Roaming monsters.

.vimrc

@@ -1,3 +1,3 @@
-nnoremap <F1> :Make -C build --no-print-directory -l<cr>
+nnoremap <F1> :Make<cr>
-set makeprg=make\ -C\ build\ --no-print-directory\ -l
+au FileType c setl makeprg=ninja\ -C\ build
 let g:syntastic_c_include_dirs = [ 'linkedlist', 'hashtable' ]

CMakeLists.txt

@@ -46,6 +46,7 @@ add_executable(breakhack
 	src/monster
 	src/stats
 	src/actiontext
+	src/random
 	)
 
 target_link_libraries(breakhack

TODO.txt

@@ -6,10 +6,14 @@ x Add enemies (generated through lua)
 	x Making some better generation and randomeness
 x Move "clip" from texture to sprite
 x Hitting enemies
-- Nicer enemy hits (Text textures, healthbars?)
+x Nicer enemy hits (Text textures, healthbars?)
-- Moving enemies
+	- This could need some love later on. (Misses seem to be broken) (Add hits to stats)
+x Moving enemies
+	x Stupid roaming enemies
+	- Smart agressive enemies
+	- Fleeing enemies
 - Lower levels
-- XP
+o XP
 - gui
 - Items
 - More gui

bhack_raw.out

@@ -0,0 +1,59 @@
+==32279== Memcheck, a memory error detector
+==32279== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
+==32279== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
+==32279== Command: ./build/breakhack
+==32279== Parent PID: 16002
+==32279== 
+==32279== Invalid write of size 1
+==32279==    at 0x10E8B7: monster_move (monster.c:112)
+==32279==    by 0x10C634: map_move_monsters (map.c:122)
+==32279==    by 0x10AF7C: run (main.c:155)
+==32279==    by 0x10B0CF: main (main.c:195)
+==32279==  Address 0x104ae5b0 is 2,992 bytes inside an unallocated block of size 11,760 in arena "client"
+==32279== 
+==32279== Invalid write of size 1
+==32279==    at 0x10E9AB: monster_move (monster.c:127)
+==32279==    by 0x10C634: map_move_monsters (map.c:122)
+==32279==    by 0x10AF7C: run (main.c:155)
+==32279==    by 0x10B0CF: main (main.c:195)
+==32279==  Address 0x104ac1b0 is 240 bytes inside a block of size 704 free'd
+==32279==    at 0x4C2E14B: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
+==32279==    by 0x70D07B3: ??? (in /usr/lib/libfreetype.so.6.15.0)
+==32279==    by 0x70D0C99: ??? (in /usr/lib/libfreetype.so.6.15.0)
+==32279==    by 0x70D1378: ??? (in /usr/lib/libfreetype.so.6.15.0)
+==32279==    by 0x7080C4A: FT_Load_Glyph (in /usr/lib/libfreetype.so.6.15.0)
+==32279==    by 0x59E134D: ??? (in /usr/lib/libSDL2_ttf-2.0.so.0.14.0)
+==32279==    by 0x59E24A4: TTF_SizeUTF8 (in /usr/lib/libSDL2_ttf-2.0.so.0.14.0)
+==32279==    by 0x59E28A0: TTF_RenderUTF8_Solid (in /usr/lib/libSDL2_ttf-2.0.so.0.14.0)
+==32279==    by 0x59E2CB9: TTF_RenderText_Solid (in /usr/lib/libSDL2_ttf-2.0.so.0.14.0)
+==32279==    by 0x10B2CA: texture_load_from_text (texture.c:69)
+==32279==    by 0x10EC23: actiontext_set_text (actiontext.c:25)
+==32279==    by 0x10E4D8: monster_load_texts (monster.c:20)
+==32279==  Block was alloc'd at
+==32279==    at 0x4C2EF35: calloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
+==32279==    by 0x7DD3D50: hb_set_create (in /usr/lib/libharfbuzz.so.0.10702.0)
+==32279==    by 0x70D04BE: ??? (in /usr/lib/libfreetype.so.6.15.0)
+==32279==    by 0x70D0C99: ??? (in /usr/lib/libfreetype.so.6.15.0)
+==32279==    by 0x70D1378: ??? (in /usr/lib/libfreetype.so.6.15.0)
+==32279==    by 0x7080C4A: FT_Load_Glyph (in /usr/lib/libfreetype.so.6.15.0)
+==32279==    by 0x59E134D: ??? (in /usr/lib/libSDL2_ttf-2.0.so.0.14.0)
+==32279==    by 0x59E24A4: TTF_SizeUTF8 (in /usr/lib/libSDL2_ttf-2.0.so.0.14.0)
+==32279==    by 0x59E28A0: TTF_RenderUTF8_Solid (in /usr/lib/libSDL2_ttf-2.0.so.0.14.0)
+==32279==    by 0x59E2CB9: TTF_RenderText_Solid (in /usr/lib/libSDL2_ttf-2.0.so.0.14.0)
+==32279==    by 0x10B2CA: texture_load_from_text (texture.c:69)
+==32279==    by 0x10EC23: actiontext_set_text (actiontext.c:25)
+==32279== 
+==32279== 
+==32279== HEAP SUMMARY:
+==32279==     in use at exit: 23,660,148 bytes in 6,478 blocks
+==32279==   total heap usage: 145,650 allocs, 139,172 frees, 128,822,768 bytes allocated
+==32279== 
+==32279== LEAK SUMMARY:
+==32279==    definitely lost: 0 bytes in 0 blocks
+==32279==    indirectly lost: 0 bytes in 0 blocks
+==32279==      possibly lost: 0 bytes in 0 blocks
+==32279==    still reachable: 0 bytes in 0 blocks
+==32279==         suppressed: 23,660,148 bytes in 6,478 blocks
+==32279== 
+==32279== For counts of detected and suppressed errors, rerun with: -v
+==32279== ERROR SUMMARY: 359 errors from 2 contexts (suppressed: 59281051 from 1900)

