/*
Copyright (c) 2001, Loki software, inc.
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, 
are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list 
of conditions and the following disclaimer.

Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.

Neither the name of Loki software nor the names of its contributors may be used 
to endorse or promote products derived from this software without specific prior 
written permission. 

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY 
DIRECT,INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
*/

//
// Image loading plugin
//
// Leonardo Zide (leo@lokigames.com)
//

#include <stdio.h>
#include "image.h"
#include "lbmlib.h"

// =============================================================================
// global tables

_QERFuncTable_1 g_FuncTable; // Radiant function table
_QERFileSystemTable g_FileSystemTable;

// =============================================================================
// SYNAPSE

CSynapseServer* g_pSynapseServer = NULL;
CSynapseClientImage g_SynapseClient;

static const XMLConfigEntry_t entries[] = 
  { 
    { VFS_MAJOR, SYN_REQUIRE, sizeof(g_FileSystemTable), &g_FileSystemTable },
    { NULL, SYN_UNKNOWN, 0, NULL } };

#if __GNUC__ >= 4
#pragma GCC visibility push(default)
#endif
extern "C" CSynapseClient* SYNAPSE_DLL_EXPORT Synapse_EnumerateInterfaces( const char *version, CSynapseServer *pServer ) {
#if __GNUC__ >= 4
#pragma GCC visibility pop
#endif
  if (strcmp(version, SYNAPSE_VERSION))
  {
    Syn_Printf("ERROR: synapse API version mismatch: should be '" SYNAPSE_VERSION "', got '%s'\n", version);
    return NULL;
  }
  g_pSynapseServer = pServer;
  g_pSynapseServer->IncRef();
  Set_Syn_Printf(g_pSynapseServer->Get_Syn_Printf());

  g_SynapseClient.AddAPI(IMAGE_MAJOR, "jpg", sizeof(_QERPlugImageTable));
  g_SynapseClient.AddAPI(IMAGE_MAJOR, "tga", sizeof(_QERPlugImageTable));
  // NOTE: these two are for md2 support
  // instead of requesting them systematically, we could request them per-config before enabling Q2 support
  g_SynapseClient.AddAPI(IMAGE_MAJOR, "pcx", sizeof(_QERPlugImageTable));
  g_SynapseClient.AddAPI(IMAGE_MAJOR, "bmp", sizeof(_QERPlugImageTable));
  g_SynapseClient.AddAPI(RADIANT_MAJOR, NULL, sizeof(_QERFuncTable_1), SYN_REQUIRE, &g_FuncTable);
  
  if ( !g_SynapseClient.ConfigXML( pServer, NULL, entries ) ) {
    return NULL;
  }
  
  return &g_SynapseClient;
}

bool CSynapseClientImage::RequestAPI(APIDescriptor_t *pAPI)
{
  if (!strcmp(pAPI->major_name, "image"))
  {    
    _QERPlugImageTable* pTable= static_cast<_QERPlugImageTable*>(pAPI->mpTable);
    if (!strcmp(pAPI->minor_name, "jpg"))
    {      
      pTable->m_pfnLoadImage = &LoadJPG;
      return true;
    }
    if (!strcmp(pAPI->minor_name, "tga"))
    {
      pTable->m_pfnLoadImage = &LoadImage;
      return true;
    }
    if (!strcmp(pAPI->minor_name, "pcx"))
    {
      pTable->m_pfnLoadImage = &LoadImage;
      return true;
    }
    if (!strcmp(pAPI->minor_name, "bmp"))
    {
      pTable->m_pfnLoadImage = &LoadImage;
      return true;
    }
  }

  Syn_Printf("ERROR: RequestAPI( '%s' ) not found in '%s'\n", pAPI->major_name, GetInfo());
  return false;
}

bool CSynapseClientImage::OnActivate() {
  if (!g_FileSystemTable.m_nSize) {
    Syn_Printf("ERROR: VFS_MAJOR table was not initialized before OnActivate in '%s' - incomplete synapse.config?\n", GetInfo());
    return false;
  }
  return true;
}

#include "version.h"

const char* CSynapseClientImage::GetInfo()
{
  return "image formats JPG TGA PCX BMP module built " __DATE__ " " RADIANT_VERSION;
}