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source: GTP/trunk/Lib/Illum/IllumModule/OgreIllumModule/src/OgreRenderingRun.cpp @ 2265

Revision 2265, 11.3 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	v->setBackgroundColour(clearColor);
113	Root::getSingleton()._getCurrentSceneManager()->getRenderQueue()->clear();
114	Root::getSingleton()._getCurrentSceneManager()->setFindVisibleObjects(false);
115	rt->update();
116	Root::getSingleton()._getCurrentSceneManager()->setFindVisibleObjects(true);
117
118	Root::getSingleton().getRenderSystem()->_setViewport(v);
119	Root::getSingleton().getRenderSystem()->clearFrameBuffer( FBT_COLOUR, clearColor);
120	}
121
122	return result;
123
124	}
125
126	void OgreRenderingRun::setMaterialForRenderables(String& materialName, RenderQueue* rq, bool solidsonly)
127	{
128	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
129
130	RenderQueue::QueueGroupIterator queueIt = rq->_getQueueGroupIterator();
131
132	while (queueIt.hasMoreElements())
133	{
134	RenderQueueGroup* pGroup = queueIt.getNext();
135
136	RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
137
138	while (groupIt.hasMoreElements())
139	{
140	RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
141	const QueuedRenderableCollection& solids = pPriorityGrp->getSolidsBasic();
142	const QueuedRenderableCollection& transparents = pPriorityGrp->getTransparents();
143	MaterialSetVisitor visitor(materialName, &visibleObjects);
144	solids.acceptVisitor(&visitor, QueuedRenderableCollection::OM_PASS_GROUP);
145	if(!solidsonly)
146	transparents.acceptVisitor(&visitor, QueuedRenderableCollection::OM_SORT_ASCENDING);
147	}
148	}
149
150	//refill renderqueue
151	rq->clear();
152
153	std::map<Renderable*, String>::iterator it = visibleObjects.begin();
154	std::map<Renderable*, String>::iterator itend = visibleObjects.end();
155
156	while(it != itend)
157	{
158	rq->addRenderable((*it).first);
159	it++;
160	}
161
162	sm->setFindVisibleObjects(false);
163	}
164
165	void OgreRenderingRun::setMaterialForVisibles(String& materialName, Camera* cam, bool shadowcastersonly, bool solidsonly)
166	{
167	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
168
169	RenderQueue* rq = sm->getRenderQueue();
170	rq->clear();
171
172	RenderQueue::QueueGroupIterator groupIter = rq->_getQueueGroupIterator();
173	while (groupIter.hasMoreElements())
174	{
175	RenderQueueGroup* g = groupIter.getNext();
176	g->defaultOrganisationMode();
177	}
178
179	//sm->_findVisibleObjectsOC(cam, cam->getViewport(), false, false, shadowcastersonly);
180	sm->_findVisibleObjects(cam, shadowcastersonly);
181
182	setMaterialForRenderables(materialName, sm->getRenderQueue(), solidsonly);
183	}
184
185	void OgreRenderingRun::restoreMaterials()
186	{
187	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
188
189	std::map<Renderable*, String>::iterator it = visibleObjects.begin();
190	std::map<Renderable*, String>::iterator itend = visibleObjects.end();
191
192	while(it != itend)
193	{
194	((it).first)->setMaterialName((it).second);
195	it++;
196	}
197
198	visibleObjects.clear();
199
200	sm->setFindVisibleObjects(true);
201	}
202
203	void OgreRenderingRun::renderFullscreenQuad(String materialName, RenderTarget* target)
204	{
205	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
206
207	if(fullScreenQuad == NULL)
208	{
209	fullScreenQuad = new MovablePlane("PASS_FULLSCREENQUAD_PLANE");
210	fullScreenQuad->d = 0;
211	fullScreenQuad->normal = Vector3::UNIT_Z;
212	MeshManager::getSingleton().createPlane("PASS_FULLSCREENQUAD_MESH",
213	ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
214	*fullScreenQuad, 2, 2,
215	1, 1, true, 1, 1, 1, Vector3::UNIT_Y);
216	fullScreenQuadEntity = sm->createEntity( "PASS_FULLSCREENQUAD_ENTITY", "PASS_FULLSCREENQUAD_MESH" );
217	sm->getRootSceneNode()->attachObject(fullScreenQuadEntity);
218	fullScreenQuadEntity->setVisible(false);
219	}
220
221	fullScreenQuadEntity->setMaterialName(materialName);
222	sm->getRenderQueue()->clear();
223	sm->getRenderQueue()->addRenderable(fullScreenQuadEntity->getSubEntity(0));
224	sm->setFindVisibleObjects(false);
225	target->update();
226	sm->setFindVisibleObjects(true);
227	}
228
229	void OgreRenderingRun::renderFullscreenGrid(String& materialName, RenderTarget* rt, int width, int height)
230	{
