Reintroduces the pointer and mouse menu operation.

src/main.c

@@ -62,6 +62,7 @@ static Map		*gMap		= NULL;
 static RoomMatrix	*gRoomMatrix	= NULL;
 static Gui		*gGui		= NULL;
 static SkillBar		*gSkillBar	= NULL;
+static Pointer		*gPointer	= NULL;
 static unsigned int	cLevel		= 1;
 static float		deltaTime	= 1.0;
 static double		renderScale	= 1.0;
@@ -197,6 +198,7 @@ initGame(void)
 	gGui = gui_create(gCamera);
 	gSkillBar = skillbar_create(gRenderer);
 	item_builder_init(gRenderer);
+	gPointer = pointer_create(gRenderer);
 	particle_engine_init();
 	menuTimer = timer_create();
 	actiontextbuilder_init(gRenderer);
@@ -544,6 +546,7 @@ run_game(void)
 		SDL_RenderFillRect(gRenderer, &dimmer);
 		menu_render(inGameMenu, gCamera);
 	}
+	pointer_render(gPointer, gCamera);
 
 	SDL_RenderPresent(gRenderer);
 
@@ -584,6 +587,7 @@ run_menu(void)
 
 	SDL_RenderSetViewport(gRenderer, NULL);
 	menu_render(mainMenu, gCamera);
+	pointer_render(gPointer, gCamera);
 
 	SDL_RenderPresent(gRenderer);
 }
@@ -603,6 +607,7 @@ void run(void)
 
 		quit = handle_events();
 		handle_main_input();
+		pointer_handle_input(gPointer, &input);
 
 		switch (gGameState) {
 			case PLAYING:
@@ -653,6 +658,7 @@ void close(void)
 	roommatrix_destroy(gRoomMatrix);
 	gui_destroy(gGui);
 	skillbar_destroy(gSkillBar);
+	pointer_destroy(gPointer);
 	actiontextbuilder_close();
 	item_builder_close();
 	particle_engine_close();

src/menu.c

@@ -25,6 +25,7 @@
 #include "gui_button.h"
 #include "keyboard.h"
 #include "mixer.h"
+#include "collisions.h"
 
 typedef struct MenuItems_t {
 	Sprite *sprite;
@@ -41,7 +42,7 @@ menu_create(void)
 	return menu;
 }
 
-static void
+static bool
 handle_keyboard_input(Menu *m, Input *input)
 {
 	int lastSelect = -1;
@@ -56,9 +57,9 @@ handle_keyboard_input(Menu *m, Input *input)
 		MenuItem *item = linkedlist_get(&m->items, m->selected);
 		if (item->button->event)
 			item->button->event(item->button->usrdata);
-		return;
+		return true;
 	} else {
-		return;
+		return false;
 	}
 	m->selected = m->selected % linkedlist_size(m->items);
 
@@ -67,12 +68,54 @@ handle_keyboard_input(Menu *m, Input *input)
 
 	((MenuItem*) linkedlist_get(&m->items, lastSelect))->button->hover = false;
 	((MenuItem*) linkedlist_get(&m->items, m->selected))->button->hover = true;
+
+	return false;
+}
+
+static void
+handle_mouse_motion(Menu *m, Input *input)
+{
+	if (!input_mouse_moved(input))
+		return;
+
+	Position p = { input->mouseX, input->mouseY };
+
+	LinkedList *items = m->items;
+	int index = 0;
+	while (items) {
+		MenuItem *item = items->data;
+		items = items->next;
+
+		if (position_in_rect(&p, &item->button->area)) {
+			m->selected = index;
+			break;
+		}
+		index++;
+	}
+
 }
 
 void
 menu_update(Menu *m, Input *input)
 {
-	handle_keyboard_input(m, input);
+	if (handle_keyboard_input(m, input)) {
+		return;
+	}
+	handle_mouse_motion(m, input);
+
+	LinkedList *items = m->items;
+	while (items) {
+		MenuItem *item = items->data;
+		items = items->next;
+
+		Position p = { input->mouseX, input->mouseY };
+		if (position_in_rect(&p, &item->button->area)
+		    && input_mousebutton_is_pressed(input, MBUTTON_LEFT))
+		{
+			item->button->event(NULL);
+			return;
+		}
+	}
 }
 
 void
@@ -99,13 +142,15 @@ menu_render(Menu *m, Camera *cam)
 {
 	LinkedList *items = m->items;
 
+	int index = 0;
 	while (items) {
 		MenuItem *item = items->data;
 		items = items->next;
-		if (item->button->hover)
+		if (m->selected == index)
 			sprite_render(item->hsprite, cam);
 		else
 			sprite_render(item->sprite, cam);
+		index++;
 	}
 
 }