docs: update roadmap with Dijkstra pathfinding progress
- Mark UIGrid TCOD Integration as completed - Document critical PyArg bug fix achievement - Update UIEntity Pathfinding to 50% complete - Add detailed progress notes for July 9 sprint work 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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ROADMAP.md
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ROADMAP.md
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- Performance stress test with 1000+ entities
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#### 2. TCOD Integration Sprint
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- [ ] **UIGrid TCOD Integration** (8 hours)
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- Add TCODMap* to UIGrid constructor
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- Implement mcrfpy.libtcod.compute_fov()
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- Add batch operations for NumPy-style access
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- Create CellView for ergonomic .at((x,y)) access
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- [ ] **UIEntity Pathfinding** (4 hours)
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- Add path_to(target) method using A*
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- Implement Dijkstra maps for multiple targets
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- Cache paths in UIEntity for performance
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- [x] **UIGrid TCOD Integration** (8 hours) ✅ COMPLETED!
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- ✅ Add TCODMap* to UIGrid constructor with proper lifecycle
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- ✅ Implement complete Dijkstra pathfinding system
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- ✅ Create mcrfpy.libtcod submodule with Python bindings
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- ✅ Fix critical PyArg bug preventing Color object assignments
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- [ ] Implement mcrfpy.libtcod.compute_fov() (still needed for tutorial)
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- [ ] Add batch operations for NumPy-style access
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- [ ] Create CellView for ergonomic .at((x,y)) access
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- [~] **UIEntity Pathfinding** (4 hours) - 50% COMPLETE
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- ✅ Implement Dijkstra maps for multiple targets in UIGrid
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- [ ] Add path_to(target) method using A* to UIEntity
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- [ ] Cache paths in UIEntity for performance
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#### 3. Performance Critical Path
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- [ ] **Implement SpatialHash** for 10,000+ entities (2 hours)
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## Recent Achievements
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### 2025-07-09: Dijkstra Pathfinding & Critical Bug Fix! 🗺️
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**TCOD Integration Sprint - Major Progress**
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- ✅ Complete Dijkstra pathfinding implementation in UIGrid
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- compute_dijkstra(), get_dijkstra_distance(), get_dijkstra_path() methods
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- Full TCODMap and TCODDijkstra integration with proper memory management
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- Comprehensive test suite with both headless and interactive demos
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- ✅ **CRITICAL FIX**: PyArg bug in UIGridPoint color setter
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- Now supports both mcrfpy.Color objects and (r,g,b,a) tuples
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- Eliminated mysterious "SystemError: new style getargs format" crashes
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- Proper error handling and exception propagation
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- ✅ mcrfpy.libtcod submodule with Python bindings
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- dijkstra_compute(), dijkstra_get_distance(), dijkstra_get_path()
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- line() function for corridor generation
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- Foundation ready for FOV implementation
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- ✅ Test consolidation: 6 broken demos → 2 clean, working versions
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### 2025-07-08: PyArgHelpers Infrastructure Complete! 🔧
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**Standardized Python API Argument Parsing**
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- Unified position handling: (x, y) tuples or separate x, y args
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