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source: GTP/trunk/Lib/Illum/IllumModule/OgreIllumModule/src/OgreRenderingRun.cpp @ 1592

Revision 1592, 10.9 KB checked in by szirmay, 18 years ago (diff)

Line
1	#include "OgreRenderingrun.h"
2	#include "OgreIlluminationManager.h"
3
4	MovablePlane* OgreRenderingRun::fullScreenQuad = NULL;
5	Entity* OgreRenderingRun::fullScreenQuadEntity = NULL;
6	SceneNode* OgreRenderingRun::fullScreenQuadNode = NULL;
7
8	class MaterialSetVisitor : public QueuedRenderableVisitor
9	{
10	private:
11	String materialName;
12	std::map<Renderable, String> visibleObjects;
13	public:
14
15	MaterialSetVisitor(String& materialName, std::map<Renderable, String> visibleObjects)
16	{
17	this->materialName = materialName;
18	this->visibleObjects = visibleObjects;
19	}
20
21	void visit(const Renderable* r)
22	{
23	Renderable* rend = (Renderable*) r; //sorry for removing the const
24
25	if( visibleObjects->count(rend) == 0)
26	{
27	(*visibleObjects)[rend] = rend->getMaterial().getPointer()->getName();
28	rend->setMaterialName(materialName);
29	}
30	}
31	bool visit(const Pass* p){return true;}
32	void visit(const RenderablePass* rp)
33	{
34	Renderable* rend = rp->renderable;
35
36	if( visibleObjects->count(rend) == 0)
37	{
38	(*visibleObjects)[rend] = rend->getMaterial().getPointer()->getName();
39	rend->setMaterialName(materialName);
40	}
41	}
42
43	};
44
45	Vector3 OgreRenderingRun::getCubeMapFaceDirection(unsigned char faceId)
46	{
47	switch(faceId)
48	{
49	case 0: //positive X
50	return Vector3(1,0,0);
51	case 1: //negative X
52	return Vector3(-1,0,0);
53	case 2: //positiove Y
54	return Vector3(0,1,0);
55	case 3: //negative Y
56	return Vector3(0,-1,0);
57	case 4: //positiove Z
58	return Vector3(0,0,-1);
59	case 5: //negative Z
60	return Vector3(0,0,1);
61	default:
62	return Vector3(0,0,0);
63	}
64	}
65
66	Texture* OgreRenderingRun::createCubeRenderTexture(String name, const Vector3 position, unsigned int resolution, PixelFormat format, int numMips, ColourValue clearColor)
67	{
68	//create texture
69	TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual( name,
70	"default",
71	TEX_TYPE_CUBE_MAP,
72	resolution,
73	resolution,
74	0,
75	numMips,
76	format,
77	TU_RENDERTARGET);
78	Texture* result = texPtr.getPointer();
79
80	//add viewports to faces
81	for(unsigned int i = 0; i < 6; i++)
82	{
83	Camera* cam = Root::getSingleton()._getCurrentSceneManager()
84	->createCamera(name + "CUBEMAPFACE_" + StringConverter::toString(i) + "_CAMERA");
85
86	cam->setPosition(position);
87	cam->setAspectRatio(1);
88	cam->setFOVy(Radian(Degree(90)));
89	cam->setNearClipDistance(0.1);
90	cam->setFarClipDistance(OgreIlluminationManager::getSingleton().
