simplified collada integration in Blender. made functions mostly similar with blender2.8

source/blender/collada/DocumentExporter.cpp

@@ -181,7 +181,7 @@ static COLLADABU::NativeString make_temp_filepath(const char *name, const char *
 // COLLADA allows this through multiple <channel>s in <animation>.
 // For this to work, we need to know objects that use a certain action.
 
-int DocumentExporter::exportCurrentScene(Scene *sce)
+int DocumentExporter::exportCurrentScene(EvaluationContext *eval_ctx, Scene *sce)
 {
 	PointerRNA sceneptr, unit_settings;
 	PropertyRNA *system; /* unused , *scale; */

source/blender/collada/DocumentExporter.h

@@ -39,7 +39,7 @@ class DocumentExporter
 {
  public:
 	DocumentExporter(const ExportSettings *export_settings);
-	int  exportCurrentScene(Scene *sce);
+	int  exportCurrentScene(EvaluationContext *eval_ctx, Scene *sce);
 	void exportScenes(const char *filename);
 private:
 	const ExportSettings *export_settings;

source/blender/collada/collada.cpp

@@ -67,7 +67,8 @@ int collada_import(bContext *C,
 	return 0;
 }
 
-int collada_export(Scene *sce,
+int collada_export(EvaluationContext *eval_ctx,
+                   Scene *sce,
                    const char *filepath,
 
                    int apply_modifiers,
@@ -143,7 +144,7 @@ int collada_export(Scene *sce,
 	}
 
 	DocumentExporter exporter(&export_settings);
-	int status = exporter.exportCurrentScene(sce);
+	int status = exporter.exportCurrentScene(eval_ctx, sce);
 
 	BLI_linklist_free(export_settings.export_set, NULL);
 

source/blender/collada/collada.h

@@ -32,6 +32,7 @@
 extern "C" {
 #endif
 
+#include "BKE_depsgraph.h"
 #include "BLI_linklist.h"
 #include "BLI_path_util.h"
 #include "RNA_types.h"
@@ -51,6 +52,7 @@ typedef enum BC_export_texture_type {
 	BC_TEXTURE_TYPE_UV
 } BC_export_texture_type;
 
+struct EvaluationContext;
 struct bContext;
 struct Scene;
 
@@ -67,7 +69,8 @@ int collada_import(struct bContext *C,
 
 				   int keep_bind_info);
 
-int collada_export(struct Scene *sce,
+int collada_export(struct EvaluationContext *eval_ctx,
+                   struct Scene *sce,
                    const char *filepath,
                    int apply_modifiers,
                    BC_export_mesh_type export_mesh_type,

source/blender/editors/io/io_collada.c

@@ -36,6 +36,7 @@
 #include "BLI_utildefines.h"
 
 #include "BKE_context.h"
+#include "BKE_depsgraph.h"
 #include "BKE_global.h"
 #include "BKE_main.h"
 #include "BKE_report.h"
@@ -164,8 +165,11 @@ static int wm_collada_export_exec(bContext *C, wmOperator *op)
 	/* get editmode results */
 	ED_object_editmode_load(CTX_data_edit_object(C));
 
+	EvaluationContext *eval_ctx = G.main->eval_ctx;
+	Scene *scene = CTX_data_scene(C);
 
-	export_count = collada_export(CTX_data_scene(C),
+	export_count = collada_export(eval_ctx,
+		scene,
 		filepath,
 		apply_modifiers,
 		export_mesh_type,