initial commit, basic platform and rendering code.

1 files changed, 76 insertions, 0 deletions

diff --git a/plat.h b/plat.h
new file mode 100644
index 0000000..27d8d0a
--- /dev/null
+++ b/plat.h
@@ -0,0 +1,76 @@
+#ifndef plat_h
+#define plat_h
+
+#include "error.h"
+
+struct Heap;
+
+#ifdef assert
+#undef assert
+#endif
+
+#define assert(expr) \
+	imp_assert( \
+		expr, \
+		#expr, \
+		__FILE__, \
+		__LINE__ \
+	)
+
+int imp_assert(
+	int val,
+	const char* expr,
+	const char* file,
+	int line
+);
+
+void print(const char* fmt, ...);
+void print_err(const char* fmt, ...);
+void print_war(const char* fmt, ...);
+void pbreak(Error code);
+
+typedef struct {
+	int mpf;
+	int fps;
+	unsigned long pt, ct;
+	unsigned long now, next;
+} FPS;
+
+void init_fps(FPS* f, int mpf);
+void fps_begin(FPS* f);
+void fps_end(FPS* f);
+void fps_update(FPS* f);
+
+typedef enum {
+	btn_unknown,
+	btn_left,
+	btn_right,
+	btn_up,
+	btn_down,
+	btn_shoot,
+	btn_jump,
+	btn_start,
+	btn_count
+} Btn;
+
+typedef enum {
+	btn_state_pressed       = 1 << 0,
+	btn_state_just_pressed  = 1 << 1,
+	btn_state_just_released = 1 << 2
+} Key_State;
+
+typedef struct App {
+	int o, s;
+	int fps;
+	Error err;
+	unsigned* fb;
+	struct Heap* heap;
+	unsigned char btn_states[btn_count];
+} App;
+
+App* new_app(struct Heap* mem, const char* n);
+void deinit_app(App* a);
+void app_begin(App* a);
+void app_end(App* a);
+
+#endif