Merge branch 'master' of git@github.com:korslund/openmw

bsa/bsa_file.cpp

@@ -112,8 +112,7 @@ void BSAFile::readHeader()
     fail("Directory information larger than entire archive");
 
   // Read the offset info into a temporary buffer
-  vector<uint32_t> offsets;
+  vector<uint32_t> offsets(3*filenum);
-  offsets.resize(3*filenum);
   input->read(&offsets[0], 12*filenum);
 
   // Read the string table

esm/.gitignore

@@ -0,0 +1,4 @@
+old
+*.esm
+*.esp
+reader

esm/Makefile

@@ -0,0 +1 @@
+all: reader

esm/reader.cpp

@@ -0,0 +1,144 @@
+#include <iostream>
+#include <string>
+#include <stdint.h>
+#include <assert.h>
+using namespace std;
+
+#include "../mangle/stream/stream.h"
+#include "../mangle/stream/servers/file_stream.h"
+#include "../mangle/tools/str_exception.h"
+
+/* A structure used for holding fixed-length strings. In the case of
+   LEN=4, it can be more efficient to match the string as a 32 bit
+   number, therefore the struct is implemented as a union with an int.
+ */
+template <int LEN>
+union NAME_T
+{
+  char name[LEN];
+  int32_t val;
+
+  bool operator==(const char *str)
+  {
+    for(int i=0; i<LEN; i++)
+      if(name[i] != str[i]) return false;
+      else if(name[i] == 0) return true;
+    return str[LEN] == 0;
+  }
+  bool operator!=(const char *str) { return !((*this)==str); }
+
+  bool operator==(const string &str)
+  {
+    return (*this) == str.c_str();
+  }
+  bool operator!=(const string &str) { return !((*this)==str); }
+
+  bool operator==(int v) { return v == val; }
+  bool operator!=(int v) { return v != val; }
+};
+
+typedef NAME_T<4> NAME;
+typedef NAME_T<32> NAME32;
+typedef NAME_T<256> NAME256;
+
+class ESMReader
+{
+  Mangle::Stream::StreamPtr esm;
+  size_t leftFile;
+  uint32_t leftRec;
+  string filename;
+
+  NAME recName, subName;
+
+public:
+  void open(Mangle::Stream::StreamPtr _esm, const string &name)
+  {
+    esm = _esm;
+    filename = name;
+    leftFile = esm->size();
+    leftRec = 0;
+    recName.val = 0;
+    subName.val = 0;
+
+    cout << "left: " << leftFile << endl;
+    if(getRecName() != "TES3")
+      fail("Not a valid Morrowind file");
+    cout << "left: " << leftFile << endl;
+
+    // The flags are always zero
+    uint32_t flags;
+    getRecHeader(flags);
+  }
+
+  void open(const string &file)
+  {
+    using namespace Mangle::Stream;
+    open(StreamPtr(new FileStream(file)), file);
+  }
+
+  /*************************************************************************
+   *
+   *  Low level reading methods
+   *
+   *************************************************************************/
+
+  NAME getRecName()
+  {
+    if(!hasMoreRecs())
+      fail("No more records, getRecName() failed");
+    getName(recName);
+    leftFile -= 4;
+    return recName;
+  }
+
+  /* Read record header. This updatesleftFile BEYOND the data that
+     follows the header, ie beyond the entire record. You should use
+     leftRec to orient yourself inside the record itself.
+  */
+  void getRecHeader(uint32_t &flags)
+    {
+      // General error checking
+      if(leftFile < 12)
+	fail("End of file while reading record header");
+      if(leftRec)
+	fail("Previous record contains unread bytes");
+
+      getUint(leftRec);
+      getUint(flags);// This header entry is always zero
+      getUint(flags);
+      leftFile -= 12;
+
+      // Check that sizes add up
+      if(leftFile < leftRec)
+	fail("Record size is larger than rest of file");
+
+      // Adjust number of bytes left in file
+      leftFile -= leftRec;
+    }
+
+  bool hasMoreRecs() { return leftFile > 0; }
+
+  void getName(NAME &name) { esm->read(&name,4); }
+  void getUint(uint32_t &u) { esm->read(&u,4); }
+
+  /// Used for error handling
+  void fail(const std::string &msg)
+    {
+      std::string err = "ESM Error: " + msg;
+      err += "\n  File: " + filename;
+      err += "\n  Record: " + string(recName.name,4);
+      err += "\n  Subrecord: " + string(subName.name,4);
+      throw str_exception(err);
+    }
+};
+
+int main(int argc, char**argv)
+{
+  if(argc != 2)
+    return 1;
+
+  ESMReader esm;
+  esm.open(argv[1]);
+
+  return 0;
+}

