Prepare for simple TIM conversion

src/Tools/Tests/Test.mk

@@ -7,6 +7,6 @@ test_cpp_out: always
 
 test_jaby_engine_fconv: always
 	@cargo build --manifest-path ../jaby_engine_fconv/Cargo.toml --release
-	@./../jaby_engine_fconv/target/release/jaby_engine_fconv
+	@./../jaby_engine_fconv/target/release/jaby_engine_fconv --help
 
 always: ;

src/Tools/jaby_engine_fconv/src/images/mod.rs

@@ -0,0 +1 @@
+pub mod reduced_tim;

src/Tools/jaby_engine_fconv/src/images/reduced_tim/mod.rs

@@ -0,0 +1,19 @@
+use clap::{Args, ValueEnum};
+use tool_helper::{Input, Output};
+
+#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, ValueEnum)]
+pub enum ColorDepth {
+    Clut4,
+    Clut8,
+    Full16,
+}
+
+#[derive(Args)]
+pub struct Arguments {
+    #[clap(arg_enum, value_parser)]
+    color_depth: ColorDepth
+}
+
+pub fn convert(_input: Input, _output: Output) {
+    println!("Bin ein Planschbecken!");
+}

src/Tools/jaby_engine_fconv/src/lib.rs

@@ -1,8 +1 @@
-#[cfg(test)]
-mod tests {
-    #[test]
-    fn it_works() {
-        let result = 2 + 2;
-        assert_eq!(result, 4);
-    }
-}
+pub mod images;

src/Tools/jaby_engine_fconv/src/main.rs

@@ -1,3 +1,28 @@
+use jaby_engine_fconv::images::{*};
+use clap::{Parser, Subcommand};
+use std::path::PathBuf;
+
+#[derive(Parser)]
+#[clap(about = "Converts files to various JabyEngine related file formats", long_about = None)]
+struct CommandLine {
+    #[clap(short='o')]
+    output_file: Option<PathBuf>,
+
+    #[clap(value_parser)]
+    input_file: Option<PathBuf>,
+
+    #[clap(subcommand)]
+    sub_command: SubCommands,
+}
+
+#[derive(Subcommand)]
+enum SubCommands {
+    SimpleTIM(reduced_tim::Arguments)
+}
+
 fn main() {
-    println!("Blubb!");
+    match CommandLine::try_parse() {
+        Ok(_cmd)   => println!("Planschbecken"),
+        Err(error) => println!("{}", error.to_string())
+    } 
 }