data/monstergen.lua

@@ -83,6 +83,15 @@ local enemies = {
 	{ texturePaths.pest0, texturePaths.pest1, 16, 112 },
 	{ texturePaths.pest0, texturePaths.pest1, 32, 112 },
 	{ texturePaths.pest0, texturePaths.pest1, 48, 112 },
+
+	{ texturePaths.undead0, texturePaths.undead1,   0, 32 };
+	{ texturePaths.undead0, texturePaths.undead1,  16, 32 };
+	{ texturePaths.undead0, texturePaths.undead1,  32, 32 };
+	{ texturePaths.undead0, texturePaths.undead1,  48, 32 };
+	{ texturePaths.undead0, texturePaths.undead1,  64, 32 };
+	{ texturePaths.undead0, texturePaths.undead1,  80, 32 };
+	{ texturePaths.undead0, texturePaths.undead1,  96, 32 };
+	{ texturePaths.undead0, texturePaths.undead1, 112, 32 };
 }
 
 local function repack(data)

src/actiontext.c

@@ -35,7 +35,7 @@ actiontext_render(ActionText *t, Camera *cam)
 		timer_start(t->timer);
 
 	Position cameraPos = camera_to_camera_position(cam, &t->pos);
-	if (timer_get_ticks(t->timer) < 100) {
+	if (timer_get_ticks(t->timer) < 300) {
 		texture_render(t->texture, &cameraPos, cam);
 	} else {
 		timer_stop(t->timer);

src/main.c

@@ -104,6 +104,7 @@ bool init()
 		gCamera.renderer = gRenderer;
 		gRoomMatrix = roommatrix_create();
 	}
+
 	return result;
 }
 
@@ -150,6 +151,16 @@ void run()
 					   &gPlayer->sprite->pos);
 		roommatrix_build_lightmap(gRoomMatrix);
 
+		if (gPlayer->steps == gPlayer->stats.speed) {
+			player_print(gPlayer);
+			gPlayer->steps = 0;
+			Position rp =
+				position_to_matrix_coords(&gPlayer->sprite->pos);
+			gRoomMatrix->spaces[rp.x][rp.y].occupied = true;
+			gRoomMatrix->spaces[rp.x][rp.y].player = gPlayer;
+			map_move_monsters(gMap, gRoomMatrix);
+		}
+
 		SDL_RenderClear(gRenderer);
 
 		map_render(gMap, &gCamera);

src/map.c

@@ -110,6 +110,19 @@ map_add_monster(Map *map, Monster *m)
 	linkedlist_append(&map->monsters, m);
 }
 
