bool MFCollision_SweepSphereTriTest(const MFVector &sweepSpherePos, const MFVector &sweepSphereVelocity, float sweepSphereRadius, const MFCollisionTriangle &tri, MFSweepSphereResult *pResult)
{
MFRayIntersectionResult result;
// test the triangle surface
if(!MFCollision_RaySlabTest(sweepSpherePos, sweepSphereVelocity, tri.plane, sweepSphereRadius, &result))
return false;
MFVector intersection = sweepSpherePos + sweepSphereVelocity * result.time;
// test if intersection is inside the triangle
float dot0, dot1, dot2;
dot0 = intersection.DotH(tri.edgePlanes[0]);
// if(dot0 > sphereRadius)
// return false;
dot1 = intersection.DotH(tri.edgePlanes[1]);
// if(dot1 > sphereRadius)
// return false;
dot2 = intersection.DotH(tri.edgePlanes[2]);
// if(dot2 > sphereRadius)
// return false;
// test if intersection is inside the triangle face
if(dot0 >= 0.0f && dot1 >= 0.0f && dot2 >= 0.0f)
goto collision;
// test the 3 edges
if(dot0 < 0.0f)
{
if(MFCollision_RayCapsuleTest(sweepSpherePos, sweepSphereVelocity, tri.verts[0], tri.verts[1]-tri.verts[0], sweepSphereRadius, &result))
goto collision;
}
if(dot1 < 0.0f)
{
if(MFCollision_RayCapsuleTest(sweepSpherePos, sweepSphereVelocity, tri.verts[1], tri.verts[2]-tri.verts[1], sweepSphereRadius, &result))
goto collision;
}
if(dot2 < 0.0f)
{
if(MFCollision_RayCapsuleTest(sweepSpherePos, sweepSphereVelocity, tri.verts[2], tri.verts[0]-tri.verts[2], sweepSphereRadius, &result))
goto collision;
}
return false;
collision:
if(result.time == 0.0f)
{
// this is for double sided collision.
float dot = sweepSpherePos.DotH(tri.plane);
float amountResolve = sweepSphereRadius - MFAbs(dot);
pResult->intersectionReaction = result.surfaceNormal * amountResolve;
}
else
pResult->intersectionReaction = MFVector::zero;
pResult->surfaceNormal = result.surfaceNormal;
pResult->time = result.time;
return true;
}
void Menu::Draw()
{
MFVector dimensions = MakeVector(0.0f, 0.0f, 0.0f);
MFVector currentPos;
float requestedWidth = menuDimensions.x-40.0f;
float selStart, selEnd;
int a;
// get menu size
for(a=0; a<numChildren; a++)
{
MFVector dim = pChildren[a]->GetDimensions(requestedWidth);
if(selection==a)
{
selStart = dimensions.y;
selEnd = selStart + dim.y;
if(selStart < -yOffset)
{
targetOffset = -selStart;
}
if(selEnd > menuDimensions.y - 75.0f - yOffset)
{
targetOffset = -(selEnd-(menuDimensions.y-75.0f));
}
}
dimensions.y += dim.y;
dimensions.x = MFMax(dimensions.x, dim.x);
}
if(targetOffset != yOffset)
{
yOffset -= MFAbs(yOffset-targetOffset) < 0.1f ? yOffset-targetOffset : (yOffset-targetOffset)*0.1f;
}
currentPos = MakeVector(menuPosition.x+20.0f, menuPosition.y+50.0f + yOffset, 0.0f);
MFPrimitive(PT_TriStrip|PT_Untextured);
MFBegin(4);
MFSetColourV(colour*0.4f);
MFSetPosition(menuPosition.x, menuPosition.y, 0);
MFSetColourV(colour*0.8f);
MFSetPosition(menuPosition.x+menuDimensions.x, menuPosition.y, 0);
