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source: GTP/trunk/Lib/Illum/IllumModule/OgreIllumModule/src/RenderingRuns/OgreDepthShadowMapRenderingRun.cpp @ 1055

Revision 1055, 6.5 KB checked in by szirmay, 19 years ago (diff)

Line
1	#include "OgreDepthShadowMapRenderingRun.h"
2	#include "OgreIlluminationManager.h"
3
4
5	OgreDepthShadowMapRenderingRun::OgreDepthShadowMapRenderingRun(OgreSharedRuns* sharedRuns,
6	String name,
7	Light* light,
8	unsigned int resolutionX,
9	unsigned int resolutionY,
10	String materialName
11	)
12	:DepthShadowMapRenderingRun(resolutionX, resolutionY)
13	, OgreRenderingRun(1, 1)
14	, RenderingRun(1, 1)
15	{
16	this->light = light;
17	this->sharedRuns = sharedRuns;
18	names[0] = name + "1";
19	names[1] = name + "2";
20	this->materialName = materialName;
21
22	createDepthMap();
23	}
24
25	void OgreDepthShadowMapRenderingRun::createDepthMap()
26	{
27	for(int i = 0; i < 2; i++)
28	{
29	TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual(names[i],
30	"default",
31	TEX_TYPE_2D,
32	resolutionX,
33	resolutionY,
34	0,
35	0,
36	PF_FLOAT16_RGBA,
37	TU_RENDERTARGET);
38	depthMapTextures[i] = texPtr.getPointer();
39	depthMapCameras[i] = Root::getSingleton()._getCurrentSceneManager()->createCamera(names[i] + "_CAMERA");
40	//add viewport to rendertarget
41	HardwarePixelBuffer* hpb = (depthMapTextures[i]->getBuffer()).getPointer();
42	RenderTarget* rt = hpb->getRenderTarget();
43	Viewport* v = rt->addViewport(depthMapCameras[i]);
44	v->setOverlaysEnabled(false);
45	rt->setAutoUpdated(false);
46	}
47	}
48
49	void OgreDepthShadowMapRenderingRun::updateFrame(unsigned long frameNum)
50	{
51	refreshLight();
52
53	if(light->getType() == Light::LT_POINT)
54	{
55	updateDepthMap();
56	}
57	else
58	{
59	updateDepthMap();
60	}
61
62
63	}
64
65	void OgreDepthShadowMapRenderingRun::updateDepthCubeFace(int facenum)
66	{
67	}
68
69	void OgreDepthShadowMapRenderingRun::updateDepthMap()
70	{
71	setMaterialForVisibles(materialName, depthMapCameras[0], true);
72	RenderTarget* rt = depthMapTextures[0]->getBuffer().getPointer()->getRenderTarget();
73	rt->update();
74	//restoreMaterials();
75	//rt->writeContentsToFile("shadowmap1.dds");
76
77	//setMaterialForVisibles(materialName, depthMapCameras[1], true);
78	RenderTarget* rt2 = depthMapTextures[1]->getBuffer().getPointer()->getRenderTarget();
79	rt2->update();
80	restoreMaterials();
81	//rt2->writeContentsToFile("shadowmap2.dds");
82
83
84	}
85
86	void setnear()
87	{
88
89	}
90
91	void OgreDepthShadowMapRenderingRun::refreshLight()
92	{
93
94	if(light!= 0)
95	{
96	if(light->getType() == Light::LT_DIRECTIONAL)
97	{
98	//Vector3 dir = light->getDirection();
99	Vector3 dir = Vector3(0,-1,-1);
100	Vector3 pos;
101	float size;
102
103	Camera* viewcam = OgreIlluminationManager::getSingleton().getMainCamera();
104
105	//Matrix4 camView = viewcam->getViewMatrix();
106	//Matrix4 camViewI = camView.inverse();
107	//const AxisAlignedBox bt = viewcam->getWorldBoundingBox(true);
108	//AxisAlignedBox b = bt;
109	//b.transform(camView);
110	//SceneManager* sm = Root::getSingleton()._getCurrentSceneManager();
111	//SceneNode* node = sm->getRootSceneNode();
112	//const AxisAlignedBox bs(-35,-5 ,-75, 35, 15, 75);// = node->_getWorldAABB();
113	//AxisAlignedBox intersection = b.intersection(bs);
114	//pos = intersection.getCenter();
