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source: GTP/trunk/Lib/Illum/IllumModule/OgreIllumModule/src/OgreRenderingRun.cpp @ 2366

Revision 2366, 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	BillboardSet* OgreRenderingRun::pixelSprites = NULL;
7	Entity* OgreRenderingRun::fullscreenGrid = NULL;
8	String OgreRenderingRun::spriteSetName = "";
9
10	class MaterialSetVisitor : public QueuedRenderableVisitor
11	{
12	private:
13	String materialName;
14	String triggerName;
15	std::map<Renderable, String> visibleObjects;
16	public:
17
18	MaterialSetVisitor(String& materialName, std::map<Renderable, String> visibleObjects, String trigger = "")
19	{
20	this->materialName = materialName;
21	this->visibleObjects = visibleObjects;
22	triggerName = trigger;
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	OgreTechniqueGroup* tg = (OgreTechniqueGroup*)rend->getRenderTechniqueGroup();
36	if(tg)
37	{
38	String triggeredMaterial = tg->getMaterialNameForTrigger(triggerName);
39	if(triggeredMaterial != "")//a trigger is associated
40	materialToSet = triggeredMaterial;
41	}
42	}
43	rend->setMaterialName(materialToSet);
44	}
45	}
46	bool visit(const Pass* p){return true;}
47	void visit(const RenderablePass* rp)
48	{
49	Renderable* rend = rp->renderable;
50
51	if( visibleObjects->count(rend) == 0)
52	{
53	(*visibleObjects)[rend] = rend->getMaterial().getPointer()->getName();
54	String materialToSet = materialName;
55	if(triggerName != "")//we have a trigger here
56	{
57	String triggeredMaterial =
58	((OgreTechniqueGroup*)rend->getRenderTechniqueGroup())
59	->getMaterialNameForTrigger(triggerName);
60	if(triggeredMaterial != "")//a trigger is associated
61	materialToSet = triggeredMaterial;
62	}
63	rend->setMaterialName(materialToSet);
64	}
65	}
66
67	};
68
69	Vector3 OgreRenderingRun::getCubeMapFaceDirection(unsigned char faceId)
70	{
71	switch(faceId)
72	{
73	case 0: //positive X
74	return Vector3(1,0,0);
75	case 1: //negative X
76	return Vector3(-1,0,0);
77	case 2: //positiove Y
78	return Vector3(0,1,0);
79	case 3: //negative Y
80	return Vector3(0,-1,0);
81	case 4: //positiove Z
82	return Vector3(0,0,-1);
83	case 5: //negative Z
84	return Vector3(0,0,1);
85	default:
86	return Vector3(0,0,0);
87	}
88	}
89
90	Texture* OgreRenderingRun::createCubeRenderTexture(String name, const Vector3 position, unsigned int resolution, PixelFormat format, int numMips, ColourValue clearColor)
91	{
92	//create texture
93	TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual( name,
94	"default",
95	TEX_TYPE_CUBE_MAP,
96	resolution,
97	resolution,
98	0,
99	numMips,
100	format,
101	TU_RENDERTARGET);
102	Texture* result = texPtr.getPointer();
103
104	//add viewports to faces
105	for(unsigned int i = 0; i < 6; i++)
106	{
107	Camera* cam = Root::getSingleton()._getCurrentSceneManager()
108	->createCamera(name + "CUBEMAPFACE_" + StringConverter::toString(i) + "_CAMERA");
109
110	cam->setPosition(position);
111	cam->setAspectRatio(1);
112	cam->setFOVy(Radian(Degree(90)));
113	cam->setNearClipDistance(0.1);
114	cam->setFarClipDistance(OgreIlluminationManager::getSingleton().
