Game loop + fix to Makefile

2 files changed, 48 insertions, 6 deletions

diff --git a/Makefile b/Makefile
index 90e1138..dd1c603 100755
--- a/Makefile
+++ b/Makefile
@@ -31,9 +31,9 @@ all: EUROPA\|XI
 clean:
 	rm -f $(OBJECT) EUROPA\|XI
 
-EUROPA|XI: $(HEADER) | $(OBJECT)
+EUROPA|XI: $(OBJECT)
 	@echo "LD	$@"
-	@${LINK.c} -o "$@" $| library/libraylib.amd64.a $(LDFLAGS)
+	@${LINK.c} -o "$@" $+ library/libraylib.amd64.a $(LDFLAGS)
 
 library/libraylib.amd64.a:
 	@rm -rf /tmp/raylib-5.5_linux_amd64
diff --git a/source/main.c b/source/main.c
index 552b906..d1cb359 100644
--- a/source/main.c
+++ b/source/main.c
@@ -1,12 +1,18 @@
+#include <stdio.h>
+
+#include <stdint.h>
+#include <time.h>
+#include <unistd.h>
+
 #include <raylib.h>
+#include <rlgl.h>
 
 int main (int count, char ** arguments)
 {
   /* :config */
   int horizontal = 1920, vertical = 1080;
 
-  /* this idented (DENTED) style is autistic and dumb but I like it visually */
-  {
+  { /* this idented (DENTED) style is autistic and dumb but I like it visually */
     SetConfigFlags(FLAG_WINDOW_RESIZABLE);
     /* tell raylib to shut up */
     /* SetTraceLogLevel(LOG_NONE); */
@@ -15,9 +21,45 @@ int main (int count, char ** arguments)
     InitAudioDevice();
     SetWindowPosition(0, 0);
   }
-  /* loop to end all loops */
-  {
+    /* :todo ping me I'll update this to a u/f seperated game loop */
+  { /* loop to end all loops */
+    uint64_t frame = 0;
+    /* :config */
+    float    fps = 30;
+    double   wait = wait = 1.0 / fps, Δ = wait;
+    struct timespec start, end;
 
+    clock_gettime(CLOCK_MONOTONIC, &start);
+    ClearWindowState(FLAG_WINDOW_HIDDEN);
+    while (1) {
+      if (Δ > wait) {
+	clock_gettime(CLOCK_MONOTONIC, &start);
+        { /* update */
+	  ++frame;
+	  PollInputEvents();
+	  /* physical keys */
+	  switch (GetKeyPressed()) {
+	    case KEY_Q: goto stop;
+	    case KEY_ESCAPE: goto stop;
+	  }
+	  /* routed keys */
+	  /* switch (GetCharPressed()) { case 'q': goto stop; } */
+	}
+	{ /* draw */
+	  BeginDrawing();
+	  ClearBackground(BLACK);
+	  DrawText(TextFormat("Delta (Δ): %d", Δ), 10, 10, 20, WHITE);
+	  rlDrawRenderBatchActive();
+	  SwapScreenBuffer();
+	}
+      }
+      clock_gettime(CLOCK_MONOTONIC, &end);
+      Δ = (end.tv_sec - start.tv_sec) + (end.tv_nsec - start.tv_nsec) / 1e9;
+      if (Δ < wait) {
+	double should = -(Δ - wait);
+	if (should > 0) { usleep(1e6 * should); }
+      }
+    }
   }
 stop:
   SetWindowState(FLAG_WINDOW_HIDDEN);