Gui log is working

src/gui.c

@@ -4,8 +4,10 @@
 #include "gui.h"
 #include "util.h"
 
-static SDL_Rect frame_top_left	= { 16, 160, 16, 16 };
-static SDL_Rect frame_top_right	= { 48, 160, 16, 16 };
+#define DEFAULT_LOG { NULL, 50, 0, 200 }
+
+static SDL_Rect frame_top_left		= { 16, 160, 16, 16 };
+static SDL_Rect frame_top_right		= { 48, 160, 16, 16 };
 static SDL_Rect frame_bottom_left	= { 16, 192, 16, 16 };
 static SDL_Rect frame_bottom_right	= { 48, 192, 16, 16 };
 static SDL_Rect frame_top		= { 32, 160, 16, 16 };
@@ -14,33 +16,43 @@ static SDL_Rect frame_center		= { 32, 176, 16, 16 };
 static SDL_Rect frame_left		= { 16, 176, 16, 16 };
 static SDL_Rect frame_right		= { 48, 176, 16, 16 };
 
-static char **gui_log;
-static unsigned int log_length = 50;
+static struct LogData_t {
+	char **log;
+	unsigned int len;
+	unsigned int count;
+	unsigned int strlen;
+} log_data = DEFAULT_LOG;
 
 static void
 gui_malloc_log(void)
 {
-	static bool log_allocated = false;
-	if (log_allocated)
+	if (log_data.log != NULL)
 		return;
 
 	unsigned int i;
 
-	gui_log = ec_malloc(log_length * sizeof(char*));
-	for (i = 0; i < log_length; ++i)
-		gui_log[i] = ec_malloc(200 * sizeof(char));
-
-	log_allocated = true;
+	log_data.log = ec_malloc(log_data.len * sizeof(char*));
+	for (i = 0; i < log_data.len; ++i)
+		log_data.log[i] = NULL;
 }
 
 Gui*
 gui_create()
 {
+	Texture *t;
+	unsigned int i;
+
 	Gui *gui = ec_malloc(sizeof(Gui));
 	gui->sprites = linkedlist_create();
 	gui->health = linkedlist_create();
 	gui->textures = ht_create(5);
 
+	for (i = 0; i < LOG_LINES_COUNT; ++i) {
+		t = texture_create();
+		texture_load_font(t, "assets/GUI/SDS_8x8.ttf", LOG_FONT_SIZE);
+		gui->log_lines[i] = t;
+	}
+
 	gui_malloc_log();
 
 	return gui;
@@ -173,24 +185,64 @@ gui_render_panel(Gui *gui, unsigned int width, unsigned int height, Camera *cam)
 
 }
 
+void
+gui_log(char *message)
+{
+	char *new_message;
+	unsigned int i;
+
+	assert(strlen(message) <= log_data.strlen);
+
+	new_message = ec_malloc(log_data.strlen * sizeof(char));
+	m_strcpy(new_message, 200, message);
+
+	log_data.count++;
+	if (log_data.count > log_data.len) {
+		log_data.count = log_data.len;
+		free(log_data.log[log_data.count-1]);
+		log_data.log[log_data.count-1] = NULL;
+	}
+	for (i = log_data.count - 1; i > 0; --i) {
+		log_data.log[i] = log_data.log[i-1];
+	}
+	log_data.log[0] = new_message;
+}
+
 void
 gui_render_log(Gui *gui, unsigned int width, unsigned int height, Camera *cam)
 {
+	static SDL_Color color = { 255, 255, 255, 255 };
+
+	Texture *t;
+	unsigned int i;
+	unsigned int render_count;
+	Position p;
+	
+	render_count = LOG_LINES_COUNT > log_data.count ? log_data.count : LOG_LINES_COUNT;
+	p = (Position) { 16, 0 };
+
 	gui_render_frame(gui, width/16, height/16, cam);
+
+	for (i = 0; i < render_count; ++i) {
+		p.y = 16 + ((LOG_FONT_SIZE+1) * i);
+		t = gui->log_lines[i];
+		texture_load_from_text(t, log_data.log[i], color, cam->renderer);
+		texture_render(t, &p, cam);
+	}
 }
 
 static void
 destroy_log(void)
 {
-	if (gui_log == NULL)
+	if (log_data.log == NULL)
 		return;
 
 	unsigned int i;
-	for (i = 0; i < log_length; ++i)
-		free(gui_log[i]);
+	for (i = 0; i < log_data.count; ++i)
+		free(log_data.log[i]);
 
