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#include "nw4r/g3d.h" // IWYU pragma: export
#include "nw4r/math.h" // IWYU pragma: export
#include <algorithm>
namespace nw4r {
namespace g3d {
/******************************************************************************
*
* LightObj
*
******************************************************************************/
LightObj &LightObj::operator=(const LightObj &rOther) {
if (this != &rOther) {
mFlag = rOther.mFlag;
detail::Copy32ByteBlocks(&mObj, &rOther.mObj, sizeof(GXLightObj));
}
return *this;
}
void LightObj::Clear() {
mFlag = 0;
detail::ZeroMemory32ByteBlocks(&mObj, sizeof(GXLightObj));
}
void LightObj::InitLightColor(GXColor color) {
GXInitLightColor(&mObj, color);
}
void LightObj::InitLightPos(f32 x, f32 y, f32 z) {
GXInitLightPos(&mObj, x, y, z);
mFlag &= ~FLAG_SPECULAR;
}
void LightObj::InitLightDir(f32 nx, f32 ny, f32 nz) {
GXInitLightDir(&mObj, nx, ny, nz);
mFlag &= ~FLAG_SPECULAR;
mFlag |= FLAG_SPOT;
}
void LightObj::InitLightSpot(f32 cutoff, GXSpotFn spotFn) {
GXInitLightSpot(&mObj, cutoff, spotFn);
mFlag &= ~FLAG_SPECULAR;
mFlag |= FLAG_SPOT;
}
void LightObj::InitLightAttnA(f32 aa, f32 ab, f32 ac) {
GXInitLightAttnA(&mObj, aa, ab, ac);
mFlag &= ~FLAG_SPECULAR;
mFlag |= FLAG_SPOT;
}
void LightObj::InitLightDistAttn(f32 distance, f32 brightness, GXDistAttnFn distAttnFn) {
GXInitLightDistAttn(&mObj, distance, brightness, distAttnFn);
mFlag &= ~FLAG_SPECULAR;
mFlag |= FLAG_SPOT;
}
void LightObj::InitLightAttnK(f32 ka, f32 kb, f32 kc) {
GXInitLightAttnK(&mObj, ka, kb, kc);
mFlag &= ~FLAG_SPECULAR;
mFlag |= FLAG_SPOT;
}
void LightObj::InitSpecularDir(f32 nx, f32 ny, f32 nz) {
GXInitLightDir(&mObj, nx, ny, nz);
mFlag &= ~FLAG_SPOT;
mFlag |= FLAG_SPECULAR;
mFlag |= FLAG_SPECULAR_DIR;
}
void LightObj::InitLightShininess(f32 shininess) {
GXInitLightAttn(&mObj, 0.0f, 0.0f, 1.0f, shininess / 2.0f, 0.0f, 1.0f - shininess / 2.0f);
mFlag &= ~FLAG_SPOT;
mFlag |= FLAG_SPECULAR;
}
void LightObj::GetLightPos(math::VEC3 *pPos) const {
if (!pPos) {
return;
}
GXGetLightPos(&mObj, &pPos->x, &pPos->y, &pPos->z);
}
void LightObj::GetLightDir(math::VEC3 *pDir) const {
if (!pDir) {
return;
}
GXGetLightDir(&mObj, &pDir->x, &pDir->y, &pDir->z);
}
void LightObj::ApplyViewMtx(const math::MTX34 &rCamera) {
math::VEC3 dir;
GetLightDir(&dir);
math::VEC3TransformNormal(&dir, &rCamera, &dir);
if (IsSpecularDir()) {
GXInitSpecularDir(&mObj, dir.x, dir.y, dir.z);
} else {
math::VEC3 pos;
GetLightPos(&pos);
math::VEC3Transform(&pos, &rCamera, &pos);
GXInitLightPos(&mObj, pos.x, pos.y, pos.z);
GXInitLightDir(&mObj, dir.x, dir.y, dir.z);
}
}
/******************************************************************************
*
* LightSetting
*
******************************************************************************/
LightSetting::LightSetting(
LightObj *pLightObjArray, AmbLightObj *pAmbLightObjArray, u32 numLight, LightSetData *pLightSetDataArray,
u32 numLightSet
)
: mNumLight(numLight),
mNumLightSet(numLightSet),
mpLightObjArray(pLightObjArray),
mpAmbLightObjArray(pAmbLightObjArray),
