From 428b5ae8dbff80edfbea88647f363b1f9cc18bbb Mon Sep 17 00:00:00 2001
From: Joshua Peisach <itzswirlz2020@outlook.com>
Date: Fri, 30 Jun 2023 19:24:00 -0400
Subject: [PATCH] Initial implementation of MxBitmap (#34)

Co-authored-by: Anonymous Maarten <madebr@users.noreply.github.com>
---
 LEGO1/mxbitmap.cpp | 61 ++++++++++++++++++++++++++++++++++++++++------
 LEGO1/mxbitmap.h   | 15 ++++++++++--
 2 files changed, 67 insertions(+), 9 deletions(-)

diff --git a/LEGO1/mxbitmap.cpp b/LEGO1/mxbitmap.cpp
index 81126d9b..a7425dd8 100644
--- a/LEGO1/mxbitmap.cpp
+++ b/LEGO1/mxbitmap.cpp
@@ -3,25 +3,72 @@
 // OFFSET: LEGO1 0x100bc980
 MxBitmap::MxBitmap()
 {
-  // TODO
+  this->m_info = NULL;
+  this->m_bmiHeader = NULL;
+  this->m_paletteData = NULL;
+  this->m_data = NULL;
+  this->m_unk18 = FALSE;
+  this->m_palette = NULL;
 }
 
 // OFFSET: LEGO1 0x100bca10
 MxBitmap::~MxBitmap()
 {
-  // TODO
+  if (this->m_info != NULL) {
+    delete m_info;
+  }
+  if (this->m_data != NULL) {
+    delete m_data;
+  }
+  if (this->m_palette != NULL) {
+    delete m_palette;  
+  }
 }
 
 // OFFSET: LEGO1 0x100bd1c0
 MxPalette *MxBitmap::CreatePalette()
 {
-  // TODO
-  return NULL;
+  // FIXME: This function needs MxPalette to be completed. Also INFERRING usage of MxBool
+  MxPalette *pal = NULL;
+  MxPalette *ppal;
+  MxBool success = FALSE;
+
+  if(this->m_unk18 == FALSE) {
+    // ppal = MxPalette::FromBitmapPalette(this->m_paletteData);
+  } else {
+    if(this->m_unk18 != TRUE) {
+      if(!success && pal != NULL) {
+        delete pal;
+        pal = NULL;
+      }
+    }
+    //.pal = MxPalette::Clone(this->m_palette);
+  }
+  if(pal != NULL) {
+    success = TRUE;
+  }
+
+  return pal;
 }
 
 // OFFSET: LEGO1 0x100bcd10
-long MxBitmap::Read(const char *)
+long MxBitmap::Read(const char *filename)
 {
-  // TODO
-  return 0;
+  HANDLE handle;
+  int unk1;
+  MxResult ret = FAILURE;
+
+  handle = CreateFileA(filename,GENERIC_READ,FILE_SHARE_READ,(LPSECURITY_ATTRIBUTES)NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,(HANDLE)NULL);
+  if(handle != (HANDLE)INVALID_HANDLE_VALUE) {  // INVALID_HANDLE_VALUE = -1, or 0xffffffff
+		// FIXME: line 16. iVar gets changed in this line
+    if(unk1 == 0) {
+      ret = SUCCESS;
+    }
+  }
+  if(handle != (HANDLE)NULL) {
+    CloseHandle(handle);
+  }
+
+  return ret;
 }
+
diff --git a/LEGO1/mxbitmap.h b/LEGO1/mxbitmap.h
index 1fc54260..24d9e166 100644
--- a/LEGO1/mxbitmap.h
+++ b/LEGO1/mxbitmap.h
@@ -1,15 +1,26 @@
 #ifndef MXBITMAP_H
 #define MXBITMAP_H
 
-#include "mxpalette.h"
+#include <stdlib.h>
 
-class MxBitmap
+#include "mxcore.h"
+#include "mxpalette.h"
+#include "mxtypes.h"
+
+class MxBitmap : public MxCore
 {
 public:
   __declspec(dllexport) MxBitmap();
   __declspec(dllexport) virtual ~MxBitmap();
   __declspec(dllexport) virtual MxPalette *CreatePalette();
   __declspec(dllexport) virtual long Read(const char *);
+private:
+  BITMAPINFO *m_info;
+  BITMAPINFOHEADER *m_bmiHeader;
+  RGBQUAD *m_paletteData;
+  LPVOID *m_data;
+  MxBool m_unk18;
+  MxPalette *m_palette;
 };
 
 #endif // MXBITMAP_H