231	SceneManager* sm = Root::getSingleton()._getCurrentSceneManager();
232
233	if(this->fullscreenGrid == NULL)
234	{
235	MeshPtr mesh = MeshManager::getSingleton().createManual("FullScreenGrid",ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
236	SubMesh* subMesh = mesh->createSubMesh();
237
238	mesh->sharedVertexData = new VertexData();
239	VertexData* vertexData = mesh->sharedVertexData;
240
241	// define the vertex format
242	VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
243	size_t currOffset = 0;
244	// positions
245	vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_POSITION);
246	currOffset += VertexElement::getTypeSize(VET_FLOAT3);
247
248	// allocate the vertex buffer
249	vertexData->vertexCount = width * height;
250	HardwareVertexBufferSharedPtr vBuf = HardwareBufferManager::getSingleton().createVertexBuffer(vertexDecl->getVertexSize(0), vertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
251	VertexBufferBinding* binding = vertexData->vertexBufferBinding;
252	binding->setBinding(0, vBuf);
253	float* pVertex = static_cast<float*>(vBuf->lock(HardwareBuffer::HBL_DISCARD));
254
255	// allocate index buffer
256	subMesh->indexData->indexCount = 6 * (width - 1) * (height - 1);
257	subMesh->indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(HardwareIndexBuffer::IT_16BIT, subMesh->indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
258	HardwareIndexBufferSharedPtr iBuf = subMesh->indexData->indexBuffer;
259	unsigned short* pIndices = static_cast<unsigned short*>(iBuf->lock(HardwareBuffer::HBL_DISCARD));
260
261	unsigned short wVerticeIndex = 0 ;
262
263
264	for( int j = 0; j < height; j++ )
265	{
266	for( int i = 0; i < width; i++ )
267	{ //positions
268	float x = ((float)i + 0.5) / (float) width;
269	float y = ((float)j + 0.5) / (float) height;
270	*pVertex++ = x;
271	*pVertex++ = y;
272	*pVertex++ = 0;
273
274	//indexes
275	if( j < height - 1 && i < width -1 )
276	{
277	pIndices++ = j width + i;
278	pIndices++ = (j + 1) width + i;
279	pIndices++ = j width + i + 1;
280	pIndices++ = j width + i + 1;
281	pIndices++ = (j + 1) width + i;
282	pIndices++ = (j + 1) width + i + 1;
283	}
284
285	}
286	}
287
288	// Unlock
289	vBuf->unlock();
290	iBuf->unlock();
291	// Generate face list
292	subMesh->useSharedVertices = true;
293
294	// this line makes clear the mesh is loaded (avoids memory leaks)
295	mesh->load();
296
297	fullscreenGrid = sm->createEntity("FullScreenGridEntity", "FullScreenGrid");
298	SceneNode* n = sm->getRootSceneNode()->createChildSceneNode("FullScreenGridNode");
299	n->attachObject(fullscreenGrid);
300	fullscreenGrid->setVisible(false);
301	}
302
303	fullscreenGrid->setMaterialName(materialName);
304
305	sm->getRenderQueue()->clear();
306	sm->getRenderQueue()->addRenderable(fullscreenGrid->getSubEntity(0));
307	sm->setFindVisibleObjects(false);
308	rt->update();
309	sm->setFindVisibleObjects(true);
310
311	}
312
313	void OgreRenderingRun::renderPixelSprites(String& materialName, RenderTarget* rt, int width, int height)
314	{
315	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
316
317	if(pixelSprites == 0)
318	{
319	int resolutionX = width;
320	int resolutionY = height;
321	pixelSprites = new BillboardSet(spriteSetName, resolutionX * resolutionY, true);
322	pixelSprites->setBillboardsInWorldSpace(true);
323	pixelSprites->setCullIndividually(false);
324	pixelSprites->setPointRenderingEnabled(true);
325	//pixelSprites->setDefaultDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
326	pixelSprites->beginBillboards();
327	for(int i = 0; i < resolutionX; i++)
328	{
329	for(int j = 0; j < resolutionY; j++)
330	{
331	Billboard bb( Vector3(
332	( (float)i + 0.5 )/ (float) resolutionX, //position x
333	( (float)j + 0.5 )/ (float) resolutionY, //position y
334	0),
335	pixelSprites);
336	bb.setDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
337	pixelSprites->injectBillboard(bb);
338	}
339	}
340	pixelSprites->endBillboards();
341
342	sm->getRootSceneNode()->attachObject(pixelSprites);
343
344	pixelSprites->setVisible(false);
345	}
346
347	pixelSprites->setMaterialName(materialName);
348
349	sm->getRenderQueue()->clear();
350	sm->getRenderQueue()->addRenderable(pixelSprites);
351	sm->setFindVisibleObjects(false);
352	rt->update();
353	sm->setFindVisibleObjects(true);
354
355	}
356

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