diff --git a/README.md b/README.md
index a07b2f11..5e020987 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,8 @@ such that we have a working game at all times.
 Apparently you can download a binary of the latest version
 [here](https://ci.appveyor.com/api/projects/aap/re3/artifacts/bin%2FReleaseCI%2Fre3.dll?branch=master).
 
+Re3 starts the script main_freeroam.scm by default. Make sure you copy it to your data directory.
+
 # Strategy
 
 A good approach is to start at the fringes of the code base,
@@ -43,6 +45,9 @@ CCollision
 CCullZones
 CTheZones
 CPathFind
+CCam
+CParticle
+CParticleMgr
 ```
 
 # Low hanging fruit
diff --git a/gamefiles/main_d.scm b/gamefiles/main_d.scm
new file mode 100644
index 00000000..7b46ca39
Binary files /dev/null and b/gamefiles/main_d.scm differ
diff --git a/gamefiles/main_freeroam.scm b/gamefiles/main_freeroam.scm
new file mode 100644
index 00000000..021b5c25
Binary files /dev/null and b/gamefiles/main_freeroam.scm differ
diff --git a/src/General.h b/src/General.h
index d67b1ff0..aa52bf4d 100644
--- a/src/General.h
+++ b/src/General.h
@@ -1,5 +1,4 @@
-
-
+#pragma once
 
 class CGeneral
 {
@@ -46,8 +45,8 @@ public:
 		{ return myrand() & 0xFFFF; }
 	// Probably don't want to ever reach high
 	static float GetRandomNumberInRange(float low, float high)
-		{ return low + (high - low)*(GetRandomNumber()/float(MY_RAND_MAX + 1)); }
+		{ return low + (high - low)*(GetRandomNumber()/65536.0f); }
 		
 	static Int32 GetRandomNumberInRange(Int32 low, Int32 high)
-		{ return low + (high - low)*(GetRandomNumber()/float(MY_RAND_MAX + 1)); }
+		{ return low + (high - low)*(GetRandomNumber()/65536.0f); }
 };
diff --git a/src/RecordDataForChase.cpp b/src/RecordDataForChase.cpp
deleted file mode 100644
index 6bff623e..00000000
--- a/src/RecordDataForChase.cpp
+++ /dev/null
@@ -1,5 +0,0 @@
-#include "common.h"
-#include "RecordDataForChase.h"
-
-
-UInt8 &CRecordDataForChase::Status = *(UInt8*)0x95CDCE;
\ No newline at end of file
diff --git a/src/RecordDataForChase.h b/src/RecordDataForChase.h
deleted file mode 100644
index 0dc72bed..00000000
--- a/src/RecordDataForChase.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#pragma once
-
-class CRecordDataForChase
-{
-public:
-	static UInt8 &Status;
-};
\ No newline at end of file
diff --git a/src/RecordDataForGame.cpp b/src/RecordDataForGame.cpp
deleted file mode 100644
index 05b4223c..00000000
--- a/src/RecordDataForGame.cpp
+++ /dev/null
@@ -1,4 +0,0 @@
-#include "common.h"
-#include "RecordDataForGame.h"
-
-UInt16 &CRecordDataForGame::RecordingState = *(UInt16 *)0x95CC24;
\ No newline at end of file
diff --git a/src/Timer.cpp b/src/Timer.cpp
index 02dbf55a..35e569ac 100644
--- a/src/Timer.cpp
+++ b/src/Timer.cpp
@@ -1,10 +1,9 @@
+#include <Windows.h>
 #include "common.h"
 #include "patcher.h"
 #include "DMAudio.h"
+#include "Record.h"
 #include "Timer.h"
-#include "RecordDataForGame.h"
-#include "RecordDataForChase.h"
-#include <Windows.h>
 
 uint32 &CTimer::m_snTimeInMilliseconds = *(uint32*)0x885B48;
 uint32 &CTimer::m_snTimeInMillisecondsPauseMode = *(uint32*)0x5F7614;
@@ -229,4 +228,3 @@ STARTPATCHES
 	InjectHook(0x4AD4A0, CTimer::EndUserPause, PATCH_JUMP);
 ENDPATCHES
 #endif
-
diff --git a/src/common.h b/src/common.h
index 89c031fe..34214d42 100644
--- a/src/common.h
+++ b/src/common.h
@@ -18,32 +18,29 @@
 
 #define rwVENDORID_ROCKSTAR 0x0253F2
 
-typedef uint8_t uint8;
-typedef int8_t int8;
-typedef uint16_t uint16;
-typedef int16_t int16;
-typedef uint32_t uint32;
