12 files changed, 213 insertions, 214 deletions

diff --git a/src/audio/AudioCollision.cpp b/src/audio/AudioCollision.cpp
index ecd0299c..55d64714 100644
--- a/src/audio/AudioCollision.cpp
+++ b/src/audio/AudioCollision.cpp
@@ -70,36 +70,36 @@ cAudioManager::GetCollisionOneShotRatio(int32 a, float b) const
 	case SURFACE_DEFAULT:
 	case SURFACE_TARMAC:
 	case SURFACE_PAVEMENT:
-	case SURFACE_STONE:
-	case SURFACE_BOLLARD: result = GetCollisionRatio(b, 10.f, 60.f, 50.f); break;
+	case SURFACE_STEEP_CLIFF:
+	case SURFACE_TRANSPARENT_STONE: result = GetCollisionRatio(b, 10.f, 60.f, 50.f); break;
 	case SURFACE_GRASS:
-	case SURFACE_LOOSE30: result = GetCollisionRatio(b, 0.f, 2.f, 2.f); break;
-	case SURFACE_DIRT: result = GetCollisionRatio(b, 0.f, 2.f, 2.f); break;
-	case SURFACE_DIRTTRACK: result = GetCollisionRatio(b, 0.f, 2.f, 2.f); break;
-	case SURFACE_METAL6: result = GetCollisionRatio(b, 6.f, 50.f, 44.f); break;
+	case SURFACE_CARDBOARDBOX: result = GetCollisionRatio(b, 0.f, 2.f, 2.f); break;
+	case SURFACE_GRAVEL: result = GetCollisionRatio(b, 0.f, 2.f, 2.f); break;
+	case SURFACE_MUD_DRY: result = GetCollisionRatio(b, 0.f, 2.f, 2.f); break;
+	case SURFACE_CAR: result = GetCollisionRatio(b, 6.f, 50.f, 44.f); break;
 	case SURFACE_GLASS: result = GetCollisionRatio(b, 0.1f, 10.f, 9.9f); break;
-	case SURFACE_SCAFFOLD:
-	case SURFACE_STEEL: result = GetCollisionRatio(b, 30.f, 130.f, 100.f); break;
-	case SURFACE_METAL_DOOR: result = GetCollisionRatio(b, 20.f, 100.f, 80.f); break;
-	case SURFACE_BILLBOARD: result = GetCollisionRatio(b, 0.f, 4.f, 4.f); break;
-	case SURFACE_METAL_POLE:
-	case SURFACE_GATE: result = GetCollisionRatio(b, 1.f, 10.f, 9.f); break;
-	case SURFACE_STREET_LIGHT: result = GetCollisionRatio(b, 1.f, 10.f, 9.f); break;
-	case SURFACE_METAL14: result = GetCollisionRatio(b, 1.f, 15.f, 14.f); break;
-	case SURFACE_METAL15: result = GetCollisionRatio(b, 8.f, 50.f, 42.f); break;
-	case SURFACE_METAL_FENCE: result = GetCollisionRatio(b, 0.1f, 10.f, 9.9f); break;
-	case SURFACE_FLESH: result = GetCollisionRatio(b, 0.f, 20.f, 20.f); break;
+	case SURFACE_TRANSPARENT_CLOTH:
+	case SURFACE_THICK_METAL_PLATE: result = GetCollisionRatio(b, 30.f, 130.f, 100.f); break;
+	case SURFACE_GARAGE_DOOR: result = GetCollisionRatio(b, 20.f, 100.f, 80.f); break;
+	case SURFACE_CAR_PANEL: result = GetCollisionRatio(b, 0.f, 4.f, 4.f); break;
+	case SURFACE_SCAFFOLD_POLE:
+	case SURFACE_METAL_GATE: result = GetCollisionRatio(b, 1.f, 10.f, 9.f); break;
+	case SURFACE_LAMP_POST: result = GetCollisionRatio(b, 1.f, 10.f, 9.f); break;
+	case SURFACE_FIRE_HYDRANT: result = GetCollisionRatio(b, 1.f, 15.f, 14.f); break;
+	case SURFACE_GIRDER: result = GetCollisionRatio(b, 8.f, 50.f, 42.f); break;
+	case SURFACE_METAL_CHAIN_FENCE: result = GetCollisionRatio(b, 0.1f, 10.f, 9.9f); break;
+	case SURFACE_PED: result = GetCollisionRatio(b, 0.f, 20.f, 20.f); break;
 	case SURFACE_SAND: result = GetCollisionRatio(b, 0.f, 10.f, 10.f); break;
-	case SURFACE_PUDDLE: result = GetCollisionRatio(b, 0.f, 10.f, 10.f); break;
-	case SURFACE_WOOD: result = GetCollisionRatio(b, 1.f, 4.f, 3.f); break;
-	case SURFACE_WOOD_BOX: result = GetCollisionRatio(b, 0.1f, 5.f, 4.9f); break;
-	case SURFACE_WOOD_PLANK: result = GetCollisionRatio(b, 0.1f, 40.f, 39.9f); break;
-	case SURFACE_TIRE:
-	case SURFACE_RUBBER29: result = GetCollisionRatio(b, 0.f, 10.f, 10.f); break;
-	case SURFACE_HARD24: result = GetCollisionRatio(b, 0.1f, 4.f, 3.9f); break;
+	case SURFACE_WATER: result = GetCollisionRatio(b, 0.f, 10.f, 10.f); break;
+	case SURFACE_WOOD_CRATES: result = GetCollisionRatio(b, 1.f, 4.f, 3.f); break;
+	case SURFACE_WOOD_BENCH: result = GetCollisionRatio(b, 0.1f, 5.f, 4.9f); break;
+	case SURFACE_WOOD_SOLID: result = GetCollisionRatio(b, 0.1f, 40.f, 39.9f); break;
+	case SURFACE_RUBBER:
+	case SURFACE_WHEELBASE: result = GetCollisionRatio(b, 0.f, 10.f, 10.f); break;
+	case SURFACE_PLASTIC: result = GetCollisionRatio(b, 0.1f, 4.f, 3.9f); break;
 	case SURFACE_HEDGE: result = GetCollisionRatio(b, 0.f, 0.5f, 0.5f); break;
-	case SURFACE_METAL27: result = GetCollisionRatio(b, 4.f, 40.f, 36.f); break;
-	case SURFACE_METAL28: result = GetCollisionRatio(b, 0.f, 5.f, 5.f); break;
+	case SURFACE_CONTAINER: result = GetCollisionRatio(b, 4.f, 40.f, 36.f); break;
+	case SURFACE_NEWS_VENDOR: result = GetCollisionRatio(b, 0.f, 5.f, 5.f); break;
 	default: result = 0.f; break;
 	}
 
