private void drawWaveform(GL10 gl, float length, float position, int color) {
position *= WAVEFORM_POSITION_SPEEDUP;
gl.glBlendFunc(GL10.GL_SRC_ALPHA, GL10.GL_ONE);
gl.glBindTexture(GL10.GL_TEXTURE_2D, m_waveformTexture);
gl.glPushMatrix();
gl.glMatrixMode(GL10.GL_TEXTURE);
gl.glTranslatef(0, -position / WAVEFORM_LENGTH, 0);
gl.glScalef(1, length / WAVEFORM_LENGTH_FACTOR, 1);
gl.glMatrixMode(GL10.GL_MODELVIEW);
gl.glScalef(WAVEFORM_WIDTH_SCALE_1, 1, length);
GLHelpers.setColor(gl, color, m_readiness);
m_waveformTexcoords.set(gl);
m_waveformVertices.set(gl);
gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, WAVEFORM_POINTS);
gl.glScalef(WAVEFORM_WIDTH_SCALE_2, 1, 1);
GLHelpers.setColor(gl, 0xFFFFFFFF, 1);
m_waveformTexcoords.set(gl);
m_waveformVertices.set(gl);
gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, WAVEFORM_POINTS);
gl.glMatrixMode(GL10.GL_TEXTURE);
gl.glLoadMatrixf(GLHelpers.IDENTITY_MATRIX, 0);
gl.glMatrixMode(GL10.GL_MODELVIEW);
gl.glPopMatrix();
gl.glBlendFunc(GL10.GL_SRC_ALPHA, GL10.GL_ONE_MINUS_SRC_ALPHA);
}
private void renderBoard(GL10 gl) {
float beatPeriod = 60000.0f / m_bpm;
float timeToUnits = BOARD_LENGTH_AHEAD / (beatPeriod * BEATS_AHEAD);
GLHelpers.setColor(gl, Config.getBaseColor(), m_readiness);
{
gl.glBindTexture(GL10.GL_TEXTURE_2D, m_stringTexture);
gl.glPushMatrix();
gl.glScalef(STRING_WIDTH, 1, BOARD_LENGTH);
gl.glTranslatef(STRING_SPACE / STRING_WIDTH, 0, +0.5f);
for (int string = 0; string != Song.STRING_COUNT; ++string) {
if (Guitar.stringsCheck(m_activeStrings, string)) {
gl.glScalef(2f, 1, 1);
}
GLHelpers.drawTextureXZ(gl);
if (Guitar.stringsCheck(m_activeStrings, string)) {
gl.glScalef(1 / 2f, 1, 1);
}
gl.glTranslatef(-STRING_SPACE / STRING_WIDTH, 0, 0);
}
gl.glPopMatrix();
}
{
gl.glBindTexture(GL10.GL_TEXTURE_2D, m_barTexture);
gl.glPushMatrix();
int beatsAhead = BEATS_AHEAD + 1;
float z = (m_position % beatPeriod) * timeToUnits;
if (z < 0) {
z = -z;
} else {
z = beatPeriod * timeToUnits - z;
}
if (z > BAR_WIDTH) {
beatsAhead -= 1;
}
gl.glTranslatef(0, 0, z + SADDLE_OFFSET);
gl.glScalef((Song.STRING_COUNT - 1) * STRING_SPACE + NOTE_HEAD_SIZE * 2, 1, BAR_WIDTH);
float dz = beatPeriod * timeToUnits / BAR_WIDTH;
for (int i = 0; i != beatsAhead; ++i) {
GLHelpers.drawTextureLineX(gl);
gl.glTranslatef(0, 0, dz);
}
gl.glPopMatrix();
}
}
private void loadWaveformResources(Context context, GL10 gl) throws IOException {
m_waveformTexture = GLHelpers.loadTexture(gl, context, R.drawable.waveform);
gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, GL10.GL_REPEAT);
gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, GL10.GL_REPEAT);
if (m_waveformVertices == null) {
ByteBuffer vertices = GLHelpers.allocateFloatBuffer(WAVEFORM_POINTS * 3);
vertices
.putFloat(+WAVEFORM_HEAD_WIDTH / 2)
.putFloat(0)
.putFloat(0)
.putFloat(-WAVEFORM_HEAD_WIDTH / 2)
.putFloat(0)
.putFloat(0)
.putFloat(+0.5f)
.putFloat(0)
.putFloat(WAVEFORM_HEAD_HEIGHT)
.putFloat(-0.5f)
.putFloat(0)
.putFloat(WAVEFORM_HEAD_HEIGHT)
.putFloat(+0.5f)
.putFloat(0)
.putFloat(1 - WAVEFORM_TAIL_HEIGHT)
.putFloat(-0.5f)
.putFloat(0)
.putFloat(1 - WAVEFORM_TAIL_HEIGHT)
.putFloat(+WAVEFORM_TAIL_WIDTH / 2)
.putFloat(0)
.putFloat(1)
.putFloat(-WAVEFORM_TAIL_WIDTH / 2)
.putFloat(0)
.putFloat(1);
ByteBuffer texcoords = GLHelpers.allocateFloatBuffer(WAVEFORM_POINTS * 2);
