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Tween.asc
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Tween.asc
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// ags-tween is open source under the MIT License.
// Uses Robert Penner's easing equestions which are under the BSD License.
//
// TERMS OF USE - AGS TWEEN MODULE (ags-tween)
//
// Copyright (c) 2009-present Edmundo Ruiz
//
// 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
#define NULL_TWEEN_DURATION -1.0
#define HALF_PI 1.570796327
#define DOUBLE_PI 6.283185307
#ifndef STRICT_AUDIO
#ifver 3.3.0
#define MUSIC_MASTER_VOLUME_MIN -210
#endif
#ifnver 3.3.0
#define MUSIC_MASTER_VOLUME_MIN 0
#endif
#endif
enum _TweenReferenceType {
_eTweenReferenceGUI,
_eTweenReferenceObject,
_eTweenReferenceCharacter,
_eTweenReferenceRegion,
_eTweenReferenceGUIControl,
_eTweenReferenceMisc,
#ifdef STRICT_AUDIO
_eTweenReferenceAudioChannel,
#endif
#ifver 3.4.0
_eTweenReferenceInventoryItem,
#endif
};
enum _TweenType {
_eTweenGUIPosition,
_eTweenGUITransparency,
_eTweenGUISize,
_eTweenGUIZOrder,
_eTweenObjectPosition,
_eTweenObjectTransparency,
_eTweenCharacterPosition,
_eTweenCharacterScaling,
_eTweenCharacterTransparency,
_eTweenCharacterAnimationSpeed,
_eTweenCharacterZ,
_eTweenRegionLightLevel,
_eTweenRegionTintRed,
_eTweenRegionTintGreen,
_eTweenRegionTintBlue,
_eTweenRegionTintSaturation,
_eTweenLabelTextColor,
_eTweenLabelTextColorRed,
_eTweenLabelTextColorGreen,
_eTweenLabelTextColorBlue,
_eTweenGUIControlPosition,
_eTweenGUIControlSize,
_eTweenButtonTextColor,
_eTweenButtonTextColorRed,
_eTweenButtonTextColorGreen,
_eTweenButtonTextColorBlue,
_eTweenSliderValue,
_eTweenListBoxSelectedIndex,
_eTweenListBoxTopItem,
_eTweenInvWindowTopItem,
_eTweenViewport,
_eTweenSystemGamma,
_eTweenShakeScreen,
_eTweenAreaScaling,
_eTweenSpeechVolume,
#ifver 3.1
_eTweenTextBoxTextColor,
_eTweenTextBoxTextColorRed,
_eTweenTextBoxTextColorGreen,
_eTweenTextBoxTextColorBlue,
_eTweenSliderHandleOffset,
#endif
#ifver 3.4.0
_eTweenAmbientLightLevel,
_eTweenCharacterLightLevel,
_eTweenCharacterProperty,
_eTweenHotspotProperty,
_eTweenInventoryItemProperty,
_eTweenObjectLightLevel,
_eTweenObjectProperty,
_eTweenRegionTintLuminance,
_eTweenRoomProperty,
#endif
#ifndef STRICT_AUDIO
_eTweenMusicMasterVolume,
_eTweenDigitalMasterVolume,
_eTweenSoundVolume,
_eTweenChannelVolume,
_eTweenMusicVolume,
#endif
#ifdef STRICT_AUDIO
_eTweenSystemVolume,
_eTweenAudioChannelVolume,
_eTweenAudioChannelRoomLocation,
_eTweenAudioChannelPanning,
_eTweenAudioChannelPosition,
#ifver 3.4.0
_eTweenAudioChannelSpeed,
#endif
#endif
};
struct _TweenObject extends TweenBase {
writeprotected _TweenType Type;
writeprotected _TweenReferenceType RefType;
writeprotected GUIControl* GUIControlRef;
writeprotected int RefID;
writeprotected float FromValue2;
writeprotected float ToValue2;
#ifver 3.4.0
writeprotected String StringRef;
#endif
import function InitTweenObject(int fromValue2, int toValue2, _TweenType type,
_TweenReferenceType refType, int refID, GUIControl* guiControlRef, String stringRef);
import function Release();
import bool Update();
import function Step(float amount);
import function ReverseTweenObject();
};
_TweenObject _tweens[Tween_MAX_INSTANCES];
float _longestTweenDuration = 0.0;
bool _increaseGameSpeedOnBlockingTweens = false;
int _gameSpeed = -1;
///////////////////////////////////////////////////////////////////////////////
// Utility Functions
///////////////////////////////////////////////////////////////////////////////
#ifdef DEBUG
function _AssertTrue(bool statement, String errorMessage) {
if (!statement) {
AbortGame(errorMessage);
}
}
#endif
#ifdef STRICT_AUDIO
/*
* Workaround for the following AGS issues with the new audio system:
* 1. http://www.adventuregamestudio.co.uk/forums/index.php?topic=42186.0
* 2. http://www.adventuregamestudio.co.uk/forums/index.php?topic=45071.0
*/
bool _ShouldLeaveAudioAlone(AudioChannel *channel) {
return (channel == null || Game.SkippingCutscene);
}
#endif
float _GetTweenRemainingDuration(int index) {
return _tweens[index].Duration - _tweens[index].Elapsed;
}
float _remainingDuration;
function _CheckIfIsLongestTween(int index) {
_remainingDuration = _GetTweenRemainingDuration(index);
if (_tweens[index].Style != eReverseRepeatTween &&
_tweens[index].Style != eRepeatTween &&
_remainingDuration > _longestTweenDuration) {
_longestTweenDuration = _remainingDuration;
}
}
///////////////////////////////////////////////////////////////////////////////
// TweenGame Functions
///////////////////////////////////////////////////////////////////////////////
static int TweenGame::GetRFromColor(int color) {
float floatColor = IntToFloat(color);
