/**************************************************************************** * Copyright (C) 2015 Dimok * * 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 3 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. If not, see . ****************************************************************************/ #include "GuiElement.h" //! TODO remove this! static int screenwidth = 1280; static int screenheight = 720; /** * Constructor for the Object class. */ GuiElement::GuiElement() { xoffset = 0.0f; yoffset = 0.0f; zoffset = 0.0f; width = 0.0f; height = 0.0f; alpha = 1.0f; scaleX = 1.0f; scaleY = 1.0f; scaleZ = 1.0f; for(int i = 0; i < 4; i++) state[i] = STATE_DEFAULT; stateChan = -1; parentElement = NULL; rumble = true; selectable = false; clickable = false; holdable = false; visible = true; yoffsetDyn = 0; xoffsetDyn = 0; alphaDyn = -1; scaleDyn = 1; effects = EFFECT_NONE; effectAmount = 0; effectTarget = 0; effectsOver = EFFECT_NONE; effectAmountOver = 0; effectTargetOver = 0; angle = 0.0f; // default alignment - align to top left alignment = (ALIGN_CENTER | ALIGN_MIDDLE); } /** * Get the left position of the GuiElement. * @see SetLeft() * @return Left position in pixel. */ f32 GuiElement::getLeft() { f32 pWidth = 0; f32 pLeft = 0; f32 pScaleX = 1.0f; if(parentElement) { pWidth = parentElement->getWidth(); pLeft = parentElement->getLeft(); pScaleX = parentElement->getScaleX(); } pLeft += xoffsetDyn; f32 x = pLeft; //! TODO: the conversion from int to float and back to int is bad for performance, change that if(alignment & ALIGN_CENTER) { x = pLeft + pWidth * 0.5f * pScaleX - width * 0.5f * getScaleX(); } else if(alignment & ALIGN_RIGHT) { x = pLeft + pWidth * pScaleX - width * getScaleX(); } return x + xoffset; } /** * Get the top position of the GuiElement. * @see SetTop() * @return Top position in pixel. */ f32 GuiElement::getTop() { f32 pHeight = 0; f32 pTop = 0; f32 pScaleY = 1.0f; if(parentElement) { pHeight = parentElement->getHeight(); pTop = parentElement->getTop(); pScaleY = parentElement->getScaleY(); } pTop += yoffsetDyn; f32 y = pTop; //! TODO: the conversion from int to float and back to int is bad for performance, change that if(alignment & ALIGN_MIDDLE) { y = pTop + pHeight * 0.5f * pScaleY - height * 0.5f * getScaleY(); } else if(alignment & ALIGN_BOTTOM) { y = pTop + pHeight * pScaleY - height * getScaleY(); } return y + yoffset; } void GuiElement::setEffect(int eff, int amount, int target) { if(eff & EFFECT_SLIDE_IN) { // these calculations overcompensate a little if(eff & EFFECT_SLIDE_TOP) { if(eff & EFFECT_SLIDE_FROM) yoffsetDyn = (int) -getHeight()*scaleY; else yoffsetDyn = -screenheight; } else if(eff & EFFECT_SLIDE_LEFT) { if(eff & EFFECT_SLIDE_FROM) xoffsetDyn = (int) -getWidth()*scaleX; else xoffsetDyn = -screenwidth; } else if(eff & EFFECT_SLIDE_BOTTOM) { if(eff & EFFECT_SLIDE_FROM) yoffsetDyn = (int) getHeight()*scaleY; else yoffsetDyn = screenheight; } else if(eff & EFFECT_SLIDE_RIGHT) { if(eff & EFFECT_SLIDE_FROM) xoffsetDyn = (int) getWidth()*scaleX; else xoffsetDyn = screenwidth; } } if((eff & EFFECT_FADE) && amount > 0) { alphaDyn = 0; } else if((eff & EFFECT_FADE) && amount < 0) { alphaDyn = alpha; } effects |= eff; effectAmount = amount; effectTarget = target; } //!Sets an effect to be enabled on wiimote cursor over //!