simplify formatting scripts, add a clang-tidy script, and run clang-tidy

36 files changed, 290 insertions, 246 deletions

diff --git a/.clang-tidy b/.clang-tidy
index 59d0facb96..b623aef133 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -1,10 +1,9 @@
 ---
-Checks:          'clang-diagnostic-*,clang-analyzer-*,-*,modernize-redundant-void-arg,modernize-use-bool-literals,modernize-use-default-member-init,modernize-use-nullptr,readability-braces-around-statements'
+Checks: 'clang-diagnostic-*,clang-analyzer-*,-*,modernize-redundant-void-arg,modernize-use-bool-literals,modernize-use-default-member-init,modernize-use-nullptr,readability-braces-around-statements'
 WarningsAsErrors: ''
-HeaderFilterRegex: '.*'
+HeaderFilterRegex: ''
 AnalyzeTemporaryDtors: false
-FormatStyle:     none
-CheckOptions:
+FormatStyle: none
 CheckOptions:
   - key:             cert-dcl16-c.NewSuffixes
     value:           'L;LL;LU;LLU'
diff --git a/core/input/input_event.cpp b/core/input/input_event.cpp
index 4e18efde81..ab0f36132f 100644
--- a/core/input/input_event.cpp
+++ b/core/input/input_event.cpp
@@ -1221,8 +1221,9 @@ String InputEventScreenDrag::to_string() {
 
 bool InputEventScreenDrag::accumulate(const Ref<InputEvent> &p_event) {
 	Ref<InputEventScreenDrag> drag = p_event;
-	if (drag.is_null())
+	if (drag.is_null()) {
 		return false;
+	}
 
 	if (get_index() != drag->get_index()) {
 		return false;
diff --git a/core/object/object.h b/core/object/object.h
index 63130a1aef..1a0a81581d 100644
--- a/core/object/object.h
+++ b/core/object/object.h
@@ -700,8 +700,9 @@ public:
 	static String get_category_static() { return String(); }
 
 	virtual String get_class() const {
-		if (_extension)
+		if (_extension) {
 			return _extension->class_name.operator String();
+		}
 		return "Object";
 	}
 	virtual String get_save_class() const { return get_class(); } //class stored when saving
diff --git a/drivers/gles3/rasterizer_canvas_gles3.cpp b/drivers/gles3/rasterizer_canvas_gles3.cpp
index 270725ee63..451960d772 100644
--- a/drivers/gles3/rasterizer_canvas_gles3.cpp
+++ b/drivers/gles3/rasterizer_canvas_gles3.cpp
@@ -184,7 +184,7 @@ void RasterizerCanvasGLES3::canvas_render_items(RID p_to_render_target, Item *p_
 	}
 
 	state.current_tex = RID();
-	state.current_tex_ptr = NULL;
+	state.current_tex_ptr = nullptr;
 	state.current_normal = RID();
 	state.current_specular = RID();
 	state.canvas_texscreen_used = false;
@@ -233,13 +233,13 @@ void RasterizerCanvasGLES3::_render_items(RID p_to_render_target, int p_item_cou
 		}
 
 		if (material != prev_material) {
-			RasterizerStorageGLES3::Shader *shader_ptr = NULL;
+			RasterizerStorageGLES3::Shader *shader_ptr = nullptr;
 
 			if (material_ptr) {
 				shader_ptr = material_ptr->shader;
 
 				if (shader_ptr && shader_ptr->mode != RS::SHADER_CANVAS_ITEM) {
-					shader_ptr = NULL; // not a canvas item shader, don't use.
+					shader_ptr = nullptr; // not a canvas item shader, don't use.
 				}
 			}
 
@@ -295,8 +295,9 @@ void RasterizerCanvasGLES3::_render_items(RID p_to_render_target, int p_item_cou
 						t->detect_normal(t->detect_normal_ud);
 					}
 #endif
-					if (t->render_target)
+					if (t->render_target) {
 						t->render_target->used_in_frame = true;
+					}
 
 					glBindTexture(t->target, t->tex_id);
 				}
@@ -582,7 +583,7 @@ void RasterizerCanvasGLES3::_render_item(RID p_render_target, const Item *p_item
 				static const GLenum prim[5] = { GL_POINTS, GL_LINES, GL_LINE_STRIP, GL_TRIANGLES, GL_TRIANGLE_STRIP };
 
 				if (pb->index_buffer != 0) {
-					glDrawElements(prim[polygon->primitive], pb->count, GL_UNSIGNED_INT, 0);
+					glDrawElements(prim[polygon->primitive], pb->count, GL_UNSIGNED_INT, nullptr);
 				} else {
 					glDrawArrays(prim[polygon->primitive], 0, pb->count);
 				}
@@ -946,7 +947,7 @@ void RasterizerCanvasGLES3::_bind_canvas_texture(RID p_texture, RS::CanvasItemTe
 
 	if (!texture) {
 		state.current_tex = RID();
-		state.current_tex_ptr = NULL;
+		state.current_tex_ptr = nullptr;
 		ct->size_cache = Size2i(1, 1);
 
 		glActiveTexture(GL_TEXTURE0);
@@ -1096,7 +1097,7 @@ RendererCanvasRender::PolygonID RasterizerCanvasGLES3::request_polygon(const Vec
 		{
 			// Always uses vertex positions
 			glEnableVertexAttribArray(RS::ARRAY_VERTEX);
-			glVertexAttribPointer(RS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, stride * sizeof(float), NULL);
+			glVertexAttribPointer(RS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, stride * sizeof(float), nullptr);
 			const Vector2 *points_ptr = p_points.ptr();
 
 			for (uint32_t i = 0; i < vertex_count; i++) {
@@ -1313,7 +1314,7 @@ void RasterizerCanvasGLES3::initialize() {
 		glGenBuffers(1, &data.ninepatch_vertices);
 		glBindBuffer(GL_ARRAY_BUFFER, data.ninepatch_vertices);
 
-		glBufferData(GL_ARRAY_BUFFER, sizeof(float) * (16 + 16) * 2, NULL, GL_DYNAMIC_DRAW);
+		glBufferData(GL_ARRAY_BUFFER, sizeof(float) * (16 + 16) * 2, nullptr, GL_DYNAMIC_DRAW);
 
 		glBindBuffer(GL_ARRAY_BUFFER, 0);
 
@@ -1443,7 +1444,7 @@ void fragment() {
 	default_canvas_texture = storage->canvas_texture_allocate();
 	storage->canvas_texture_initialize(default_canvas_texture);
 
-	state.using_light = NULL;
+	state.using_light = nullptr;
 	state.using_transparent_rt = false;
 	state.using_skeleton = false;
 	state.current_shader_version = state.canvas_shader_default_version;
diff --git a/drivers/gles3/rasterizer_gles3.cpp b/drivers/gles3/rasterizer_gles3.cpp
index 32ead8aa7e..087bf36473 100644
--- a/drivers/gles3/rasterizer_gles3.cpp
+++ b/drivers/gles3/rasterizer_gles3.cpp
@@ -130,46 +130,51 @@ void RasterizerGLES3::end_frame(bool p_swap_buffers) {
 
 #ifdef CAN_DEBUG
 static void GLAPIENTRY _gl_debug_print(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const GLvoid *userParam) {
-	if (type == _EXT_DEBUG_TYPE_OTHER_ARB)
+	if (type == _EXT_DEBUG_TYPE_OTHER_ARB) {
 		return;
+	}
 
-	if (type == _EXT_DEBUG_TYPE_PERFORMANCE_ARB)
+	if (type == _EXT_DEBUG_TYPE_PERFORMANCE_ARB) {
 		return; //these are ultimately annoying, so removing for now
+	}
 
 	char debSource[256], debType[256], debSev[256];
 
