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/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __CURVES_H__
#define __CURVES_H__
#include "util/util_types.h"
#include "util/util_vector.h"
CCL_NAMESPACE_BEGIN
class Device;
class DeviceScene;
class Progress;
class Scene;
void curvebounds(float *lower, float *upper, float3 *p, int dim);
typedef enum CurvePrimitiveType {
CURVE_TRIANGLES = 0,
CURVE_LINE_SEGMENTS = 1,
CURVE_SEGMENTS = 2,
CURVE_RIBBONS = 3,
CURVE_NUM_PRIMITIVE_TYPES,
} CurvePrimitiveType;
typedef enum CurveShapeType {
CURVE_RIBBON = 0,
CURVE_THICK = 1,
CURVE_NUM_SHAPE_TYPES,
} CurveShapeType;
typedef enum CurveTriangleMethod {
CURVE_CAMERA_TRIANGLES,
CURVE_TESSELATED_TRIANGLES
} CurveTriangleMethod;
typedef enum CurveLineMethod {
CURVE_ACCURATE,
CURVE_CORRECTED,
CURVE_UNCORRECTED
} CurveLineMethod;
class ParticleCurveData {
public:
ParticleCurveData();
~ParticleCurveData();
array<int> psys_firstcurve;
array<int> psys_curvenum;
array<int> psys_shader;
array<float> psys_rootradius;
array<float> psys_tipradius;
array<float> psys_shape;
array<bool> psys_closetip;
array<int> curve_firstkey;
array<int> curve_keynum;
array<float> curve_length;
array<float3> curve_uv;
array<float3> curve_vcol;
array<float3> curvekey_co;
array<float> curvekey_time;
};
/* HairSystem Manager */
class CurveSystemManager {
public:
CurvePrimitiveType primitive;
CurveShapeType curve_shape;
CurveLineMethod line_method;
CurveTriangleMethod triangle_method;
int resolution;
int subdivisions;
float minimum_width;
float maximum_width;
bool use_curves;
bool use_encasing;
bool use_backfacing;
bool use_tangent_normal_geometry;
bool need_update;
bool need_mesh_update;
CurveSystemManager();
~CurveSystemManager();
void device_update(Device *device, DeviceScene *dscene, Scene *scene, Progress& progress);
void device_free(Device *device, DeviceScene *dscene);
bool modified(const CurveSystemManager& CurveSystemManager);
bool modified_mesh(const CurveSystemManager& CurveSystemManager);
void tag_update(Scene *scene);
void tag_update_mesh();
};
CCL_NAMESPACE_END
#endif /* __CURVES_H__ */
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