return FloatToInt(floatColor / 2048.0) * 8;
}
static int TweenGame::GetGFromColor(int color) {
float floatColor = IntToFloat(color);
return FloatToInt(( floatColor - IntToFloat(FloatToInt(floatColor / 2048.0) * 2048)) / 64.0) * 8;
}
static int TweenGame::GetBFromColor(int color) {
float floatColor = IntToFloat(color);
float withoutR = floatColor - IntToFloat(FloatToInt(floatColor / 2048.0) * 2048);
int withoutRInt = FloatToInt(withoutR);
float withoutG = withoutR - IntToFloat(FloatToInt(withoutR / 64.0) * 64);
int withoutGInt = FloatToInt(withoutG);
int result = withoutGInt * 8;
if (result > 255) {
result = (withoutGInt - 31) * 8 - 1;
}
return result;
}
///////////////////////////////////////////////////////////////////////////////
// TweenMaths Functions
///////////////////////////////////////////////////////////////////////////////
static float TweenMaths::Abs(float value) {
if (value < 0.0) {
return -value;
}
return value;
}
static float TweenMaths::GetDistance(int fromX, int fromY, int toX, int toY) {
return Maths.Sqrt(
Maths.RaiseToPower(IntToFloat(toX - fromX), 2.0) +
Maths.RaiseToPower(IntToFloat(toY - fromY), 2.0)
);
}
static int TweenMaths::Lerp(float from, float to, float t) {
return FloatToInt(from + (to - from) * t, eRoundNearest);
}
static int TweenMaths::ClampInt(int value, int min, int max) {
if (value > max) return max;
else if (value < min) return min;
return value;
}
static int TweenMaths::MaxInt(int a, int b) {
if (a > b) return a;
return b;
}
static int TweenMaths::MinInt(int a, int b) {
if (a < b) return a;
return b;
}
static float TweenMaths::ClampFloat(float value, float min, float max) {
if (value > max) return max;
else if (value < min) return min;
return value;
}
static float TweenMaths::MaxFloat(float a, float b) {
if (a > b) return a;
return b;
}
static float TweenMaths::MinFloat(float a,float b) {
if (a < b) return a;
return b;
}
///////////////////////////////////////////////////////////////////////////////
// Global Utility Functions
///////////////////////////////////////////////////////////////////////////////
int SecondsToLoops(float seconds) {
return FloatToInt(IntToFloat(GetGameSpeed()) * seconds, eRoundNearest);
}
float LoopsToSeconds(int loops) {
return IntToFloat(loops) / IntToFloat(GetGameSpeed());
}
function WaitSeconds(float seconds) {
Wait(SecondsToLoops(seconds));
}
function WaitForLongest(int duration1, int duration2, int duration3, int duration4, int duration5, int duration6) {
#ifdef DEBUG
_AssertTrue(duration1 >= 0, "WaitForLongest: duration1 cannot be negative!");
_AssertTrue(duration2 >= 0, "WaitForLongest: duration2 cannot be negative!");
_AssertTrue(duration3 >= 0, "WaitForLongest: duration3 cannot be negative!");
_AssertTrue(duration4 >= 0, "WaitForLongest: duration4 cannot be negative!");
_AssertTrue(duration5 >= 0, "WaitForLongest: duration5 cannot be negative!");
_AssertTrue(duration6 >= 0, "WaitForLongest: duration6 cannot be negative!");
#endif
if (duration2 > duration1) {
duration1 = duration2;
}
if (duration3 > duration1) {
duration1 = duration3;
}
if (duration4 > duration1) {
duration1 = duration4;
}
if (duration5 > duration1) {
duration1 = duration5;
}
if (duration6 > duration1) {
duration1 = duration6;
}
Wait(duration1);
}
function SetTimerWithSeconds(int timerID, float secondsTimeout) {
SetTimer(timerID, SecondsToLoops(secondsTimeout));
}
function SetTimerForLongest(int timerID, int timeout1, int timeout2, int timeout3, int timeout4, int timeout5, int timeout6) {
#ifdef DEBUG
_AssertTrue(timeout1 >= 0, "SetTimerForLongest: timeout1 cannot be negative!");
_AssertTrue(timeout2 >= 0, "SetTimerForLongest: timeout2 cannot be negative!");
_AssertTrue(timeout3 >= 0, "SetTimerForLongest: timeout3 cannot be negative!");
_AssertTrue(timeout4 >= 0, "SetTimerForLongest: timeout4 cannot be negative!");
_AssertTrue(timeout5 >= 0, "SetTimerForLongest: timeout5 cannot be negative!");
_AssertTrue(timeout6 >= 0, "SetTimerForLongest: timeout6 cannot be negative!");
#endif
if (timeout2 > timeout1) {
timeout1 = timeout2;
}
if (timeout3 > timeout1) {
timeout1 = timeout3;
}
if (timeout4 > timeout1) {
timeout1 = timeout4;
}
if (timeout5 > timeout1) {
timeout1 = timeout5;
}
if (timeout6 > timeout1) {
timeout1 = timeout6;
}
SetTimer(timerID, timeout1);
}
float SpeedToSeconds(float speed, int fromX, int fromY, int toX, int toY) {
return TweenMaths.GetDistance(fromX, fromY, toX, toY) / speed;
}
///////////////////////////////////////////////////////////////////////////////
// Tween Easing
///////////////////////////////////////////////////////////////////////////////
// TERMS OF USE - EASING EQUATIONS
//
// Open source under the BSD License.
