John McCardle
94f5f5a3fd
- Fix Entity3D self-reference cycle: replace raw `self` pointer with `pyobject` strong-ref pattern matching UIEntity (closes #266) - TileLayer inherits Grid texture when none set, in all three attachment paths: constructor, add_layer(), and .grid property (closes #254) - Add SpatialHash::queryCell() for O(1) entity-at-cell lookup; fix missing spatial_hash.insert() in Entity.__init__ grid= kwarg path; use queryCell in GridPoint.entities (closes #253) - Add FOV dirty flag and parameter cache to skip redundant computeFOV calls when map unchanged and params match (closes #292) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
73 lines
2.7 KiB
Python
73 lines
2.7 KiB
Python
"""Regression test for #253: GridPoint.entities uses spatial hash for O(1) lookup."""
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import mcrfpy
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import sys
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def test_gridpoint_entities_basic():
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"""Entities at known positions are returned correctly."""
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scene = mcrfpy.Scene("test253")
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mcrfpy.current_scene = scene
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tex = mcrfpy.Texture("assets/kenney_tinydungeon.png", 16, 16)
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grid = mcrfpy.Grid(grid_size=(20, 20), texture=tex, pos=(0, 0), size=(320, 320))
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scene.children.append(grid)
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# Place entities at specific cells
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e1 = mcrfpy.Entity((5, 5), grid=grid)
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e2 = mcrfpy.Entity((5, 5), grid=grid)
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e3 = mcrfpy.Entity((10, 10), grid=grid)
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# Query cell (5, 5) - should have 2 entities
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cell_5_5 = grid.at(5, 5)
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ents = cell_5_5.entities
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assert len(ents) == 2, f"Expected 2 entities at (5,5), got {len(ents)}"
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print("PASS: 2 entities at (5,5)")
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# Query cell (10, 10) - should have 1 entity
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cell_10_10 = grid.at(10, 10)
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ents = cell_10_10.entities
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assert len(ents) == 1, f"Expected 1 entity at (10,10), got {len(ents)}"
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print("PASS: 1 entity at (10,10)")
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def test_gridpoint_entities_empty():
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"""Empty cells return empty list."""
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scene = mcrfpy.Scene("test253b")
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mcrfpy.current_scene = scene
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tex = mcrfpy.Texture("assets/kenney_tinydungeon.png", 16, 16)
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grid = mcrfpy.Grid(grid_size=(20, 20), texture=tex, pos=(0, 0), size=(320, 320))
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scene.children.append(grid)
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# No entities placed - empty cell should return empty list
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cell = grid.at(0, 0)
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ents = cell.entities
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assert len(ents) == 0, f"Expected 0 entities, got {len(ents)}"
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print("PASS: empty cell returns empty list")
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def test_gridpoint_entities_after_move():
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"""Moving an entity updates spatial hash so GridPoint.entities reflects new position."""
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scene = mcrfpy.Scene("test253c")
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mcrfpy.current_scene = scene
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tex = mcrfpy.Texture("assets/kenney_tinydungeon.png", 16, 16)
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grid = mcrfpy.Grid(grid_size=(20, 20), texture=tex, pos=(0, 0), size=(320, 320))
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scene.children.append(grid)
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e = mcrfpy.Entity((3, 3), grid=grid)
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# Verify entity is at (3, 3)
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assert len(grid.at(3, 3).entities) == 1, "Entity should be at (3,3)"
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# Move entity to (7, 7)
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e.grid_pos = (7, 7)
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# Old cell should be empty, new cell should have the entity
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assert len(grid.at(3, 3).entities) == 0, "Old cell should be empty after move"
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assert len(grid.at(7, 7).entities) == 1, "New cell should have entity after move"
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print("PASS: entity move updates spatial hash correctly")
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if __name__ == "__main__":
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test_gridpoint_entities_basic()
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test_gridpoint_entities_empty()
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test_gridpoint_entities_after_move()
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print("All #253 tests passed")
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sys.exit(0)
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