Differential D7196 Diff 23179 source/blender/editors/animation/anim_draw.c

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source/blender/editors/animation/anim_draw.c

Show First 20 Lines • Show All 435 Lines • ▼ Show 20 Lines	for (i = 0, bezt = fcu->bezt; i < fcu->totvert; i++, bezt++) {
32 :		32 :
min_ii((int)(5.0f * len_v2v2(bezt->vec[1], prev_bezt->vec[1])),		min_ii((int)(5.0f * len_v2v2(bezt->vec[1], prev_bezt->vec[1])),
32);		32);
if (resol < 2) {		if (resol < 2) {
max_coord = max_ff(max_coord, prev_bezt->vec[1][1]);		max_coord = max_ff(max_coord, prev_bezt->vec[1][1]);
min_coord = min_ff(min_coord, prev_bezt->vec[1][1]);		min_coord = min_ff(min_coord, prev_bezt->vec[1][1]);
}		}
else {		else {
		if (!ELEM(prev_bezt->ipo, BEZT_IPO_BACK, BEZT_IPO_ELASTIC)) {
		/* Calculate min/max using bezier forward differencing. */
		float data[120];
		float v1[2], v2[2], v3[2], v4[2];

		v1[0] = prev_bezt->vec[1][0];
		v1[1] = prev_bezt->vec[1][1];
		v2[0] = prev_bezt->vec[2][0];
		v2[1] = prev_bezt->vec[2][1];

		v3[0] = bezt->vec[0][0];
		v3[1] = bezt->vec[0][1];
		v4[0] = bezt->vec[1][0];
		v4[1] = bezt->vec[1][1];

		correct_bezpart(v1, v2, v3, v4);

		BKE_curve_forward_diff_bezier(
		v1[0], v2[0], v3[0], v4[0], data, resol, sizeof(float) * 3);
		BKE_curve_forward_diff_bezier(
		v1[1], v2[1], v3[1], v4[1], data + 1, resol, sizeof(float) * 3);

		for (int j = 0; j <= resol; ++j) {
		const float fp = &data[j 3];
		max_coord = max_ff(max_coord, fp[1]);
		min_coord = min_ff(min_coord, fp[1]);
		}
		}
		else {
		/* Calculate min/max using full fcurve evaluation.
		* [slower than bezier forward differencing but evaluates Back/Elastic interpolation
		* as well].*/
float step_size = (bezt->vec[1][0] - prev_bezt->vec[1][0]) / resol;		float step_size = (bezt->vec[1][0] - prev_bezt->vec[1][0]) / resol;
for (int j = 0; j <= resol; j++) {		for (int j = 0; j <= resol; j++) {
float eval_time = prev_bezt->vec[1][0] + step_size * j;		float eval_time = prev_bezt->vec[1][0] + step_size * j;
float eval_value = evaluate_fcurve_only_curve(fcu, eval_time);		float eval_value = evaluate_fcurve_only_curve(fcu, eval_time);
max_coord = max_ff(max_coord, eval_value);		max_coord = max_ff(max_coord, eval_value);
min_coord = min_ff(min_coord, eval_value);		min_coord = min_ff(min_coord, eval_value);
}		}
}		}
}		}
}		}
}		}
		}

if (max_coord > min_coord) {		if (max_coord > min_coord) {
range = max_coord - min_coord;		range = max_coord - min_coord;
if (range > FLT_EPSILON) {		if (range > FLT_EPSILON) {
factor = 2.0f / range;		factor = 2.0f / range;
}		}
offset = -min_coord - range / 2.0f;		offset = -min_coord - range / 2.0f;
}		}
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