//
// Copyright (c) 2001 Robert Penner
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the author nor the names of contributors may be used to
// endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
float _p, _s;
static float TweenEasing::EaseLinear(float t, float d) {
return t / d;
}
static float TweenEasing::EaseInSine(float t, float b, float c, float d) {
return -c * Maths.Cos((t/d) * HALF_PI) + c + b;
}
static float TweenEasing::EaseOutSine(float t, float b, float c, float d) {
return c * Maths.Sin((t/d) * HALF_PI) + b;
}
static float TweenEasing::EaseInOutSine(float t, float b, float c, float d) {
return (-c*0.5) * (Maths.Cos(Maths.Pi*(t/d)) -1.0) + b;
}
static float TweenEasing::EaseInPower(float t, float b, float c, float d, float exponent) {
t = t / d;
return c*Maths.RaiseToPower(t, exponent) + b;
}
static float TweenEasing::EaseOutPower(float t, float b, float c, float d, float exponent) {
_s = 1.0;
if (FloatToInt(exponent, eRoundDown) % 2 == 0) {
c = -c;
_s = -_s;
}
t = (t / d) - 1.0;
return c*(Maths.RaiseToPower(t, exponent) + _s) + b;
}
static float TweenEasing::EaseInOutPower(float t, float b, float c, float d, float exponent) {
t = t / (d*0.5);
if (t < 1.0) return (c*0.5)*Maths.RaiseToPower(t, exponent) + b;
_s = 2.0;
if (FloatToInt(exponent, eRoundDown) % 2 == 0) {
c = -c;
_s = -2.0;
}
return (c*0.5)*(Maths.RaiseToPower(t - 2.0, exponent) + _s) + b;
}
static float TweenEasing::EaseInQuad(float t, float b, float c, float d) {
t = (t / d);
return c*t*t + b;
}
static float TweenEasing::EaseOutQuad(float t, float b, float c, float d) {
t = (t / d);
return -c*t*(t-2.0) + b;
}
static float TweenEasing::EaseInOutQuad(float t, float b, float c, float d) {
t = t / (d*0.5);
if (t < 1.0) return (c*0.5)*t*t + b;
t = t - 1.0;
return -(c*0.5)*(t*(t-2.0) - 1.0) + b;
}
static float TweenEasing::EaseInExpo(float t, float b, float c, float d) {
if (t == 0.0) return b;
return c * Maths.RaiseToPower(2.0, 10.0 * (t/d - 1.0)) + b;
}
static float TweenEasing::EaseOutExpo(float t, float b, float c, float d) {
if (t == d) return b + c;
return c * (-Maths.RaiseToPower(2.0, -10.0 * (t/d)) + 1.0) + b;
}
static float TweenEasing::EaseInOutExpo(float t, float b, float c, float d) {
if (t == 0.0) return b;
if (t == d) return b + c;
t = t / (d*0.5);
if (t < 1.0) return (c*0.5) * Maths.RaiseToPower(2.0, 10.0 * (t - 1.0)) + b;
t = t - 1.0;
return (c*0.5) * (-Maths.RaiseToPower(2.0, -10.0 * t) + 2.0) + b;
}
static float TweenEasing::EaseInCirc(float t, float b, float c, float d) {
t = t / d;
return -c * (Maths.Sqrt(1.0 - t*t) - 1.0) + b;
}
static float TweenEasing::EaseOutCirc(float t, float b, float c, float d) {
t = t / d - 1.0;
return c * Maths.Sqrt(1.0 - t*t) + b;
}
static float TweenEasing::EaseInOutCirc(float t, float b, float c, float d) {
t = t / (d*0.5);
if (t < 1.0) return -(c*0.5) * (Maths.Sqrt(1.0 - t*t) - 1.0) + b;
t = t - 2.0;
return (c*0.5) * (Maths.Sqrt(1.0 - t*t) + 1.0) + b;
}
static float TweenEasing::EaseInBack(float t, float b, float c, float d) {
_s = 1.70158;
t = (t / d);
return c*t*t*((_s+1.0)*t - _s) + b;
}
static float TweenEasing::EaseOutBack(float t, float b, float c, float d) {
_s = 1.70158;
t = (t / d) - 1.0;
return c*(t*t*((_s+1.0)*t + _s) + 1.0) + b;
}
static float TweenEasing::EaseInOutBack(float t, float b, float c, float d) {
_s = 1.70158;
t = t / (d / 2.0);
_s = _s * 1.525;
if (t < 1.0) return (c/2.0)*(t*t*((_s+1.0)*t - _s)) + b;
t = t - 2.0;
return (c/2.0)*(t*t*((_s+1.0)*t + _s) + 2.0) + b;
}
static float TweenEasing::EaseOutBounce(float t, float b, float c, float d) {
t = t / d;
if (t < (1.0 / 2.75)) return c*(7.5625*t*t) + b;
else if (t < (2.0 / 2.75)) {
t = t - (1.5 / 2.75);
return c*(7.5625*t*t + 0.75) + b;
}
else if (t < (2.5 / 2.75)) {
t = t - (2.25 / 2.75);
return c*(7.5625*t*t + 0.9375) + b;
}
t = t - (2.625 / 2.75);
return c*(7.5625*t*t + 0.984375) + b;
}
static float TweenEasing::EaseInBounce(float t, float b, float c, float d) {
return c - TweenEasing.EaseOutBounce(d - t, 0.0, c, d) + b;
}
static float TweenEasing::EaseInOutBounce(float t, float b, float c, float d) {
if (t < (d / 2.0)) return TweenEasing.EaseInBounce(t * 2.0, 0.0, c, d) * 0.5 + b;
return (TweenEasing.EaseOutBounce((t * 2.0) - d, 0.0, c, d) * 0.5) + (c*0.5) + b;
}
static float TweenEasing::EaseInElastic(float t, float b, float c, float d) {
if (t == 0.0) return b;
t = t / d;
if (t == 1.0) return b + c;
_p = d * 0.3;