-	if (source == _EXT_DEBUG_SOURCE_API_ARB)
+	if (source == _EXT_DEBUG_SOURCE_API_ARB) {
 		strcpy(debSource, "OpenGL");
-	else if (source == _EXT_DEBUG_SOURCE_WINDOW_SYSTEM_ARB)
+	} else if (source == _EXT_DEBUG_SOURCE_WINDOW_SYSTEM_ARB) {
 		strcpy(debSource, "Windows");
-	else if (source == _EXT_DEBUG_SOURCE_SHADER_COMPILER_ARB)
+	} else if (source == _EXT_DEBUG_SOURCE_SHADER_COMPILER_ARB) {
 		strcpy(debSource, "Shader Compiler");
-	else if (source == _EXT_DEBUG_SOURCE_THIRD_PARTY_ARB)
+	} else if (source == _EXT_DEBUG_SOURCE_THIRD_PARTY_ARB) {
 		strcpy(debSource, "Third Party");
-	else if (source == _EXT_DEBUG_SOURCE_APPLICATION_ARB)
+	} else if (source == _EXT_DEBUG_SOURCE_APPLICATION_ARB) {
 		strcpy(debSource, "Application");
-	else if (source == _EXT_DEBUG_SOURCE_OTHER_ARB)
+	} else if (source == _EXT_DEBUG_SOURCE_OTHER_ARB) {
 		strcpy(debSource, "Other");
+	}
 
-	if (type == _EXT_DEBUG_TYPE_ERROR_ARB)
+	if (type == _EXT_DEBUG_TYPE_ERROR_ARB) {
 		strcpy(debType, "Error");
-	else if (type == _EXT_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB)
+	} else if (type == _EXT_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB) {
 		strcpy(debType, "Deprecated behavior");
-	else if (type == _EXT_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB)
+	} else if (type == _EXT_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB) {
 		strcpy(debType, "Undefined behavior");
-	else if (type == _EXT_DEBUG_TYPE_PORTABILITY_ARB)
+	} else if (type == _EXT_DEBUG_TYPE_PORTABILITY_ARB) {
 		strcpy(debType, "Portability");
-	else if (type == _EXT_DEBUG_TYPE_PERFORMANCE_ARB)
+	} else if (type == _EXT_DEBUG_TYPE_PERFORMANCE_ARB) {
 		strcpy(debType, "Performance");
-	else if (type == _EXT_DEBUG_TYPE_OTHER_ARB)
+	} else if (type == _EXT_DEBUG_TYPE_OTHER_ARB) {
 		strcpy(debType, "Other");
+	}
 
-	if (severity == _EXT_DEBUG_SEVERITY_HIGH_ARB)
+	if (severity == _EXT_DEBUG_SEVERITY_HIGH_ARB) {
 		strcpy(debSev, "High");
-	else if (severity == _EXT_DEBUG_SEVERITY_MEDIUM_ARB)
+	} else if (severity == _EXT_DEBUG_SEVERITY_MEDIUM_ARB) {
 		strcpy(debSev, "Medium");
-	else if (severity == _EXT_DEBUG_SEVERITY_LOW_ARB)
+	} else if (severity == _EXT_DEBUG_SEVERITY_LOW_ARB) {
 		strcpy(debSev, "Low");
+	}
 
 	String output = String() + "GL ERROR: Source: " + debSource + "\tType: " + debType + "\tID: " + itos(id) + "\tSeverity: " + debSev + "\tMessage: " + message;
 
@@ -203,7 +208,7 @@ void RasterizerGLES3::initialize() {
 	if (OS::get_singleton()->is_stdout_verbose()) {
 		if (GLAD_GL_ARB_debug_output) {
 			glEnable(_EXT_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
-			glDebugMessageCallbackARB(_gl_debug_print, NULL);
+			glDebugMessageCallbackARB(_gl_debug_print, nullptr);
 			glEnable(_EXT_DEBUG_OUTPUT);
 		} else {
 			print_line("OpenGL debugging not supported!");
@@ -215,12 +220,12 @@ void RasterizerGLES3::initialize() {
 #ifdef CAN_DEBUG
 #ifdef GLES_OVER_GL
 	if (OS::get_singleton()->is_stdout_verbose() && GLAD_GL_ARB_debug_output) {
-		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_ERROR_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, NULL, GL_TRUE);
-		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, NULL, GL_TRUE);
-		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, NULL, GL_TRUE);
-		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_PORTABILITY_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, NULL, GL_TRUE);
-		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_PERFORMANCE_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, NULL, GL_TRUE);
-		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_OTHER_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, NULL, GL_TRUE);
+		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_ERROR_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
+		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
+		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
+		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_PORTABILITY_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
+		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_PERFORMANCE_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
+		glDebugMessageControlARB(_EXT_DEBUG_SOURCE_API_ARB, _EXT_DEBUG_TYPE_OTHER_ARB, _EXT_DEBUG_SEVERITY_HIGH_ARB, 0, nullptr, GL_TRUE);
 		//		 glDebugMessageInsertARB(
 		//			GL_DEBUG_SOURCE_API_ARB,
 		//			GL_DEBUG_TYPE_OTHER_ARB, 1,
@@ -299,8 +304,9 @@ void RasterizerGLES3::blit_render_targets_to_screen(DisplayServer::WindowID p_sc
 }
 
 void RasterizerGLES3::set_boot_image(const Ref<Image> &p_image, const Color &p_color, bool p_scale, bool p_use_filter) {
-	if (p_image.is_null() || p_image->is_empty())
+	if (p_image.is_null() || p_image->is_empty()) {
 		return;
+	}
 
 	Size2i win_size = DisplayServer::get_singleton()->screen_get_size();
 
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp
index fd9e98be83..fda208b812 100644
--- a/drivers/gles3/rasterizer_storage_gles3.cpp
+++ b/drivers/gles3/rasterizer_storage_gles3.cpp
@@ -976,7 +976,7 @@ Ref<Image> RasterizerStorageGLES3::texture_get_data(RID p_texture, int p_layer)
 */
 
 void RasterizerStorageGLES3::_texture_set_state_from_flags(Texture *p_tex) {
-	if ((p_tex->flags & TEXTURE_FLAG_MIPMAPS) && !p_tex->ignore_mipmaps)
+	if ((p_tex->flags & TEXTURE_FLAG_MIPMAPS) && !p_tex->ignore_mipmaps) {
 		if (p_tex->flags & TEXTURE_FLAG_FILTER) {
 			// these do not exactly correspond ...
 			p_tex->GLSetFilter(p_tex->target, RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS);
@@ -985,7 +985,7 @@ void RasterizerStorageGLES3::_texture_set_state_from_flags(Texture *p_tex) {
 			p_tex->GLSetFilter(p_tex->target, RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS);
 			//texture->glTexParam_MinFilter(texture->target, config.use_fast_texture_filter ? GL_NEAREST_MIPMAP_NEAREST : GL_NEAREST_MIPMAP_LINEAR);
 		}
-	else {
+	} else {
 		if (p_tex->flags & TEXTURE_FLAG_FILTER) {
 			p_tex->GLSetFilter(p_tex->target, RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR);
 			//texture->glTexParam_MinFilter(texture->target, GL_LINEAR);
@@ -1125,8 +1125,9 @@ void RasterizerStorageGLES3::texture_debug_usage(List<RS::TextureInfo> *r_info)
 
 	for (List<RID>::Element *E = textures.front(); E; E = E->next()) {
 		Texture *t = texture_owner.get_or_null(E->get());
-		if (!t)
+		if (!t) {
 			continue;
+		}
 		RS::TextureInfo tinfo;
 		tinfo.path = t->path;
 		tinfo.format = t->format;
@@ -1173,7 +1174,7 @@ void RasterizerStorageGLES3::texture_set_proxy(RID p_texture, RID p_proxy) {
 
 	if (texture->proxy) {
 		texture->proxy->proxy_owners.erase(texture);
-		texture->proxy = NULL;
+		texture->proxy = nullptr;
 	}
 
 	if (p_proxy.is_valid()) {
@@ -1298,8 +1299,9 @@ void RasterizerStorageGLES3::shader_initialize(RID p_rid) {
 //}
 
 void RasterizerStorageGLES3::_shader_make_dirty(Shader *p_shader) {
-	if (p_shader->dirty_list.in_list())
+	if (p_shader->dirty_list.in_list()) {
 		return;
+	}
 
 	_shader_dirty_list.add(&p_shader->dirty_list);
 }
@@ -1371,7 +1373,7 @@ void RasterizerStorageGLES3::_update_shader(Shader *p_shader) const {
 	}
 
