Initial commit

1 files changed, 51 insertions, 0 deletions

diff --git a/teensy/context.c b/teensy/context.c
new file mode 100644
index 0000000..7095fe3
--- /dev/null
+++ b/teensy/context.c
@@ -0,0 +1,51 @@
+#include "context.h"
+#include "renderer.h"
+
+#include <math.h>
+
+#include "platform.h"
+
+struct ty_ctx ctx;
+extern struct ty_renderer r;
+
+void ty_init(struct ty_creation_hints creation_hints)
+{
+    ty_init_mem();
+
+    ctx.creation_hints = creation_hints;
+    ctx.ticrate        = 1.0 / creation_hints.ticrate;
+    ctx.prev_tic_ts    = 0;
+
+    ty_platform_init(&ctx);
+    ty_init_renderer();
+}
+
+void ty_deinit(void)
+{
+    ty_platform_deinit();
+    ty_deinit_renderer();
+    ty_deinit_mem();
+}
+
+bool ty_is_game_running(void)
+{
+    return !ty_platform_os_wants_quit();
+}
+
+double ty_get_time(void)
+{
+    return ty_platform_get_time();
+}
+
+int ty_tick(void)
+{
+    double current_time   = ty_get_time();
+    double time_since_tic = current_time - ctx.prev_tic_ts;
+
+    int tics = time_since_tic / ctx.ticrate;
+    if (tics > 0) {
+        ctx.prev_tic_ts = current_time;
+        ty_platform_frame(r.screen);
+    }
+    return tics;
+}