hmt parser: split into main program & parsing unit

--HG--
rename : hmt_parser/hmt_parser.lpr => hmt_parser/hmt_parser.pas

hmt_parser/hmt_parser.lpi

@@ -5,6 +5,7 @@
     <PathDelim Value="\"/>
     <General>
       <Flags>
+        <SaveOnlyProjectUnits Value="True"/>
         <MainUnitHasCreateFormStatements Value="False"/>
         <MainUnitHasTitleStatement Value="False"/>
       </Flags>
@@ -31,12 +32,17 @@
         <FormatVersion Value="1"/>
       </local>
     </RunParams>
-    <Units Count="1">
+    <Units Count="2">
       <Unit0>
-        <Filename Value="hmt_parser.lpr"/>
+        <Filename Value="main.pas"/>
+        <IsPartOfProject Value="True"/>
+        <UnitName Value="parse_hmt"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="hmt_parser.pas"/>
         <IsPartOfProject Value="True"/>
         <UnitName Value="hmt_parser"/>
-      </Unit0>
+      </Unit1>
     </Units>
   </ProjectOptions>
   <CompilerOptions>

hmt_parser/hmt_parser.pas

@@ -1,7 +1,10 @@
-program hmt_parser;
+unit hmt_parser;
+{$mode objfpc}{$H+}
 
- uses
-   Classes;
+interface
+
+uses
+  sysutils, Classes;
 
 type
   THmtMaterial = record
@@ -25,6 +28,10 @@ type
       textures: array of THmtTexture;
   end;
 
+procedure ParseHmtFile(const fname: string);
+
+//**************************************************************************************************
+implementation
 
 function NameToString(name: array of byte): string;
 var
@@ -82,7 +89,7 @@ begin
   //read textures
   if hmt.texture_count = 0 then
       exit;
-  f.Seek(hmt.texture_offset + sizeof(hmt.texture_count), TSeekOrigin.soBeginning);
+  f.Seek(hmt.texture_offset + sizeof(hmt.texture_count), fsFromCurrent);
   SetLength(hmt.textures, hmt.texture_count);
   for i := 0 to hmt.texture_count - 1 do begin
       tex.data_offset := f.ReadDWord;
@@ -92,22 +99,5 @@ begin
   f.Free;
 end;
 
-var
-  fname: string;
-
-begin
-  if ParamCount < 1 then begin
-      writeln ('no input file specified');
-      exit;
-  end;
-
-  fname := ParamStr(1);
-  writeln('parsing file: ', fname);
-  try
-      ParseHmtFile(fname);
-  except
-      writeln('parsing failed!');
-  end;
-  writeln('done.');
 end.