From 5ca74604217758d91e344b052fe87c9eda8940a9 Mon Sep 17 00:00:00 2001
From: Michael Alexsander Silva Dias <michaelalexsander@protonmail.com>
Date: Thu, 8 Aug 2019 17:08:27 -0300
Subject: Replace 'ERR_EXPLAIN' with 'ERR_FAIL_*_MSG' in "main" and "servers"
 directories

---
 main/main.cpp                               | 47 +++++++++--------------------
 main/tests/test_gdscript.cpp                | 14 ++-------
 main/tests/test_math.cpp                    |  6 +---
 servers/audio/voice_rb_sw.h                 |  3 +-
 servers/physics/collision_object_sw.h       |  6 +---
 servers/physics/physics_server_sw.cpp       | 26 ++++------------
 servers/physics_2d/physics_2d_server_sw.cpp | 28 ++++-------------
 servers/visual/visual_server_canvas.cpp     | 10 ++----
 servers/visual_server.cpp                   | 11 ++-----
 9 files changed, 37 insertions(+), 114 deletions(-)

diff --git a/main/main.cpp b/main/main.cpp
index 39cd2548fb..027273c4f4 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -816,10 +816,7 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 
 			String bp = breakpoints[i];
 			int sp = bp.find_last(":");
-			if (sp == -1) {
-				ERR_EXPLAIN("Invalid breakpoint: '" + bp + "', expected file:line format.");
-				ERR_CONTINUE(true);
-			}
+			ERR_CONTINUE_MSG(sp == -1, "Invalid breakpoint: '" + bp + "', expected file:line format.");
 
 			script_debugger->insert_breakpoint(bp.substr(sp + 1, bp.length()).to_int(), bp.substr(0, sp));
 		}
@@ -1375,10 +1372,7 @@ bool Main::start() {
 
 		{
 			DirAccessRef da = DirAccess::open(doc_tool);
-			if (!da) {
-				ERR_EXPLAIN("Argument supplied to --doctool must be a base Godot build directory");
-				ERR_FAIL_V(false);
-			}
+			ERR_FAIL_COND_V_MSG(!da, false, "Argument supplied to --doctool must be a base Godot build directory.");
 		}
 		DocData doc;
 		doc.generate(doc_base);
@@ -1462,8 +1456,7 @@ bool Main::start() {
 	} else if (script != "") {
 
 		Ref<Script> script_res = ResourceLoader::load(script);
-		ERR_EXPLAIN("Can't load script: " + script);
-		ERR_FAIL_COND_V(script_res.is_null(), false);
+		ERR_FAIL_COND_V_MSG(script_res.is_null(), false, "Can't load script: " + script);
 
 		if (check_only) {
 			return false;
@@ -1477,8 +1470,7 @@ bool Main::start() {
 			if (!script_loop) {
 				if (obj)
 					memdelete(obj);
-				ERR_EXPLAIN("Can't load script '" + script + "', it does not inherit from a MainLoop type");
-				ERR_FAIL_V(false);
+				ERR_FAIL_V_MSG(false, "Can't load script '" + script + "', it does not inherit from a MainLoop type.");
 			}
 
 			script_loop->set_init_script(script_res);
@@ -1502,17 +1494,13 @@ bool Main::start() {
 		} else {
 
 			Object *ml = ClassDB::instance(main_loop_type);
-			if (!ml) {
-				ERR_EXPLAIN("Can't instance MainLoop type");
-				ERR_FAIL_V(false);
-			}
+			ERR_FAIL_COND_V_MSG(!ml, false, "Can't instance MainLoop type.");
 
 			main_loop = Object::cast_to<MainLoop>(ml);
 			if (!main_loop) {
 
 				memdelete(ml);
-				ERR_EXPLAIN("Invalid MainLoop type");
-				ERR_FAIL_V(false);
+				ERR_FAIL_V_MSG(false, "Invalid MainLoop type.");
 			}
 		}
 	}
@@ -1575,8 +1563,7 @@ bool Main::start() {
 					}
 
