diff options
Diffstat (limited to 'source/blender/blenkernel/intern/ocean.c')
| -rw-r--r-- | source/blender/blenkernel/intern/ocean.c | 159 |
1 files changed, 58 insertions, 101 deletions
diff --git a/source/blender/blenkernel/intern/ocean.c b/source/blender/blenkernel/intern/ocean.c index c27fb59835f..26485d10fbd 100644 --- a/source/blender/blenkernel/intern/ocean.c +++ b/source/blender/blenkernel/intern/ocean.c @@ -38,11 +38,11 @@ #include "BLI_path_util.h" #include "BLI_rand.h" #include "BLI_task.h" -#include "BLI_threads.h" #include "BLI_utildefines.h" #include "BKE_image.h" #include "BKE_ocean.h" +#include "ocean_intern.h" #include "IMB_imbuf.h" #include "IMB_imbuf_types.h" @@ -54,95 +54,6 @@ #ifdef WITH_OCEANSIM /* Ocean code */ -# include "fftw3.h" - -# define GRAVITY 9.81f - -typedef struct Ocean { - /* ********* input parameters to the sim ********* */ - float _V; - float _l; - float _w; - float _A; - float _damp_reflections; - float _wind_alignment; - float _depth; - - float _wx; - float _wz; - - float _L; - - /* dimensions of computational grid */ - int _M; - int _N; - - /* spatial size of computational grid */ - float _Lx; - float _Lz; - - float normalize_factor; /* init w */ - float time; - - short _do_disp_y; - short _do_normals; - short _do_chop; - short _do_jacobian; - - /* mutex for threaded texture access */ - ThreadRWMutex oceanmutex; - - /* ********* sim data arrays ********* */ - - /* two dimensional arrays of complex */ - fftw_complex *_fft_in; /* init w sim w */ - fftw_complex *_fft_in_x; /* init w sim w */ - fftw_complex *_fft_in_z; /* init w sim w */ - fftw_complex *_fft_in_jxx; /* init w sim w */ - fftw_complex *_fft_in_jzz; /* init w sim w */ - fftw_complex *_fft_in_jxz; /* init w sim w */ - fftw_complex *_fft_in_nx; /* init w sim w */ - fftw_complex *_fft_in_nz; /* init w sim w */ - fftw_complex *_htilda; /* init w sim w (only once) */ - - /* fftw "plans" */ - fftw_plan _disp_y_plan; /* init w sim r */ - fftw_plan _disp_x_plan; /* init w sim r */ - fftw_plan _disp_z_plan; /* init w sim r */ - fftw_plan _N_x_plan; /* init w sim r */ - fftw_plan _N_z_plan; /* init w sim r */ - fftw_plan _Jxx_plan; /* init w sim r */ - fftw_plan _Jxz_plan; /* init w sim r */ - fftw_plan _Jzz_plan; /* init w sim r */ - - /* two dimensional arrays of float */ - double *_disp_y; /* init w sim w via plan? */ - double *_N_x; /* init w sim w via plan? */ - /* all member of this array has same values, - * so convert this array to a float to reduce memory usage (MEM01). */ - /*float * _N_y; */ - double _N_y; /* sim w ********* can be rearranged? */ - double *_N_z; /* init w sim w via plan? */ - double *_disp_x; /* init w sim w via plan? */ - double *_disp_z; /* init w sim w via plan? */ - - /* two dimensional arrays of float */ - /* Jacobian and minimum eigenvalue */ - double *_Jxx; /* init w sim w */ - double *_Jzz; /* init w sim w */ - double *_Jxz; /* init w sim w */ - - /* one dimensional float array */ - float *_kx; /* init w sim r */ - float *_kz; /* init w sim r */ - - /* two dimensional complex array */ - fftw_complex *_h0; /* init w sim r */ - fftw_complex *_h0_minus; /* init w sim r */ - - /* two dimensional float array */ - float *_k; /* init w sim r */ -} Ocean; static float nextfr(RNG *rng, float min, float max) { @@ -285,7 +196,7 @@ float BKE_ocean_jminus_to_foam(float jminus, float coverage) { float foam = jminus * -0.005f + coverage; CLAMP(foam, 0.0f, 1.0f); - return foam * foam; + return foam; } void BKE_ocean_eval_uv(struct Ocean *oc, struct OceanResult *ocr, float u, float v) @@ -893,6 +804,9 @@ void BKE_ocean_init_from_modifier(struct Ocean *ocean, struct OceanModifierData omd->wave_alignment, omd->depth, omd->time, + omd->spectrum, + omd->fetch_jonswap, + omd->sharpen_peak_jonswap, do_heightfield, do_chop, do_normals, @@ -913,6 +827,9 @@ void BKE_ocean_init(struct Ocean *o, float alignment, float depth, float time, + int spectrum, + float fetch_jonswap, + float sharpen_peak_jonswap, short do_height_field, short do_chop, short do_normals, @@ -940,6 +857,13 @@ void BKE_ocean_init(struct Ocean *o, o->_L = V * V / GRAVITY; /* largest wave for a given velocity V */ o->time = time; + /* Spectrum to use. */ + o->_spectrum = spectrum; + + /* Common JONSWAP parameters. */ + o->_fetch_jonswap = fetch_jonswap; + o->_sharpen_peak_jonswap = sharpen_peak_jonswap; + o->_do_disp_y = do_height_field; o->_do_normals = do_normals; o->_do_chop = do_chop; @@ -1001,10 +925,46 @@ void BKE_ocean_init(struct Ocean *o, fftw_complex r1r2; init_complex(r1r2, r1, r2); - mul_complex_f( - o->_h0[i * o->_N + j], r1r2, (float)(sqrt(Ph(o, o->_kx[i], o->_kz[j]) / 2.0f))); - mul_complex_f( - o->_h0_minus[i * o->_N + j], r1r2, (float)(sqrt(Ph(o, -o->_kx[i], -o->_kz[j]) / 2.0f))); + switch (o->_spectrum) { + case MOD_OCEAN_SPECTRUM_JONSWAP: + mul_complex_f(o->_h0[i * o->_N + j], + r1r2, + (float)(sqrt(BLI_ocean_spectrum_jonswap(o, o->_kx[i], o->_kz[j]) / 2.0f))); + mul_complex_f( + o->_h0_minus[i * o->_N + j], + r1r2, + (float)(sqrt(BLI_ocean_spectrum_jonswap(o, -o->_kx[i], -o->_kz[j]) / 2.0f))); + break; + case MOD_OCEAN_SPECTRUM_TEXEL_MARSEN_ARSLOE: + mul_complex_f( + o->_h0[i * o->_N + j], + r1r2, + (float)(sqrt(BLI_ocean_spectrum_texelmarsenarsloe(o, o->_kx[i], o->_kz[j]) / 2.0f))); + mul_complex_f( + o->_h0_minus[i * o->_N + j], + r1r2, + (float)(sqrt(BLI_ocean_spectrum_texelmarsenarsloe(o, -o->_kx[i], -o->_kz[j]) / + 2.0f))); + break; + case MOD_OCEAN_SPECTRUM_PIERSON_MOSKOWITZ: + mul_complex_f( + o->_h0[i * o->_N + j], + r1r2, + (float)(sqrt(BLI_ocean_spectrum_piersonmoskowitz(o, o->_kx[i], o->_kz[j]) / 2.0f))); + mul_complex_f( + o->_h0_minus[i * o->_N + j], + r1r2, + (float)(sqrt(BLI_ocean_spectrum_piersonmoskowitz(o, -o->_kx[i], -o->_kz[j]) / + 2.0f))); + break; + default: + mul_complex_f( + o->_h0[i * o->_N + j], r1r2, (float)(sqrt(Ph(o, o->_kx[i], o->_kz[j]) / 2.0f))); + mul_complex_f(o->_h0_minus[i * o->_N + j], + r1r2, + (float)(sqrt(Ph(o, -o->_kx[i], -o->_kz[j]) / 2.0f))); + break; + } } } @@ -1517,12 +1477,6 @@ void BKE_ocean_bake(struct Ocean *o, #else /* WITH_OCEANSIM */ -/* stub */ -typedef struct Ocean { - /* need some data here, C does not allow empty struct */ - int stub; -} Ocean; - float BKE_ocean_jminus_to_foam(float UNUSED(jminus), float UNUSED(coverage)) { return 0.0f; @@ -1591,6 +1545,9 @@ void BKE_ocean_init(struct Ocean *UNUSED(o), float UNUSED(alignment), float UNUSED(depth), float UNUSED(time), + int UNUSED(spectrum), + float UNUSED(fetch_jonswap), + float UNUSED(sharpen_peak_jonswap), short UNUSED(do_height_field), short UNUSED(do_chop), short UNUSED(do_normals), |