WIP: Getting some of the math sorted out and setting up tick_frametime

code2/sectr/state.odin

@@ -6,5 +6,76 @@ package sectr
 @(thread_local) thread: ^ThreadMemory
 //endregion STATIC MEMORy
 
-State :: struct {
+MemoryConfig :: struct {
+	reserve_persistent : uint,
+	reserve_frame      : uint,
+	reserve_transient  : uint,
+	reserve_filebuffer : uint,
+
+	commit_initial_persistent : uint,
+	commit_initial_frame      : uint,
+	commit_initial_transient  : uint,
+	commit_initial_filebuffer : uint,
 }
+
+// All nobs available for this application
+AppConfig :: struct {
+	using memory : MemoryConfig,
+
+	resolution_width  : uint,
+	resolution_height : uint,
+	refresh_rate      : uint,
+
+	cam_min_zoom                 : f32,
+	cam_max_zoom                 : f32,
+	cam_zoom_mode                : CameraZoomMode,
+	cam_zoom_smooth_snappiness   : f32,
+	cam_zoom_sensitivity_smooth  : f32,
+	cam_zoom_sensitivity_digital : f32,
+	cam_zoom_scroll_delta_scale  : f32,
+
+	engine_refresh_hz : uint,
+
+	timing_fps_moving_avg_alpha : f32,
+
+	ui_resize_border_width : f32,
+
+	// color_theme : AppColorTheme,
+
+	text_snap_glyph_shape_position : b32,
+	text_snap_glyph_render_height  : b32,
+	text_size_screen_scalar        : f32,
+	text_size_canvas_scalar        : f32,
+	text_alpha_sharpen             : f32,
+}
+
+FrameTime :: struct {
+	sleep_is_granular : b32,
+
+	current_frame : u64,
+	delta_seconds : f64,
+	delta_ms      : f64,
+	delta_ns      : Duration,
+	target_ms     : f64,
+	elapsed_ms    : f64,
+	avg_ms        : f64,
+	fps_avg       : f64,
+}
+
+State :: struct {
+	config: AppConfig,
+
+	// Overall frametime of the tick frame (currently main thread's)
+	using frametime : FrameTime,
+}
+
+ThreadState :: struct {
+	delta_seconds: f64,
+	delta_ms:      f64,
+	delta_ns:      Duration,
+	elapsed_ms:    f64,
+	avg_ms:        f64,
+}
+
+app_config    :: #force_inline proc "contextless" () -> AppConfig     { return memory.client_memory.config }
+get_frametime :: #force_inline proc "contextless" () -> FrameTime     { return memory.client_memory.frametime }