Replace 'ERR_EXPLAIN' with 'ERR_FAIL_*_MSG' in 'core/' and 'editor/'

Condensed some if and ERR statements. Added dots to end of error messages

Couldn't figure out EXPLAINC. These files gave me trouble: core/error_macros.h, core/io/file_access_buffered_fa.h (where is it?),
core/os/memory.cpp,
drivers/png/png_driver_common.cpp,
drivers/xaudio2/audio_driver_xaudio2.cpp (where is it?)

3 files changed, 4 insertions, 9 deletions

diff --git a/drivers/gles2/rasterizer_canvas_gles2.cpp b/drivers/gles2/rasterizer_canvas_gles2.cpp
index 4716b29e03..6be48a4c58 100644
--- a/drivers/gles2/rasterizer_canvas_gles2.cpp
+++ b/drivers/gles2/rasterizer_canvas_gles2.cpp
@@ -1265,14 +1265,11 @@ void RasterizerCanvasGLES2::_canvas_item_render_commands(Item *p_item, Item *cur
 void RasterizerCanvasGLES2::_copy_screen(const Rect2 &p_rect) {
 
 	if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_DIRECT_TO_SCREEN]) {
-		ERR_PRINT_ONCE("Cannot use screen texture copying in render target set to render direct to screen");
+		ERR_PRINT_ONCE("Cannot use screen texture copying in render target set to render direct to screen.");
 		return;
 	}
 
-	if (storage->frame.current_rt->copy_screen_effect.color == 0) {
-		ERR_EXPLAIN("Can't use screen texture copying in a render target configured without copy buffers");
-		ERR_FAIL();
-	}
+	ERR_FAIL_COND_MSG(storage->frame.current_rt->copy_screen_effect.color == 0, "Can't use screen texture copying in a render target configured without copy buffers.");
 
 	glDisable(GL_BLEND);
 
diff --git a/drivers/gles2/rasterizer_scene_gles2.cpp b/drivers/gles2/rasterizer_scene_gles2.cpp
index 453abeb853..cc414c26af 100644
--- a/drivers/gles2/rasterizer_scene_gles2.cpp
+++ b/drivers/gles2/rasterizer_scene_gles2.cpp
@@ -882,8 +882,7 @@ RID RasterizerSceneGLES2::light_instance_create(RID p_light) {
 
 	if (!light_instance->light_ptr) {
 		memdelete(light_instance);
-		ERR_EXPLAIN("Condition ' !light_instance->light_ptr ' is true.");
-		ERR_FAIL_V(RID());
+		ERR_FAIL_V_MSG(RID(), "Condition ' !light_instance->light_ptr ' is true.");
 	}
 
 	light_instance->self = light_instance_owner.make_rid(light_instance);
diff --git a/drivers/gles2/rasterizer_storage_gles2.cpp b/drivers/gles2/rasterizer_storage_gles2.cpp
index a30af87516..fd856e5fd7 100644
--- a/drivers/gles2/rasterizer_storage_gles2.cpp
+++ b/drivers/gles2/rasterizer_storage_gles2.cpp
@@ -2171,8 +2171,7 @@ void RasterizerStorageGLES2::mesh_add_surface(RID p_mesh, uint32_t p_format, VS:
 	//must have index and bones, both.
 	{
 		uint32_t bones_weight = VS::ARRAY_FORMAT_BONES | VS::ARRAY_FORMAT_WEIGHTS;
-		ERR_EXPLAIN("Array must have both bones and weights in format or none.");
-		ERR_FAIL_COND((p_format & bones_weight) && (p_format & bones_weight) != bones_weight);
+		ERR_FAIL_COND_MSG((p_format & bones_weight) && (p_format & bones_weight) != bones_weight, "Array must have both bones and weights in format or none.");
 	}
 
 	//bool has_morph = p_blend_shapes.size();