-	free(gui_log);
-	gui_log = NULL;
+	free(log_data.log);
+	log_data.log = NULL;
 }
 
 void

src/gui.h

@@ -1,6 +1,9 @@
 #ifndef GUI_H_
 #define	GUI_H_
 
+#define LOG_LINES_COUNT	15
+#define LOG_FONT_SIZE	8
+
 #include "linkedlist.h"
 #include "hashtable.h"
 #include "sprite.h"
@@ -10,6 +13,7 @@ typedef struct {
 	LinkedList *sprites;
 	LinkedList *health;
 	Hashtable *textures;
+	Texture *log_lines[LOG_LINES_COUNT];
 } Gui;
 
 Gui* gui_create(void);
@@ -24,6 +28,8 @@ void gui_render_panel(Gui*, unsigned int width, unsigned int height, Camera*);
 
 void gui_render_log(Gui*, unsigned int width, unsigned int height, Camera*);
 
+void gui_log(char *message);
+
 void gui_destroy(Gui*);
 
 #endif // GUI_H_

src/monster.c

@@ -5,6 +5,7 @@
 #include "player.h"
 #include "monster.h"
 #include "random.h"
+#include "gui.h"
 
 static void
 monster_load_texts(Monster *m, SDL_Renderer *renderer)
@@ -62,9 +63,19 @@ has_collided(Monster *monster, RoomMatrix *matrix)
 	RoomSpace *space = &matrix->spaces[roomPos.x][roomPos.y];
 
 	if (space->player) {
+		char *msg = ec_malloc(200 * sizeof(char));
 		unsigned int dmg = stats_fight(&monster->stats,
 					       &space->player->stats);
 		player_hit(space->player, dmg);
+
+		if (dmg > 0)
+			sprintf(msg, "Monster '%s' hit you for %d damage",
+				monster->label, dmg);
+		else
+			sprintf(msg, "Monster '%s' missed you", monster->label);
+
+		gui_log(msg);
+		free(msg);
 	}
 
 	return space->occupied;
@@ -211,9 +222,6 @@ monster_move(Monster *m, RoomMatrix *rm)
 	monsterRoomPos = position_to_matrix_coords(&m->sprite->pos);
 	rm->spaces[monsterRoomPos.x][monsterRoomPos.y].occupied = true;
 	rm->spaces[monsterRoomPos.x][monsterRoomPos.y].monster = m;
-
-	if (m->label)
-		printf("Monster '%s' moved.\n", m->label);
 }
 
 void

src/player.c

@@ -5,6 +5,7 @@
 #include "player.h"
 #include "monster.h"
 #include "util.h"
+#include "gui.h"
 
 #define ENGINEER_STATS	{ 12, 12, 5, 7, 2, 1, 1 }
 #define MAGE_STATS	{ 12, 12, 5, 7, 2, 1, 1 }
@@ -36,10 +37,24 @@ has_collided(Player *player, RoomMatrix *matrix)
 		else
 			player->misses += 1;
 
+		if (hit > 0) {
+			char *msg = ec_malloc(200 * sizeof(char));
+			sprintf(msg, "You hit '%s' for %d damage",
+				space->monster->label, hit);
+			gui_log(msg);
+			free(msg);
+		}
+
 		if (space->monster->stats.hp <= 0) {
 			// TODO(Linus): This needs some love later on.
 			player->kills += 1;
 			player->xp += 10;
+
+			char *msg = ec_malloc(200 * sizeof(char));
+			sprintf(msg, "You killed '%s' and gained %d xp",
+				space->monster->label, 10);
+			gui_log(msg);
+			free(msg);
 		}
 	}