 	ShaderCompiler::GeneratedCode gen_code;
-	ShaderCompiler::IdentifierActions *actions = NULL;
+	ShaderCompiler::IdentifierActions *actions = nullptr;
 
 	switch (p_shader->mode) {
 		case RS::SHADER_CANVAS_ITEM: {
@@ -1697,8 +1699,9 @@ RID RasterizerStorageGLES3::shader_get_default_texture_param(RID p_shader, const
 /* COMMON MATERIAL API */
 
 void RasterizerStorageGLES3::_material_make_dirty(Material *p_material) const {
-	if (p_material->dirty_list.in_list())
+	if (p_material->dirty_list.in_list()) {
 		return;
+	}
 
 	_material_dirty_list.add(&p_material->dirty_list);
 }
@@ -1954,8 +1957,9 @@ void RasterizerStorageGLES3::_update_material(Material *p_material) {
 		p_material->textures.resize(p_material->shader->texture_uniforms.size());
 
 		for (Map<StringName, ShaderLanguage::ShaderNode::Uniform>::Element *E = p_material->shader->uniforms.front(); E; E = E->next()) {
-			if (E->get().texture_order < 0)
+			if (E->get().texture_order < 0) {
 				continue; // not a texture, does not go here
+			}
 
 			RID texture;
 
@@ -2909,7 +2913,7 @@ void RasterizerStorageGLES3::_set_current_render_target(RID p_render_target) {
 		_dims.win_height = rt->height;
 
 	} else {
-		frame.current_rt = NULL;
+		frame.current_rt = nullptr;
 		frame.clear_request = false;
 		bind_framebuffer_system();
 	}
@@ -2917,8 +2921,9 @@ void RasterizerStorageGLES3::_set_current_render_target(RID p_render_target) {
 
 void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
 	// do not allocate a render target with no size
-	if (rt->width <= 0 || rt->height <= 0)
+	if (rt->width <= 0 || rt->height <= 0) {
 		return;
+	}
 
 	// do not allocate a render target that is attached to the screen
 	if (rt->flags[RENDER_TARGET_DIRECT_TO_SCREEN]) {
@@ -2966,7 +2971,7 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
 		glGenTextures(1, &rt->color);
 		glBindTexture(GL_TEXTURE_2D, rt->color);
 
-		glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, rt->width, rt->height, 0, color_format, color_type, NULL);
+		glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, rt->width, rt->height, 0, color_format, color_type, nullptr);
 
 		if (texture->flags & TEXTURE_FLAG_FILTER) {
 			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
@@ -2986,7 +2991,7 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
 		if (config.support_depth_texture) {
 			glGenTextures(1, &rt->depth);
 			glBindTexture(GL_TEXTURE_2D, rt->depth);
-			glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, rt->width, rt->height, 0, GL_DEPTH_COMPONENT, config.depth_type, NULL);
+			glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, rt->width, rt->height, 0, GL_DEPTH_COMPONENT, config.depth_type, nullptr);
 
 			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
@@ -3109,9 +3114,9 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
 		glBindTexture(GL_TEXTURE_2D, rt->copy_screen_effect.color);
 
 		if (rt->flags[RendererStorage::RENDER_TARGET_TRANSPARENT]) {
-			glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, rt->width, rt->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+			glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, rt->width, rt->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
 		} else {
-			glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, rt->width, rt->height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
+			glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, rt->width, rt->height, 0, GL_RGB, GL_UNSIGNED_BYTE, nullptr);
 		}
 
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
@@ -3159,8 +3164,9 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
 				w >>= 1;
 				h >>= 1;
 
-				if (w < 2 || h < 2)
+				if (w < 2 || h < 2) {
 					break;
+				}
 
 				level++;
 			}
@@ -3173,7 +3179,7 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
 				glBindTexture(GL_TEXTURE_2D, rt->mip_maps[i].color);
 
 				for (int l = 0; l < level + 1; l++) {
-					glTexImage2D(GL_TEXTURE_2D, l, color_internal_format, width, height, 0, color_format, color_type, NULL);
+					glTexImage2D(GL_TEXTURE_2D, l, color_internal_format, width, height, 0, color_format, color_type, nullptr);
 					width = MAX(1, (width / 2));
 					height = MAX(1, (height / 2));
 				}
@@ -3186,7 +3192,7 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
 				for (int l = 0; l < level + 1; l++) {
 					glGenTextures(1, &rt->mip_maps[i].sizes.write[l].color);
 					glBindTexture(GL_TEXTURE_2D, rt->mip_maps[i].sizes[l].color);
-					glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, width, height, 0, color_format, color_type, NULL);
+					glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, width, height, 0, color_format, color_type, nullptr);
 					width = MAX(1, (width / 2));
 					height = MAX(1, (height / 2));
 					glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
@@ -3255,8 +3261,9 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
 
 void RasterizerStorageGLES3::_render_target_clear(RenderTarget *rt) {
 	// there is nothing to clear when DIRECT_TO_SCREEN is used
-	if (rt->flags[RENDER_TARGET_DIRECT_TO_SCREEN])
+	if (rt->flags[RENDER_TARGET_DIRECT_TO_SCREEN]) {
 		return;
+	}
 
 	if (rt->fbo) {
 		glDeleteFramebuffers(1, &rt->fbo);
@@ -3373,8 +3380,9 @@ void RasterizerStorageGLES3::render_target_set_size(RID p_render_target, int p_w
 	RenderTarget *rt = render_target_owner.get_or_null(p_render_target);
 	ERR_FAIL_COND(!rt);
 
-	if (p_width == rt->width && p_height == rt->height)
+	if (p_width == rt->width && p_height == rt->height) {
 		return;
+	}
 
 	_render_target_clear(rt);
 
@@ -3561,8 +3569,9 @@ void RasterizerStorageGLES3::render_target_set_msaa(RID p_render_target, RS::Vie
 	RenderTarget *rt = render_target_owner.get_or_null(p_render_target);
 	ERR_FAIL_COND(!rt);
 
-	if (rt->msaa == p_msaa)
+	if (rt->msaa == p_msaa) {
 		return;
+	}
 
 	_render_target_clear(rt);
 	rt->msaa = p_msaa;
@@ -3638,8 +3647,9 @@ void RasterizerStorageGLES3::render_target_mark_sdf_enabled(RID p_render_target,
 RID RasterizerStorageGLES3::canvas_light_shadow_buffer_create(int p_width) {
 	CanvasLightShadow *cls = memnew(CanvasLightShadow);
 
-	if (p_width > config.max_texture_size)
+	if (p_width > config.max_texture_size) {
 		p_width = config.max_texture_size;
+	}
 
 	cls->size = p_width;
 	cls->height = 16;
@@ -3657,10 +3667,10 @@ RID RasterizerStorageGLES3::canvas_light_shadow_buffer_create(int p_width) {
 	glGenTextures(1, &cls->distance);
 	glBindTexture(GL_TEXTURE_2D, cls->distance);
 	if (config.use_rgba_2d_shadows) {
-		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, cls->size, cls->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, cls->size, cls->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
 	} else {
 #ifdef GLES_OVER_GL
-		glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, cls->size, cls->height, 0, _RED_OES, GL_FLOAT, NULL);
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, cls->size, cls->height, 0, _RED_OES, GL_FLOAT, nullptr);
 #else
 		glTexImage2D(GL_TEXTURE_2D, 0, GL_FLOAT, cls->size, cls->height, 0, _RED_OES, GL_FLOAT, NULL);
 #endif
@@ -3856,7 +3866,7 @@ bool RasterizerStorageGLES3::free(RID p_rid) {
 		while (shader->materials.first()) {
 			Material *m = shader->materials.first()->self();
 
-			m->shader = NULL;
+			m->shader = nullptr;
 			_material_make_dirty(m);
 
 			shader->materials.remove(shader->materials.first());
@@ -4248,7 +4258,7 @@ void RasterizerStorageGLES3::initialize() {
 		GLuint depth;
 		glGenTextures(1, &depth);
 		glBindTexture(GL_TEXTURE_2D, depth);
-		glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, 32, 32, 0, GL_DEPTH_COMPONENT, config.depth_type, NULL);
+		glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, 32, 32, 0, GL_DEPTH_COMPONENT, config.depth_type, nullptr);
 
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
@@ -4280,7 +4290,7 @@ void RasterizerStorageGLES3::initialize() {
 
 			glGenTextures(1, &depth);
 			glBindTexture(GL_TEXTURE_2D, depth);
-			glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, 32, 32, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, NULL);
+			glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, 32, 32, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, nullptr);
 
