Picking

src/field3d.cpp

@@ -27,6 +27,8 @@
 
 #include <QGLPixelBuffer>
 
+#include <QDebug>
+
 #include <math.h>
 
 template<typename T>
@@ -51,7 +53,7 @@ namespace toruschess {
 	  m_textureBuffer(0), m_textureID(0),
 	  m_camDist(5) ,m_camRotX(45), m_camRotY(0), m_camRotZ(0),
 	  m_originX(0), m_originY(0), m_mouseLastX(0), m_mouseLastY(0),
-	  m_skySphere(0), m_skyTextureID(0),
+	  m_skySphere(0), m_skyTextureID(0), m_skyTimerID(0), m_skyOffset(0),
 	  m_pickTextureID(0) {
 		qDebug("Field3d::Field3D");
 		for (int x = 0; x < 8; x++) for (int y = 0; y < 8; y++) m_marked[x][y] = false;
@@ -108,6 +110,8 @@ namespace toruschess {
 		connect(m_game, SIGNAL(updated()), this, SLOT(fieldUpdated()));
 		
 		m_pickBuffer = new QGLPixelBuffer(QSize(1024, 1024));
+		
+		m_skyTimerID = startTimer(20);
 	}
 	
 	void Field3D::resizeGL(int w, int h) {
@@ -130,7 +134,12 @@ namespace toruschess {
 			glDisable(GL_FOG);
 			glDisable(GL_LIGHTING);
 			glBindTexture(GL_TEXTURE_2D, m_skyTextureID);
+			glMatrixMode(GL_TEXTURE);
+			glPushMatrix();
+			glTranslatef(m_skyOffset, 0, 0);
 			gluSphere(m_skySphere, 256, 64, 64);
+			glMatrixMode(GL_TEXTURE);
+			glPopMatrix();
 			glEnable(GL_LIGHTING);
 			
 			double ox = 2.0*(m_originX/(double)m_textureSize), oy = 2.0*(m_originY/(double)m_textureSize);
@@ -163,6 +172,7 @@ namespace toruschess {
 			const int repeat = 10;
 			double ox = -2.0*(m_originX/(double)m_textureSize), oy = 2.0*(m_originY/(double)m_textureSize);
 			glEnable(GL_FOG);
+			glEnable(GL_LIGHTING);
 			glBindTexture(GL_TEXTURE_2D, m_textureID);
 			glBegin(GL_QUADS);
 				glTexCoord2f(-repeat+ox,  repeat+oy); glVertex3f(-10*repeat, 0, -10*repeat);
@@ -175,28 +185,12 @@ namespace toruschess {
 		glBindTexture(GL_TEXTURE_2D, 0);
 	}
 	
-	Pos Field3D::findPos(int mx, int my) {
-		m_pickBuffer->makeCurrent();
-		
-		glClearColor(0.0, 0.0, 0.0, 0.0);
-		glEnable(GL_DEPTH_TEST);
-		
-		glViewport(0, 0, 1024, 1024);
-		glMatrixMode(GL_PROJECTION);
-		glLoadIdentity();
-		gluPerspective(90.0, double(width())/height(), 0.01, 1000);
-		
+	bool Field3D::findPos(int mx, int my, Pos &p) {
+		glDisable(GL_FOG);
+		glDisable(GL_LIGHTING);
 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 		glEnable(GL_TEXTURE_2D);
 		
-		glMatrixMode(GL_MODELVIEW);
-		glLoadIdentity();
-		
-		glTranslatef(0, 0, -m_camDist);
-		glRotatef(m_camRotX,1,0,0);
-		glRotatef(m_camRotY,0,1,0);
-		glRotatef(m_camRotZ,0,0,1);
-		
 		if (m_boardMode == TORUS) {
 			double ox = 2.0*(m_originX/(double)m_textureSize), oy = 2.0*(m_originY/(double)m_textureSize);
 			glBindTexture(GL_TEXTURE_2D, m_pickTextureID);
@@ -238,11 +232,12 @@ namespace toruschess {
 		glDisable(GL_TEXTURE_2D);
 		glBindTexture(GL_TEXTURE_2D, 0);
 		