-typedef int32_t int32;
+// Get rid of bullshit windows definitions, we're not running on an 8086
+#ifdef far
+#undef far
+#endif
+#ifdef near
+#undef near
+#endif
+
+typedef uint8_t uint8, UInt8;
+typedef int8_t int8, Int8;
+typedef uint16_t uint16, UInt16;
+typedef int16_t int16, Int16;
+typedef uint32_t uint32, UInt32;
+typedef int32_t int32, Int32;
 typedef uintptr_t uintptr;
+typedef uint64_t uint64, UInt64;
+typedef int64_t int64, Int64;
 
-typedef char                            Int8;
-typedef unsigned char                   UInt8;
-typedef signed char                     SInt8;
-typedef short                           Int16;
-typedef unsigned short                  UInt16;
-typedef signed short                    SInt16;
-typedef int                             Int32;
-typedef unsigned int                    UInt32;
-typedef signed int                      SInt32;
-typedef float                           Float;
-typedef double                          Double;
-typedef Int8 Bool; //typedef bool Bool;
+typedef float Float;
+typedef double Double;
+typedef bool Bool;
 typedef char Char;
 
-typedef __int64                         Int64;
-typedef unsigned __int64                UInt64;
-typedef signed __int64                  SInt64;
-
 #define nil NULL
 
 #include "config.h"
@@ -85,10 +82,10 @@ extern RsGlobalType &RsGlobal;
 #define DEFAULT_SCREEN_HEIGHT (448)
 #define SCREEN_WIDTH Float(RsGlobal.width)
 #define SCREEN_HEIGHT Float(RsGlobal.height)
-#define SCREEN_STRETCH_X(a)   Float( a * ( SCREEN_WIDTH / Float(DEFAULT_SCREEN_WIDTH)  ) )
-#define SCREEN_STRETCH_Y(a)   Float( a * ( SCREEN_HEIGHT / Float(DEFAULT_SCREEN_HEIGHT) ) )
-#define SCREEN_FROM_RIGHT(a)  Float( SCREEN_WIDTH - SCREEN_STRETCH_X(a) )
-#define SCREEN_FROM_BOTTOM(a) Float( SCREEN_HEIGHT - SCREEN_STRETCH_Y(a) )
+#define SCREEN_STRETCH_X(a)   Float((a) * (SCREEN_WIDTH / Float(DEFAULT_SCREEN_WIDTH)))
+#define SCREEN_STRETCH_Y(a)   Float((a) * (SCREEN_HEIGHT / Float(DEFAULT_SCREEN_HEIGHT)))
+#define SCREEN_FROM_RIGHT(a)  Float(SCREEN_WIDTH - SCREEN_STRETCH_X(a))
+#define SCREEN_FROM_BOTTOM(a) Float(SCREEN_HEIGHT - SCREEN_STRETCH_Y(a))
 
 char *GetUserDirectory(void);
 
@@ -120,41 +117,29 @@ public:
 	CRGBA(void) { }
 	CRGBA(uint8 r, uint8 g, uint8 b, uint8 a) : r(r), g(g), b(b), a(a) { }
 #ifdef RWCORE_H
-	operator RwRGBA &(void)
-	{
+	operator RwRGBA &(void) {
 		return rwRGBA;
 	}
 	
-	operator RwRGBA *(void)
-	{
+	operator RwRGBA *(void) {
 		return &rwRGBA;
 	}
 	
-	operator RwRGBA (void) const
-	{
+	operator RwRGBA (void) const {
 		return rwRGBA;
 	}
 #endif
 };
 
-// inline float clamp(float v, float min, float max){ return v<min ? min : v>max ? max : v; }
+#define clamp(v, low, high) ((v)<(low) ? (low) : (v)>(high) ? (high) : (v))
 
-inline float
-sq(float x) { return x*x; }
-
-#define SQR(x) ( x * x )
+inline float sq(float x) { return x*x; }
+#define SQR(x) ((x) * (x))
 
 #define PI M_PI
 #define DEGTORAD(x) ((x) * PI / 180.0f)
 #define RADTODEG(x) ((x) * 180.0f / PI)
 
-
-#if USE_PS2_RAND == TRUE
-#define MY_RAND_MAX		65535
-#else
-#define MY_RAND_MAX		32767
-#endif
-
 int myrand(void);
 void mysrand(unsigned int seed);
 
@@ -167,10 +152,6 @@ void mysrand(unsigned int seed);
 #define VALIDATE_SIZE(struc, size) static_assert(sizeof(struc) == size, "Invalid structure size of " #struc)
 #define VALIDATE_OFFSET(struc, member, offset) static_assert(offsetof(struc, member) == offset, "The offset of " #member " in " #struc " is not " #offset "...")
