C++ (Cpp) Frustum_ClipToPlaneUVRGB Exemples

Exemple #1

Fichier : User.c Projet : RealityFactory/Genesis3D

//=====================================================================================
//	RenderTexturedPoly
//=====================================================================================
static void RenderTexturedPoly(DRV_Driver *RDriver, gePoly *Poly, Frustum_Info *FInfo, geCamera *Camera)
{
	geVec3d			Dest1[30], Dest2[30], *pDest1, *pDest2, *pDest3, *pTempDest;
	GE_LVertex		*pLVert;
	Surf_TexVert	Tex1[30], Tex2[30];
	Surf_TexVert	*pTex1, *pTex2, *pTempTex;
	DRV_TLVertex	Clipped1[90];
	int32			Length1, Length2;
	geBitmap		*pBitmap;
	GFX_Plane		*pFPlanes;
	int32			i, p;
	uint32			RenderFlags;
// skydome
	int32			plan;
//	FILE *fp;

	assert(geWorld_PolyIsValid(Poly));

	pFPlanes = FInfo->Planes;
	
	pDest1 = Dest1;
	pTex1 = Tex1;
	pLVert = Poly->Verts;

	for (i=0; i< Poly->NumVerts; i++)
	{
		pDest1->X = pLVert->X;
		pDest1->Y = pLVert->Y;
		pDest1->Z = pLVert->Z;

		pTex1->u = pLVert->u;
		pTex1->v = pLVert->v;
		pTex1->r = pLVert->r;
		pTex1->g = pLVert->g;
		pTex1->b = pLVert->b;
		
		pDest1++;
		pLVert++;
		pTex1++;
	}

	pDest1 = Dest1;
	pDest2 = Dest2;
	pTex1 = Tex1;
	pTex2 = Tex2;
	Length1 = Poly->NumVerts;

// skydome
	plan = FInfo->NumPlanes;
// changed QD Clipping
//	if (((Poly->RenderFlags & GE_RENDER_NO_CLIP)==GE_RENDER_NO_CLIP) && plan==5)
	if (((Poly->RenderFlags & GE_RENDER_NO_CLIP)==GE_RENDER_NO_CLIP) && plan==6)
		plan -= 1;

	for (p=0; p< plan; p++, pFPlanes++)
	{
		if (!Frustum_ClipToPlaneUVRGB(pFPlanes, pDest1, pDest2, pTex1, pTex2, Length1, &Length2))
			return;

		// Swap them
		pTempDest = pDest1;
		pDest1 = pDest2;
		pDest2 = pTempDest;
	
		pTempTex = pTex1;
		pTex1 = pTex2;
		pTex2 = pTempTex;

		Length1 = Length2;
	}

	if (Length1 < 3)
		return;

	pDest3 = pDest2;
	for (i=0; i< Length1; i++)
	{
		//geXForm3d_Transform(&Camera->XForm, pDest1, pDest2);
		geCamera_Transform(Camera,pDest1,pDest2);
		pDest1++;
		pDest2++;
	}

	Frustum_ProjectRGB(pDest3, pTex1, Clipped1, Length1, Camera);

	pBitmap = Poly->Bitmap;
		
	Clipped1[0].a = Poly->Verts[0].a;


	if (Poly->RenderFlags & GE_RENDER_DO_NOT_OCCLUDE_OTHERS)
	{
		RenderFlags = DRV_RENDER_NO_ZWRITE;
	}
	else
		RenderFlags = 0;

	if (Poly->RenderFlags & GE_RENDER_DO_NOT_OCCLUDE_SELF)
	{	
		RenderFlags |= DRV_RENDER_NO_ZMASK;
	}
	
	if (Clipped1[0].a != 255.0f)
	{
		RenderFlags |= DRV_RENDER_ALPHA;
	}

/* 01/30/2003 Wendell Buckner 
     Driver render flush is probably causing a slow down! */
	if (Poly->RenderFlags & GE_RENDER_DEPTH_SORT_BF) 
	{	
		RenderFlags |= DRV_RENDER_FLUSH;
	}

	if (Poly->RenderFlags & GE_RENDER_CLAMP_UV)
	{	
		RenderFlags |= DRV_RENDER_CLAMP_UV;
	}

	if (Poly->RenderFlags & GE_RENDER_NO_FOG) // skybox fog
	{	
		RenderFlags |= DRV_RENDER_POLY_NO_FOG;
	}

	// Render it...
	assert(geWorld_HasBitmap(gWorld, pBitmap));
	assert(geBitmap_GetTHandle(pBitmap));

