Cleanup: Split transform.c in multiple files

Differential Revision: https://developer.blender.org/D5819

1 files changed, 170 insertions, 0 deletions

diff --git a/source/blender/editors/transform/transform_mode_trackball.c b/source/blender/editors/transform/transform_mode_trackball.c
new file mode 100644
index 00000000000..d3abf782eb8
--- /dev/null
+++ b/source/blender/editors/transform/transform_mode_trackball.c
@@ -0,0 +1,170 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup edtransform
+ */
+
+#include <stdlib.h>
+
+#include "BLI_math.h"
+#include "BLI_string.h"
+
+#include "BKE_context.h"
+#include "BKE_unit.h"
+
+#include "ED_screen.h"
+
+#include "UI_interface.h"
+
+#include "BLT_translation.h"
+
+#include "transform.h"
+#include "transform_snap.h"
+#include "transform_mode.h"
+
+/* -------------------------------------------------------------------- */
+/* Transform (Rotation - Trackball) */
+
+/** \name Transform Rotation - Trackball
+ * \{ */
+
+static void applyTrackballValue(TransInfo *t,
+                                const float axis1[3],
+                                const float axis2[3],
+                                const float angles[2])
+{
+  float mat[3][3];
+  float axis[3];
+  float angle;
+  int i;
+
+  mul_v3_v3fl(axis, axis1, angles[0]);
+  madd_v3_v3fl(axis, axis2, angles[1]);
+  angle = normalize_v3(axis);
+  axis_angle_normalized_to_mat3(mat, axis, angle);
+
+  FOREACH_TRANS_DATA_CONTAINER (t, tc) {
+    TransData *td = tc->data;
+    for (i = 0; i < tc->data_len; i++, td++) {
+      if (td->flag & TD_NOACTION) {
+        break;
+      }
+
+      if (td->flag & TD_SKIP) {
+        continue;
+      }
+
+      if (t->flag & T_PROP_EDIT) {
+        axis_angle_normalized_to_mat3(mat, axis, td->factor * angle);
+      }
+
+      ElementRotation(t, tc, td, mat, t->around);
+    }
+  }
+}
+
+static void applyTrackball(TransInfo *t, const int UNUSED(mval[2]))
+{
+  char str[UI_MAX_DRAW_STR];
+  size_t ofs = 0;
+  float axis1[3], axis2[3];
+#if 0 /* UNUSED */
+  float mat[3][3], totmat[3][3], smat[3][3];
+#endif
+  float phi[2];
+
+  copy_v3_v3(axis1, t->persinv[0]);
+  copy_v3_v3(axis2, t->persinv[1]);
+  normalize_v3(axis1);
+  normalize_v3(axis2);
+
+  copy_v2_v2(phi, t->values);
+
+  snapGridIncrement(t, phi);
+
+  applyNumInput(&t->num, phi);
+
+  copy_v2_v2(t->values_final, phi);
+
+  if (hasNumInput(&t->num)) {
+    char c[NUM_STR_REP_LEN * 2];
+
+    outputNumInput(&(t->num), c, &t->scene->unit);
+
+    ofs += BLI_snprintf(str + ofs,
+                        sizeof(str) - ofs,
+                        TIP_("Trackball: %s %s %s"),
+                        &c[0],
+                        &c[NUM_STR_REP_LEN],
+                        t->proptext);
+  }
+  else {
+    ofs += BLI_snprintf(str + ofs,
+                        sizeof(str) - ofs,
+                        TIP_("Trackball: %.2f %.2f %s"),
+                        RAD2DEGF(phi[0]),
+                        RAD2DEGF(phi[1]),
+                        t->proptext);
+  }
+
+  if (t->flag & T_PROP_EDIT_ALL) {
+    ofs += BLI_snprintf(
+        str + ofs, sizeof(str) - ofs, TIP_(" Proportional size: %.2f"), t->prop_size);
+  }
+
+#if 0 /* UNUSED */
+  axis_angle_normalized_to_mat3(smat, axis1, phi[0]);
+  axis_angle_normalized_to_mat3(totmat, axis2, phi[1]);
+
+  mul_m3_m3m3(mat, smat, totmat);
+
+  // TRANSFORM_FIX_ME
+  //copy_m3_m3(t->mat, mat);  // used in gizmo
+#endif
+
+  applyTrackballValue(t, axis1, axis2, phi);
+
+  recalcData(t);
+
+  ED_area_status_text(t->sa, str);
+}
+
+void initTrackball(TransInfo *t)
+{
+  t->mode = TFM_TRACKBALL;
+  t->transform = applyTrackball;
+
+  initMouseInputMode(t, &t->mouse, INPUT_TRACKBALL);
+
+  t->idx_max = 1;
+  t->num.idx_max = 1;
+  t->snap[0] = 0.0f;
+  t->snap[1] = DEG2RAD(5.0);
+  t->snap[2] = DEG2RAD(1.0);
+
+  copy_v3_fl(t->num.val_inc, t->snap[2]);
+  t->num.unit_sys = t->scene->unit.system;
+  t->num.unit_use_radians = (t->scene->unit.system_rotation == USER_UNIT_ROT_RADIANS);
+  t->num.unit_type[0] = B_UNIT_ROTATION;
+  t->num.unit_type[1] = B_UNIT_ROTATION;
+
+  t->flag |= T_NO_CONSTRAINT;
+}
+/** \} */