 
-#define clamp(v, a, b) (max(min(v, b), a))
-//#define min(a, b) ((a) < (b) ? (a) : (b))
-//#define max(a, b) ((a) > (b) ? (a) : (b))
-
-#define PERCENT(x, p)                    ( ( Float(x) * ( Float(p) / 100.0f ) ) )
+#define PERCENT(x, p)                    ((Float(x) * (Float(p) / 100.0f)))
 #define ARRAY_SIZE(array)                (sizeof(array) / sizeof(array[0]))
-#define BIT(num)                         (1<<(num))
\ No newline at end of file
+#define BIT(num)                         (1<<(num))
diff --git a/src/config.h b/src/config.h
index 8637814d..ccd81023 100644
--- a/src/config.h
+++ b/src/config.h
@@ -1,5 +1,4 @@
-#ifndef _CONFIG_H_
-#define _CONFIG_H_
+#pragma once
 
 enum Config {
 	NUMCDIMAGES = 50,	// was 12
@@ -52,7 +51,3 @@ enum Config {
 	NUMWEATHERS = 4,
 	NUMHOURS = 24,
 };
-
-#define USE_PS2_RAND TRUE
-
-#endif
diff --git a/src/control/Record.cpp b/src/control/Record.cpp
new file mode 100644
index 00000000..8949da5e
--- /dev/null
+++ b/src/control/Record.cpp
@@ -0,0 +1,6 @@
+#include "common.h"
+#include "Record.h"
+
+UInt16 &CRecordDataForGame::RecordingState = *(UInt16*)0x95CC24;
+
+UInt8 &CRecordDataForChase::Status = *(UInt8*)0x95CDCE;
diff --git a/src/RecordDataForGame.h b/src/control/Record.h
similarity index 55%
rename from src/RecordDataForGame.h
rename to src/control/Record.h
index 5d007ce5..97a9663d 100644
--- a/src/RecordDataForGame.h
+++ b/src/control/Record.h
@@ -4,4 +4,10 @@ class CRecordDataForGame
 {
 public:
 	static UInt16 &RecordingState;
-};
\ No newline at end of file
+};
+
+class CRecordDataForChase
+{
+public:
+	static UInt8 &Status;
+};
diff --git a/src/main.cpp b/src/main.cpp
index 853308a1..955b33ed 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -24,37 +24,22 @@ void operator delete(void *ptr) noexcept { gtadelete(ptr); }
 
 unsigned __int64 myrand_seed = 1;
 
-
-int _cwrand() // original codewarrior rand
-{
-	return ((int (__cdecl *)())0x5A41D0)();
-}
-
 int
 myps2rand(void)
 {
-	return _cwrand();
 	myrand_seed = 0x5851F42D4C957F2D * myrand_seed + 1;
 	return ((myrand_seed >> 32) & 0x7FFFFFFF);
 }
 
 int myrand(void)
 {
-#if USE_PS2_RAND == TRUE
 	return myps2rand();
-#else
-	return _cwrand();
-#endif
 }
 
 void
 mysrand(unsigned int seed)
 {
-#if USE_PS2_RAND == TRUE
 	myrand_seed = seed;
-#else
-	;
-#endif
 }
 
 // platform stuff
diff --git a/src/math/Vector.cpp b/src/math/Vector.cpp
deleted file mode 100644
index d9cc590f..00000000
--- a/src/math/Vector.cpp
+++ /dev/null
@@ -1,78 +0,0 @@
-#include "common.h"
-#include "Vector.h"
-
-void CVector::Normalise()
-{
-	float sq = MagnitudeSqr();
-	if(sq > 0.0f){
-		float invsqrt = 1.0f/sqrt(sq); // CMaths::RecipSqrt
-		x *= invsqrt;
-		y *= invsqrt;
-		z *= invsqrt;
-	}else
-		x = 1.0f;
-}
-
-// operator +
-CVector operator + (CVector const &refLeft, CVector const &refRight)
-{
-	return CVector(refLeft.x + refRight.x, refLeft.y + refRight.y, refLeft.z + refRight.z);
-}
-
-CVector operator + (CVector const &refLeft, float fRight)
-{