@@ -130,18 +130,18 @@ cAudioManager::SetLoopingCollisionRequestedSfxFreqAndGetVol(const cAudioCollisio
 		m_sQueueSample.m_nSampleIndex = SFX_RAIN;
 		m_sQueueSample.m_nFrequency = 13000.f * ratio + 35000;
 		vol = 50.f * ratio;
-	} else if(surface1 == SURFACE_PUDDLE || surface2 == SURFACE_PUDDLE) {
+	} else if(surface1 == SURFACE_WATER || surface2 == SURFACE_WATER) {
 		ratio = GetCollisionRatio(audioCollision.m_fIntensity2, 0.0001f, 0.09f, 0.0899f);
 		m_sQueueSample.m_nSampleIndex = SFX_BOAT_WATER_LOOP;
 		m_sQueueSample.m_nFrequency = 6050.f * ratio + 16000;
 		vol = 30.f * ratio;
-	} else if(surface1 == SURFACE_DIRT || surface2 == SURFACE_DIRT || surface1 == SURFACE_DIRTTRACK ||
-		surface2 == SURFACE_DIRTTRACK || surface1 == SURFACE_SAND || surface2 == SURFACE_SAND) {
+	} else if(surface1 == SURFACE_GRAVEL || surface2 == SURFACE_GRAVEL || surface1 == SURFACE_MUD_DRY ||
+		surface2 == SURFACE_MUD_DRY || surface1 == SURFACE_SAND || surface2 == SURFACE_SAND) {
 		ratio = GetCollisionRatio(audioCollision.m_fIntensity2, 0.0001f, 0.09f, 0.0899f);
 		m_sQueueSample.m_nSampleIndex = SFX_GRAVEL_SKID;
 		m_sQueueSample.m_nFrequency = 6000.f * ratio + 10000;
 		vol = 50.f * ratio;
-	} else if(surface1 == SURFACE_FLESH || surface2 == SURFACE_FLESH) {
+	} else if(surface1 == SURFACE_PED || surface2 == SURFACE_PED) {
 		return 0;
 	} else {
 		ratio = GetCollisionRatio(audioCollision.m_fIntensity2, 0.0001f, 0.09f, 0.0899f);
@@ -240,9 +240,9 @@ cAudioManager::SetUpOneShotCollisionSound(const cAudioCollision &col)
 			s2 = col.m_bSurface2;
 		}
 		ratio = GetCollisionOneShotRatio(s1, col.m_fIntensity1);
-		if(s1 == SURFACE_METAL6 && s2 == SURFACE_FLESH) ratio /= 4.0f;
-		if(s1 == SURFACE_METAL6 && ratio < 0.6f) {
-			s1 = SURFACE_BILLBOARD;
+		if(s1 == SURFACE_CAR && s2 == SURFACE_PED) ratio /= 4.0f;
+		if(s1 == SURFACE_CAR && ratio < 0.6f) {
+			s1 = SURFACE_CAR_PANEL;
 			ratio = Min(1.f, 2.f * ratio);
 		}
 		emittingVol = 40.f * ratio;
@@ -290,13 +290,13 @@ cAudioManager::SetUpOneShotCollisionSound(const cAudioCollision &col)
 				}
 				switch(s1) {
 				case SURFACE_GLASS: m_sQueueSample.m_nFrequency = 13500; break;
-				case SURFACE_METAL15: m_sQueueSample.m_nFrequency = 8819; break;
-				case SURFACE_PUDDLE:
+				case SURFACE_GIRDER: m_sQueueSample.m_nFrequency = 8819; break;
+				case SURFACE_WATER:
 					m_sQueueSample.m_nFrequency =
 					    2 * SampleManager.GetSampleBaseFrequency(m_sQueueSample.m_nSampleIndex);
 					break;
-				case SURFACE_TIRE: m_sQueueSample.m_nFrequency = 6000; break;
-				case SURFACE_HARD24: m_sQueueSample.m_nFrequency = 8000; break;
+				case SURFACE_RUBBER: m_sQueueSample.m_nFrequency = 6000; break;
+				case SURFACE_PLASTIC: m_sQueueSample.m_nFrequency = 8000; break;
 				default:
 					m_sQueueSample.m_nFrequency =
 					    SampleManager.GetSampleBaseFrequency(m_sQueueSample.m_nSampleIndex);
diff --git a/src/audio/AudioLogic.cpp b/src/audio/AudioLogic.cpp
index f516e43c..56e602fd 100644
--- a/src/audio/AudioLogic.cpp
+++ b/src/audio/AudioLogic.cpp
@@ -769,7 +769,7 @@ cAudioManager::ProcessVehicleRoadNoise(cVehicleParams *params)
 					m_sQueueSample.m_nBankIndex = SAMPLEBANK_MAIN;
 					m_sQueueSample.m_bIs2D = false;
 					m_sQueueSample.m_nReleasingVolumeModificator = 3;
-					if (params->m_pVehicle->m_nSurfaceTouched == SURFACE_PUDDLE) {
+					if (params->m_pVehicle->m_nSurfaceTouched == SURFACE_WATER) {
 						m_sQueueSample.m_nSampleIndex = SFX_BOAT_WATER_LOOP;
 						freq = 6050 * emittingVol / 30 + 16000;
 					} else {
@@ -1394,10 +1394,10 @@ cAudioManager::ProcessVehicleSkidding(cVehicleParams *params)
 				m_sQueueSample.m_nFrequency = 13000.f * skidVal + 35000.f;
 				m_sQueueSample.m_nVolume /= 4;
 				break;
-			case SURFACE_DIRT:
-			case SURFACE_DIRTTRACK:
+			case SURFACE_GRAVEL:
+			case SURFACE_MUD_DRY:
 			case SURFACE_SAND:
-			case SURFACE_PUDDLE:
+			case SURFACE_WATER:
 				m_sQueueSample.m_nSampleIndex = SFX_GRAVEL_SKID;
 				m_sQueueSample.m_nFrequency = 6000.f * skidVal + 10000.f;
 				break;
@@ -2984,32 +2984,32 @@ cAudioManager::ProcessPedOneShots(cPedParams *params)
 				case SURFACE_GRASS:
 					sampleIndex = m_anRandomTable[1] % 5 + SFX_FOOTSTEP_GRASS_1;
 					break;
-				case SURFACE_DIRT:
-				case SURFACE_DIRTTRACK:
+				case SURFACE_GRAVEL:
+				case SURFACE_MUD_DRY:
 					sampleIndex = m_anRandomTable[4] % 5 + SFX_FOOTSTEP_GRAVEL_1;
 					break;
-				case SURFACE_METAL6:
-				case SURFACE_METAL_DOOR:
-				case SURFACE_BILLBOARD:
-				case SURFACE_STEEL:
-				case SURFACE_METAL_POLE:
-				case SURFACE_STREET_LIGHT:
-				case SURFACE_METAL14:
-				case SURFACE_METAL15:
-				case SURFACE_METAL_FENCE:
-				case SURFACE_METAL27:
-				case SURFACE_METAL28:
+				case SURFACE_CAR:
+				case SURFACE_GARAGE_DOOR:
+				case SURFACE_CAR_PANEL:
+				case SURFACE_THICK_METAL_PLATE:
+				case SURFACE_SCAFFOLD_POLE:
+				case SURFACE_LAMP_POST:
+				case SURFACE_FIRE_HYDRANT:
+				case SURFACE_GIRDER:
+				case SURFACE_METAL_CHAIN_FENCE:
+				case SURFACE_CONTAINER:
+				case SURFACE_NEWS_VENDOR:
 					sampleIndex = m_anRandomTable[0] % 5 + SFX_FOOTSTEP_METAL_1;
 					break;
 				case SURFACE_SAND:
 					sampleIndex = (m_anRandomTable[4] & 3) + SFX_FOOTSTEP_SAND_1;
 					break;
-				case SURFACE_PUDDLE:
+				case SURFACE_WATER:
 					sampleIndex = (m_anRandomTable[3] & 3) + SFX_FOOTSTEP_WATER_1;
 					break;
-				case SURFACE_WOOD:
-				case SURFACE_WOOD_BOX:
-				case SURFACE_WOOD_PLANK:
+				case SURFACE_WOOD_CRATES:
+				case SURFACE_WOOD_BENCH:
+				case SURFACE_WOOD_SOLID:
 					sampleIndex = m_anRandomTable[2] % 5 + SFX_FOOTSTEP_WOOD_1;
 					break;
 				case SURFACE_HEDGE:
@@ -3056,7 +3056,7 @@ cAudioManager::ProcessPedOneShots(cPedParams *params)
 			if (!ped->bIsLooking) {
 				maxDist = SQR(30);
 				emittingVol = m_anRandomTable[3] % 20 + 80;
-				if (ped->m_nSurfaceTouched == SURFACE_PUDDLE) {
+				if (ped->m_nSurfaceTouched == SURFACE_WATER) {
 					m_sQueueSample.m_nSampleIndex = (m_anRandomTable[3] & 3) + SFX_FOOTSTEP_WATER_1;
 				} else if (sound == SOUND_FALL_LAND) {
 					m_sQueueSample.m_nSampleIndex = SFX_BODY_LAND;
@@ -6653,12 +6653,12 @@ cAudioManager::ProcessOneShotScriptObject(uint8 sound)
 		if (playerPed) {
 			switch (playerPed->m_nSurfaceTouched) {
 			case SURFACE_GRASS:
-			case SURFACE_DIRT:
-			case SURFACE_DIRTTRACK:
-			case SURFACE_SCAFFOLD:
-			case SURFACE_FLESH:
+			case SURFACE_GRAVEL:
+			case SURFACE_MUD_DRY:
+			case SURFACE_TRANSPARENT_CLOTH:
+			case SURFACE_PED:
 			case SURFACE_SAND:
-			case SURFACE_TIRE:
+			case SURFACE_RUBBER:
 			case SURFACE_HEDGE:
 				m_sQueueSample.m_nSampleIndex = SFX_BULLET_SHELL_HIT_GROUND_2;
 				m_sQueueSample.m_nFrequency = RandomDisplacement(500) + 11000;
@@ -6684,7 +6684,7 @@ cAudioManager::ProcessOneShotScriptObject(uint8 sound)
 					}
 				}
 				return;
-			case SURFACE_PUDDLE:
+			case SURFACE_WATER:
 				return;
 			default:
 				break;
diff --git a/src/core/Cam.cpp b/src/core/Cam.cpp
index 6c79604c..247e77ce 100644
--- a/src/core/Cam.cpp
+++ b/src/core/Cam.cpp
@@ -504,11 +504,11 @@ CCam::ProcessSpecialHeightRoutines(void)
 
