130 lines
4.1 KiB
C
130 lines
4.1 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __BKE_OCEAN_H__
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#define __BKE_OCEAN_H__
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/** \file
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* \ingroup bli
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct OceanModifierData;
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typedef struct OceanResult {
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float disp[3];
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float normal[3];
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float foam;
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/* raw eigenvalues/vectors */
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float Jminus;
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float Jplus;
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float Eminus[3];
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float Eplus[3];
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} OceanResult;
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typedef struct OceanCache {
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struct ImBuf **ibufs_disp;
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struct ImBuf **ibufs_foam;
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struct ImBuf **ibufs_norm;
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const char *bakepath;
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const char *relbase;
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/* precalculated for time range */
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float *time;
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/* constant for time range */
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float wave_scale;
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float chop_amount;
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float foam_coverage;
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float foam_fade;
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int start;
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int end;
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int duration;
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int resolution_x;
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int resolution_y;
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int baked;
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} OceanCache;
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struct Ocean *BKE_ocean_add(void);
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void BKE_ocean_free_data(struct Ocean *oc);
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void BKE_ocean_free(struct Ocean *oc);
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bool BKE_ocean_ensure(struct OceanModifierData *omd);
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void BKE_ocean_init_from_modifier(struct Ocean *ocean, struct OceanModifierData const *omd);
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void BKE_ocean_init(struct Ocean *o,
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int M,
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int N,
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float Lx,
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float Lz,
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float V,
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float l,
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float A,
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float w,
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float damp,
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float alignment,
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float depth,
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float time,
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short do_height_field,
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short do_chop,
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short do_normals,
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short do_jacobian,
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int seed);
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void BKE_ocean_simulate(struct Ocean *o, float t, float scale, float chop_amount);
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/* sampling the ocean surface */
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float BKE_ocean_jminus_to_foam(float jminus, float coverage);
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void BKE_ocean_eval_uv(struct Ocean *oc, struct OceanResult *ocr, float u, float v);
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void BKE_ocean_eval_uv_catrom(struct Ocean *oc, struct OceanResult *ocr, float u, float v);
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void BKE_ocean_eval_xz(struct Ocean *oc, struct OceanResult *ocr, float x, float z);
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void BKE_ocean_eval_xz_catrom(struct Ocean *oc, struct OceanResult *ocr, float x, float z);
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void BKE_ocean_eval_ij(struct Ocean *oc, struct OceanResult *ocr, int i, int j);
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/* ocean cache handling */
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struct OceanCache *BKE_ocean_init_cache(const char *bakepath,
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const char *relbase,
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int start,
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int end,
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float wave_scale,
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float chop_amount,
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float foam_coverage,
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float foam_fade,
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int resolution);
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void BKE_ocean_simulate_cache(struct OceanCache *och, int frame);
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void BKE_ocean_bake(struct Ocean *o,
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struct OceanCache *och,
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void (*update_cb)(void *, float progress, int *cancel),
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void *update_cb_data);
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void BKE_ocean_cache_eval_uv(
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struct OceanCache *och, struct OceanResult *ocr, int f, float u, float v);
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void BKE_ocean_cache_eval_ij(struct OceanCache *och, struct OceanResult *ocr, int f, int i, int j);
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void BKE_ocean_free_cache(struct OceanCache *och);
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void BKE_ocean_free_modifier_cache(struct OceanModifierData *omd);
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#ifdef __cplusplus
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}
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#endif
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#endif
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