 					RES res = ResourceLoader::load(path);
-					ERR_EXPLAIN("Can't autoload: " + path);
-					ERR_CONTINUE(res.is_null());
+					ERR_CONTINUE_MSG(res.is_null(), "Can't autoload: " + path);
 					Node *n = NULL;
 					if (res->is_class("PackedScene")) {
 						Ref<PackedScene> ps = res;
@@ -1585,20 +1572,17 @@ bool Main::start() {
 						Ref<Script> script_res = res;
 						StringName ibt = script_res->get_instance_base_type();
 						bool valid_type = ClassDB::is_parent_class(ibt, "Node");
-						ERR_EXPLAIN("Script does not inherit a Node: " + path);
-						ERR_CONTINUE(!valid_type);
+						ERR_CONTINUE_MSG(!valid_type, "Script does not inherit a Node: " + path);
 
 						Object *obj = ClassDB::instance(ibt);
 
-						ERR_EXPLAIN("Cannot instance script for autoload, expected 'Node' inheritance, got: " + String(ibt));
-						ERR_CONTINUE(obj == NULL);
+						ERR_CONTINUE_MSG(obj == NULL, "Cannot instance script for autoload, expected 'Node' inheritance, got: " + String(ibt));
 
 						n = Object::cast_to<Node>(obj);
 						n->set_script(script_res.get_ref_ptr());
 					}
 
-					ERR_EXPLAIN("Path in autoload not a node or script: " + path);
-					ERR_CONTINUE(!n);
+					ERR_CONTINUE_MSG(!n, "Path in autoload not a node or script: " + path);
 					n->set_name(name);
 
 					//defer so references are all valid on _ready()
@@ -1756,7 +1740,7 @@ bool Main::start() {
 
 		if (!project_manager && !editor) { // game
 
-			// Load SSL Certificates from Project Settings (or builtin)
+			// Load SSL Certificates from Project Settings (or builtin).
 			StreamPeerSSL::load_certs_from_memory(StreamPeerSSL::get_project_cert_array());
 
 			if (game_path != "") {
@@ -1765,8 +1749,7 @@ bool Main::start() {
 				if (scenedata.is_valid())
 					scene = scenedata->instance();
 
-				ERR_EXPLAIN("Failed loading scene: " + local_game_path);
-				ERR_FAIL_COND_V(!scene, false);
+				ERR_FAIL_COND_V_MSG(!scene, false, "Failed loading scene: " + local_game_path);
 				sml->add_current_scene(scene);
 
 #ifdef OSX_ENABLED
@@ -1810,14 +1793,14 @@ bool Main::start() {
 		}
 
 		if (project_manager || editor) {
-			// Load SSL Certificates from Editor Settings (or builtin)
+			// Load SSL Certificates from Editor Settings (or builtin).
 			String certs = EditorSettings::get_singleton()->get_setting("network/ssl/editor_ssl_certificates").operator String();
 			if (certs != "")
 				StreamPeerSSL::load_certs_from_file(certs);
 			else
 				StreamPeerSSL::load_certs_from_memory(StreamPeerSSL::get_project_cert_array());
 
-			// Hide console window if requested (Windows-only)
+			// Hide console window if requested (Windows-only).
 			bool hide_console = EditorSettings::get_singleton()->get_setting("interface/editor/hide_console_window");
 			OS::get_singleton()->set_console_visible(!hide_console);
 		}
@@ -1854,7 +1837,7 @@ bool Main::is_iterating() {
 	return iterating > 0;
 }
 
-// For performance metrics
+// For performance metrics.
 static uint64_t physics_process_max = 0;
 static uint64_t idle_process_max = 0;
 
diff --git a/main/tests/test_gdscript.cpp b/main/tests/test_gdscript.cpp
index e82af93293..b2b2c22bf9 100644
--- a/main/tests/test_gdscript.cpp
+++ b/main/tests/test_gdscript.cpp
@@ -300,14 +300,11 @@ static String _parser_expr(const GDScriptParser::Node *p_expr) {
 		} break;
 		default: {
 
-			String error = "Parser bug at " + itos(p_expr->line) + ", invalid expression type: " + itos(p_expr->type);
-			ERR_EXPLAIN(error);
-			ERR_FAIL_V("");
+			ERR_FAIL_V_MSG("", "Parser bug at " + itos(p_expr->line) + ", invalid expression type: " + itos(p_expr->type));
 		}
 	}
 
 	return txt;
-	//return "("+txt+")";
 }
 
 static void _parser_show_block(const GDScriptParser::BlockNode *p_block, int p_indent) {
@@ -910,8 +907,7 @@ static void _disassemble_class(const Ref<GDScript> &p_class, const Vector<String
 
 			if (incr == 0) {
 
-				ERR_EXPLAIN("unhandled opcode: " + itos(code[ip]));
-				ERR_BREAK(true);
+				ERR_BREAK_MSG(true, "Unhandled opcode: " + itos(code[ip]));
 			}
 
 			ip += incr;
@@ -936,11 +932,7 @@ MainLoop *test(TestType p_type) {
 	}
 
 	FileAccess *fa = FileAccess::open(test, FileAccess::READ);
-
-	if (!fa) {
-		ERR_EXPLAIN("Could not open file: " + test);
-		ERR_FAIL_V(NULL);
-	}
+	ERR_FAIL_COND_V_MSG(!fa, NULL, "Could not open file: " + test);
 