 			switch(((CPhysical*)CamTargetEntity)->m_nSurfaceTouched)
 			case SURFACE_GRASS:
-			case SURFACE_DIRT:
-			case SURFACE_DIRTTRACK:
-			case SURFACE_STEEL:
-			case SURFACE_TIRE:
-			case SURFACE_STONE:
+			case SURFACE_GRAVEL:
+			case SURFACE_MUD_DRY:
+			case SURFACE_THICK_METAL_PLATE:
+			case SURFACE_RUBBER:
+			case SURFACE_STEEP_CLIFF:
 				OnRoad = true;
 
 			if(CCullZones::PlayerNoRain())
@@ -565,9 +565,9 @@ CCam::ProcessSpecialHeightRoutines(void)
 		if(PreviouslyFailedRoadHeightCheck && m_fCloseInPedHeightOffset < 0.0001f){
 			if(colPoint.surfaceB != SURFACE_TARMAC &&
 			   colPoint.surfaceB != SURFACE_GRASS &&
-			   colPoint.surfaceB != SURFACE_DIRT &&
-			   colPoint.surfaceB != SURFACE_DIRTTRACK &&
-			   colPoint.surfaceB != SURFACE_STONE){
+			   colPoint.surfaceB != SURFACE_GRAVEL &&
+			   colPoint.surfaceB != SURFACE_MUD_DRY &&
+			   colPoint.surfaceB != SURFACE_STEEP_CLIFF){
 				if(m_fRoadOffSet > 1.4f)
 					m_fRoadOffSet = 1.4f;
 			}else{
@@ -1408,11 +1408,11 @@ CCam::Process_FollowPed(const CVector &CameraTarget, float TargetOrientation, fl
 			bool foo = false;
 			switch(((CPhysical*)CamTargetEntity)->m_nSurfaceTouched)
 			case SURFACE_GRASS:
-			case SURFACE_DIRT:
+			case SURFACE_GRAVEL:
 			case SURFACE_PAVEMENT:
-			case SURFACE_STEEL:
-			case SURFACE_TIRE:
-			case SURFACE_STONE:
+			case SURFACE_THICK_METAL_PLATE:
+			case SURFACE_RUBBER:
+			case SURFACE_STEEP_CLIFF:
 				foo = true;
 			if(foo)
 				WellBufferMe(TargetHeight, &m_fCamBufferedHeight, &m_fCamBufferedHeightSpeed, 0.4f, 0.05f, false);
@@ -1764,8 +1764,8 @@ CCam::WorkOutCamHeightWeeCar(CVector &TargetCoors, float TargetOrientation)
 	else
 		WellBufferMe(TargetZOffSet, &RoadHeightFix, &RoadHeightFixSpeed, 0.27f, 0.1f, false);
 
-	if((colpoint.surfaceB == SURFACE_DEFAULT || colpoint.surfaceB >= SURFACE_METAL6) &&
-	   colpoint.surfaceB != SURFACE_STEEL && colpoint.surfaceB != SURFACE_STONE &&
+	if((colpoint.surfaceB == SURFACE_DEFAULT || colpoint.surfaceB >= SURFACE_CAR) &&
+	   colpoint.surfaceB != SURFACE_THICK_METAL_PLATE && colpoint.surfaceB != SURFACE_STEEP_CLIFF &&
 	   RoadHeightFix > 1.4f)
 		RoadHeightFix = 1.4f;
 
diff --git a/src/core/Collision.cpp b/src/core/Collision.cpp
index 01cc323a..23eaa8dd 100644
--- a/src/core/Collision.cpp
+++ b/src/core/Collision.cpp
@@ -548,18 +548,18 @@ CCollision::TestLineOfSight(const CColLine &line, const CMatrix &matrix, CColMod
 		return false;
 
 	for(i = 0; i < model.numSpheres; i++)
-		if(!ignoreSeeThrough || model.spheres[i].surface != SURFACE_GLASS && model.spheres[i].surface != SURFACE_SCAFFOLD)
+		if(!ignoreSeeThrough || model.spheres[i].surface != SURFACE_GLASS && model.spheres[i].surface != SURFACE_TRANSPARENT_CLOTH)
 			if(TestLineSphere(newline, model.spheres[i]))
 				return true;
 
 	for(i = 0; i < model.numBoxes; i++)
-		if(!ignoreSeeThrough || model.boxes[i].surface != SURFACE_GLASS && model.boxes[i].surface != SURFACE_SCAFFOLD)
+		if(!ignoreSeeThrough || model.boxes[i].surface != SURFACE_GLASS && model.boxes[i].surface != SURFACE_TRANSPARENT_CLOTH)
 			if(TestLineBox(newline, model.boxes[i]))
 				return true;
 
 	CalculateTrianglePlanes(&model);
 	for(i = 0; i < model.numTriangles; i++)
-		if(!ignoreSeeThrough || model.triangles[i].surface != SURFACE_GLASS && model.triangles[i].surface != SURFACE_SCAFFOLD)
+		if(!ignoreSeeThrough || model.triangles[i].surface != SURFACE_GLASS && model.triangles[i].surface != SURFACE_TRANSPARENT_CLOTH)
 			if(TestLineTriangle(newline, model.vertices, model.triangles[i], model.trianglePlanes[i]))
 				return true;
 