115	getMainCamera()->getFarClipDistance());
116
117	//set camera orientation
118	switch(i)
119	{
120	case 2:
121	cam->setOrientation(Quaternion(Radian(Degree(90)),Vector3(1,0,0)));
122	break;
123	case 3:
124	cam->setOrientation(Quaternion(Radian(Degree(90)),Vector3(-1,0,0)));
125	break;
126	default:
127	cam->setDirection(getCubeMapFaceDirection(i));
128	break;
129	}
130
131	HardwarePixelBuffer* hpb = (result->getBuffer(i, 0)).getPointer();
132	RenderTarget* rt = hpb->getRenderTarget(0);
133	Viewport* v = rt->addViewport(cam);
134	v->setOverlaysEnabled(false);
135	rt->setAutoUpdated(false);
136	v->setBackgroundColour(clearColor);
137	Root::getSingleton()._getCurrentSceneManager()->getRenderQueue()->clear();
138	Root::getSingleton()._getCurrentSceneManager()->setFindVisibleObjects(false);
139	rt->update();
140	Root::getSingleton()._getCurrentSceneManager()->setFindVisibleObjects(true);
141
142	Root::getSingleton().getRenderSystem()->_setViewport(v);
143	Root::getSingleton().getRenderSystem()->clearFrameBuffer( FBT_COLOUR, clearColor);
144	}
145
146	return result;
147
148	}
149
150	void OgreRenderingRun::setMaterialForRenderables(String& materialName, RenderQueue* rq, bool solidsonly, String triggerName)
151	{
152	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
153
154	RenderQueue::QueueGroupIterator queueIt = rq->_getQueueGroupIterator();
155
156	while (queueIt.hasMoreElements())
157	{
158	RenderQueueGroup* pGroup = queueIt.getNext();
159
160	RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
161
162	while (groupIt.hasMoreElements())
163	{
164	RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
165	const QueuedRenderableCollection& solids = pPriorityGrp->getSolidsBasic();
166	const QueuedRenderableCollection& transparents = pPriorityGrp->getTransparents();
167	MaterialSetVisitor visitor(materialName, &visibleObjects, triggerName);
168	solids.acceptVisitor(&visitor, QueuedRenderableCollection::OM_PASS_GROUP);
169	if(!solidsonly)
170	transparents.acceptVisitor(&visitor, QueuedRenderableCollection::OM_SORT_ASCENDING);
171	}
172	}
173
174	//refill renderqueue
175	rq->clear();
176
177	std::map<Renderable*, String>::iterator it = visibleObjects.begin();
178	std::map<Renderable*, String>::iterator itend = visibleObjects.end();
179
180	while(it != itend)
181	{
182	rq->addRenderable((*it).first);
183	it++;
184	}
185
186	sm->setFindVisibleObjects(false);
187	}
188
189	void OgreRenderingRun::setMaterialForVisibles(String& materialName, Camera* cam, bool shadowcastersonly, bool solidsonly, String triggerName)
190	{
191	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
192
193	RenderQueue* rq = sm->getRenderQueue();
194	rq->clear();
195
196	RenderQueue::QueueGroupIterator groupIter = rq->_getQueueGroupIterator();
197	while (groupIter.hasMoreElements())
198	{
199	RenderQueueGroup* g = groupIter.getNext();
200	g->defaultOrganisationMode();
201	}
202
203	//sm->_findVisibleObjectsOC(cam, cam->getViewport(), false, false, shadowcastersonly);
204	sm->_findVisibleObjects(cam, shadowcastersonly);
205
206	setMaterialForRenderables(materialName, sm->getRenderQueue(), solidsonly, triggerName);
207	}
208
209	void OgreRenderingRun::restoreMaterials()
210	{
211	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
212
213	std::map<Renderable*, String>::iterator it = visibleObjects.begin();
214	std::map<Renderable*, String>::iterator itend = visibleObjects.end();
215
216	while(it != itend)
217	{
218	((it).first)->setMaterialName((it).second);
219	it++;
220	}
221
222	visibleObjects.clear();
223
224	sm->setFindVisibleObjects(true);
225	}
226
227	void OgreRenderingRun::renderFullscreenQuad(String materialName, RenderTarget* target)
228	{
229	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
230
231	if(fullScreenQuad == NULL)
232	{
233	fullScreenQuad = new MovablePlane("PASS_FULLSCREENQUAD_PLANE");
234	fullScreenQuad->d = 0;
235	fullScreenQuad->normal = Vector3::UNIT_Z;
236	MeshManager::getSingleton().createPlane("PASS_FULLSCREENQUAD_MESH",
237	ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
238	*fullScreenQuad, 2, 2,
239	1, 1, true, 1, 1, 1, Vector3::UNIT_Y);
240	fullScreenQuadEntity = sm->createEntity( "PASS_FULLSCREENQUAD_ENTITY", "PASS_FULLSCREENQUAD_MESH" );
241	sm->getRootSceneNode()->attachObject(fullScreenQuadEntity);
242	fullScreenQuadEntity->setVisible(false);
243	}
244
245	fullScreenQuadEntity->setMaterialName(materialName);
246	sm->getRenderQueue()->clear();
247	sm->getRenderQueue()->addRenderable(fullScreenQuadEntity->getSubEntity(0));
248	sm->setFindVisibleObjects(false);
