2 * Copyright (c) 2024 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include <dali/internal/update/common/property-condition-step-functions.h>
19 #include <dali/public-api/common/dali-common.h>
20 #include <dali/public-api/math/quaternion.h>
21 #include <dali/public-api/math/vector2.h>
22 #include <dali/public-api/math/vector3.h>
23 #include <dali/public-api/math/vector4.h>
24 #include <dali/public-api/object/property-input.h>
34 const int32_t ARGINDEX_REF_VALUE = 0;
35 const int32_t ARGINDEX_STEP_SIZE = 1;
36 const int32_t ARGINDEX_CURRENT_STEP = 2;
37 const int32_t ARGINDEX_FIRST_VALUE = 3;
38 const int32_t ARGINDEX_SECOND_VALUE = 4;
39 const int32_t ARGINDEX_THIRD_VALUE = 5;
41 inline float AngleDifference(float a1, float a2, const float angleRangeHalf)
43 float diff = fabs(a1 - a2);
44 return diff < angleRangeHalf ? diff : angleRangeHalf * 2.0f - diff;
49 ConditionFunction Step::GetFunction(Property::Type valueType)
51 ConditionFunction function = nullptr;
55 case Property::INTEGER:
57 function = EvalInteger;
65 case Property::VECTOR2:
67 function = EvalVector2;
70 case Property::VECTOR3:
72 function = EvalVector3;
75 case Property::VECTOR4:
77 function = EvalVector4;
82 function = EvalDefault;
90 ConditionFunction Step::GetCompareFunction(Property::Type valueType)
92 ConditionFunction function = nullptr;
93 if(valueType == Property::VECTOR3)
95 function = EvalAndCompareVector3;
97 else if(valueType == Property::ROTATION)
99 function = EvalAndCompareQuaternion;
103 function = GetFunction(valueType);
109 bool Step::Evaluate(const float propertyValue, PropertyNotification::RawArgumentContainer& arg)
111 const float refValue = arg[ARGINDEX_REF_VALUE];
112 const float step = arg[ARGINDEX_STEP_SIZE];
113 const int32_t currentStep = static_cast<int32_t>(arg[ARGINDEX_CURRENT_STEP]);
114 const float distance = (propertyValue - refValue);
115 // step is actual 1.0f / step so can multiply instead of dividing
116 const int32_t newStep = static_cast<int32_t>(floorf(distance * step));
118 if(newStep != currentStep)
121 arg[ARGINDEX_CURRENT_STEP] = static_cast<float>(newStep);
127 bool Step::EvalInteger(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
129 const float propertyValue = static_cast<float>(value.GetInteger());
130 return Evaluate(propertyValue, arg);
133 bool Step::EvalFloat(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
135 const float propertyValue = value.GetFloat();
136 return Evaluate(propertyValue, arg);
139 bool Step::EvalVector2(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
141 const float propertyValue = value.GetVector2().Length();
142 return Evaluate(propertyValue, arg);
145 bool Step::EvalVector3(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
147 float propertyValue = value.GetVector3().Length();
148 return Evaluate(propertyValue, arg);
151 bool Step::EvalAndCompareVector3(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
153 float propertyValue = value.GetVector3().Length();
154 bool result = Evaluate(propertyValue, arg);
157 const float step = 1.0f / arg[ARGINDEX_STEP_SIZE];
158 if((fabsf(arg[ARGINDEX_FIRST_VALUE] - value.GetVector3().x) > step) || (fabsf(arg[ARGINDEX_SECOND_VALUE] - value.GetVector3().y) > step) || (fabsf(arg[ARGINDEX_THIRD_VALUE] - value.GetVector3().z) > step))
163 arg[ARGINDEX_FIRST_VALUE] = value.GetVector3().x;
164 arg[ARGINDEX_SECOND_VALUE] = value.GetVector3().y;
165 arg[ARGINDEX_THIRD_VALUE] = value.GetVector3().z;
169 bool Step::EvalVector4(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
171 const float propertyValue = value.GetVector4().Length();
172 return Evaluate(propertyValue, arg);
175 bool Step::EvalAndCompareQuaternion(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
177 // TODO : Make some meaningfule calculation here
179 Quaternion propertyValue = value.GetQuaternion();
181 Vector4 v = propertyValue.EulerAngles();
182 const float checkValue = v.LengthSquared();
183 bool result = Evaluate(checkValue, arg);
187 const float step = 1.0f / arg[ARGINDEX_STEP_SIZE];
188 if((AngleDifference(arg[ARGINDEX_FIRST_VALUE], v.x, Dali::Math::PI) > step) ||
189 (AngleDifference(arg[ARGINDEX_SECOND_VALUE], v.y, Dali::Math::PI_2) > step) ||
190 (AngleDifference(arg[ARGINDEX_THIRD_VALUE], v.z, Dali::Math::PI) > step))
195 arg[ARGINDEX_FIRST_VALUE] = v.x;
196 arg[ARGINDEX_SECOND_VALUE] = v.y;
197 arg[ARGINDEX_THIRD_VALUE] = v.z;
201 bool Step::EvalDefault(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
206 } // namespace SceneGraph
208 } // namespace Internal