Cleanup: Split transform.c in multiple files

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

1 files changed, 236 insertions, 0 deletions

diff --git a/source/blender/editors/transform/transform_mode_timeslide.c b/source/blender/editors/transform/transform_mode_timeslide.c
new file mode 100644
index 00000000000..fce526873f1
--- /dev/null
+++ b/source/blender/editors/transform/transform_mode_timeslide.c
@@ -0,0 +1,236 @@
+/*
+ * 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 "MEM_guardedalloc.h"
+
+#include "DNA_anim_types.h"
+
+#include "BLI_math.h"
+#include "BLI_string.h"
+
+#include "BKE_context.h"
+#include "BKE_nla.h"
+#include "BKE_unit.h"
+
+#include "ED_screen.h"
+
+#include "UI_interface.h"
+#include "UI_view2d.h"
+
+#include "BLT_translation.h"
+
+#include "transform.h"
+#include "transform_mode.h"
+
+/* -------------------------------------------------------------------- */
+/* Transform (Animation Time Slide) */
+
+/** \name Transform Animation Time Slide
+ * \{ */
+
+static void headerTimeSlide(TransInfo *t, const float sval, char str[UI_MAX_DRAW_STR])
+{
+  char tvec[NUM_STR_REP_LEN * 3];
+
+  if (hasNumInput(&t->num)) {
+    outputNumInput(&(t->num), tvec, &t->scene->unit);
+  }
+  else {
+    const float *range = t->custom.mode.data;
+    float minx = range[0];
+    float maxx = range[1];
+    float cval = t->values_final[0];
+    float val;
+
+    val = 2.0f * (cval - sval) / (maxx - minx);
+    CLAMP(val, -1.0f, 1.0f);
+
+    BLI_snprintf(&tvec[0], NUM_STR_REP_LEN, "%.4f", val);
+  }
+
+  BLI_snprintf(str, UI_MAX_DRAW_STR, TIP_("TimeSlide: %s"), &tvec[0]);
+}
+
+static void applyTimeSlideValue(TransInfo *t, float sval, float cval)
+{
+  int i;
+  const float *range = t->custom.mode.data;
+  float minx = range[0];
+  float maxx = range[1];
+
+  /* set value for drawing black line */
+  if (t->spacetype == SPACE_ACTION) {
+    SpaceAction *saction = (SpaceAction *)t->sa->spacedata.first;
+    saction->timeslide = cval;
+  }
+
+  /* It doesn't matter whether we apply to t->data or
+   * t->data2d, but t->data2d is more convenient. */
+  FOREACH_TRANS_DATA_CONTAINER (t, tc) {
+    TransData *td = tc->data;
+    for (i = 0; i < tc->data_len; i++, td++) {
+      /* it is assumed that td->extra is a pointer to the AnimData,
+       * whose active action is where this keyframe comes from
+       * (this is only valid when not in NLA)
+       */
+      AnimData *adt = (t->spacetype != SPACE_NLA) ? td->extra : NULL;
+
+      /* only apply to data if in range */
+      if ((sval > minx) && (sval < maxx)) {
+        float cvalc = CLAMPIS(cval, minx, maxx);
+        float ival = td->ival;
+        float timefac;
+
+        /* NLA mapping magic here works as follows:
+         * - "ival" goes from strip time to global time
+         * - calculation is performed into td->val in global time
+         *   (since sval and min/max are all in global time)
+         * - "td->val" then gets put back into strip time
+         */
+        if (adt) {
+          /* strip to global */
+          ival = BKE_nla_tweakedit_remap(adt, ival, NLATIME_CONVERT_MAP);
+        }
+
+        /* left half? */
+        if (ival < sval) {
+          timefac = (sval - ival) / (sval - minx);
