4jcraft/targets/minecraft/client/renderer/texture/TextureHolder.cpp

#include "TextureHolder.h"

#include <algorithm>

#include "Stitcher.h"
#include "Texture.h"
#include "util/StringHelpers.h"

TextureHolder::TextureHolder(Texture* texture) {
    scale = 1.0f;

    this->texture = texture;
    this->width = texture->getWidth();
    this->height = texture->getHeight();

    this->rotated =
        smallestFittingMinTexel(height) > smallestFittingMinTexel(width);
}

Texture* TextureHolder::getTexture() { return texture; }

int TextureHolder::getWidth() const {
    return rotated ? smallestFittingMinTexel((int)(height * scale))
                   : smallestFittingMinTexel((int)(width * scale));
}

int TextureHolder::getHeight() const {
    return rotated ? smallestFittingMinTexel((int)(width * scale))
                   : smallestFittingMinTexel((int)(height * scale));
}

void TextureHolder::rotate() { rotated = !rotated; }

bool TextureHolder::isRotated() { return rotated; }

int TextureHolder::smallestFittingMinTexel(int input) const {
    return ((input >> Stitcher::MAX_MIPLEVEL) +
            ((input & (Stitcher::MIN_TEXEL - 1)) == 0 ? 0 : 1))
           << Stitcher::MAX_MIPLEVEL;
}

void TextureHolder::setForcedScale(int targetSize) {
    if (width <= targetSize || height <= targetSize) {
        return;
    }

    scale = (float)targetSize / std::min(width, height);
}

//@Override
std::string TextureHolder::toString() {
    return "TextureHolder{width=" + toWString(width) + ", height=" +
           toWString(height) + '}';
}

int TextureHolder::compareTo(const TextureHolder* other) const {
    int result = 0;
    if (this->getHeight() == other->getHeight()) {
        if (this->getWidth() == other->getWidth()) {
            if (texture->getName().empty()) {
                return other->texture->getName().empty() ? 0 : -1;
            }
            return texture->getName().compare(other->texture->getName());
        }
        result = this->getWidth() < other->getWidth() ? 1 : -1;
    } else {
        result = this->getHeight() < other->getHeight() ? 1 : -1;
    }
    return result;
}