xxx

src/field3d.cpp

@@ -77,6 +77,9 @@ namespace toruschess {
 	void Field3D::paintGL() {
 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 		
+// 		m_lib->paint_pawn();
+// 		return;
+		
 		glBindTexture(GL_TEXTURE_2D, m_textureID);
 		glEnable(GL_TEXTURE_2D);
 		{

src/media.qrc

@@ -12,5 +12,6 @@
         <file alias="chess_10.svg">../media/Chess_rdt45.svg</file>
         <file alias="chess_11.svg">../media/Chess_qdt45.svg</file>
         <file alias="chess_12.svg">../media/Chess_kdt45.svg</file>
+        <file alias="pawn.3ds">../media/pawn.3ds</file>
     </qresource>
 </RCC>

src/piecelibrary.cpp

@@ -20,15 +20,125 @@
 #include "piecelibrary.h"
 
 #include <QPainter>
+#include <QResource>
+
+#include <lib3ds/io.h>
+#include <lib3ds/mesh.h>
+
+#include <GL/gl.h>
 
 namespace toruschess {
+typedef Lib3dsBool (*Lib3dsIoErrorFunc)(void *self);
+typedef long (*Lib3dsIoSeekFunc)(void *self, long offset, Lib3dsIoSeek origin);
+typedef long (*Lib3dsIoTellFunc)(void *self);
+typedef size_t (*Lib3dsIoReadFunc)(void *self, void *buffer, size_t size);
+typedef size_t (*Lib3dsIoWriteFunc)(void *self, const void *buffer, size_t size);
+
+	Lib3dsBool io3ds_error(void *self);
+	long io3ds_seek(void *self, long offset, Lib3dsIoSeek origin);
+	long io3ds_tell(void *self);
+	size_t io3ds_read(void *self, void *buffer, size_t size);
+	size_t io3ds_write(void *self, const void *buffer, size_t size);
+
+	class IO3ds {
+	public:
+		IO3ds(const QByteArray &data) : m_data(data), m_offset(0) {
+			m_io = lib3ds_io_new(this, io3ds_error, io3ds_seek, io3ds_tell, io3ds_read, io3ds_write);
+		}
+		~IO3ds() {
+			lib3ds_io_free(m_io);
+		}
+		
+		long seek(long offset, Lib3dsIoSeek origin) {
+			switch (origin) {
+			case LIB3DS_SEEK_SET:
+				m_offset = offset;
+				break;
+			case LIB3DS_SEEK_CUR:
+				m_offset += offset;
+				break;
+			case LIB3DS_SEEK_END:
+				m_offset = m_data.length() + offset;
+				break;
+			}
+			return 0;
+		}
+		
+		long tell() { return m_offset; }
+		size_t read(void *buffer, size_t size) {
+			qDebug("read (size %i): data-len = %i, offset = %i", (int) size, m_data.length(), (int) m_offset);
+			if (m_offset >= m_data.length()) return 0;
+			size_t r = qMin(size, (size_t) m_data.length() - m_offset);
+			memcpy(buffer, m_data.constData() + m_offset, r);
+			m_offset += r;
+			qDebug("read: done with %i", (int) r);
+			return r;
+		}
+		size_t write(const void *, size_t ) {
+			return 0;
+		}
+		Lib3dsBool error() {
+			qDebug("3ds error");
+			return true;
+		}
+		
+		Lib3dsIo* io() { return m_io; }
+		
+	private:
+		Lib3dsIo *m_io;
+		QByteArray m_data;
+		long m_offset;
+	};
+
+	Lib3dsBool io3ds_error(void *self) {
+		IO3ds *s = (IO3ds*) self;
+		return s->error();
+	}
+	long io3ds_seek(void *self, long offset, Lib3dsIoSeek origin) {
+		IO3ds *s = (IO3ds*) self;
+		return s->seek(offset, origin);
+	}
+	long io3ds_tell(void *self) {
+		IO3ds *s = (IO3ds*) self;
+		return s->tell();
+	}
+	size_t io3ds_read(void *self, void *buffer, size_t size) {
+		IO3ds *s = (IO3ds*) self;
+		return s->read(buffer, size);
+	}
+	size_t io3ds_write(void *self, const void *buffer, size_t size) {
+		IO3ds *s = (IO3ds*) self;
+		return s->write(buffer, size);
+	}
+
+
+	Lib3dsFile *read_3ds(const QByteArray &data) {
+		return lib3ds_file_load("media/pawn.3ds");
+		IO3ds io(data);
+		Lib3dsFile *f = lib3ds_file_new();
+		if (!lib3ds_file_read(f, io.io())) {
+			qDebug("data size: %i", (int) data.size());
+			lib3ds_file_free(f);
+			return NULL;
+		}
+		return f;
+	}
+
+	QByteArray loadResource(const QString &filename) {
+		QResource res(filename);
+		qDebug("res size: %i", (int) res.size());
+		return QByteArray((const char*) res.data(), (int) res.size());
+	}
+
 
 	PieceLibrary::PieceLibrary(QObject *parent)
 	: QObject(parent), m_pieces(0), m_buffers(0) {
+		m_pawn = read_3ds(loadResource(":/media/pawn.3ds"));
 		setSize(45, 45);
 	}
 	
 	PieceLibrary::~PieceLibrary() {
+		lib3ds_file_free(m_pawn);
 		delete [] m_pieces;
 		delete [] m_buffers;
 	}
@@ -69,4 +179,14 @@ namespace toruschess {
 		pt.drawImage(rect, *m_buffers[place-1]);
 	}
 	
+	
+	void PieceLibrary::paint_pawn() {
+		glEnableClientState(GL_VERTEX_ARRAY);
+		glVertexPointer(3,GL_FLOAT,0,m_pawn->meshes->pointL);
+		for (unsigned int i = 0; i < m_pawn->meshes->faces; i++) {
+			glDrawElements(GL_TRIANGLES, 3, GL_UNSIGNED_SHORT, m_pawn->meshes->faceL[i].points);
+		}
+		glDisableClientState(GL_VERTEX_ARRAY);
+	}
+	
 }

src/piecelibrary.h

@@ -22,6 +22,8 @@
 
 #include <QSvgRenderer>
 
+#include <lib3ds/file.h>
+
 /**
 	@author Stefan Bühler <stbuehler@web.de>
 */
@@ -40,10 +42,14 @@ namespace toruschess {
 		void paint(QPainter &pt, int place) const;
 		void paint(QPainter &pt, int place, const QRect &rect) const;
 		
+		void paint_pawn();
+		
 	private:
 		QSvgRenderer **m_pieces;
 		QImage **m_buffers;
 		int m_width, m_height;
+		
+		Lib3dsFile *m_pawn;
 	};
 
 }

src/src.pro

@@ -23,3 +23,5 @@ toruschess.h \
  field3d.h
 CONFIG -= release
 
+LIBS += -l3ds
+