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source: GTP/trunk/Lib/Illum/IllumModule/OgreIllumModule/src/OgreRenderingRun.cpp @ 1670

Revision 1670, 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	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
124
125	RenderQueue::QueueGroupIterator queueIt = rq->_getQueueGroupIterator();
126
127	while (queueIt.hasMoreElements())
128	{
129	RenderQueueGroup* pGroup = queueIt.getNext();
130
131	RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
132
133	while (groupIt.hasMoreElements())
134	{
135	RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
136	const QueuedRenderableCollection& solids = pPriorityGrp->getSolidsBasic();
137	const QueuedRenderableCollection& transparents = pPriorityGrp->getTransparents();
138	MaterialSetVisitor visitor(materialName, &visibleObjects);
139	solids.acceptVisitor(&visitor, QueuedRenderableCollection::OM_PASS_GROUP);
140	if(!solidsonly)
141	transparents.acceptVisitor(&visitor, QueuedRenderableCollection::OM_SORT_ASCENDING);
142	}
143	}
144
145	//refill renderqueue
146	rq->clear();
147
148	std::map<Renderable*, String>::iterator it = visibleObjects.begin();
149	std::map<Renderable*, String>::iterator itend = visibleObjects.end();
150
151	while(it != itend)
152	{
153	rq->addRenderable((*it).first);
154	it++;
155	}
156
157	sm->setFindVisibleObjects(false);
158	}
159
160	void OgreRenderingRun::setMaterialForVisibles(String& materialName, Camera* cam, bool shadowcastersonly, bool solidsonly)
161	{
162	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
163
164	RenderQueue* rq = sm->getRenderQueue();
165	rq->clear();
166
167	RenderQueue::QueueGroupIterator groupIter = rq->_getQueueGroupIterator();
168	while (groupIter.hasMoreElements())
169	{
170	RenderQueueGroup* g = groupIter.getNext();
171	g->defaultOrganisationMode();
172	}
173
174	sm->_findVisibleObjects (cam, shadowcastersonly);
175
176	setMaterialForRenderables(materialName, rq, solidsonly);
177	}
178
179	void OgreRenderingRun::restoreMaterials()
180	{
181	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
182
183	std::map<Renderable*, String>::iterator it = visibleObjects.begin();
184	std::map<Renderable*, String>::iterator itend = visibleObjects.end();
185
186	while(it != itend)
187	{
188	((it).first)->setMaterialName((it).second);
189	it++;
190	}
191
192	visibleObjects.clear();
193
194	sm->setFindVisibleObjects(true);
195	}
196
197	void OgreRenderingRun::renderFullscreenQuad(String materialName, RenderTarget* target)
198	{
199	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
200
201	if(fullScreenQuad == NULL)
202	{
203	fullScreenQuad = new MovablePlane("PASS_FULLSCREENQUAD_PLANE");
204	fullScreenQuad->d = 0;
205	fullScreenQuad->normal = Vector3::UNIT_Z;
206	MeshManager::getSingleton().createPlane("PASS_FULLSCREENQUAD_MESH",
207	ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
208	*fullScreenQuad, 2, 2,
209	1, 1, true, 1, 1, 1, Vector3::UNIT_Y);
210	fullScreenQuadEntity = sm->createEntity( "PASS_FULLSCREENQUAD_ENTITY", "PASS_FULLSCREENQUAD_MESH" );
211	sm->getRootSceneNode()->attachObject(fullScreenQuadEntity);
212	fullScreenQuadEntity->setVisible(false);
213	}
214
215	fullScreenQuadEntity->setMaterialName(materialName);
216	sm->getRenderQueue()->clear();
217	sm->getRenderQueue()->addRenderable(fullScreenQuadEntity->getSubEntity(0));
218	sm->setFindVisibleObjects(false);
219	target->update();
220	sm->setFindVisibleObjects(true);
221	}
222
223	void OgreRenderingRun::renderFullscreenGrid(String& materialName, RenderTarget* rt, int width, int height)
224	{
225	SceneManager* sm = Root::getSingleton()._getCurrentSceneManager();
226
227	if(this->fullscreenGrid == NULL)
228	{
229	MeshPtr mesh = MeshManager::getSingleton().createManual("FullScreenGrid",ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
230	SubMesh* subMesh = mesh->createSubMesh();
231
232	mesh->sharedVertexData = new VertexData();
233	VertexData* vertexData = mesh->sharedVertexData;
