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GPv3: Array Modifier #117836

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Falk David merged 15 commits from ChengduLittleA/blender:gp3-mod-array into main 2024-02-16 14:04:12 +01:00
Conversation 5 Commits 15 Files Changed 9 +564
YimingWu commented 2024-02-05 12:00:18 +01:00
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Array modifier migrated to Grease Pencil v3.

(This is a re-submit of the previously reverted commit)

Array modifier migrated to Grease Pencil v3. (This is a re-submit of the [previously reverted](https://projects.blender.org/blender/blender/pulls/117722) commit)
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YimingWu added 5 commits 2024-02-05 12:00:23 +01:00
Iliya Katushenock added this to the Grease Pencil project 2024-02-05 13:27:21 +01:00
Falk David requested review from Falk David 2024-02-05 15:20:46 +01:00
Falk David requested changes 2024-02-06 10:54:34 +01:00
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Some more comments :)

Some more comments :)
source/blender/modifiers/intern/MOD_grease_pencil_array.cc Outdated
@ -0,0 +94,4 @@
{
float3 offset;
if (mmd.flag & MOD_GREASE_PENCIL_ARRAY_USE_OFFSET) {
Falk David commented 2024-02-06 10:41:38 +01:00
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Seems like the calculation for the offset should be below the if (use_object_offset) { since it's not used in there.

I would also avoid declaring variables, then writing to them. The style guide (https://developer.blender.org/docs/handbook/guidelines/c_cpp/#variable-scope) is to keep variable scope as small as possible.

In this case, calculating the offset can be written as:

const float3 offset = [&]() {
   if (mmd.flag & MOD_GREASE_PENCIL_ARRAY_USE_OFFSET) {
      return float3(mmd.offset) * elem_idx;
   }
   return float3(0.0f);
}();
Seems like the calculation for the `offset` should be below the `if (use_object_offset) {` since it's not used in there. I would also avoid declaring variables, then writing to them. The style guide (https://developer.blender.org/docs/handbook/guidelines/c_cpp/#variable-scope) is to keep variable scope as small as possible. In this case, calculating the offset can be written as: ``` const float3 offset = [&]() { if (mmd.flag & MOD_GREASE_PENCIL_ARRAY_USE_OFFSET) { return float3(mmd.offset) * elem_idx; } return float3(0.0f); }(); ```
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source/blender/modifiers/intern/MOD_grease_pencil_array.cc Outdated
@ -0,0 +112,4 @@
if (mmd.flag & MOD_GREASE_PENCIL_ARRAY_USE_OFFSET) {
mat_offset[3] += mmd.offset;
}
const float4x4 obinv = math::invert(float4x4(ob.object_to_world));
Falk David commented 2024-02-05 15:21:37 +01:00
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You should just be able to use ob.world_to_object.

You should just be able to use `ob.world_to_object`.
😆 1
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source/blender/modifiers/intern/MOD_grease_pencil_array.cc
@ -0,0 +117,4 @@
return mat_offset * obinv * float4x4(mmd.object->object_to_world);
}
return r_mat;
Falk David commented 2024-02-06 10:30:28 +01:00
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No need for a r_mat varaible, just return math::from_location<float4x4>(offset);

No need for a `r_mat` varaible, just `return math::from_location<float4x4>(offset);`
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YimingWu added 1 commit 2024-02-06 13:09:46 +01:00
YimingWu added 1 commit 2024-02-06 13:10:17 +01:00
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c76528d840 Merge branch 'main' into gp3-mod-array
Falk David requested changes 2024-02-06 13:40:43 +01:00
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One comment got lost, otherwise this looks ok to me

One comment got lost, otherwise this looks ok to me
source/blender/modifiers/intern/MOD_grease_pencil_array.cc Outdated
@ -0,0 +92,4 @@
const int elem_idx,
const bool use_object_offset)
{
const float3 offset = [&]() {
Falk David commented 2024-02-06 13:39:09 +01:00
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Since offset is not used in if (use_object_offset) {. move this below the if.

Since `offset` is not used in `if (use_object_offset) {`. move this below the `if`.
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Falk David commented 2024-02-06 13:41:03 +01:00
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@blender-bot build

@blender-bot build
YimingWu added 1 commit 2024-02-07 02:53:53 +01:00
YimingWu added 1 commit 2024-02-16 02:59:51 +01:00
YimingWu added 2 commits 2024-02-16 03:05:13 +01:00
Falk David approved these changes 2024-02-16 12:57:06 +01:00
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Code looks ok to me. @ChengduLittleA Can you trigger the buildbot once this is merged with main again? Thanks.

Code looks ok to me. @ChengduLittleA Can you trigger the buildbot once this is merged with main again? Thanks.
YimingWu commented 2024-02-16 12:57:42 +01:00
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Will do :D

Will do :D
YimingWu added 1 commit 2024-02-16 13:02:00 +01:00
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463ec67b12 Merge branch 'main' into gp3-mod-array
YimingWu commented 2024-02-16 13:02:12 +01:00
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@blender-bot build

@blender-bot build
Falk David commented 2024-02-16 13:27:57 +01:00
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Looks like there are some issues still.

Looks like there are some issues still.
YimingWu added 1 commit 2024-02-16 13:31:20 +01:00
YimingWu added 1 commit 2024-02-16 13:36:24 +01:00
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ebd2913743 Use `double(1.0f)` instead of 1.0d
YimingWu commented 2024-02-16 13:36:54 +01:00
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@blender-bot build

@blender-bot build
Falk David reviewed 2024-02-16 13:59:54 +01:00
source/blender/modifiers/intern/MOD_grease_pencil_array.cc Outdated
@ -0,0 +132,4 @@
if ((mmd.flag & MOD_GREASE_PENCIL_ARRAY_UNIFORM_RANDOM_SCALE) && j == 2) {
float rand_value;
rand_value = math::mod(r[0] * 2.0 - 1.0 + rand_offset, double(1.0f));
Falk David commented 2024-02-16 13:59:54 +01:00
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double(1.0f) -> 1.0

`double(1.0f)` -> `1.0`
👀 1
ChengduLittleA marked this conversation as resolved
YimingWu added 1 commit 2024-02-16 14:02:26 +01:00
Falk David merged commit 975c226282 into main 2024-02-16 14:04:12 +01:00
Falk David referenced this issue from a commit 2024-02-16 14:04:14 +01:00
GPv3: Array Modifier
Jeroen Bakker referenced this issue from a commit 2024-02-19 08:10:14 +01:00
GPv3: Array Modifier
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