Adds skill return countdown.

Also removes ability to wall-bonk exploit the countdowns.

src/particle_engine.c

@@ -152,8 +152,12 @@ void
 particle_engine_speed_lines(Position pos, Dimension dim, bool horizontal)
 {
 	static SDL_Color color = { 0, 0, 255, 200 };
+	unsigned int count = (unsigned int) (dim.width + dim.height) / 2;
 
-	for (unsigned int i = 0; i < 150; ++i) {
+	if (dim.width == 0 || dim.height == 0)
+		return;
+
+	for (unsigned int i = 0; i < count; ++i) {
 		int x, y;
 		unsigned int lt;
 		Particle *p;

src/player.c

@@ -77,6 +77,20 @@ player_gain_xp(Player *player, unsigned int xp_gain)
 	}
 }
 
+static void
+player_step(Player *p)
+{
+	p->total_steps++;
+	p->steps++;
+	p->missText->pos = p->sprite->pos;
+	p->hitText->pos = p->sprite->pos;
+
+	for (size_t i = 0; i < PLAYER_SKILL_COUNT; ++i) {
+		if (p->skills[i] != NULL && p->skills[i]->resetCountdown > 0)
+			p->skills[i]->resetCountdown--;
+	}
+}
+
 static bool 
 has_collided(Player *player, RoomMatrix *matrix)
 {
@@ -115,6 +129,8 @@ has_collided(Player *player, RoomMatrix *matrix)
 
 		player_monster_kill_check(player, space->monster);
 
+		player_step(player);
+
 	} else if (collided) {
 		mixer_play_effect(BONK);
 		gui_log("Ouch! There is something in the way");
@@ -132,29 +148,15 @@ has_collided(Player *player, RoomMatrix *matrix)
 	return collided;
 }
 
-static void
-player_step(Player *p)
-{
-	p->total_steps++;
-	p->steps++;
-	p->missText->pos = p->sprite->pos;
-	p->hitText->pos = p->sprite->pos;
-
-	for (size_t i = 0; i < PLAYER_SKILL_COUNT; ++i) {
-		if (p->skills[i] != NULL && p->skills[i]->resetCountdown > 0)
-			p->skills[i]->resetCountdown--;
-	}
-}
-
 static void
 move_left(Player *player, RoomMatrix *matrix)
 {
 	player->sprite->clip.y = 16;
 	player->sprite->pos.x -= TILE_DIMENSION;
-	if (has_collided(player, matrix)) {
+	if (has_collided(player, matrix))
 		player->sprite->pos.x += TILE_DIMENSION;
-	}
+	else
-	player_step(player);
+		player_step(player);
 }
 
 static void
@@ -162,10 +164,10 @@ move_right(Player *player, RoomMatrix *matrix)
 {
 	player->sprite->clip.y = 32;
 	player->sprite->pos.x += TILE_DIMENSION;
-	if (has_collided(player, matrix)) {
+	if (has_collided(player, matrix))
 		player->sprite->pos.x -= TILE_DIMENSION;
-	}
+	else
-	player_step(player);
+		player_step(player);
 }
 
 static void
@@ -173,10 +175,10 @@ move_up(Player *player, RoomMatrix *matrix)
 {
 	player->sprite->clip.y = 48;
 	player->sprite->pos.y -= TILE_DIMENSION;
-	if (has_collided(player, matrix)) {
+	if (has_collided(player, matrix))
 		player->sprite->pos.y += TILE_DIMENSION;
-	}
+	else
-	player_step(player);
+		player_step(player);
 }
 
 static void
@@ -184,10 +186,10 @@ move_down(Player *player, RoomMatrix *matrix)
 {
 	player->sprite->clip.y = 0;
 	player->sprite->pos.y += TILE_DIMENSION;
-	if (has_collided(player, matrix)) {
+	if (has_collided(player, matrix))
 		player->sprite->pos.y -= TILE_DIMENSION;
-	}
+	else
-	player_step(player);
+		player_step(player);
 }
 
 void

src/skill.c

@@ -147,6 +147,8 @@ create_sip_health(void)
 static bool
 skill_charge(Skill *skill, SkillData *data)
 {
+	UNUSED(skill);
+
 	Player *player = data->player;
 	RoomMatrix *matrix = data->matrix;
 

src/skillbar.c

@@ -47,6 +47,19 @@ load_texture(SkillBar *bar, const char *path, SDL_Renderer *renderer)
 	}
 }
 
