--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nuklear_ui/blastem_nuklear.c	Tue Nov 21 19:07:43 2017 -0800
@@ -0,0 +1,158 @@
+#define NK_IMPLEMENTATION
+#define NK_SDL_GLES2_IMPLEMENTATION
+
+#include <stdlib.h>
+#include "blastem_nuklear.h"
+#include "font.h"
+#include "../render.h"
+#include "../render_sdl.h"
+#include "../util.h"
+#include "../paths.h"
+#include "../blastem.h"
+
+static struct nk_context *context;
+
+typedef void (*view_fun)(struct nk_context *);
+static view_fun current_view;
+
+void view_play(struct nk_context *context)
+{
+	
+}
+
+void view_load(struct nk_context *context)
+{
+	static char *current_path;
+	static dir_entry *entries;
+	static size_t num_entries;
+	static uint32_t selected_entry;
+	get_initial_browse_path(&current_path);
+	if (!entries) {
+		entries = get_dir_list(current_path, &num_entries);
+	}
+	uint32_t width = render_width();
+	uint32_t height = render_height();
+	if (nk_begin(context, "Load ROM", nk_rect(0, 0, width, height), 0)) {
+		nk_layout_row_static(context, height - 100, width - 60, 1);
+		if (nk_group_begin(context, "Select ROM", NK_WINDOW_BORDER | NK_WINDOW_TITLE)) {
+			nk_layout_row_static(context, 28, width-100, 1);
+			for (uint32_t i = 0; i < num_entries; i++)
+			{
+				int selected = i == selected_entry;
+				nk_selectable_label(context, entries[i].name, NK_TEXT_ALIGN_LEFT, &selected);
+				if (selected) {
+					selected_entry = i;
+				}
+			}
+			nk_group_end(context);
+		}
+		nk_layout_row_static(context, 52, 300, 1);
+		if (nk_button_label(context, "Open")) {
+			if (entries[selected_entry].is_dir) {
+				char *old = current_path;
+				char const *pieces[] = {old, PATH_SEP, entries[selected_entry].name};
+				current_path = alloc_concat_m(3, pieces);
+				free(old);
+				free_dir_list(entries, num_entries);
+				entries = NULL;
+			} else {
+				//TODO: load ROM
+				current_view = view_play;
+			}
+		}
+		nk_end(context);
+	}
+}
+
+void view_about(struct nk_context *context)
+{
+}
+
+typedef struct {
+	const char *title;
+	view_fun   next_view;
+} menu_item;
+
+static void menu(struct nk_context *context, uint32_t num_entries, const menu_item *items)
+{
+	const uint32_t button_height = 52;
+	const uint32_t ideal_button_width = 300;
+	const uint32_t button_space = 6;
+	
+	uint32_t width = render_width();
+	uint32_t height = render_height();
+	uint32_t top = height/2 - (button_height * num_entries)/2;
+	uint32_t button_width = width > ideal_button_width ? ideal_button_width : width;
+	uint32_t left = width/2 - button_width/2;
+	
+	nk_layout_space_begin(context, NK_STATIC, top + button_height * num_entries, num_entries);
+	for (uint32_t i = 0; i < num_entries; i++)
+	{
+		nk_layout_space_push(context, nk_rect(left, top + i * button_height, button_width, button_height-button_space));
+		if (nk_button_label(context, items[i].title)) {
+			current_view = items[i].next_view;
+			if (!current_view) {
+				exit(0);
+			}
+		}
+	}
+	nk_layout_space_end(context);
+}
+
+void view_menu(struct nk_context *context)
+{
+	static menu_item items[] = {
+		{"Load ROM", view_load},
+		{"About", view_about},
+		{"Exit", NULL}
+	};
+	
+	const uint32_t num_buttons = 3;
+	if (nk_begin(context, "Main Menu", nk_rect(0, 0, render_width(), render_height()), 0)) {
+		menu(context, sizeof(items)/sizeof(*items), items);
+		nk_end(context);
+	}
+}
+
+void blastem_nuklear_render(void)
+{
+	nk_input_end(context);
+	current_view(context);
+	glViewport(0, 0, render_width(), render_height());
+/*	glClear(GL_COLOR_BUFFER_BIT);
+	glClearColor(0, 0, 0, 0);*/
+	nk_sdl_render(NK_ANTI_ALIASING_ON, 512 * 1024, 128 * 1024);
+	//SDL_GL_SwapWindow(render_get_window());
+	nk_input_begin(context);
+}
+
+void idle_loop(void)
+{
+	while (current_view != view_play)
+	{
+		render_update_display();
+	}
+}
+static void handle_event(SDL_Event *event)
+{
+	nk_sdl_handle_event(event);
+}
+
+void blastem_nuklear_init(uint8_t file_loaded)
+{
+	context = nk_sdl_init(render_get_window());
+	
+	struct nk_font_atlas *atlas;
+	nk_sdl_font_stash_begin(&atlas);
+	char *font = default_font_path();
+	if (!font) {
+		fatal_error("Failed to find default font path\n");
+	}
+	struct nk_font *def_font = nk_font_atlas_add_from_file(atlas, font, 30, NULL);
+	nk_sdl_font_stash_end();
+	nk_style_set_font(context, &def_font->handle);
+	current_view = file_loaded ? view_play : view_menu;
+	render_set_ui_render_fun(blastem_nuklear_render);
+	render_set_event_handler(handle_event);
+	idle_loop();
+}