\param e Effect to enable //!\param a Amount of the effect (usage varies on effect) //!\param t Target amount of the effect (usage varies on effect) void GuiElement::setEffectOnOver(int e, int a, int t) { effectsOver |= e; effectAmountOver = a; effectTargetOver = t; } void GuiElement::resetEffects() { yoffsetDyn = 0; xoffsetDyn = 0; alphaDyn = -1; scaleDyn = 1; effects = EFFECT_NONE; effectAmount = 0; effectTarget = 0; effectsOver = EFFECT_NONE; effectAmountOver = 0; effectTargetOver = 0; } void GuiElement::updateEffects() { if(!this->isVisible() && parentElement) return; if(effects & (EFFECT_SLIDE_IN | EFFECT_SLIDE_OUT | EFFECT_SLIDE_FROM)) { if(effects & EFFECT_SLIDE_IN) { if(effects & EFFECT_SLIDE_LEFT) { xoffsetDyn += effectAmount; if(xoffsetDyn >= 0) { xoffsetDyn = 0; effects = 0; effectFinished(this); } } else if(effects & EFFECT_SLIDE_RIGHT) { xoffsetDyn -= effectAmount; if(xoffsetDyn <= 0) { xoffsetDyn = 0; effects = 0; effectFinished(this); } } else if(effects & EFFECT_SLIDE_TOP) { yoffsetDyn += effectAmount; if(yoffsetDyn >= 0) { yoffsetDyn = 0; effects = 0; effectFinished(this); } } else if(effects & EFFECT_SLIDE_BOTTOM) { yoffsetDyn -= effectAmount; if(yoffsetDyn <= 0) { yoffsetDyn = 0; effects = 0; effectFinished(this); } } } else { if(effects & EFFECT_SLIDE_LEFT) { xoffsetDyn -= effectAmount; if(xoffsetDyn <= -screenwidth) { effects = 0; // shut off effect effectFinished(this); } else if((effects & EFFECT_SLIDE_FROM) && xoffsetDyn <= -getWidth()) { effects = 0; // shut off effect effectFinished(this); } } else if(effects & EFFECT_SLIDE_RIGHT) { xoffsetDyn += effectAmount; if(xoffsetDyn >= screenwidth) { effects = 0; // shut off effect effectFinished(this); } else if((effects & EFFECT_SLIDE_FROM) && xoffsetDyn >= getWidth()*scaleX) { effects = 0; // shut off effect effectFinished(this); } } else if(effects & EFFECT_SLIDE_TOP) { yoffsetDyn -= effectAmount; if(yoffsetDyn <= -screenheight) { effects = 0; // shut off effect effectFinished(this); } else if((effects & EFFECT_SLIDE_FROM) && yoffsetDyn <= -getHeight()) { effects = 0; // shut off effect effectFinished(this); } } else if(effects & EFFECT_SLIDE_BOTTOM) { yoffsetDyn += effectAmount; if(yoffsetDyn >= screenheight) { effects = 0; // shut off effect effectFinished(this); } else if((effects & EFFECT_SLIDE_FROM) && yoffsetDyn >= getHeight()) { effects = 0; // shut off effect effectFinished(this); } } } } else if(effects & EFFECT_FADE) { alphaDyn += effectAmount * (1.0f / 255.0f); if(effectAmount < 0 && alphaDyn <= 0) { alphaDyn = 0; effects = 0; // shut off effect effectFinished(this); } else if(effectAmount > 0 && alphaDyn >= alpha) { alphaDyn = alpha; effects = 0; // shut off effect effectFinished(this); } } else if(effects & EFFECT_SCALE) { scaleDyn += effectAmount * 0.01f; if((effectAmount < 0 && scaleDyn <= (effectTarget * 0.01f)) || (effectAmount > 0 && scaleDyn >= (effectTarget * 0.01f))) { scaleDyn = effectTarget * 0.01f; effects = 0; // shut off effect effectFinished(this); } } }