/**************************************************************************** Copyright (C) 2002-2008 Gilles Debunne. All rights reserved. This file is part of the QGLViewer library version 2.3.9. http://www.libqglviewer.com - contact@libqglviewer.com This file may be used under the terms of the GNU General Public License versions 2.0 or 3.0 as published by the Free Software Foundation and appearing in the LICENSE file included in the packaging of this file. In addition, as a special exception, Gilles Debunne gives you certain additional rights, described in the file GPL_EXCEPTION in this package. libQGLViewer uses dual licensing. Commercial/proprietary software must purchase a libQGLViewer Commercial License. This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *****************************************************************************/ #include "board.h" #include <qgl.h> #include <QGLViewer/vec.h> using namespace qglviewer; void Board::draw() const { for (int i=0; i<sizeX_; ++i) for (int j=0; j<sizeY_; ++j) { QPoint p(i,j); if (stateOf(p) != HOLE) { Board::drawBlock(i,j); if (stateOf(p) != EMPTY) drawPiece(p, stateOf(p) == BLUE); } } } void Board::drawShadows() const { glDisable(GL_LIGHTING); glEnable(GL_BLEND); for (int i=0; i<sizeX_; ++i) for (int j=0; j<sizeY_; ++j) { QPoint p(i,j); if ((stateOf(p) != HOLE) && (stateOf(p) != EMPTY)) drawShadow(p); } glDisable(GL_BLEND); } void Board::drawBlock(int i, int j) { static const float thickness = 0.6f; glPushMatrix(); glTranslatef(i, j, 0.0f); if ((i+j)%2) glColor3f(0.5, 0.5, 0.5); else glColor3f(0.7f, 0.7f, 0.7f); glBegin(GL_QUADS); // Top glNormal3f(0.0, 0.0, 1.0); glVertex2i(0, 0); glVertex2i(1, 0); glVertex2i(1, 1); glVertex2i(0, 1); // Sides glNormal3f(0.0, -1.0, 0.0); glVertex3f(0, 0, 0.0); glVertex3f(0, 0, -thickness); glVertex3f(1, 0, -thickness); glVertex3f(1, 0, 0.0); glNormal3f(1.0, 0.0, 0.0); glVertex3f(1, 0, 0.0); glVertex3f(1, 0, -thickness); glVertex3f(1, 1, -thickness); glVertex3f(1, 1, 0.0); glNormal3f(0.0, 1.0, 0.0); glVertex3f(1, 1, 0.0); glVertex3f(1, 1, -thickness); glVertex3f(0, 1, -thickness); glVertex3f(0, 1, 0.0); glNormal3f(-1.0, 0.0, 0.0); glVertex3f(0, 1, 0.0); glVertex3f(0, 1, -thickness); glVertex3f(0, 0, -thickness); glVertex3f(0, 0, 0.0); glEnd(); glDisable(GL_LIGHTING); glLineWidth(2.0); glColor3f(0.3f, 0.3f, 0.3f); glBegin(GL_LINE_LOOP); glVertex3f(0.0, 0.0, 0.004f); glVertex3f(1.0, 0.0, 0.004f); glVertex3f(1.0, 1.0, 0.004f); glVertex3f(0.0, 1.0, 0.004f); glEnd(); glEnable(GL_LIGHTING); glPopMatrix(); } void Board::drawSquare(const QPoint& p) { glPushMatrix(); glTranslatef(p.x(), p.y(), 0.001f); glBegin(GL_QUADS); glNormal3f(0.0, 0.0, 1.0); glVertex2i(0, 0); glVertex2i(1, 0); glVertex2i(1, 1); glVertex2i(0, 1); glEnd(); glPopMatrix(); } static qglviewer::Vec posOf(const QPoint& p) { return qglviewer::Vec(p.x()+0.5,p.y()+0.5,0.0); }; void Board::drawPiece(const QPoint& p, bool blue) { glPushMatrix(); Vec pos = posOf(p); glTranslatef(pos.x, pos.y, pos.z); drawPiece(blue); glPopMatrix(); } void Board::drawFlippingPieces(const QPoint& p, bool flip) const { for (int i=-1; i<=1; ++i) for (int j=-1; j<=1; ++j) { const QPoint q(p.x()+i, p.y()+j); if (isValid(q) && stateOf(q) == Board::blueColor(!bluePlays())) drawPiece(q, flip ^ bluePlays()); } } void Board::drawPiece(bool blue) { static GLUquadric* quadric = gluNewQuadric(); if (blue) glColor3f(0.4f, 0.4f, 1.0); else glColor3f(1.0, 0.4f, 0.4f); gluCylinder(quadric, 0.3, 0.2, 0.6, 12, 1); glTranslatef(0.0f, 0.0f, 0.6f); gluDisk(quadric, 0.0, 0.2, 12, 1); } void Board::drawShadow(const QPoint& p) { static GLUquadric* quadric = gluNewQuadric(); glPushMatrix(); glColor4f(0.4f, 0.4f, 0.4f, 0.5); const Vec pos = posOf(p); const Vec dir = pos.unit(); glTranslatef(pos.x+0.1f*dir.x, pos.y+0.1f*dir.y, 0.004f); gluDisk(quadric, 0.0, 0.37, 12, 1); glPopMatrix(); } void Board::drawSelectedPiece(int piece) const { const QPoint sp = pointFromInt(piece); glEnable(GL_BLEND); glColor4f(0.3f, 0.9f, 0.3f, 0.8f); Board::drawSquare(sp); glDisable(GL_BLEND); } void Board::drawPossibleDestinations(int piece, bool select) const { glEnable(GL_BLEND); const QPoint sp = pointFromInt(piece); bool blue = stateOf(sp) == Board::BLUE; for (int i=-2; i<=2; ++i) for (int j=-2; j<=2; ++j) { const QPoint p(sp.x()+i,sp.y()+j); if (isValid(p) && stateOf(p) == Board::EMPTY) { if (select) glPushName((intFromPoint(p))); else { bool close = ((abs(i) < 2) && (abs(j) < 2)); if (blue) if (close) glColor3f(0.3f, 0.3f, 1.0); else glColor3f(0.5, 0.5, 1.0); else if (close) glColor3f(1.0, 0.3f, 0.3f); else glColor3f(1.0, 0.5, 0.5); } Board::drawSquare(p); if (select) glPopName(); } } glDisable(GL_BLEND); } void Board::drawSelectablePieces() const { for (int i=0; i<sizeX_; ++i) for (int j=0; j<sizeY_; ++j) { QPoint p(i,j); if ((stateOf(p) == Board::blueColor(bluePlays())) && (pieceCanMove(p))) { glPushName(intFromPoint(p)); drawPiece(p, true); drawSquare(p); glPopName(); } } }