_s = _p / 4.0;
t = t - 1.0;
return -(c*Maths.RaiseToPower(2.0, 10.0*t) * Maths.Sin(((t*d - _s)*DOUBLE_PI) / _p)) + b;
}
static float TweenEasing::EaseOutElastic(float t, float b, float c, float d) {
if (t == 0.0) return b;
t = t / d;
if (t == 1.0) return b + c;
_p = d * 0.3;
_s = _p / 4.0;
return ((c*Maths.RaiseToPower(2.0, -10.0*t)) * Maths.Sin(((t*d - _s)*DOUBLE_PI / _p)) + c + b);
}
static float TweenEasing::EaseInOutElastic(float t, float b, float c, float d) {
if (t == 0.0) return b;
t = t / (d * 0.5);
if (t == 2.0) return b + c;
_p = d * (0.3 * 1.5);
_s = _p / 4.0;
if (t < 1.0) {
t = t - 1.0;
return -0.5*(c*Maths.RaiseToPower(2.0, 10.0*t) * Maths.Sin(((t*d - _s)*DOUBLE_PI) / _p)) + b;
}
t = t - 1.0;
return c*Maths.RaiseToPower(2.0, -10.0*t) * Maths.Sin(((t*d - _s)*DOUBLE_PI) / _p)*0.5 + c + b;
}
static float TweenEasing::GetValue(float elapsed, float duration, TweenEasingType easingType) {
if (easingType == eEaseLinearTween) return TweenEasing.EaseLinear(elapsed, duration);
if (easingType == eEaseInSineTween) return TweenEasing.EaseInSine(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseOutSineTween) return TweenEasing.EaseOutSine(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInOutSineTween) return TweenEasing.EaseInOutSine(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInCubicTween) return TweenEasing.EaseInPower(elapsed, 0.0, 1.0, duration, 3.0);
if (easingType == eEaseOutCubicTween) return TweenEasing.EaseOutPower(elapsed, 0.0, 1.0, duration, 3.0);
if (easingType == eEaseInOutCubicTween) return TweenEasing.EaseInOutPower(elapsed, 0.0, 1.0, duration, 3.0);
if (easingType == eEaseInQuartTween) return TweenEasing.EaseInPower(elapsed, 0.0, 1.0, duration, 4.0);
if (easingType == eEaseOutQuartTween) return TweenEasing.EaseOutPower(elapsed, 0.0, 1.0, duration, 4.0);
if (easingType == eEaseInOutQuartTween) return TweenEasing.EaseInOutPower(elapsed, 0.0, 1.0, duration, 4.0);
if (easingType == eEaseInQuintTween) return TweenEasing.EaseInPower(elapsed, 0.0, 1.0, duration, 5.0);
if (easingType == eEaseOutQuintTween) return TweenEasing.EaseOutPower(elapsed, 0.0, 1.0, duration, 5.0);
if (easingType == eEaseInOutQuintTween) return TweenEasing.EaseInOutPower(elapsed, 0.0, 1.0, duration, 5.0);
if (easingType == eEaseInQuadTween) return TweenEasing.EaseInQuad(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseOutQuadTween) return TweenEasing.EaseOutQuad(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInOutQuadTween) return TweenEasing.EaseInOutQuad(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInExpoTween) return TweenEasing.EaseInExpo(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseOutExpoTween) return TweenEasing.EaseOutExpo(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInOutExpoTween) return TweenEasing.EaseInOutExpo(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInCircTween) return TweenEasing.EaseInCirc(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseOutCircTween) return TweenEasing.EaseOutCirc(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInOutCircTween) return TweenEasing.EaseInOutCirc(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInBackTween) return TweenEasing.EaseInBack(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseOutBackTween) return TweenEasing.EaseOutBack(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInOutBackTween) return TweenEasing.EaseInOutBack(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInElasticTween) return TweenEasing.EaseInElastic(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseOutElasticTween) return TweenEasing.EaseOutElastic(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInOutElasticTween) return TweenEasing.EaseInOutElastic(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInBounceTween) return TweenEasing.EaseInBounce(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseOutBounceTween) return TweenEasing.EaseOutBounce(elapsed, 0.0, 1.0, duration);
if (easingType == eEaseInOutBounceTween) return TweenEasing.EaseInOutBounce(elapsed, 0.0, 1.0, duration);
return TweenEasing.EaseLinear(elapsed, duration);
}
// END BSD LICENSE
///////////////////////////////////////////////////////////////////////////////
// TweenBase Functions
///////////////////////////////////////////////////////////////////////////////
function TweenBase::Restart() {
this.Elapsed = -this.StartDelay;
}
