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source: GTP/trunk/Lib/Illum/IllumModule/OgreIllumModule/src/OgreRenderingRun.cpp @ 2355

Revision 2355, 12.3 KB checked in by szirmay, 17 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	BillboardSet* OgreRenderingRun::pixelSprites = NULL;
8	Entity* OgreRenderingRun::fullscreenGrid = NULL;
9	String OgreRenderingRun::spriteSetName = "";
10
11	class MaterialSetVisitor : public QueuedRenderableVisitor
12	{
13	private:
14	String materialName;
15	String triggerName;
16	std::map<Renderable, String> visibleObjects;
17	public:
18
19	MaterialSetVisitor(String& materialName, std::map<Renderable, String> visibleObjects, String trigger = "")
20	{
21	this->materialName = materialName;
22	this->visibleObjects = visibleObjects;
23	}
24
25	void visit(const Renderable* r)
26	{
27	Renderable* rend = (Renderable*) r; //sorry for removing the const
28
29	if( visibleObjects->count(rend) == 0)
30	{
31	(*visibleObjects)[rend] = rend->getMaterial().getPointer()->getName();
32	String materialToSet = materialName;
33	if(triggerName != "")//we have a trigger here
34	{
35	String triggeredMaterial =
36	((OgreTechniqueGroup*)rend->getRenderTechniqueGroup())
37	->getMaterialNameForTrigger(triggerName);
38	if(triggeredMaterial != "")//a trigger is associated
39	materialToSet = triggeredMaterial;
40	}
41	rend->setMaterialName(materialToSet);
42	}
43	}
44	bool visit(const Pass* p){return true;}
45	void visit(const RenderablePass* rp)
46	{
47	Renderable* rend = rp->renderable;
48
49	if( visibleObjects->count(rend) == 0)
50	{
51	(*visibleObjects)[rend] = rend->getMaterial().getPointer()->getName();
52	String materialToSet = materialName;
53	if(triggerName != "")//we have a trigger here
54	{
55	String triggeredMaterial =
56	((OgreTechniqueGroup*)rend->getRenderTechniqueGroup())
57	->getMaterialNameForTrigger(triggerName);
58	if(triggeredMaterial != "")//a trigger is associated
59	materialToSet = triggeredMaterial;
60	}
61	rend->setMaterialName(materialToSet);
62	}
63	}
64
65	};
66
67	Vector3 OgreRenderingRun::getCubeMapFaceDirection(unsigned char faceId)
68	{
69	switch(faceId)
70	{
71	case 0: //positive X
72	return Vector3(1,0,0);
73	case 1: //negative X
74	return Vector3(-1,0,0);
75	case 2: //positiove Y
76	return Vector3(0,1,0);
77	case 3: //negative Y
78	return Vector3(0,-1,0);
79	case 4: //positiove Z
80	return Vector3(0,0,-1);
81	case 5: //negative Z
82	return Vector3(0,0,1);
83	default:
84	return Vector3(0,0,0);
85	}
86	}
87
88	Texture* OgreRenderingRun::createCubeRenderTexture(String name, const Vector3 position, unsigned int resolution, PixelFormat format, int numMips, ColourValue clearColor)
89	{
90	//create texture
91	TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual( name,
92	"default",
93	TEX_TYPE_CUBE_MAP,
94	resolution,
95	resolution,
96	0,
97	numMips,
98	format,
99	TU_RENDERTARGET);
100	Texture* result = texPtr.getPointer();
101
102	//add viewports to faces
103	for(unsigned int i = 0; i < 6; i++)
104	{
105	Camera* cam = Root::getSingleton()._getCurrentSceneManager()
106	->createCamera(name + "CUBEMAPFACE_" + StringConverter::toString(i) + "_CAMERA");
107
108	cam->setPosition(position);
109	cam->setAspectRatio(1);
110	cam->setFOVy(Radian(Degree(90)));
111	cam->setNearClipDistance(0.1);
112	cam->setFarClipDistance(OgreIlluminationManager::getSingleton().
