diff options
Diffstat (limited to 'src/rw/RwHelper.cpp')
| -rw-r--r-- | src/rw/RwHelper.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/rw/RwHelper.cpp b/src/rw/RwHelper.cpp index ab368e85..d207a08b 100644 --- a/src/rw/RwHelper.cpp +++ b/src/rw/RwHelper.cpp @@ -395,6 +395,125 @@ RenderSkeleton(RpHAnimHierarchy *hier) } #endif + +RwBool Im2DRenderQuad(RwReal x1, RwReal y1, RwReal x2, RwReal y2, RwReal z, RwReal recipCamZ, RwReal uvOffset) +{ + RwIm2DVertex vx[4]; + + /* + * Render an opaque white 2D quad at the given coordinates and + * spanning a whole texture. + */ + + RwIm2DVertexSetScreenX(&vx[0], x1); + RwIm2DVertexSetScreenY(&vx[0], y1); + RwIm2DVertexSetScreenZ(&vx[0], z); + RwIm2DVertexSetIntRGBA(&vx[0], 255, 255, 255, 255); + RwIm2DVertexSetRecipCameraZ(&vx[0], recipCamZ); + RwIm2DVertexSetU(&vx[0], uvOffset, recipCamZ); + RwIm2DVertexSetV(&vx[0], uvOffset, recipCamZ); + + RwIm2DVertexSetScreenX(&vx[1], x1); + RwIm2DVertexSetScreenY(&vx[1], y2); + RwIm2DVertexSetScreenZ(&vx[1], z); + RwIm2DVertexSetIntRGBA(&vx[1], 255, 255, 255, 255); + RwIm2DVertexSetRecipCameraZ(&vx[1], recipCamZ); + RwIm2DVertexSetU(&vx[1], uvOffset, recipCamZ); + RwIm2DVertexSetV(&vx[1], 1.0f + uvOffset, recipCamZ); + + RwIm2DVertexSetScreenX(&vx[2], x2); + RwIm2DVertexSetScreenY(&vx[2], y1); + RwIm2DVertexSetScreenZ(&vx[2], z); + RwIm2DVertexSetIntRGBA(&vx[2], 255, 255, 255, 255); + RwIm2DVertexSetRecipCameraZ(&vx[2], recipCamZ); + RwIm2DVertexSetU(&vx[2], 1.0f + uvOffset, recipCamZ); + RwIm2DVertexSetV(&vx[2], uvOffset, recipCamZ); + + RwIm2DVertexSetScreenX(&vx[3], x2); + RwIm2DVertexSetScreenY(&vx[3], y2); + RwIm2DVertexSetScreenZ(&vx[3], z); + RwIm2DVertexSetIntRGBA(&vx[3], 255, 255, 255, 255); + RwIm2DVertexSetRecipCameraZ(&vx[3], recipCamZ); + RwIm2DVertexSetU(&vx[3], 1.0f + uvOffset, recipCamZ); + RwIm2DVertexSetV(&vx[3], 1.0f + uvOffset, recipCamZ); + + RwIm2DRenderPrimitive(rwPRIMTYPETRISTRIP, vx, 4); + + return TRUE; +} + +bool b_cbsUseLTM = true; + +RpAtomic *cbsCalcMeanBSphereRadiusCB(RpAtomic *atomic, void *data) +{ + RwV3d atomicPos; + + if ( b_cbsUseLTM ) + RwV3dTransformPoints(&atomicPos, &RpAtomicGetBoundingSphere(atomic)->center, 1, RwFrameGetLTM(RpClumpGetFrame(atomic->clump))); + else + RwV3dTransformPoints(&atomicPos, &RpAtomicGetBoundingSphere(atomic)->center, 1, RwFrameGetMatrix(RpClumpGetFrame(atomic->clump))); + + RwV3d temp; + RwV3dSub(&temp, &atomicPos, &((RwSphere *)data)->center); + RwReal radius = RwV3dLength(&temp) + RpAtomicGetBoundingSphere(atomic)->radius; + + if ( ((RwSphere *)data)->radius < radius ) + ((RwSphere *)data)->radius = radius; + + return atomic; +} + +RpAtomic *cbsCalcMeanBSphereCenterCB(RpAtomic *atomic, void *data) +{ + RwV3d atomicPos; + + if ( b_cbsUseLTM ) + RwV3dTransformPoints(&atomicPos, &RpAtomicGetBoundingSphere(atomic)->center, 1, RwFrameGetLTM(RpClumpGetFrame(atomic->clump))); + else + RwV3dTransformPoints(&atomicPos, &RpAtomicGetBoundingSphere(atomic)->center, 1, RwFrameGetMatrix(RpClumpGetFrame(atomic->clump))); + + RwV3dAdd(&((RwSphere *)data)->center, &((RwSphere *)data)->center, &atomicPos); + + return atomic; +} + +RpClump *RpClumpGetBoundingSphere(RpClump *clump, RwSphere *sphere, bool useLTM) +{ + RwMatrix matrix; + RwSphere result = { 0.0f, 0.0f, 0.0f, 0.0f }; + + b_cbsUseLTM = useLTM; + + if ( clump == NULL || sphere == NULL ) + return NULL; + + sphere->radius = 0.0f; + sphere->center.x = 0.0f; + sphere->center.y = 0.0f; + sphere->center.z = 0.0f; + + RwInt32 numAtomics = RpClumpGetNumAtomics(clump); + if ( numAtomics < 1.0f ) + return NULL; + + RpClumpForAllAtomics(clump, cbsCalcMeanBSphereCenterCB, &result); + + RwV3dScale(&result.center, &result.center, 1.0f/numAtomics); + + RpClumpForAllAtomics(clump, cbsCalcMeanBSphereRadiusCB, &result); + + if ( b_cbsUseLTM ) + RwMatrixInvert(&matrix, RwFrameGetLTM(RpClumpGetFrame(clump))); + else + RwMatrixInvert(&matrix, RwFrameGetMatrix(RpClumpGetFrame(clump))); + + RwV3dTransformPoints(&result.center, &result.center, 1, &matrix); + + RwSphereAssign(sphere, &result); + + return clump; +} + void CameraSize(RwCamera * camera, RwRect * rect, RwReal viewWindow, RwReal aspectRatio) |