From 1f9d2520638ae4675f4f67f4356e447ffb55aef7 Mon Sep 17 00:00:00 2001
From: RD42 <42702181+dashr9230@users.noreply.github.com>
Date: Mon, 19 Feb 2024 21:13:45 +0800
Subject: [PATCH] [saco] Implement `WriteRwRasterToFile()`

---
 saco/game/util.cpp | 49 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/saco/game/util.cpp b/saco/game/util.cpp
index 398c539..724bc37 100644
--- a/saco/game/util.cpp
+++ b/saco/game/util.cpp
@@ -1147,6 +1147,55 @@ void _VehicleEnvMappingFromScreen()
 	*(float *)0x8A7780 = 2.0f;
 }
 
+//----------------------------------------------------
+
+int Width,Height,Depth;
+DWORD dwRwImage;
+
+void WriteRwRasterToFile(DWORD raster,char *filename)
+{
+	// RwImageCreate(width,height,depth)
+	_asm push Depth
+	_asm push Height
+	_asm push Width
+	_asm mov edx, 0x8026E0
+	_asm call edx
+	_asm mov dwRwImage, eax
+	_asm pop edx
+	_asm pop edx
+	_asm pop edx
+
+	// RwImageAllocatePixels
+	_asm push dwRwImage
+	_asm mov edx, 0x8027A0
+	_asm call edx
+	_asm pop edx
+
+	// RwImageSetFromRaster
+	_asm push raster
+	_asm push dwRwImage
+	_asm mov edx, 0x804250
+	_asm call edx
+	_asm pop edx
+	_asm pop edx
+
+	// RtBmpImageWrite
+	_asm push filename
+	_asm push dwRwImage
+	_asm mov edx, 0x7CE990
+	_asm call edx
+	_asm pop edx
+	_asm pop edx
+
+	// RwImageDestroy
+	_asm push dwRwImage
+	_asm mov edx, 0x802740
+	_asm call edx
+	_asm pop edx
+}
+
+//----------------------------------------------------
+
 BOOL IsFileOrDirectoryExists(char * szPath)
 {
 	struct _stat buf;