Merging r5975 through r6036 from trunk to ogl-es branch.

GLES drivers adapted, but only did make compile-tests. git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475
2020-01-03 19:05:16 +00:00
commit 2ae2a551a6
2007 changed files with 635880 additions and 0 deletions
--- a/tests/terrainSceneNode.cpp
+++ b/tests/terrainSceneNode.cpp
@@ -0,0 +1,128 @@
+
+#include "testUtils.h"
+
+using namespace irr;
+using namespace core;
+
+namespace
+{
+
+// test camera changes with terrain scene node recalculation
+bool terrainRecalc(void)
+{
+	IrrlichtDevice *device =
+		createDevice(video::EDT_BURNINGSVIDEO, dimension2du(160, 120), 32);
+
+	if (!device)
+		return true;
+
+	video::IVideoDriver* driver = device->getVideoDriver();
+	scene::ISceneManager* smgr = device->getSceneManager();
+
+	scene::ITerrainSceneNode* terrain = smgr->addTerrainSceneNode(
+		"../media/terrain-heightmap.bmp");
+	terrain->setScale(core::vector3df(40.f, .1f, 40.f));
+
+	terrain->setMaterialFlag(video::EMF_LIGHTING, false);
+	terrain->setMaterialTexture(0, driver->getTexture("../media/terrain-texture.jpg"));
+	terrain->setDebugDataVisible(scene::EDS_FULL);
+
+	scene::ICameraSceneNode* camera = smgr->addCameraSceneNode();
+
+	const core::vector3df center(terrain->getBoundingBox().getCenter());
+	camera->setTarget(center);
+
+	// yes, Y is intentionally being set to X here
+	const core::vector3df above (center.X, center.X, center.Z);
+	camera->setPosition (above);
+	camera->setUpVector(vector3df(1.f, 0.f, 0.f));
+	camera->setFarValue(above.Y);
+
+	device->run();
+	smgr->drawAll();
+
+
+	// This shouldn't cause a recalc
+	camera->setUpVector(vector3df(1.f, 0.f, .01f).normalize());
+	device->run();
+	driver->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, video::SColor(255,100,101,140));
+	smgr->drawAll();
+	driver->endScene();
+
+	// Note that this has to be a slightly fuzzier than usual compare to satisfy multiple OpenGL environments
+	bool result = takeScreenshotAndCompareAgainstReference(driver, "-terrainSceneNode-1.png", 97.98f);
+	if(!result)
+	{
+		logTestString("Small camera up rotation caused bad recalc.\n");
+	}
+
+	// This is big enough to cause a recalc
+	camera->setUpVector(vector3df(1.f, 0.f, .1f).normalize());
+	device->run();
+	driver->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, video::SColor(255,100,101,140));
+	smgr->drawAll();
+	driver->endScene();
+
+	result &= takeScreenshotAndCompareAgainstReference(driver, "-terrainSceneNode-2.png", 98.38f);
+	if(!result)
+	{
+		logTestString("Large camera up rotation caused bad recalc.\n");
+	}
+
+	device->closeDevice();
+	device->run();
+	device->drop();
+	return result;
+}
+
+bool terrainGaps()
+{
+	IrrlichtDevice* device = createDevice(video::EDT_BURNINGSVIDEO, dimension2d<u32>(160, 120));
+	if (!device)
+		return true;
+
+	video::IVideoDriver * irrVideo = device->getVideoDriver();
+	scene::ISceneManager* irrScene = device->getSceneManager();
+
+	// Add camera
+	scene::ICameraSceneNode* camera = irrScene->addCameraSceneNode();
+	camera->setPosition(vector3df(20000, 500, 12800));
+	camera->setTarget(vector3df(16800, 0, 12800));
+	camera->setFarValue(42000.0f);
+
+	// Add terrain scene node
+	for (u32 i = 0; i < 2; i++)
+	{
+		const char* name="media/ter1.png";
+		scene::ITerrainSceneNode* terrain = irrScene->addTerrainSceneNode(
+				name, 0, -1,
+				vector3df((f32)(256*50), 0.f, (f32)(i*256*50)),// position 12800(==imgsize*scale)
+				vector3df(0.f, 0.f, 0.f), // rotation
+				vector3df(50.f, 15.0f, 50.f) // scale 50 15 50
+		);
+
+		terrain->setMaterialFlag(video::EMF_LIGHTING, false);
+		terrain->setMaterialFlag(video::EMF_WIREFRAME, !terrain->getMaterial(0).Wireframe);
+	}
+   
+	irrVideo->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, video::SColor(0,150,150,150));
+	irrScene->drawAll();
+	irrVideo->endScene();
+
+	bool result = takeScreenshotAndCompareAgainstReference(irrVideo, "-terrainGap.png");
+
+	device->closeDevice();
+	device->run();
+	device->drop();
+	return result;
+}
+
+}
+
+bool terrainSceneNode()
+{
+	bool result = terrainRecalc();
+	result &= terrainGaps();
+	return result;
+}
+