Began designing/writing gui. Added states.

CMakeLists.txt

@@ -58,6 +58,7 @@ add_executable(breakhack
 	src/random
 	src/linkedlist
 	src/hashtable
+	src/gui
 	)
 
 target_link_libraries(breakhack

TODO.txt

@@ -16,7 +16,8 @@ x Moving enemies
 	x Add hooks to lua
 	x Add movement depending on state (aggro, scared, passive)
 x Lower dungeon levels
-- GUI (lua generated)
+o GUI
+- Player death
 - Items (lua generated?)
 - More GUI
 o XP

src/gamestate.h

@@ -4,7 +4,8 @@
 typedef enum GameState_t {
 	MENU,
 	PLAYING,
-	NEXT_LEVEL
+	IN_GAME_MENU,
+	GAME_OVER
 } GameState;
 
 #endif // GAMESTATE_H_

src/gui.c

@@ -0,0 +1,116 @@
+#include <assert.h>
+
+#include "gui.h"
+#include "util.h"
+
+Gui*
+gui_create()
+{
+	Gui *gui = ec_malloc(sizeof(Gui));
+	gui->sprites = linkedlist_create();
+	gui->health = linkedlist_create();
+	gui->textures = ht_create(5);
+	return gui;
+}
+
+static void
+clear_sprite_list(LinkedList *list)
+{
+	while (list != NULL)
+		sprite_destroy(linkedlist_pop(&list));
+}
+
+void
+gui_set_max_health(Gui *gui, int max, SDL_Renderer *renderer)
+{
+	Sprite *sprite;
+	Texture *texture;
+	int i;
+
+	assert(max % 3 == 0);
+
+	if (((unsigned int) max / 3) == (unsigned int) linkedlist_size(gui->health))
+		return;
+
+	clear_sprite_list(gui->health);
+
+	texture = gui_add_texture(gui, "assets/GUI/GUI0.png", renderer);
+
+	for (i = 0; i < max/3; ++i) {
+		sprite = sprite_create();
+		sprite->fixed = true;
+		sprite->clip = (SDL_Rect) { 0, 16, 16, 16 };
+		sprite->pos = (Position) { 16 + i*16, 16 };
+		sprite_set_texture(sprite, texture, 0);
+		linkedlist_append(&gui->health, sprite);
+	}
+}
+
+void
+gui_set_current_health(Gui *gui, int current)
+{
+	Sprite *sprite;
+	int partial = current % 3;
+	int full = (current - partial)/3;
+	int count = 0;
+
+	if (current < 0)
+		current = 0;
+
+	LinkedList *item = gui->health;
+	while (item != NULL) {
+		sprite = (Sprite*) item->data;
+		if (count < full) {
+			sprite->clip.x = 0;
+		} else if (count == full) {
+			sprite->clip.x = 64 - (partial * 16);
+		} else {
+			sprite->clip.x = 64;
+		}
+
+		++count;
+		item = item->next;
+	}
+}
+
+Texture*
+gui_add_texture(Gui *gui, const char *path, SDL_Renderer *renderer)
+{
+	Texture *t = ht_get(gui->textures, path);
+	if (t == NULL) {
+		t = texture_create();
+		texture_load_from_file(t, path, renderer);
+		t->dim = (Dimension) { 16, 16 };
+		ht_set(gui->textures, path, t);
+	}
+	return t;
+}
+
+void
+gui_render(Gui *gui, Camera *cam)
+{
+	LinkedList *item = gui->health;
+	while (item != NULL) {
+		Sprite *s = item->data;
+		sprite_render(s, cam);
+		item = item->next;
+	}
+	item = gui->sprites;
+	while (item != NULL) {
+		Sprite *s = item->data;
+		sprite_render(s, cam);
+		item = item->next;
+	}
+
+}
+
+void
+gui_destroy(Gui *gui)
+{
+	while (gui->sprites != NULL)
+		sprite_destroy(linkedlist_pop(&gui->sprites));
+	while (gui->health != NULL)
+		sprite_destroy(linkedlist_pop(&gui->health));
+	ht_destroy_custom(gui->textures, (void (*)(void*)) &texture_destroy);
+	free(gui);
+}

src/gui.h

@@ -0,0 +1,27 @@
+#ifndef GUI_H_
+#define	GUI_H_
+
+#include "linkedlist.h"
+#include "hashtable.h"
+#include "sprite.h"
+#include "camera.h"
+
+typedef struct {
+	LinkedList *sprites;
+	LinkedList *health;
+	Hashtable *textures;
+} Gui;
+
+Gui* gui_create(void);
+
+void gui_set_max_health(Gui*, int max, SDL_Renderer*);
+
+void gui_set_current_health(Gui*, int current);
+
+Texture* gui_add_texture(Gui*, const char *path, SDL_Renderer*);
+
+void gui_render(Gui*, Camera*);
+
+void gui_destroy(Gui*);
+
+#endif // GUI_H_