@@ -1179,16 +1179,16 @@ CCollision::ProcessLineOfSight(const CColLine &line,
 
 	float coldist = mindist;
 	for(i = 0; i < model.numSpheres; i++)
-		if(!ignoreSeeThrough || model.spheres[i].surface != SURFACE_GLASS && model.spheres[i].surface != SURFACE_SCAFFOLD)
+		if(!ignoreSeeThrough || model.spheres[i].surface != SURFACE_GLASS && model.spheres[i].surface != SURFACE_TRANSPARENT_CLOTH)
 			ProcessLineSphere(newline, model.spheres[i], point, coldist);
 
 	for(i = 0; i < model.numBoxes; i++)
-		if(!ignoreSeeThrough || model.boxes[i].surface != SURFACE_GLASS && model.boxes[i].surface != SURFACE_SCAFFOLD)
+		if(!ignoreSeeThrough || model.boxes[i].surface != SURFACE_GLASS && model.boxes[i].surface != SURFACE_TRANSPARENT_CLOTH)
 			ProcessLineBox(newline, model.boxes[i], point, coldist);
 
 	CalculateTrianglePlanes(&model);
 	for(i = 0; i < model.numTriangles; i++)
-		if(!ignoreSeeThrough || model.triangles[i].surface != SURFACE_GLASS && model.triangles[i].surface != SURFACE_SCAFFOLD)
+		if(!ignoreSeeThrough || model.triangles[i].surface != SURFACE_GLASS && model.triangles[i].surface != SURFACE_TRANSPARENT_CLOTH)
 			ProcessLineTriangle(newline, model.vertices, model.triangles[i], model.trianglePlanes[i], point, coldist);
 
 	if(coldist < mindist){
@@ -1219,17 +1219,17 @@ CCollision::ProcessVerticalLine(const CColLine &line,
 
 	float coldist = mindist;
 	for(i = 0; i < model.numSpheres; i++)
-		if(!ignoreSeeThrough || model.spheres[i].surface != SURFACE_GLASS && model.spheres[i].surface != SURFACE_SCAFFOLD)
+		if(!ignoreSeeThrough || model.spheres[i].surface != SURFACE_GLASS && model.spheres[i].surface != SURFACE_TRANSPARENT_CLOTH)
 			ProcessLineSphere(newline, model.spheres[i], point, coldist);
 
 	for(i = 0; i < model.numBoxes; i++)
-		if(!ignoreSeeThrough || model.boxes[i].surface != SURFACE_GLASS && model.boxes[i].surface != SURFACE_SCAFFOLD)
+		if(!ignoreSeeThrough || model.boxes[i].surface != SURFACE_GLASS && model.boxes[i].surface != SURFACE_TRANSPARENT_CLOTH)
 			ProcessLineBox(newline, model.boxes[i], point, coldist);
 
 	CalculateTrianglePlanes(&model);
 	TempStoredPoly.valid = false;
 	for(i = 0; i < model.numTriangles; i++)
-		if(!ignoreSeeThrough || model.triangles[i].surface != SURFACE_GLASS && model.triangles[i].surface != SURFACE_SCAFFOLD)
+		if(!ignoreSeeThrough || model.triangles[i].surface != SURFACE_GLASS && model.triangles[i].surface != SURFACE_TRANSPARENT_CLOTH)
 			ProcessVerticalLineTriangle(newline, model.vertices, model.triangles[i], model.trianglePlanes[i], point, coldist, &TempStoredPoly);
 
 	if(coldist < mindist){
@@ -1758,15 +1758,15 @@ CCollision::DrawColModel_Coloured(const CMatrix &mat, const CColModel &colModel,
 			b *= f;
 		}
 
-		if(s == SURFACE_SCAFFOLD || s == SURFACE_METAL_FENCE ||
-		   s == SURFACE_BOLLARD || s == SURFACE_METAL_POLE)
+		if(s == SURFACE_TRANSPARENT_CLOTH || s == SURFACE_METAL_CHAIN_FENCE ||
+		   s == SURFACE_TRANSPARENT_STONE || s == SURFACE_SCAFFOLD_POLE)
 			if(CTimer::GetFrameCounter() & 1){
 				r = 0;
 				g = 0;
 				b = 0;
 			}
 
-		if(s > SURFACE_GATE){
+		if(s > SURFACE_METAL_GATE){
 			r = CGeneral::GetRandomNumber();
 			g = CGeneral::GetRandomNumber();
 			b = CGeneral::GetRandomNumber();
@@ -1839,8 +1839,8 @@ CCollision::DrawColModel_Coloured(const CMatrix &mat, const CColModel &colModel,
 			b *= f;
 		}
 
-		if(s == SURFACE_SCAFFOLD || s == SURFACE_METAL_FENCE ||
-		   s == SURFACE_BOLLARD || s == SURFACE_METAL_POLE)
+		if(s == SURFACE_TRANSPARENT_CLOTH || s == SURFACE_METAL_CHAIN_FENCE ||
+		   s == SURFACE_TRANSPARENT_STONE || s == SURFACE_SCAFFOLD_POLE)
 			if(CTimer::GetFrameCounter() & 1){
 				r = 0;
 				g = 0;
diff --git a/src/core/SurfaceTable.cpp b/src/core/SurfaceTable.cpp
index e4f9c0cd..b1bcceb6 100644
--- a/src/core/SurfaceTable.cpp
+++ b/src/core/SurfaceTable.cpp
@@ -59,36 +59,36 @@ CSurfaceTable::GetAdhesionGroup(uint8 surfaceType)
 	case SURFACE_DEFAULT:		return ADHESIVE_ROAD;
 	case SURFACE_TARMAC:		return ADHESIVE_ROAD;
 	case SURFACE_GRASS:		return ADHESIVE_LOOSE;
-	case SURFACE_DIRT:		return ADHESIVE_LOOSE;
-	case SURFACE_DIRTTRACK:		return ADHESIVE_HARD;
+	case SURFACE_GRAVEL:		return ADHESIVE_LOOSE;
+	case SURFACE_MUD_DRY:		return ADHESIVE_HARD;
 	case SURFACE_PAVEMENT:		return ADHESIVE_ROAD;
-	case SURFACE_METAL6:		return ADHESIVE_HARD;
+	case SURFACE_CAR:		return ADHESIVE_HARD;
 	case SURFACE_GLASS:		return ADHESIVE_HARD;
-	case SURFACE_SCAFFOLD:		return ADHESIVE_HARD;
-	case SURFACE_METAL_DOOR:	return ADHESIVE_HARD;
-	case SURFACE_BILLBOARD:		return ADHESIVE_HARD;
-	case SURFACE_STEEL:		return ADHESIVE_HARD;
-	case SURFACE_METAL_POLE:	return ADHESIVE_HARD;
-	case SURFACE_STREET_LIGHT:	return ADHESIVE_HARD;
-	case SURFACE_METAL14:		return ADHESIVE_HARD;
-	case SURFACE_METAL15:		return ADHESIVE_HARD;
-	case SURFACE_METAL_FENCE:	return ADHESIVE_HARD;
-	case SURFACE_FLESH:		return ADHESIVE_RUBBER;
+	case SURFACE_TRANSPARENT_CLOTH:	return ADHESIVE_HARD;
+	case SURFACE_GARAGE_DOOR:	return ADHESIVE_HARD;
+	case SURFACE_CAR_PANEL:		return ADHESIVE_HARD;
+	case SURFACE_THICK_METAL_PLATE:	return ADHESIVE_HARD;
+	case SURFACE_SCAFFOLD_POLE:	return ADHESIVE_HARD;
+	case SURFACE_LAMP_POST:		return ADHESIVE_HARD;
+	case SURFACE_FIRE_HYDRANT:	return ADHESIVE_HARD;
+	case SURFACE_GIRDER:		return ADHESIVE_HARD;
+	case SURFACE_METAL_CHAIN_FENCE:	return ADHESIVE_HARD;
+	case SURFACE_PED:		return ADHESIVE_RUBBER;
 	case SURFACE_SAND:		return ADHESIVE_LOOSE;
-	case SURFACE_PUDDLE:		return ADHESIVE_WET;
-	case SURFACE_WOOD:		return ADHESIVE_ROAD;
-	case SURFACE_WOOD_BOX:		return ADHESIVE_ROAD;
-	case SURFACE_WOOD_PLANK:	return ADHESIVE_ROAD;
-	case SURFACE_TIRE:		return ADHESIVE_RUBBER;
-	case SURFACE_HARD24:		return ADHESIVE_HARD;
+	case SURFACE_WATER:		return ADHESIVE_WET;
+	case SURFACE_WOOD_CRATES:	return ADHESIVE_ROAD;
+	case SURFACE_WOOD_BENCH:	return ADHESIVE_ROAD;
+	case SURFACE_WOOD_SOLID:	return ADHESIVE_ROAD;
+	case SURFACE_RUBBER:		return ADHESIVE_RUBBER;
+	case SURFACE_PLASTIC:		return ADHESIVE_HARD;
 	case SURFACE_HEDGE:		return ADHESIVE_LOOSE;
-	case SURFACE_STONE:		return ADHESIVE_LOOSE;
-	case SURFACE_METAL27:		return ADHESIVE_HARD;
-	case SURFACE_METAL28:		return ADHESIVE_HARD;
-	case SURFACE_RUBBER29:		return ADHESIVE_RUBBER;
-	case SURFACE_LOOSE30:		return ADHESIVE_LOOSE;
-	case SURFACE_BOLLARD:		return ADHESIVE_HARD;
-	case SURFACE_GATE:		return ADHESIVE_HARD;
+	case SURFACE_STEEP_CLIFF:	return ADHESIVE_LOOSE;
+	case SURFACE_CONTAINER:		return ADHESIVE_HARD;
+	case SURFACE_NEWS_VENDOR:	return ADHESIVE_HARD;
+	case SURFACE_WHEELBASE:		return ADHESIVE_RUBBER;
+	case SURFACE_CARDBOARDBOX:	return ADHESIVE_LOOSE;
+	case SURFACE_TRANSPARENT_STONE:	return ADHESIVE_HARD;
+	case SURFACE_METAL_GATE:	return ADHESIVE_HARD;
 	default:			return ADHESIVE_ROAD;
 	}
 }
@@ -99,36 +99,36 @@ CSurfaceTable::GetWetMultiplier(uint8 surfaceType)
 	switch(surfaceType){
 	case SURFACE_DEFAULT:
 	case SURFACE_TARMAC:
-	case SURFACE_DIRTTRACK:
+	case SURFACE_MUD_DRY:
 	case SURFACE_PAVEMENT:
-	case SURFACE_SCAFFOLD:
-	case SURFACE_WOOD:
-	case SURFACE_WOOD_BOX:
-	case SURFACE_WOOD_PLANK:
+	case SURFACE_TRANSPARENT_CLOTH:
+	case SURFACE_WOOD_CRATES:
+	case SURFACE_WOOD_BENCH:
+	case SURFACE_WOOD_SOLID:
 	case SURFACE_HEDGE:
-	case SURFACE_LOOSE30:
-	case SURFACE_BOLLARD:
+	case SURFACE_CARDBOARDBOX:
+	case SURFACE_TRANSPARENT_STONE:
 		return 1.0f - CWeather::WetRoads*0.25f;
 
