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Author SHA1 Message Date
John McCardle
109bc21d90 Grid/GridView API unification: mcrfpy.Grid now returns GridView, closes #252 
mcrfpy.Grid() now creates a GridView that internally owns a GridData (UIGrid).
The old UIGrid type is renamed to _GridData (internal). Attribute access on Grid
delegates to the underlying UIGrid via tp_getattro/tp_setattro, so all existing
Grid properties (grid_w, grid_h, entities, cells, layers, etc.) work transparently.

Key changes:
- GridView init has two modes: factory (Grid(grid_size=...)) and explicit view
  (Grid(grid=existing_grid, ...)) for future multi-view support
- Entity.grid getter returns GridView wrapper via owning_view back-reference
- Entity.grid setter accepts GridView objects
- GridLayer set_grid handles GridView (extracts underlying UIGrid)
- UIDrawable::removeFromParent handles UIGRIDVIEW type correctly
- UIFrame children init accepts GridView objects
- Animation system supports GridView (center, zoom, shader.* properties)
- PythonObjectCache registration preserves subclass identity
- All 263 tests pass (100%)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-04-04 04:34:11 -04:00
John McCardle
c1a9523ac2 Add collision label support for pathfinding (closes #302) 
Add `collide` kwarg to Grid.find_path() and Grid.get_dijkstra_map() that
treats entities bearing a given label as impassable obstacles via
mark-and-restore on the TCOD walkability map. Dijkstra cache key now
includes collide label for separate caching. Add Entity.find_path()
convenience method that delegates to the grid.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-04-02 01:34:19 -04:00
John McCardle
13d5512a41 Phase 4.1: Extract GridData base class from UIGrid (#252, #270, #271, #277) 
Extract all grid data members and methods into GridData base class.
UIGrid now inherits from both UIDrawable (rendering) and GridData (state).

- GridData holds: grid dimensions, cell storage (flat/chunked), entities,
  spatial hash, TCOD map, FOV state, Dijkstra caches, layers, cell
  callbacks, children collection
- GridData provides: at(), syncTCODMap/Cell(), computeFOV(), isInFOV(),
  layer management (add/remove/sort/getByName), initStorage()
- UIGrid retains: texture, box, sprites, renderTexture, camera (center,
  zoom, rotation), fill_color, perspective, cell hover/click dispatch,
  all Python API static methods, render()

Fix dangling parent_grid pointers: change UIGrid* to GridData* in
GridLayer, UIGridPoint, GridChunk, ChunkManager (closes #270, closes
#271, closes #277). All 258 tests pass unchanged.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-16 07:45:12 -04:00