bool Scene::scanSpots() {
bool foundAction = false;
// Check if the current node has spots to draw, and also if
// we aren't dragging the view
if (_canDrawSpots) {
Node* currentNode = _currentRoom->currentNode();
// Check if the current node is enabled
if (currentNode->isEnabled()) {
renderManager.disableAlpha();
renderManager.disableTextures();
// First pass: draw the colored spots
currentNode->beginIteratingSpots();
do {
Spot* spot = currentNode->currentSpot();
if (spot->hasColor() && spot->isEnabled()) {
renderManager.setColor(spot->color());
renderManager.drawPolygon(spot->arrayOfCoordinates(), spot->face());
}
} while (currentNode->iterateSpots());
// Second pass: test the color under the cursor and
// set action, if available
// FIXME: Should unify the checks here a bit more...
if (!cursorManager.isDragging() && !cursorManager.onButton()) {
Point position = cursorManager.position();
uint32_t color = renderManager.testColor(position.x, position.y);
if (color) {
currentNode->beginIteratingSpots();
do {
Spot* spot = currentNode->currentSpot();
if (color == spot->color()) {
cursorManager.setAction(*spot->action());
foundAction = true;
if (_hoveredSpot != spot) {
if (_hoveredSpot && _hoveredSpot->hasOnUnhoverCallback()) {
Script::instance().processCallback(_hoveredSpot->onUnhoverCallback(),
_hoveredSpot->luaObject());
}
_hoveredSpot = spot;
if (spot->hasOnHoverCallback()) {
Script::instance().processCallback(spot->onHoverCallback(), spot->luaObject());
}
}
break;
}
} while (currentNode->iterateSpots());
}
if (!foundAction) {
if (_hoveredSpot && _hoveredSpot->hasOnUnhoverCallback()) {
Script::instance().processCallback(_hoveredSpot->onUnhoverCallback(),
_hoveredSpot->luaObject());
}
_hoveredSpot = nullptr;
cursorManager.removeAction();
if (cameraManager.isPanning())
cursorManager.setCursor(cameraManager.cursorWhenPanning());
else cursorManager.setCursor(kCursorNormal);
}
}
renderManager.enableAlpha();
renderManager.enableTextures();
}
}
renderManager.clearView();
if (foundAction) return true;
else return false;
}