 	case SURFACE_GRASS:
-	case SURFACE_METAL6:
+	case SURFACE_CAR:
 	case SURFACE_GLASS:
-	case SURFACE_METAL_DOOR:
-	case SURFACE_BILLBOARD:
-	case SURFACE_STEEL:
-	case SURFACE_METAL_POLE:
-	case SURFACE_STREET_LIGHT:
-	case SURFACE_METAL14:
-	case SURFACE_METAL15:
-	case SURFACE_METAL_FENCE:
-	case SURFACE_FLESH:
-	case SURFACE_TIRE:
-	case SURFACE_HARD24:
-	case SURFACE_STONE:
-	case SURFACE_METAL27:
-	case SURFACE_METAL28:
-	case SURFACE_RUBBER29:
-	case SURFACE_GATE:
+	case SURFACE_GARAGE_DOOR:
+	case SURFACE_CAR_PANEL:
+	case SURFACE_THICK_METAL_PLATE:
+	case SURFACE_SCAFFOLD_POLE:
+	case SURFACE_LAMP_POST:
+	case SURFACE_FIRE_HYDRANT:
+	case SURFACE_GIRDER:
+	case SURFACE_METAL_CHAIN_FENCE:
+	case SURFACE_PED:
+	case SURFACE_RUBBER:
+	case SURFACE_PLASTIC:
+	case SURFACE_STEEP_CLIFF:
+	case SURFACE_CONTAINER:
+	case SURFACE_NEWS_VENDOR:
+	case SURFACE_WHEELBASE:
+	case SURFACE_METAL_GATE:
 		return 1.0f - CWeather::WetRoads*0.4f;
 
 	default:
diff --git a/src/core/SurfaceTable.h b/src/core/SurfaceTable.h
index 768521bf..25b5e57d 100644
--- a/src/core/SurfaceTable.h
+++ b/src/core/SurfaceTable.h
@@ -1,45 +1,44 @@
 #pragma once
 
-// TODO: check this
 enum eSurfaceType
 {
 	SURFACE_DEFAULT,
 	SURFACE_TARMAC,
 	SURFACE_GRASS,
-	SURFACE_DIRT,
-	SURFACE_DIRTTRACK,
+	SURFACE_GRAVEL,
+	SURFACE_MUD_DRY,
 	SURFACE_PAVEMENT,
-	SURFACE_METAL6,
+	SURFACE_CAR,
 	SURFACE_GLASS,
-	SURFACE_SCAFFOLD,
-	SURFACE_METAL_DOOR,	// garage door
-	SURFACE_BILLBOARD,
-	SURFACE_STEEL,		//?
-	SURFACE_METAL_POLE,	// ?
-	SURFACE_STREET_LIGHT,
-	SURFACE_METAL14,
-	SURFACE_METAL15,
-	SURFACE_METAL_FENCE,
-	SURFACE_FLESH,
+	SURFACE_TRANSPARENT_CLOTH,
+	SURFACE_GARAGE_DOOR,
+	SURFACE_CAR_PANEL,
+	SURFACE_THICK_METAL_PLATE,
+	SURFACE_SCAFFOLD_POLE,
+	SURFACE_LAMP_POST,
+	SURFACE_FIRE_HYDRANT,
+	SURFACE_GIRDER,
+	SURFACE_METAL_CHAIN_FENCE,
+	SURFACE_PED,
 	SURFACE_SAND,
-	SURFACE_PUDDLE,
-	SURFACE_WOOD,
-	SURFACE_WOOD_BOX,
-	SURFACE_WOOD_PLANK,
-	SURFACE_TIRE,
-	SURFACE_HARD24,
+	SURFACE_WATER,
+	SURFACE_WOOD_CRATES,
+	SURFACE_WOOD_BENCH,
+	SURFACE_WOOD_SOLID,
+	SURFACE_RUBBER,
+	SURFACE_PLASTIC,
 	SURFACE_HEDGE,
-	SURFACE_STONE,
-	SURFACE_METAL27,
-	SURFACE_METAL28,
-	SURFACE_RUBBER29,
-	SURFACE_LOOSE30,
-	SURFACE_BOLLARD,
-	SURFACE_GATE,
+	SURFACE_STEEP_CLIFF,
+	SURFACE_CONTAINER,
+	SURFACE_NEWS_VENDOR,
+	SURFACE_WHEELBASE,
+	SURFACE_CARDBOARDBOX,
+	SURFACE_TRANSPARENT_STONE,
+	SURFACE_METAL_GATE,
 
