Add a basic tutorial

1 files changed, 51 insertions, 3 deletions

diff --git a/game.c b/game.c
index dfe83b9..4c6e6bf 100644
--- a/game.c
+++ b/game.c
@@ -20,6 +20,15 @@ void gameplay_new(Game* game) {
 	init_waver(&world->waver);
 	world->gmemory = gmemory_max;
 
+	if (game->first) {
+		game->display_wave_text = 1;
+		game->display_tutorial = 500;
+		game->first = 0;
+	} else {
+		game->display_wave_text = 0;
+		game->display_tutorial = 0;
+	}
+
 	set_song(song_main);
 }
 
@@ -124,11 +133,15 @@ static void menu_deinit(Game* game) {
 }
 
 static void gameplay_init(Game* game) {
-	start_wave(&game->world);
+	if (!game->display_tutorial) {
+		start_wave(&game->world);
+	}
 
 	game->want_next = 0;
 	game->wave_timer = 0;
-	game->display_wave_text = 100;
+	if (!game->display_wave_text) {
+		game->display_wave_text = 100;
+	}
 }
 
 static void render_hud(Game* game) {
@@ -203,7 +216,9 @@ static void gameplay_update(Game* game) {
 
 	font = get_default_font();
 
-	update_waver(&world->waver, world);
+	if (world->wave_started) {
+		update_waver(&world->waver, world);
+	}
 	ec = wave_enemy_count(&world->waver);
 
 	if (
@@ -251,6 +266,38 @@ static void gameplay_update(Game* game) {
 		game->display_wave_text--;
 	}
 
+	if (game->display_tutorial) {
+		col = make_colour(0x7f8dcf, 255);
+		rfont_text_col(
+			font,
+			renderer_w / 2 - 115,
+			renderer_h - 50,
+			"Arrows/D-pad ~ Movement",
+			col
+		);
+		rfont_text_col(
+			font,
+			renderer_w / 2 - 115,
+			renderer_h - 40,
+			"           X ~ Shoot",
+			col
+		);
+		col = make_colour(0xa7a6c1, 255);
+		rfont_text_col(
+			font,
+			renderer_w / 2 - 135,
+			renderer_h - 25,
+			"Kill them; they use memory!",
+			col
+		);
+		game->display_tutorial--;
+
+		if (!game->display_tutorial) {
+			game->display_wave_text = 100;
+			start_wave(world);
+		}
+	}
+
 	game->wave_timer++;
 
 	render_hud(game);
@@ -502,6 +549,7 @@ void game_init(Game* game, Game_State state) {
 	game->state = state;
 	game->fns = get_state_fns(state);
 	game->fns->state_init(game);
+	game->first = 1;
 }
 
 void game_update(Game* game) {