Started writing menus

Everything is pretty broken right now.

CMakeLists.txt

@@ -71,6 +71,7 @@ add_executable(breakhack
 	src/pointer
 	src/gui_button
 	src/particle_engine
+	src/menu
 	)
 
 target_link_libraries(breakhack

src/main.c

@@ -19,6 +19,7 @@
 #include "pointer.h"
 #include "gui_button.h"
 #include "particle_engine.h"
+#include "menu.h"
 
 static SDL_Window	*gWindow	= NULL;
 static SDL_Renderer	*gRenderer	= NULL;
@@ -30,6 +31,7 @@ static Pointer		*gPointer	= NULL;
 static unsigned int	cLevel		= 1;
 static float		deltaTime	= 1.0;
 static double		renderScale	= 1.0;
+static Menu		*mainMenu	= NULL;
 static GameState	gGameState;
 static Camera		gCamera;
 static SDL_Rect		gameViewport;
@@ -115,38 +117,86 @@ initViewports(void)
 		RIGHT_GUI_WIDTH, RIGHT_GUI_HEIGHT };
 }
 
-static
-bool initGame(void)
+static bool
+initGame(void)
 {
-	gMap = map_lua_generator_run(cLevel, gRenderer);
+	initViewports();
+	gCamera.renderer = gRenderer;
+	gRoomMatrix = roommatrix_create();
+	gGui = gui_create(gRenderer);
+	item_builder_init(gRenderer);
+	gPointer = pointer_create(gRenderer);
+	particle_engine_init();
 
 	return true;
 }
 
-static
-bool init(void)
+static void
+initMainMenu(void)
+{
+	static SDL_Color C_WHITE	= { 255, 255, 255, 0 };
+	static SDL_Color C_RED		= { 255, 0, 0, 0 };
+
+	struct MENU_ITEM {
+		char label[20];
+		void (*callback)(void);
+	};
+	struct MENU_ITEM menu_items[] = {
+		{ "PLAY", NULL },
+		{ "QUIT", NULL },
+	};
+
+	mainMenu = menu_create();
+
+	for (unsigned int i = 0; i < 2; ++i) {
+		Sprite *s1 = sprite_create();
+		sprite_load_text_texture(s1, "assets/GUI/SDS_8x8.ttf", 0, 14);
+		texture_load_from_text(s1->textures[0], menu_items[i].label,
+				       C_WHITE, gRenderer);
+		s1->pos = (Position) { 200, 100 + (i*50) };
+		s1->fixed = true;
+
+		Sprite *s2 = sprite_create();
+		sprite_load_text_texture(s2, "assets/GUI/SDS_8x8.ttf", 0, 14);
+		texture_load_from_text(s2->textures[0], menu_items[i].label,
+				       C_RED, gRenderer);
+		s2->pos = (Position) { 200, 100 + (i*50) };
+		s2->fixed = true;
+
+		menu_item_add(mainMenu, s1, s2);
+	}
+}
+
+static void
+resetGame(void)
+{
+	if (gMap)
+		map_destroy(gMap);
+
+	info("Building new map");
+	gMap = map_lua_generator_run(++cLevel, gRenderer);
+	gPlayer->sprite->pos = (Position) {
+		TILE_DIMENSION, TILE_DIMENSION };
+	gCamera.pos = (Position) { 0, 0 };
+}
+
+static bool
+init(void)
 {
 	bool result = true;
 	result = result && initSDL();
 	result = result && initGame();
-	if (result) {
-		initViewports();
-		gCamera.pos = (Position) { 0, 0 };
-		gCamera.renderer = gRenderer;
-		gRoomMatrix = roommatrix_create();
-		gGui = gui_create(gRenderer);
-		item_builder_init(gRenderer);
-		gPointer = pointer_create(gRenderer);
-		particle_engine_init();
-	}
+	initMainMenu();
 
-	gGameState = PLAYING;
+	gCamera.pos = (Position) { 0, 0 };
+
+	gGameState = MENU;
 
 	return result;
 }
 
-static
-void loadMedia(void)
+static void
+loadMedia(void)
 {
 	gPlayer = player_create(WARRIOR, gRenderer);
 }
@@ -166,8 +216,10 @@ bool handle_events(void)
 					      &event);
 			camera_follow_position(&gCamera, &gPlayer->sprite->pos);
 			map_set_current_room(gMap, &gPlayer->sprite->pos);
+			roommatrix_handle_event(gRoomMatrix, &event);
+		} else if (gGameState == MENU) {
+			menu_handle_event(mainMenu, &event);
 		}
-		roommatrix_handle_event(gRoomMatrix, &event);
 		pointer_handle_event(gPointer, &event);
 	}
 