-	return CVector(refLeft.x + fRight, refLeft.y + fRight, refLeft.z + fRight);
-}
-
-CVector operator + (float fLeft, CVector const &refRight)
-{
-	return CVector(fLeft + refRight.x, fLeft + refRight.y, fLeft + refRight.z);
-}
-
-// operator -
-CVector operator - (CVector const &refLeft, CVector const &refRight)
-{
-	return CVector(refLeft.x - refRight.x, refLeft.y - refRight.y, refLeft.z - refRight.z);
-}
-
-CVector operator - (CVector const &refLeft, float fRight)
-{
-	return CVector(refLeft.x - fRight, refLeft.y - fRight, refLeft.z - fRight);
-}
-
-CVector operator - (float fLeft, CVector const &refRight)
-{
-	return CVector(fLeft - refRight.x, fLeft - refRight.y, fLeft - refRight.z);
-}
-
-// operator *
-CVector operator * (CVector const &refLeft, CVector const &refRight)
-{
-	return CVector(refLeft.x * refRight.x, refLeft.y * refRight.y, refLeft.z * refRight.z);
-}
-
-CVector operator * (CVector const &refLeft, float fRight)
-{
-	return CVector(refLeft.x * fRight, refLeft.y * fRight, refLeft.z * fRight);
-}
-
-CVector operator * (float fLeft, CVector const &refRight)
-{
-	return CVector(fLeft * refRight.x, fLeft * refRight.y, fLeft * refRight.z);
-}
-
-// operator /
-CVector operator / (CVector const &refLeft, CVector const &refRight)
-{
-	return CVector(refLeft.x / refRight.x, refLeft.y / refRight.y, refLeft.z / refRight.z);
-}
-
-CVector operator / (CVector const &refLeft, float fRight)
-{
-	return CVector(refLeft.x / fRight, refLeft.y / fRight, refLeft.z / fRight);
-}
-
-CVector operator / (float fLeft, CVector const &refRight)
-{
-	return CVector(fLeft / refRight.x, fLeft / refRight.y, fLeft / refRight.z);
-}
\ No newline at end of file
diff --git a/src/math/Vector.h b/src/math/Vector.h
index e45906c8..3dba07ca 100644
--- a/src/math/Vector.h
+++ b/src/math/Vector.h
@@ -6,128 +6,71 @@ public:
 	float x, y, z;
 	CVector(void) {}
 	CVector(float x, float y, float z) : x(x), y(y), z(z) {}
-//	CVector(CVector &refVector) : x(refVector.x), y(refVector.y), z(refVector.z) { }
-//	CVector(const CVector &refVector) : x(refVector.x), y(refVector.y), z(refVector.z) {}
-//	CVector(CVector2D &refVector, float _z = 0.0f) : x(refVector.x), y(refVector.y), z(_z) {}
 #ifdef RWCORE_H
-	CVector(RwV3d const &v) : x(v.x), y(v.y), z(v.z) {}
+	CVector(const RwV3d &v) : x(v.x), y(v.y), z(v.z) {}
 
 	operator RwV3d (void) const {
 		RwV3d vecRw = { this->x, this->y, this->z };
 		return vecRw;
 	}
 	
-	operator RwV3d *(void)
-	{
-		return (RwV3d *)this;
+	operator RwV3d *(void) {
+		return (RwV3d*)this;
 	}
 	
-	operator RwV3d &(void)
-	{
-		return *((RwV3d *)this);
+	operator RwV3d &(void) {
+		return *((RwV3d*)this);
 	}
 #endif
 	float Magnitude(void) const { return sqrt(x*x + y*y + z*z); }
 	float MagnitudeSqr(void) const { return x*x + y*y + z*z; }
 	float Magnitude2D(void) const { return sqrt(x*x + y*y); }
-	void Normalise(void);
+	void Normalise(void) {
+		float sq = MagnitudeSqr();
+		if(sq > 0.0f){
+			float invsqrt = 1.0f/sqrt(sq); // CMaths::RecipSqrt
+			x *= invsqrt;
+			y *= invsqrt;
+			z *= invsqrt;
+		}else