91	getMainCamera()->getFarClipDistance());
92
93	//set camera orientation
94	switch(i)
95	{
96	case 2:
97	cam->setOrientation(Quaternion(Radian(Degree(90)),Vector3(1,0,0)));
98	break;
99	case 3:
100	cam->setOrientation(Quaternion(Radian(Degree(90)),Vector3(-1,0,0)));
101	break;
102	default:
103	cam->setDirection(getCubeMapFaceDirection(i));
104	break;
105	}
106
107	HardwarePixelBuffer* hpb = (result->getBuffer(i, 0)).getPointer();
108	RenderTarget* rt = hpb->getRenderTarget(0);
109	Viewport* v = rt->addViewport(cam);
110	v->setOverlaysEnabled(false);
111	rt->setAutoUpdated(false);
112
113	Root::getSingleton().getRenderSystem()->_setViewport(v);
114	Root::getSingleton().getRenderSystem()->clearFrameBuffer( FBT_COLOUR, clearColor);
115	}
116
117	return result;
118
119	}
120
121	void OgreRenderingRun::setMaterialForRenderables(String& materialName, RenderQueue* rq, bool solidsonly)
122	{
123	RenderQueue::QueueGroupIterator queueIt = rq->_getQueueGroupIterator();
124
125	while (queueIt.hasMoreElements())
126	{
127	RenderQueueGroup* pGroup = queueIt.getNext();
128
129	RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
130
131	while (groupIt.hasMoreElements())
132	{
133	RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
134	const QueuedRenderableCollection& solids = pPriorityGrp->getSolidsBasic();
135	const QueuedRenderableCollection& transparents = pPriorityGrp->getTransparents();
136	MaterialSetVisitor visitor(materialName, &visibleObjects);
137	solids.acceptVisitor(&visitor, QueuedRenderableCollection::OM_PASS_GROUP);
138	if(!solidsonly)
139	transparents.acceptVisitor(&visitor, QueuedRenderableCollection::OM_SORT_ASCENDING);
140	}
141	}
142
143	//refill renderqueue
144	rq->clear();
145
146	std::map<Renderable*, String>::iterator it = visibleObjects.begin();
147	std::map<Renderable*, String>::iterator itend = visibleObjects.end();
148
149	while(it != itend)
150	{
151	rq->addRenderable((*it).first);
152	it++;
153	}
154
155	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
156	sm->setFindVisibleObjects(false);
157	}
158
159	void OgreRenderingRun::setMaterialForVisibles(String& materialName, Camera* cam, bool shadowcastersonly, bool solidsonly)
160	{
161	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
162
163	RenderQueue* rq = sm->getRenderQueue();
164	rq->clear();
165
166	RenderQueue::QueueGroupIterator groupIter = rq->_getQueueGroupIterator();
167	while (groupIter.hasMoreElements())
168	{
169	RenderQueueGroup* g = groupIter.getNext();
170	g->defaultOrganisationMode();
171	}
172
173	sm->_findVisibleObjects (cam, shadowcastersonly);
174
175	setMaterialForRenderables(materialName, rq, solidsonly);
176	}
177
178	void OgreRenderingRun::restoreMaterials()
179	{
180	std::map<Renderable*, String>::iterator it = visibleObjects.begin();
181	std::map<Renderable*, String>::iterator itend = visibleObjects.end();
182
183	while(it != itend)
184	{
185	((it).first)->setMaterialName((it).second);
186	it++;
187	}
188
189	visibleObjects.clear();
190
191	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
192	sm->setFindVisibleObjects(true);
193	}
194
195	void OgreRenderingRun::renderFullscreenQuad(String materialName, RenderTarget* target)
196	{
197	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
198
199	if(fullScreenQuad == NULL)
200	{
201	fullScreenQuad = new MovablePlane("PASS_FULLSCREENQUAD_PLANE");
202	fullScreenQuad->d = 0;
203	fullScreenQuad->normal = Vector3::UNIT_Z;
204	MeshManager::getSingleton().createPlane("PASS_FULLSCREENQUAD_MESH",
205	ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
206	*fullScreenQuad, 2, 2,
207	1, 1, true, 1, 1, 1, Vector3::UNIT_Y);
208	fullScreenQuadEntity = sm->createEntity( "PASS_FULLSCREENQUAD_ENTITY", "PASS_FULLSCREENQUAD_MESH" );
209	sm->getRootSceneNode()->attachObject(fullScreenQuadEntity);
210	fullScreenQuadEntity->setVisible(false);
211	}
212
213	fullScreenQuadEntity->setMaterialName(materialName);
214	sm->getRenderQueue()->clear();
215	sm->getRenderQueue()->addRenderable(fullScreenQuadEntity->getSubEntity(0));
216	sm->setFindVisibleObjects(false);
217	target->update();
218	sm->setFindVisibleObjects(true);
219	}
220
221	void OgreRenderingRun::renderFullscreenGrid(String& materialName, RenderTarget* rt, int width, int height)
222	{
223	SceneManager* sm = Root::getSingleton()._getCurrentSceneManager();
