TileLayer (closes#200):
- apply_threshold(source, range, tile): Set tile index where heightmap value is in range
- apply_ranges(source, ranges): Apply multiple tile assignments in one pass
ColorLayer (closes#201):
- apply_threshold(source, range, color): Set fixed color where value is in range
- apply_gradient(source, range, color_low, color_high): Interpolate colors based on value
- apply_ranges(source, ranges): Apply multiple color assignments (fixed or gradient)
All methods return self for chaining. HeightMap size must match layer dimensions.
Later ranges override earlier ones if overlapping. Cells not matching any range are unchanged.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Rename parameters for clearer semantics:
- dig_hill: depth -> target_height
- dig_bezier: start_depth/end_depth -> start_height/end_height
The libtcod "dig" functions set terrain TO a target height, not
relative to current values. "target_height" makes this clearer.
Also add warnings for likely user errors:
- add_hill/dig_hill/dig_bezier with radius <= 0 (no-op)
- smooth with iterations <= 0 already raises ValueError
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add three methods that create NEW HeightMap objects:
- threshold(range): preserve original values where in range, 0.0 elsewhere
- threshold_binary(range, value=1.0): set uniform value where in range
- inverse(): return (1.0 - value) for each cell
These operations are immutable - they preserve the original HeightMap.
Useful for masking operations with Grid.apply_threshold/apply_ranges.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Position argument flexibility:
- get(), get_interpolated(), get_slope(), get_normal() now accept:
- Two separate args: hmap.get(5, 5)
- Tuple: hmap.get((5, 5))
- List: hmap.get([5, 5])
- Vector: hmap.get(mcrfpy.Vector(5, 5))
- Uses PyPositionHelper for standardized parsing
Subscript support:
- Add __getitem__ as shorthand for get(): hmap[5, 5] or hmap[(5, 5)]
Range validation:
- count_in_range() now raises ValueError when min > max
- count_in_range() accepts both tuple and list
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
PyWeakref_GetObject was deprecated in Python 3.13 and will be removed
in 3.15. The new PyWeakref_GetRef API returns a strong reference directly
and uses integer return codes for error handling.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add methods to apply HeightMap data to Grid walkable/transparent properties:
- apply_threshold(source, range, walkable, transparent): Apply properties
to cells where HeightMap value is in the specified range
- apply_ranges(source, ranges): Apply multiple threshold rules in one pass
Features:
- Size mismatch between HeightMap and Grid raises ValueError
- Both methods return self for chaining
- Uses dynamic type lookup via module for HeightMap type checking
- First matching range wins in apply_ranges
- Cells not matching any range remain unchanged
- TCOD map is synced after changes for FOV/pathfinding
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add methods to query HeightMap values and statistics:
- get(pos): Get height value at integer coordinates
- get_interpolated(pos): Get bilinearly interpolated height at float coords
- get_slope(pos): Get slope angle (0 to pi/2) at position
- get_normal(pos, water_level): Get surface normal vector
- min_max(): Get (min, max) tuple of all values
- count_in_range(range): Count cells with values in range
All methods include proper bounds checking and error messages.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Fixes potential integer overflow and invalid input issues:
- Add GRID_MAX constant (8192) to Common.h for global use
- Validate HeightMap dimensions against GRID_MAX to prevent
integer overflow in w*h calculations (65536*65536 = 0)
- Add min > max validation for clamp() and normalize()
- Add unit tests for all new validation cases
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Implement the foundational HeightMap class for procedural generation:
- HeightMap(size, fill=0.0) constructor with libtcod backend
- Immutable size property after construction
- Scalar operations returning self for method chaining:
- fill(value), clear()
- add_constant(value), scale(factor)
- clamp(min=0.0, max=1.0), normalize(min=0.0, max=1.0)
Includes procedural generation spec document and unit tests.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
McRogueFace needs to accept callable objects (properties on C++ objects)
and also support subclassing (getattr on user objects). Only direct
properties were supported previously, now shadowing a callback by name
will allow custom objects to "just work".
- Added CallbackCache struct and is_python_subclass flag to UIDrawable.h
- Created metaclass for tracking class-level callback changes
- Updated all UI type init functions to detect subclasses
- Modified PyScene.cpp event dispatch to try subclass methods
Scene subclasses can now define on_key(self, key, state) methods that
receive keyboard events, matching the existing on_enter, on_exit, and
update lifecycle callbacks.
Changes:
- Rename call_on_keypress to call_on_key (consistent naming with property)
- Add triggerKeyEvent helper in McRFPy_API
- Call triggerKeyEvent from GameEngine when key_callable is not set
- Fix condition to check key_callable.isNone() (not just pointer existence)
- Handle both bound methods and instance-assigned callables
Usage:
class GameScene(mcrfpy.Scene):
def on_key(self, key, state):
if key == "Escape" and state == "end":
quit_game()
Property assignment (scene.on_key = callable) still works and takes
precedence when key_callable is set via the property setter.
Includes comprehensive test: tests/unit/scene_subclass_on_key_test.py
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
After #184/#189 made GridPoint and GridPointState internal-only types,
code using PyObject_GetAttrString(mcrf_module, "GridPoint") would get
NULL and crash when dereferencing.
Fixed by using the type directly via &mcrfpydef::PyUIGridPointType
instead of looking it up in the module.
Affected functions:
- UIGrid::py_at()
- UIGridPointState::get_point()
- UIEntity::at()
- UIGridPointState_to_PyObject()
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Enhanced tp_doc strings for both layer types to include:
- What happens when grid_size=None (inherits from parent Grid)
- That layers are created via Grid.add_layer() rather than directly
- FOV-related methods for ColorLayer
- Tile index -1 meaning no tile/transparent for TileLayer
- fill_rect method documentation
- Comprehensive usage examples
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Major Timer API improvements:
- Add `stopped` flag to Timer C++ class for proper state management
- Add `start()` method to restart stopped timers (preserves callback)
- Add `stop()` method that removes from engine but preserves callback
- Make `active` property read-write (True=start/resume, False=pause)
- Add `start=True` init parameter to create timers in stopped state
- Add `mcrfpy.timers` module-level collection (tuple of active timers)
- One-shot timers now set stopped=true instead of clearing callback
- Remove deprecated `setTimer()` and `delTimer()` module functions
Timer callbacks now receive (timer, runtime) instead of just (runtime).
Updated all tests to use new Timer API and callback signature.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Changes:
- Default Grid center now positions tile (0,0) at widget's top-left corner
- Added center_camera() method to center grid's middle tile at view center
- Added center_camera((tile_x, tile_y)) to position tile at top-left of widget
- Uses NaN as sentinel to detect if user provided center values in kwargs
- Animation-compatible: center_camera() just sets center property, no special state
Behavior:
- center_camera() → grid's center tile at view center
- center_camera((0, 0)) → tile (0,0) at top-left corner
- center_camera((5, 10)) → tile (5,10) at top-left corner
Before: Grid(size=(320,240)) showed 3/4 of content off-screen (center=0,0)
After: Grid(size=(320,240)) shows tile (0,0) at top-left (center=160,120)
Closes#169🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