 			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
@@ -4308,7 +4318,7 @@ void RasterizerStorageGLES3::initialize() {
 
 	frame.count = 0;
 	frame.delta = 0;
-	frame.current_rt = NULL;
+	frame.current_rt = nullptr;
 	frame.clear_request = false;
 
 	glGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &config.max_vertex_texture_image_units);
diff --git a/drivers/gles3/rasterizer_storage_gles3.h b/drivers/gles3/rasterizer_storage_gles3.h
index 4a4469d40a..0dfc909777 100644
--- a/drivers/gles3/rasterizer_storage_gles3.h
+++ b/drivers/gles3/rasterizer_storage_gles3.h
@@ -142,8 +142,8 @@ public:
 	} shaders;
 
 	struct Info {
-		uint64_t texture_mem;
-		uint64_t vertex_mem;
+		uint64_t texture_mem = 0;
+		uint64_t vertex_mem = 0;
 
 		struct Render {
 			uint32_t object_count;
@@ -167,9 +167,7 @@ public:
 			}
 		} render, render_final, snap;
 
-		Info() :
-				texture_mem(0),
-				vertex_mem(0) {
+		Info() {
 			render.reset();
 			render_final.reset();
 		}
@@ -275,8 +273,9 @@ public:
 		// texture coords start from bottom left, means we need to draw render target textures upside down
 		// to be compatible with vulkan etc.
 		bool is_upside_down() const {
-			if (proxy)
+			if (proxy) {
 				return proxy->is_upside_down();
+			}
 
 			return render_target != nullptr;
 		}
@@ -364,7 +363,7 @@ public:
 			images.clear();
 
 			for (Set<Texture *>::Element *E = proxy_owners.front(); E; E = E->next()) {
-				E->get()->proxy = NULL;
+				E->get()->proxy = nullptr;
 			}
 
 			if (proxy) {
@@ -374,8 +373,9 @@ public:
 
 		// texture state
 		void GLSetFilter(GLenum p_target, RS::CanvasItemTextureFilter p_filter) {
-			if (p_filter == state_filter)
+			if (p_filter == state_filter) {
 				return;
+			}
 			state_filter = p_filter;
 			GLint pmin = GL_LINEAR; // param min
 			GLint pmag = GL_LINEAR; // param mag
@@ -399,8 +399,9 @@ public:
 			glTexParameteri(p_target, GL_TEXTURE_MAG_FILTER, pmag);
 		}
 		void GLSetRepeat(GLenum p_target, RS::CanvasItemTextureRepeat p_repeat) {
-			if (p_repeat == state_repeat)
+			if (p_repeat == state_repeat) {
 				return;
+			}
 			state_repeat = p_repeat;
 			GLint prep = GL_CLAMP_TO_EDGE; // parameter repeat
 			switch (state_repeat) {
@@ -637,7 +638,7 @@ public:
 
 		Shader() :
 				dirty_list(this) {
-			shader = NULL;
+			shader = nullptr;
 			valid = false;
 			version = RID();
 			last_pass = 0;
@@ -697,7 +698,7 @@ public:
 				dirty_list(this) {
 			can_cast_shadow_cache = false;
 			is_animated_cache = false;
-			shader = NULL;
+			shader = nullptr;
 			line_width = 1.0;
 			last_pass = 0;
 			render_priority = 0;
@@ -1151,27 +1152,23 @@ public:
 
 	struct RenderTarget {
 		RID self;
-		GLuint fbo;
-		GLuint color;
-		GLuint depth;
+		GLuint fbo = 0;
+		GLuint color = 0;
+		GLuint depth = 0;
 
-		GLuint multisample_fbo;
-		GLuint multisample_color;
-		GLuint multisample_depth;
-		bool multisample_active;
+		GLuint multisample_fbo = 0;
+		GLuint multisample_color = 0;
+		GLuint multisample_depth = 0;
+		bool multisample_active = false;
 
 		struct Effect {
-			GLuint fbo;
-			int width;
-			int height;
+			GLuint fbo = 0;
+			int width = 0;
+			int height = 0;
 
-			GLuint color;
+			GLuint color = 0;
 
-			Effect() :
-					fbo(0),
-					width(0),
-					height(0),
-					color(0) {
+			Effect() {
 			}
 		};
 
@@ -1186,71 +1183,47 @@ public:
 			};
 
 			Vector<Size> sizes;
-			GLuint color;
-			int levels;
+			GLuint color = 0;
+			int levels = 0;
 
-			MipMaps() :
-					color(0),
-					levels(0) {
+			MipMaps() {
 			}
 		};
 
 		MipMaps mip_maps[2];
 
 		struct External {
-			GLuint fbo;
-			GLuint color;
-			GLuint depth;
+			GLuint fbo = 0;
+			GLuint color = 0;
+			GLuint depth = 0;
 			RID texture;
 
-			External() :
-					fbo(0),
-					color(0),
-					depth(0) {
+			External() {
 			}
 		} external;
 
-		int x, y, width, height;
+		int x = 0, y = 0, width = 0, height = 0;
 
 		bool flags[RENDER_TARGET_FLAG_MAX];
 
 		// instead of allocating sized render targets immediately,
 		// defer this for faster startup
 		bool allocate_is_dirty = false;
-		bool used_in_frame;
-		RS::ViewportMSAA msaa;
+		bool used_in_frame = false;
+		RS::ViewportMSAA msaa = RS::VIEWPORT_MSAA_DISABLED;
 
-		bool use_fxaa;
-		bool use_debanding;
+		bool use_fxaa = false;
+		bool use_debanding = false;
 
 		RID texture;
 
-		bool used_dof_blur_near;
-		bool mip_maps_allocated;
-
-		Color clear_color;
-		bool clear_requested;
-
-		RenderTarget() :
-				fbo(0),
-				color(0),
-				depth(0),
-				multisample_fbo(0),
-				multisample_color(0),
-				multisample_depth(0),
-				multisample_active(false),
-				x(0),
-				y(0),
-				width(0),
-				height(0),
-				used_in_frame(false),
-				msaa(RS::VIEWPORT_MSAA_DISABLED),
-				use_fxaa(false),
-				use_debanding(false),
-				used_dof_blur_near(false),
-				mip_maps_allocated(false),
-				clear_color(Color(1, 1, 1, 1)),
-				clear_requested(false) {
+		bool used_dof_blur_near = false;
+		bool mip_maps_allocated = false;
+
+		Color clear_color = Color(1, 1, 1, 1);
+		bool clear_requested = false;
+
+		RenderTarget() {
 			for (int i = 0; i < RENDER_TARGET_FLAG_MAX; ++i) {
 				flags[i] = false;
 			}
@@ -1427,8 +1400,9 @@ inline bool RasterizerStorageGLES3::safe_buffer_sub_data(unsigned int p_total_bu
 	r_offset_after = p_offset + p_data_size;
 #ifdef DEBUG_ENABLED
 	// we are trying to write across the edge of the buffer
-	if (r_offset_after > p_total_buffer_size)
+	if (r_offset_after > p_total_buffer_size) {
 		return false;
+	}
 #endif
 	glBufferSubData(p_target, p_offset, p_data_size, p_data);
 	return true;
@@ -1440,7 +1414,7 @@ inline void RasterizerStorageGLES3::buffer_orphan_and_upload(unsigned int p_buff
 	// Orphan the buffer to avoid CPU/GPU sync points caused by glBufferSubData
 	// Was previously #ifndef GLES_OVER_GL however this causes stalls on desktop mac also (and possibly other)
 	if (!p_optional_orphan || (config.should_orphan)) {
-		glBufferData(p_target, p_buffer_size, NULL, p_usage);
+		glBufferData(p_target, p_buffer_size, nullptr, p_usage);
 #ifdef RASTERIZER_EXTRA_CHECKS
 		// fill with garbage off the end of the array
 		if (p_buffer_size) {
diff --git a/drivers/gles3/texture_loader_gles3.cpp b/drivers/gles3/texture_loader_gles3.cpp
index e16e4fe254..1cbda02121 100644
--- a/drivers/gles3/texture_loader_gles3.cpp
+++ b/drivers/gles3/texture_loader_gles3.cpp
@@ -61,8 +61,9 @@ RES ResourceFormatGLES2Texture::load(const String &p_path, const String &p_origi
 	Ref<ImageTexture> texture = memnew(ImageTexture);
 	texture->create_from_image(img);
 
