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Move Penner easing equations to thirdparty/misc

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It was Godot-ified and integrated into Tween originally (#628)
without mention that it was thirdparty code, but it's actually
derived from https://github.com/jesusgollonet/ofpennereasing.

It's also very bad quality code and should be replaced by a better,
properly-maintained library of easing equations.
This commit is contained in:
Rémi Verschelde 2018-09-28 15:59:21 +02:00
parent c3bb4edb79
commit 82f2674e8d
4 changed files with 12 additions and 31 deletions
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5
COPYRIGHT.txt
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@ -278,6 +278,11 @@ Comment: curl
Copyright: 1998-2012, Daniel Stenberg et al.
License: curl
Files: ./thirdparty/misc/easing_equations.cpp
Comment: Robert Penner's Easing Functions
Copyright: 2001, Robert Penner
License: BSD-3-clause
Files: ./thirdparty/misc/fastlz.c
./thirdparty/misc/fastlz.h
Comment: FastLZ

2
scene/SCsub
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@ -7,6 +7,8 @@ env.scene_sources = []
# Thirdparty code
thirdparty_dir = "#thirdparty/misc/"
thirdparty_sources = [
# C++ sources
"easing_equations.cpp",
# C sources
"mikktspace.c",
]

4
thirdparty/README.md vendored
View file

@ -375,6 +375,10 @@ Collection of single-file libraries used in Godot components.
### scene
- `easing_equations.cpp`
* Upstream: http://robertpenner.com/easing/ via https://github.com/jesusgollonet/ofpennereasing (modified to fit Godot types)
* Version: git (af72c14, 2008) + Godot types and style changes
* License: BSD-3-Clause
- `mikktspace.{c,h}`
* Upstream: https://wiki.blender.org/index.php/Dev:Shading/Tangent_Space_Normal_Maps
* Version: 1.0

32
scene/animation/tween_interpolaters.cpp → thirdparty/misc/easing_equations.cpp vendored
View file

@ -1,40 +1,10 @@
/*************************************************************************/
/* tween_interpolaters.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
/**
* Adapted from Penner Easing equations' C++ port.
* Source: https://github.com/jesusgollonet/ofpennereasing
* License: BSD-3-clause
*/
#include "tween.h"
#include "scene/animation/tween.h"
const real_t pi = 3.1415926535898;