134 lines
3.9 KiB
C++

/*
* =====================================================================================
*
* OpenMiner
*
* Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
* Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
*
* This file is part of OpenMiner.
*
* OpenMiner is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* OpenMiner is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with OpenMiner; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* =====================================================================================
*/
#include <glm/gtc/matrix_transform.hpp>
#include <gk/core/GameClock.hpp>
#include "ClientCommandHandler.hpp"
#include "ClientPlayer.hpp"
#include "Config.hpp"
#include "Events.hpp"
#include "HUD.hpp"
HUD::HUD(ClientPlayer &player, ClientWorld &world, ClientCommandHandler &client)
: m_hotbar(player.inventory()),
m_blockCursor(player, world, client),
m_debugOverlay(player, world),
m_chat(client.client())
{
setScale(Config::guiScale, Config::guiScale, 1);
m_shader.createProgram();
m_shader.addShader(GL_VERTEX_SHADER, "resources/shaders/basic.v.glsl");
m_shader.addShader(GL_FRAGMENT_SHADER, "resources/shaders/basic.f.glsl");
m_shader.linkProgram();
setup();
}
void HUD::setup() {
m_orthoMatrix = glm::ortho(0.0f, (float)Config::screenWidth, (float)Config::screenHeight, 0.0f, DIST_2D_FAR, DIST_2D_NEAR);
m_hotbar.setPosition(Config::screenWidth / getScale().x / 2 - m_hotbar.width() / 2, Config::screenHeight / getScale().y - m_hotbar.height(), 0);
m_blockInfoWidget.setPosition(Config::screenWidth / getScale().x / 2 - m_blockInfoWidget.width() / 2, 2, 0);
m_fpsText.setPosition(Config::screenWidth / getScale().x - 36, 2);
m_crosshair.setup();
}
void HUD::onEvent(const SDL_Event &event) {
if (event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_F3)
m_isDebugOverlayVisible ^= 1;
if (Config::isHotbarVisible)
m_hotbar.onEvent(event);
m_blockCursor.onEvent(event, m_hotbar);
}
void HUD::onGuiScaleChanged(const GuiScaleChangedEvent &event) {
setScale(event.guiScale, event.guiScale, 1);
setup();
}
void HUD::update() {
// FIXME: Shouldn't be called every tick
if (Config::isHotbarVisible)
m_hotbar.update();
if (Config::isFpsCounterEnabled)
m_fpsText.setText(std::to_string(gk::GameClock::getInstance().getFpsAverage()) + " FPS");
m_blockCursor.update(m_hotbar);
if (m_isDebugOverlayVisible)
m_debugOverlay.update();
if (Config::isBlockInfoWidgetEnabled) {
m_blockInfoWidget.update();
if (m_blockCursor.currentBlock() != m_blockInfoWidget.currentBlock())
m_blockInfoWidget.setCurrentBlock(m_blockCursor.currentBlock());
}
}
void HUD::draw(gk::RenderTarget &target, gk::RenderStates states) const {
target.draw(m_blockCursor, states);
target.disableView();
states.shader = &m_shader;
states.projectionMatrix = m_orthoMatrix;
states.viewMatrix = gk::Transform::Identity;
states.vertexAttributes = gk::VertexAttribute::Only2d;
states.transform *= getTransform();
if (m_isDebugOverlayVisible)
target.draw(m_debugOverlay, states);
if (Config::isBlockInfoWidgetEnabled)
target.draw(m_blockInfoWidget, states);
if (Config::isHotbarVisible)
target.draw(m_hotbar, states);
if (Config::isFpsCounterEnabled)
target.draw(m_fpsText, states);
target.draw(m_chat, states);
states.transform = gk::Transform::Identity;
if (Config::isCrosshairVisible)
target.draw(m_crosshair, states);
}