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GPv3: Lattice modifier #117955

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Lukas Tönne merged 9 commits from LukasTonne/blender:gp3-lattice-modifier into main 2024-02-08 14:09:20 +01:00
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Lukas Tönne commented 2024-02-07 18:24:33 +01:00
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Ported lattice modifier from GPv2.

The LatticeDeformData is no longer stored in the modifier data, but calculated on-the-fly like in the mesh deform modifier. This is quite trivial data and only stores deformed positions of the lattice, so not really worth the effort and complexity of caching it.

Ported lattice modifier from GPv2. The `LatticeDeformData` is no longer stored in the modifier data, but calculated on-the-fly like in the mesh deform modifier. This is quite trivial data and only stores deformed positions of the lattice, so not really worth the effort and complexity of caching it.
Lukas Tönne added 1 commit 2024-02-07 18:24:48 +01:00
Lukas Tönne added this to the Grease Pencil project 2024-02-07 18:25:04 +01:00
Lukas Tönne requested review from Falk David 2024-02-07 18:25:15 +01:00
Hans Goudey reviewed 2024-02-07 18:27:05 +01:00
source/blender/modifiers/intern/MOD_grease_pencil_lattice.cc
@ -0,0 +127,4 @@
}
});
curves.tag_positions_changed();
Hans Goudey commented 2024-02-07 18:27:05 +01:00
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Looks like the drawing needs a positions changed tag too

Looks like the drawing needs a positions changed tag too
LukasTonne marked this conversation as resolved
Lukas Tönne added 1 commit 2024-02-08 10:15:55 +01:00
Lukas Tönne added 1 commit 2024-02-08 10:16:10 +01:00
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a79d05b1ae Merge branch 'main' into gp3-lattice-modifier
Lukas Tönne commented 2024-02-08 10:16:38 +01:00
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@blender-bot build

@blender-bot build
Falk David requested changes 2024-02-08 10:53:33 +01:00
Falk David left a comment
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Looks very straightforward! Just a few cleanup comments.

Looks very straightforward! Just a few cleanup comments.
source/blender/makesrna/intern/rna_modifier.cc
@ -944,2 +949,4 @@
RNA_MOD_OBJECT_SET(Shrinkwrap, auxTarget, OB_MESH);
RNA_MOD_OBJECT_SET(SurfaceDeform, target, OB_MESH);
RNA_MOD_OBJECT_SET(GreasePencilLattice, object, OB_LATTICE);
RNA_MOD_OBJECT_SET(GreasePencilMirror, object, OB_EMPTY);
Falk David commented 2024-02-08 10:41:20 +01:00
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Could you commit these changes seperately as a fix? Same for removing the rna setter functions below.

Could you commit these changes seperately as a fix? Same for removing the rna setter functions below.
LukasTonne marked this conversation as resolved
source/blender/modifiers/intern/MOD_grease_pencil_lattice.cc Outdated
@ -0,0 +128,4 @@
}
});
curves.tag_positions_changed();
Falk David commented 2024-02-08 10:43:24 +01:00
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Tagging the drawing will tag the curves geometry, so this line can be removed now.

Tagging the drawing will tag the curves geometry, so this line can be removed now.
LukasTonne marked this conversation as resolved
source/blender/modifiers/intern/MOD_grease_pencil_lattice.cc
@ -0,0 +140,4 @@
BLI_assert(lmd->object != nullptr && lmd->object->type == OB_LATTICE);
LatticeDeformData *cache_data = BKE_lattice_deform_data_create(lmd->object, ctx->object);
GreasePencil *grease_pencil = geometry_set->get_grease_pencil_for_write();
Falk David commented 2024-02-08 10:51:04 +01:00
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We've been using this pattern in other modifiers, which is a bit nicer imho:

if (!geometry_set->has_grease_pencil()) {
  return;
}
GreasePencil &grease_pencil = *geometry_set->get_grease_pencil_for_write();
We've been using this pattern in other modifiers, which is a bit nicer imho: ``` if (!geometry_set->has_grease_pencil()) { return; } GreasePencil &grease_pencil = *geometry_set->get_grease_pencil_for_write(); ```
LukasTonne marked this conversation as resolved
source/blender/modifiers/intern/MOD_grease_pencil_lattice.cc
@ -0,0 +145,4 @@
return;
}
IndexMaskMemory mask_memory;
Falk David commented 2024-02-08 10:48:05 +01:00
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I haven't thought about this before, but I think we should call

GeometryComponentEditData::remember_deformed_positions_if_necessary(geometry_set);

in modifiers that deform the drawings.

Maybe this should be done as a seperate PR though.

I haven't thought about this before, but I think we should call ``` GeometryComponentEditData::remember_deformed_positions_if_necessary(geometry_set); ``` in modifiers that deform the drawings. Maybe this should be done as a seperate PR though.
Lukas Tönne commented 2024-02-08 12:43:35 +01:00
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Added a note to #106665, will ignore it here for now.

Added a note to #106665, will ignore it here for now.
LukasTonne marked this conversation as resolved
Lukas Tönne added 2 commits 2024-02-08 11:58:40 +01:00
Lukas Tönne added 1 commit 2024-02-08 11:59:46 +01:00
Lukas Tönne added 2 commits 2024-02-08 12:44:15 +01:00
Lukas Tönne added 1 commit 2024-02-08 12:44:32 +01:00
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9e6e483a73 Merge branch 'main' into gp3-lattice-modifier
Lukas Tönne commented 2024-02-08 12:45:20 +01:00
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@blender-bot build

@blender-bot build
Falk David approved these changes 2024-02-08 12:47:23 +01:00
Lukas Tönne merged commit da2d3be202 into main 2024-02-08 14:09:20 +01:00
Lukas Tönne referenced this issue from a commit 2024-02-08 14:09:21 +01:00
GPv3: Lattice modifier
Lukas Tönne deleted branch gp3-lattice-modifier 2024-02-08 14:09:22 +01:00
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