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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;
}