From c01aa37caaadb2e65667b1156a907e92e859fee8 Mon Sep 17 00:00:00 2001
From: Vincent Hamm
Date: Fri, 27 Apr 2007 12:58:35 +0000
Subject: Add cruise source code for scummvm

svn-id: r26605
---
 engines/cruise/background.cpp | 220 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 220 insertions(+)
 create mode 100644 engines/cruise/background.cpp

(limited to 'engines/cruise/background.cpp')

diff --git a/engines/cruise/background.cpp b/engines/cruise/background.cpp
new file mode 100644
index 0000000000..02312d1224
--- /dev/null
+++ b/engines/cruise/background.cpp
@@ -0,0 +1,220 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2006 The ScummVM project
+ *
+ * cinE Engine is (C) 2004-2005 by CinE Team
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "cruise/cruise_main.h"
+
+namespace Cruise {
+
+uint8 colorMode = 0;
+
+uint8* backgroundPtrtable[8] = {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL}; // wasn't initialized in original, but it's probably better
+backgroundTableStruct backgroundTable[8];
+
+char hwPage[64000];
+
+char* hwMemAddr[] =
+{
+	hwPage,
+};
+
+short int cvtPalette[0x20];
+
+int loadMEN(uint8** ptr)
+{
+  char* localPtr = (char*)*ptr;
+
+  if(!strcmp(localPtr,"MEN"))
+  {
+    localPtr+=4;
+
+    video4 = *(localPtr++);
+    video3 = *(localPtr++);
+    video2 = *(localPtr++);
+    colorOfSelectedSaveDrive = *(localPtr++);
+
+    *ptr = (uint8*)localPtr;
+
+    return 1;
+  }
+  else
+  {
+    return 0;
+  }
+}
+
+int CVTLoaded;
+
+int loadCVT(uint8** ptr)
+{
+  char* localPtr = (char*)*ptr;
+
+  if(!strcmp(localPtr,"CVT"))
+  {
+    int i;
+    localPtr+=4;
+
+    for(i=0;i<0x20;i++)
+    {
+      cvtPalette[i] = *(localPtr++);
+    }
+
+    *ptr = (uint8*)localPtr;
+
+    CVTLoaded = 1;
+
+    return 1;
+  }
+  else
+  {
+    CVTLoaded = 0;
+    return 0;
+  }
+}
+
+extern int lastFileSize;
+
+int loadBackground(char* name, int idx)
+{
+	uint8* ptr;
+	uint8* ptr2;
+	uint8* ptrToFree;
+
+	printf("Loading BG: %s\n",name);
+
+	if(!backgroundPtrtable[idx])
+  {
+		//if(!gfxModuleData.useEGA && !gfxModuleData.useVGA)
+		{
+			backgroundPtrtable[idx] = (uint8*)mallocAndZero(320*200/*64000*/);
+		}
+/*		else
+		{
+			backgroundPtrtable[idx] = hwMemAddr[idx];
+		} */
+  }
+
+  if(!backgroundPtrtable[idx])
+  {
+    backgroundTable[idx].name[0] = 0;
+    return(-2);
+  }
+
+	ptrToFree = gfxModuleData.pPage10;
+	if(loadFileSub1(&ptrToFree,(uint8*)name,NULL)<0)
+	{
+		if(ptrToFree != gfxModuleData.pPage10)
+		  free(ptrToFree);
+
+		return(-18);
+	}
+
+	if(lastFileSize == 32078 || lastFileSize == 32080 || lastFileSize == 32034)
+	{
+		colorMode = 0;
+	}
+	else
+	{
+		colorMode = 1;
+	}
+
+	ptr = ptrToFree;
+  ptr2 = ptrToFree;
+
+  if(!strcmpuint8(name,"LOGO.PI1"))
+  {
+    bgVar3=bgVar2;
+    bgVar1=1;
+    bgVar2=1;
+  }
+  else
+  {
+    if(bgVar1)
+    {
+      bgVar2=bgVar3;
+      bgVar1=0;
+    }
+  }
+
+  if(!strcmpuint8(ptr,"PAL"))
+  {
+    printf("Pal loading unsupported !\n");
+    exit(1);
+  }
+  else
+  {
+		if(!colorMode || ptr2[1] == 5)
+		{
+			ptr2+=2;
+
+			memcpy(palette,ptr2,0x20);
+			ptr2+=0x20;
+			flipGen(palette,0x20);
+			ptr2 += 0x7D00;
+
+			loadMEN(&ptr2);
+			loadCVT(&ptr2);
+
+			gfxModuleData_gfxClearFrameBuffer(backgroundPtrtable[idx]);
+			gfxModuleData_field_60((char*)ptrToFree+34, 20, 200, (char*)backgroundPtrtable[idx], 0, 0);
+
+			gfxModuleData_setPal((uint8*)(palette + (idx << 6)));
+		}
+		else
+		if(ptr2[1] == 8)
+		{
+			int i;
+			ptr2+=2;
+
+			for(i=0;i<256*3;i++)
+			{
+				palette[i] = ptr2[i];
+			}
+			//memcpy(palette,ptr2,256*3);
+			ptr2+=256*3;
+
+			memcpy(backgroundPtrtable[idx], ptr2, 320*200);
+
+			gfxModuleData_setPal256(palette);
+		}
+  }
+
+  //if(ptrToFree != gfxModuleData.pPage10)
+  //  free(ptrToFree);
+
+	if(gfxModuleData.useEGA || gfxModuleData.useTandy)
+	{
+		ASSERT(0);
+	}
+
+	if(gfxModuleData.useEGA || gfxModuleData.useTandy)
+	{
+		ASSERT(0);
+	}
+
+	strcpy(backgroundTable[idx].name, name);
+
+  return(0);
+}
+
+} // End of namespace Cruise
-- 
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