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https://github.com/panda3d/panda3d.git
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203 lines
6.9 KiB
Python
203 lines
6.9 KiB
Python
from panda3d import core
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# Some dummy textures we can use for our texture attributes.
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stage1 = core.TextureStage("stage1")
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stage2 = core.TextureStage("stage2")
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stage3 = core.TextureStage("stage3")
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tex1 = core.Texture("tex1")
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tex2 = core.Texture("tex2")
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tex3 = core.Texture("tex3")
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def test_textureattrib_compose_empty():
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# Tests a case in which a child node does not alter the original.
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tattr1 = core.TextureAttrib.make()
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tattr1 = tattr1.add_on_stage(stage1, tex1)
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tattr2 = core.TextureAttrib.make()
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tattr3 = tattr1.compose(tattr2)
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assert tattr3.get_num_on_stages() == 1
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assert stage1 in tattr3.on_stages
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def test_textureattrib_compose_add():
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# Tests a case in which a child node adds another texture.
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tattr1 = core.TextureAttrib.make()
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tattr1 = tattr1.add_on_stage(stage1, tex1)
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tattr2 = core.TextureAttrib.make()
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tattr2 = tattr2.add_on_stage(stage2, tex2)
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tattr3 = tattr1.compose(tattr2)
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assert tattr3.get_num_on_stages() == 2
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assert stage1 in tattr3.on_stages
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assert stage2 in tattr3.on_stages
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def test_textureattrib_compose_override():
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# Tests a case in which a child node overrides a texture.
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tattr1 = core.TextureAttrib.make()
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tattr1 = tattr1.add_on_stage(stage1, tex1)
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tattr2 = core.TextureAttrib.make()
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tattr2 = tattr2.add_on_stage(stage1, tex2)
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tattr3 = tattr1.compose(tattr2)
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assert tattr3.get_num_on_stages() == 1
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assert stage1 in tattr3.on_stages
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assert tattr3.get_on_texture(stage1) == tex2
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def test_textureattrib_compose_subtract():
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# Tests a case in which a child node disables a texture.
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tattr1 = core.TextureAttrib.make()
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tattr1 = tattr1.add_on_stage(stage1, tex1)
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tattr1 = tattr1.add_on_stage(stage2, tex2)
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tattr2 = core.TextureAttrib.make()
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tattr2 = tattr2.add_off_stage(stage3)
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tattr2 = tattr2.add_off_stage(stage2)
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tattr3 = tattr1.compose(tattr2)
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assert tattr3.get_num_on_stages() == 1
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assert stage1 in tattr3.on_stages
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assert stage2 not in tattr3.on_stages
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assert stage3 not in tattr3.on_stages
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def test_textureattrib_compose_both():
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# Tests a case in which a child node both enables and disables a texture.
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tattr1 = core.TextureAttrib.make()
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tattr1 = tattr1.add_on_stage(stage1, tex1)
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tattr1 = tattr1.add_on_stage(stage2, tex2)
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tattr2 = core.TextureAttrib.make()
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tattr2 = tattr2.add_on_stage(stage3, tex3)
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tattr2 = tattr2.add_on_stage(stage1, tex1)
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tattr2 = tattr2.add_off_stage(stage2)
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tattr3 = tattr1.compose(tattr2)
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assert tattr3.get_num_on_stages() == 2
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assert stage1 in tattr3.on_stages
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assert stage2 not in tattr3.on_stages
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assert stage3 in tattr3.on_stages
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def test_textureattrib_implicit_sort():
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# Tests that two TextureStages with same sort retain insertion order.
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tattr1 = core.TextureAttrib.make()
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tattr1 = tattr1.add_on_stage(stage1, tex1)
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tattr1 = tattr1.add_on_stage(stage2, tex2)
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assert tattr1.get_on_stage(0) == stage1
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assert tattr1.get_on_stage(1) == stage2
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tattr2 = core.TextureAttrib.make()
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tattr2 = tattr1.add_on_stage(stage2, tex2)
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tattr2 = tattr1.add_on_stage(stage1, tex1)
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assert tattr2.get_on_stage(0) == stage2
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assert tattr2.get_on_stage(1) == stage1
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assert tattr1.compare_to(tattr2) == -tattr2.compare_to(tattr1)
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def test_textureattrib_compose_alloff():
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# Tests a case in which a child node disables all textures.
