Adding simple cicd.

.github/build.sh

@@ -0,0 +1,3 @@
+pushd src;
+make;
+popd;

.github/test.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+
+# Define the list of demos
+demos="e1m7-607 impfight m1-fast m1-normal m1-simple"
+error=0
+
+# Create the toGround folder if it doesn't exist
+mkdir -p toGround/
+
+# Loop through each demo
+for demo in $demos
+do
+  # Run Chocolate Doom for each demo
+  echo -e "\n\n$(date +"%Y-%m-%d %H:%M:%S") Will OPS-SAT-1 run DOOM?\n" >> toGround/doom.log
+  timestamp=$(date +"%Y%m%d%H%M%S")
+  ./src/bin/opssat-doom -nosound -nomusic -nosfx -nodraw -iwad demos/doom.wad -statdump toGround/${demo}-output-${timestamp}.txt -cdemo demos/${demo} >> toGround/doom.log
+
+  # Check the output
+  if diff toGround/${demo}-output-${timestamp}.txt demos/${demo}.txt; then
+    echo "$(date +"%Y-%m-%d %H:%M:%S") OK - demos/${demo}" >> toGround/summary.log
+  else
+    echo "$(date +"%Y-%m-%d %H:%M:%S") ERROR - demos/${demo}" >> toGround/summary.log
+    error=1
+  fi
+done
+
+echo toGround/summary.log;
+
+# Qapla'
+exit $error

.github/workflows/build.yml

@@ -0,0 +1,17 @@
+name: Build
+
+on: [push, workflow_dispatch]
+
+jobs:
+  build:
+    name: "Ubuntu 22.04"
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Build
+        shell: bash
+        run: ./.github/build.sh
+      - name: Test
+        shell: bash
+        run: ./.github/test.sh

src/doomgeneric_opssat.c

@@ -19,7 +19,7 @@ void DG_Init()
 
 void DG_DrawFrame()
 {
-    if (frames % 500 == 0)
+    if (frames % 50 == 0)
     {
         char* filename = (char*)malloc(24 * sizeof(char));
         sprintf(filename, "output/output%06d.jpg", frames);

src/r_segs.c

@@ -396,7 +396,7 @@ R_StoreWallRange
 
     // calculate rw_distance for scale calculation
     rw_normalangle = curline->angle + ANG90;
-    offsetangle = rw_normalangle-rw_angle1;
+    offsetangle = abs(rw_normalangle-rw_angle1);
 
     if (offsetangle > ANG90)
 	offsetangle = ANG90;