115	//size = (intersection.getMaximum() - pos).length();
116
117	//TODO: where to put light
118	size = 30;
119	pos = Vector3(0,0,0);
120
121	depthMapCameras[0]->setDirection( dir );
122	pos = pos - size * dir;
123	depthMapCameras[0]->setPosition( pos );
124	depthMapCameras[0]->setProjectionType(PT_ORTHOGRAPHIC);
125	Matrix4 fproj;
126	fproj = depthMapCameras[0]->getProjectionMatrix();
127	fproj = Matrix4::IDENTITY;
128	fproj.setScale(Vector3(1.0/20, 1.0/25, -1.0/100));
129	//fproj.setTrans(Vector3(0,0,-50));
130	depthMapCameras[0]->setCustomProjectionMatrix(true,fproj);
131
132
133	//camera2
134	dir.normalise();
135	size = abs(dir.crossProduct(Vector3(0,0,1)).length() * 2);
136	Vector3 viewDir = viewcam->getDirection();
137	float y = viewDir.y;
138	viewDir.y = std::min(0.0f, y);
139	viewDir.normalise();
140	Vector3 down(0,-1,0);
141	float cosA = viewDir.dotProduct(down);
142	Vector3 newDir = viewDir + down * 0.4;
143	newDir.normalise();
144	pos = viewcam->getPosition();
145	size = pos.y 0.5 + 1;
146	pos += newDir * viewcam->getPosition().y
147	/ newDir.dotProduct(down);
148	//pos.y = 0;
149
150
151
152	depthMapCameras[1]->setDirection( dir );
153	pos = pos - 30 * dir;
154	depthMapCameras[1]->setPosition( pos );
155	depthMapCameras[1]->setProjectionType(PT_ORTHOGRAPHIC);
156	Matrix4 fproj2;
157	fproj2 = depthMapCameras[1]->getProjectionMatrix();
158	fproj2 = Matrix4::IDENTITY;
159	fproj2.setScale(Vector3(1.0/size, 1.0/size, -1.0/100));
160	//fproj.setTrans(Vector3(0,0,-50));
161	depthMapCameras[1]->setCustomProjectionMatrix(true,fproj2);
162
163
164	/*LISPSM
165	Vector3 viewdir = viewcam->getDirection();
166	Vector3 lightdir = dir;
167
168	float dotProd = viewdir.dotProduct(lightdir);
169	float sinGamma;
170	sinGamma = sqrt(1.0-dotProd*dotProd);
171	g_fsinGamma = sinGamma;
172
173	Vector3 newVdir = viewdir;
174	Matrix4 proj;*/
175
176	}
177	else if(light->getType() == Light::LT_SPOTLIGHT)
178	{
179	/* Vector3 dir = light->getDirection();
180	depthMapCamera->setDirection( dir );
181	Vector3 pos = light->getParentNode()->getWorldPosition();
182	depthMapCamera->setPosition(pos);
183	depthMapCamera->setProjectionType(PT_PERSPECTIVE);
184	depthMapCamera->setFOVy(light->getSpotlightOuterAngle());*/
185	}
186	else//point light
187	{
188	/* Vector3 pos = light->getParentNode()->getWorldPosition();
189	Vector3 dir = -pos;
190	depthMapCamera->setDirection( dir );
191	depthMapCamera->setPosition(pos);
192	depthMapCamera->setProjectionType(PT_PERSPECTIVE);
193	depthMapCamera->setFOVy(Radian(Degree(140)));
194	depthMapCamera->setNearClipDistance(1);
195	// depthMapCamera->setFarClipDistance(200);
196
197	//OGRE_EXCEPT(0, "NOT implemented for Pointlight", "OgreDepthShadowMapRenderingRun::refreshLight");
198	*/
199	/*Vector3 pos = light->getParentNode()->getWorldPosition();
200	Vector3 dir = -pos;
201	depthMapCamera->setDirection( dir );
202	depthMapCamera->setPosition(pos);
203	depthMapCamera->setProjectionType(PT_ORTHOGRAPHIC);
204	depthMapCamera->*/
205
206	}
207	}
208	}
209
210	Matrix4 OgreDepthShadowMapRenderingRun::getLightViewMatrix(int i)
211	{
212	return depthMapCameras[i]->getViewMatrix();
213	}
214
215	Matrix4 OgreDepthShadowMapRenderingRun::getLightViewProjMatrix(int i)
216	{
217	return depthMapCameras[i]->getProjectionMatrix() * depthMapCameras[i]->getViewMatrix();
218	}
219

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