mirror of
https://github.com/zeldaret/ss
synced 2026-08-15 20:59:53 -04:00
Elijah Thomas
cec09ad023
* g3d Headers * initial g3d source files -- NOT YET FIXED * change ResFile static_cast to explicit ctor
314 lines
8.0 KiB
C++
314 lines
8.0 KiB
C++
#include <nw4r/g3d.h>
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namespace nw4r {
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namespace g3d {
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namespace detail {
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namespace dcc {
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namespace {
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void MakeTexSrtMtx_S(math::MTX34 *pMtx, const TexSrt &rSrt) {
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pMtx->_00 = rSrt.Su;
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pMtx->_01 = 0.0f;
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pMtx->_02 = 0.0f;
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pMtx->_03 = 0.5f * (1.0f - rSrt.Su);
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pMtx->_10 = 0.0f;
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pMtx->_11 = rSrt.Sv;
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pMtx->_12 = 0.0f;
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pMtx->_13 = 0.5f * (1.0f - rSrt.Sv);
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}
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void MakeTexSrtMtx_R(math::MTX34 *pMtx, const TexSrt &rSrt) {
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f32 sinR, cosR;
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math::SinCosDeg(&sinR, &cosR, rSrt.R);
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pMtx->_00 = cosR;
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pMtx->_01 = sinR;
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pMtx->_02 = 0.0f;
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pMtx->_03 = -0.5f * (cosR + sinR - 1.0f);
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pMtx->_10 = -sinR;
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pMtx->_11 = cosR;
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pMtx->_12 = 0.0f;
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pMtx->_13 = -0.5f * (-sinR + cosR - 1.0f);
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}
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void MakeTexSrtMtx_T(math::MTX34 *pMtx, const TexSrt &rSrt) {
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pMtx->_00 = 1.0f;
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pMtx->_01 = 0.0f;
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pMtx->_02 = 0.0f;
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pMtx->_03 = -rSrt.Tu;
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pMtx->_10 = 0.0f;
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pMtx->_11 = 1.0f;
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pMtx->_12 = 0.0f;
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pMtx->_13 = rSrt.Tv;
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}
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void MakeTexSrtMtx_SR(math::MTX34 *pMtx, const TexSrt &rSrt) {
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f32 sinR, cosR;
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math::SinCosDeg(&sinR, &cosR, rSrt.R);
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f32 sucr = rSrt.Su * cosR;
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f32 susr = rSrt.Su * sinR;
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f32 svcr = rSrt.Sv * cosR;
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f32 svsr = rSrt.Sv * sinR;
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pMtx->_00 = sucr;
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pMtx->_01 = susr;
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pMtx->_02 = 0.0f;
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pMtx->_03 = -0.5f * (sucr + susr - 1.0f);
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pMtx->_10 = -svsr;
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pMtx->_11 = svcr;
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pMtx->_12 = 0.0f;
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pMtx->_13 = -0.5f * (-svsr + svcr - 1.0f);
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}
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void MakeTexSrtMtx_RT(math::MTX34 *pMtx, const TexSrt &rSrt) {
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f32 sinR, cosR;
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math::SinCosDeg(&sinR, &cosR, rSrt.R);
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pMtx->_00 = cosR;
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pMtx->_01 = sinR;
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pMtx->_02 = 0.0f;
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pMtx->_03 = -cosR * (0.5f + rSrt.Tu) + sinR * (rSrt.Tv - 0.5f) + 0.5f;
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pMtx->_10 = -sinR;
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pMtx->_11 = cosR;
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pMtx->_12 = 0.0f;
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pMtx->_13 = sinR * (0.5f + rSrt.Tu) + cosR * (rSrt.Tv - 0.5f) + 0.5f;
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}
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void MakeTexSrtMtx_ST(math::MTX34 *pMtx, const TexSrt &rSrt) {
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pMtx->_00 = rSrt.Su;
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pMtx->_01 = 0.0f;
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pMtx->_02 = 0.0f;
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pMtx->_03 = -rSrt.Su * (0.5f + rSrt.Tu) + 0.5f;
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pMtx->_10 = 0.0f;
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pMtx->_11 = rSrt.Sv;
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pMtx->_12 = 0.0f;
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pMtx->_13 = rSrt.Sv * (rSrt.Tv - 0.5f) + 0.5f;
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}
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void MakeTexSrtMtx_SRT(math::MTX34 *pMtx, const TexSrt &rSrt) {
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f32 sinR, cosR;
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math::SinCosDeg(&sinR, &cosR, rSrt.R);
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f32 sucr = rSrt.Su * cosR;
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f32 susr = rSrt.Su * sinR;
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f32 svcr = rSrt.Sv * cosR;
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f32 svsr = rSrt.Sv * sinR;
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pMtx->_00 = sucr;
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pMtx->_01 = susr;
