private FancyDial(TextureAtlasSprite icon, PropertiesFile properties) {
this.icon = icon;
this.properties = properties;
name = IconAPI.getIconName(icon);
x0 = IconAPI.getIconX0(icon);
y0 = IconAPI.getIconY0(icon);
width = IconAPI.getIconWidth(icon);
height = IconAPI.getIconHeight(icon);
scratchBuffer = ByteBuffer.allocateDirect(4 * width * height);
int itemsTexture = TexturePackAPI.getTextureIfLoaded(TexturePackAPI.ITEMS_PNG);
if (itemsTexture < 0) {
logger.severe("could not get items texture");
return;
}
itemsFBO = new FBO(itemsTexture, x0, y0, width, height);
if (useScratchTexture) {
logger.fine("rendering %s to %dx%d scratch texture", name, width, height);
for (int i = 0; i < scratchFBO.length; i++) {
scratchFBO[i] = new FBO(width, height);
}
} else {
logger.fine("rendering %s directly to atlas", name);
}
boolean debug = false;
for (int i = 0; ; i++) {
Layer layer = newLayer(properties, "." + i);
if (layer == null) {
if (i > 0) {
break;
}
continue;
}
layers.add(layer);
debug |= layer.debug;
logger.fine(" new %s", layer);
}
keyboard = new InputHandler(name, debug);
if (layers.size() < 2) {
logger.error("custom %s needs at least two layers defined", name);
return;
}
outputFrames = properties.getInt("outputFrames", 0);
int glError = GL11.glGetError();
if (glError != 0) {
logger.severe("%s during %s setup", GLU.gluErrorString(glError), name);
return;
}
ok = true;
}
private boolean render(boolean itemFrameRenderer) {
if (!ok) {
return false;
}
if (!itemFrameRenderer) {
boolean changed = true;
if (!keyboard.isEnabled()) {
changed = false;
} else if (keyboard.isKeyPressed(Keyboard.KEY_NUMPAD2)) {
scaleYDelta -= STEP;
} else if (keyboard.isKeyPressed(Keyboard.KEY_NUMPAD8)) {
scaleYDelta += STEP;
} else if (keyboard.isKeyPressed(Keyboard.KEY_NUMPAD4)) {
scaleXDelta -= STEP;
} else if (keyboard.isKeyPressed(Keyboard.KEY_NUMPAD6)) {
scaleXDelta += STEP;
} else if (keyboard.isKeyPressed(Keyboard.KEY_DOWN)) {
offsetYDelta += STEP;
} else if (keyboard.isKeyPressed(Keyboard.KEY_UP)) {
offsetYDelta -= STEP;
} else if (keyboard.isKeyPressed(Keyboard.KEY_LEFT)) {
offsetXDelta -= STEP;
} else if (keyboard.isKeyPressed(Keyboard.KEY_RIGHT)) {
offsetXDelta += STEP;
} else if (keyboard.isKeyPressed(Keyboard.KEY_MULTIPLY)) {
scaleXDelta = scaleYDelta = offsetXDelta = offsetYDelta = 0.0f;
} else {
changed = false;
}
if (changed) {
logger.info("");
logger.info("scaleX %+f", scaleXDelta);
logger.info("scaleY %+f", scaleYDelta);
logger.info("offsetX %+f", offsetXDelta);
logger.info("offsetY %+f", offsetYDelta);
lastAngle = ANGLE_UNSET;
}
if (outputFrames > 0) {
writeCustomImage();
outputFrames = 0;
}
}
double angle = getAngle(icon);
if (!useScratchTexture) {
// render directly to items.png
if (angle != lastAngle) {
renderToItems(angle);
lastAngle = angle;
}
} else if (itemFrameRenderer) {
// look in itemFrames cache first
ByteBuffer buffer = itemFrames.get(angle);
if (buffer == null) {
logger.fine("rendering %s at angle %f for item frame", name, angle);
buffer = ByteBuffer.allocateDirect(width * height * 4);
renderToItems(angle);
itemsFBO.read(buffer);
itemFrames.put(angle, buffer);
} else {
itemsFBO.write(buffer);
}
lastItemFrameRenderer = true;
} else if (lastAngle == ANGLE_UNSET) {
// first time rendering - render all N copies
for (FBO fbo : scratchFBO) {
renderToFB(angle, fbo);
}
scratchFBO[0].read(scratchBuffer);
itemsFBO.write(scratchBuffer);
lastAngle = angle;
scratchIndex = 0;
} else if (lastItemFrameRenderer || angle != lastAngle) {
// render to buffer i + 1
// update items.png from buffer i
int nextIndex = (scratchIndex + 1) % NUM_SCRATCH_TEXTURES;
if (angle != lastAngle) {
renderToFB(angle, scratchFBO[nextIndex]);
scratchFBO[scratchIndex].read(scratchBuffer);
}
itemsFBO.write(scratchBuffer);
lastAngle = angle;
scratchIndex = nextIndex;
lastItemFrameRenderer = false;
}
int glError = GL11.glGetError();
if (glError != 0) {
logger.severe("%s during %s update", GLU.gluErrorString(glError), name);
ok = false;
}
return ok;
}