234
235	// define the vertex format
236	VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
237	size_t currOffset = 0;
238	// positions
239	vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_POSITION);
240	currOffset += VertexElement::getTypeSize(VET_FLOAT3);
241
242	// allocate the vertex buffer
243	vertexData->vertexCount = width * height;
244	HardwareVertexBufferSharedPtr vBuf = HardwareBufferManager::getSingleton().createVertexBuffer(vertexDecl->getVertexSize(0), vertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
245	VertexBufferBinding* binding = vertexData->vertexBufferBinding;
246	binding->setBinding(0, vBuf);
247	float* pVertex = static_cast<float*>(vBuf->lock(HardwareBuffer::HBL_DISCARD));
248
249	// allocate index buffer
250	subMesh->indexData->indexCount = 6 * (width - 1) * (height - 1);
251	subMesh->indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(HardwareIndexBuffer::IT_16BIT, subMesh->indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
252	HardwareIndexBufferSharedPtr iBuf = subMesh->indexData->indexBuffer;
253	unsigned short* pIndices = static_cast<unsigned short*>(iBuf->lock(HardwareBuffer::HBL_DISCARD));
254
255	unsigned short wVerticeIndex = 0 ;
256
257
258	for( int j = 0; j < height; j++ )
259	{
260	for( int i = 0; i < width; i++ )
261	{ //positions
262	float x = ((float)i + 0.5) / (float) width;
263	float y = ((float)j + 0.5) / (float) height;
264	*pVertex++ = x;
265	*pVertex++ = y;
266	*pVertex++ = 0;
267
268	//indexes
269	if( j < height - 1 && i < width -1 )
270	{
271	pIndices++ = j width + i;
272	pIndices++ = (j + 1) width + i;
273	pIndices++ = j width + i + 1;
274	pIndices++ = j width + i + 1;
275	pIndices++ = (j + 1) width + i;
276	pIndices++ = (j + 1) width + i + 1;
277	}
278
279	}
280	}
281
282	// Unlock
283	vBuf->unlock();
284	iBuf->unlock();
285	// Generate face list
286	subMesh->useSharedVertices = true;
287
288	// this line makes clear the mesh is loaded (avoids memory leaks)
289	mesh->load();
290
291	fullscreenGrid = sm->createEntity("FullScreenGridEntity", "FullScreenGrid");
292	SceneNode* n = sm->getRootSceneNode()->createChildSceneNode("FullScreenGridNode");
293	n->attachObject(fullscreenGrid);
294	fullscreenGrid->setVisible(false);
295	}
296
297	fullscreenGrid->setMaterialName(materialName);
298
299	sm->getRenderQueue()->clear();
300	sm->getRenderQueue()->addRenderable(fullscreenGrid->getSubEntity(0));
301	sm->setFindVisibleObjects(false);
302	rt->update();
303	sm->setFindVisibleObjects(true);
304
305	}
306
307	void OgreRenderingRun::renderPixelSprites(String& materialName, RenderTarget* rt, int width, int height)
308	{
309	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
310
311	if(pixelSprites == 0)
312	{
313	int resolutionX = width;
314	int resolutionY = height;
315	pixelSprites = new BillboardSet(spriteSetName, resolutionX * resolutionY, true);
316	pixelSprites->setBillboardsInWorldSpace(true);
317	pixelSprites->setCullIndividually(false);
318	pixelSprites->setPointRenderingEnabled(true);
319	//pixelSprites->setDefaultDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
320	pixelSprites->beginBillboards();
321	for(int i = 0; i < resolutionX; i++)
322	{
323	for(int j = 0; j < resolutionY; j++)
324	{
325	Billboard bb( Vector3(
326	( (float)i + 0.5 )/ (float) resolutionX, //position x
327	( (float)j + 0.5 )/ (float) resolutionY, //position y
328	0),
329	pixelSprites);
330	bb.setDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
331	pixelSprites->injectBillboard(bb);
332	}
333	}
334	pixelSprites->endBillboards();
335
336	sm->getRootSceneNode()->attachObject(pixelSprites);
337
338	pixelSprites->setVisible(false);
339	}
340
341	pixelSprites->setMaterialName(materialName);
342
343	sm->getRenderQueue()->clear();
344	sm->getRenderQueue()->addRenderable(pixelSprites);
345	sm->setFindVisibleObjects(false);
346	rt->update();
347	sm->setFindVisibleObjects(true);
348
349	}
350

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