+static void
+load_countdown_sprites(SkillBar *bar)
+{
+	for (int i = 0; i < PLAYER_SKILL_COUNT; ++i) {
+		Sprite *s = sprite_create();
+		sprite_load_text_texture(s, "GUI/SDS_8x8.ttf", 0, 16);
+		s->fixed = true;
+		s->pos = (Position) { 8 + (32 * i), 8 };
+		s->dim = (Dimension) { 16, 16 };
+		bar->countdowns[i] = s;
+	}
+}
+
 SkillBar *
 skillbar_create(SDL_Renderer *renderer)
 {
@@ -55,6 +68,7 @@ skillbar_create(SDL_Renderer *renderer)
 	bar->activationTimer = timer_create();
 	bar->lastActivation = 0;
 	load_texture(bar, "GUI/GUI0.png", renderer);
+	load_countdown_sprites(bar);
 	return bar;
 }
 
@@ -113,6 +127,18 @@ render_activation_indicator(SkillBar *bar, Camera *cam)
 	SDL_RenderDrawRect(cam->renderer, &square);
 }
 
+static void
+render_skill_countdown(SkillBar *bar, int index, unsigned int count, Camera *cam)
+{
+	static SDL_Color color = { 255, 255, 255, 255 };
+	char buffer[5];
+	Sprite *s = bar->countdowns[index];
+
+	m_sprintf(buffer, 5, "%u", count);
+	texture_load_from_text(s->textures[0], buffer, color, cam->renderer);
+	sprite_render(s, cam);
+}
+
 static void
 render_skills(Player *player, Camera *cam)
 {
@@ -131,16 +157,11 @@ render_skills(Player *player, Camera *cam)
 			SDL_SetRenderDrawColor(cam->renderer, 0, 0, 255, 100);
 			SDL_RenderFillRect(cam->renderer, &activeSkillBox);
 		}
-		if (player->skills[i]->resetCountdown > 0) {
-			activeSkillBox.x = i * 32;
-			SDL_SetRenderDrawColor(cam->renderer, 255, 0, 0, 100);
-			SDL_RenderFillRect(cam->renderer, &activeSkillBox);
-		}
 	}
 }
 
 static void
-render_skill_unavailable(Player *player, Camera *cam)
+render_skill_unavailable(SkillBar *bar, Player *player, Camera *cam)
 {
 	static SDL_Rect unavailableSkillBox = { 0, 0, 32, 32 };
 
@@ -152,6 +173,7 @@ render_skill_unavailable(Player *player, Camera *cam)
 			unavailableSkillBox.x = i * 32;
 			SDL_SetRenderDrawColor(cam->renderer, 255, 0, 0, 70);
 			SDL_RenderFillRect(cam->renderer, &unavailableSkillBox);
+			render_skill_countdown(bar, i, player->skills[i]->resetCountdown, cam);
 		}
 	}
 }
@@ -162,7 +184,7 @@ skillbar_render(SkillBar *bar, Player *player, Camera *cam)
 	render_frame(cam);
 	render_skills(player, cam);
 	render_sprites(bar, cam);
-	render_skill_unavailable(player, cam);
+	render_skill_unavailable(bar, player, cam);
 	render_activation_indicator(bar, cam);
 }
 

src/skillbar.h

@@ -27,6 +27,7 @@
 
 typedef struct SkillBar_t {
 	LinkedList *sprites;
+	Sprite *countdowns[PLAYER_SKILL_COUNT];
 	Timer *activationTimer;
 	unsigned int lastActivation;
 } SkillBar;