mirror of
https://github.com/minetest/irrlicht.git
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8310a3fbad
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
245 lines
14 KiB
C++
245 lines
14 KiB
C++
// Copyright (C) 2008-2012 Colin MacDonald
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// No rights reserved: this software is in the public domain.
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#include "testUtils.h"
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using namespace irr;
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using namespace core;
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using namespace scene;
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using namespace video;
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using namespace io;
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using namespace gui;
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// There's all sorts of minor and inevitable FP accuracy errors here, so use a sloppy comparison.
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static bool sloppyComparePlanes(const plane3df plane1, const plane3df plane2)
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{
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return(equals(plane1.D, plane2.D, 0.001f) &&
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equals(plane1.Normal.X, plane2.Normal.X, 0.001f) &&
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equals(plane1.Normal.Y, plane2.Normal.Y, 0.001f) &&
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equals(plane1.Normal.Z, plane2.Normal.Z, 0.001f));
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}
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static bool transformPlane(const vector3df & point, const vector3df & normal,
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const matrix4 & matrix, const plane3df & expected)
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{
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plane3df plane(point, vector3df(normal).normalize());
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logTestString("\n Pre N:(%.3ff,%.3ff,%.3ff), D:%.3ff\n",
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plane.Normal.X, plane.Normal.Y, plane.Normal.Z, plane.D);
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matrix.transformPlane(plane);
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logTestString(" Post N:(%.3ff,%.3ff,%.3ff), D:%.3ff\n",
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plane.Normal.X, plane.Normal.Y, plane.Normal.Z, plane.D);
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logTestString("Expected N:(%.3ff,%.3ff,%.3ff), D:%.3ff\n",
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expected.Normal.X, expected.Normal.Y, expected.Normal.Z, expected.D);
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if(!plane.Normal.equals(vector3df(plane.Normal).normalize()))
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{
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logTestString("Plane normal no longer normalized after transformation\n");
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assert_log(false);
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return false;
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}
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if(!sloppyComparePlanes(plane, expected))
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{
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logTestString("Unexpected result\n");
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assert_log(false);
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return false;
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}
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return true;
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}
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static bool drawScaledOctree(void)
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{
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bool result = false;
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IrrlichtDevice *device = createDevice(video::EDT_BURNINGSVIDEO, dimension2d<u32>(160, 120), 32);
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if (!device)
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return false;
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video::IVideoDriver* driver = device->getVideoDriver();
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ISceneManager * smgr = device->getSceneManager();
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bool added = device->getFileSystem()->addFileArchive("../media/map-20kdm2.pk3");
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assert_log(added);
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if(added)
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{
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ISceneNode * node = smgr->addOctreeSceneNode(smgr->getMesh("20kdm2.bsp")->getMesh(0), 0, -1, 1024);
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assert_log(node);
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if (node)
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{
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node->setMaterialFlag(EMF_LIGHTING, false);
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node->setPosition(core::vector3df(-1300,-820,-1249));
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node->setScale(core::vector3df(1, 5, 1));
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(void)smgr->addCameraSceneNode(0, core::vector3df(0,0,0), core::vector3df(40,100,30));
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driver->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, video::SColor(255,255,255,0));
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smgr->drawAll();
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driver->endScene();
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result = takeScreenshotAndCompareAgainstReference(driver, "-planeMatrix-scaledClip.png");
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}
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}
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device->closeDevice();
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device->run();
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device->drop();
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return result;
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}
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// Test the ability to transform a plane with a matrix.