 	// These are illegal
-	SURFACE_SAND33,
-	SURFACE_ROAD34,
+	SURFACE_SAND_BEACH,
+	SURFACE_CONCRETE_BEACH,
 };
 
 enum
diff --git a/src/core/TempColModels.cpp b/src/core/TempColModels.cpp
index 79d6252b..b4d994ec 100644
--- a/src/core/TempColModels.cpp
+++ b/src/core/TempColModels.cpp
@@ -65,7 +65,7 @@ CTempColModels::Initialise(void)
 #else
 	for (i = 0; i < ARRAY_SIZE(s_aPedGSpheres); i++) {
 #endif
-		s_aPedSpheres[i].surface = SURFACE_FLESH;
+		s_aPedSpheres[i].surface = SURFACE_PED;
 		s_aPedSpheres[i].piece = 0;
 	}
 
@@ -84,7 +84,7 @@ CTempColModels::Initialise(void)
 	s_aPed2Spheres[2].center = CVector(0.0f, -0.35f, -0.9f);
 
 	for (i = 0; i < ARRAY_SIZE(s_aPed2Spheres); i++) {
-		s_aPed2Spheres[i].surface = SURFACE_FLESH;
+		s_aPed2Spheres[i].surface = SURFACE_PED;
 		s_aPed2Spheres[i].piece = 0;
 	}
 
@@ -105,10 +105,10 @@ CTempColModels::Initialise(void)
 	s_aPedGSpheres[2].center = CVector(0.0f, 0.25f, -0.9f);
 	s_aPedGSpheres[3].center = CVector(0.0f, 0.65f, -0.9f);
 
-	s_aPedGSpheres[0].surface = SURFACE_FLESH;
-	s_aPedGSpheres[1].surface = SURFACE_FLESH;
-	s_aPedGSpheres[2].surface = SURFACE_FLESH;
-	s_aPedGSpheres[3].surface = SURFACE_FLESH;
+	s_aPedGSpheres[0].surface = SURFACE_PED;
+	s_aPedGSpheres[1].surface = SURFACE_PED;
+	s_aPedGSpheres[2].surface = SURFACE_PED;
+	s_aPedGSpheres[3].surface = SURFACE_PED;
 	s_aPedGSpheres[0].piece = 4;
 	s_aPedGSpheres[1].piece = 1;
 	s_aPedGSpheres[2].piece = 0;
@@ -130,7 +130,7 @@ CTempColModels::Initialise(void)
 	s_aDoorSpheres[2].center = CVector(0.0f, -0.6f, 0.25f);
 
 	for (i = 0; i < ARRAY_SIZE(s_aDoorSpheres); i++) {
-		s_aDoorSpheres[i].surface = SURFACE_BILLBOARD;
+		s_aDoorSpheres[i].surface = SURFACE_CAR_PANEL;
 		s_aDoorSpheres[i].piece = 0;
 	}
 
@@ -150,7 +150,7 @@ CTempColModels::Initialise(void)
 	s_aBumperSpheres[3].center = CVector(-0.85f, -0.05f, 0.0f);
 
 	for (i = 0; i < ARRAY_SIZE(s_aBumperSpheres); i++) {
-		s_aBumperSpheres[i].surface = SURFACE_BILLBOARD;
+		s_aBumperSpheres[i].surface = SURFACE_CAR_PANEL;
 		s_aBumperSpheres[i].piece = 0;
 	}
 
@@ -170,7 +170,7 @@ CTempColModels::Initialise(void)
 	s_aPanelSpheres[3].center = CVector(-0.15f, 0.45f, 0.0f);
 
 	for (i = 0; i < ARRAY_SIZE(s_aPanelSpheres); i++) {
-		s_aPanelSpheres[i].surface = SURFACE_BILLBOARD;
+		s_aPanelSpheres[i].surface = SURFACE_CAR_PANEL;
 		s_aPanelSpheres[i].piece = 0;
 	}
 
@@ -190,7 +190,7 @@ CTempColModels::Initialise(void)
 	s_aBonnetSpheres[3].center = CVector(0.4f, 0.9f, 0.0f);
 
 	for (i = 0; i < ARRAY_SIZE(s_aBonnetSpheres); i++) {
-		s_aBonnetSpheres[i].surface = SURFACE_BILLBOARD;
+		s_aBonnetSpheres[i].surface = SURFACE_CAR_PANEL;
 		s_aBonnetSpheres[i].piece = 0;
 	}
 
@@ -210,7 +210,7 @@ CTempColModels::Initialise(void)
 	s_aBootSpheres[3].center = CVector(0.4f, -0.6f, 0.0f);
 
 	for (i = 0; i < ARRAY_SIZE(s_aBootSpheres); i++) {
-		s_aBootSpheres[i].surface = SURFACE_BILLBOARD;
+		s_aBootSpheres[i].surface = SURFACE_CAR_PANEL;
 		s_aBootSpheres[i].piece = 0;
 	}
 
@@ -232,7 +232,7 @@ CTempColModels::Initialise(void)
 #else
 	for (i = 0; i < ARRAY_SIZE(s_aBootSpheres); i++) {
 #endif
-		s_aWheelSpheres[i].surface = SURFACE_RUBBER29;
+		s_aWheelSpheres[i].surface = SURFACE_WHEELBASE;
 		s_aWheelSpheres[i].piece = 0;
 	}
 
@@ -254,7 +254,7 @@ CTempColModels::Initialise(void)
 #else
 	for (i = 0; i < ARRAY_SIZE(s_aBootSpheres); i++) {
 #endif
-		s_aBodyPartSpheres1[i].surface = SURFACE_FLESH;
+		s_aBodyPartSpheres1[i].surface = SURFACE_PED;
 		s_aBodyPartSpheres1[i].piece = 0;
 	}
 
@@ -276,7 +276,7 @@ CTempColModels::Initialise(void)
 #else
 	for (i = 0; i < ARRAY_SIZE(s_aBootSpheres); i++) {
 #endif
-		s_aBodyPartSpheres2[i].surface = SURFACE_FLESH;
+		s_aBodyPartSpheres2[i].surface = SURFACE_PED;
 		s_aBodyPartSpheres2[i].piece = 0;
 	}
 
diff --git a/src/entities/Physical.cpp b/src/entities/Physical.cpp
index f9f8ae7e..9fc5a853 100644
--- a/src/entities/Physical.cpp
+++ b/src/entities/Physical.cpp
@@ -1018,7 +1018,7 @@ CPhysical::ApplyFriction(float adhesiveLimit, CColPoint &colpoint)
 			ApplyFrictionTurnForce(frictionDir*fImpulse, pointpos);
 