{
vertices.position(0);
for (int i = 0; i != WAVEFORM_POINTS; ++i) {
float x = vertices.getFloat();
/*float y=*/ vertices.getFloat();
float z = vertices.getFloat();
texcoords.putFloat(-x + 0.5f);
texcoords.putFloat(z);
}
}
m_waveformVertices = GLBufferObject.createVertices(3, GL10.GL_FLOAT, vertices);
m_waveformTexcoords = GLBufferObject.createTexcoords(2, GL10.GL_FLOAT, texcoords);
}
m_waveformVertices.bind(gl);
m_waveformTexcoords.bind(gl);
}
public void unloadResources(GL10 gl) {
if (m_stringTexture != 0) {
if (gl != null) {
GLHelpers.deleteTexture(gl, m_stringTexture);
}
m_stringTexture = 0;
}
if (m_barTexture != 0) {
if (gl != null) {
GLHelpers.deleteTexture(gl, m_barTexture);
}
m_barTexture = 0;
}
unloadWaveformResources(gl);
}
public void render(GL10 gl) {
GLHelpers.setViewport(gl, m_viewport.x, m_viewport.y, m_viewport.width, m_viewport.height);
gl.glMatrixMode(GL10.GL_PROJECTION);
gl.glLoadMatrixf(m_projectionMatrix, 0);
gl.glMatrixMode(GL10.GL_MODELVIEW);
gl.glLoadMatrixf(m_modelviewMatrix, 0);
// gl.glEnable(GL10.GL_DEPTH_TEST);
// gl.glEnable(GL10.GL_FOG);
gl.glFogfv(GL10.GL_FOG_COLOR, FOG_COLOR, 0);
gl.glFogf(GL10.GL_FOG_START, 0); // BOARD_LENGTH);
gl.glFogf(GL10.GL_FOG_END, BOARD_LENGTH);
gl.glFogx(GL10.GL_FOG_MODE, GL10.GL_LINEAR);
// m_meter.begin();
renderBoard(gl);
renderNotes(gl);
// m_meter.end();
gl.glDisable(GL10.GL_FOG);
// gl.glDisable(GL10.GL_DEPTH_TEST);
}
private void unloadWaveformResources(GL10 gl) {
if (m_waveformTexture != 0) {
if (gl != null) {
GLHelpers.deleteTexture(gl, m_waveformTexture);
}
m_waveformTexture = 0;
}
m_waveformVertices.unbind(gl);
m_waveformTexcoords.unbind(gl);
}
public void loadResources(Context context, GL10 gl) throws IOException {
m_noteMesh = new Mesh(gl, context.getAssets().open("note.mesh"));
m_stringTexture = GLHelpers.loadTexture(gl, context, R.drawable.string);
m_barTexture = GLHelpers.loadTexture(gl, context, R.drawable.bar);
loadWaveformResources(context, gl);
}
private void renderNotes(GL10 gl) {
// {
// gl.glPushMatrix();
// gl.glBindTexture(GL10.GL_TEXTURE_2D,m_stringTexture);
//
// gl.glTranslatef(STRING_SPACE,0,SADDLE_OFFSET+0.3f);
// m_fakeNote.setString(0);
// m_fakeNote.pick();
// renderNoteTail(gl,4,m_fakeNote,false);
//
// gl.glTranslatef(-STRING_SPACE,0,0);
// m_fakeNote.setString(1);
// m_fakeNote.pick();
// renderNoteTail(gl,4,m_fakeNote,false);
//
// gl.glTranslatef(-STRING_SPACE,0,0);
// m_fakeNote.setString(2);
// m_fakeNote.makeIntact();
// renderNoteTail(gl,4,m_fakeNote,false);
//
// gl.glPopMatrix();
// }
//
// {
// gl.glDisable(GL10.GL_TEXTURE_2D);
// gl.glDisableClientState(GL10.GL_VERTEX_ARRAY);
// gl.glDisableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
//
// gl.glEnable(GL10.GL_CULL_FACE);
// gl.glFrontFace(GL10.GL_CCW);
// m_noteMesh.beginRender(gl);
// gl.glEnable(GL10.GL_COLOR_MATERIAL);
//
// gl.glPushMatrix();
//
// m_fakeNote.pick();
//
// gl.glTranslatef(STRING_SPACE,0,SADDLE_OFFSET+0.3f);
// m_fakeNote.setString(0);
// renderNoteHead(gl,m_fakeNote);
//
// gl.glTranslatef(-STRING_SPACE,0,0);
// m_fakeNote.setString(1);
// renderNoteHead(gl,m_fakeNote);
//
// gl.glTranslatef(-STRING_SPACE,0,0);
// m_fakeNote.setString(2);
// renderNoteHead(gl,m_fakeNote);
//
// gl.glPopMatrix();
//
// gl.glDisable(GL10.GL_COLOR_MATERIAL);