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bool planeMatrix(void)
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{
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matrix4 rotationMatrix;
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rotationMatrix.setRotationDegrees(vector3df(90, 0, 0));
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matrix4 translationMatrix;
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translationMatrix.setTranslation(vector3df(0, 3, 0));
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matrix4 scaleMatrix;
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scaleMatrix.setScale(vector3df(1, 2, 3));
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bool success = true;
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matrix4 matrix = rotationMatrix;
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logTestString("\nRotation matrix\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f\n",
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matrix[0], matrix[1], matrix[2], matrix[3],
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matrix[4], matrix[5], matrix[6], matrix[7],
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matrix[8], matrix[9], matrix[10], matrix[11],
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matrix[12], matrix[13], matrix[14], matrix[15]);
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-.707f, 0.f, -.707f), 0.f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(.707f, 0.f, .707f), 0.f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-.707f, 0.f, .707f), 0.f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(.707f, 0.f, -.707f), 0.f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-.707f, 0.f, -.707f), .707f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(.707f, 0.f, .707f), -.707f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-.707f, 0.f, .707f), -.707f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(.707f, 0.f, -.707f), .707f));
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matrix = translationMatrix;
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logTestString("\nTranslation matrix\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f\n",
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matrix[0], matrix[1], matrix[2], matrix[3],
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matrix[4], matrix[5], matrix[6], matrix[7],
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matrix[8], matrix[9], matrix[10], matrix[11],
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matrix[12], matrix[13], matrix[14], matrix[15]);
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,-0.707f,0.000f), 2.121f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,0.707f,0.000f), -2.121f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,0.707f,0.000f), -2.121f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,-0.707f,0.000f), 2.121f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,-0.707f,0.000f), 2.828f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,0.707f,0.000f), -2.828f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,0.707f,0.000f), -2.828f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,-0.707f,0.000f), 2.828f));
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matrix = scaleMatrix;
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logTestString("\nScale matrix\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f\n",
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matrix[0], matrix[1], matrix[2], matrix[3],
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matrix[4], matrix[5], matrix[6], matrix[7],
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matrix[8], matrix[9], matrix[10], matrix[11],
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matrix[12], matrix[13], matrix[14], matrix[15]);
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,-0.354f,0.000f).normalize(), -0.000f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,0.354f,0.000f).normalize(), -0.000f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,0.354f,0.000f).normalize(), -0.000f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,-0.354f,0.000f).normalize(), -0.000f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,-0.354f,0.000f).normalize(), 0.894f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,0.354f,0.000f).normalize(), -0.894f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,0.354f,0.000f).normalize(), -0.894f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,-0.354f,0.000f).normalize(), 0.894f));
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matrix = rotationMatrix * translationMatrix;
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logTestString("\nRotation * translation matrix\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f\n",
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matrix[0], matrix[1], matrix[2], matrix[3],
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matrix[4], matrix[5], matrix[6], matrix[7],
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matrix[8], matrix[9], matrix[10], matrix[11],
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matrix[12], matrix[13], matrix[14], matrix[15]);
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,0.000f,-0.707f).normalize(), 2.121f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,-0.000f,0.707f).normalize(), -2.121f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,-0.000f,0.707f).normalize(), -2.121f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,0.000f,-0.707f).normalize(), 2.121f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,0.000f,-0.707f).normalize(), 2.828f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,-0.000f,0.707f).normalize(), -2.828f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,-0.000f,0.707f).normalize(), -2.828f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,0.000f,-0.707f).normalize(), 2.828f));
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matrix = rotationMatrix * scaleMatrix;
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logTestString("\nRotation * scale matrix\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f\n",
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matrix[0], matrix[1], matrix[2], matrix[3],
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matrix[4], matrix[5], matrix[6], matrix[7],
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matrix[8], matrix[9], matrix[10], matrix[11],
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matrix[12], matrix[13], matrix[14], matrix[15]);
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,0.000f,-0.354f).normalize(), -0.000f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,-0.000f,0.354f).normalize(), -0.000f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,-0.000f,0.354f).normalize(), -0.000f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,0.000f,-0.354f).normalize(), -0.000f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,0.000f,-0.354f).normalize(), 0.894f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,-0.000f,0.354f).normalize(), -0.894f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,-0.000f,0.354f).normalize(), -0.894f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,0.000f,-0.354f).normalize(), 0.894f));
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matrix = translationMatrix * scaleMatrix;
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logTestString("\nTranslation * scale matrix\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f\n",
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matrix[0], matrix[1], matrix[2], matrix[3],
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matrix[4], matrix[5], matrix[6], matrix[7],
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matrix[8], matrix[9], matrix[10], matrix[11],
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matrix[12], matrix[13], matrix[14], matrix[15]);
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,-0.354f,0.000f).normalize(), 1.3416f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,0.354f,0.000f).normalize(), -1.3416f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,0.354f,0.000f).normalize(), -1.3416f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,-0.354f,0.000f).normalize(), 1.3416f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,-0.354f,0.000f).normalize(), 2.236f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,0.354f,0.000f).normalize(), -2.236f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,0.354f,0.000f).normalize(), -2.236f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,-0.354f,0.000f).normalize(), 2.236f));
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matrix = rotationMatrix * translationMatrix * scaleMatrix;
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logTestString("\nRotation * translation * scale matrix\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f"
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"\n%02.02f %02.02f %02.02f %02.02f\n",
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matrix[0], matrix[1], matrix[2], matrix[3],
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matrix[4], matrix[5], matrix[6], matrix[7],
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matrix[8], matrix[9], matrix[10], matrix[11],
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matrix[12], matrix[13], matrix[14], matrix[15]);
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,0.000f,-0.354f).normalize(), 1.3416f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,-0.000f,0.354f).normalize(), -1.3416f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,-0.000f,0.354f).normalize(), -1.3416f));
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success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,0.000f,-0.354f).normalize(), 1.3416f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,0.000f,-0.354f).normalize(), 2.236f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,-0.000f,0.354f).normalize(), -2.236f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,-0.000f,0.354f).normalize(), -2.236f));
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success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,0.000f,-0.354f).normalize(), 2.236f));
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success &= drawScaledOctree();
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return success;
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}
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