+			x = 1.0f;
+	}
 
+	inline const CVector &operator+=(CVector const &right) {
+		x += right.x;
+		y += right.y;
+		z += right.z;
+		return *this;
+	}
 
-	// operator =
-	inline CVector const& operator = (CVector const &refRight)
-	{
-		x = refRight.x;
-		y = refRight.y;
-		z = refRight.z;
+	inline const CVector &operator-=(CVector const &right) {
+		x -= right.x;
+		y -= right.y;
+		z -= right.z;
 		return *this;
 	}
-	
-	inline CVector const& operator = (float fRight)
-	{
-		x = fRight;
-		y = fRight;
-		z = fRight;
+
+	inline const CVector &operator*=(float right) {
+		x *= right;
+		y *= right;
+		z *= right;
 		return *this;
 	}
-	
-	// operator +=
-	inline CVector const& operator += (CVector const &refRight)
-	{
-		x += refRight.x;
-		y += refRight.y;
-		z += refRight.z;
+
+	inline const CVector &operator/=(float right) {
+		x /= right;
+		y /= right;
+		z /= right;
 		return *this;
 	}
-	
-	inline CVector const& operator += (float fRight)
-	{
-		x += fRight;
-		y += fRight;
-		z += fRight;
-		return *this;
+
+	inline CVector operator-() const {
+		return CVector(-x, -y, -z);
 	}
-	
-	// operator -=
-	inline CVector const& operator -= (CVector const &refRight)
-	{
-		x -= refRight.x;
-		y -= refRight.y;
-		z -= refRight.z;
-		return *this;
-	}
-	
-	inline CVector const& operator -= (float fRight)
-	{
-		x -= fRight;
-		y -= fRight;
-		z -= fRight;
-		return *this;
-	}
-	
-	// operator *=
-	inline CVector const& operator *= (CVector const &refRight)
-	{
-		x *= refRight.x;
-		y *= refRight.y;
-		z *= refRight.z;
-		return *this;
-	}
-	
-	inline CVector const& operator *= (float fRight)
-	{
-		x *= fRight;
-		y *= fRight;
-		z *= fRight;
-		return *this;
-	}
-	
-	// operator /=
-	inline CVector const& operator /= (CVector const &refRight)
-	{
-		x /= refRight.x;
-		y /= refRight.y;
-		z /= refRight.z;
-		return *this;
-	}
-	
-	inline CVector const& operator /= (float fRight)
-	{
-		x /= fRight;
-		y /= fRight;
-		z /= fRight;
-		return *this;
-	}
-	
-	inline CVector operator - () const
-    {
-        return CVector(-x, -y, -z);
-    }
-	
+
 	bool IsZero(void) { return x == 0.0f && y == 0.0f && z == 0.0f; }
 };
 
-//extern CVector operator*(CMatrix const& matrix, CVector const& vector);
-
 inline float
 DotProduct(const CVector &v1, const CVector &v2)
 {
@@ -143,22 +86,22 @@ CrossProduct(const CVector &v1, const CVector &v2)
 		v1.x*v2.y - v1.y*v2.x);
 }
 
-// operator +
-extern CVector operator + (CVector const &refLeft, CVector const &refRight);
-extern CVector operator + (CVector const &refLeft, float fRight);
-extern CVector operator + (float fLeft, CVector const &refRight);
+inline CVector operator+(const CVector &left, const CVector &right)
+{
+	return CVector(left.x + right.x, left.y + right.y, left.z + right.z);
+}
 
-// operator -
-extern CVector operator - (CVector const &refLeft, CVector const &refRight);
-extern CVector operator - (CVector const &refLeft, float fRight);
-extern CVector operator - (float fLeft, CVector const &refRight);
- 
-// operator *