 			if(fOtherSpeed > 0.1f &&
-			   colpoint.surfaceB != SURFACE_GRASS && colpoint.surfaceB != SURFACE_DIRTTRACK &&
+			   colpoint.surfaceB != SURFACE_GRASS && colpoint.surfaceB != SURFACE_MUD_DRY &&
 			   CSurfaceTable::GetAdhesionGroup(colpoint.surfaceA) == ADHESIVE_HARD){
 				CVector v = frictionDir * fOtherSpeed * 0.25f;
 				for(int i = 0; i < 4; i++)
diff --git a/src/modelinfo/PedModelInfo.cpp b/src/modelinfo/PedModelInfo.cpp
index 473e8b63..1d8aa4dc 100644
--- a/src/modelinfo/PedModelInfo.cpp
+++ b/src/modelinfo/PedModelInfo.cpp
@@ -251,7 +251,7 @@ CPedModelInfo::CreateHitColModel(void)
 			center.x = mat->pos.x + m_pColNodeInfos[i].x;
 			center.y = mat->pos.y + 0.0f;
 			center.z = mat->pos.z + m_pColNodeInfos[i].z;
-			spheres[i].Set(radius, center, SURFACE_FLESH, m_pColNodeInfos[i].pieceType);
+			spheres[i].Set(radius, center, SURFACE_PED, m_pColNodeInfos[i].pieceType);
 		}
 	}
 	RwMatrixDestroy(mat);
@@ -335,7 +335,7 @@ CPedModelInfo::CreateHitColModelSkinned(RpClump *clump)
 		center.x = pos.x + m_pColNodeInfos[i].x;
 		center.y = pos.y + 0.0f;
 		center.z = pos.z + m_pColNodeInfos[i].z;
-		spheres[i].Set(m_pColNodeInfos[i].radius, center, SURFACE_FLESH, m_pColNodeInfos[i].pieceType);
+		spheres[i].Set(m_pColNodeInfos[i].radius, center, SURFACE_PED, m_pColNodeInfos[i].pieceType);
 	}
 	RwMatrixDestroy(invmat);
 	RwMatrixDestroy(mat);
diff --git a/src/peds/Ped.cpp b/src/peds/Ped.cpp
index e3fa2104..6b3b8686 100644
--- a/src/peds/Ped.cpp
+++ b/src/peds/Ped.cpp
@@ -2037,7 +2037,7 @@ particleProduceFootDust(CPed *ped, CVector const &pos, float size, int times)
 	switch (ped->m_nSurfaceTouched)
 	{
 		case SURFACE_TARMAC:
-		case SURFACE_DIRT:
+		case SURFACE_GRAVEL:
 		case SURFACE_PAVEMENT:
 		case SURFACE_SAND:
 			for (int i = 0; i < times; ++i) {
@@ -2190,7 +2190,7 @@ CPed::PlayFootSteps(void)
 		}
 	}
 
-	if (m_nSurfaceTouched == SURFACE_PUDDLE) {
+	if (m_nSurfaceTouched == SURFACE_WATER) {
 		float pedSpeed = CVector2D(m_vecMoveSpeed).Magnitude();
 		if (pedSpeed > 0.03f && CTimer::GetFrameCounter() % 2 == 0 && pedSpeed > 0.13f) {
 #ifdef PC_PARTICLE
@@ -2588,7 +2588,7 @@ CPed::CanPedDriveOff(void)
 bool
 CPed::CanPedJumpThis(CEntity *unused, CVector *damageNormal = nil)
 {
-	if (m_nSurfaceTouched == SURFACE_PUDDLE)
+	if (m_nSurfaceTouched == SURFACE_WATER)
 		return true;
 
 	CVector pos = GetPosition();
@@ -11055,7 +11055,7 @@ CPed::SetJump(void)
 #ifdef VC_PED_PORTS
 		m_nPedState != PED_JUMP && !RpAnimBlendClumpGetAssociation(GetClump(), ANIM_JUMP_LAUNCH) &&
 #endif
-		(m_nSurfaceTouched != SURFACE_STONE || DotProduct(GetForward(), m_vecDamageNormal) >= 0.0f)) {
+		(m_nSurfaceTouched != SURFACE_STEEP_CLIFF || DotProduct(GetForward(), m_vecDamageNormal) >= 0.0f)) {
 		SetStoredState();
 		m_nPedState = PED_JUMP;
 		CAnimBlendAssociation *jumpAssoc = CAnimManager::BlendAnimation(GetClump(), ASSOCGRP_STD, ANIM_JUMP_LAUNCH, 8.0f);
@@ -14781,7 +14781,7 @@ CPed::ProcessEntityCollision(CEntity *collidingEnt, CColPoint *collidingPoints)
 						    GetMatrix().GetPosition().z = FEET_OFFSET + intersectionPoint.point.z;
 #endif
 							m_nSurfaceTouched = intersectionPoint.surfaceB;
-							if (m_nSurfaceTouched == SURFACE_STONE) {
+							if (m_nSurfaceTouched == SURFACE_STEEP_CLIFF) {
 								bHitSteepSlope = true;
 								m_vecDamageNormal = intersectionPoint.normal;
 							}
@@ -14889,7 +14889,7 @@ CPed::ProcessEntityCollision(CEntity *collidingEnt, CColPoint *collidingPoints)
 #endif
 				sphereNormal.Normalise();
 				collidingPoints[sphere].normal = sphereNormal;
-				if (collidingPoints[sphere].surfaceB == SURFACE_STONE)
+				if (collidingPoints[sphere].surfaceB == SURFACE_STEEP_CLIFF)
 					bHitSteepSlope = true;
 			}
 		}
@@ -16749,7 +16749,7 @@ CPed::UpdatePosition(void)
 		velocityChange = m_moved + velocityOfSurface - m_vecMoveSpeed;
 		m_fRotationCur += curSurface->m_vecTurnSpeed.z * CTimer::GetTimeStep();
 		m_fRotationDest += curSurface->m_vecTurnSpeed.z * CTimer::GetTimeStep();
-	} else if (m_nSurfaceTouched != SURFACE_STONE || m_vecDamageNormal.x == 0.0f && m_vecDamageNormal.y == 0.0f) {
+	} else if (m_nSurfaceTouched != SURFACE_STEEP_CLIFF || m_vecDamageNormal.x == 0.0f && m_vecDamageNormal.y == 0.0f) {
 		velocityChange = m_moved - m_vecMoveSpeed;
 	} else {
 		// Ped got damaged by steep slope
diff --git a/src/vehicles/Automobile.cpp b/src/vehicles/Automobile.cpp
index c968a147..e572c123 100644
--- a/src/vehicles/Automobile.cpp
+++ b/src/vehicles/Automobile.cpp
@@ -634,7 +634,7 @@ CAutomobile::ProcessControl(void)
 					m_aSuspensionSpringRatio[i], bias);
 				m_aWheelSkidmarkMuddy[i] =
 					m_aWheelColPoints[i].surfaceB == SURFACE_GRASS ||
-					m_aWheelColPoints[i].surfaceB == SURFACE_DIRTTRACK ||
+					m_aWheelColPoints[i].surfaceB == SURFACE_MUD_DRY ||
 					m_aWheelColPoints[i].surfaceB == SURFACE_SAND;
 			}else{
 				contactPoints[i] = Multiply3x3(GetMatrix(), colModel->lines[i].p1);
@@ -771,7 +771,7 @@ CAutomobile::ProcessControl(void)
 				else
 					fThrust = acceleration;
 
-				m_aWheelColPoints[CARWHEEL_FRONT_LEFT].surfaceA = SURFACE_RUBBER29;
+				m_aWheelColPoints[CARWHEEL_FRONT_LEFT].surfaceA = SURFACE_WHEELBASE;
 				float adhesion = CSurfaceTable::GetAdhesiveLimit(m_aWheelColPoints[CARWHEEL_FRONT_LEFT])*traction;
 				if(GetStatus() == STATUS_PLAYER)
 					adhesion *= CSurfaceTable::GetWetMultiplier(m_aWheelColPoints[CARWHEEL_FRONT_LEFT].surfaceB);
@@ -805,7 +805,7 @@ CAutomobile::ProcessControl(void)
 				else
 					fThrust = acceleration;
 
-				m_aWheelColPoints[CARWHEEL_FRONT_RIGHT].surfaceA = SURFACE_RUBBER29;
+				m_aWheelColPoints[CARWHEEL_FRONT_RIGHT].surfaceA = SURFACE_WHEELBASE;
 				float adhesion = CSurfaceTable::GetAdhesiveLimit(m_aWheelColPoints[CARWHEEL_FRONT_RIGHT])*traction;
 				if(GetStatus() == STATUS_PLAYER)
 					adhesion *= CSurfaceTable::GetWetMultiplier(m_aWheelColPoints[CARWHEEL_FRONT_RIGHT].surfaceB);
@@ -886,7 +886,7 @@ CAutomobile::ProcessControl(void)
 				else
 					fThrust = acceleration;
 
