change pack alignment for opengl screenshot saving.

more useful error messages from ffread.cpp and language.c

src/avp/language.c

@@ -34,6 +34,7 @@ static char *TextBufferPtr;
 
 void InitTextStrings(void)
 {
+	char *filename;
 	char *textPtr;
 	int i;
 
@@ -42,16 +43,26 @@ void InitTextStrings(void)
 	GLOBALASSERT(AvP.Language<I_MAX_NO_OF_LANGUAGES);
 	
 #if MARINE_DEMO
-	TextBufferPtr = LoadTextFile("menglish.txt");
+	filename = "menglish.txt";
 #elif ALIEN_DEMO
-	TextBufferPtr = LoadTextFile("aenglish.txt");
+	filename = "aenglish.txt";
 #elif USE_LANGUAGE_TXT
-	TextBufferPtr = LoadTextFile("language.txt");
+	filename = "language.txt";
 #else
-	TextBufferPtr = LoadTextFile(LanguageFilename[AvP.Language]);
+	filename = LanguageFilename[AvP.Language];
 #endif
+	TextBufferPtr = LoadTextFile(filename);
 		
-	LOCALASSERT(TextBufferPtr);
+	if (TextBufferPtr == NULL) {
+		/* NOTE:
+		   if this load fails, then most likely the game is not 
+		   installed correctly. 
+		   SBF
+		  */ 
+		fprintf(stderr, "ERROR: unable to load %s language text file\n",
+			 filename);
+		exit(1);
+	}
 	
 	if (!strncmp (TextBufferPtr, "REBCRIF1", 8))
 	{

src/avp/win95/ffread.cpp

@@ -1,7 +1,12 @@
+#ifdef WIN32
+#include <windows.h>
+#else
+#include <errno.h>
+#endif
+
 #include <string.h>
 #include <stdlib.h>
 #include <ctype.h>
-//#include <windows.h>
 #include <stdio.h>
 
 #include "ffread.hpp"
@@ -28,7 +33,7 @@ void ReportError(char const * mesg1, char const * mesg2)
 	}
 	else
 	{
-#if 0
+#ifdef WIN32
 		char * lpMsgBuf;
 
 		err = GetLastError();
@@ -51,10 +56,15 @@ void ReportError(char const * mesg1, char const * mesg2)
 		
 		// Free the buffer.
 		LocalFree( lpMsgBuf );
-#endif
+#else
-		mesg = new char [strlen(mesg1)+32];
+		mesg2 = strerror(errno);
+		
+		mesg = new char [strlen(mesg1)+32+strlen(mesg2)+1];
 		strcpy(mesg, mesg1);
-		strcat(mesg, "\n\nReportError: I have no clue!\n");
+		strcat(mesg, "\n\nReportError: ");
+		strcat(mesg, mesg2);
+		strcat(mesg, "\n");
+#endif
 	}
 	
 	// Display the string.

src/main.c

@@ -182,6 +182,7 @@ unsigned char *GetScreenShot24(int *width, int *height)
 	buf = (unsigned char *)malloc(surface->w * surface->h * 3);
 	
 	if (surface->flags & SDL_OPENGL) {
+		glPixelStorei(GL_PACK_ALIGNMENT, 1);
 		glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
 		glReadPixels(0, 0, surface->w, surface->h, GL_RGB, GL_UNSIGNED_BYTE, buf);
 	} else {