+void
+map_move_monsters(Map *map, RoomMatrix *rm)
+{
+	LinkedList *m = map->monsters;
+	while (m) {
+		Monster *monster = m->data;
+		m = m->next;
+		if (!position_in_room(&monster->sprite->pos, &map->currentRoom))
+			continue;
+		monster_move(monster, rm);
+	}
+}
+
 int map_add_texture(Map *map, const char *path, SDL_Renderer *renderer)
 {
 	Texture *t = texture_create();
@@ -156,7 +169,8 @@ void map_tile_render(Map *map, MapTile *tile, Position *pos, Camera *cam)
 
 void map_render(Map *map, Camera *cam)
 {
-	unsigned int i, j, monster_count;
+	unsigned int i, j;
+	LinkedList *monsterItem;
 	Room *room;
 
 	if (!timer_started(map->renderTimer)) {
@@ -184,9 +198,10 @@ void map_render(Map *map, Camera *cam)
 		}
 	}
 
-	monster_count = linkedlist_size(map->monsters);
+	monsterItem = map->monsters;
-	for (i = 0; i < monster_count; ++i) {
+	while (monsterItem) {
-		Monster *monster = linkedlist_get(&map->monsters, i);
+		Monster *monster = monsterItem->data;
+		monsterItem = monsterItem->next;
 		monster_render(monster, cam);
 	}
 }

src/map.h

@@ -48,10 +48,12 @@ void map_add_decoration(Map *map, Position *tile_pos, MapTile*);
 
 Texture* map_add_monster_texture(Map*, const char *path, SDL_Renderer*);
 
-void map_clear_dead_monsters(Map*);
-
 void map_add_monster(Map*, Monster*);
 
+void map_move_monsters(Map*, RoomMatrix*);
+
+void map_clear_dead_monsters(Map*);
+
 void map_render(Map*, Camera*);
 
 void map_set_current_room(Map*, Position*);

src/monster.c

@@ -1,7 +1,9 @@
+#include <assert.h>
 #include "monster.h"
 #include "util.h"
 #include "player.h"
 #include "monster.h"
+#include "random.h"
 
 static void
 monster_load_texts(Monster *m, SDL_Renderer *renderer)
@@ -27,7 +29,7 @@ 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 };
+	m->stats = (Stats) { 11, 1, 0, 0, 1, 1 };
 
 	monster_load_texts(m, renderer);
 
@@ -45,6 +47,93 @@ monster_update_pos(Monster *m, Position pos)
 	m->missText->pos = textPos;
 }
 
+static bool
+has_collided(Monster *monster, RoomMatrix *matrix)
+{
+	if (!position_in_room(&monster->sprite->pos, &matrix->roomPos))
+		return true;
+
+	Position roomPos = position_to_matrix_coords(&monster->sprite->pos);
+	RoomSpace *space = &matrix->spaces[roomPos.x][roomPos.y];
+	return space->occupied;
+}
+
+static bool
+move_left(Monster *m, RoomMatrix *rm)
+{
+	m->sprite->pos.x -= TILE_DIMENSION;
+	if (has_collided(m, rm)) {
+	    m->sprite->pos.x += TILE_DIMENSION;
+	    return false;
+	}
+	return true;
+}
+
+static bool
+move_right(Monster *m, RoomMatrix *rm)
+{
+	m->sprite->pos.x += TILE_DIMENSION;
+	if (has_collided(m, rm)) {
+	    m->sprite->pos.x -= TILE_DIMENSION;
+	    return false;
+	}
+	return true;
+}
+
+static bool
+move_up(Monster *m, RoomMatrix *rm)
+{
+	m->sprite->pos.y -= TILE_DIMENSION;
+	if (has_collided(m, rm)) {
+	    m->sprite->pos.y += TILE_DIMENSION;
+	    return false;
+	}
+	return true;
+}
+
+static bool
+move_down(Monster *m, RoomMatrix *rm)
+{
+	m->sprite->pos.y += TILE_DIMENSION;
+	if (has_collided(m, rm)) {
+	    m->sprite->pos.y -= TILE_DIMENSION;
+	    return false;
+	}
+	return true;
+}
+
+void
+monster_move(Monster *m, RoomMatrix *rm)
+{
+	unsigned int i, maxMoveAttempts = 6;
+	Position monsterRoomPos;
+
+	if (get_random(4) == 0)
+		return;
+
+	monsterRoomPos = position_to_matrix_coords(&m->sprite->pos);
+	rm->spaces[monsterRoomPos.x][monsterRoomPos.y].occupied = false;
+	rm->spaces[monsterRoomPos.x][monsterRoomPos.y].monster = NULL;
+
+	for (i = 0; i < maxMoveAttempts; ++i) {
+		int move = get_random(3);
+		if (move == 0 && move_left(m, rm))
+			break;
+		else if (move == 1 && move_right(m, rm))
+			break;
+		else if (move == 2 && move_up(m, rm))
+			break;
+		else if (move == 3 && move_down(m, rm))
+			break;
+	}
+
+	monster_update_pos(m, m->sprite->pos);
+
+	monsterRoomPos = position_to_matrix_coords(&m->sprite->pos);
+	rm->spaces[monsterRoomPos.x][monsterRoomPos.y].occupied = true;
+	rm->spaces[monsterRoomPos.x][monsterRoomPos.y].monster = m;
+}
+
 void
 monster_render(Monster *m, Camera *cam)
 {