 	Vector<uint8_t> buf;
 	int flen = fa->get_len();
diff --git a/main/tests/test_math.cpp b/main/tests/test_math.cpp
index f341159079..68ecb2b1b2 100644
--- a/main/tests/test_math.cpp
+++ b/main/tests/test_math.cpp
@@ -494,11 +494,7 @@ MainLoop *test() {
 	}
 
 	FileAccess *fa = FileAccess::open(test, FileAccess::READ);
-
-	if (!fa) {
-		ERR_EXPLAIN("Could not open file: " + test);
-		ERR_FAIL_V(NULL);
-	}
+	ERR_FAIL_COND_V_MSG(!fa, NULL, "Could not open file: " + test);
 
 	Vector<uint8_t> buf;
 	int flen = fa->get_len();
diff --git a/servers/audio/voice_rb_sw.h b/servers/audio/voice_rb_sw.h
index 0a39c536ae..1f0c88ed30 100644
--- a/servers/audio/voice_rb_sw.h
+++ b/servers/audio/voice_rb_sw.h
@@ -125,8 +125,7 @@ public:
 		if (full) {
 #ifdef DEBUG_ENABLED
 			if (OS::get_singleton()->is_stdout_verbose()) {
-				ERR_EXPLAIN("Audio Ring Buffer Full (too many commands");
-				ERR_FAIL_COND(((write_pos + 1) % VOICE_RB_SIZE) == read_pos);
+				ERR_FAIL_COND_MSG(((write_pos + 1) % VOICE_RB_SIZE) == read_pos, "Audio ring buffer full (too many commands).");
 			}
 #endif
 			return;
diff --git a/servers/physics/collision_object_sw.h b/servers/physics/collision_object_sw.h
index 895eda8528..b9912f0ba2 100644
--- a/servers/physics/collision_object_sw.h
+++ b/servers/physics/collision_object_sw.h
@@ -86,13 +86,9 @@ protected:
 	void _unregister_shapes();
 
 	_FORCE_INLINE_ void _set_transform(const Transform &p_transform, bool p_update_shapes = true) {
-
 #ifdef DEBUG_ENABLED
 
-		if (p_transform.origin.length_squared() > MAX_OBJECT_DISTANCE_X2) {
-			ERR_EXPLAIN("Object went too far away (more than " + itos(MAX_OBJECT_DISTANCE) + "mts from origin).");
-			ERR_FAIL();
-		}
+		ERR_FAIL_COND_MSG(p_transform.origin.length_squared() > MAX_OBJECT_DISTANCE_X2, "Object went too far away (more than " + itos(MAX_OBJECT_DISTANCE) + " units from origin).");
 #endif
 
 		transform = p_transform;
diff --git a/servers/physics/physics_server_sw.cpp b/servers/physics/physics_server_sw.cpp
index 7b982e7015..09872977b6 100644
--- a/servers/physics/physics_server_sw.cpp
+++ b/servers/physics/physics_server_sw.cpp
@@ -40,11 +40,8 @@
 #include "joints/pin_joint_sw.h"
 #include "joints/slider_joint_sw.h"
 
-#define FLUSH_QUERY_CHECK(m_object)                                                                                                              \
-	if (m_object->get_space() && flushing_queries) {                                                                                             \
-		ERR_EXPLAIN("Can't change this state while flushing queries. Use call_deferred() or set_deferred() to change monitoring state instead"); \
-		ERR_FAIL();                                                                                                                              \
-	}
+#define FLUSH_QUERY_CHECK(m_object) \
+	ERR_FAIL_COND_MSG(m_object->get_space() && flushing_queries, "Can't change this state while flushing queries. Use call_deferred() or set_deferred() to change monitoring state instead.");
 
