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path: root/src/UsersSidePanel.cpp
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#include "../include/UsersSidePanel.hpp"
#include "../include/ChannelTopPanel.hpp"
#include "../include/ResourceCache.hpp"
#include "../include/Settings.hpp"
#include "../include/Channel.hpp"
#include "../include/ColorScheme.hpp"
#include "../include/Gif.hpp"
#include <SFML/Graphics/RectangleShape.hpp>
#include <SFML/Graphics/CircleShape.hpp>
#include <SFML/Graphics/Sprite.hpp>
#include <SFML/Graphics/Text.hpp>
#include <vector>
#include <cmath>

using namespace std;

namespace dchat
{
    const float WIDTH = 250.0f;
    const unsigned int FONT_SIZE = 20;
    
    const float AVATAR_DIAMETER = 40.0f;
    const float AVATAR_PADDING_SIDE = 10.0f;
    const float PADDING_BOTTOM = 20.0f;
    
    void UsersSidePanel::draw(sf::RenderWindow &window, Cache &cache)
    {
        float posY = ChannelTopPanel::getHeight();
        auto windowSize = window.getSize();
        sf::RectangleShape rect(sf::Vector2f(getWidth(), windowSize.y - ChannelTopPanel::getHeight()));
        rect.setFillColor(ColorScheme::getPanelColor());
        rect.setPosition(windowSize.x - getWidth(), posY);
        //window.draw(rect);
        
        Channel *currentChannel = Channel::getCurrent();
        if(!currentChannel) return;
        
        const sf::Font *font = ResourceCache::getFont("fonts/Roboto-Regular.ttf");
        sf::Vector2f position(rect.getPosition().x + 10.0f, posY);
        
        // TODO: Remove this shit
        sf::String str = "Online - ";
        str += to_string(currentChannel->getUsers().size());
        sf::Text text(str, *font, FONT_SIZE * Settings::getScaling() * 1.0f);
        text.setPosition(position);
        text.setFillColor(ColorScheme::getTextRegularColor() * sf::Color(255, 255, 255, 100));
        window.draw(text);
        position.y += floor(font->getLineSpacing(text.getCharacterSize()));
        position.y += (PADDING_BOTTOM * Settings::getScaling());
        
        sf::Shader *circleShader = ResourceCache::getShader("shaders/circleMask.glsl", sf::Shader::Fragment);
        const float textHeight = font->getLineSpacing(FONT_SIZE * Settings::getScaling());
        
        for(User *user : currentChannel->getUsers())
        {
            // Max avatar size = 1mb
            const ContentByUrlResult avatarResult = cache.getContentByUrl(user->avatarUrl, 1024 * 1024);
            if(avatarResult.type == ContentByUrlResult::Type::CACHED)
            {
                circleShader->setUniform("texture", sf::Shader::CurrentTexture);
                
                if(avatarResult.cachedType == ContentByUrlResult::CachedType::TEXTURE)
                {
                    // TODO: Store this sprite somewhere, might not be efficient to create a new sprite object every frame
                    sf::Sprite sprite(*avatarResult.texture);
                    auto textureSize = avatarResult.texture->getSize();
                    sprite.setPosition(sf::Vector2f(floor(position.x), floor(position.y)));
                    sprite.setScale(sf::Vector2f(AVATAR_DIAMETER * Settings::getScaling() / (float)textureSize.x, AVATAR_DIAMETER * Settings::getScaling() / (float)textureSize.y));
                    window.draw(sprite, circleShader);
                }
                else if(avatarResult.cachedType == ContentByUrlResult::CachedType::GIF)
                {
                    auto gifSize = avatarResult.gif->getSize();
                    avatarResult.gif->setPosition(sf::Vector2f(floor(position.x), floor(position.y)));
                    avatarResult.gif->setScale(sf::Vector2f(AVATAR_DIAMETER * Settings::getScaling() / (float)gifSize.x, AVATAR_DIAMETER * Settings::getScaling() / (float)gifSize.y));
                    avatarResult.gif->draw(window, circleShader);
                }
            }
            else
            {
                sf::CircleShape avatarCircle(AVATAR_DIAMETER * 0.5f * Settings::getScaling(), 60 * Settings::getScaling());
                avatarCircle.setPosition(sf::Vector2f(floor(position.x), floor(position.y)));
                avatarCircle.setFillColor(ColorScheme::getBackgroundColor() + sf::Color(30, 30, 30));
                window.draw(avatarCircle);
            }
            
            // TODO: Remove this shit
            sf::String str = sf::String::fromUtf8(user->getName().begin(), user->getName().end());
            sf::Text text(str, *font, FONT_SIZE * Settings::getScaling());
            text.setPosition(floor(position.x + (AVATAR_DIAMETER + AVATAR_PADDING_SIDE) * Settings::getScaling()), floor(position.y + AVATAR_DIAMETER * 0.5f - textHeight * 0.5f));
            text.setFillColor(sf::Color(15, 192, 252));
            window.draw(text);
            position.y += ((AVATAR_DIAMETER + PADDING_BOTTOM) * Settings::getScaling());
        }
    }
    
    float UsersSidePanel::getWidth()
    {
        return floor(WIDTH * Settings::getScaling());
    }
}