mpLightSetDataArray(pLightSetDataArray) {
for (u32 i = 0; i < mNumLightSet; i++) {
LightSetData &rData = mpLightSetDataArray[i];
rData.idxAmbLight = -1;
for (u32 j = 0; j < G3DState::NUM_LIGHT_IN_LIGHT_SET; j++) {
rData.idxLight[j] = -1;
}
}
mpLightSetDataArray[0].idxLight[0] = 0;
mpLightSetDataArray[0].idxLight[1] = 2;
mpLightSetDataArray[0].idxAmbLight = -1;
GXColor white = {255, 255, 255, 255};
AmbLightObj ambWhite = {255, 255, 255, 255};
LightObj lobj0, lobj1, lobj2, lobj3;
lobj0.Clear();
lobj1.Clear();
lobj2.Clear();
lobj3.Clear();
lobj0.InitLightColor(white);
lobj0.InitLightPos(4000000.0f, 4000000.0f, 4000000.0f);
lobj0.InitLightDir(0.0f, -1.0f, 0.0f);
lobj0.InitLightSpot(90.0f, GX_SP_OFF);
lobj0.InitLightDistAttn(10.0f, 0.5f, GX_DA_OFF);
lobj0.Enable();
lobj1.InitLightColor(white);
lobj1.InitLightPos(4000000.0f, 4000000.0f, 4000000.0f);
lobj1.Enable();
lobj2.InitLightColor(white);
lobj2.InitLightPos(4000000.0f, 4000000.0f, 4000000.0f);
lobj2.InitSpecularDir(0.0f, -1.0f, 0.0f);
lobj2.InitLightShininess(16.0f);
lobj2.Enable();
lobj3.Disable();
if (mNumLight > 0) {
mpLightObjArray[0] = lobj0;
mpAmbLightObjArray[0] = ambWhite;
}
if (mNumLight > 1) {
mpLightObjArray[1] = lobj1;
mpAmbLightObjArray[1] = ambWhite;
}
if (mNumLight > 2) {
mpLightObjArray[2] = lobj2;
mpAmbLightObjArray[2] = ambWhite;
}
for (u32 i = 3; i < mNumLight; i++) {
mpLightObjArray[i] = lobj3;
mpAmbLightObjArray[i] = ambWhite;
}
}
bool LightSetting::Import(const LightSetting &rSetting) {
if (mNumLight < rSetting.mNumLight || mNumLightSet < rSetting.mNumLightSet) {
return false;
}
for (u32 i = 0; i < rSetting.mNumLight; i++) {
if (rSetting.mpLightObjArray[i].IsEnable()) {
mpLightObjArray[i] = rSetting.mpLightObjArray[i];
} else {
mpLightObjArray[i].Disable();
}
mpAmbLightObjArray[i] = rSetting.mpAmbLightObjArray[i];
}
for (u32 i = 0; i < rSetting.mNumLightSet; i++) {
mpLightSetDataArray[i] = rSetting.mpLightSetDataArray[i];
}
return true;
}
void LightSetting::ApplyViewMtx(const math::MTX34 &rCamera, u32 numLight) {
numLight = std::max<u32>(numLight, mNumLight);
for (u32 i = 0; i < numLight; i++) {
if (mpLightObjArray[i].IsEnable()) {
mpLightObjArray[i].ApplyViewMtx(rCamera);
}
}
}
/******************************************************************************
*
* LightSet
*
******************************************************************************/
bool LightSet::SelectLightObj(u32 lightIdx, int lightObjIdx) {
if (IsValid() && lightIdx < G3DState::NUM_LIGHT_IN_LIGHT_SET) {
if (lightObjIdx < 0) {
mpLightSetData->idxLight[lightIdx] = -1;
return true;
}
if (lightObjIdx < static_cast<int>(mpSetting->GetNumLightObj())) {
mpLightSetData->idxLight[lightIdx] = lightObjIdx;
return true;
}
}
return false;
}
bool LightSet::SelectAmbLightObj(int lightObjIdx) {
if (IsValid()) {
if (lightObjIdx < 0) {
mpLightSetData->idxAmbLight = -1;
return true;
}
if (lightObjIdx < static_cast<int>(mpSetting->GetNumLightObj())) {
mpLightSetData->idxAmbLight = lightObjIdx;
return true;
}
}
return false;
}
} // namespace g3d
} // namespace nw4r
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