Method SetAttributesTransitions

src/transition.cpp:122–175

}

void Transition::SetAttributesTransitions() {
	int w, h, beg_i, mid_i, end_i, length;

	zoom_position = std::vector<int>(2);
	random_blocks = std::vector<uint32_t>(Player::screen_width * Player::screen_height / (size_random_blocks * size_random_blocks));
	for (uint32_t i = 0; i < random_blocks.size(); i++) {
		random_blocks[i] = i;
	}

	switch (transition_type) {
	case TransitionRandomBlocks:
		random_block_transition = Bitmap::Create(Player::screen_width, Player::screen_height, true);
		current_blocks_print = 0;
		std::shuffle(random_blocks.begin(), random_blocks.end(), Rand::GetRNG());
		break;
	case TransitionRandomBlocksDown:
	case TransitionRandomBlocksUp:
		random_block_transition = Bitmap::Create(Player::screen_width, Player::screen_height, true);
		current_blocks_print = 0;
		if (transition_type == TransitionRandomBlocksUp) { std::reverse(random_blocks.begin(), random_blocks.end()); }

		w = Player::screen_width / 4;
		h = Player::screen_height / 4;
		length = 10;
		for (int i = 0; i < h - 1; i++) {
			end_i = (i < length ? 2 * i + 1 : i <= h - length ? i + length : (i + h) / 2) * w;
			std::shuffle(random_blocks.begin() + i * w, random_blocks.begin() + end_i, Rand::GetRNG());

			beg_i = i * w + (i % 2 == 0 ? 0 : 2);
			mid_i = i * w + (i % 2 == 0 ? 1 : 3) + (i > h * 2 / 3 ? 3 : 0);
			if (transition_type == TransitionRandomBlocksDown) {
				std::partial_sort(random_blocks.begin() + beg_i, random_blocks.begin() + mid_i, random_blocks.begin() + end_i);
			}
			else { std::partial_sort(random_blocks.begin() + beg_i, random_blocks.begin() + mid_i, random_blocks.begin() + end_i, std::greater<uint32_t>()); }
		}
		break;
	case TransitionZoomIn:
	case TransitionZoomOut:
		if (scene != nullptr && scene->type == Scene::Map) {
			auto map = static_cast<Scene_Map*>(scene);

			zoom_position[0] = std::max(0, std::min(Main_Data::game_player->GetScreenX() + map->spriteset->GetRenderOx(), (int)Player::screen_width));
			zoom_position[1] = std::max(0, std::min(Main_Data::game_player->GetScreenY() - 8 + map->spriteset->GetRenderOy(), (int)Player::screen_height));
		}
		else {
			zoom_position[0] = Player::screen_width / 2;
			zoom_position[1] = Player::screen_height / 2;
		}
		break;
	default:
		// do nothing, keep the compiler happy
		break;
	}
}

void Transition::Draw(Bitmap& dst) {
	if (!IsActive())