src/main.c

@@ -13,6 +13,7 @@
 #include "timer.h"
 #include "roommatrix.h"
 #include "gamestate.h"
+#include "gui.h"
 
 static SDL_Window	*gWindow	= NULL;
 static SDL_Renderer	*gRenderer	= NULL;
@@ -20,7 +21,8 @@ static Player		*gPlayer	= NULL;
 static LinkedList	*gSpriteList	= NULL;
 static Map		*gMap		= NULL;
 static RoomMatrix	*gRoomMatrix	= NULL;
-static GameState	gameState;
+static Gui		*gGui		= NULL;
+static GameState	gGameState;
 static Camera		gCamera;
 
 static
@@ -105,9 +107,10 @@ bool init(void)
 		gCamera.pos = (Position) { 0, 0 };
 		gCamera.renderer = gRenderer;
 		gRoomMatrix = roommatrix_create();
+		gGui = gui_create();
 	}
 
-	gameState = PLAYING;
+	gGameState = PLAYING;
 
 	return result;
 }
@@ -127,7 +130,7 @@ bool handle_events(void)
 	while (SDL_PollEvent(&event) != 0) {
 		if (event.type == SDL_QUIT) {
 			quit = true;
-		} else {
+		} else if (gGameState == PLAYING) {
 			gPlayer->handle_event(gPlayer,
 					      gRoomMatrix,
 					      &event);
@@ -158,6 +161,35 @@ check_next_level(void)
 	}
 }
 
+static void
+run_game(void)
+{
+	map_clear_dead_monsters(gMap);
+	roommatrix_populate_from_map(gRoomMatrix, gMap);
+	roommatrix_add_lightsource(gRoomMatrix,
+				   &gPlayer->sprite->pos);
+	roommatrix_build_lightmap(gRoomMatrix);
+
+	gui_set_max_health(gGui, gPlayer->stats.maxhp, gRenderer);
+	gui_set_current_health(gGui, gPlayer->stats.hp);
+	if (gPlayer->steps == gPlayer->stats.speed) {
+		player_reset_steps(gPlayer);
+		roommatrix_update_with_player(gRoomMatrix, gPlayer);
+		map_move_monsters(gMap, gRoomMatrix);
+	}
+
+	SDL_RenderClear(gRenderer);
+
+	map_render(gMap, &gCamera);
+	player_render(gPlayer, &gCamera);
+	roommatrix_render_lightmap(gRoomMatrix, &gCamera);
+	gui_render(gGui, &gCamera);
+
+	SDL_RenderPresent(gRenderer);
+
+	check_next_level();
+}
+
 static
 void run(void)
 {
@@ -169,28 +201,25 @@ void run(void)
 		timer_start(fpsTimer);
 
 		quit = handle_events();
-		map_clear_dead_monsters(gMap);
-		roommatrix_populate_from_map(gRoomMatrix, gMap);
-		roommatrix_add_lightsource(gRoomMatrix,
-					   &gPlayer->sprite->pos);
-		roommatrix_build_lightmap(gRoomMatrix);
 
-		if (gPlayer->steps == gPlayer->stats.speed) {
-			player_reset_steps(gPlayer);
-			roommatrix_update_with_player(gRoomMatrix, gPlayer);
-			map_move_monsters(gMap, gRoomMatrix);
+		switch (gGameState) {
+			case PLAYING:
+				run_game();
+				break;
+			case MENU:
+				fprintf(stderr, "[!!] MENU not implemented\n");
+				break;
+			case IN_GAME_MENU:
+				fprintf(stderr,
+					"[!!] IN_GAME_MENU not implemented\n");
+				break;
+			case GAME_OVER:
+				fprintf(stderr, "[!!] GAME_OVER not implemented\n");
+				break;
+			default:
+				break;
 		}
 
-		SDL_RenderClear(gRenderer);
-
-		map_render(gMap, &gCamera);
-		player_render(gPlayer, &gCamera);
-		roommatrix_render_lightmap(gRoomMatrix, &gCamera);
-
-		SDL_RenderPresent(gRenderer);
-
-		check_next_level();
-
 		int ticks = timer_get_ticks(fpsTimer);
 		if (ticks < 1000/60)
 			SDL_Delay((1000/60) - ticks);
@@ -206,6 +235,8 @@ void close(void)
 	player_destroy(gPlayer);
 	map_destroy(gMap);
 	roommatrix_destroy(gRoomMatrix);
+	gui_destroy(gGui);
+	SDL_DestroyRenderer(gRenderer);
 	SDL_DestroyWindow(gWindow);
 	gWindow = NULL;
 	TTF_Quit();

src/map.c

@@ -25,7 +25,7 @@ Map* map_create()
 
