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2018-06-28T19:51:40Z

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wiki>Pkrime: added declaration after struct definition in DNA_modifier_types.h

2013-08-21T09:48:11Z

added declaration after struct definition in DNA_modifier_types.h

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= Notes on Adding a New Modifier =
== source/blender/makesdna/DNA_modifier_types.h ==
Add a new modifier name to the <tt>ModifierType</tt> list, e.g. <tt>eModifierType_FooBar</tt>. Make sure the new entry comes before <tt>NUM_MODIFIER_TYPES</tt>, but does not modify the ordinal for any other modifier.

I'm not sure that this is 100% required for every possible modifier, but usually you will want to add a new modifier struct to the end of the file:
<source lang="C">
typedef struct FooBarModifierData {
ModifierData modifier;
/* modifier-specific data goes here; remember to add pad if necessary! */
}FooBarModifierData;</source>

This is also a good place to declare flag enumerations and the like.

== source/blender/makesrna/RNA_access.h ==
Add a new <tt>StructRNA</tt> declaration, e.g. <tt>extern StructRNA RNA_FooBarModifier;</tt>.

== source/blender/makesrna/intern/rna_modifier.c ==
Add the new modifier to the <tt>modifier_type_items</tt> array. There are currently four categories it can go under: Modify, Generate, Deform, and Simulate. Entries within a category should be in alphabetical order.
<source lang="C">
{eModifierType_FooBar, "FOO_BAR", ICON_MODIFIER, "Foo Bar", ""},
</source>

Add a RNA define funcion for the new modifier, rna_def_modifier functions are in alphabetical order.
<source lang="C">
static void rna_def_modifier_foobar(BlenderRNA *brna)
{
StructRNA *srna;
PropertyRNA *prop;

srna = RNA_def_struct(brna, "FooBarModifier", "Modifier");
RNA_def_struct_ui_text(srna, "FooBar Modifier", "It's a foo modifier");
RNA_def_struct_sdna(srna, "FooBarModifierData");
RNA_def_struct_ui_icon(srna, ICON_MODIFIER);
}
</source>

In function <tt>rna_Modifier_refine</tt>, add a new case for the modifier struct:
<source lang="C">
case eModifierType_FooBar:
return &RNA_FooBarModifier;
</source>

== source/blender/modifiers/MOD_modifiertypes.h ==
Add a new ModifierTypeInfo declaration, e.g. <tt>extern ModifierTypeInfo modifierType_FooBar;</tt>
== source/blender/modifiers/intern/MOD_util.c ==
Add a new <tt>INIT_TYPE</tt> line, e.g. <tt>INIT_TYPE(FooBar);</tt>.
== source/blender/modifiers/intern/MOD_foobar.c ==
Add a new source file to contain your modifier's code, e.g. <tt>MOD_foobar.c</tt>.

This source file must contain at least the <tt>ModifierTypeInfo</tt> definition for your modifier:
<source lang="C">
ModifierTypeInfo modifierType_FooBar = {
/* name */ "Foo Bar",
/* structName */ "FooBarModifierData",
/* structSize */ sizeof(FooBarModifierData),
/* type */ eModifierTypeType_Constructive,
/* flags */ eModifierTypeFlag_AcceptsMesh,

/* copyData */ NULL,
/* deformVerts */ NULL,
/* deformMatrices */ NULL,
/* deformVertsEM */ NULL,
/* deformMatricesEM */ NULL,
/* applyModifier */ applyModifier,
/* applyModifierEM */ NULL,
/* initData */ NULL,
/* requiredDataMask */ NULL,
/* freeData */ NULL,
/* isDisabled */ NULL,
/* updateDepgraph */ NULL,
/* dependsOnTime */ NULL,
/* dependsOnNormals */ NULL,
/* foreachObjectLink */ NULL,
/* foreachIDLink */ NULL,
/* foreachTexLink */ NULL,
};
</source>

Most of the function pointers can be set to <tt>NULL</tt> if you don't need it. You probably do want to set the <tt>applyModifier</tt> function pointer though, in order to output a new <tt>DerivedMesh</tt>.

== source/blender/modifiers/CMakeLists.txt ==
Add the new file to the <tt>SRC</tt> variable, e.g. <tt>intern/MOD_foobar.c</tt>

== release/scripts/startup/bl_ui/properties_data_modifier.py ==
Add a new method to the <tt>DATA_PT_modifiers</tt> class:
<source lang="python">
def FOOBAR(self, layout, ob, md):
pass
</source>

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Dev:Source/Modifiers/Adding - 版の履歴

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wiki>Pkrime: added declaration after struct definition in DNA_modifier_types.h

Yamyam: 1版をインポートしました