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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2022 Blender Foundation. */
#pragma once
/** \file
* \ingroup draw
*
* Component / Object level resources like object attributes, matrices, visibility etc...
* Each of them are reference by resource index (#ResourceHandle).
*/
#include "BKE_duplilist.h"
#include "DNA_object_types.h"
#include "draw_shader_shared.h"
namespace blender::draw {
/* -------------------------------------------------------------------- */
/** \name ObjectMatrices
* \{ */
void ObjectMatrices::sync(const Object &object)
{
model = object->obmat;
model_inverse = object->imat;
}
void ObjectMatrices::sync(const float4x4 &object_mat)
{
model = object_mat;
model_inverse = object_mat.inverted();
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name ObjectInfos
* \{ */
void ObjectInfos::sync(const draw::ObjectRef ref, bool is_active_object)
{
color = ref.object.color;
index = ref.object.index;
SET_FLAG_FROM_TEST(flag, is_active_object, DRW_OBJECT_ACTIVE);
SET_FLAG_FROM_TEST(flag, ref.object.base_flag & BASE_SELECTED, DRW_OBJECT_SELECTED);
SET_FLAG_FROM_TEST(flag, ref.object.base_flag & BASE_FROM_DUPLI, DRW_OBJECT_FROM_DUPLI);
SET_FLAG_FROM_TEST(flag, ref.object.base_flag & BASE_FROM_SET, DRW_OBJECT_FROM_SET);
SET_FLAG_FROM_TEST(flag, ref.object.transflag & OB_NEG_SCALE, DRW_OBJECT_NEGATIVE_SCALE);
if (ref.dupli == nullptr) {
/* TODO(fclem): this is rather costly to do at runtime. Maybe we can
* put it in ob->runtime and make depsgraph ensure it is up to date. */
random = BLI_hash_int_2d(BLI_hash_string(ref.object.id.name + 2), 0) * (1.0f / 0xFFFFFFFF);
}
else {
random = ref.dupli.random_id * (1.0f / 0xFFFFFFFF);
}
/* Default values. Set if needed. */
random = 0.0f;
if (ref.object.data == nullptr) {
orco_add = float3(0.0f);
orco_mul = float3(1.0f);
return;
}
switch (GS(ref.object.data->name)) {
case ID_VO: {
BoundBox &bbox = *BKE_volume_boundbox_get(object);
orco_add = (float3(bbox.vec[6]) + float3(bbox.vec[0])) * 0.5f; /* Center. */
orco_mul = float3(bbox.vec[6]) - float3(bbox.vec[0]); /* Size. */
break;
}
case ID_ME: {
BKE_mesh_texspace_get((Mesh *)ref.object.data, orco_add, orco_mul);
break;
}
case ID_CU_LEGACY: {
Curve &cu = *(Curve *)ref.object.data;
BKE_curve_texspace_ensure(&cu);
orco_add = cu.loc;
orco_mul = cu.size;
break;
}
case ID_MB: {
MetaBall &mb = *(MetaBall *)ref.object.data;
orco_add = mb.loc;
orco_mul = mb.size;
break;
}
default:
orco_add = float3(0.0f);
orco_mul = float3(1.0f);
break;
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name ObjectBounds
* \{ */
void ObjectBounds::sync(const Object &ob)
{
const BoundBox *bbox = BKE_object_boundbox_get(ob);
if (bbox == nullptr) {
bounding_sphere.w = -1.0f; /* Disable test. */
return;
}
bounding_corners[0] = bbox->vec[0];
bounding_corners[1] = bbox->vec[4];
bounding_corners[2] = bbox->vec[3];
bounding_corners[3] = bbox->vec[1];
bounding_sphere.w = 0.0f; /* Enable test. */
}
/** \} */
}; // namespace blender::draw
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