+          *(td->val) = cvalc - timefac * (cvalc - minx);
+        }
+        else {
+          timefac = (ival - sval) / (maxx - sval);
+          *(td->val) = cvalc + timefac * (maxx - cvalc);
+        }
+
+        if (adt) {
+          /* global to strip */
+          *(td->val) = BKE_nla_tweakedit_remap(adt, *(td->val), NLATIME_CONVERT_UNMAP);
+        }
+      }
+    }
+  }
+}
+
+static void applyTimeSlide(TransInfo *t, const int mval[2])
+{
+  View2D *v2d = (View2D *)t->view;
+  float cval[2], sval[2];
+  const float *range = t->custom.mode.data;
+  float minx = range[0];
+  float maxx = range[1];
+  char str[UI_MAX_DRAW_STR];
+
+  /* calculate mouse co-ordinates */
+  UI_view2d_region_to_view(v2d, mval[0], mval[1], &cval[0], &cval[1]);
+  UI_view2d_region_to_view(v2d, t->mouse.imval[0], t->mouse.imval[1], &sval[0], &sval[1]);
+
+  /* t->values_final[0] stores cval[0], which is the current mouse-pointer location (in frames) */
+  // XXX Need to be able to repeat this
+  /* t->values_final[0] = cval[0]; */ /* UNUSED (reset again later). */
+
+  /* handle numeric-input stuff */
+  t->vec[0] = 2.0f * (cval[0] - sval[0]) / (maxx - minx);
+  applyNumInput(&t->num, &t->vec[0]);
+  t->values_final[0] = (maxx - minx) * t->vec[0] / 2.0f + sval[0];
+
+  headerTimeSlide(t, sval[0], str);
+  applyTimeSlideValue(t, sval[0], t->values_final[0]);
+
+  recalcData(t);
+
+  ED_area_status_text(t->sa, str);
+}
+
+void initTimeSlide(TransInfo *t)
+{
+  /* this tool is only really available in the Action Editor... */
+  if (t->spacetype == SPACE_ACTION) {
+    SpaceAction *saction = (SpaceAction *)t->sa->spacedata.first;
+
+    /* set flag for drawing stuff */
+    saction->flag |= SACTION_MOVING;
+  }
+  else {
+    t->state = TRANS_CANCEL;
+  }
+
+  t->mode = TFM_TIME_SLIDE;
+  t->transform = applyTimeSlide;
+
+  initMouseInputMode(t, &t->mouse, INPUT_NONE);
+
+  {
+    Scene *scene = t->scene;
+    float *range;
+    t->custom.mode.data = range = MEM_mallocN(sizeof(float[2]), "TimeSlide Min/Max");
+    t->custom.mode.use_free = true;
+
+    float min = 999999999.0f, max = -999999999.0f;
+    int i;
+    FOREACH_TRANS_DATA_CONTAINER (t, tc) {
+      TransData *td = tc->data;
+      for (i = 0; i < tc->data_len; i++, td++) {
+        AnimData *adt = (t->spacetype != SPACE_NLA) ? td->extra : NULL;
+        float val = *(td->val);
+
+        /* strip/action time to global (mapped) time */
+        if (adt) {
+          val = BKE_nla_tweakedit_remap(adt, val, NLATIME_CONVERT_MAP);
+        }
+
+        if (min > val) {
+          min = val;
+        }
+        if (max < val) {
+          max = val;
+        }
+      }
+    }
+
+    if (min == max) {
+      /* just use the current frame ranges */
+      min = (float)PSFRA;
+      max = (float)PEFRA;
+    }
+
+    range[0] = min;
+    range[1] = max;
+  }
+
+  /* num-input has max of (n-1) */
+  t->idx_max = 0;
+  t->num.flag = 0;
+  t->num.idx_max = t->idx_max;
+
+  /* initialize snap like for everything else */
+  t->snap[0] = 0.0f;
+  t->snap[1] = t->snap[2] = 1.0f;
+
+  copy_v3_fl(t->num.val_inc, t->snap[1]);
+  t->num.unit_sys = t->scene->unit.system;
+  /* No time unit supporting frames currently... */
+  t->num.unit_type[0] = B_UNIT_NONE;
+}
+/** \} */