-	if (r_error)
+	if (r_error) {
 		*r_error = OK;
+	}
 
 	return texture;
 }
diff --git a/drivers/vulkan/vulkan_context.cpp b/drivers/vulkan/vulkan_context.cpp
index e5d577a79f..44455b927b 100644
--- a/drivers/vulkan/vulkan_context.cpp
+++ b/drivers/vulkan/vulkan_context.cpp
@@ -538,7 +538,7 @@ Error VulkanContext::_check_capabilities() {
 
 		VkPhysicalDeviceShaderFloat16Int8FeaturesKHR shader_features;
 		shader_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_FLOAT16_INT8_FEATURES_KHR;
-		shader_features.pNext = NULL;
+		shader_features.pNext = nullptr;
 
 		device_features.pNext = &shader_features;
 
@@ -547,7 +547,7 @@ Error VulkanContext::_check_capabilities() {
 
 		VkPhysicalDevice16BitStorageFeaturesKHR storage_feature;
 		storage_feature.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_16BIT_STORAGE_FEATURES_KHR;
-		storage_feature.pNext = NULL;
+		storage_feature.pNext = nullptr;
 
 		device_features.pNext = &storage_feature;
 
diff --git a/editor/debugger/editor_profiler.cpp b/editor/debugger/editor_profiler.cpp
index d5e825a26c..da1d6a54f2 100644
--- a/editor/debugger/editor_profiler.cpp
+++ b/editor/debugger/editor_profiler.cpp
@@ -456,8 +456,9 @@ void EditorProfiler::_graph_tex_input(const Ref<InputEvent> &p_ev) {
 		if (mb.is_valid() || (mm->get_button_mask() & MouseButton::MASK_LEFT) != MouseButton::NONE) {
 			updating_frame = true;
 
-			if (x < total_metrics)
+			if (x < total_metrics) {
 				cursor_metric_edit->set_value(_get_frame_metric(x).frame_number);
+			}
 			updating_frame = false;
 
 			if (activate->is_pressed()) {
diff --git a/editor/import/collada.cpp b/editor/import/collada.cpp
index 2cc534d96d..b40a810763 100644
--- a/editor/import/collada.cpp
+++ b/editor/import/collada.cpp
@@ -411,8 +411,9 @@ Vector<String> Collada::_read_string_array(XMLParser &parser) {
 }
 
 Transform3D Collada::_read_transform(XMLParser &parser) {
-	if (parser.is_empty())
+	if (parser.is_empty()) {
 		return Transform3D();
+	}
 
 	Vector<String> array;
 	while (parser.read() == OK) {
diff --git a/editor/plugins/animation_blend_tree_editor_plugin.h b/editor/plugins/animation_blend_tree_editor_plugin.h
index 8e63e39fd5..1e55cc8598 100644
--- a/editor/plugins/animation_blend_tree_editor_plugin.h
+++ b/editor/plugins/animation_blend_tree_editor_plugin.h
@@ -75,7 +75,7 @@ class AnimationNodeBlendTreeEditor : public AnimationTreeNodeEditorPlugin {
 		String type;
 		Ref<Script> script;
 		int input_port_count;
-		AddOption(const String &p_name = String(), const String &p_type = String(), bool p_input_port_count = 0) :
+		AddOption(const String &p_name = String(), const String &p_type = String(), int p_input_port_count = 0) :
 				name(p_name),
 				type(p_type),
 				input_port_count(p_input_port_count) {
diff --git a/misc/scripts/black_format.sh b/misc/scripts/black_format.sh
index 2ad9a23832..45d7f9dd2b 100755
--- a/misc/scripts/black_format.sh
+++ b/misc/scripts/black_format.sh
@@ -6,28 +6,20 @@ set -uo pipefail
 
 # Apply black.
 echo -e "Formatting Python files..."
-PY_FILES=$(find \( -path "./.git" \
-                -o -path "./thirdparty" \
-                \) -prune \
-                -o \( -name "SConstruct" \
-                -o -name "SCsub" \
-                -o -name "*.py" \
-                \) -print)
+PY_FILES=$(git ls-files '*SConstruct' '*SCsub' '*.py' --exclude='.git/*' --exclude='thirdparty/*')
 black -l 120 $PY_FILES
 
-git diff --color > patch.patch
+diff=$(git diff --color)
 
 # If no patch has been generated all is OK, clean up, and exit.
-if [ ! -s patch.patch ] ; then
+if [ -z "$diff" ] ; then
     printf "Files in this commit comply with the black style rules.\n"
-    rm -f patch.patch
     exit 0
 fi
 
 # A patch has been created, notify the user, clean up, and exit.
 printf "\n*** The following differences were found between the code "
 printf "and the formatting rules:\n\n"
-cat patch.patch
+echo "$diff"
 printf "\n*** Aborting, please fix your commit(s) with 'git commit --amend' or 'git rebase -i <hash>'\n"
-rm -f patch.patch
 exit 1
diff --git a/misc/scripts/clang_format.sh b/misc/scripts/clang_format.sh
index 0006b82280..311944d3b4 100755
--- a/misc/scripts/clang_format.sh
+++ b/misc/scripts/clang_format.sh
@@ -4,13 +4,10 @@
 # This is the primary script responsible for fixing style violations.
 
 set -uo pipefail
-IFS=$'\n\t'
 
-CLANG_FORMAT_FILE_EXTS=(".c" ".h" ".cpp" ".hpp" ".cc" ".hh" ".cxx" ".m" ".mm" ".inc" ".java" ".glsl")
-
-# Loops through all text files tracked by Git.
-git grep -zIl '' |
-while IFS= read -rd '' f; do
+# Loops through all code files tracked by Git.
+git ls-files '*.c' '*.h' '*.cpp' '*.hpp' '*.cc' '*.hh' '*.cxx' '*.m' '*.mm' '*.inc' '*.java' '*.glsl' |
+while read -r f; do
     # Exclude some files.
     if [[ "$f" == "thirdparty"* ]]; then
         continue
@@ -20,37 +17,31 @@ while IFS= read -rd '' f; do
         continue
     fi
 
-    for extension in ${CLANG_FORMAT_FILE_EXTS[@]}; do
-        if [[ "$f" == *"$extension" ]]; then
-            # Run clang-format.
-            clang-format --Wno-error=unknown -i "$f"
-            # Fix copyright headers, but not all files get them.
-            if [[ "$f" == *"inc" ]]; then
-                continue 2
-            elif [[ "$f" == *"glsl" ]]; then
-                continue 2
-            elif [[ "$f" == "platform/android/java/lib/src/org/godotengine/godot/input/InputManager"* ]]; then
-                continue 2
-            fi
-            python misc/scripts/copyright_headers.py "$f"
-            continue 2
-        fi
-    done
+    # Run clang-format.
+    clang-format --Wno-error=unknown -i "$f"
+
+    # Fix copyright headers, but not all files get them.
+    if [[ "$f" == *"inc" ]]; then
+        continue
+    elif [[ "$f" == *"glsl" ]]; then
+        continue
+    elif [[ "$f" == "platform/android/java/lib/src/org/godotengine/godot/input/InputManager"* ]]; then
+        continue
+    fi
+
+    python misc/scripts/copyright_headers.py "$f"
 done
 
-git diff --color > patch.patch
+diff=$(git diff --color)
 
 # If no patch has been generated all is OK, clean up, and exit.
-if [ ! -s patch.patch ] ; then
-    printf "Files in this commit comply with the clang-format style rules.\n"
-    rm -f patch.patch
+if [ -z "$diff" ] ; then
+    printf "Files in this commit comply with the clang-tidy style rules.\n"
     exit 0
 fi
 