 RID PhysicsServerSW::shape_create(ShapeType p_shape) {
 
@@ -73,8 +70,7 @@ RID PhysicsServerSW::shape_create(ShapeType p_shape) {
 		} break;
 		case SHAPE_CYLINDER: {
 
-			ERR_EXPLAIN("CylinderShape is not supported in GodotPhysics. Please switch to Bullet in the Project Settings.");
-			ERR_FAIL_V(RID());
+			ERR_FAIL_V_MSG(RID(), "CylinderShape is not supported in GodotPhysics. Please switch to Bullet in the Project Settings.");
 		} break;
 		case SHAPE_CONVEX_POLYGON: {
 
@@ -200,11 +196,7 @@ PhysicsDirectSpaceState *PhysicsServerSW::space_get_direct_state(RID p_space) {
 
 	SpaceSW *space = space_owner.get(p_space);
 	ERR_FAIL_COND_V(!space, NULL);
-	if (!doing_sync || space->is_locked()) {
-
-		ERR_EXPLAIN("Space state is inaccessible right now, wait for iteration or physics process notification.");
-		ERR_FAIL_V(NULL);
-	}
+	ERR_FAIL_COND_V_MSG(!doing_sync || space->is_locked(), NULL, "Space state is inaccessible right now, wait for iteration or physics process notification.");
 
 	return space->get_direct_state();
 }
@@ -987,12 +979,7 @@ PhysicsDirectBodyState *PhysicsServerSW::body_get_direct_state(RID p_body) {
 
 	BodySW *body = body_owner.get(p_body);
 	ERR_FAIL_COND_V(!body, NULL);
-
-	if (!doing_sync || body->get_space()->is_locked()) {
-
-		ERR_EXPLAIN("Body state is inaccessible right now, wait for iteration or physics process notification.");
-		ERR_FAIL_V(NULL);
-	}
+	ERR_FAIL_COND_V_MSG(!doing_sync || body->get_space()->is_locked(), NULL, "Body state is inaccessible right now, wait for iteration or physics process notification.");
 
 	direct_state->body = body;
 	return direct_state;
@@ -1410,8 +1397,7 @@ void PhysicsServerSW::free(RID p_rid) {
 
 	} else {
 
-		ERR_EXPLAIN("Invalid ID");
-		ERR_FAIL();
+		ERR_FAIL_MSG("Invalid ID.");
 	}
 };
 
diff --git a/servers/physics_2d/physics_2d_server_sw.cpp b/servers/physics_2d/physics_2d_server_sw.cpp
index cc656d3b73..80e204087a 100644
--- a/servers/physics_2d/physics_2d_server_sw.cpp
+++ b/servers/physics_2d/physics_2d_server_sw.cpp
@@ -36,11 +36,8 @@
 #include "core/project_settings.h"
 #include "core/script_language.h"
 
-#define FLUSH_QUERY_CHECK(m_object)                                                                                                              \
-	if (m_object->get_space() && flushing_queries) {                                                                                             \
-		ERR_EXPLAIN("Can't change this state while flushing queries. Use call_deferred() or set_deferred() to change monitoring state instead"); \
-		ERR_FAIL();                                                                                                                              \
-	}
+#define FLUSH_QUERY_CHECK(m_object) \
+	ERR_FAIL_COND_MSG(m_object->get_space() && flushing_queries, "Can't change this state while flushing queries. Use call_deferred() or set_deferred() to change monitoring state instead.");
 
 RID Physics2DServerSW::_shape_create(ShapeType p_shape) {
 
@@ -316,11 +313,7 @@ Physics2DDirectSpaceState *Physics2DServerSW::space_get_direct_state(RID p_space
 
 	Space2DSW *space = space_owner.get(p_space);
 	ERR_FAIL_COND_V(!space, NULL);
-	if ((using_threads && !doing_sync) || space->is_locked()) {
-
-		ERR_EXPLAIN("Space state is inaccessible right now, wait for iteration or physics process notification.");
-		ERR_FAIL_V(NULL);
-	}
+	ERR_FAIL_COND_V_MSG((using_threads && !doing_sync) || space->is_locked(), NULL, "Space state is inaccessible right now, wait for iteration or physics process notification.");
 
 	return space->get_direct_state();
 }
@@ -1075,10 +1068,7 @@ int Physics2DServerSW::body_test_ray_separation(RID p_body, const Transform2D &p
 