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tattr1 = core.TextureAttrib.make()
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tattr1 = tattr1.add_on_stage(stage1, tex1)
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tattr1 = tattr1.add_on_stage(stage2, tex2)
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assert tattr1.get_num_on_stages() == 2
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tattr2 = core.TextureAttrib.make_all_off()
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assert tattr2.has_all_off()
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tattr3 = tattr1.compose(tattr2)
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assert tattr3.get_num_on_stages() == 0
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assert tattr3.get_num_off_stages() == 0
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assert tattr3.has_all_off()
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def test_textureattrib_compare():
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tattr1 = core.TextureAttrib.make()
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tattr2 = core.TextureAttrib.make()
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assert tattr1.compare_to(tattr2) == 0
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# All-off should not compare equal to empty
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tattr2 = core.TextureAttrib.make_all_off()
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assert tattr1.compare_to(tattr2) != 0
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assert tattr2.compare_to(tattr1) != 0
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assert tattr2.compare_to(tattr1) == -tattr1.compare_to(tattr2)
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# Empty stage is not the same as a single off stage
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tattr1 = core.TextureAttrib.make()
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tattr2 = core.TextureAttrib.make()
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tattr2 = tattr2.add_off_stage(stage1)
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assert tattr1.compare_to(tattr2) != 0
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assert tattr2.compare_to(tattr1) != 0
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assert tattr2.compare_to(tattr1) == -tattr1.compare_to(tattr2)
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# All-off stage is not the same as a single off stage
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tattr1 = core.TextureAttrib.make_all_off()
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tattr2 = core.TextureAttrib.make()
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tattr2 = tattr2.add_off_stage(stage1)
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assert tattr1.compare_to(tattr2) != 0
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assert tattr2.compare_to(tattr1) != 0
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assert tattr2.compare_to(tattr1) == -tattr1.compare_to(tattr2)
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# Different off stages are non-equal
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tattr1 = core.TextureAttrib.make_all_off()
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tattr1 = tattr2.add_off_stage(stage1)
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tattr2 = core.TextureAttrib.make()
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tattr2 = tattr2.add_off_stage(stage2)
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assert tattr1.compare_to(tattr2) != 0
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assert tattr2.compare_to(tattr1) != 0
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assert tattr2.compare_to(tattr1) == -tattr1.compare_to(tattr2)
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# If both have a different texture, but same stage, they are not equal
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tattr1 = core.TextureAttrib.make()
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tattr1 = tattr1.add_on_stage(stage1, tex1)
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tattr2 = core.TextureAttrib.make()
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tattr2 = tattr2.add_on_stage(stage1, tex2)
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assert tattr1.compare_to(tattr2) != 0
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assert tattr2.compare_to(tattr1) != 0
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assert tattr2.compare_to(tattr1) == -tattr1.compare_to(tattr2)
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# If both have the same texture, but different stage, they are not equal
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tattr1 = core.TextureAttrib.make()
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tattr1 = tattr1.add_on_stage(stage1, tex1)
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tattr2 = core.TextureAttrib.make()
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tattr2 = tattr2.add_on_stage(stage2, tex2)
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assert tattr1.compare_to(tattr2) != 0
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assert tattr2.compare_to(tattr1) != 0
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assert tattr2.compare_to(tattr1) == -tattr1.compare_to(tattr2)
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# If both have the same texture and stage, they are equal
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tattr1 = core.TextureAttrib.make()
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tattr1 = tattr1.add_on_stage(stage1, tex1)
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tattr2 = core.TextureAttrib.make()
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tattr2 = tattr2.add_on_stage(stage1, tex1)
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assert tattr1.compare_to(tattr2) == 0
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assert tattr2.compare_to(tattr1) == 0
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# Adding an extra texture makes it unequal
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tattr2 = tattr2.add_on_stage(stage2, tex2)
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assert tattr1.compare_to(tattr2) != 0
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assert tattr2.compare_to(tattr1) != 0
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assert tattr2.compare_to(tattr1) == -tattr1.compare_to(tattr2)
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# Different textures altogether is of course unequal
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tattr1 = core.TextureAttrib.make()
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tattr1 = tattr1.add_on_stage(stage2, tex2)
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tattr2 = core.TextureAttrib.make()
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tattr2 = tattr2.add_on_stage(stage1, tex1)
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assert tattr1.compare_to(tattr2) != 0
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assert tattr2.compare_to(tattr1) != 0
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assert tattr2.compare_to(tattr1) == -tattr1.compare_to(tattr2)
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