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pMtx->_02 = 0.0f;
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pMtx->_03 = -sucr * (0.5f + rSrt.Tu) + susr * (rSrt.Tv - 0.5f) + 0.5f;
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pMtx->_10 = -svsr;
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pMtx->_11 = svcr;
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pMtx->_12 = 0.0f;
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pMtx->_13 = svsr * (0.5f + rSrt.Tu) + svcr * (rSrt.Tv - 0.5f) + 0.5f;
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}
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void ProductTexSrtMtx_S(math::MTX34 *pMtx, const TexSrt &rSrt) {
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pMtx->_00 *= rSrt.Su;
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pMtx->_01 *= rSrt.Su;
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pMtx->_02 *= rSrt.Su;
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pMtx->_03 = rSrt.Su * (pMtx->_03 - 0.5f) + 0.5f;
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pMtx->_10 *= rSrt.Sv;
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pMtx->_11 *= rSrt.Sv;
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pMtx->_12 *= rSrt.Sv;
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pMtx->_13 = rSrt.Sv * (pMtx->_13 - 0.5f) + 0.5f;
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}
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void ProductTexSrtMtx_R(math::MTX34 *pMtx, const TexSrt &rSrt) {
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f32 sinR, cosR;
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f32 _0x, _1x;
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math::SinCosDeg(&sinR, &cosR, rSrt.R);
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_0x = cosR * pMtx->_00 + sinR * pMtx->_10;
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_1x = -sinR * pMtx->_00 + cosR * pMtx->_10;
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pMtx->_00 = _0x;
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pMtx->_10 = _1x;
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_0x = cosR * pMtx->_01 + sinR * pMtx->_11;
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_1x = -sinR * pMtx->_01 + cosR * pMtx->_11;
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pMtx->_01 = _0x;
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pMtx->_11 = _1x;
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_0x = cosR * pMtx->_02 + sinR * pMtx->_12;
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_1x = -sinR * pMtx->_02 + cosR * pMtx->_12;
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pMtx->_02 = _0x;
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pMtx->_12 = _1x;
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_0x = cosR * (pMtx->_03 - 0.5f) + sinR * (pMtx->_13 - 0.5f) + 0.5f;
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_1x = -sinR * (pMtx->_03 - 0.5f) + cosR * (pMtx->_13 - 0.5f) + 0.5f;
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pMtx->_03 = _0x;
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pMtx->_13 = _1x;
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}
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void ProductTexSrtMtx_T(math::MTX34 *pMtx, const TexSrt &rSrt) {
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pMtx->_03 -= rSrt.Tu;
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pMtx->_13 += rSrt.Tv;
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}
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void ProductTexSrtMtx_SR(math::MTX34 *pMtx, const TexSrt &rSrt) {
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f32 sinR, cosR;
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f32 _0x, _1x;
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math::SinCosDeg(&sinR, &cosR, rSrt.R);
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f32 sucr = rSrt.Su * cosR;
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f32 susr = rSrt.Su * sinR;
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f32 svcr = rSrt.Sv * cosR;
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f32 svsr = rSrt.Sv * sinR;
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_0x = sucr * pMtx->_00 + susr * pMtx->_10;
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_1x = -svsr * pMtx->_00 + svcr * pMtx->_10;
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pMtx->_00 = _0x;
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pMtx->_10 = _1x;
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_0x = sucr * pMtx->_01 + susr * pMtx->_11;
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_1x = -svsr * pMtx->_01 + svcr * pMtx->_11;
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pMtx->_01 = _0x;
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pMtx->_11 = _1x;
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_0x = sucr * pMtx->_02 + susr * pMtx->_12;
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_1x = -svsr * pMtx->_02 + svcr * pMtx->_12;
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pMtx->_02 = _0x;
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pMtx->_12 = _1x;
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_0x = sucr * (pMtx->_03 - 0.5f) + susr * (pMtx->_13 - 0.5f) + 0.5f;
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_1x = -svsr * (pMtx->_03 - 0.5f) + svcr * (pMtx->_13 - 0.5f) + 0.5f;
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pMtx->_03 = _0x;
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pMtx->_13 = _1x;
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}
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void ProductTexSrtMtx_RT(math::MTX34 *pMtx, const TexSrt &rSrt) {
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f32 sinR, cosR;
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f32 _0x, _1x;
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math::SinCosDeg(&sinR, &cosR, rSrt.R);
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_0x = cosR * pMtx->_00 + sinR * pMtx->_10;
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_1x = -sinR * pMtx->_00 + cosR * pMtx->_10;
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pMtx->_00 = _0x;
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pMtx->_10 = _1x;
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_0x = cosR * pMtx->_01 + sinR * pMtx->_11;
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_1x = -sinR * pMtx->_01 + cosR * pMtx->_11;
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pMtx->_01 = _0x;
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pMtx->_11 = _1x;
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_0x = cosR * pMtx->_02 + sinR * pMtx->_12;
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_1x = -sinR * pMtx->_02 + cosR * pMtx->_12;
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pMtx->_02 = _0x;