249	target->update();
250	sm->setFindVisibleObjects(true);
251	}
252
253	void OgreRenderingRun::renderFullscreenGrid(String& materialName, RenderTarget* rt, int width, int height)
254	{
255	SceneManager* sm = Root::getSingleton()._getCurrentSceneManager();
256
257	if(fullscreenGrid == NULL)
258	{
259	MeshPtr mesh = MeshManager::getSingleton().createManual("FullScreenGrid",ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
260	SubMesh* subMesh = mesh->createSubMesh();
261
262	mesh->sharedVertexData = new VertexData();
263	VertexData* vertexData = mesh->sharedVertexData;
264
265	// define the vertex format
266	VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
267	size_t currOffset = 0;
268	// positions
269	vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_POSITION);
270	currOffset += VertexElement::getTypeSize(VET_FLOAT3);
271
272	// allocate the vertex buffer
273	vertexData->vertexCount = width * height;
274	HardwareVertexBufferSharedPtr vBuf = HardwareBufferManager::getSingleton().createVertexBuffer(vertexDecl->getVertexSize(0), vertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
275	VertexBufferBinding* binding = vertexData->vertexBufferBinding;
276	binding->setBinding(0, vBuf);
277	float* pVertex = static_cast<float*>(vBuf->lock(HardwareBuffer::HBL_DISCARD));
278
279	// allocate index buffer
280	subMesh->indexData->indexCount = 6 * (width - 1) * (height - 1);
281	subMesh->indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(HardwareIndexBuffer::IT_16BIT, subMesh->indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
282	HardwareIndexBufferSharedPtr iBuf = subMesh->indexData->indexBuffer;
283	unsigned short* pIndices = static_cast<unsigned short*>(iBuf->lock(HardwareBuffer::HBL_DISCARD));
284
285	unsigned short wVerticeIndex = 0 ;
286
287
288	for( int j = 0; j < height; j++ )
289	{
290	for( int i = 0; i < width; i++ )
291	{ //positions
292	float x = ((float)i + 0.5) / (float) width;
293	float y = ((float)j + 0.5) / (float) height;
294	*pVertex++ = x;
295	*pVertex++ = y;
296	*pVertex++ = 0;
297
298	//indexes
299	if( j < height - 1 && i < width -1 )
300	{
301	pIndices++ = j width + i;
302	pIndices++ = (j + 1) width + i;
303	pIndices++ = j width + i + 1;
304	pIndices++ = j width + i + 1;
305	pIndices++ = (j + 1) width + i;
306	pIndices++ = (j + 1) width + i + 1;
307	}
308
309	}
310	}
311
312	// Unlock
313	vBuf->unlock();
314	iBuf->unlock();
315	// Generate face list
316	subMesh->useSharedVertices = true;
317
318	// this line makes clear the mesh is loaded (avoids memory leaks)
319	mesh->load();
320
321	fullscreenGrid = sm->createEntity("FullScreenGridEntity", "FullScreenGrid");
322	SceneNode* n = sm->getRootSceneNode()->createChildSceneNode("FullScreenGridNode");
323	n->attachObject(fullscreenGrid);
324	fullscreenGrid->setVisible(false);
325	}
326
327	fullscreenGrid->setMaterialName(materialName);
328
329	sm->getRenderQueue()->clear();
330	sm->getRenderQueue()->addRenderable(fullscreenGrid->getSubEntity(0));
331	sm->setFindVisibleObjects(false);
332	rt->update();
333	sm->setFindVisibleObjects(true);
334
335	}
336
337	void OgreRenderingRun::renderPixelSprites(String& materialName, RenderTarget* rt, int width, int height)
338	{
339	SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
340
341	if(pixelSprites == 0)
342	{
343	int resolutionX = width;
344	int resolutionY = height;
345	pixelSprites = new BillboardSet(spriteSetName, resolutionX * resolutionY, true);
346	pixelSprites->setBillboardsInWorldSpace(true);
347	pixelSprites->setCullIndividually(false);
348	pixelSprites->setPointRenderingEnabled(true);
349	//pixelSprites->setDefaultDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
350	pixelSprites->beginBillboards();
351	for(int i = 0; i < resolutionX; i++)
352	{
353	for(int j = 0; j < resolutionY; j++)
354	{
355	Billboard bb( Vector3(
356	( (float)i + 0.5 )/ (float) resolutionX, //position x
357	( (float)j + 0.5 )/ (float) resolutionY, //position y
358	0),
359	pixelSprites);
360	bb.setDimensions(1.0 / (float) resolutionX, 1.0 / resolutionY);
361	pixelSprites->injectBillboard(bb);
362	}
363	}
364	pixelSprites->endBillboards();
365
366	sm->getRootSceneNode()->attachObject(pixelSprites);
367
368	pixelSprites->setVisible(false);
369	}
370
371	pixelSprites->setMaterialName(materialName);
372
373	sm->getRenderQueue()->clear();
374	sm->getRenderQueue()->addRenderable(pixelSprites);
375	sm->setFindVisibleObjects(false);
376	rt->update();
377	sm->setFindVisibleObjects(true);
378
379	}
380

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