224
225	if(this->fullscreenGrid == NULL)
226	{
227	MeshPtr mesh = MeshManager::getSingleton().createManual("FullScreenGrid",ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
228	SubMesh* subMesh = mesh->createSubMesh();
229
230	mesh->sharedVertexData = new VertexData();
231	VertexData* vertexData = mesh->sharedVertexData;
232
233	// define the vertex format
234	VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
235	size_t currOffset = 0;
236	// positions
237	vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_POSITION);
238	currOffset += VertexElement::getTypeSize(VET_FLOAT3);
239
240	// allocate the vertex buffer
241	vertexData->vertexCount = width * height;
242	HardwareVertexBufferSharedPtr vBuf = HardwareBufferManager::getSingleton().createVertexBuffer(vertexDecl->getVertexSize(0), vertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
243	VertexBufferBinding* binding = vertexData->vertexBufferBinding;
244	binding->setBinding(0, vBuf);
245	float* pVertex = static_cast<float*>(vBuf->lock(HardwareBuffer::HBL_DISCARD));
246
247	// allocate index buffer
248	subMesh->indexData->indexCount = 6 * (width - 1) * (height - 1);
249	subMesh->indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(HardwareIndexBuffer::IT_16BIT, subMesh->indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
250	HardwareIndexBufferSharedPtr iBuf = subMesh->indexData->indexBuffer;
251	unsigned short* pIndices = static_cast<unsigned short*>(iBuf->lock(HardwareBuffer::HBL_DISCARD));
252
253	unsigned short wVerticeIndex = 0 ;
254
255
256	for( int j = 0; j < height; j++ )
257	{
258	for( int i = 0; i < width; i++ )
259	{ //positions
260	float x = ((float)i + 0.5) / (float) width;
261	float y = ((float)j + 0.5) / (float) height;
262	*pVertex++ = x;
263	*pVertex++ = y;
264	*pVertex++ = 0;
265
266	//indexes
267	if( j < height - 1 && i < width -1 )
268	{
269	pIndices++ = j width + i;
270	pIndices++ = (j + 1) width + i;
271	pIndices++ = j width + i + 1;
272	pIndices++ = j width + i + 1;
273	pIndices++ = (j + 1) width + i;
274	pIndices++ = (j + 1) width + i + 1;
275	}
276
277	}
278	}
279
280	// Unlock
281	vBuf->unlock();
282	iBuf->unlock();
283	// Generate face list
284	subMesh->useSharedVertices = true;
285
286	// this line makes clear the mesh is loaded (avoids memory leaks)
287	mesh->load();
288
289	fullscreenGrid = sm->createEntity("FullScreenGridEntity", "FullScreenGrid");
290	SceneNode* n = sm->getRootSceneNode()->createChildSceneNode("FullScreenGridNode");
291	n->attachObject(fullscreenGrid);
292	fullscreenGrid->setVisible(false);
293	}
294
295	fullscreenGrid->setMaterialName(materialName);
296
297	sm->getRenderQueue()->clear();
298	sm->getRenderQueue()->addRenderable(fullscreenGrid->getSubEntity(0));
299	sm->setFindVisibleObjects(false);
300	rt->update();
301	sm->setFindVisibleObjects(true);
302
303	}
304
305	void OgreRenderingRun::renderPixelSprites(String& materialName, RenderTarget* rt, int width, int height)
306	{
307	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
308
309	if(pixelSprites == 0)
310	{
311	int resolutionX = width;
312	int resolutionY = height;
313	pixelSprites = new BillboardSet(spriteSetName, resolutionX * resolutionY, true);
314	pixelSprites->setBillboardsInWorldSpace(true);
315	pixelSprites->setCullIndividually(false);
316	pixelSprites->setPointRenderingEnabled(true);
317	//pixelSprites->setDefaultDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
318	pixelSprites->beginBillboards();
319	for(int i = 0; i < resolutionX; i++)
320	{
321	for(int j = 0; j < resolutionY; j++)
322	{
323	Billboard bb( Vector3(
324	( (float)i + 0.5 )/ (float) resolutionX, //position x
325	( (float)j + 0.5 )/ (float) resolutionY, //position y
326	0),
327	pixelSprites);
328	bb.setDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
329	pixelSprites->injectBillboard(bb);
330	}
331	}
332	pixelSprites->endBillboards();
333
334	sm->getRootSceneNode()->attachObject(pixelSprites);
335
336	pixelSprites->setVisible(false);
337	}
338
339	pixelSprites->setMaterialName(materialName);
340
341	sm->getRenderQueue()->clear();
342	sm->getRenderQueue()->addRenderable(pixelSprites);
343	sm->setFindVisibleObjects(false);
344	rt->update();
345	sm->setFindVisibleObjects(true);
346
347	}
348

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