src/monster.h

@@ -17,6 +17,8 @@ Monster* monster_create(SDL_Renderer*);
 
 void monster_update_pos(Monster*, Position);
 
+void monster_move(Monster*, RoomMatrix*);
+
 void monster_render(Monster*, Camera*);
 
 void monster_destroy(Monster*);

src/player.c

@@ -3,11 +3,11 @@
 #include "monster.h"
 
 static Stats classStats[] = {
-	(Stats) { 11, 5, 7, 2, 1 }, /* ENGINEER */
+	(Stats) { 11, 5, 7, 2, 1, 1 }, /* ENGINEER */
-	(Stats) { 11, 5, 7, 2, 1 }, /* MAGE */
+	(Stats) { 11, 5, 7, 2, 1, 1 }, /* MAGE */
-	(Stats) { 11, 5, 7, 2, 1 }, /* PALADIN */
+	(Stats) { 11, 5, 7, 2, 1, 1 }, /* PALADIN */
-	(Stats) { 11, 5, 7, 2, 2 }, /* ROGUE */
+	(Stats) { 11, 5, 7, 2, 2, 1 }, /* ROGUE */
-	(Stats) { 11, 5, 7, 2, 1 }, /* WARRIOR */
+	(Stats) { 11, 5, 7, 2, 1, 1 }, /* WARRIOR */
 };
 
 static bool 
@@ -27,22 +27,42 @@ has_collided(Player *player, RoomMatrix *matrix)
 	if (space->monster != NULL) {
 		unsigned int hit = stats_fight(&player->stats,
 					       &space->monster->stats);
-		if (hit > 0)
+		if (hit > 0) {
 			space->monster->hitText->active = true;
-		else
+			space->monster->missText->active = false;
+		} else {
+			// TODO(Linus): The misses seem to be missing
 			space->monster->missText->active = true;
+			space->monster->hitText->active = false;
+		}
+
+		if (space->monster->stats.hp <= 0) {
+			// TODO(Linus): This needs some love later on.
+			player->xp += 10;
+		}
 	}
 
 	return collided;
 }
 
+static void
+player_step(Player *p, RoomMatrix* m)
+{
+	Position pos = position_to_matrix_coords(&p->sprite->pos);
+	m->spaces[pos.x][pos.y].occupied = true;
+	p->total_steps++;
+	p->steps++;
+}
+
 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;
+	}
+	player_step(player, matrix);
 }
 
 static
@@ -50,8 +70,10 @@ void 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;
+	}
+	player_step(player, matrix);
 }
 
 static
@@ -59,8 +81,10 @@ void 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;
+	}
+	player_step(player, matrix);
 }
 
 static
@@ -68,8 +92,10 @@ void 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;
+	}
+	player_step(player, matrix);
 }
 
 static
@@ -109,6 +135,9 @@ player_create(class_t class, SDL_Renderer *renderer)
 {
 	Player *player = malloc(sizeof(Player));
 	player->sprite = sprite_create();
+	player->total_steps = 0;
+	player->steps = 0;
+	player->xp = 0;
 
 	char asset[100];
 	switch (class) {
@@ -144,6 +173,21 @@ player_create(class_t class, SDL_Renderer *renderer)
 	return player;
 }
 
