public void onLoad(GL10 gl, QuickTiGame2dGameView view) {
if (loaded) return;
this.view = view;
// load particle setting from Particle Designer XML
loadParticleXML();
if (gzipBase64Data != null && gzipBase64Data.length() > 0) {
view.loadTexture(gl, image, gzipBase64Data);
gzipBase64Data = "";
}
QuickTiGame2dTexture aTexture = view.getTextureFromCache(image);
// if texture is not yet cached, try to load texture here
if (aTexture == null && image != null) {
view.loadTexture(gl, image);
aTexture = view.getTextureFromCache(image);
}
if (aTexture != null) {
hasTexture = true;
if (width == 0) width = aTexture.getWidth();
if (height == 0) height = aTexture.getHeight();
}
createTextureBuffer(gl);
createQuadBuffer(gl);
if (hasTexture && !aTexture.isSnapshot()) view.onLoadSprite(this);
if (debug) GLHelper.checkError(gl);
loaded = true;
}
private void createQuadBuffer(GL10 gl10) {
GL11 gl = (GL11) gl10;
//
// quad = ([vertex x, vertex y, texture x, texture y, red, green, blue, alpha] * 4) = 8 * 4 *
// (float=4bytes) = 128 bytes
//
quads = new float[32 * maxParticles];
indices = new short[maxParticles * 6];
particles = new Particle[maxParticles];
for (int i = 0; i < maxParticles; i++) {
indices[i * 6 + 0] = (short) (i * 4 + 0);
indices[i * 6 + 1] = (short) (i * 4 + 1);
indices[i * 6 + 2] = (short) (i * 4 + 2);
indices[i * 6 + 3] = (short) (i * 4 + 2);
indices[i * 6 + 4] = (short) (i * 4 + 3);
indices[i * 6 + 5] = (short) (i * 4 + 0);
}
// initialize texture.x, texture.y
for (int i = 0; i < maxParticles; i++) {
int vi = i * 32;
quads[vi + 0] = 0; // vertex x
quads[vi + 1] = 0; // vertex y
quads[vi + 2] = 0 + getTexelHalfX(); // texture x
quads[vi + 3] = getTexture().getMaxT() + getTexelHalfY(); // texture y
quads[vi + 4] = 0; // red
quads[vi + 5] = 0; // green
quads[vi + 6] = 0; // blue
quads[vi + 7] = 0; // alpha
// -----------------------------
quads[vi + 8] = 0; // vertex x
quads[vi + 9] = 1; // vertex y
quads[vi + 10] = 0 + getTexelHalfX();
quads[vi + 11] = 0 - getTexelHalfY();
quads[vi + 12] = 0; // red
quads[vi + 13] = 0; // green
quads[vi + 14] = 0; // blue
quads[vi + 15] = 0; // alpha
// -----------------------------
quads[vi + 16] = 1; // vertex x
quads[vi + 17] = 1; // vertex y
quads[vi + 18] = getTexture().getMaxS() - getTexelHalfX();
quads[vi + 19] = 0 - getTexelHalfY();
quads[vi + 20] = 0; // red
quads[vi + 21] = 0; // green
quads[vi + 22] = 0; // blue
quads[vi + 23] = 0; // alpha
// -----------------------------
quads[vi + 24] = 1; // vertex x
quads[vi + 25] = 0; // vertex y
quads[vi + 26] = getTexture().getMaxS() - getTexelHalfX();
quads[vi + 27] = getTexture().getMaxT() + getTexelHalfY();
quads[vi + 28] = 0; // red
quads[vi + 29] = 0; // green
quads[vi + 30] = 0; // blue
quads[vi + 31] = 0; // alpha
}
quadsBuffer = GLHelper.createFloatBuffer(quads);
// Generate the vertices VBO
gl.glGenBuffers(1, verticesID, 0);
gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, verticesID[0]);
gl.glBufferData(GL11.GL_ARRAY_BUFFER, 128 * maxParticles, quadsBuffer, GL11.GL_DYNAMIC_DRAW);
gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, 0);
// By default the particle emitter is active when created
active = true;
// Set the particle count to zero
particleCount = 0;
// Reset the elapsed time
elapsedTime = 0;
indicesBuffer = GLHelper.createShortBuffer(indices);
}