113	getMainCamera()->getFarClipDistance());
114
115	//set camera orientation
116	switch(i)
117	{
118	case 2:
119	cam->setOrientation(Quaternion(Radian(Degree(90)),Vector3(1,0,0)));
120	break;
121	case 3:
122	cam->setOrientation(Quaternion(Radian(Degree(90)),Vector3(-1,0,0)));
123	break;
124	default:
125	cam->setDirection(getCubeMapFaceDirection(i));
126	break;
127	}
128
129	HardwarePixelBuffer* hpb = (result->getBuffer(i, 0)).getPointer();
130	RenderTarget* rt = hpb->getRenderTarget(0);
131	Viewport* v = rt->addViewport(cam);
132	v->setOverlaysEnabled(false);
133	rt->setAutoUpdated(false);
134	v->setBackgroundColour(clearColor);
135	Root::getSingleton()._getCurrentSceneManager()->getRenderQueue()->clear();
136	Root::getSingleton()._getCurrentSceneManager()->setFindVisibleObjects(false);
137	rt->update();
138	Root::getSingleton()._getCurrentSceneManager()->setFindVisibleObjects(true);
139
140	Root::getSingleton().getRenderSystem()->_setViewport(v);
141	Root::getSingleton().getRenderSystem()->clearFrameBuffer( FBT_COLOUR, clearColor);
142	}
143
144	return result;
145
146	}
147
148	void OgreRenderingRun::setMaterialForRenderables(String& materialName, RenderQueue* rq, bool solidsonly, String triggerName)
149	{
150	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
151
152	RenderQueue::QueueGroupIterator queueIt = rq->_getQueueGroupIterator();
153
154	while (queueIt.hasMoreElements())
155	{
156	RenderQueueGroup* pGroup = queueIt.getNext();
157
158	RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
159
160	while (groupIt.hasMoreElements())
161	{
162	RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
163	const QueuedRenderableCollection& solids = pPriorityGrp->getSolidsBasic();
164	const QueuedRenderableCollection& transparents = pPriorityGrp->getTransparents();
165	MaterialSetVisitor visitor(materialName, &visibleObjects, triggerName);
166	solids.acceptVisitor(&visitor, QueuedRenderableCollection::OM_PASS_GROUP);
167	if(!solidsonly)
168	transparents.acceptVisitor(&visitor, QueuedRenderableCollection::OM_SORT_ASCENDING);
169	}
170	}
171
172	//refill renderqueue
173	rq->clear();
174
175	std::map<Renderable*, String>::iterator it = visibleObjects.begin();
176	std::map<Renderable*, String>::iterator itend = visibleObjects.end();
177
178	while(it != itend)
179	{
180	rq->addRenderable((*it).first);
181	it++;
182	}
183
184	sm->setFindVisibleObjects(false);
185	}
186
187	void OgreRenderingRun::setMaterialForVisibles(String& materialName, Camera* cam, bool shadowcastersonly, bool solidsonly, String triggerName)
188	{
189	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
190
191	RenderQueue* rq = sm->getRenderQueue();
192	rq->clear();
193
194	RenderQueue::QueueGroupIterator groupIter = rq->_getQueueGroupIterator();
195	while (groupIter.hasMoreElements())
196	{
197	RenderQueueGroup* g = groupIter.getNext();
198	g->defaultOrganisationMode();
199	}
200
201	//sm->_findVisibleObjectsOC(cam, cam->getViewport(), false, false, shadowcastersonly);
202	sm->_findVisibleObjects(cam, shadowcastersonly);
203
204	setMaterialForRenderables(materialName, sm->getRenderQueue(), solidsonly, triggerName);
205	}
206
207	void OgreRenderingRun::restoreMaterials()
208	{
209	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
210
211	std::map<Renderable*, String>::iterator it = visibleObjects.begin();
212	std::map<Renderable*, String>::iterator itend = visibleObjects.end();
213
214	while(it != itend)
215	{
216	((it).first)->setMaterialName((it).second);
217	it++;
218	}
219
220	visibleObjects.clear();
221
222	sm->setFindVisibleObjects(true);
223	}
224
225	void OgreRenderingRun::renderFullscreenQuad(String materialName, RenderTarget* target)
226	{
227	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
228
229	if(fullScreenQuad == NULL)
230	{
231	fullScreenQuad = new MovablePlane("PASS_FULLSCREENQUAD_PLANE");
232	fullScreenQuad->d = 0;
233	fullScreenQuad->normal = Vector3::UNIT_Z;
234	MeshManager::getSingleton().createPlane("PASS_FULLSCREENQUAD_MESH",
235	ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
236	*fullScreenQuad, 2, 2,
237	1, 1, true, 1, 1, 1, Vector3::UNIT_Y);
238	fullScreenQuadEntity = sm->createEntity( "PASS_FULLSCREENQUAD_ENTITY", "PASS_FULLSCREENQUAD_MESH" );
239	sm->getRootSceneNode()->attachObject(fullScreenQuadEntity);
240	fullScreenQuadEntity->setVisible(false);
241	}
242
243	fullScreenQuadEntity->setMaterialName(materialName);
244	sm->getRenderQueue()->clear();
245	sm->getRenderQueue()->addRenderable(fullScreenQuadEntity->getSubEntity(0));
246	sm->setFindVisibleObjects(false);
