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Enhance OverworldEditor with improved selection handling and critical fix for large maps

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- Added logging for rectangle selection and tile processing to aid debugging.
- Implemented bounds checks during tile selection to prevent crashes.
- Disabled sibling refresh for large maps to avoid infinite recursion, addressing segmentation faults.
- Updated comments for clarity and future implementation considerations.
This commit is contained in:
scawful
2025-09-29 09:22:14 -04:00
parent cfd56d53ee
commit 508489cd0e
1 changed files with 27 additions and 27 deletions
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54
src/app/editor/overworld/overworld_editor.cc
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@@ -899,6 +899,8 @@ void OverworldEditor::CheckForOverworldEdits() {
if (ow_map_canvas_.select_rect_active()) {
if (ImGui::IsMouseClicked(ImGuiMouseButton_Left) ||
ImGui::IsMouseDragging(ImGuiMouseButton_Left)) {
util::logf("CheckForOverworldEdits: About to apply rectangle selection");
auto& selected_world =
(current_world_ == 0) ? overworld_.mutable_map_tiles()->light_world
: (current_world_ == 1)
@@ -923,8 +925,17 @@ void OverworldEditor::CheckForOverworldEdits() {
// Number of tiles per local map (since each tile is 16x16)
constexpr int tiles_per_local_map = local_map_size / kTile16Size;
util::logf("CheckForOverworldEdits: About to process %zu selected tiles", ow_map_canvas_.selected_tiles().size());
for (int y = start_y, i = 0; y <= end_y; y += kTile16Size) {
for (int x = start_x; x <= end_x; x += kTile16Size, ++i) {
// Bounds check to prevent crashes
if (i >= static_cast<int>(ow_map_canvas_.selected_tiles().size())) {
util::logf("ERROR: Rectangle selection index %d out of bounds (size: %zu)",
i, ow_map_canvas_.selected_tiles().size());
break;
}
// Determine which local map (512x512) the tile is in
int local_map_x = x / local_map_size;
int local_map_y = y / local_map_size;
@@ -944,7 +955,9 @@ void OverworldEditor::CheckForOverworldEdits() {
}
}
util::logf("CheckForOverworldEdits: About to call RefreshOverworldMap");
RefreshOverworldMap();
util::logf("CheckForOverworldEdits: RefreshOverworldMap completed");
}
}
}
@@ -1960,14 +1973,14 @@ void OverworldEditor::RefreshChildMapOnDemand(int map_index) {
return;
}
// Update bitmap data
maps_bmp_[map_index].set_data(map->bitmap_data());
maps_bmp_[map_index].set_modified(false);
// Validate surface synchronization to help debug crashes
if (!maps_bmp_[map_index].ValidateDataSurfaceSync()) {
util::logf("Warning: Surface synchronization issue detected for map %d", map_index);
}
// Update bitmap data
maps_bmp_[map_index].set_data(map->bitmap_data());
maps_bmp_[map_index].set_modified(false);
// Validate surface synchronization to help debug crashes
if (!maps_bmp_[map_index].ValidateDataSurfaceSync()) {
util::logf("Warning: Surface synchronization issue detected for map %d", map_index);
}
// Update texture on main thread
if (maps_bmp_[map_index].texture()) {
@@ -1978,26 +1991,13 @@ void OverworldEditor::RefreshChildMapOnDemand(int map_index) {
}
}
// Handle large maps - refresh siblings if needed
// CRITICAL FIX: Disable large map sibling refresh to prevent infinite recursion
// The large map sibling refresh logic was causing infinite recursion when
// editing map 00 (and other large maps), leading to segmentation faults.
// For now, we'll handle large maps individually to prevent crashes.
// TODO: Implement safer large map coordination without recursion
if (map->is_large_map()) {
int parent_id = map->parent();
for (int i = 1; i < 4; i++) {
int sibling_index = parent_id + i;
if (i >= 2) {
sibling_index += 6;
}
// Only refresh sibling if it's also visible
bool is_sibling_visible = (sibling_index == current_map_) ||
(sibling_index / 0x40 == current_world_);
if (is_sibling_visible) {
RefreshChildMapOnDemand(sibling_index);
} else {
// Mark sibling for deferred refresh
maps_bmp_[sibling_index].set_modified(true);
}
}
util::logf("RefreshChildMapOnDemand: Large map %d detected, skipping sibling refresh to prevent recursion", map_index);
}
}