155 lines
4.9 KiB
C++
155 lines
4.9 KiB
C++
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/***************************************************************************
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* Copyright (C) 2009 by Stefan Bühler *
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* stbuehler@web.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include "field3d.h"
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#include <QPainter>
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#include <GL/gl.h>
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namespace toruschess {
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Field3D::Field3D(Game *game, QWidget *parent)
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: QGLWidget(QGLFormat(QGL::DoubleBuffer | QGL::DepthBuffer | QGL::Rgba), parent), m_game(game), m_lib(new PieceLibrary(this)),
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m_textureBuffer(0), m_textureID(0),
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m_camDist(10) ,m_camRotX(90), m_camRotY(0), m_camRotZ(0) {
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qDebug("Field3d::Field3D");
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for (int x = 0; x < 8; x++) for (int y = 0; y < 8; y++) m_marked[x][y] = false;
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m_lib->setSize(m_textureSize / 8, m_textureSize / 8);
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}
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Field3D::~Field3D() {
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qDebug("Field3d::~Field3D");
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freeTexture();
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}
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void Field3D::markMoves(const QList<Move> &moves) {
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foreach(Move m, m_markedMoves) m_marked[m.to().x()][m.to().y()] = false;
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m_markedMoves = moves;
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foreach(Move m, m_markedMoves) m_marked[m.to().x()][m.to().y()] = true;
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updateTexture();
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updateGL();
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}
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QSize Field3D::sizeHint() const {
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return QSize(640, 480);
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}
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void Field3D::initializeGL() {
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_CULL_FACE);
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glEnable(GL_BLEND);
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glBlendFunc(GL_ONE,GL_ONE_MINUS_SRC_ALPHA);
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createTexture();
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createTorus();
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}
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void Field3D::resizeGL(int w, int h) {
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glViewport(0, 0, (GLint)w, (GLint)h);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(90.0, double(w)/h, 1, 1000);
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updateCam();
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}
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void Field3D::paintGL() {
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glBindTexture(GL_TEXTURE_2D, m_textureID);
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glEnable(GL_TEXTURE_2D);
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glBegin(GL_QUADS);
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glTexCoord2f(0, 1); glVertex3f(-10, 0, -10);
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glTexCoord2f(0, 0); glVertex3f(-10, 0, 10);
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glTexCoord2f(1, 0); glVertex3f( 10, 0, 10);
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glTexCoord2f(1, 1); glVertex3f( 10, 0, -10);
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glEnd();
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glDisable(GL_TEXTURE_2D);
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glBindTexture(GL_TEXTURE_2D, 0);
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}
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void Field3D::updateCam() {
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glTranslatef(0, 0, -m_camDist);
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glRotatef(m_camRotX,1,0,0);
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glRotatef(m_camRotY,0,1,0);
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glRotatef(m_camRotZ,0,0,1);
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updateGL();
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}
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void Field3D::createTexture() {
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freeTexture();
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m_textureBuffer = new QImage(QSize(m_textureSize, m_textureSize), QImage::Format_ARGB32_Premultiplied);
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m_textureBuffer->fill(Qt::black);
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glBindTexture(GL_TEXTURE_2D, m_textureID);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
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updateTexture();
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m_textureID = bindTexture(*m_textureBuffer);
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}
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void Field3D::freeTexture() {
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if (m_textureID != 0) {
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deleteTexture(m_textureID);
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m_textureID = 0;
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}
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if (m_textureBuffer) {
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delete m_textureBuffer;
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m_textureBuffer = 0;
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}
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}
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void Field3D::updateTexture() {
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QPainter pt(m_textureBuffer);
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int pieceSize = m_textureSize / 8;
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for (int x = 0; x < 8; x++)
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for (int y = 0; y < 8; y++) {
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bool marked = m_marked[x][y];
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int place = m_game->field()->place(Pos(x, y));
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/* #D18B47 for dark, #FFCE9E for white */
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QBrush fieldBG = ((x+y) % 2 == 1) ? QBrush(QColor(0xD1, 0x8B, 0x47)) : QBrush(QColor(0xFF, 0xCE, 0x9E));
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QRect prect(x * pieceSize, y * pieceSize, pieceSize - 1, pieceSize - 1);
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pt.fillRect(prect, fieldBG);
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m_lib->paint(pt, place, prect);
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if (marked) {
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int r = qMax(1, (pieceSize + pieceSize) / 36);
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pt.setBrush(place != 0 ? Qt::green : Qt::white);
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pt.setPen(Qt::red);
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pt.drawEllipse(QPoint(prect.x() + pieceSize / 2, prect.y() + pieceSize / 2), r, r);
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}
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}
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}
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}
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