1 files changed, 37 insertions, 0 deletions

diff --git a/src/app.h b/src/app.h
new file mode 100644
index 0000000..8edbe58
--- /dev/null
+++ b/src/app.h
@@ -0,0 +1,37 @@
+#ifndef MIC_APP_H
+#define MIC_APP_H
+
+#include "shorthand.h"
+#include "platform.h"
+
+#define LT_MEMORY_SIZE GB(2)
+#define ST_MEMORY_SIZE MB(100)
+
+typedef struct AppState {
+    // Long and short term memory.
+    char *lt_memory;
+    char *st_memory;
+} AppState;
+
+// Function pointers for the AppAPI.
+typedef struct AppAPI {
+    // Initialization code. Meant to be called exactly once before other API
+    // interactions. Returns the success or failure of the initialization
+    // process.
+    bool (*init)(AppState *state, PlatformAPI platform);
+
+    // Resource deallocation and cleanup. Meant to be called exactly once at the
+    // end of the app.
+    void (*destroy)(AppState *state, PlatformAPI platform);
+
+    // In case of hot code reloading, these functions handle the necessary
+    // resource setup and reloading.
+    void (*reload)(AppState *state, PlatformAPI platform);
+    void (*unload)(AppState *state, PlatformAPI platform);
+
+    // Main update/step function for the app. Returns if the app should keep
+    // running.
+    bool (*step)(AppState *state, PlatformAPI platform);
+} AppAPI;
+
+#endif // MIC_APP_H