Add "run it back" command to continue a practice run after failing a demo.

dcc/doom_base.py

@@ -92,7 +92,7 @@ class WadMap(Wad):
     def name_string(self):
         return "" if self._name is None else "_" + self._name
 
-    def dsda_preamble(self):
+    def dsda_preamble(self, warp=True):
         args = ["-iwad", self.iwad_path]
 
         wads = self.load_order()
@@ -105,6 +105,7 @@ class WadMap(Wad):
 
         args = args + ["-complevel", str(self.complevel())]
         args = args + ["-skill", "4"]
+        if warp:
             args = args + ["-warp", self.map]
         args = args + self.options()
         return args

dcc/rib.py

@@ -0,0 +1,44 @@
+import dcc.doom_base
+import pathlib
+import os
+import subprocess
+import time
+
+
+class RIB(dcc.doom_base.WadMap):
+    def get_parser(self, prog_name):
+        parser = super().get_parser(prog_name)
+        parser.add_argument("-s", "--secs_before", default=10)
+        return parser
+
+    # TODO: the root path should probably be configurable.
+    def take_action(self, parsed_args):
+        demo = ""
+        dt = 0
+        demodir = (
+            pathlib.Path.home() /
+            ".dsda-doom" /
+            "dsda_doom_data" /
+            self.iwad_path.stem.lower()
+        )
+        for w in self.load_order():
+            demodir = demodir.joinpath(w.stem.lower())
+        demodir = demodir / "failed_demos"
+
+        for f in demodir.glob(f"*map{self.map}*", case_sensitive=False):
+            st = os.stat(f)
+            if st.st_mtime > dt:
+                demo = f
+                dt = st.st_mtime
+
+        if demo == "":
+            raise Exception(
+                f"no failed demos found for wad {parsed_args.wad} "
+                + f"and map {parsed_args.map} (tried to look in {demodir})"
+            )
+
+        subprocess.run(
+            [self.dsda] + self.dsda_preamble(warp=False)
+            + ["-playdemo", demo]
+            + ["-skiptic", str(-35 * parsed_args.secs_before)]
+        )

setup.py

@@ -23,6 +23,7 @@ setup(
         'dcc': [
             'play = dcc.play:Play',
             'record = dcc.record:Record',
+            'rib = dcc.rib:RIB',
             'fabricate = dcc.fabricate:Fabricate',
             'put = dcc.put:Put',
             'pb = dcc.pb:PB',