 # A patch has been created, notify the user, clean up, and exit.
-printf "\n*** The following differences were found between the code "
-printf "and the formatting rules:\n\n"
-cat patch.patch
-printf "\n*** Aborting, please fix your commit(s) with 'git commit --amend' or 'git rebase -i <hash>'\n"
-rm -f patch.patch
+printf "\n*** The following changes have been made to comply with the formatting rules:\n\n"
+echo "$diff"
+printf "\n*** Please fix your commit(s) with 'git commit --amend' or 'git rebase -i <hash>'\n"
 exit 1
diff --git a/misc/scripts/clang_tidy.sh b/misc/scripts/clang_tidy.sh
new file mode 100755
index 0000000000..85519c0e72
--- /dev/null
+++ b/misc/scripts/clang_tidy.sh
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+# This script runs clang-tidy on all relevant files in the repo.
+# This is more thorough than clang-format and thus slower; it should only be run manually.
+
+set -uo pipefail
+
+# Loops through all code files tracked by Git.
+git ls-files '*.c' '*.h' '*.cpp' '*.hpp' '*.cc' '*.hh' '*.cxx' '*.m' '*.mm' '*.inc' '*.java' '*.glsl' |
+while read -r f; do
+    # Exclude some files.
+    if [[ "$f" == "thirdparty"* ]]; then
+        continue
+    elif [[ "$f" == "platform/android/java/lib/src/com/google"* ]]; then
+        continue
+    elif [[ "$f" == *"-so_wrap."* ]]; then
+        continue
+    fi
+
+    # Run clang-tidy.
+    clang-tidy --quiet --fix "$f" &> /dev/null
+
+    # Run clang-format. This also fixes the output of clang-tidy.
+    clang-format --Wno-error=unknown -i "$f"
+done
+
+diff=$(git diff --color)
+
+# If no patch has been generated all is OK, clean up, and exit.
+if [ -z "$diff" ] ; then
+    printf "Files in this commit comply with the clang-tidy style rules.\n"
+    exit 0
+fi
+
+# A patch has been created, notify the user, clean up, and exit.
+printf "\n*** The following changes have been made to comply with the formatting rules:\n\n"
+echo "$diff"
+printf "\n*** Please fix your commit(s) with 'git commit --amend' or 'git rebase -i <hash>'\n"
+exit 1
diff --git a/misc/scripts/file_format.sh b/misc/scripts/file_format.sh
index e66bc88bc0..0c7235817d 100755
--- a/misc/scripts/file_format.sh
+++ b/misc/scripts/file_format.sh
@@ -47,10 +47,10 @@ while IFS= read -rd '' f; do
     perl -i -ple 's/\s*$//g' "$f"
 done
 
-git diff --color > patch.patch
+diff=$(git diff --color)
 
 # If no patch has been generated all is OK, clean up, and exit.
-if [ ! -s patch.patch ] ; then
+if [ -z "$diff" ] ; then
     printf "Files in this commit comply with the formatting rules.\n"
     rm -f patch.patch
     exit 0
@@ -59,7 +59,6 @@ fi
 # A patch has been created, notify the user, clean up, and exit.
 printf "\n*** The following differences were found between the code "
 printf "and the formatting rules:\n\n"
-cat patch.patch
+echo "$diff"
 printf "\n*** Aborting, please fix your commit(s) with 'git commit --amend' or 'git rebase -i <hash>'\n"
-rm -f patch.patch
 exit 1
diff --git a/modules/fbx/fbx_parser/FBXAnimation.cpp b/modules/fbx/fbx_parser/FBXAnimation.cpp
index 8c43aac8f6..8627c95012 100644
--- a/modules/fbx/fbx_parser/FBXAnimation.cpp
+++ b/modules/fbx/fbx_parser/FBXAnimation.cpp
@@ -130,7 +130,7 @@ AnimationCurve::~AnimationCurve() {
 AnimationCurveNode::AnimationCurveNode(uint64_t id, const ElementPtr element, const std::string &name,
 		const Document &doc, const char *const *target_prop_whitelist /*= nullptr*/,
 		size_t whitelist_size /*= 0*/) :
-		Object(id, element, name), target(), doc(doc) {
+		Object(id, element, name), doc(doc) {
 	// find target node
 	const char *whitelist[] = { "Model", "NodeAttribute", "Deformer" };
 	const std::vector<const Connection *> &conns = doc.GetConnectionsBySourceSequenced(ID(), whitelist, 3);
diff --git a/modules/fbx/fbx_parser/FBXDeformer.cpp b/modules/fbx/fbx_parser/FBXDeformer.cpp
index b888afd90e..a2b216ab09 100644
--- a/modules/fbx/fbx_parser/FBXDeformer.cpp
+++ b/modules/fbx/fbx_parser/FBXDeformer.cpp
@@ -104,7 +104,7 @@ Constraint::~Constraint() {
 
 // ------------------------------------------------------------------------------------------------
 Cluster::Cluster(uint64_t id, const ElementPtr element, const Document &doc, const std::string &name) :
-		Deformer(id, element, doc, name), valid_transformAssociateModel(false) {
+		Deformer(id, element, doc, name) {
 	const ScopePtr sc = GetRequiredScope(element);
 	//    for( auto element : sc.Elements())
 	//    {
@@ -177,7 +177,7 @@ Cluster::~Cluster() {
 
 // ------------------------------------------------------------------------------------------------
 Skin::Skin(uint64_t id, const ElementPtr element, const Document &doc, const std::string &name) :
-		Deformer(id, element, doc, name), accuracy(0.0f) {
+		Deformer(id, element, doc, name) {
 	const ScopePtr sc = GetRequiredScope(element);
 
 	// keep this it is used for debugging and any FBX format changes
diff --git a/modules/fbx/fbx_parser/FBXParser.cpp b/modules/fbx/fbx_parser/FBXParser.cpp
index d8ccb4179c..e345b7fc18 100644
--- a/modules/fbx/fbx_parser/FBXParser.cpp
+++ b/modules/fbx/fbx_parser/FBXParser.cpp
@@ -235,7 +235,7 @@ Scope::~Scope() {
 
 // ------------------------------------------------------------------------------------------------
 Parser::Parser(const TokenList &tokens, bool is_binary) :
-		corrupt(false), tokens(tokens), cursor(tokens.begin()), is_binary(is_binary) {
+		tokens(tokens), cursor(tokens.begin()), is_binary(is_binary) {
 	root = new_Scope(*this, true);
 	scopes.push_back(root);
 }
diff --git a/modules/fbx/fbx_parser/FBXProperties.cpp b/modules/fbx/fbx_parser/FBXProperties.cpp
index 531f0743d6..7cbb3a2eda 100644
--- a/modules/fbx/fbx_parser/FBXProperties.cpp
+++ b/modules/fbx/fbx_parser/FBXProperties.cpp
@@ -145,8 +145,7 @@ std::string PeekPropertyName(const Element &element) {
 } // namespace
 
 // ------------------------------------------------------------------------------------------------
-PropertyTable::PropertyTable() :
-		element(nullptr) {
+PropertyTable::PropertyTable() {
 }
 
 // Is used when dealing with FBX Objects not metadata.
diff --git a/modules/glslang/glslang_resource_limits.h b/modules/glslang/glslang_resource_limits.h
index 05390f95ad..02d3daff07 100644
--- a/modules/glslang/glslang_resource_limits.h
+++ b/modules/glslang/glslang_resource_limits.h
@@ -132,15 +132,15 @@ const TBuiltInResource DefaultTBuiltInResource = {
 	/* .maxDualSourceDrawBuffersEXT = */ 1,
 
 	/* .limits = */ {
-			/* .nonInductiveForLoops = */ 1,
-			/* .whileLoops = */ 1,
-			/* .doWhileLoops = */ 1,
-			/* .generalUniformIndexing = */ 1,
-			/* .generalAttributeMatrixVectorIndexing = */ 1,
-			/* .generalVaryingIndexing = */ 1,
-			/* .generalSamplerIndexing = */ 1,
-			/* .generalVariableIndexing = */ 1,
-			/* .generalConstantMatrixVectorIndexing = */ 1,
+			/* .nonInductiveForLoops = */ true,
+			/* .whileLoops = */ true,
+			/* .doWhileLoops = */ true,
+			/* .generalUniformIndexing = */ true,
+			/* .generalAttributeMatrixVectorIndexing = */ true,
+			/* .generalVaryingIndexing = */ true,
+			/* .generalSamplerIndexing = */ true,
+			/* .generalVariableIndexing = */ true,
+			/* .generalConstantMatrixVectorIndexing = */ true,
 	}
 };
 
diff --git a/modules/text_server_fb/text_server_fb.cpp b/modules/text_server_fb/text_server_fb.cpp
index ffbd2da22d..4a0415fbf9 100644
--- a/modules/text_server_fb/text_server_fb.cpp
+++ b/modules/text_server_fb/text_server_fb.cpp
@@ -127,8 +127,9 @@ _FORCE_INLINE_ int32_t ot_tag_from_string(const char *p_str, int p_len) {
 	char tag[4];
 	uint32_t i;
 
