/*
** animtexture.cpp
**
**---------------------------------------------------------------------------
** Copyright 2020 Christoph Oelckers
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
**    notice, this list of conditions and the following disclaimer.
** 2. 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.
** 3. The name of the author may not be used to endorse or promote products
**    derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
**---------------------------------------------------------------------------
**
**
*/
#include "animtexture.h"
#include "bitmap.h"

//==========================================================================
//
//
//
//==========================================================================

void AnimTexture::SetSize(int width, int height)
{
    Size.x = width;
    Size.y = height;
	Image.Resize(width*height);
}

void AnimTexture::SetFrame(const uint8_t *palette, const void *data_)
{
	memcpy(Palette, palette, 768);
	memcpy(Image.Data(), data_, Size.x * Size.y);
    DeleteHardwareTextures();
}

//===========================================================================
//
// FPNGTexture::CopyPixels
//
//===========================================================================

FBitmap AnimTexture::GetBgraBitmap(const PalEntry* remap, int* trans)
{
    FBitmap bmp;

    bmp.Create(Size.x, Size.y);

    auto spix = Image.Data();
    auto dpix = bmp.GetPixels();
    for (int i = 0; i < Size.x * Size.y; i++)
    {
        int p = i * 4;
		int index = spix[i];
        dpix[p + 0] = Palette[index*3+2];
        dpix[p + 1] = Palette[index*3+1];
        dpix[p + 2] = Palette[index*3];
        dpix[p + 3] = 255;
    }
    return bmp;
}

//==========================================================================
//
//
//
//==========================================================================

AnimTextures::AnimTextures()
{
	active = 1;
	tex[0] = new AnimTexture;
	tex[1] = new AnimTexture;
}

AnimTextures::~AnimTextures()
{
	delete tex[0];
	delete tex[1];
}

void AnimTextures::SetSize(int width, int height)
{
	tex[0]->SetSize(width, height);
	tex[1]->SetSize(width, height);
}
    
void AnimTextures::SetFrame(const uint8_t *palette, const void* data)
{
	active ^= 1;
	tex[active]->SetFrame(palette, data);
}

FTexture * AnimTextures::GetFrame()
{
	return tex[active];
}