rsx: Refactor texture cache lookup core to be easier to read

rpcs3/Emu/RSX/Common/texture_cache.h

@@ -1869,9 +1869,10 @@ namespace rsx
 				{
 					return{ cached_texture->get_view(remap), cached_texture->get_context(), cached_texture->get_format_class(), scale, cached_texture->get_image_type() };
 				}
+
+				return {};
 			}
-			else
+
-			{
 			// Fast lookup for cyclic reference
 			if (m_rtts.address_is_bound(attr.address)) [[unlikely]]
 			{
@@ -2093,9 +2094,13 @@ namespace rsx
 					return {};
 				}
 
-					if (const auto section_count = result.external_subresource_desc.sections_to_copy.size();
+				const auto section_count = result.external_subresource_desc.sections_to_copy.size();
-						section_count > 0)
+				if (section_count == 0)
 				{
+					// Fail
+					return {};
+				}
+
 				bool result_is_valid;
 				if (_pool == 0 && !g_cfg.video.write_color_buffers && !g_cfg.video.write_depth_buffer)
 				{
@@ -2111,8 +2116,11 @@ namespace rsx
 					result_is_valid = result.atlas_covers_target_area(section_count == 1 ? 99 : 90);
 				}
 
-						if (result_is_valid)
+				if (!result_is_valid)
 				{
+					return {};
+				}
+
 				// Check for possible duplicates
 				usz max_overdraw_ratio = u32{ umax };
 				usz max_safe_sections = u32{ umax };
@@ -2175,9 +2183,6 @@ namespace rsx
 
 				return result;
 			}
-					}
-				}
-			}
 
 			return {};
 		}