2020-11-15 23:28:03 +01:00

400 lines
12 KiB
C++
Executable File

/* This file is part of RetroFE.
*
* RetroFE 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 3 of the License, or
* (at your option) any later version.
*
* RetroFE 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 RetroFE. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Tween.h"
#include <algorithm>
#define _USE_MATH_DEFINES
#include <math.h>
#include <string>
std::map<std::string, TweenAlgorithm> Tween::tweenTypeMap_;
std::map<std::string, TweenProperty> Tween::tweenPropertyMap_;
Tween::Tween(TweenProperty property, TweenAlgorithm type, double start, double end, double duration)
: property(property)
, duration(duration)
, startDefined(true)
, type(type)
, start(start)
, end(end)
{
}
bool Tween::getTweenProperty(std::string name, TweenProperty &property)
{
bool retVal = false;
if(tweenPropertyMap_.size() == 0)
{
tweenPropertyMap_["x"] = TWEEN_PROPERTY_X;
tweenPropertyMap_["y"] = TWEEN_PROPERTY_Y;
tweenPropertyMap_["angle"] = TWEEN_PROPERTY_ANGLE;
tweenPropertyMap_["alpha"] = TWEEN_PROPERTY_ALPHA;
tweenPropertyMap_["width"] = TWEEN_PROPERTY_WIDTH;
tweenPropertyMap_["height"] = TWEEN_PROPERTY_HEIGHT;
tweenPropertyMap_["xorigin"] = TWEEN_PROPERTY_X_ORIGIN;
tweenPropertyMap_["yorigin"] = TWEEN_PROPERTY_Y_ORIGIN;
tweenPropertyMap_["xoffset"] = TWEEN_PROPERTY_X_OFFSET;
tweenPropertyMap_["yoffset"] = TWEEN_PROPERTY_Y_OFFSET;
tweenPropertyMap_["xoffsetshiftmenudirection"] = TWEEN_PROPERTY_X_OFFSET_SHIFT_MENU_DIRECTION;
tweenPropertyMap_["yoffsetshiftmenudirection"] = TWEEN_PROPERTY_Y_OFFSET_SHIFT_MENU_DIRECTION;
tweenPropertyMap_["fontSize"] = TWEEN_PROPERTY_FONT_SIZE;
tweenPropertyMap_["backgroundalpha"] = TWEEN_PROPERTY_BACKGROUND_ALPHA;
tweenPropertyMap_["maxwidth"] = TWEEN_PROPERTY_MAX_WIDTH;
tweenPropertyMap_["maxheight"] = TWEEN_PROPERTY_MAX_HEIGHT;
tweenPropertyMap_["layer"] = TWEEN_PROPERTY_LAYER;
tweenPropertyMap_["containerx"] = TWEEN_PROPERTY_CONTAINER_X;
tweenPropertyMap_["containery"] = TWEEN_PROPERTY_CONTAINER_Y;
tweenPropertyMap_["containerwidth"] = TWEEN_PROPERTY_CONTAINER_WIDTH;
tweenPropertyMap_["containerheight"] = TWEEN_PROPERTY_CONTAINER_HEIGHT;
tweenPropertyMap_["nop"] = TWEEN_PROPERTY_NOP;
}
std::transform(name.begin(), name.end(), name.begin(), ::tolower);
if(tweenPropertyMap_.find(name) != tweenPropertyMap_.end())
{
property = tweenPropertyMap_[name];
retVal = true;
}
return retVal;
}
TweenAlgorithm Tween::getTweenType(std::string name)
{
if(tweenTypeMap_.size() == 0)
{
tweenTypeMap_["easeinquadratic"] = EASE_IN_QUADRATIC;
tweenTypeMap_["easeoutquadratic"] = EASE_OUT_QUADRATIC;
tweenTypeMap_["easeinoutquadratic"] = EASE_INOUT_QUADRATIC;
tweenTypeMap_["easeincubic"] = EASE_IN_CUBIC;
tweenTypeMap_["easeoutcubic"] = EASE_OUT_CUBIC;
tweenTypeMap_["easeinoutcubic"] = EASE_INOUT_CUBIC;
tweenTypeMap_["easeinquartic"] = EASE_IN_QUARTIC;
tweenTypeMap_["easeoutquartic"] = EASE_OUT_QUARTIC;
tweenTypeMap_["easeinoutquartic"] = EASE_INOUT_QUARTIC;
tweenTypeMap_["easeinquintic"] = EASE_IN_QUINTIC;
tweenTypeMap_["easeoutquintic"] = EASE_OUT_QUINTIC;
tweenTypeMap_["easeinoutquintic"] = EASE_INOUT_QUINTIC;
tweenTypeMap_["easeinsine"] = EASE_IN_SINE;