-extern CVector operator * (CVector const &refLeft, CVector const &refRight);
-extern CVector operator * (CVector const &refLeft, float fRight);
-extern CVector operator * (float fLeft, CVector const &refRight);
- 
-// operator /
-extern CVector operator / (CVector const &refLeft, CVector const &refRight);
-extern CVector operator / (CVector const &refLeft, float fRight);
-extern CVector operator / (float fLeft, CVector const &refRight);
\ No newline at end of file
+inline CVector operator-(const CVector &left, const CVector &right)
+{
+	return CVector(left.x - right.x, left.y - right.y, left.z - right.z);
+}
+
+inline CVector operator*(const CVector &left, float right)
+{
+	return CVector(left.x * right, left.y * right, left.z * right);
+}
+
+inline CVector operator/(const CVector &left, float right)
+{
+	return CVector(left.x / right, left.y / right, left.z / right);
+}
diff --git a/src/render/Particle.cpp b/src/render/Particle.cpp
index aade3578..18ea4c6c 100644
--- a/src/render/Particle.cpp
+++ b/src/render/Particle.cpp
@@ -1229,7 +1229,9 @@ void CParticle::Update()
 							moveStep.z = point.point.z;
 							if ( psystem->m_Type == PARTICLE_DEBRIS2 )
 							{
-								particle->m_vecVelocity *= CVector(0.8f, 0.8f, -0.4f);
+								particle->m_vecVelocity.x *= 0.8f;
+								particle->m_vecVelocity.y *= 0.8f;
+								particle->m_vecVelocity.z *= -0.4f;
 								if ( particle->m_vecVelocity.z < 0.005f )
 									particle->m_vecVelocity.z = 0.0f;
 							}
diff --git a/src/ParticleMgr.cpp b/src/render/ParticleMgr.cpp
similarity index 100%
rename from src/ParticleMgr.cpp
rename to src/render/ParticleMgr.cpp
diff --git a/src/ParticleMgr.h b/src/render/ParticleMgr.h
similarity index 100%
rename from src/ParticleMgr.h
rename to src/render/ParticleMgr.h
diff --git a/src/render/Sprite.cpp b/src/render/Sprite.cpp
index 509564ac..900b4dba 100644
--- a/src/render/Sprite.cpp
+++ b/src/render/Sprite.cpp
@@ -4,12 +4,6 @@
 #include "Camera.h"
 #include "Sprite.h"
 
-// Get rid of bullshit windows definitions, we're not running on an 8086
-#ifdef far
-#undef far
-#undef near
-#endif
-
 float &CSprite::m_f2DNearScreenZ = *(float*)0x8F1ABC;
 float &CSprite::m_f2DFarScreenZ = *(float*)0x8F2C94;
 float &CSprite::m_fRecipNearClipPlane = *(float*)0x8F5FFC;
diff --git a/src/render/Sprite2d.cpp b/src/render/Sprite2d.cpp
index 2311a75e..ff6cd0db 100644
--- a/src/render/Sprite2d.cpp
+++ b/src/render/Sprite2d.cpp
@@ -4,12 +4,6 @@
 #include "Camera.h"
 #include "Sprite2d.h"
 
-// Get rid of bullshit windows definitions, we're not running on an 8086
-#ifdef far
-#undef far
-#undef near
-#endif
-
 RwIm2DVertex *CSprite2d::maVertices = (RwIm2DVertex*)0x6E9168;
 float &CSprite2d::RecipNearClip = *(float*)0x880DB4;
 int32 &CSprite2d::mCurrentBank = *(int32*)0x8F1AF4;
@@ -18,7 +12,6 @@ int32 *CSprite2d::mCurrentSprite = (int32*)0x6F4500;
 int32 *CSprite2d::mBankStart = (int32*)0x774BE8;
 RwIm2DVertex *CSprite2d::maBankVertices = (RwIm2DVertex*)0x8429F8;
 
-
 void
 CSprite2d::SetRecipNearClip(void)
 {