function TweenBase::Reverse() {
float fromValue = this.ToValue;
this.ToValue = this.FromValue;
this.FromValue = fromValue;
TweenEasingType easingType = this.EasingType;
if (easingType == eEaseOutSineTween) easingType = eEaseInSineTween;
else if (easingType == eEaseInSineTween) easingType = eEaseOutSineTween;
else if (easingType == eEaseOutCubicTween) easingType = eEaseInCubicTween;
else if (easingType == eEaseInCubicTween) easingType = eEaseOutCubicTween;
else if (easingType == eEaseOutQuadTween) easingType = eEaseInQuadTween;
else if (easingType == eEaseInQuadTween) easingType = eEaseOutQuadTween;
else if (easingType == eEaseOutQuintTween) easingType = eEaseInQuintTween;
else if (easingType == eEaseInQuintTween) easingType = eEaseOutQuintTween;
else if (easingType == eEaseOutQuartTween) easingType = eEaseInQuartTween;
else if (easingType == eEaseInQuartTween) easingType = eEaseOutQuartTween;
else if (easingType == eEaseOutExpoTween) easingType = eEaseInExpoTween;
else if (easingType == eEaseInExpoTween) easingType = eEaseOutExpoTween;
else if (easingType == eEaseOutCircTween) easingType = eEaseInCircTween;
else if (easingType == eEaseInCircTween) easingType = eEaseOutCircTween;
else if (easingType == eEaseOutElasticTween) easingType = eEaseInElasticTween;
else if (easingType == eEaseInElasticTween) easingType = eEaseOutElasticTween;
else if (easingType == eEaseOutBounceTween) easingType = eEaseInBounceTween;
else if (easingType == eEaseInBounceTween) easingType = eEaseOutBounceTween;
else if (easingType == eEaseOutBackTween) easingType = eEaseInBackTween;
else if (easingType == eEaseInBackTween) easingType = eEaseOutBackTween;
this.EasingType = easingType;
}
bool TweenBase::IsPlaying() {
return this.Duration != NULL_TWEEN_DURATION && this.Elapsed <= this.Duration;
}
int TweenBase::Init(float timing, int fromValue, int toValue, TweenEasingType easingType, TweenStyle style, float startDelay, TweenTimingType timingType) {
if (timingType == eTweenSpeed) {
timing = TweenMaths.MaxFloat(1.0 / IntToFloat(GetGameSpeed()), SpeedToSeconds(timing, fromValue, 0, toValue, 0));
}
this.FromValue = IntToFloat(fromValue);
this.ToValue = IntToFloat(toValue);
this.Duration = IntToFloat(SecondsToLoops(timing));
this.StartDelay = IntToFloat(SecondsToLoops(TweenMaths.Abs(startDelay)));
this.Elapsed = -this.StartDelay;
this.EasingType = easingType;
this.Style = style;
return FloatToInt(this.Duration - this.Elapsed, eRoundUp) + 1;
}
///////////////////////////////////////////////////////////////////////////////
// _TweenObject Functions
///////////////////////////////////////////////////////////////////////////////
function _TweenObject::InitTweenObject(
int fromValue2, int toValue2, _TweenType type, _TweenReferenceType refType,
int refID, GUIControl* guiControlRef, String stringRef
) {
this.FromValue2 = IntToFloat(fromValue2);
this.ToValue2 = IntToFloat(toValue2);
this.Type = type;
this.RefType = refType;
this.RefID = refID;
this.GUIControlRef = guiControlRef;
#ifver 3.4.0
this.StringRef = stringRef;
#endif
}
function _TweenObject::Release() {
this.Duration = NULL_TWEEN_DURATION;
}
function _TweenObject::ReverseTweenObject() {
float fromValue2 = this.ToValue2;
this.ToValue2 = this.FromValue2;
this.FromValue2 = fromValue2;
this.Reverse();
}
int _value, _value2;
Region* _region;
function _TweenObject::Step(float amount) {
// GUI step
if (this.Type == _eTweenGUIPosition) {
if (this.FromValue == this.ToValue) _value = gui[this.RefID].X; else _value = TweenMaths.MinInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), System.ViewportWidth - 1);
if (this.FromValue2 == this.ToValue2) _value2 = gui[this.RefID].Y; else _value2 = TweenMaths.MinInt(TweenMaths.Lerp(this.FromValue2, this.ToValue2, amount), System.ViewportHeight - 1);
gui[this.RefID].SetPosition(_value, _value2);
}
else if (this.Type == _eTweenGUISize) {
if (this.FromValue == this.ToValue) _value = gui[this.RefID].Width; else _value = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 1, System.ViewportWidth);
if (this.FromValue2 == this.ToValue2) _value2 = gui[this.RefID].Height; else _value2 = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue2, this.ToValue2, amount), 1, System.ViewportHeight);
gui[this.RefID].SetSize(_value, _value2);
}
else if (this.Type == _eTweenGUITransparency) {
// Workaround for Popup Modal GUIs. If the scripter is fading this in, then make it vsible.
