From 88e367a4066773a6fbfe2ea25dc2e81d2035d791 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ignacio=20Rold=C3=A1n=20Etcheverry?=
 <ignalfonsore@gmail.com>
Date: Tue, 28 Dec 2021 23:25:16 +0100
Subject: C#/netcore: Add base desktop game export implementation

This base implementation is still very barebones but it defines the path
for how exporting will work (at least when embedding the .NET runtime).

Many manual steps are still needed, which should be automatized in the
future. For example, in addition to the API assemblies, now you also
need to copy the GodotPlugins assembly to each game project.
---
 modules/mono/utils/path_utils.cpp | 31 +++++++++++++++++++++++++++++++
 modules/mono/utils/path_utils.h   |  2 ++
 2 files changed, 33 insertions(+)

(limited to 'modules/mono/utils')

diff --git a/modules/mono/utils/path_utils.cpp b/modules/mono/utils/path_utils.cpp
index a1905dfcfe..19ad59a1bc 100644
--- a/modules/mono/utils/path_utils.cpp
+++ b/modules/mono/utils/path_utils.cpp
@@ -51,6 +51,37 @@
 
 namespace path {
 
+String find_executable(const String &p_name) {
+#ifdef WINDOWS_ENABLED
+	Vector<String> exts = OS::get_singleton()->get_environment("PATHEXT").split(ENV_PATH_SEP, false);
+#endif
+	Vector<String> env_path = OS::get_singleton()->get_environment("PATH").split(ENV_PATH_SEP, false);
+
+	if (env_path.is_empty()) {
+		return String();
+	}
+
+	for (int i = 0; i < env_path.size(); i++) {
+		String p = path::join(env_path[i], p_name);
+
+#ifdef WINDOWS_ENABLED
+		for (int j = 0; j < exts.size(); j++) {
+			String p2 = p + exts[j].to_lower(); // lowercase to reduce risk of case mismatch warning
+
+			if (FileAccess::exists(p2)) {
+				return p2;
+			}
+		}
+#else
+		if (FileAccess::exists(p)) {
+			return p;
+		}
+#endif
+	}
+
+	return String();
+}
+
 String cwd() {
 #ifdef WINDOWS_ENABLED
 	const DWORD expected_size = ::GetCurrentDirectoryW(0, nullptr);
diff --git a/modules/mono/utils/path_utils.h b/modules/mono/utils/path_utils.h
index 9a2c757361..d1c3d3ccfd 100644
--- a/modules/mono/utils/path_utils.h
+++ b/modules/mono/utils/path_utils.h
@@ -36,6 +36,8 @@
 
 namespace path {
 
+String find_executable(const String &p_name);
+
 String join(const String &p_a, const String &p_b);
 String join(const String &p_a, const String &p_b, const String &p_c);
 String join(const String &p_a, const String &p_b, const String &p_c, const String &p_d);
-- 
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