tweenTypeMap_["easeoutsine"] = EASE_OUT_SINE;
tweenTypeMap_["easeinoutsine"] = EASE_INOUT_SINE;
tweenTypeMap_["easeinexponential"] = EASE_IN_EXPONENTIAL;
tweenTypeMap_["easeoutexponential"] = EASE_OUT_EXPONENTIAL;
tweenTypeMap_["easeinoutexponential"] = EASE_INOUT_EXPONENTIAL;
tweenTypeMap_["easeincircular"] = EASE_IN_CIRCULAR;
tweenTypeMap_["easeoutcircular"] = EASE_OUT_CIRCULAR;
tweenTypeMap_["easeinoutcircular"] = EASE_INOUT_CIRCULAR;
tweenTypeMap_["linear"] = LINEAR;
}
std::transform(name.begin(), name.end(), name.begin(), ::tolower);
if(tweenTypeMap_.find(name) != tweenTypeMap_.end())
{
return tweenTypeMap_[name];
}
else
{
return tweenTypeMap_["linear"];
}
}
double Tween::getStart( ){
return start;
}
double Tween::getEnd( ){
return end;
}
float Tween::animate(double elapsedTime)
{
return animateSingle(type, start, end, duration, elapsedTime);
}
float Tween::animate(double elapsedTime, double startValue)
{
return animateSingle(type, startValue, end, duration, elapsedTime);
}
float Tween::animate(double elapsedTime, double startValue, double endValue, double durationValue)
{
return animateSingle(type, startValue, endValue, durationValue, elapsedTime);
}
//todo: SDL likes floats, consider having casting being performed elsewhere
float Tween::animateSingle(TweenAlgorithm type, double start, double end, double duration, double elapsedTime)
{
double a = start;
double b = end - start;
double result = 0;
switch(type)
{
case EASE_IN_QUADRATIC:
result = easeInQuadratic(elapsedTime, duration, a, b);
break;
case EASE_OUT_QUADRATIC:
result = easeOutQuadratic(elapsedTime, duration, a, b);
break;
case EASE_INOUT_QUADRATIC:
result = easeInOutQuadratic(elapsedTime, duration, a, b);
break;
case EASE_IN_CUBIC:
result = easeInCubic(elapsedTime, duration, a, b);
break;
case EASE_OUT_CUBIC:
result = easeOutCubic(elapsedTime, duration, a, b);
break;
case EASE_INOUT_CUBIC:
result = easeInOutCubic(elapsedTime, duration, a, b);
break;
case EASE_IN_QUARTIC:
result = easeInQuartic(elapsedTime, duration, a, b);
break;
case EASE_OUT_QUARTIC:
result = easeOutQuartic(elapsedTime, duration, a, b);
break;
case EASE_INOUT_QUARTIC:
result = easeInOutQuartic(elapsedTime, duration, a, b);
break;
case EASE_IN_QUINTIC:
result = easeInQuintic(elapsedTime, duration, a, b);
break;
case EASE_OUT_QUINTIC:
result = easeOutQuintic(elapsedTime, duration, a, b);
break;
case EASE_INOUT_QUINTIC:
result = easeInOutQuintic(elapsedTime, duration, a, b);
break;
case EASE_IN_SINE:
result = easeInSine(elapsedTime, duration, a, b);
break;
case EASE_OUT_SINE:
result = easeOutSine(elapsedTime, duration, a, b);
break;
case EASE_INOUT_SINE:
result = easeInOutSine(elapsedTime, duration, a, b);
break;
case EASE_IN_EXPONENTIAL:
result = easeInExponential(elapsedTime, duration, a, b);
break;
case EASE_OUT_EXPONENTIAL:
result = easeOutExponential(elapsedTime, duration, a, b);
break;
case EASE_INOUT_EXPONENTIAL:
result = easeInOutExponential(elapsedTime, duration, a, b);
break;
case EASE_IN_CIRCULAR:
result = easeInCircular(elapsedTime, duration, a, b);
break;
case EASE_OUT_CIRCULAR:
result = easeOutCircular(elapsedTime, duration, a, b);
break;
case EASE_INOUT_CIRCULAR:
result = easeInOutCircular(elapsedTime, duration, a, b);
break;
case LINEAR:
default:
result = linear(elapsedTime, duration, a, b);
break;
}
return static_cast<float>(result);
}
double Tween::linear(double t, double d, double b, double c)
{
if(d == 0) return b;
return c*t/d + b;
};
double Tween::easeInQuadratic(double t, double d, double b, double c)
{
if(d == 0) return b;
t /= d;
return c*t*t + b;
};
double Tween::easeOutQuadratic(double t, double d, double b, double c)
{
if(d == 0) return b;
t /= d;
return -c * t*(t-2) + b;
};
double Tween::easeInOutQuadratic(double t, double d, double b, double c)
{
if(d == 0) return b;
t /= d/2;
if (t < 1) return c/2*t*t + b;
t--;
return -c/2 * (t*(t-2) - 1) + b;
};
double Tween::easeInCubic(double t, double d, double b, double c)
{
if(d == 0) return b;
t /= d;
return c*t*t*t + b;
};
double Tween::easeOutCubic(double t, double d, double b, double c)
{
if(d == 0) return b;
t /= d;
t--;
return c*(t*t*t + 1) + b;
};
double Tween::easeInOutCubic(double t, double d, double b, double c)
{
if(d == 0) return b;
t /= d/2;
if (t < 1) return c/2*t*t*t + b;
t -= 2;
return c/2*(t*t*t + 2) + b;
};
double Tween::easeInQuartic(double t, double d, double b, double c)
{
if(d == 0) return b;
t /= d;
return c*t*t*t*t + b;
};
double Tween::easeOutQuartic(double t, double d, double b, double c)
{
if(d == 0) return b;
t /= d;
t--;
return -c * (t*t*t*t - 1) + b;
};
double Tween::easeInOutQuartic(double t, double d, double b, double c)
{
if(d == 0) return b;
t /= d/2;
if (t < 1) return c/2*t*t*t*t + b;
t -= 2;
return -c/2 * (t*t*t*t - 2) + b;
};
double Tween::easeInQuintic(double t, double d, double b, double c)
{
if(d == 0) return b;
t /= d;
return c*t*t*t*t*t + b;
};
double Tween::easeOutQuintic(double t, double d, double b, double c)
{
if(d == 0) return b;
t /= d;
t--;
return c*(t*t*t*t*t + 1) + b;
};
double Tween::easeInOutQuintic(double t, double d, double b, double c)
{
if(d == 0) return b;
t /= d/2;
if (t < 1) return c/2*t*t*t*t*t + b;
t -= 2;
return c/2*(t*t*t*t*t + 2) + b;
};
double Tween::easeInSine(double t, double d, double b, double c)
{
return -c * cos(t/d * (M_PI/2)) + c + b;
};
double Tween::easeOutSine(double t, double d, double b, double c)
{
return c * sin(t/d * (M_PI/2)) + b;
};
double Tween::easeInOutSine(double t, double d, double b, double c)
{
return -c/2 * (cos( M_PI*t/d) - 1) + b;
};
double Tween::easeInExponential(double t, double d, double b, double c)
{
return c * pow( 2, 10 * (t/d - 1) ) + b;
};
double Tween::easeOutExponential(double t, double d, double b, double c)
{
return c * ( - pow( 2, -10 * t/d ) + 1 ) + b;
};
double Tween::easeInOutExponential(double t, double d, double b, double c)
{
t /= d/2;
if (t < 1) return c/2 * pow( 2, 10 * (t - 1) ) + b;
t--;
return c/2 * ( -1* pow( 2, -10 * t) + 2 ) + b;
};
double Tween::easeInCircular(double t, double d, double b, double c)
{
t /= d;
return -c * (sqrt(1 - t*t) - 1) + b;
};
double Tween::easeOutCircular(double t, double d, double b, double c)
{
t /= d;
t--;
return c * sqrt(1 - t*t) + b;
};
double Tween::easeInOutCircular(double t, double d, double b, double c)
{
t /= d/2;
if (t < 1) return -c/2 * (sqrt(1 - t*t) - 1) + b;
t -= 2;
return c/2 * (sqrt(1 - t*t) + 1) + b;
}