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FIX: crash when tool_change is empty

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jira: none
Change-Id: Ia2d6fda6847e41054700e37a25179ae2a8d5cd46
(cherry picked from commit c38eb761c6ec5bf8013ba9f4b02ccb09985b4181)
This commit is contained in:
zhimin.zeng 2025-03-17 10:27:01 +08:00 • committed by Noisyfox
parent 9d3d0b4c4d
commit c8aa1de66f
1 changed files with 4 additions and 3 deletions
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7
src/libslic3r/GCode/WipeTower.cpp
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@ -3956,9 +3956,10 @@ void WipeTower::generate_new(std::vector<std::vector<WipeTower::ToolChangeResult
finish_layer_filament = block.last_nozzle_change_id;
}
WipeTowerBlock * last_layer_finish_block = get_block_by_category(get_filament_category(layer.tool_changes.front().old_tool), false);
if (!layer.tool_changes.empty() && last_layer_finish_block && last_layer_finish_block->block_id == block.block_id && finish_layer_filament == -1) {
finish_layer_filament = layer.tool_changes.front().old_tool;
if (!layer.tool_changes.empty()) {
WipeTowerBlock * last_layer_finish_block = get_block_by_category(get_filament_category(layer.tool_changes.front().old_tool), false);
if (last_layer_finish_block && last_layer_finish_block->block_id == block.block_id && finish_layer_filament == -1)
finish_layer_filament = layer.tool_changes.front().old_tool;
}
if (finish_layer_filament == -1) {