db44852d8b
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@14824 178a84e3-b1eb-0310-8ba1-8eac791a3b58
98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
//
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// SuperTuxKart - a fun racing game with go-kart
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// Copyright (C) 2013 Lauri Kasanen
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 3
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include "graphics/light.hpp"
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#include "graphics/callbacks.hpp"
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#include "graphics/glwrap.hpp"
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#include "graphics/irr_driver.hpp"
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#include "graphics/material_manager.hpp"
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#include "graphics/material.hpp"
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#include "graphics/rtts.hpp"
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#include "graphics/shaders.hpp"
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#include "graphics/screenquad.hpp"
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using namespace video;
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using namespace scene;
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using namespace core;
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aabbox3df LightNode::box;
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LightNode::LightNode(scene::ISceneManager* mgr, float radius, float e, float r, float g, float b):
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ISceneNode(mgr->getRootSceneNode(), mgr, -1)
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{
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m_energy = e;
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m_energy_multiplier = 1.0f;
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m_color[0] = r;
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m_color[1] = g;
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m_color[2] = b;
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}
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LightNode::~LightNode()
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{
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}
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void LightNode::render()
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{
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return;
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}
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void LightNode::renderLightSet(const std::vector<float> &positions, const std::vector<float> &colors, const std::vector<float> &energy)
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{
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assert (colors.size() == positions.size() && positions.size() == (energy.size() * 4));
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ScreenQuad *sq = new ScreenQuad(irr_driver->getVideoDriver());
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SMaterial &mat = sq->getMaterial();
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mat.Lighting = false;
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mat.MaterialType = irr_driver->getShader(ES_POINTLIGHT);
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mat.setTexture(0, irr_driver->getRTT(RTT_NORMAL_AND_DEPTH));
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for (u32 i = 0; i < MATERIAL_MAX_TEXTURES; ++i)
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{
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mat.TextureLayer[i].TextureWrapU =
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mat.TextureLayer[i].TextureWrapV = ETC_CLAMP_TO_EDGE;
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}
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mat.setFlag(EMF_BILINEAR_FILTER, false);
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mat.setFlag(EMF_ZWRITE_ENABLE, false);
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mat.MaterialTypeParam = pack_textureBlendFunc(EBF_ONE, EBF_ONE);
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mat.BlendOperation = EBO_ADD;
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PointLightProvider * const cb = (PointLightProvider *) irr_driver->getCallback(ES_POINTLIGHT);
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cb->setColor(colors);
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cb->setPosition(positions);
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cb->setEnergy(energy);
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// Irrlicht's ScreenQuad reset the matrixes, we need to keep them
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IVideoDriver * const drv = irr_driver->getVideoDriver();
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matrix4 tmpworld = drv->getTransform(ETS_WORLD);
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matrix4 tmpview = drv->getTransform(ETS_VIEW);
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matrix4 tmpproj = drv->getTransform(ETS_PROJECTION);
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sq->render(false);
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drv->setTransform(ETS_WORLD, tmpworld);
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drv->setTransform(ETS_VIEW, tmpview);
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drv->setTransform(ETS_PROJECTION, tmpproj);
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return;
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}
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void LightNode::OnRegisterSceneNode()
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{ // This node is only drawn manually.
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}
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