-	if (!p_str || !p_len || !*p_str)
+	if (!p_str || !p_len || !*p_str) {
 		return OT_TAG(0, 0, 0, 0);
+	}
 
 	if (p_len < 0 || p_len > 4) {
 		p_len = 4;
diff --git a/modules/visual_script/visual_script_func_nodes.cpp b/modules/visual_script/visual_script_func_nodes.cpp
index cc18d48dd8..ef6c1ecdb9 100644
--- a/modules/visual_script/visual_script_func_nodes.cpp
+++ b/modules/visual_script/visual_script_func_nodes.cpp
@@ -912,7 +912,7 @@ int VisualScriptPropertySet::get_output_sequence_port_count() const {
 }
 
 bool VisualScriptPropertySet::has_input_sequence_port() const {
-	return 1;
+	return true;
 }
 
 Node *VisualScriptPropertySet::_get_base_node() const {
diff --git a/platform/linuxbsd/display_server_x11.cpp b/platform/linuxbsd/display_server_x11.cpp
index 74f31bb979..8ba0f9c2cc 100644
--- a/platform/linuxbsd/display_server_x11.cpp
+++ b/platform/linuxbsd/display_server_x11.cpp
@@ -1332,8 +1332,9 @@ int DisplayServerX11::window_get_current_screen(WindowID p_window) const {
 
 void DisplayServerX11::gl_window_make_current(DisplayServer::WindowID p_window_id) {
 #if defined(GLES3_ENABLED)
-	if (gl_manager)
+	if (gl_manager) {
 		gl_manager->window_make_current(p_window_id);
+	}
 #endif
 }
 
diff --git a/platform/linuxbsd/gl_manager_x11.cpp b/platform/linuxbsd/gl_manager_x11.cpp
index 1721d0e0b3..d3fb1d6705 100644
--- a/platform/linuxbsd/gl_manager_x11.cpp
+++ b/platform/linuxbsd/gl_manager_x11.cpp
@@ -68,8 +68,9 @@ static int ctxErrorHandler(Display *dpy, XErrorEvent *ev) {
 int GLManager_X11::_find_or_create_display(Display *p_x11_display) {
 	for (unsigned int n = 0; n < _displays.size(); n++) {
 		const GLDisplay &d = _displays[n];
-		if (d.x11_display == p_x11_display)
+		if (d.x11_display == p_x11_display) {
 			return n;
+		}
 	}
 
 	// create
@@ -82,8 +83,7 @@ int GLManager_X11::_find_or_create_display(Display *p_x11_display) {
 	GLDisplay &d = _displays[new_display_id];
 
 	d.context = memnew(GLManager_X11_Private);
-	;
-	d.context->glx_context = 0;
+	d.context->glx_context = nullptr;
 
 	//Error err = _create_context(d);
 	_create_context(d);
@@ -124,7 +124,7 @@ Error GLManager_X11::_create_context(GLDisplay &gl_display) {
 	};
 
 	int fbcount;
-	GLXFBConfig fbconfig = 0;
+	GLXFBConfig fbconfig = nullptr;
 	XVisualInfo *vi = nullptr;
 
 	gl_display.x_swa.event_mask = StructureNotifyMask;
@@ -137,8 +137,9 @@ Error GLManager_X11::_create_context(GLDisplay &gl_display) {
 
 		for (int i = 0; i < fbcount; i++) {
 			vi = (XVisualInfo *)glXGetVisualFromFBConfig(x11_display, fbc[i]);
-			if (!vi)
+			if (!vi) {
 				continue;
+			}
 
 			XRenderPictFormat *pict_format = XRenderFindVisualFormat(x11_display, vi->visual);
 			if (!pict_format) {
@@ -262,22 +263,26 @@ void GLManager_X11::window_destroy(DisplayServer::WindowID p_window_id) {
 }
 
 void GLManager_X11::release_current() {
-	if (!_current_window)
+	if (!_current_window) {
 		return;
+	}
 	glXMakeCurrent(_x_windisp.x11_display, None, nullptr);
 }
 
 void GLManager_X11::window_make_current(DisplayServer::WindowID p_window_id) {
-	if (p_window_id == -1)
+	if (p_window_id == -1) {
 		return;
+	}
 
 	GLWindow &win = _windows[p_window_id];
-	if (!win.in_use)
+	if (!win.in_use) {
 		return;
+	}
 
 	// noop
-	if (&win == _current_window)
+	if (&win == _current_window) {
 		return;
+	}
 
 	const GLDisplay &disp = get_display(win.gldisplay_id);
 
@@ -287,8 +292,9 @@ void GLManager_X11::window_make_current(DisplayServer::WindowID p_window_id) {
 }
 
 void GLManager_X11::make_current() {
-	if (!_current_window)
+	if (!_current_window) {
 		return;
+	}
 	if (!_current_window->in_use) {
 		WARN_PRINT("current window not in use!");
 		return;
@@ -301,8 +307,9 @@ void GLManager_X11::swap_buffers() {
 	// NO NEED TO CALL SWAP BUFFERS for each window...
 	// see https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glXSwapBuffers.xml
 
-	if (!_current_window)
+	if (!_current_window) {
 		return;
+	}
 	if (!_current_window->in_use) {
 		WARN_PRINT("current window not in use!");
 		return;
@@ -335,19 +342,23 @@ void GLManager_X11::set_use_vsync(bool p_use) {
 	}
 
 	// we need an active window to get a display to set the vsync
-	if (!_current_window)
+	if (!_current_window) {
 		return;
+	}
 	const GLDisplay &disp = get_current_display();
 
 	if (!setup) {
 		setup = true;
 		String extensions = glXQueryExtensionsString(disp.x11_display, DefaultScreen(disp.x11_display));
-		if (extensions.find("GLX_EXT_swap_control") != -1)
+		if (extensions.find("GLX_EXT_swap_control") != -1) {
 			glXSwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalEXT");
-		if (extensions.find("GLX_MESA_swap_control") != -1)
+		}
+		if (extensions.find("GLX_MESA_swap_control") != -1) {
 			glXSwapIntervalMESA = (PFNGLXSWAPINTERVALSGIPROC)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalMESA");
-		if (extensions.find("GLX_SGI_swap_control") != -1)
+		}
+		if (extensions.find("GLX_SGI_swap_control") != -1) {
 			glXSwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalSGI");
+		}
 	}
 	int val = p_use ? 1 : 0;
 	if (glXSwapIntervalMESA) {
@@ -357,8 +368,9 @@ void GLManager_X11::set_use_vsync(bool p_use) {
 	} else if (glXSwapIntervalEXT) {
 		GLXDrawable drawable = glXGetCurrentDrawable();
 		glXSwapIntervalEXT(disp.x11_display, drawable, val);
-	} else
+	} else {
 		return;
+	}
 	use_vsync = p_use;
 }
 
diff --git a/scene/3d/node_3d.cpp b/scene/3d/node_3d.cpp
index 515d2cfdc7..cad1201d63 100644
--- a/scene/3d/node_3d.cpp
+++ b/scene/3d/node_3d.cpp
@@ -300,8 +300,9 @@ Node3D *Node3D::get_parent_node_3d() const {
 }
 
 Transform3D Node3D::get_relative_transform(const Node *p_parent) const {
-	if (p_parent == this)
+	if (p_parent == this) {
 		return Transform3D();
+	}
 
