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Changes AutomationPattern to use nodes instead of raw float values (L…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| /* | ||
| * AutomationNode.h - Declaration of class AutomationNode, which contains | ||
| * all information about an automation node | ||
| * | ||
| * Copyright (c) 2020 Ian Caio <iancaio_dev/at/hotmail.com> | ||
| * | ||
| * This file is part of LMMS - https://lmms.io | ||
| * | ||
| * 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 (see COPYING); if not, write to the | ||
| * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | ||
| * Boston, MA 02110-1301 USA. | ||
| * | ||
| */ | ||
|
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| #ifndef AUTOMATION_NODE_H | ||
| #define AUTOMATION_NODE_H | ||
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| // MACROs to help handling automation nodes | ||
| #define INVAL(x) ((x).value().getInValue()) | ||
| #define OUTVAL(x) ((x).value().getOutValue()) | ||
| #define OFFSET(x) ((x).value().getValueOffset()) | ||
| #define INTAN(x) ((x).value().getInTangent()) | ||
| #define OUTTAN(x) ((x).value().getOutTangent()) | ||
| #define POS(x) ((x).key()) | ||
|
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| class AutomationPattern; | ||
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| // Note: We use the default copy-assignment on the AutomationPattern constructor. It's | ||
| // fine for now as we don't have dynamic allocated members, but if any are added we should | ||
| // have an user-defined one to perform a deep-copy. | ||
| class AutomationNode | ||
| { | ||
| public: | ||
| AutomationNode(); // Dummy constructor for the QMap | ||
| AutomationNode(AutomationPattern* pat, float value, int pos); | ||
| AutomationNode(AutomationPattern* pat, float inValue, float outValue, int pos); | ||
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| AutomationNode& operator+=(float f) | ||
| { | ||
| m_inValue += f; | ||
| m_outValue += f; | ||
| return *this; | ||
| } | ||
| AutomationNode& operator-=(float f) | ||
| { | ||
| m_inValue -= f; | ||
| m_outValue -= f; | ||
| return *this; | ||
| } | ||
| AutomationNode& operator*=(float f) | ||
| { | ||
| m_inValue *= f; | ||
| m_outValue *= f; | ||
| return *this; | ||
| } | ||
| AutomationNode& operator/=(float f) | ||
| { | ||
| m_inValue /= f; | ||
| m_outValue /= f; | ||
| return *this; | ||
| } | ||
|
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| inline const float getInValue() const | ||
| { | ||
| return m_inValue; | ||
| } | ||
| void setInValue(float value); | ||
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| inline const float getOutValue() const | ||
| { | ||
| return m_outValue; | ||
| } | ||
| void setOutValue(float value); | ||
| void resetOutValue(); | ||
|
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| /** | ||
| * @brief Gets the offset between inValue and outValue | ||
| * @return Float representing the offset between inValue and outValue | ||
| */ | ||
| inline const float getValueOffset() const | ||
| { | ||
| return m_outValue - m_inValue; | ||
| } | ||
|
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| /** | ||
| * @brief Gets the tangent of the left side of the node | ||
| * @return Float with the tangent from the inValue side | ||
| */ | ||
| inline const float getInTangent() const | ||
| { | ||
| return m_inTangent; | ||
| } | ||
|
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| /** | ||
| * @brief Sets the tangent of the left side of the node | ||
| * @param Float with the tangent for the inValue side | ||
| */ | ||
| inline void setInTangent(float tangent) | ||
| { | ||
| m_inTangent = tangent; | ||
| } | ||
|
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| /** | ||
| * @brief Gets the tangent of the right side of the node | ||
| * @return Float with the tangent from the outValue side | ||
| */ | ||
| inline const float getOutTangent() const | ||
| { | ||
| return m_outTangent; | ||
| } | ||
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| /** | ||
| * @brief Sets the tangent of the right side of the node | ||
| * @param Float with the tangent for the outValue side | ||
| */ | ||
| inline void setOutTangent(float tangent) | ||
| { | ||
| m_outTangent = tangent; | ||
| } | ||
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| private: | ||
| // Pattern that this node belongs to | ||
| AutomationPattern* m_pattern; | ||
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| // Time position of this node (matches the timeMap key) | ||
| int m_pos; | ||
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| // Values of this node | ||
| float m_inValue; | ||
| float m_outValue; | ||
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| // Slope at each point for calculating spline | ||
| // We might have discrete jumps between curves, so we possibly have | ||
| // two different tangents for each side of the curve. If inValue and | ||
| // outValue are equal, inTangent and outTangent are equal too. | ||
| float m_inTangent; | ||
| float m_outTangent; | ||
| }; | ||
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| #endif |
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