From db073a7287bd13e3b4d034394f0b04ee0727e984 Mon Sep 17 00:00:00 2001
From: Ilya Shurumov <ishurumov@gmail.com>
Date: Sat, 9 Apr 2022 22:09:10 +0600
Subject: [PATCH] - few optimizations

---
 src_rebuild/Game/C/draw.c     |  3 ++-
 src_rebuild/Game/C/handling.c | 14 +++-----------
 2 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/src_rebuild/Game/C/draw.c b/src_rebuild/Game/C/draw.c
index f98457bc..7b2f9880 100644
--- a/src_rebuild/Game/C/draw.c
+++ b/src_rebuild/Game/C/draw.c
@@ -1300,10 +1300,11 @@ void DrawMapPSX(int* comp_val)
 	int cellx, cellz;
 	int hloop, vloop;
 
-#if 0 //def PSX
+#ifdef PSX
 	CELL_ITERATOR& ci = *(CELL_ITERATOR*)(u_char*)getScratchAddr(0);
 	MATRIX& mRotStore = *(MATRIX*)((u_char*)getScratchAddr(0) + sizeof(CELL_ITERATOR));
 	DrawMapData& drawData = *(DrawMapData*)((u_char*)getScratchAddr(0) + sizeof(CELL_ITERATOR) + sizeof(MATRIX));
+	static_assert(sizeof(CELL_ITERATOR) + sizeof(MATRIX) + sizeof(DrawMapData) < 1024, "scratchpad overflow");
 #else
 	CELL_ITERATOR ci;
 	MATRIX mRotStore;
diff --git a/src_rebuild/Game/C/handling.c b/src_rebuild/Game/C/handling.c
index 77959c0d..84124ea8 100644
--- a/src_rebuild/Game/C/handling.c
+++ b/src_rebuild/Game/C/handling.c
@@ -751,9 +751,6 @@ void GlobalTimeStep(void)
 void SetShadowPoints(CAR_DATA* c0, VECTOR* outpoints)
 {
 	int i;
-	SVECTOR disp;
-	VECTOR pointPos;
-	VECTOR surfaceNormal;
 	CAR_COSMETICS* car_cos;
 
 	sdPlane* surfacePtr;
@@ -766,15 +763,10 @@ void SetShadowPoints(CAR_DATA* c0, VECTOR* outpoints)
 
 	for (i = 0; i < 4; i++)
 	{
-		disp = car_cos->cPoints[i];
-
-		gte_ldv0(&disp);
-
+		gte_ldv0(&car_cos->cPoints[i]);
 		gte_rtv0tr();
-
-		gte_stlvnl(&pointPos);
-
-		FindSurfaceD2(&pointPos, &surfaceNormal, &outpoints[i], &surfacePtr);
+		gte_stlvnl(&outpoints[i]);
+		outpoints[i].vy = MapHeight(&outpoints[i]);
 	}
 }