 	ERR_FAIL_COND_V(!data.parent, Transform3D());
 
diff --git a/scene/3d/sprite_3d.cpp b/scene/3d/sprite_3d.cpp
index a37fce9469..331d58927b 100644
--- a/scene/3d/sprite_3d.cpp
+++ b/scene/3d/sprite_3d.cpp
@@ -1088,8 +1088,9 @@ void AnimatedSprite3D::set_frame(int p_frame) {
 
 	if (frames->has_animation(animation)) {
 		int limit = frames->get_frame_count(animation);
-		if (p_frame >= limit)
+		if (p_frame >= limit) {
 			p_frame = limit - 1;
+		}
 	}
 
 	if (p_frame < 0) {
diff --git a/scene/gui/graph_edit.cpp b/scene/gui/graph_edit.cpp
index 2be76473b0..95575a8226 100644
--- a/scene/gui/graph_edit.cpp
+++ b/scene/gui/graph_edit.cpp
@@ -1692,8 +1692,9 @@ int GraphEdit::_set_operations(SET_OPERATIONS p_operation, Set<StringName> &r_u,
 	switch (p_operation) {
 		case GraphEdit::IS_EQUAL: {
 			for (Set<StringName>::Element *E = r_u.front(); E; E = E->next()) {
-				if (!r_v.has(E->get()))
+				if (!r_v.has(E->get())) {
 					return 0;
+				}
 			}
 			return r_u.size() == r_v.size();
 		} break;
@@ -1702,8 +1703,9 @@ int GraphEdit::_set_operations(SET_OPERATIONS p_operation, Set<StringName> &r_u,
 				return 1;
 			}
 			for (Set<StringName>::Element *E = r_u.front(); E; E = E->next()) {
-				if (!r_v.has(E->get()))
+				if (!r_v.has(E->get())) {
 					return 0;
+				}
 			}
 			return 1;
 		} break;
diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp
index f2fe967f9a..bc8e81b1ae 100644
--- a/scene/gui/tree.cpp
+++ b/scene/gui/tree.cpp
@@ -555,8 +555,9 @@ void TreeItem::uncollapse_tree() {
 void TreeItem::set_custom_minimum_height(int p_height) {
 	custom_min_height = p_height;
 
-	for (Cell &c : cells)
+	for (Cell &c : cells) {
 		c.cached_minimum_size_dirty = true;
+	}
 
 	_changed_notify();
 }
@@ -1092,8 +1093,9 @@ bool TreeItem::get_expand_right(int p_column) const {
 void TreeItem::set_disable_folding(bool p_disable) {
 	disable_folding = p_disable;
 
-	for (Cell &c : cells)
+	for (Cell &c : cells) {
 		c.cached_minimum_size_dirty = true;
+	}
 
 	_changed_notify(0);
 }
diff --git a/scene/resources/animation.cpp b/scene/resources/animation.cpp
index a1e66fabb1..b6151bccf4 100644
--- a/scene/resources/animation.cpp
+++ b/scene/resources/animation.cpp
@@ -2474,34 +2474,38 @@ T Animation::_interpolate(const Vector<TKey<T>> &p_keys, double p_time, Interpol
 					real_t delta = (length - p_keys[next].time) - (length - p_keys[idx].time);
 					real_t from = (length - p_time) - (length - p_keys[idx].time);
 
-					if (Math::is_zero_approx(delta))
+					if (Math::is_zero_approx(delta)) {
 						c = 0;
-					else
+					} else {
 						c = from / delta;
+					}
 				} else {
 					next = len - 1;
 					real_t delta = p_keys[idx].time + (length - p_keys[next].time);
 					real_t from = (length - p_time) - (length - p_keys[idx].time);
 
-					if (Math::is_zero_approx(delta))
+					if (Math::is_zero_approx(delta)) {
 						c = 0;
-					else
+					} else {
 						c = from / delta;
+					}
 				}
 			} else {
 				// on loop, in front of last key
 				idx = 0;
 				next = len - 1;
 				real_t endtime = p_keys[idx].time;
-				if (endtime > length) // may be keys past the end
+				if (endtime > length) { // may be keys past the end
 					endtime = length;
+				}
 				real_t delta = p_keys[next].time - endtime;
 				real_t from = p_time - endtime;
 
-				if (Math::is_zero_approx(delta))
+				if (Math::is_zero_approx(delta)) {
 					c = 0;
-				else
+				} else {
 					c = from / delta;
+				}
 			}
 		}
 	} else { // no loop
diff --git a/scene/resources/font.cpp b/scene/resources/font.cpp
index f040041aa5..b512acdd8a 100644
--- a/scene/resources/font.cpp
+++ b/scene/resources/font.cpp
@@ -2344,8 +2344,9 @@ real_t Font::draw_char(RID p_canvas_item, const Point2 &p_pos, char32_t p_char,
 
 bool Font::has_char(char32_t p_char) const {
 	for (int i = 0; i < data.size(); i++) {
-		if (data[i]->has_char(p_char))
+		if (data[i]->has_char(p_char)) {
 			return true;
+		}
 	}
 	return false;
 }
diff --git a/scene/resources/skeleton_modification_3d.cpp b/scene/resources/skeleton_modification_3d.cpp
index b5b3fd5e9f..2c0f6e779e 100644
--- a/scene/resources/skeleton_modification_3d.cpp
+++ b/scene/resources/skeleton_modification_3d.cpp
@@ -34,8 +34,9 @@
 void SkeletonModification3D::_execute(real_t p_delta) {
 	GDVIRTUAL_CALL(_execute, p_delta);
 
-	if (!enabled)
+	if (!enabled) {
 		return;
+	}
 }
 
 void SkeletonModification3D::_setup_modification(SkeletonModificationStack3D *p_stack) {
diff --git a/scene/resources/tile_set.cpp b/scene/resources/tile_set.cpp
index b5b7d14f96..2854cbe30d 100644
--- a/scene/resources/tile_set.cpp
+++ b/scene/resources/tile_set.cpp
@@ -5089,7 +5089,7 @@ int TileData::get_collision_polygon_shapes_count(int p_layer_id, int p_polygon_i
 }
 
 Ref<ConvexPolygonShape2D> TileData::get_collision_polygon_shape(int p_layer_id, int p_polygon_index, int shape_index) const {
-	ERR_FAIL_INDEX_V(p_layer_id, physics.size(), 0);
+	ERR_FAIL_INDEX_V(p_layer_id, physics.size(), Ref<ConvexPolygonShape2D>());
 	ERR_FAIL_INDEX_V(p_polygon_index, physics[p_layer_id].polygons.size(), Ref<ConvexPolygonShape2D>());
 	ERR_FAIL_INDEX_V(shape_index, (int)physics[p_layer_id].polygons[p_polygon_index].shapes.size(), Ref<ConvexPolygonShape2D>());
 	return physics[p_layer_id].polygons[p_polygon_index].shapes[shape_index];
diff --git a/servers/audio_server.cpp b/servers/audio_server.cpp
index c89f811678..f00b8077d1 100644
--- a/servers/audio_server.cpp
+++ b/servers/audio_server.cpp
@@ -456,10 +456,12 @@ void AudioServer::_mix_step() {
 			case AudioStreamPlaybackListNode::AWAITING_DELETION:
 			case AudioStreamPlaybackListNode::FADE_OUT_TO_DELETION:
 				playback_list.erase(playback, [](AudioStreamPlaybackListNode *p) {
-					if (p->prev_bus_details)
+					if (p->prev_bus_details) {
 						delete p->prev_bus_details;
-					if (p->bus_details)
+					}
+					if (p->bus_details) {
 						delete p->bus_details;
+					}
 					p->stream_playback.unref();
 					delete p;
 				});
diff --git a/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp b/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
index b9c51f5461..5654fd4ca2 100644
--- a/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
+++ b/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
@@ -1042,7 +1042,7 @@ void RenderForwardMobile::_render_uv2(const PagedArray<GeometryInstance *> &p_in
 	RENDER_TIMESTAMP("Render Material");
 
 	{
-		RenderListParameters render_list_params(render_list[RENDER_LIST_SECONDARY].elements.ptr(), render_list[RENDER_LIST_SECONDARY].element_info.ptr(), render_list[RENDER_LIST_SECONDARY].elements.size(), true, pass_mode, rp_uniform_set, true, 0);
+		RenderListParameters render_list_params(render_list[RENDER_LIST_SECONDARY].elements.ptr(), render_list[RENDER_LIST_SECONDARY].element_info.ptr(), render_list[RENDER_LIST_SECONDARY].elements.size(), true, pass_mode, rp_uniform_set, true, false);
 		//regular forward for now
 		Vector<Color> clear = {
 			Color(0, 0, 0, 0),
diff --git a/tests/core/string/test_string.h b/tests/core/string/test_string.h
index e03a71bcb8..0446f749cf 100644
--- a/tests/core/string/test_string.h
+++ b/tests/core/string/test_string.h
@@ -38,8 +38,9 @@
 namespace TestString {
 
 int u32scmp(const char32_t *l, const char32_t *r) {
-	for (; *l == *r && *l && *r; l++, r++)
+	for (; *l == *r && *l && *r; l++, r++) {
 		;
+	}
 	return *l - *r;
 }