GUI* refGUI = gui[this.RefID];
if (this.Elapsed == 0.0 && refGUI.Visible == false && refGUI.Transparency == 100) {
refGUI.Visible = true;
}
refGUI.Transparency = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 100);
// Workaround for Popup Modal GUIs. If the scripter is fading this out, then make it invisble.
if (this.Elapsed == this.Duration && refGUI.Visible == true && refGUI.Transparency == 100) {
refGUI.Visible = false;
}
}
else if (this.Type == _eTweenGUIZOrder) {
gui[this.RefID].ZOrder = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
}
// OBJECT step
else if (this.Type == _eTweenObjectPosition) {
if (this.FromValue != this.ToValue) {
object[this.RefID].X = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
}
if (this.FromValue2 != this.ToValue2) {
object[this.RefID].Y = TweenMaths.Lerp(this.FromValue2, this.ToValue2, amount);
}
}
else if (this.Type == _eTweenObjectTransparency) {
Object *objectRef = object[this.RefID];
if (this.Elapsed == 0.0 && objectRef.Visible == false && objectRef.Transparency == 100) {
objectRef.Visible = true;
}
objectRef.Transparency = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 100);
if (this.Elapsed == this.Duration && objectRef.Visible == true && objectRef.Transparency == 100) {
objectRef.Visible = false;
}
}
// CHARACTER step
else if (this.Type == _eTweenCharacterPosition) {
if (this.FromValue != this.ToValue) {
character[this.RefID].x = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
}
if (this.FromValue2 != this.ToValue2) {
character[this.RefID].y = TweenMaths.Lerp(this.FromValue2, this.ToValue2, amount);
}
}
else if (this.Type == _eTweenCharacterScaling) {
character[this.RefID].Scaling = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 5, 200);
}
else if (this.Type == _eTweenCharacterTransparency) {
character[this.RefID].Transparency = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 100);
}
else if (this.Type == _eTweenCharacterAnimationSpeed) {
character[this.RefID].AnimationSpeed = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
}
else if (this.Type == _eTweenCharacterZ) {
character[this.RefID].z = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
}
// REGION step
else if (this.Type == _eTweenRegionLightLevel) {
_value = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), -100, 100);
region[this.RefID].LightLevel = _value;
}
else if (this.Type == _eTweenRegionTintRed) {
_region = region[this.RefID];
_value = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 255);
_value2 = TweenMaths.MaxInt(0, _region.TintSaturation);
#ifnver 3.4
_region.Tint(_value, _region.TintGreen, _region.TintBlue, _value2);
#endif
#ifver 3.4.0
_region.Tint(_value, _region.TintGreen, _region.TintBlue, _value2, _region.TintLuminance);
#endif
}
else if (this.Type == _eTweenRegionTintGreen) {
_region = region[this.RefID];
_value = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 255);
_value2 = TweenMaths.MaxInt(0, _region.TintSaturation);
#ifnver 3.4
_region.Tint(_region.TintRed, _value, _region.TintBlue, _value2);
#endif
#ifver 3.4.0
_region.Tint(_region.TintRed, _value, _region.TintBlue, _value2, _region.TintLuminance);
#endif
}
else if (this.Type == _eTweenRegionTintBlue) {
_region = region[this.RefID];
_value = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 255);
_value2 = TweenMaths.MaxInt(0, _region.TintSaturation);
#ifnver 3.4
_region.Tint(_region.TintRed, _region.TintGreen, _value, _value2);
#endif
#ifver 3.4.0
_region.Tint(_region.TintRed, _region.TintGreen, _value, _value2, _region.TintLuminance);
#endif
}
else if (this.Type == _eTweenRegionTintSaturation) {
_region = region[this.RefID];
_value = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 100);
#ifnver 3.4
_region.Tint(_region.TintRed, _region.TintGreen, _region.TintBlue, _value);
#endif
#ifver 3.4.0
_region.Tint(_region.TintRed, _region.TintGreen, _region.TintBlue, _value, _region.TintLuminance);
#endif
}
// GUICONTROL step
else if (this.Type == _eTweenGUIControlPosition) {
if (this.FromValue == this.ToValue) _value = this.GUIControlRef.X; else _value = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
if (this.FromValue2 == this.ToValue2) _value2 = this.GUIControlRef.Y; else _value2 = TweenMaths.Lerp(this.FromValue2, this.ToValue2, amount);
this.GUIControlRef.SetPosition(_value, _value2);
}
else if (this.Type == _eTweenGUIControlSize) {
if (this.FromValue == this.ToValue) _value = this.GUIControlRef.Width; else _value = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
if (this.FromValue2 == this.ToValue2) _value2 = this.GUIControlRef.Height; else _value2 = TweenMaths.Lerp(this.FromValue2, this.ToValue2, amount);
this.GUIControlRef.SetSize(_value, _value2);
}
// LABEL step
else if (this.Type == _eTweenLabelTextColor) {
this.GUIControlRef.AsLabel.TextColor = TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount));