nifogre/ogre_nif_loader.cpp

@@ -58,6 +58,46 @@ static void warn(const string &msg)
   cout << "WARNING (NIF:" << errName << "): " << msg << endl;
 }
 
+// Conversion of blend / test mode from NIF -> OGRE. Not in use yet.
+static SceneBlendFactor getBlendFactor(int mode)
+{
+  switch(mode)
+    {
+    case 0: return SBF_ONE;
+    case 1: return SBF_ZERO;
+    case 2: return SBF_SOURCE_COLOUR;
+    case 3: return SBF_ONE_MINUS_SOURCE_COLOUR;
+    case 4: return SBF_DEST_COLOUR;
+    case 5: return SBF_ONE_MINUS_DEST_COLOUR;
+    case 6: return SBF_SOURCE_ALPHA;
+    case 7: return SBF_ONE_MINUS_SOURCE_ALPHA;
+    case 8: return SBF_DEST_ALPHA;
+    case 9: return SBF_ONE_MINUS_DEST_ALPHA;
+    /* [Comment from Chris Robinson:] Can't handle this mode? :/
+    case 10: return SBF_SOURCE_ALPHA_SATURATE;
+    */
+    default:
+      return SBF_SOURCE_ALPHA;
+    }
+}
+
+static CompareFunction getTestMode(int mode)
+{
+  switch(mode)
+    {
+    case 0: return CMPF_ALWAYS_PASS;
+    case 1: return CMPF_LESS;
+    case 2: return CMPF_EQUAL;
+    case 3: return CMPF_LESS_EQUAL;
+    case 4: return CMPF_GREATER;
+    case 5: return CMPF_NOT_EQUAL;
+    case 6: return CMPF_GREATER_EQUAL;
+    case 7: return CMPF_ALWAYS_FAIL;
+    default:
+      return CMPF_ALWAYS_PASS;
+    }
+}
+
 static void createMaterial(const String &name,
                            const Vector &ambient,
                            const Vector &diffuse,
@@ -79,6 +119,33 @@ static void createMaterial(const String &name,
       Pass *pass = material->getTechnique(0)->getPass(0);
       TextureUnitState *txt = pass->createTextureUnitState(texName);
 
+      /* As of yet UNTESTED code from Chris:
+      pass->setTextureFiltering(Ogre::TFO_ANISOTROPIC);
+      pass->setDepthFunction(Ogre::CMPF_LESS_EQUAL);
+      pass->setDepthCheckEnabled(true);
+
+      // Add transparency if NiAlphaProperty was present
+      if(alphaFlags != -1)
+        {
+          if((alphaFlags&1))
+            {
+              pass->setDepthWriteEnabled(false);
+              pass->setSceneBlending(getBlendFactor((alphaFlags>>1)&0xf),
+                                     getBlendFactor((alphaFlags>>5)&0xf));
+            }
+          else
+            pass->setDepthWriteEnabled(true);
+
+          if((alphaFlags>>9)&1)
+            pass->setAlphaRejectSettings(getTestMode((alphaFlags>>10)&0x7),
+                                         alphaTest);
+
+          pass->setTransparentSortingEnabled(!((alphaFlags>>13)&1));
+        }
+      else
+        pass->setDepthWriteEnabled(true);
+      */
+
       // Add transparency if NiAlphaProperty was present
       if(alphaFlags != -1)
         {
@@ -115,7 +182,7 @@ static String getUniqueName(const String &input)
   snprintf(buf,8,"_%d", addon++);
 
   // Don't overflow the buffer
-  if(addon > 1999999) addon = 0;
+  if(addon > 999999) addon = 0;
 
   return input + buf;
 }