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FX_shader_swirl.c « intern « shader_fx « blender « source - git.blender.org/blender.git - Unnamed repository; edit this file 'description' to name the repository.
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/* SPDX-License-Identifier: GPL-2.0-or-later
 * Copyright 2018 Blender Foundation. */

/** \file
 * \ingroup shader_fx
 */

#include <stdio.h>

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

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

#include "BKE_context.h"
#include "BKE_lib_query.h"
#include "BKE_modifier.h"
#include "BKE_screen.h"
#include "BKE_shader_fx.h"

#include "UI_interface.h"
#include "UI_resources.h"

#include "RNA_access.h"

#include "FX_shader_types.h"
#include "FX_ui_common.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_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 foreachIDLink(ShaderFxData *fx, Object *ob, IDWalkFunc walk, void *userData)
{
  SwirlShaderFxData *fxd = (SwirlShaderFxData *)fx;

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

static void panel_draw(const bContext *UNUSED(C), Panel *panel)
{
  uiLayout *layout = panel->layout;

  PointerRNA *ptr = shaderfx_panel_get_property_pointers(panel, NULL);

  uiLayoutSetPropSep(layout, true);

  uiItemR(layout, ptr, "object", 0, NULL, ICON_NONE);
  uiItemR(layout, ptr, "radius", 0, NULL, ICON_NONE);
  uiItemR(layout, ptr, "angle", 0, NULL, ICON_NONE);

  shaderfx_panel_end(layout, ptr);
}

static void panelRegister(ARegionType *region_type)
{
  shaderfx_panel_register(region_type, eShaderFxType_Swirl, panel_draw);
}

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,
    /* foreachIDLink */ foreachIDLink,
    /* panelRegister */ panelRegister,
};