MFSetColourV(colour*0.6f);
MFSetPosition(menuPosition.x, menuPosition.y+menuDimensions.y, 0);
MFSetColourV(colour);
MFSetPosition(menuPosition.x+menuDimensions.x, menuPosition.y+menuDimensions.y, 0);
MFEnd();
MFFont_DrawText2(MFFont_GetDebugFont(), menuPosition.x+10.0f, menuPosition.y+5.0f, MENU_FONT_HEIGHT*1.5f, MakeVector(1,0.6875f,0.5f,1), name);
MFMaterial_SetMaterial(MFMaterial_GetStockMaterial(MFMat_SysLogoSmall));
float logoMargin = 5.0f;
float iconSize = 35.0f;
MFPrimitive(PT_TriStrip);
MFBegin(4);
MFSetColourV(MFVector::white);
MFSetTexCoord1(0,0);
MFSetPosition((menuPosition.x+menuDimensions.x) - logoMargin*2 - iconSize, menuPosition.y + logoMargin, 0);
MFSetTexCoord1(1,0);
MFSetPosition((menuPosition.x+menuDimensions.x) - logoMargin*2, menuPosition.y + logoMargin, 0);
MFSetTexCoord1(0,1);
MFSetPosition((menuPosition.x+menuDimensions.x) - logoMargin*2 - iconSize, menuPosition.y + logoMargin + iconSize, 0);
MFSetTexCoord1(1,1);
MFSetPosition((menuPosition.x+menuDimensions.x) - logoMargin*2, menuPosition.y + logoMargin + iconSize, 0);
MFEnd();
#if MF_RENDERER == MF_DRIVER_D3D9 || MF_RENDERER == MF_DRIVER_XBOX
pd3dDevice->SetRenderState(D3DRS_STENCILENABLE, TRUE);
pd3dDevice->SetRenderState(D3DRS_STENCILFUNC, D3DCMP_ALWAYS);
pd3dDevice->SetRenderState(D3DRS_STENCILPASS, D3DSTENCILOP_INCR);
#endif
MFPrimitive(PT_TriStrip|PT_Untextured);
MFBegin(4);
MFSetColour(0.f, 0.f, 0.f, 0.65f);
MFSetPosition(menuPosition.x+15, menuPosition.y+45, 0);
MFSetPosition(menuPosition.x+menuDimensions.x-15, menuPosition.y+45, 0);
MFSetPosition(menuPosition.x+15, menuPosition.y+menuDimensions.y-15, 0);
MFSetPosition(menuPosition.x+menuDimensions.x-15, menuPosition.y+menuDimensions.y-15, 0);
MFEnd();
#if MF_RENDERER == MF_DRIVER_D3D9 || MF_RENDERER == MF_DRIVER_XBOX
pd3dDevice->SetRenderState(D3DRS_STENCILFUNC, D3DCMP_LESS);
pd3dDevice->SetRenderState(D3DRS_STENCILREF, 0);
#endif
for(a=0; a<numChildren; a++)
{
if(currentPos.y > menuPosition.y + menuDimensions.y - 15.0f) break;
if(selection==a)
{
float height = pChildren[a]->GetDimensions(requestedWidth).y;
if(currentPos.y + height < menuPosition.y + 45.0f)
{
currentPos.y += height;
continue;
}
MFPrimitive(PT_TriStrip|PT_Untextured);
MFBegin(4);
MFSetColour(0.f, 0.f, .5f, .75f);
MFSetPosition(menuPosition.x+15, currentPos.y, 0);
MFSetColour(0.f, 0.f, .8f, .75f);
MFSetPosition(menuPosition.x+menuDimensions.x-15, currentPos.y, 0);
MFSetColour(0.f, 0.f, .56f, .75f);
MFSetPosition(menuPosition.x+15, currentPos.y + height, 0);
MFSetColour(0.f, 0.f, .1f, .75f);
MFSetPosition(menuPosition.x+menuDimensions.x-15, currentPos.y + height, 0);
MFEnd();
}
currentPos.y += pChildren[a]->ListDraw(selection==a, currentPos, requestedWidth);
}
#if MF_RENDERER == MF_DRIVER_D3D9 || MF_RENDERER == MF_DRIVER_XBOX
pd3dDevice->SetRenderState(D3DRS_STENCILENABLE, FALSE);
#endif
}
