Differential D2889 Diff 11446 source/blender/shader_fx/intern/FX_shader_swirl.c

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source/blender/shader_fx/intern/FX_shader_swirl.c

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				/*
				* *** BEGIN GPL LICENSE BLOCK ***
				*
				* This program is free software; you can redistribute it and/or
				* modify it under the terms of the GNU General Public License
				* as published by the Free Software Foundation; either version 2
				* of the License, or (at your option) any later version.
				*
				* This program is distributed in the hope that it will be useful,
				* but WITHOUT ANY WARRANTY; without even the implied warranty of
				* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
				* GNU General Public License for more details.
				*
				* You should have received a copy of the GNU General Public License
				* along with this program; if not, write to the Free Software Foundation,
				* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
				*
				* The Original Code is Copyright (C) 2018, Blender Foundation
				* This is a new part of Blender
				*
				* Contributor(s): Antonio Vazquez
				*
				* *** END GPL LICENSE BLOCK ***
				*
				*/

				/** \file blender/shader_fx/intern/FX_shader_swirl.c
				* \ingroup shader_fx
				*/

				#include <stdio.h>

				#include "DNA_scene_types.h"
				#include "DNA_object_types.h"
				#include "DNA_gpencil_types.h"

				#include "BLI_math_base.h"
				#include "BLI_utildefines.h"

				#include "BKE_library_query.h"
				#include "BKE_modifier.h"
				#include "BKE_shader_fx.h"

				#include "FX_shader_types.h"

				#include "DEG_depsgraph.h"
				#include "DEG_depsgraph_build.h"

				static void initData(ShaderFxData *md)
				{
				SwirlShaderFxData gpmd = (SwirlShaderFxData )md;
				gpmd->radius = 100;
				gpmd->angle = M_PI_2;
				}

				static void copyData(const ShaderFxData md, ShaderFxData target)
				{
				BKE_shaderfx_copyData_generic(md, target);
				}

				static void updateDepsgraph(ShaderFxData fx, const ModifierUpdateDepsgraphContext ctx)
				{
				SwirlShaderFxData fxd = (SwirlShaderFxData )fx;
				if (fxd->object != NULL) {
				DEG_add_object_relation(ctx->node, fxd->object, DEG_OB_COMP_GEOMETRY, "Swirl ShaderFx");
				DEG_add_object_relation(ctx->node, fxd->object, DEG_OB_COMP_TRANSFORM, "Swirl ShaderFx");
				}
				DEG_add_object_relation(ctx->node, ctx->object, DEG_OB_COMP_TRANSFORM, "Swirl ShaderFx");
				}

				static bool isDisabled(ShaderFxData *fx, int UNUSED(userRenderParams))
				{
				SwirlShaderFxData fxd = (SwirlShaderFxData )fx;

				return !fxd->object;
				}

				static void foreachObjectLink(
				ShaderFxData fx, Object ob,
				ShaderFxObjectWalkFunc walk, void *userData)
				{
				SwirlShaderFxData fxd = (SwirlShaderFxData )fx;

				walk(userData, ob, &fxd->object, IDWALK_CB_NOP);
				}

				ShaderFxTypeInfo shaderfx_Type_Swirl = {
				/* name */ "Swirl",
				/* structName */ "SwirlShaderFxData",
				/* structSize */ sizeof(SwirlShaderFxData),
				/* type */ eShaderFxType_GpencilType,
				/* flags */ 0,

				/* copyData */ copyData,

				/* initData */ initData,
				/* freeData */ NULL,
				/* isDisabled */ isDisabled,
				/* updateDepsgraph */ updateDepsgraph,
				/* dependsOnTime */ NULL,
				/* foreachObjectLink */ foreachObjectLink,
				/* foreachIDLink */ NULL,
				};