/* 08/08/2004 Wendell Buckner
     BUG FIX: Allways call geBitmap_SetRenderFlags() before calling a textured rendering function(for embm, dot3, & etc...). */
	geBitmap_SetRenderFlags(pBitmap, &RenderFlags);

	RDriver->RenderMiscTexturePoly(Clipped1, Length1, geBitmap_GetTHandle(pBitmap), RenderFlags);

}

Exemple #2

Fichier : User.c Projet : 5432935/genesis3d

//=====================================================================================
//	RenderTexturedPoly
//=====================================================================================
static void RenderTexturedPoly(DRV_Driver *RDriver, gePoly *Poly, Frustum_Info *FInfo, geCamera *Camera)
{
	geVec3d			Dest1[30], Dest2[30], *pDest1, *pDest2, *pDest3, *pTempDest;
	GE_LVertex		*pLVert;
	Surf_TexVert	Tex1[30], Tex2[30];
	Surf_TexVert	*pTex1, *pTex2, *pTempTex;
	DRV_TLVertex	Clipped1[90];
	int32			Length1, Length2;
	geBitmap		*pBitmap;
	GFX_Plane		*pFPlanes;
	int32			i, p;
	uint32			RenderFlags;
// skydome
	int32			plan;

	assert(geWorld_PolyIsValid(Poly));

	pFPlanes = FInfo->Planes;
	
	pDest1 = Dest1;
	pTex1 = Tex1;
	pLVert = Poly->Verts;

	for (i=0; i< Poly->NumVerts; i++)
	{
		pDest1->X = pLVert->X;
		pDest1->Y = pLVert->Y;
		pDest1->Z = pLVert->Z;

		pTex1->u = pLVert->u;
		pTex1->v = pLVert->v;
		pTex1->r = pLVert->r;
		pTex1->g = pLVert->g;
		pTex1->b = pLVert->b;
		
		pDest1++;
		pLVert++;
		pTex1++;
	}

	pDest1 = Dest1;
	pDest2 = Dest2;
	pTex1 = Tex1;
	pTex2 = Tex2;
	Length1 = Poly->NumVerts;

// skydome
	plan = FInfo->NumPlanes;
	if (((Poly->RenderFlags & GE_RENDER_NO_CLIP)==GE_RENDER_NO_CLIP) && plan==5)
		plan -= 1;

	for (p=0; p< plan; p++, pFPlanes++)
	{
		if (!Frustum_ClipToPlaneUVRGB(pFPlanes, pDest1, pDest2, pTex1, pTex2, Length1, &Length2))
			return;

		// Swap them
		pTempDest = pDest1;
		pDest1 = pDest2;
		pDest2 = pTempDest;
	
		pTempTex = pTex1;
		pTex1 = pTex2;
		pTex2 = pTempTex;

		Length1 = Length2;
	}

	if (Length1 < 3)
		return;

	pDest3 = pDest2;
	for (i=0; i< Length1; i++)
	{
		//geXForm3d_Transform(&Camera->XForm, pDest1, pDest2);
		geCamera_Transform(Camera,pDest1,pDest2);
		pDest1++;
		pDest2++;
	}

	Frustum_ProjectRGB(pDest3, pTex1, Clipped1, Length1, Camera);

	pBitmap = Poly->Bitmap;
		
	Clipped1[0].a = Poly->Verts[0].a;

	if (Poly->RenderFlags & GE_RENDER_DO_NOT_OCCLUDE_OTHERS)
		RenderFlags = DRV_RENDER_NO_ZWRITE;
	else
		RenderFlags = 0;

	if (Poly->RenderFlags & GE_RENDER_DO_NOT_OCCLUDE_SELF)
		RenderFlags |= DRV_RENDER_NO_ZMASK;
	
	if (Clipped1[0].a != 255.0f)
		RenderFlags |= DRV_RENDER_ALPHA;

	if (Poly->RenderFlags & GE_RENDER_DEPTH_SORT_BF)
		RenderFlags |= DRV_RENDER_FLUSH;

	if (Poly->RenderFlags & GE_RENDER_CLAMP_UV)
		RenderFlags |= DRV_RENDER_CLAMP_UV;

	if (Poly->RenderFlags & GE_RENDER_NO_FOG) // skybox fog
		RenderFlags |= DRV_RENDER_POLY_NO_FOG;

	// Render it...
	assert(geWorld_HasBitmap(gWorld, pBitmap));
	assert(geBitmap_GetTHandle(pBitmap));

	RDriver->RenderMiscTexturePoly(Clipped1, Length1, geBitmap_GetTHandle(pBitmap), RenderFlags);

}