4jcraft/targets/minecraft/client/gui/ControlsScreen.cpp

#include "ControlsScreen.h"

#include <vector>

#include "SmallButton.h"
#include "minecraft/client/Minecraft.h"
#include "minecraft/client/Options.h"
#include "minecraft/client/gui/Button.h"
#include "minecraft/client/gui/Screen.h"
#include "minecraft/locale/Language.h"

ControlsScreen::ControlsScreen(Screen* lastScreen, Options* options) {
    // 4J - added initialisers
    title = "Controls";
    selectedKey = -1;

    this->lastScreen = lastScreen;
    this->options = options;
}

int ControlsScreen::getLeftScreenPosition() { return width / 2 - 155; }

void ControlsScreen::init() {
    Language* language = Language::getInstance();

    int leftPos = getLeftScreenPosition();
    for (int i = 0; i < Options::keyMappings_length; i++) {
        buttons.push_back(new SmallButton(
            i, leftPos + i % 2 * ROW_WIDTH, height / 6 + 24 * (i >> 1),
            BUTTON_WIDTH, 20, options->getKeyMessage(i)));
    }

    buttons.push_back(new Button(200, width / 2 - 100, height / 6 + 24 * 7,
                                 language->getElement("gui.done")));
    title = language->getElement("controls.title");
}

void ControlsScreen::buttonClicked(Button* button) {
    for (int i = 0; i < Options::keyMappings_length; i++) {
        buttons[i]->msg = options->getKeyMessage(i);
    }
    if (button->id == 200) {
        minecraft->setScreen(lastScreen);
    } else {
        selectedKey = button->id;
        button->msg = "> " + options->getKeyMessage(button->id) + " <";
    }
}

void ControlsScreen::keyPressed(char eventCharacter, int eventKey) {
    if (selectedKey >= 0) {
        options->setKey(selectedKey, eventKey);
        buttons[selectedKey]->msg = options->getKeyMessage(selectedKey);
        selectedKey = -1;
    } else {
        Screen::keyPressed(eventCharacter, eventKey);
    }
}

void ControlsScreen::render(int xm, int ym, float a) {
    renderBackground();
    drawCenteredString(font, title, width / 2, 20, 0xffffff);

    int leftPos = getLeftScreenPosition();
    for (int i = 0; i < Options::keyMappings_length; i++) {
        drawString(font, options->getKeyDescription(i),
                   leftPos + i % 2 * ROW_WIDTH + BUTTON_WIDTH + 6,
                   height / 6 + 24 * (i >> 1) + 7, 0xffffffff);
    }

    Screen::render(xm, ym, a);
}