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godotengine
GitHub Repository: godotengine/godot
 Path: blob/master/core/input/input_builders.py
9903 views
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"""Functions used to generate source files during build time"""

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from collections import OrderedDict

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import methods

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def make_default_controller_mappings(target, source, env):

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    with methods.generated_wrapper(str(target[0])) as file:

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        file.write("""\

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#include "core/input/default_controller_mappings.h"

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#include "core/typedefs.h"

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""")

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        # ensure mappings have a consistent order

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        platform_mappings = OrderedDict()

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        for src_path in map(str, source):

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            with open(src_path, "r", encoding="utf-8") as f:

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                # read mapping file and skip header

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                mapping_file_lines = f.readlines()[2:]

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            current_platform = None

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            for line in mapping_file_lines:

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                if not line:

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                    continue

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                line = line.strip()

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                if len(line) == 0:

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                    continue

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                if line[0] == "#":

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                    current_platform = line[1:].strip()

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                    if current_platform not in platform_mappings:

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                        platform_mappings[current_platform] = {}

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                elif current_platform:

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                    line_parts = line.split(",")

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                    guid = line_parts[0]

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                    if guid in platform_mappings[current_platform]:

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                        file.write(

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                            "// WARNING: DATABASE {} OVERWROTE PRIOR MAPPING: {} {}\n".format(

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                                src_path, current_platform, platform_mappings[current_platform][guid]

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                            )

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                        )

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                    platform_mappings[current_platform][guid] = line

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        PLATFORM_VARIABLES = {

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            "Linux": "LINUXBSD",

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            "Windows": "WINDOWS",

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            "Mac OS X": "MACOS",

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            "Android": "ANDROID",

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            "iOS": "APPLE_EMBEDDED",

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            "Web": "WEB",

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        }

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        file.write("const char *DefaultControllerMappings::mappings[] = {\n")

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        for platform, mappings in platform_mappings.items():

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            variable = PLATFORM_VARIABLES[platform]

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            file.write(f"#ifdef {variable}_ENABLED\n")

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            for mapping in mappings.values():

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                file.write(f'\t"{mapping}",\n')

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            file.write(f"#endif // {variable}_ENABLED\n")

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        file.write("\tnullptr\n};\n")

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