@@ -196,11 +248,7 @@ check_next_level(void)
 		return;
 	}
 	if (tile->levelExit) {
-		info("Building new map");
-		map_destroy(gMap);
-		gMap = map_lua_generator_run(++cLevel, gRenderer);
-		gPlayer->sprite->pos = (Position) {
-			TILE_DIMENSION, TILE_DIMENSION };
+		resetGame();
 	}
 }
 
@@ -255,6 +303,16 @@ run_game(void)
 	check_next_level();
 }
 
+static void
+run_menu(void)
+{
+	SDL_RenderClear(gRenderer);
+	SDL_RenderSetViewport(gRenderer, NULL);
+	menu_render(mainMenu, &gCamera);
+	pointer_render(gPointer, &gCamera);
+	SDL_RenderPresent(gRenderer);
+}
+
 static
 void run(void)
 {
@@ -277,7 +335,7 @@ void run(void)
 				run_game();
 				break;
 			case MENU:
-				fatal("MENU not implemented");
+				run_menu();
 				break;
 			case IN_GAME_MENU:
 				fatal("IN_GAME_MENU not implemented");

src/menu.c

@@ -0,0 +1,73 @@
+#include <stdbool.h>
+#include "menu.h"
+#include "util.h"
+#include "sprite.h"
+#include "defines.h"
+
+typedef struct MenuItems_t {
+	Sprite *sprite;
+	Sprite *hsprite;
+	bool selected;
+	void (*onClick)(void);
+} MenuItem;
+
+Menu *
+menu_create(void)
+{
+	Menu *menu = ec_malloc(sizeof(Menu));
+	menu->items = linkedlist_create();
+	menu->selected = 0;
+	return menu;
+}
+
+void
+menu_handle_event(Menu *m, SDL_Event *event)
+{
+	if (event->type != SDL_KEYDOWN && event->type != SDL_MOUSEMOTION) {
+		return;
+	}
+	error("Menu events need implementation still");
+	UNUSED(m);
+}
+
+void
+menu_item_add(Menu *m, Sprite *s1, Sprite *s2)
+{
+	MenuItem *item = ec_malloc(sizeof(MenuItem));
+	item->sprite = s1;
+	item->hsprite = s2;
+	item->selected = false;
+	item->onClick = NULL;
+	linkedlist_append(&m->items, item);
+}
+
+void
+menu_render(Menu *m, Camera *cam)
+{
+	LinkedList *items = m->items;
+
+	while (items) {
+		MenuItem *item = items->data;
+		sprite_render(item->sprite, cam);
+		items = items->next;
+	}
+}
+
+static void
+menu_item_destroy(MenuItem *item)
+{
+	sprite_destroy(item->sprite);
+	free(item);
+}
+
+void
+menu_destroy(Menu *m)
+{
+	LinkedList *items = m->items;
+	while (items) {
+		menu_item_destroy(items->data);
+		items = items->next;
+	}
+	free(m);
+}
+

src/menu.h

@@ -0,0 +1,30 @@
+#ifndef MENU_H_
+#define	MENU_H_
+
+#include <SDL2/SDL.h>
+#include "camera.h"
+#include "linkedlist.h"
+#include "texture.h"
+#include "sprite.h"
+
+typedef struct Menu_t {
+	LinkedList *items;
+	unsigned int selected;
+} Menu;
+
+Menu *
+menu_create(void);
+
+void
+menu_handle_event(Menu*, SDL_Event*);
+
+void
+menu_item_add(Menu*, Sprite*, Sprite*);
+
+void
+menu_render(Menu*, Camera*);
+
+void
+menu_destroy(Menu*);
+
+#endif // MENU_H_

src/texture.c

@@ -107,16 +107,9 @@ texture_render(Texture *texture, Position *p, Camera *cam)
 		texture->dim.height
 	};
 
-	SDL_Rect clip = (SDL_Rect) {
-		0,
-		0,
-		texture->dim.width,
-		texture->dim.height
-	};
-
 	SDL_RenderCopy(cam->renderer,
 		       texture->texture,
-		       &clip,
+		       NULL,
 		       &draw_box);
 }