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source: GTP/trunk/Lib/Illum/IllumModule/OgreIllumModule/src/OgreRenderingRun.cpp @ 1647

Revision 1647, 11.3 KB checked in by szirmay, 18 years ago (diff)

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

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