1 files changed, 73 insertions, 0 deletions
diff --git a/core/input/input_builders.py b/core/input/input_builders.py
new file mode 100644
index 0000000000..ca142c0c80
--- /dev/null
+++ b/core/input/input_builders.py
@@ -0,0 +1,73 @@
+"""Functions used to generate source files during build time
+
+All such functions are invoked in a subprocess on Windows to prevent build flakiness.
+"""
+
+from platform_methods import subprocess_main
+from collections import OrderedDict
+
+
+def make_default_controller_mappings(target, source, env):
+    dst = target[0]
+    g = open(dst, "w")
+
+    g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
+    g.write("#include \"core/typedefs.h\"\n")
+    g.write("#include \"core/input/default_controller_mappings.h\"\n")
+
+    # ensure mappings have a consistent order
+    platform_mappings = OrderedDict()
+    for src_path in source:
+        with open(src_path, "r") as f:
+            # read mapping file and skip header
+            mapping_file_lines = f.readlines()[2:]
+
+        current_platform = None
+        for line in mapping_file_lines:
+            if not line:
+                continue
+            line = line.strip()
+            if len(line) == 0:
+                continue
+            if line[0] == "#":
+                current_platform = line[1:].strip()
+                if current_platform not in platform_mappings:
+                    platform_mappings[current_platform] = {}
+            elif current_platform:
+                line_parts = line.split(",")
+                guid = line_parts[0]
+                if guid in platform_mappings[current_platform]:
+                    g.write("// WARNING - DATABASE {} OVERWROTE PRIOR MAPPING: {} {}\n".format(src_path, current_platform, platform_mappings[current_platform][guid]))
+                valid_mapping = True
+                for input_map in line_parts[2:]:
+                    if "+" in input_map or "-" in input_map or "~" in input_map:
+                        g.write("// WARNING - DISCARDED UNSUPPORTED MAPPING TYPE FROM DATABASE {}: {} {}\n".format(src_path, current_platform, line))
+                        valid_mapping = False
+                        break
+                if valid_mapping:
+                    platform_mappings[current_platform][guid] = line
+
+    platform_variables = {
+        "Linux": "#if X11_ENABLED",
+        "Windows": "#ifdef WINDOWS_ENABLED",
+        "Mac OS X": "#ifdef OSX_ENABLED",
+        "Android": "#if defined(__ANDROID__)",
+        "iOS": "#ifdef IPHONE_ENABLED",
+        "Javascript": "#ifdef JAVASCRIPT_ENABLED",
+        "UWP": "#ifdef UWP_ENABLED",
+    }
+
+    g.write("const char* DefaultControllerMappings::mappings[] = {\n")
+    for platform, mappings in platform_mappings.items():
+        variable = platform_variables[platform]
+        g.write("{}\n".format(variable))
+        for mapping in mappings.values():
+            g.write("\t\"{}\",\n".format(mapping))
+        g.write("#endif\n")
+
+    g.write("\tNULL\n};\n")
+    g.close()
+
+
+if __name__ == '__main__':
+    subprocess_main(globals())