-				m_aWheelColPoints[CARWHEEL_REAR_LEFT].surfaceA = SURFACE_RUBBER29;
+				m_aWheelColPoints[CARWHEEL_REAR_LEFT].surfaceA = SURFACE_WHEELBASE;
 				float adhesion = CSurfaceTable::GetAdhesiveLimit(m_aWheelColPoints[CARWHEEL_REAR_LEFT])*traction;
 				if(GetStatus() == STATUS_PLAYER)
 					adhesion *= CSurfaceTable::GetWetMultiplier(m_aWheelColPoints[CARWHEEL_REAR_LEFT].surfaceB);
@@ -920,7 +920,7 @@ CAutomobile::ProcessControl(void)
 				else
 					fThrust = acceleration;
 
-				m_aWheelColPoints[CARWHEEL_REAR_RIGHT].surfaceA = SURFACE_RUBBER29;
+				m_aWheelColPoints[CARWHEEL_REAR_RIGHT].surfaceA = SURFACE_WHEELBASE;
 				float adhesion = CSurfaceTable::GetAdhesiveLimit(m_aWheelColPoints[CARWHEEL_REAR_RIGHT])*traction;
 				if(GetStatus() == STATUS_PLAYER)
 					adhesion *= CSurfaceTable::GetWetMultiplier(m_aWheelColPoints[CARWHEEL_REAR_RIGHT].surfaceB);
@@ -1135,10 +1135,10 @@ CAutomobile::ProcessControl(void)
 		}
 
 		uint8 surf = m_aWheelColPoints[i].surfaceB;
-		if(surf == SURFACE_DIRT || surf == SURFACE_PUDDLE || surf == SURFACE_HEDGE){
+		if(surf == SURFACE_GRAVEL || surf == SURFACE_WATER || surf == SURFACE_HEDGE){
 			if(surfShake < 0.2f)
 				surfShake = 0.3f;
-		}else if(surf == SURFACE_DIRTTRACK || surf == SURFACE_SAND){
+		}else if(surf == SURFACE_MUD_DRY || surf == SURFACE_SAND){
 			if(surfShake < 0.1f)
 				surfShake = 0.2f;
 		}else if(surf == SURFACE_GRASS){
@@ -2961,7 +2961,7 @@ CAutomobile::ProcessBuoyancy(void)
 		static RwRGBA smokeCol = {255, 255, 255, 255};
 
 		for(i = 0; i < 4; i++){
-			if(m_aSuspensionSpringRatio[i] < 1.0f && m_aWheelColPoints[i].surfaceB == SURFACE_PUDDLE){
+			if(m_aSuspensionSpringRatio[i] < 1.0f && m_aWheelColPoints[i].surfaceB == SURFACE_WATER){
 				CVector pos = m_aWheelColPoints[i].point + 0.3f*GetUp() - GetPosition();
 				CVector vSpeed = GetSpeed(pos);
 				vSpeed.z = 0.0f;
@@ -3559,7 +3559,7 @@ CAutomobile::AddWheelDirtAndWater(CColPoint *colpoint, uint32 belowEffectSpeed)
 				CGeneral::GetRandomNumberInRange(0.02f, 0.1f), grassCol);
 		}
 		return 0;
-	case SURFACE_DIRT:
+	case SURFACE_GRAVEL:
 		dir.x = -0.05f*m_vecMoveSpeed.x;
 		dir.y = -0.05f*m_vecMoveSpeed.y;
 		for(i = 0; i < 4; i++){
@@ -3568,7 +3568,7 @@ CAutomobile::AddWheelDirtAndWater(CColPoint *colpoint, uint32 belowEffectSpeed)
 				CGeneral::GetRandomNumberInRange(0.02f, 0.06f), dirtCol);
 		}
 		return 1;
-	case SURFACE_DIRTTRACK:
+	case SURFACE_MUD_DRY:
 		dir.x = -0.05f*m_vecMoveSpeed.x;
 		dir.y = -0.05f*m_vecMoveSpeed.y;
 		for(i = 0; i < 4; i++){
@@ -3918,19 +3918,19 @@ CAutomobile::SetUpWheelColModel(CColModel *colModel)
 
 	CMatrix mat;
 	mat.Attach(RwFrameGetMatrix(m_aCarNodes[CAR_WHEEL_LF]));
-	colModel->spheres[0].Set(mi->m_wheelScale, mat.GetPosition(), SURFACE_TIRE, CAR_PIECE_WHEEL_LF);
+	colModel->spheres[0].Set(mi->m_wheelScale, mat.GetPosition(), SURFACE_RUBBER, CAR_PIECE_WHEEL_LF);
 	mat.Attach(RwFrameGetMatrix(m_aCarNodes[CAR_WHEEL_LB]));
-	colModel->spheres[1].Set(mi->m_wheelScale, mat.GetPosition(), SURFACE_TIRE, CAR_PIECE_WHEEL_LR);
+	colModel->spheres[1].Set(mi->m_wheelScale, mat.GetPosition(), SURFACE_RUBBER, CAR_PIECE_WHEEL_LR);
 	mat.Attach(RwFrameGetMatrix(m_aCarNodes[CAR_WHEEL_RF]));
-	colModel->spheres[2].Set(mi->m_wheelScale, mat.GetPosition(), SURFACE_TIRE, CAR_PIECE_WHEEL_RF);
+	colModel->spheres[2].Set(mi->m_wheelScale, mat.GetPosition(), SURFACE_RUBBER, CAR_PIECE_WHEEL_RF);
 	mat.Attach(RwFrameGetMatrix(m_aCarNodes[CAR_WHEEL_RB]));
-	colModel->spheres[3].Set(mi->m_wheelScale, mat.GetPosition(), SURFACE_TIRE, CAR_PIECE_WHEEL_RR);
+	colModel->spheres[3].Set(mi->m_wheelScale, mat.GetPosition(), SURFACE_RUBBER, CAR_PIECE_WHEEL_RR);
 
 	if(m_aCarNodes[CAR_WHEEL_LM] != nil && m_aCarNodes[CAR_WHEEL_RM] != nil){
 		mat.Attach(RwFrameGetMatrix(m_aCarNodes[CAR_WHEEL_LM]));
-		colModel->spheres[4].Set(mi->m_wheelScale, mat.GetPosition(), SURFACE_TIRE, CAR_PIECE_WHEEL_LR);
+		colModel->spheres[4].Set(mi->m_wheelScale, mat.GetPosition(), SURFACE_RUBBER, CAR_PIECE_WHEEL_LR);
 		mat.Attach(RwFrameGetMatrix(m_aCarNodes[CAR_WHEEL_RM]));
-		colModel->spheres[5].Set(mi->m_wheelScale, mat.GetPosition(), SURFACE_TIRE, CAR_PIECE_WHEEL_RR);
+		colModel->spheres[5].Set(mi->m_wheelScale, mat.GetPosition(), SURFACE_RUBBER, CAR_PIECE_WHEEL_RR);
 		colModel->numSpheres = 6;
 	}else
 		colModel->numSpheres = 4;
diff --git a/src/vehicles/Heli.cpp b/src/vehicles/Heli.cpp
index bb266a80..4966a228 100644
--- a/src/vehicles/Heli.cpp
+++ b/src/vehicles/Heli.cpp
@@ -590,12 +590,12 @@ CHeli::PreRender(void)
 			g = 6;
 			b = 3;
 			break;
-		case SURFACE_DIRT:
+		case SURFACE_GRAVEL:
 			r = 10;
 			g = 8;
 			b = 7;
 			break;
-		case SURFACE_DIRTTRACK:
+		case SURFACE_MUD_DRY:
 			r = 10;
 			g = 6;
 			b = 3;