 Physics2DDirectBodyState *Physics2DServerSW::body_get_direct_state(RID p_body) {
 
-	if ((using_threads && !doing_sync)) {
-		ERR_EXPLAIN("Body state is inaccessible right now, wait for iteration or physics process notification.");
-		ERR_FAIL_V(NULL);
-	}
+	ERR_FAIL_COND_V_MSG((using_threads && !doing_sync), NULL, "Body state is inaccessible right now, wait for iteration or physics process notification.");
 
 	if (!body_owner.owns(p_body))
 		return NULL;
@@ -1086,12 +1076,7 @@ Physics2DDirectBodyState *Physics2DServerSW::body_get_direct_state(RID p_body) {
 	Body2DSW *body = body_owner.get(p_body);
 	ERR_FAIL_COND_V(!body, NULL);
 	ERR_FAIL_COND_V(!body->get_space(), NULL);
-
-	if (body->get_space()->is_locked()) {
-
-		ERR_EXPLAIN("Body state is inaccessible right now, wait for iteration or physics process notification.");
-		ERR_FAIL_V(NULL);
-	}
+	ERR_FAIL_COND_V_MSG(body->get_space()->is_locked(), NULL, "Body state is inaccessible right now, wait for iteration or physics process notification.");
 
 	direct_state->body = body;
 	return direct_state;
@@ -1321,8 +1306,7 @@ void Physics2DServerSW::free(RID p_rid) {
 
 	} else {
 
-		ERR_EXPLAIN("Invalid ID");
-		ERR_FAIL();
+		ERR_FAIL_MSG("Invalid ID.");
 	}
 };
 
diff --git a/servers/visual/visual_server_canvas.cpp b/servers/visual/visual_server_canvas.cpp
index fc75fda583..f5a1276c27 100644
--- a/servers/visual/visual_server_canvas.cpp
+++ b/servers/visual/visual_server_canvas.cpp
@@ -386,8 +386,7 @@ void VisualServerCanvas::canvas_item_set_parent(RID p_item, RID p_parent) {
 
 		} else {
 
-			ERR_EXPLAIN("Invalid parent");
-			ERR_FAIL();
+			ERR_FAIL_MSG("Invalid parent.");
 		}
 	}
 
@@ -754,12 +753,7 @@ void VisualServerCanvas::canvas_item_add_polygon(RID p_item, const Vector<Point2
 	ERR_FAIL_COND(uv_size != 0 && (uv_size != pointcount));
 #endif
 	Vector<int> indices = Geometry::triangulate_polygon(p_points);
-
-	if (indices.empty()) {
-
-		ERR_EXPLAIN("Bad Polygon!");
-		ERR_FAIL();
-	}
+	ERR_FAIL_COND_MSG(indices.empty(), "Invalid polygon data, triangulation failed.");
 
 	Item::CommandPolygon *polygon = memnew(Item::CommandPolygon);
 	ERR_FAIL_COND(!polygon);
diff --git a/servers/visual_server.cpp b/servers/visual_server.cpp
index 25e18d0623..13fcda2402 100644
--- a/servers/visual_server.cpp
+++ b/servers/visual_server.cpp
@@ -1145,11 +1145,7 @@ void VisualServer::mesh_add_surface_from_arrays(RID p_mesh, PrimitiveType p_prim
 	Vector<AABB> bone_aabb;
 
 	Error err = _surface_set_data(p_arrays, format, offsets, total_elem_size, vertex_array, array_len, index_array, index_array_len, aabb, bone_aabb);
-
-	if (err) {
-		ERR_EXPLAIN("Invalid array format for surface");
-		ERR_FAIL();
-	}
+	ERR_FAIL_COND_MSG(err, "Invalid array format for surface.");
 
 	Vector<PoolVector<uint8_t> > blend_shape_data;
 
@@ -1162,10 +1158,7 @@ void VisualServer::mesh_add_surface_from_arrays(RID p_mesh, PrimitiveType p_prim
 		AABB laabb;
 		Error err2 = _surface_set_data(p_blend_shapes[i], format & ~ARRAY_FORMAT_INDEX, offsets, total_elem_size, vertex_array_shape, array_len, noindex, 0, laabb, bone_aabb);
 		aabb.merge_with(laabb);
-		if (err2 != OK) {
-			ERR_EXPLAIN("Invalid blend shape array format for surface");
-			ERR_FAIL();
-		}
+		ERR_FAIL_COND_MSG(err2 != OK, "Invalid blend shape array format for surface.");
 
 		blend_shape_data.push_back(vertex_array_shape);
 	}
-- 
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