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J3DUClipper halfway
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Jasper St. Pierre
@@ -4,29 +4,171 @@
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//
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#include "JSystem/J3DU/J3DUClipper.h"
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#include "dolphin/types.h"
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#include "JSystem/J3DGraphAnimator/J3DModel.h"
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#include "JSystem/J3DGraphAnimator/J3DModelData.h"
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#include "MSL_C/math.h"
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static const f32 Deg2Rad = 0.017453292f;
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/* 802566B8-802566CC .text init__11J3DUClipperFv */
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void J3DUClipper::init() {
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/* Nonmatching */
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setNear(1.0f);
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setFar(10000.0f);
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}
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static inline void J3DVecCrossProduct(Vec* pA, Vec* pB, Vec *dst) {
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dst->x = pA->y * pB->z - pA->z * pB->y;
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dst->y = pA->z * pB->x - pA->x * pB->z;
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dst->z = pA->x * pB->y - pA->y * pB->x;
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}
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/* 802566CC-80256888 .text calcViewFrustum__11J3DUClipperFv */
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void J3DUClipper::calcViewFrustum() {
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/* Nonmatching */
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f32 tanFovY = tan(mFovY * 0.5f * Deg2Rad);
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f32 nearY = tanFovY * mNear;
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f32 nearX = mAspect * nearY;
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Vec corner[] = {
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{ -nearX, -nearY, -mNear },
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{ -nearX, nearY, -mNear },
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{ nearX, nearY, -mNear },
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{ nearX, -nearY, -mNear },
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};
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J3DVecCrossProduct(&corner[1], &corner[0], &mPlane[0]);
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J3DVecCrossProduct(&corner[2], &corner[1], &mPlane[1]);
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J3DVecCrossProduct(&corner[3], &corner[2], &mPlane[2]);
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J3DVecCrossProduct(&corner[0], &corner[3], &mPlane[3]);
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VECNormalize(&mPlane[0], &mPlane[0]);
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VECNormalize(&mPlane[1], &mPlane[1]);
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VECNormalize(&mPlane[2], &mPlane[2]);
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VECNormalize(&mPlane[3], &mPlane[3]);
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}
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/* 80256888-802569D0 .text clip__11J3DUClipperFPA4_Cf3Vecf */
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void J3DUClipper::clip(const float(*)[4], Vec, float) {
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/* Nonmatching */
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u32 J3DUClipper::clip(const Mtx mtx, Vec pos, float radius) {
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Vec p;
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MTXMultVec(mtx, &pos, &p);
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if (-p.z < (mNear - radius))
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return TRUE;
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if (-p.z > mFar + radius)
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return TRUE;
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if (p.x * mPlane[0].x + p.y * mPlane[0].y + p.z * mPlane[0].z > radius)
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return TRUE;
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if (p.x * mPlane[1].x + p.y * mPlane[1].y + p.z * mPlane[1].z > radius)
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return TRUE;
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if (p.x * mPlane[2].x + p.y * mPlane[2].y + p.z * mPlane[2].z > radius)
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return TRUE;
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if (p.x * mPlane[3].x + p.y * mPlane[3].y + p.z * mPlane[3].z > radius)
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return TRUE;
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return FALSE;
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}
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/* 802569D0-80256CB8 .text clip__11J3DUClipperFPA4_CfP3VecP3Vec */
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void J3DUClipper::clip(const float(*)[4], Vec*, Vec*) {
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/* Nonmatching */
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u32 J3DUClipper::clip(const Mtx mtx, Vec* pMin, Vec* pMax) {
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s32 clip[6];
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for (u32 i = 0; i < ARRAY_SIZE(clip); i++)
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clip[i] = 0;
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Vec corner[8];
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corner[0].x = pMax->x;
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corner[0].y = pMax->y;
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corner[0].z = pMin->z;
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corner[1].x = pMax->x;
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corner[1].y = pMax->y;
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corner[1].z = pMax->z;
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corner[2].x = pMin->x;
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corner[2].y = pMax->y;
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corner[2].z = pMax->z;
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corner[3].x = pMin->x;
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corner[3].y = pMax->y;
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corner[3].z = pMin->z;
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corner[4].x = pMax->x;
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corner[4].y = pMin->y;
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corner[4].z = pMin->z;
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corner[5].x = pMax->x;
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corner[5].y = pMin->y;
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corner[5].z = pMax->z;
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corner[6].x = pMin->x;
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corner[6].y = pMin->y;
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corner[6].z = pMax->z;
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corner[7].x = pMin->x;
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corner[7].y = pMin->y;
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corner[7].z = pMin->z;
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for (u32 i = 0; i < ARRAY_SIZE(corner); i++) {
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Vec p;
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MTXMultVec(mtx, &corner[i], &p);
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s32 any = false;
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if (-p.z < mNear)
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clip[4]++, any++;
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if (-p.z > mFar)
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clip[5]++, any++;
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if (p.x * mPlane[0].x + p.y * mPlane[0].y + p.z * mPlane[0].z > 0.0f)
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clip[0]++, any++;
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if (p.x * mPlane[1].x + p.y * mPlane[1].y + p.z * mPlane[1].z > 0.0f)
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clip[1]++, any++;
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if (p.x * mPlane[2].x + p.y * mPlane[2].y + p.z * mPlane[2].z > 0.0f)
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clip[2]++, any++;
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if (p.x * mPlane[3].x + p.y * mPlane[3].y + p.z * mPlane[3].z > 0.0f)
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clip[3]++, any++;
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if (!any)
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return FALSE;
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}
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if (clip[0] == 8)
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return TRUE;
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if (clip[2] == 8)
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return TRUE;
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if (clip[1] == 8)
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return TRUE;
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if (clip[3] == 8)
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return TRUE;
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if (clip[4] == 8)
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return TRUE;
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if (clip[5] == 8)
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return TRUE;
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return FALSE;
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}
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/* 80256CB8-80256DBC .text clipByBox__11J3DUClipperFP8J3DModel */
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void J3DUClipper::clipByBox(J3DModel*) {
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/* Nonmatching */
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u32 J3DUClipper::clipByBox(J3DModel* pModel) {
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u32 hideJointNum = 0;
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J3DModelData * pModelData = pModel->getModelData();
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for (u16 i = 0; i < pModelData->getJointNum(); i++) {
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J3DJoint * pJoint = pModelData->getJointNodePointer(i);
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if (pJoint->getKind() == 0) {
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Mtx mtx;
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MTXConcat(j3dSys.getViewMtx(), pModel->getAnmMtx(i), mtx);
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BOOL ret = clip(mtx, pJoint->getMax(), pJoint->getMin());
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J3DMaterial * pMaterial = pModelData->getJointNodePointer(i)->getMesh();
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if (ret) {
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for (; pMaterial != NULL; pMaterial = pMaterial->getNext()) {
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pMaterial->getShape()->hide();
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hideJointNum++;
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}
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} else {
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for (; pMaterial != NULL; pMaterial = pMaterial->getNext())
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pMaterial->getShape()->show();
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}
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}
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}
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return hideJointNum;
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}
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