From dfa027fe09b53485802cb0d6224ffc6bbc058b87 Mon Sep 17 00:00:00 2001
From: Jacques Lucke <jacques@blender.org>
Date: Fri, 6 Nov 2020 14:27:51 +0100
Subject: Refactor: move sequencer modifier .blend I/O to sequencer module

Ref T76372.
---
 source/blender/sequencer/CMakeLists.txt    |  7 ++++
 source/blender/sequencer/SEQ_sequencer.h   |  9 +++++
 source/blender/sequencer/intern/modifier.c | 64 ++++++++++++++++++++++++++++++
 3 files changed, 80 insertions(+)

(limited to 'source/blender/sequencer')

diff --git a/source/blender/sequencer/CMakeLists.txt b/source/blender/sequencer/CMakeLists.txt
index 3841a6e6414..bc3bda8d5b2 100644
--- a/source/blender/sequencer/CMakeLists.txt
+++ b/source/blender/sequencer/CMakeLists.txt
@@ -23,6 +23,7 @@ set(INC
   intern
   ../blenkernel
   ../blenlib
+  ../blenloader
   ../blentranslation
   ../depsgraph
   ../imbuf
@@ -33,6 +34,9 @@ set(INC
   ../windowmanager
   ../../../intern/atomic
   ../../../intern/guardedalloc
+
+  # dna_type_offsets.h
+  ${CMAKE_CURRENT_BINARY_DIR}/../makesdna/intern
 )
 
 set(INC_SYS
@@ -72,3 +76,6 @@ if(WITH_AUDASPACE)
 endif()
 
 blender_add_lib(bf_sequencer "${SRC}" "${INC}" "${INC_SYS}" "${LIB}")
+
+# Needed so we can use dna_type_offsets.h.
+add_dependencies(bf_blenkernel bf_dna)
diff --git a/source/blender/sequencer/SEQ_sequencer.h b/source/blender/sequencer/SEQ_sequencer.h
index d969b43bd50..edd88ba9195 100644
--- a/source/blender/sequencer/SEQ_sequencer.h
+++ b/source/blender/sequencer/SEQ_sequencer.h
@@ -44,6 +44,9 @@ struct StripElem;
 struct TextVars;
 struct bContext;
 struct bSound;
+struct BlendWriter;
+struct BlendDataReader;
+struct BlendLibReader;
 
 /* Wipe effect */
 enum {
@@ -461,6 +464,12 @@ struct ImBuf *BKE_sequence_modifier_apply_stack(const SeqRenderData *context,
 void BKE_sequence_modifier_list_copy(struct Sequence *seqn, struct Sequence *seq);
 int BKE_sequence_supports_modifiers(struct Sequence *seq);
 
+void BKE_sequence_modifier_blend_write(struct BlendWriter *writer, struct ListBase *modbase);
+void BKE_sequence_modifier_blend_read_data(struct BlendDataReader *reader, struct ListBase *lb);
+void BKE_sequence_modifier_blend_read_lib(struct BlendLibReader *reader,
+                                          struct Scene *scene,
+                                          struct ListBase *lb);
+
 /* **********************************************************************
  * seqeffects.c
  *
diff --git a/source/blender/sequencer/intern/modifier.c b/source/blender/sequencer/intern/modifier.c
index cb15028cc23..a7d4ce2801a 100644
--- a/source/blender/sequencer/intern/modifier.c
+++ b/source/blender/sequencer/intern/modifier.c
@@ -46,6 +46,8 @@
 
 #include "SEQ_sequencer.h"
 
+#include "BLO_read_write.h"
+
 #include "render.h"
 #include "sequencer.h"
 
@@ -1486,3 +1488,65 @@ int BKE_sequence_supports_modifiers(Sequence *seq)
 }
 
 /** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name .blend File I/O
+ * \{ */
+
+void BKE_sequence_modifier_blend_write(BlendWriter *writer, ListBase *modbase)
+{
+  LISTBASE_FOREACH (SequenceModifierData *, smd, modbase) {
+    const SequenceModifierTypeInfo *smti = BKE_sequence_modifier_type_info_get(smd->type);
+
+    if (smti) {
+      BLO_write_struct_by_name(writer, smti->struct_name, smd);
+
+      if (smd->type == seqModifierType_Curves) {
+        CurvesModifierData *cmd = (CurvesModifierData *)smd;
+
+        BKE_curvemapping_blend_write(writer, &cmd->curve_mapping);
+      }
+      else if (smd->type == seqModifierType_HueCorrect) {
+        HueCorrectModifierData *hcmd = (HueCorrectModifierData *)smd;
+
+        BKE_curvemapping_blend_write(writer, &hcmd->curve_mapping);
+      }
+    }
+    else {
+      BLO_write_struct(writer, SequenceModifierData, smd);
+    }
+  }
+}
+
+void BKE_sequence_modifier_blend_read_data(BlendDataReader *reader, ListBase *lb)
+{
+  BLO_read_list(reader, lb);
+
+  LISTBASE_FOREACH (SequenceModifierData *, smd, lb) {
+    if (smd->mask_sequence) {
+      BLO_read_data_address(reader, &smd->mask_sequence);
+    }
+
+    if (smd->type == seqModifierType_Curves) {
+      CurvesModifierData *cmd = (CurvesModifierData *)smd;
+
+      BKE_curvemapping_blend_read(reader, &cmd->curve_mapping);
+    }
+    else if (smd->type == seqModifierType_HueCorrect) {
+      HueCorrectModifierData *hcmd = (HueCorrectModifierData *)smd;
+
+      BKE_curvemapping_blend_read(reader, &hcmd->curve_mapping);
+    }
+  }
+}
+
+void BKE_sequence_modifier_blend_read_lib(BlendLibReader *reader, Scene *scene, ListBase *lb)
+{
+  LISTBASE_FOREACH (SequenceModifierData *, smd, lb) {
+    if (smd->mask_id) {
+      BLO_read_id_address(reader, scene->id.lib, &smd->mask_id);
+    }
+  }
+}
+
+/** \} */
-- 
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