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pMtx->_12 = _1x;
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_0x = cosR * (pMtx->_03 - rSrt.Tu - 0.5f) + sinR * (pMtx->_13 + rSrt.Tv - 0.5f) + 0.5f;
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_1x = -sinR * (pMtx->_03 - rSrt.Tu - 0.5f) + cosR * (pMtx->_13 + rSrt.Tv - 0.5f) + 0.5f;
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pMtx->_03 = _0x;
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pMtx->_13 = _1x;
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}
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void ProductTexSrtMtx_ST(math::MTX34 *pMtx, const TexSrt &rSrt) {
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pMtx->_00 *= rSrt.Su;
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pMtx->_01 *= rSrt.Su;
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pMtx->_02 *= rSrt.Su;
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pMtx->_03 = rSrt.Su * (pMtx->_03 - rSrt.Tu - 0.5f) + 0.5f;
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pMtx->_10 *= rSrt.Sv;
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pMtx->_11 *= rSrt.Sv;
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pMtx->_12 *= rSrt.Sv;
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pMtx->_13 *= rSrt.Sv * (pMtx->_13 + rSrt.Tv - 0.5f) + 0.5f;
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}
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void ProductTexSrtMtx_SRT(math::MTX34 *pMtx, const TexSrt &rSrt) {
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f32 sinR, cosR;
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f32 _0x, _1x;
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math::SinCosDeg(&sinR, &cosR, rSrt.R);
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f32 sucr = rSrt.Su * cosR;
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f32 susr = rSrt.Su * sinR;
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f32 svcr = rSrt.Sv * cosR;
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f32 svsr = rSrt.Sv * sinR;
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_0x = sucr * pMtx->_00 + susr * pMtx->_10;
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_1x = -svsr * pMtx->_00 + svcr * pMtx->_10;
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pMtx->_00 = _0x;
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pMtx->_10 = _1x;
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_0x = sucr * pMtx->_01 + susr * pMtx->_11;
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_1x = -svsr * pMtx->_01 + svcr * pMtx->_11;
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pMtx->_01 = _0x;
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pMtx->_11 = _1x;
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_0x = sucr * pMtx->_02 + susr * pMtx->_12;
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_1x = -svsr * pMtx->_02 + svcr * pMtx->_12;
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pMtx->_02 = _0x;
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pMtx->_12 = _1x;
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_0x = sucr * (pMtx->_03 - rSrt.Tu - 0.5f) + susr * (pMtx->_13 + rSrt.Tv - 0.5f) + 0.5f;
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_1x = -svsr * (pMtx->_03 - rSrt.Tu - 0.5f) + svcr * (pMtx->_13 + rSrt.Tv - 0.5f) + 0.5f;
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pMtx->_03 = _0x;
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pMtx->_13 = _1x;
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}
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} // namespace
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typedef void (*CalcTexMtxFunc)(math::MTX34 *pMtx, const TexSrt &rSrt);
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bool CalcTexMtx_3dsmax(math::MTX34 *pMtx, bool set, const TexSrt &rSrt, TexSrt::Flag flag) {
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// Extract S/R/T flags
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u32 index = flag >> 1 & 0b111;
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// Scale-one, no rotate/trans
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if (index == 0b111) {
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return false;
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}
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if (set) {
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static const CalcTexMtxFunc funcTable[] = {
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MakeTexSrtMtx_SRT, // 0 0 0
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MakeTexSrtMtx_RT, // 0 0 1
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MakeTexSrtMtx_ST, // 0 1 0
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MakeTexSrtMtx_T, // 0 1 1
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MakeTexSrtMtx_SR, // 1 0 0
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MakeTexSrtMtx_R, // 1 0 1
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MakeTexSrtMtx_S // 1 1 0
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};
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funcTable[index](pMtx, rSrt);
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} else {
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static const CalcTexMtxFunc funcTable[] = {
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ProductTexSrtMtx_SRT, // 0 0 0
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ProductTexSrtMtx_RT, // 0 0 1
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ProductTexSrtMtx_ST, // 0 1 0
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ProductTexSrtMtx_T, // 0 1 1
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ProductTexSrtMtx_SR, // 1 0 0
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ProductTexSrtMtx_R, // 1 0 1
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ProductTexSrtMtx_S // 1 1 0
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};
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funcTable[index](pMtx, rSrt);
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}
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pMtx->_20 = 0.0f;
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pMtx->_21 = 0.0f;
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pMtx->_22 = 1.0f;
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pMtx->_23 = 0.0f;
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return true;
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}
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} // namespace dcc
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} // namespace detail
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} // namespace g3d
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} // namespace nw4r
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