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@ -207,6 +207,7 @@ void ChannelGroups::scan(bool full_scan) {
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if (!full_scan && !block->flags.bits.designated) {
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continue;
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}
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df::map_block* block_above = Maps::getBlock(bx, by, z+1);
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// foreach tile
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bool empty_group = true;
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for (int16_t lx = 0; lx < 16; ++lx) {
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@ -221,14 +222,13 @@ void ChannelGroups::scan(bool full_scan) {
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}
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block->designation[lx][ly].bits.dig = df::tile_dig_designation::No;
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} else if (is_dig_designation(block->designation[lx][ly]) || block->occupancy[lx][ly].bits.dig_marked ) {
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if (!is_channel_designation(block->designation[lx][ly])) {
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if (df::map_block* block_above = Maps::getBlock(bx, by, z+1)) {
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if (!is_channel_designation(block_above->designation[lx][ly])) {
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// dig designation without a channel above it, we can skip this.
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// We have a dig designated, or marked. Some of these will not need intervention.
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if (block_above &&
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!is_channel_designation(block->designation[lx][ly]) &&
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!is_channel_designation(block_above->designation[lx][ly])) {
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// if this tile isn't a channel designation, and doesn't have a channel designation above it.. we can skip it
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continue;
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}
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}
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}
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for (df::block_square_event* event: block->block_events) {
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if (auto evT = virtual_cast<df::block_square_event_designation_priorityst>(event)) {
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// we want to let the user keep some designations free of being managed
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