78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
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"""Regression test for #295: Entity cell_pos integer logical position."""
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import mcrfpy
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import sys
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def test_cell_pos_init():
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"""cell_pos initialized from grid_pos on construction."""
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e = mcrfpy.Entity((5, 7))
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assert e.cell_x == 5, f"cell_x should be 5, got {e.cell_x}"
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assert e.cell_y == 7, f"cell_y should be 7, got {e.cell_y}"
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print("PASS: cell_pos initialized from constructor")
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def test_cell_pos_grid_pos_alias():
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"""grid_pos is an alias for cell_pos."""
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e = mcrfpy.Entity((3, 4))
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# grid_pos should match cell_pos
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assert e.grid_pos.x == e.cell_pos.x
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assert e.grid_pos.y == e.cell_pos.y
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# Setting grid_pos should update cell_pos
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e.grid_pos = (10, 20)
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assert e.cell_x == 10
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assert e.cell_y == 20
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print("PASS: grid_pos aliases cell_pos")
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def test_cell_pos_independent_from_draw_pos():
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"""cell_pos does not change when draw_pos (float position) changes."""
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e = mcrfpy.Entity((5, 5))
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# Change draw_pos (float position for rendering)
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e.draw_pos = (5.5, 5.5)
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# cell_pos should be unchanged
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assert e.cell_x == 5, f"cell_x should still be 5 after draw_pos change, got {e.cell_x}"
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assert e.cell_y == 5, f"cell_y should still be 5 after draw_pos change, got {e.cell_y}"
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print("PASS: cell_pos independent from draw_pos")
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def test_cell_pos_spatial_hash():
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"""GridPoint.entities uses cell_pos for matching."""
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scene = mcrfpy.Scene("test295")
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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((5, 5), grid=grid)
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# Entity should appear at cell (5, 5)
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assert len(grid.at(5, 5).entities) == 1
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# Move cell_pos to (10, 10)
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e.cell_pos = (10, 10)
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assert len(grid.at(5, 5).entities) == 0, "Old cell should be empty"
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assert len(grid.at(10, 10).entities) == 1, "New cell should have entity"
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print("PASS: spatial hash uses cell_pos")
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def test_cell_pos_member_access():
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"""cell_x and cell_y read/write correctly."""
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e = mcrfpy.Entity((3, 7))
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assert e.cell_x == 3
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assert e.cell_y == 7
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e.cell_x = 15
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assert e.cell_x == 15
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assert e.cell_y == 7 # y unchanged
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e.cell_y = 20
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assert e.cell_x == 15 # x unchanged
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assert e.cell_y == 20
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print("PASS: cell_x/cell_y member access")
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if __name__ == "__main__":
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test_cell_pos_init()
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test_cell_pos_grid_pos_alias()
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test_cell_pos_independent_from_draw_pos()
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test_cell_pos_spatial_hash()
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test_cell_pos_member_access()
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print("All #295 tests passed")
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sys.exit(0)
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