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source: GTP/trunk/Lib/Illum/IllumModule/OgreIllumModule/src/OgreRenderingRun.cpp @ 1725

Revision 1725, 11.0 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
114	Root::getSingleton().getRenderSystem()->_setViewport(v);
115	Root::getSingleton().getRenderSystem()->clearFrameBuffer( FBT_COLOUR, clearColor);
116	}
117
118	return result;
119
120	}
121
122	void OgreRenderingRun::setMaterialForRenderables(String& materialName, RenderQueue* rq, bool solidsonly)
123	{
124	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
125
126	RenderQueue::QueueGroupIterator queueIt = rq->_getQueueGroupIterator();
127
128	while (queueIt.hasMoreElements())
129	{
130	RenderQueueGroup* pGroup = queueIt.getNext();
131
132	RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
133
134	while (groupIt.hasMoreElements())
135	{
136	RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
137	const QueuedRenderableCollection& solids = pPriorityGrp->getSolidsBasic();
138	const QueuedRenderableCollection& transparents = pPriorityGrp->getTransparents();
139	MaterialSetVisitor visitor(materialName, &visibleObjects);
140	solids.acceptVisitor(&visitor, QueuedRenderableCollection::OM_PASS_GROUP);
141	if(!solidsonly)
142	transparents.acceptVisitor(&visitor, QueuedRenderableCollection::OM_SORT_ASCENDING);
143	}
144	}
145
146	//refill renderqueue
147	rq->clear();
148
149	std::map<Renderable*, String>::iterator it = visibleObjects.begin();
150	std::map<Renderable*, String>::iterator itend = visibleObjects.end();
151
152	while(it != itend)
153	{
154	rq->addRenderable((*it).first);
155	it++;
156	}
157
158	sm->setFindVisibleObjects(false);
159	}
160
161	void OgreRenderingRun::setMaterialForVisibles(String& materialName, Camera* cam, bool shadowcastersonly, bool solidsonly)
162	{
163	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
164
165	RenderQueue* rq = sm->getRenderQueue();
166	rq->clear();
167
168	RenderQueue::QueueGroupIterator groupIter = rq->_getQueueGroupIterator();
169	while (groupIter.hasMoreElements())
170	{
171	RenderQueueGroup* g = groupIter.getNext();
172	g->defaultOrganisationMode();
173	}
174
175	sm->_findVisibleObjects (cam, shadowcastersonly);
176
177	setMaterialForRenderables(materialName, rq, solidsonly);
178	}
179
180	void OgreRenderingRun::restoreMaterials()
181	{
182	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
183
184	std::map<Renderable*, String>::iterator it = visibleObjects.begin();
185	std::map<Renderable*, String>::iterator itend = visibleObjects.end();
186
187	while(it != itend)
188	{
189	((it).first)->setMaterialName((it).second);
190	it++;
191	}
192
193	visibleObjects.clear();
194
195	sm->setFindVisibleObjects(true);
196	}
197
198	void OgreRenderingRun::renderFullscreenQuad(String materialName, RenderTarget* target)
199	{
200	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
201
202	if(fullScreenQuad == NULL)
203	{
204	fullScreenQuad = new MovablePlane("PASS_FULLSCREENQUAD_PLANE");
205	fullScreenQuad->d = 0;
206	fullScreenQuad->normal = Vector3::UNIT_Z;
207	MeshManager::getSingleton().createPlane("PASS_FULLSCREENQUAD_MESH",
208	ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
209	*fullScreenQuad, 2, 2,
210	1, 1, true, 1, 1, 1, Vector3::UNIT_Y);
211	fullScreenQuadEntity = sm->createEntity( "PASS_FULLSCREENQUAD_ENTITY", "PASS_FULLSCREENQUAD_MESH" );
212	sm->getRootSceneNode()->attachObject(fullScreenQuadEntity);
213	fullScreenQuadEntity->setVisible(false);
214	}
215
216	fullScreenQuadEntity->setMaterialName(materialName);
217	sm->getRenderQueue()->clear();
218	sm->getRenderQueue()->addRenderable(fullScreenQuadEntity->getSubEntity(0));
219	sm->setFindVisibleObjects(false);
220	target->update();
221	sm->setFindVisibleObjects(true);
222	}
223
224	void OgreRenderingRun::renderFullscreenGrid(String& materialName, RenderTarget* rt, int width, int height)
225	{
226	SceneManager* sm = Root::getSingleton()._getCurrentSceneManager();
227
228	if(this->fullscreenGrid == NULL)
229	{
230	MeshPtr mesh = MeshManager::getSingleton().createManual("FullScreenGrid",ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
