diff options
author | Antonioya <blendergit@gmail.com> | 2018-09-30 12:19:04 +0300 |
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committer | Antonioya <blendergit@gmail.com> | 2018-09-30 12:49:02 +0300 |
commit | f1afa6f6a71220fefcd3d967f261edd6ad93a43a (patch) | |
tree | 0e8fc19a9089a0434fdad495613a5075e92ea315 /source/blender/shader_fx/intern/FX_shader_shadow.c | |
parent | d9f6fdae4b5ae0475f0cbc8114a87b3be21739db (diff) |
GP: implement Shadow FX (wip)
Initial implementation of effect to create a drop shadow of the strokes
Diffstat (limited to 'source/blender/shader_fx/intern/FX_shader_shadow.c')
-rw-r--r-- | source/blender/shader_fx/intern/FX_shader_shadow.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/source/blender/shader_fx/intern/FX_shader_shadow.c b/source/blender/shader_fx/intern/FX_shader_shadow.c new file mode 100644 index 00000000000..d0a2ffd4590 --- /dev/null +++ b/source/blender/shader_fx/intern/FX_shader_shadow.c @@ -0,0 +1,110 @@ +/* + * ***** 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_shadow.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) +{ + ShadowShaderFxData *gpfx = (ShadowShaderFxData *)md; + gpfx->rotation = 0.0f; + ARRAY_SET_ITEMS(gpfx->offset, 15, 20); + ARRAY_SET_ITEMS(gpfx->scale, 1.0f, 1.0f); + ARRAY_SET_ITEMS(gpfx->shadow_rgba, 0.54f, 0.62f, 1.0f, 0.9f); + + gpfx->amplitude = 10.0f; + gpfx->period = 20.0f; + gpfx->phase = 0.0f; + gpfx->orientation = 1; +} + +static void copyData(const ShaderFxData *md, ShaderFxData *target) +{ + BKE_shaderfx_copyData_generic(md, target); +} + +static void updateDepsgraph(ShaderFxData *fx, const ModifierUpdateDepsgraphContext *ctx) +{ + ShadowShaderFxData *fxd = (ShadowShaderFxData *)fx; + if (fxd->object != NULL) { + DEG_add_object_relation(ctx->node, fxd->object, DEG_OB_COMP_GEOMETRY, "Shadow ShaderFx"); + DEG_add_object_relation(ctx->node, fxd->object, DEG_OB_COMP_TRANSFORM, "Shadow ShaderFx"); + } + DEG_add_object_relation(ctx->node, ctx->object, DEG_OB_COMP_TRANSFORM, "Shadow ShaderFx"); +} + +static bool isDisabled(ShaderFxData *fx, int UNUSED(userRenderParams)) +{ + ShadowShaderFxData *fxd = (ShadowShaderFxData *)fx; + + return (!fxd->object) && (fxd->flag & FX_SHADOW_USE_OBJECT); +} + +static void foreachObjectLink( + ShaderFxData *fx, Object *ob, + ShaderFxObjectWalkFunc walk, void *userData) +{ + ShadowShaderFxData *fxd = (ShadowShaderFxData *)fx; + + walk(userData, ob, &fxd->object, IDWALK_CB_NOP); +} + +ShaderFxTypeInfo shaderfx_Type_Shadow = { + /* name */ "Shadow", + /* structName */ "ShadowShaderFxData", + /* structSize */ sizeof(ShadowShaderFxData), + /* type */ eShaderFxType_GpencilType, + /* flags */ 0, + + /* copyData */ copyData, + + /* initData */ initData, + /* freeData */ NULL, + /* isDisabled */ isDisabled, + /* updateDepsgraph */ updateDepsgraph, + /* dependsOnTime */ NULL, + /* foreachObjectLink */ foreachObjectLink, + /* foreachIDLink */ NULL, +}; |