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Diffstat (limited to 'src/player/RectNode.cpp')
| -rw-r--r-- | src/player/RectNode.cpp | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/src/player/RectNode.cpp b/src/player/RectNode.cpp new file mode 100644 index 0000000..980a957 --- /dev/null +++ b/src/player/RectNode.cpp @@ -0,0 +1,178 @@ +// +// libavg - Media Playback Engine. +// Copyright (C) 2003-2014 Ulrich von Zadow +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library 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 +// Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// +// Current versions can be found at www.libavg.de +// + +#include "RectNode.h" + +#include "TypeDefinition.h" + +#include "../graphics/VertexArray.h" +#include "../base/Exception.h" +#include "../base/MathHelper.h" + +#include <iostream> +#include <sstream> + +using namespace std; + +namespace avg { + +void RectNode::registerType() +{ + float texCoords[] = {0, 0.25f, 0.5f, 0.75f, 1}; + TypeDefinition def = TypeDefinition("rect", "filledvectornode", + ExportedObject::buildObject<RectNode>) + .addArg(Arg<glm::vec2>("pos", glm::vec2(0,0), false, + offsetof(RectNode, m_Rect.tl))) + .addArg(Arg<glm::vec2>("size", glm::vec2(0,0))) + .addArg(Arg<float>("angle", 0.0f, false, offsetof(RectNode, m_Angle))) + .addArg(Arg<vector<float> >("texcoords", vectorFromCArray(5, texCoords), false, + offsetof(RectNode, m_TexCoords))) + ; + TypeRegistry::get()->registerType(def); +} + +RectNode::RectNode(const ArgList& args) + : FilledVectorNode(args) +{ + args.setMembers(this); + setSize(args.getArgVal<glm::vec2>("size")); +} + +RectNode::~RectNode() +{ +} + +const glm::vec2& RectNode::getPos() const +{ + return m_Rect.tl; +} + +void RectNode::setPos(const glm::vec2& pt) +{ + float w = m_Rect.width(); + float h = m_Rect.height(); + m_Rect.tl = pt; + m_Rect.setWidth(w); + m_Rect.setHeight(h); + setDrawNeeded(); +} + +glm::vec2 RectNode::getSize() const +{ + return m_Rect.size(); +} + +void RectNode::setSize(const glm::vec2& pt) +{ + m_Rect.setWidth(pt.x); + m_Rect.setHeight(pt.y); + notifySubscribers("SIZE_CHANGED", m_Rect.size()); + setDrawNeeded(); +} + +const vector<float>& RectNode::getTexCoords() const +{ + return m_TexCoords; +} + +void RectNode::setTexCoords(const vector<float>& coords) +{ + if (coords.size() != 5) { + throw(Exception(AVG_ERR_OUT_OF_RANGE, + "Number of texture coordinates for a rectangle must be 5.")); + } + m_TexCoords = coords; + setDrawNeeded(); +} + +float RectNode::getAngle() const +{ + return m_Angle; +} + +void RectNode::setAngle(float angle) +{ + m_Angle = fmod(angle, 2*PI); + setDrawNeeded(); +} + +glm::vec2 RectNode::toLocal(const glm::vec2& globalPos) const +{ + glm::vec2 localPos = globalPos - m_Rect.tl; + glm::vec2 pivot = m_Rect.size()/2.f; + return getRotatedPivot(localPos, -m_Angle, pivot); +} + +glm::vec2 RectNode::toGlobal(const glm::vec2& localPos) const +{ + glm::vec2 pivot = m_Rect.tl + m_Rect.size()/2.f; + glm::vec2 globalPos = getRotatedPivot(localPos, m_Angle, pivot); + return globalPos + m_Rect.tl; +} + +void RectNode::getElementsByPos(const glm::vec2& pos, vector<NodePtr>& pElements) +{ + if (pos.x >= 0 && pos.y >= 0 && pos.x < m_Rect.size().x && pos.y < m_Rect.size().y + && reactsToMouseEvents()) + { + pElements.push_back(getSharedThis()); + } +} + +void RectNode::calcVertexes(const VertexDataPtr& pVertexData, Pixel32 color) +{ + glm::vec2 pivot = m_Rect.tl+m_Rect.size()/2.f; + + glm::vec2 p1 = m_Rect.tl; + glm::vec2 p2(m_Rect.tl.x, m_Rect.br.y); + glm::vec2 p3 = m_Rect.br; + glm::vec2 p4(m_Rect.br.x, m_Rect.tl.y); + + vector<glm::vec2> pts; + pts.push_back(getRotatedPivot(p1, m_Angle, pivot)); + pts.push_back(getRotatedPivot(p2, m_Angle, pivot)); + pts.push_back(getRotatedPivot(p3, m_Angle, pivot)); + pts.push_back(getRotatedPivot(p4, m_Angle, pivot)); + calcPolyLine(pts, m_TexCoords, true, LJ_MITER, pVertexData, color); +} + +void RectNode::calcFillVertexes(const VertexDataPtr& pVertexData, Pixel32 color) +{ + glm::vec2 pivot = m_Rect.tl+m_Rect.size()/2.f; + + glm::vec2 p1 = m_Rect.tl; + glm::vec2 p2(m_Rect.tl.x, m_Rect.br.y); + glm::vec2 p3 = m_Rect.br; + glm::vec2 p4(m_Rect.br.x, m_Rect.tl.y); + glm::vec2 rp1 = getRotatedPivot(p1, m_Angle, pivot); + glm::vec2 rp2 = getRotatedPivot(p2, m_Angle, pivot); + glm::vec2 rp3 = getRotatedPivot(p3, m_Angle, pivot); + glm::vec2 rp4 = getRotatedPivot(p4, m_Angle, pivot); + pVertexData->appendPos(rp1, getFillTexCoord1(), color); + glm::vec2 blTexCoord = glm::vec2(getFillTexCoord1().x, getFillTexCoord2().y); + pVertexData->appendPos(rp2, blTexCoord, color); + pVertexData->appendPos(rp3, getFillTexCoord2(), color); + glm::vec2 trTexCoord = glm::vec2(getFillTexCoord2().x, getFillTexCoord1().y); + pVertexData->appendPos(rp4, trTexCoord, color); + pVertexData->appendQuadIndexes(1, 0, 2, 3); +} + +} |