231	SubMesh* subMesh = mesh->createSubMesh();
232
233	mesh->sharedVertexData = new VertexData();
234	VertexData* vertexData = mesh->sharedVertexData;
235
236	// define the vertex format
237	VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
238	size_t currOffset = 0;
239	// positions
240	vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_POSITION);
241	currOffset += VertexElement::getTypeSize(VET_FLOAT3);
242
243	// allocate the vertex buffer
244	vertexData->vertexCount = width * height;
245	HardwareVertexBufferSharedPtr vBuf = HardwareBufferManager::getSingleton().createVertexBuffer(vertexDecl->getVertexSize(0), vertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
246	VertexBufferBinding* binding = vertexData->vertexBufferBinding;
247	binding->setBinding(0, vBuf);
248	float* pVertex = static_cast<float*>(vBuf->lock(HardwareBuffer::HBL_DISCARD));
249
250	// allocate index buffer
251	subMesh->indexData->indexCount = 6 * (width - 1) * (height - 1);
252	subMesh->indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(HardwareIndexBuffer::IT_16BIT, subMesh->indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
253	HardwareIndexBufferSharedPtr iBuf = subMesh->indexData->indexBuffer;
254	unsigned short* pIndices = static_cast<unsigned short*>(iBuf->lock(HardwareBuffer::HBL_DISCARD));
255
256	unsigned short wVerticeIndex = 0 ;
257
258
259	for( int j = 0; j < height; j++ )
260	{
261	for( int i = 0; i < width; i++ )
262	{ //positions
263	float x = ((float)i + 0.5) / (float) width;
264	float y = ((float)j + 0.5) / (float) height;
265	*pVertex++ = x;
266	*pVertex++ = y;
267	*pVertex++ = 0;
268
269	//indexes
270	if( j < height - 1 && i < width -1 )
271	{
272	pIndices++ = j width + i;
273	pIndices++ = (j + 1) width + i;
274	pIndices++ = j width + i + 1;
275	pIndices++ = j width + i + 1;
276	pIndices++ = (j + 1) width + i;
277	pIndices++ = (j + 1) width + i + 1;
278	}
279
280	}
281	}
282
283	// Unlock
284	vBuf->unlock();
285	iBuf->unlock();
286	// Generate face list
287	subMesh->useSharedVertices = true;
288
289	// this line makes clear the mesh is loaded (avoids memory leaks)
290	mesh->load();
291
292	fullscreenGrid = sm->createEntity("FullScreenGridEntity", "FullScreenGrid");
293	SceneNode* n = sm->getRootSceneNode()->createChildSceneNode("FullScreenGridNode");
294	n->attachObject(fullscreenGrid);
295	fullscreenGrid->setVisible(false);
296	}
297
298	fullscreenGrid->setMaterialName(materialName);
299
300	sm->getRenderQueue()->clear();
301	sm->getRenderQueue()->addRenderable(fullscreenGrid->getSubEntity(0));
302	sm->setFindVisibleObjects(false);
303	rt->update();
304	sm->setFindVisibleObjects(true);
305
306	}
307
308	void OgreRenderingRun::renderPixelSprites(String& materialName, RenderTarget* rt, int width, int height)
309	{
310	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
311
312	if(pixelSprites == 0)
313	{
314	int resolutionX = width;
315	int resolutionY = height;
316	pixelSprites = new BillboardSet(spriteSetName, resolutionX * resolutionY, true);
317	pixelSprites->setBillboardsInWorldSpace(true);
318	pixelSprites->setCullIndividually(false);
319	pixelSprites->setPointRenderingEnabled(true);
320	//pixelSprites->setDefaultDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
321	pixelSprites->beginBillboards();
322	for(int i = 0; i < resolutionX; i++)
323	{
324	for(int j = 0; j < resolutionY; j++)
325	{
326	Billboard bb( Vector3(
327	( (float)i + 0.5 )/ (float) resolutionX, //position x
328	( (float)j + 0.5 )/ (float) resolutionY, //position y
329	0),
330	pixelSprites);
331	bb.setDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
332	pixelSprites->injectBillboard(bb);
333	}
334	}
335	pixelSprites->endBillboards();
336
337	sm->getRootSceneNode()->attachObject(pixelSprites);
338
339	pixelSprites->setVisible(false);
340	}
341
342	pixelSprites->setMaterialName(materialName);
343
344	sm->getRenderQueue()->clear();
345	sm->getRenderQueue()->addRenderable(pixelSprites);
346	sm->setFindVisibleObjects(false);
347	rt->update();
348	sm->setFindVisibleObjects(true);
349
350	}
351

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