247	target->update();
248	sm->setFindVisibleObjects(true);
249	}
250
251	void OgreRenderingRun::renderFullscreenGrid(String& materialName, RenderTarget* rt, int width, int height)
252	{
253	SceneManager* sm = Root::getSingleton()._getCurrentSceneManager();
254
255	if(fullscreenGrid == NULL)
256	{
257	MeshPtr mesh = MeshManager::getSingleton().createManual("FullScreenGrid",ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
258	SubMesh* subMesh = mesh->createSubMesh();
259
260	mesh->sharedVertexData = new VertexData();
261	VertexData* vertexData = mesh->sharedVertexData;
262
263	// define the vertex format
264	VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
265	size_t currOffset = 0;
266	// positions
267	vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_POSITION);
268	currOffset += VertexElement::getTypeSize(VET_FLOAT3);
269
270	// allocate the vertex buffer
271	vertexData->vertexCount = width * height;
272	HardwareVertexBufferSharedPtr vBuf = HardwareBufferManager::getSingleton().createVertexBuffer(vertexDecl->getVertexSize(0), vertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
273	VertexBufferBinding* binding = vertexData->vertexBufferBinding;
274	binding->setBinding(0, vBuf);
275	float* pVertex = static_cast<float*>(vBuf->lock(HardwareBuffer::HBL_DISCARD));
276
277	// allocate index buffer
278	subMesh->indexData->indexCount = 6 * (width - 1) * (height - 1);
279	subMesh->indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(HardwareIndexBuffer::IT_16BIT, subMesh->indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
280	HardwareIndexBufferSharedPtr iBuf = subMesh->indexData->indexBuffer;
281	unsigned short* pIndices = static_cast<unsigned short*>(iBuf->lock(HardwareBuffer::HBL_DISCARD));
282
283	unsigned short wVerticeIndex = 0 ;
284
285
286	for( int j = 0; j < height; j++ )
287	{
288	for( int i = 0; i < width; i++ )
289	{ //positions
290	float x = ((float)i + 0.5) / (float) width;
291	float y = ((float)j + 0.5) / (float) height;
292	*pVertex++ = x;
293	*pVertex++ = y;
294	*pVertex++ = 0;
295
296	//indexes
297	if( j < height - 1 && i < width -1 )
298	{
299	pIndices++ = j width + i;
300	pIndices++ = (j + 1) width + i;
301	pIndices++ = j width + i + 1;
302	pIndices++ = j width + i + 1;
303	pIndices++ = (j + 1) width + i;
304	pIndices++ = (j + 1) width + i + 1;
305	}
306
307	}
308	}
309
310	// Unlock
311	vBuf->unlock();
312	iBuf->unlock();
313	// Generate face list
314	subMesh->useSharedVertices = true;
315
316	// this line makes clear the mesh is loaded (avoids memory leaks)
317	mesh->load();
318
319	fullscreenGrid = sm->createEntity("FullScreenGridEntity", "FullScreenGrid");
320	SceneNode* n = sm->getRootSceneNode()->createChildSceneNode("FullScreenGridNode");
321	n->attachObject(fullscreenGrid);
322	fullscreenGrid->setVisible(false);
323	}
324
325	fullscreenGrid->setMaterialName(materialName);
326
327	sm->getRenderQueue()->clear();
328	sm->getRenderQueue()->addRenderable(fullscreenGrid->getSubEntity(0));
329	sm->setFindVisibleObjects(false);
330	rt->update();
331	sm->setFindVisibleObjects(true);
332
333	}
334
335	void OgreRenderingRun::renderPixelSprites(String& materialName, RenderTarget* rt, int width, int height)
336	{
337	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
338
339	if(pixelSprites == 0)
340	{
341	int resolutionX = width;
342	int resolutionY = height;
343	pixelSprites = new BillboardSet(spriteSetName, resolutionX * resolutionY, true);
344	pixelSprites->setBillboardsInWorldSpace(true);
345	pixelSprites->setCullIndividually(false);
346	pixelSprites->setPointRenderingEnabled(true);
347	//pixelSprites->setDefaultDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
348	pixelSprites->beginBillboards();
349	for(int i = 0; i < resolutionX; i++)
350	{
351	for(int j = 0; j < resolutionY; j++)
352	{
353	Billboard bb( Vector3(
354	( (float)i + 0.5 )/ (float) resolutionX, //position x
355	( (float)j + 0.5 )/ (float) resolutionY, //position y
356	0),
357	pixelSprites);
358	bb.setDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
359	pixelSprites->injectBillboard(bb);
360	}
361	}
362	pixelSprites->endBillboards();
363
364	sm->getRootSceneNode()->attachObject(pixelSprites);
365
366	pixelSprites->setVisible(false);
367	}
368
369	pixelSprites->setMaterialName(materialName);
370
371	sm->getRenderQueue()->clear();
372	sm->getRenderQueue()->addRenderable(pixelSprites);
373	sm->setFindVisibleObjects(false);
374	rt->update();
375	sm->setFindVisibleObjects(true);
376
377	}
378

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