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/*  Project nGenEx
    Destroyer Studios LLC
    Copyright © 1997-2004. All Rights Reserved.

    SUBSYSTEM:    nGenEx.lib
    FILE:         Skin.cpp
    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Classes for rendering solid meshes of polygons
*/

#include "MemDebug.h"
#include "Skin.h"
#include "Solid.h"

void  Print(const char* fmt, ...);

// +--------------------------------------------------------------------+

Skin::Skin(const char* n)
{
   if (n && *n) {
      strncpy_s(name, n, NAMELEN);
      name[NAMELEN-1] = 0;
   }

   else {
      ZeroMemory(name, NAMELEN);
   }

   ZeroMemory(path, 256);
}

// +--------------------------------------------------------------------+

Skin::~Skin()
{
   cells.destroy();
}

// +--------------------------------------------------------------------+

void
Skin::SetName(const char* n)
{
   if (n && *n) {
      strncpy_s(name, n, NAMELEN);
      name[NAMELEN-1] = 0;
   }
}

void
Skin::SetPath(const char* n)
{
   if (n && *n) {
      strncpy_s(path, n, 256);
      path[255] = 0;
   }

   else {
      ZeroMemory(path, 256);
   }
}

// +--------------------------------------------------------------------+

void
Skin::AddMaterial(const Material* mtl)
{
   if (!mtl) return;

   bool found = false;

   ListIter<SkinCell> iter = cells;
   while (++iter && !found) {
      SkinCell* s = iter.value();

      if (s->skin && !strcmp(s->skin->name, mtl->name)) {
         s->skin = mtl;
         found   = true;
      }
   }

   if (!found) {
      SkinCell* s = new(__FILE__,__LINE__) SkinCell(mtl);
      cells.append(s);
   }
}

// +--------------------------------------------------------------------+

void
Skin::ApplyTo(Model* model) const
{
   if (model) {
      for (int i = 0; i < cells.size(); i++) {
         SkinCell* s = cells[i];

         if (s->skin) {
            s->orig = model->ReplaceMaterial(s->skin);
         }
      }
   }
}

void
Skin::Restore(Model* model) const
{
   if (model) {
      for (int i = 0; i < cells.size(); i++) {
         SkinCell* s = cells[i];

         if (s->orig) {
            model->ReplaceMaterial(s->orig);
            s->orig = 0;
         }
      }
   }
}

// +--------------------------------------------------------------------+
// +--------------------------------------------------------------------+
// +--------------------------------------------------------------------+

SkinCell::SkinCell(const Material* mtl)
   : skin(mtl), orig(0)
{
}

SkinCell::~SkinCell()
{
   delete skin;
}

// +--------------------------------------------------------------------+

int
SkinCell::operator == (const SkinCell& other) const
{
   if (skin == other.skin)
      return true;

   if (skin && other.skin)
      return !strcmp(skin->name, other.skin->name);

   return false;
}

// +--------------------------------------------------------------------+

const char*
SkinCell::Name() const
{
   if (skin)
      return skin->name;

   return "Invalid Skin Cell";
}

// +--------------------------------------------------------------------+

void
SkinCell::SetSkin(const Material* mtl)
{
   skin = mtl;
}

void
SkinCell::SetOrig(const Material* mtl)
{
   orig = mtl;
}