}
else if (this.Type == _eTweenLabelTextColorRed) {
this.GUIControlRef.AsLabel.TextColor = Game.GetColorFromRGB(TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount)), TweenGame.GetGFromColor(this.GUIControlRef.AsLabel.TextColor), TweenGame.GetBFromColor(this.GUIControlRef.AsLabel.TextColor));
}
else if (this.Type == _eTweenLabelTextColorGreen) {
this.GUIControlRef.AsLabel.TextColor = Game.GetColorFromRGB(TweenGame.GetRFromColor(this.GUIControlRef.AsLabel.TextColor), TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount)), TweenGame.GetBFromColor(this.GUIControlRef.AsLabel.TextColor));
}
else if (this.Type == _eTweenLabelTextColorBlue) {
this.GUIControlRef.AsLabel.TextColor = Game.GetColorFromRGB(TweenGame.GetRFromColor(this.GUIControlRef.AsLabel.TextColor), TweenGame.GetGFromColor(this.GUIControlRef.AsLabel.TextColor), TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount)));
}
// BUTTON step
else if (this.Type == _eTweenButtonTextColor) {
this.GUIControlRef.AsButton.TextColor = TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount));
}
else if (this.Type == _eTweenButtonTextColorRed) {
this.GUIControlRef.AsButton.TextColor = Game.GetColorFromRGB(TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount)), TweenGame.GetGFromColor(this.GUIControlRef.AsLabel.TextColor), TweenGame.GetBFromColor(this.GUIControlRef.AsLabel.TextColor));
}
else if (this.Type == _eTweenButtonTextColorGreen) {
this.GUIControlRef.AsButton.TextColor = Game.GetColorFromRGB(TweenGame.GetRFromColor(this.GUIControlRef.AsButton.TextColor), TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount)), TweenGame.GetBFromColor(this.GUIControlRef.AsButton.TextColor));
}
else if (this.Type == _eTweenButtonTextColorBlue) {
this.GUIControlRef.AsButton.TextColor = Game.GetColorFromRGB(TweenGame.GetRFromColor(this.GUIControlRef.AsButton.TextColor), TweenGame.GetGFromColor(this.GUIControlRef.AsButton.TextColor), TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount)));
}
// TEXTBOX step
#ifver 3.1
else if (this.Type == _eTweenTextBoxTextColor) {
this.GUIControlRef.AsTextBox.TextColor = TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount));
}
else if (this.Type == _eTweenTextBoxTextColorRed) {
this.GUIControlRef.AsTextBox.TextColor = Game.GetColorFromRGB(TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount)), TweenGame.GetGFromColor(this.GUIControlRef.AsTextBox.TextColor), TweenGame.GetBFromColor(this.GUIControlRef.AsTextBox.TextColor));
}
else if (this.Type == _eTweenTextBoxTextColorGreen) {
this.GUIControlRef.AsTextBox.TextColor = Game.GetColorFromRGB(TweenGame.GetRFromColor(this.GUIControlRef.AsTextBox.TextColor), TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount)), TweenGame.GetBFromColor(this.GUIControlRef.AsTextBox.TextColor));
}
else if (this.Type == _eTweenTextBoxTextColorBlue) {
this.GUIControlRef.AsTextBox.TextColor = Game.GetColorFromRGB(TweenGame.GetRFromColor(this.GUIControlRef.AsTextBox.TextColor), TweenGame.GetGFromColor(this.GUIControlRef.AsTextBox.TextColor), TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount)));
}
#endif
// LISTBOX step
else if (this.Type == _eTweenListBoxSelectedIndex) {
this.GUIControlRef.AsListBox.SelectedIndex = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), -1, this.GUIControlRef.AsListBox.ItemCount - 1);
}
else if (this.Type == _eTweenListBoxTopItem) {
this.GUIControlRef.AsListBox.TopItem = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, this.GUIControlRef.AsListBox.ItemCount - 1);
}
// SLIDER step
else if (this.Type == _eTweenSliderValue) {
this.GUIControlRef.AsSlider.Value = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), this.GUIControlRef.AsSlider.Min, this.GUIControlRef.AsSlider.Max);
}
#ifver 3.1
else if (this.Type == _eTweenSliderHandleOffset) {
this.GUIControlRef.AsSlider.HandleOffset = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
}
#endif
// INVWINDOW step
else if (this.Type == _eTweenInvWindowTopItem) {
this.GUIControlRef.AsInvWindow.TopItem = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, this.GUIControlRef.AsInvWindow.ItemCount - 1);
}
// MISC step
else if (this.Type == _eTweenViewport) {
if (this.FromValue == this.ToValue) _value = GetViewportX(); else _value = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, Room.Width);
if (this.FromValue2 == this.ToValue2) _value2 = GetViewportY(); else _value2 = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue2, this.ToValue2, amount), 0, Room.Height);
SetViewport(_value, _value2);
}
else if (this.Type == _eTweenSystemGamma) {
System.Gamma = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 200);
}
else if (this.Type == _eTweenShakeScreen) {
ShakeScreenBackground(TweenMaths.MaxInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 2), TweenMaths.Lerp(this.FromValue2, this.ToValue2, amount), 1);
}