// m_noteMesh.endRender(gl);
// gl.glDisable(GL10.GL_CULL_FACE);
//
// gl.glEnable(GL10.GL_TEXTURE_2D);
// gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
// gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
// }
//
// //gl.glDisable(GL10.GL_BLEND);
//
// if (true) return;
float beatPeriod = 60000 / m_bpm;
float timeToUnits = BOARD_LENGTH_AHEAD / (beatPeriod * BEATS_AHEAD);
gl.glBindTexture(GL10.GL_TEXTURE_2D, m_stringTexture);
GLHelpers.beginDrawTextureXZ(gl);
for (int string = 0; string != Song.STRING_COUNT; ++string) {
int color = Config.getStringColor(string);
float x = STRING_SPACE * (Song.STRING_COUNT - 1 - 2 * string) / 2;
EventList<NoteEvent> notes = m_song.getNoteEvents(string);
long range =
notes.range(
m_position - beatPeriod * SADDLE_OFFSET / BOARD_LENGTH_AHEAD * BEATS_AHEAD,
m_position + beatPeriod * BEATS_AHEAD);
int rangeBegin = EventList.rangeBegin(range);
int rangeEnd = EventList.rangeEnd(range);
for (int i = rangeBegin; i != rangeEnd; ++i) {
NoteEvent note = notes.get(i);
float z = SADDLE_OFFSET + (note.getTime() - m_position) * timeToUnits;
boolean behindSaddle = (z <= SADDLE_OFFSET);
float length = note.getLength() * timeToUnits;
gl.glPushMatrix();
gl.glTranslatef(x, 0, z);
gl.glScalef(NOTE_TAIL_WIDTH, 1, length);
gl.glTranslatef(0, 0, 0.5f);
{
float factor = (!behindSaddle || note.isUnpicked()) ? 1.0f : NOTE_SLIP_COLOR_FACTOR;
GLHelpers.setColor(gl, color, m_readiness * factor);
}
GLHelpers.doDrawTextureXZ(gl);
gl.glPopMatrix();
if (behindSaddle && note.isPicked()) {
gl.glPushMatrix();
gl.glTranslatef(x, 0, z);
float position = m_position + note.getString() * note.getTime();
drawWaveform(gl, length, position * timeToUnits, color);
gl.glPopMatrix();
gl.glBindTexture(GL10.GL_TEXTURE_2D, m_stringTexture);
GLHelpers.beginDrawTextureXZ(gl);
}
}
}
gl.glDisable(GL10.GL_TEXTURE_2D);
gl.glDisableClientState(GL10.GL_VERTEX_ARRAY);
gl.glDisableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
gl.glEnable(GL10.GL_CULL_FACE);
gl.glFrontFace(GL10.GL_CCW);
gl.glEnable(GL10.GL_COLOR_MATERIAL);
m_noteMesh.beginRender(gl);
gl.glPushMatrix();
gl.glScalef(NOTE_HEAD_SIZE, NOTE_HEAD_SIZE, NOTE_HEAD_SIZE);
float lastX = 0;
float lastZ = 0;
for (int string = 0; string != Song.STRING_COUNT; ++string) {
GLHelpers.setColor(gl, Config.getStringColor(string), m_readiness);
float x = STRING_SPACE * (Song.STRING_COUNT - 1 - 2 * string) / 2;
EventList<NoteEvent> notes = m_song.getNoteEvents(string);
long range =
notes.range(
m_position - beatPeriod * SADDLE_OFFSET / BOARD_LENGTH_AHEAD * BEATS_AHEAD,
m_position + beatPeriod * BEATS_AHEAD);
int rangeBegin = EventList.rangeBegin(range);
int rangeEnd = EventList.rangeEnd(range);
for (int i = rangeBegin; i != rangeEnd; ++i) {
NoteEvent note = notes.get(i);
float z = SADDLE_OFFSET + (note.getTime() - m_position) * timeToUnits;
if (z <= SADDLE_OFFSET) {
continue;
}
// gl.glPushMatrix();
gl.glTranslatef((x - lastX) / NOTE_HEAD_SIZE, 0, (z - lastZ) / NOTE_HEAD_SIZE);
// gl.glScalef(NOTE_HEAD_SIZE,NOTE_HEAD_SIZE,NOTE_HEAD_SIZE);
m_noteMesh.renderGeometry(gl);
lastX = x;
lastZ = z;
}
}
gl.glPopMatrix();
m_noteMesh.endRender(gl);
gl.glDisable(GL10.GL_COLOR_MATERIAL);
gl.glDisable(GL10.GL_CULL_FACE);
gl.glEnable(GL10.GL_TEXTURE_2D);
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
}