-		m_pickBuffer->doneCurrent();
-		QImage i = m_pickBuffer->toImage();
-		QRgb col = i.pixel((1024*mx)/width(), (1024*my)/height());
-		qDebug << QColor(col);
-		return Pos(qRed(col), qGreen(col));
+		unsigned char pxbuf[3];
+		glReadPixels(mx, height() - 1 - my, 1, 1, GL_RGB, GL_UNSIGNED_BYTE, &pxbuf);
+		paintGL();
+		qDebug() << pxbuf[0] << pxbuf[1];
+		p = Pos(pxbuf[0] - 50, pxbuf[1] - 50);
+		return pxbuf[0] >= 50;
 	}
 	
 	
@@ -275,9 +270,10 @@ namespace toruschess {
 			for (int x = 0; x < 8; x++)
 			for (int y = 0; y < 8; y++) {
 				QRect prect(x * pieceSize, y * pieceSize, pieceSize - 1, pieceSize - 1);
-				pt.fillRect(prect, QBrush(QColor(x,y,0)));
+				pt.fillRect(prect, QBrush(QColor(x+50,y+50,50)));
 			}
 			m_pickTextureID = bindTexture(*pickimage);
+// 			delete pickimage;
 		}
 		
 /*		glBindTexture(GL_TEXTURE_2D, m_textureID);
@@ -346,8 +342,9 @@ namespace toruschess {
 	void Field3D::mousePressEvent(QMouseEvent *event) {
 		if (event->button() == Qt::LeftButton) {
 			QList<Move> moves;
-			Pos p = findPos(event->x(), event->y());
-			moves = m_game->field()->validMoves(p);
+			Pos p;
+			if (findPos(event->x(), event->y(), p))
+				moves = m_game->field()->validMoves(p);
 			markMoves(moves);
 			updateTexture();
 			updateGL();
@@ -375,13 +372,15 @@ namespace toruschess {
 		m_mouseLastX = event->x();
 		m_mouseLastY = event->y();
 		if (event->button() == Qt::LeftButton) {
-/*			if (m_markedMoves.size() == 0) return;
+			if (m_markedMoves.size() == 0) return;
 			Pos from = m_markedMoves[0].from();
 			QList<Move> moves;
 			markMoves(QList<Move>());
-			Pos p = findPos(event->x(), event->y());
-			Move m(m_game->field(), from, p);
-			m_game->move(m);*/
+			Pos p;
+			if (findPos(event->x(), event->y(), p)) {
+				Move m(m_game->field(), from, p);
+				m_game->move(m);
+			}
 		}
 	}
 	
@@ -401,4 +400,11 @@ namespace toruschess {
 		updateTexture();
 		updateGL();
 	}
+	
+	void Field3D::timerEvent(QTimerEvent *) {
+		m_skyOffset = rotate<double>(m_skyOffset + 0.001, 1);
+		if (m_boardMode == TORUS)
+			updateGL();
+	}
+	
 }

src/field3d.h

@@ -60,6 +60,8 @@ namespace toruschess {
 		virtual void mouseReleaseEvent(QMouseEvent *event);
 		virtual void wheelEvent(QWheelEvent *event);
 		
+		virtual void timerEvent(QTimerEvent *event);
+		
 	protected slots:
 		void fieldUpdated();
 		
@@ -70,7 +72,7 @@ namespace toruschess {
 		void freeTexture();
 		void updateTexture();
 		
-		Pos findPos(int mx, int my);
+		bool findPos(int mx, int my, Pos &p);
 		
 		Game *m_game;
 		PieceLibrary *m_lib;
@@ -93,6 +95,8 @@ namespace toruschess {
 		/* skybox */
 		GLUquadric *m_skySphere;
 		GLuint m_skyTextureID;
+		int m_skyTimerID;
+		double m_skyOffset;
 		
 		/* Pick */
 		GLuint m_pickTextureID;

src/src.pro

@@ -34,3 +34,5 @@ CONFIG -= release
 
 FORMS += optiondlg.ui
 
+DISTFILES += ../README
+