OpenMiner/source/gui/InventoryWidget.cpp
2018-06-21 13:05:05 +02:00

68 lines
2.3 KiB
C++

/*
* =====================================================================================
*
* Filename: InventoryWidget.cpp
*
* Description:
*
* Created: 21/06/2018 01:09:20
*
* Author: Quentin Bazin, <quent42340@gmail.com>
*
* =====================================================================================
*/
#include "InventoryWidget.hpp"
void InventoryWidget::update(const Inventory &inventory) {
m_itemWidgets.clear();
for (u16 y = 0 ; y < inventory.height() ; ++y)
for (u16 x = 0 ; x < inventory.width() ; ++x)
m_itemWidgets.emplace_back(inventory.items().at(x + y * inventory.width()), this).setPosition(x * 18, y * 18, 0);
m_width = inventory.width() * 18;
m_height = inventory.height() * 18;
m_inventoryWidth = inventory.width();
m_inventoryHeight = inventory.height();
}
void InventoryWidget::onEvent(const SDL_Event &event) {
if (event.type == SDL_MOUSEBUTTONDOWN && event.button.button == SDL_BUTTON_LEFT) {
for (std::size_t i = 0 ; i < m_itemWidgets.size() ; ++i) {
if (m_itemWidgets[i].isPointInWidget(event.button.x / 3.0, event.button.y / 3.0) && (int)i != m_selectedItem) {
if (m_selectedItem == -1 && m_itemWidgets[i].item() != 0) {
m_selectedItem = i;
m_itemWidgets.at(m_selectedItem).setPosition(event.button.x / 3 - getPosition().x - m_parent->getPosition().x - 8,
event.button.y / 3 - getPosition().y - m_parent->getPosition().y - 8, 0);
}
else if (m_selectedItem != -1) {
m_itemWidgets.at(m_selectedItem).setPosition((i % m_inventoryWidth) * 18,
(i / m_inventoryWidth) * 18, 0);
m_selectedItem = -1;
}
}
}
}
if (event.type == SDL_MOUSEMOTION && m_selectedItem != -1) {
m_itemWidgets.at(m_selectedItem).setPosition(event.motion.x / 3 - getPosition().x - m_parent->getPosition().x - 8,
event.motion.y / 3 - getPosition().y - m_parent->getPosition().y - 8, 0);
}
}
void InventoryWidget::draw(RenderTarget &target, RenderStates states) const {
applyTransform(states);
for (std::size_t i = 0 ; i < m_itemWidgets.size() ; ++i) {
if ((int)i != m_selectedItem)
target.draw(m_itemWidgets[i], states);
}
if (m_selectedItem != -1)
target.draw(m_itemWidgets[m_selectedItem], states);
}