 	Map *map = ec_malloc(sizeof(Map));
 	map->textures = linkedlist_create();
-	map->monsterTextures = ht_create(100);
+	map->monsterTextures = ht_create(30);
 	map->monsters = linkedlist_create();
 	map->currentRoom = (Position) { 0, 0 };
 	map->renderTimer = timer_create();

src/map_lua.c

@@ -191,7 +191,7 @@ l_add_monster(lua_State *L)
 	texture1->dim = (Dimension) { TILE_DIMENSION, TILE_DIMENSION };
 	texture2->dim = (Dimension) { TILE_DIMENSION, TILE_DIMENSION };
 
-	lua_pop(L, 4);
+	lua_pop(L, 6);
 
 	monster = monster_create(renderer);
 	monster->sprite->clip = (SDL_Rect) { clip_x, clip_y, 16, 16 };
@@ -212,12 +212,13 @@ Map* map_lua_generator_run(SDL_Renderer *renderer)
 	int status, result;
 	char file[] = "data/mapgen.lua";
 
-	printf("[**] Running lua script: %s\n", file);
+	printf("[**] Running lua map script: %s\n", file);
 
 	lua_State *L = load_lua_state();
 	status = luaL_loadfile(L, file);
 	if (status) {
-		fprintf(stderr, "[!!] Couldn't load file: %s\n", lua_tostring(L, -1));
+		fprintf(stderr, "[!!] Couldn't load file: %s\n",
+			lua_tostring(L, -1));
 		exit(-1);
 	}
 

src/monster.c

@@ -30,7 +30,7 @@ monster_create(SDL_Renderer *renderer)
 	Monster *m = ec_malloc(sizeof(Monster));
 	m->sprite = sprite_create();
 	m->sprite->clip = (SDL_Rect) { 0, 0, 16, 16 };
-	m->stats = (Stats) { 11, 1, 0, 0, 1, 1 };
+	m->stats = (Stats) { 12, 12, 1, 0, 0, 1, 1 };
 	m->state.normal = PASSIVE;
 	m->state.challenge = AGRESSIVE;
 	m->state.current = m->state.normal;

src/player.c

@@ -6,11 +6,11 @@
 #include "monster.h"
 #include "util.h"
 
-#define ENGINEER_STATS	{ 11, 5, 7, 2, 1, 1 }
-#define MAGE_STATS	{ 11, 5, 7, 2, 1, 1 }
-#define PALADIN_STATS	{ 11, 5, 7, 2, 1, 1 }
-#define ROGUE_STATS	{ 11, 5, 7, 2, 2, 1 }
-#define WARRIOR_STATS	{ 11, 5, 7, 2, 1, 1 }
+#define ENGINEER_STATS	{ 12, 12, 5, 7, 2, 1, 1 }
+#define MAGE_STATS	{ 12, 12, 5, 7, 2, 1, 1 }
+#define PALADIN_STATS	{ 12, 12, 5, 7, 2, 1, 1 }
+#define ROGUE_STATS	{ 12, 12, 5, 7, 2, 2, 1 }
+#define WARRIOR_STATS	{ 12, 12, 5, 7, 2, 1, 1 }
 
 static bool 
 has_collided(Player *player, RoomMatrix *matrix)

src/sprite.c

@@ -13,6 +13,7 @@ Sprite* sprite_create_default(void)
 	s->pos = (Position) { 0, 0 };
 	s->renderTimer = timer_create();
 	s->texture_index = 0;
+	s->fixed = false;
 
 	return s;
 }
@@ -65,7 +66,12 @@ void sprite_render(Sprite *s, Camera *cam)
 		}
 	}
 
-	Position cameraPos = camera_to_camera_position(cam, &s->pos);
+	Position cameraPos;
+	if (!s->fixed)
+		cameraPos = camera_to_camera_position(cam, &s->pos);
+	else
+		cameraPos = s->pos;
+
 	texture_render_clip(s->textures[s->texture_index],
 			    &cameraPos,
 			    &s->clip,

src/sprite.h

@@ -16,6 +16,7 @@ typedef struct Sprite_t {
 	Position pos;
 	Timer *renderTimer;
 	unsigned int texture_index;
+	bool fixed;
 } Sprite;
 
 Sprite* sprite_create(void);

src/stats.h

@@ -2,10 +2,11 @@
 #define	STATS_H_
 
 typedef struct Stats_t {
-	int hp;	/* Hit points 		*/
-	int dmg;	/* Damage modifier */
-	int atk;	/* Attack rating */
-	int def;	/* Defence rating */
+	int maxhp;			/* Max hitpoints */
+	int hp;				/* Current hit points */
+	int dmg;			/* Damage modifier */
+	int atk;			/* Attack rating */
+	int def;			/* Defence rating */
 	unsigned int speed;	/* Speed */
 	unsigned int lvl;	/* Level */
 } Stats;