e78930 100644
--- a/LEGO1/lego/legoomni/src/common/legovariables.cpp
+++ b/LEGO1/lego/legoomni/src/common/legovariables.cpp
@@ -16,6 +16,10 @@ DECOMP_SIZE_ASSERT(CursorVariable, 0x24)
 DECOMP_SIZE_ASSERT(WhoAmIVariable, 0x24)
 DECOMP_SIZE_ASSERT(CustomizeAnimFileVariable, 0x24)
 
+// GLOBAL: LEGO1 0x100f39b8
+// STRING: LEGO1 0x100f39ac
+const char* g_varAMBULSPEED = "ambulSPEED";
+
 // GLOBAL: LEGO1 0x100f39bc
 // STRING: LEGO1 0x100f39a0
 const char* g_varAMBULFUEL = "ambulFUEL";