+void
+player_print(Player *p)
+{
+	Position roomPos = position_to_matrix_coords(&p->sprite->pos);
+	Position pos = p->sprite->pos;
+
+	printf("\n");
+	printf("--------=== <[ Player Stats ]> ===--------\n");
+	printf("HP: %u\n", p->stats.hp);
+	printf("Level: %u   XP: %u\n", p->stats.lvl, p->xp);
+	printf("Pos: %dx%d  RoomPos: %dx%d\n", pos.x, pos.y, roomPos.x, roomPos.y);
+	printf("Steps: %u\n", p->total_steps);
+	printf("------------------------------------------\n");
+}
+
 void
 player_destroy(Player *player)
 {

src/player.h

@@ -11,11 +11,16 @@ typedef enum PlayerClass class_t;
 typedef struct Player_t {
 	Sprite *sprite;
 	Stats stats;
+	unsigned int xp;
+	unsigned int total_steps;
+	unsigned int steps;
 	void (*handle_event)(struct Player_t*, RoomMatrix*, SDL_Event*);
 } Player;
 
 Player* player_create(class_t, SDL_Renderer*);
 
+void player_print(Player*);
+
 void player_destroy(Player*);
 
 #endif // PLAYER_H_

src/position.c

@@ -29,6 +29,12 @@ Position position_to_room_coords(Position *src)
 	return pos;
 }
 
+bool
+position_equals(const Position *p1, const Position *p2)
+{
+	return p1->x == p2->x && p1->y == p2->y;
+}
+
 bool position_in_room(Position *pos, Position *roomPos)
 {
 	unsigned int room_px_width, room_px_height, room_x_px, room_y_px;

src/position.h

@@ -14,4 +14,6 @@ Position position_to_room_coords(Position*);
 
 bool position_in_room(Position *pos, Position *roomPos);
 
+bool position_equals(const Position*, const Position*);
+
 #endif // POSITION_H_

src/random.c

@@ -0,0 +1,10 @@
+#include <stdlib.h>
+#include <time.h>
+#include <stdbool.h>
+
+unsigned int
+get_random(unsigned int max)
+{
+	srand(time(NULL));
+	return rand() % (max + 1);
+}

src/random.h

@@ -0,0 +1,7 @@
+#ifndef RANDOM_H_
+#define	RANDOM_H_
+
+unsigned int
+get_random(unsigned int max);
+
+#endif // RANDOM_H_

src/roommatrix.c

@@ -12,10 +12,11 @@ RoomMatrix* roommatrix_create()
 
 void roommatrix_populate_from_map(RoomMatrix *rm, Map *m)
 {
-	int i, j, monster_count;
+	int i, j;
 	Position monster_matrix_pos;
 	Room *r;
 	Monster *monster;
+	LinkedList *monsterItem;
 
 	roommatrix_reset(rm);
 
@@ -41,11 +42,14 @@ void roommatrix_populate_from_map(RoomMatrix *rm, Map *m)
 		}
 	}
 
-	monster_count = linkedlist_size(m->monsters);
+	monsterItem = m->monsters;
-	for (i = 0; i < monster_count; ++i) {
+	while (monsterItem) {
-		monster = linkedlist_get(&m->monsters, i);
+		monster = monsterItem->data;
+		monsterItem = monsterItem->next;
+
 		if (!position_in_room(&monster->sprite->pos, &m->currentRoom))
 			continue;
+
 		monster_matrix_pos =
 			position_to_matrix_coords(&monster->sprite->pos);
 

src/stats.c

@@ -1,10 +1,9 @@
 #include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
 #include <stdbool.h>
 #include <SDL2/SDL_ttf.h>
 
 #include "stats.h"
+#include "random.h"
 
 unsigned int
 stats_fight(Stats *attacker, Stats *defender)
@@ -12,12 +11,11 @@ stats_fight(Stats *attacker, Stats *defender)
 	unsigned int atkRoll, defRoll, dmgRoll;
 	bool critical = false;
 
-	srand(time(NULL));
+	atkRoll = get_random(19) + 1;
-	atkRoll = (rand() % 20);
 	if (atkRoll == 20)
 		critical = true;
 	atkRoll += attacker->atk;
-	defRoll = (rand() % 20) + defender->def;
+	defRoll = (get_random(19) + 1) + defender->def;
 	dmgRoll = 0;
 
 	//printf("Attacking: %u, Defending: %u\n", atkRoll, defRoll);

src/stats.h

@@ -7,6 +7,7 @@ typedef struct {
 	int atk;	/* Attack rating */
 	int def;	/* Defence rating */
 	int speed;	/* Speed */
+	int lvl;	/* Level */
 } Stats;
 
 unsigned int