else if (this.Type == _eTweenAreaScaling) {
SetAreaScaling(this.RefID, TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 5, 200), TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue2, this.ToValue2, amount), 5, 200));
}
// AUDIO step
else if (this.Type == _eTweenSpeechVolume) {
SetSpeechVolume(TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 255));
}
#ifver 3.4.0
else if (this.Type == _eTweenAmbientLightLevel) {
_value = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), -100, 100);
SetAmbientLightLevel(_value);
}
else if (this.Type == _eTweenCharacterLightLevel) {
_value = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), -100, 100);
character[this.RefID].SetLightLevel(_value);
}
else if (this.Type == _eTweenCharacterProperty) {
_value = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
character[this.RefID].SetProperty(this.StringRef, _value);
}
else if (this.Type == _eTweenHotspotProperty) {
_value = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
hotspot[this.RefID].SetProperty(this.StringRef, _value);
}
else if (this.Type == _eTweenInventoryItemProperty) {
_value = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
inventory[this.RefID].SetProperty(this.StringRef, _value);
}
else if (this.Type == _eTweenObjectLightLevel) {
_value = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), -100, 100);
object[this.RefID].SetLightLevel(_value);
}
else if (this.Type == _eTweenObjectProperty) {
_value = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
object[this.RefID].SetProperty(this.StringRef, _value);
}
else if (this.Type == _eTweenRegionTintLuminance) {
_region = region[this.RefID];
_value = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 100);
_value2 = TweenMaths.MaxInt(0, _region.TintSaturation);
_region.Tint(_region.TintRed, _region.TintGreen, _region.TintBlue, _value2, _value);
}
else if (this.Type == _eTweenRoomProperty) {
_value = TweenMaths.Lerp(this.FromValue, this.ToValue, amount);
Room.SetProperty(this.StringRef, _value);
}
#endif
// Pre AGS 3.2 strict audio
#ifndef STRICT_AUDIO
else if (this.Type == _eTweenMusicMasterVolume) {
SetMusicMasterVolume(TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), MUSIC_MASTER_VOLUME_MIN, 100));
}
else if (this.Type == _eTweenDigitalMasterVolume) {
SetDigitalMasterVolume(TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 100));
}
else if (this.Type == _eTweenSoundVolume) {
SetSoundVolume(TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount)));
}
else if (this.Type == _eTweenChannelVolume) {
SetChannelVolume(this.RefID, TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount)));
}
else if (this.Type == _eTweenMusicVolume) {
SetMusicVolume(TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 100));
}
#endif
// AGS 3.2+ strict audio
#ifdef STRICT_AUDIO
else if (this.Type == _eTweenSystemVolume) {
System.Volume = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, 100);
}
else if (this.Type == _eTweenAudioChannelPosition) {
AudioChannel* channel = System.AudioChannels[this.RefID];
if (_ShouldLeaveAudioAlone(channel)) return;
channel.Seek(TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, channel.LengthMs));
}
else if (this.Type == _eTweenAudioChannelVolume) {
AudioChannel* channel = System.AudioChannels[this.RefID];
if (_ShouldLeaveAudioAlone(channel)) return;
channel.Volume = TweenMaths.MaxInt(0, TweenMaths.Lerp(this.FromValue, this.ToValue, amount));
}
else if (this.Type == _eTweenAudioChannelRoomLocation) {
AudioChannel* channel = System.AudioChannels[this.RefID];
if (_ShouldLeaveAudioAlone(channel)) return;
channel.SetRoomLocation(
TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0, Room.Width),
TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue2, this.ToValue2, amount), 0, Room.Height)
);
}
else if (this.Type == _eTweenAudioChannelPanning) {
AudioChannel* channel = System.AudioChannels[this.RefID];
if (_ShouldLeaveAudioAlone(channel)) return;
channel.Panning = TweenMaths.ClampInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), -100, 100);
}
#ifver 3.4.0
else if (this.Type == _eTweenAudioChannelSpeed) {
AudioChannel* channel = System.AudioChannels[this.RefID];
if (_ShouldLeaveAudioAlone(channel)) return;
channel.Speed = TweenMaths.MaxInt(TweenMaths.Lerp(this.FromValue, this.ToValue, amount), 0);
}
#endif
#endif
}
float _t;
bool _TweenObject::Update() {
if (this.Duration < 0.0) {
return false;
}
if (this.Elapsed < 0.0) {
// Handle delays.
this.Elapsed++;
}
else {
// Compute the amount based on the easingType
_t = TweenEasing.GetValue(this.Elapsed, this.Duration, this.EasingType);
// Step
this.Step(_t);
this.Elapsed++;
// Repeat if needed or Release
if (this.Elapsed > this.Duration) {
if (this.Style == eRepeatTween) {
this.Restart();
}
else if (this.Style == eReverseRepeatTween) {
this.ReverseTweenObject();
this.Restart();