Adding the level up system

prefabs/player.gcprefab

@@ -36,7 +36,7 @@
        <keyboard_controller left="16" right="3" up="25" down="18" />
        <map_movement />
        <map_linker x="63" y="19" solid="false" centered="true"/>
-       <xp_component xp="20"/>
+       <xp_component xp="0"/>
        <health_component max_health="25"/>
        <player_component fight_rate="5%" />
        <particule_component type="1" nb_particules_max="15" lifetime="60" texture="stone" />

src/components/xp_methods.c

@@ -5,9 +5,24 @@
 ** xp methods
 */
 
+#include <components/health_component.h>
 #include "components/xp_component.h"
 #include "engine.h"
 
+void level_up(gc_engine *engine)
+{
+    gc_entity *player = engine->scene->get_entity(engine->scene, 50);
+    struct health_component *health;
+
+    if (!player)
+        return;
+    health = GETCMP(player, health_component);
+    if (!health)
+        return;
+    health->health_max += 15;
+    health->health = health->health_max;
+}
+
 void xp_add(struct xp_component *this, gc_engine *engine, \
 unsigned int amount)
 {
@@ -17,6 +32,7 @@ unsigned int amount)
     if (this->xp >= 100) {
         this->full = true;
         this->xp = 100;
+        level_up(engine);
     }
     engine->trigger_event(engine, "xp_add", this->xp, amount);
 }

src/systems/combat_manager.c

@@ -38,8 +38,6 @@ void combat_end(gc_engine *engine, bool has_won)
     gc_entity *player = this->game_scene->get_entity(this->game_scene, 50);
     struct dialog_manager *dialog = GETSYS(engine, dialog_manager);
 
-    if (!this->current_enemy || !player || ! player_combat || !dialog)
-        return;
     set_combat_player(engine, player_combat, player);
     engine->change_scene(engine, this->game_scene);
     this->game_scene = NULL;
@@ -53,6 +51,7 @@ void combat_end(gc_engine *engine, bool has_won)
         controllable_set_can_move(engine->scene, false);
         prefab_load(engine, "prefabs/win.gcprefab");
     }
+    engine->trigger_event(engine, "combat_ended", this->current_enemy, has_won);
     this->current_enemy = NULL;
 }
 

src/systems/game_manager_system.c

@@ -7,6 +7,8 @@
 
 #include <components/tag_component.h>
 #include <systems/sfml_renderer_system.h>
+#include <enemy.h>
+#include <components/xp_component.h>
 #include "my.h"
 #include "prefab.h"
 #include "keybindings.h"
@@ -43,9 +45,19 @@ static void key_pressed(gc_engine *engine, va_list args)
     	toggle_inventory(engine);
 }
 
-static void update_entity(gc_engine *engine, void *system, gc_entity *entity, \
-float dtime)
+static void combat_ended(gc_engine *engine, va_list args)
 {
+    struct enemy *enemy = va_arg(args, struct enemy *);
+    bool has_won = va_arg(args, int);
+    gc_entity *player = engine->scene->get_entity(engine->scene, 50);
+    struct xp_component *xp;
+
+    if (!player || !has_won)
+        return;
+    xp = GETCMP(player, xp_component);
+    if (!xp)
+        return;
+    xp_add(xp, engine, 10);
 }
 
 static void ctr(void *system, va_list list)
@@ -54,6 +66,7 @@ static void ctr(void *system, va_list list)
     struct game_manager_system *this = system;
 
     engine->add_event_listener(engine, "key_pressed", &key_pressed);
+    engine->add_event_listener(engine, "combat_ended", &combat_ended);
     this->has_message = false;
     this->is_inventory = false;
 }
@@ -61,6 +74,7 @@ static void ctr(void *system, va_list list)
 static void dtr(void *system, gc_engine *engine)
 {
     engine->remove_event_listener(engine, "key_pressed", &key_pressed);
+    engine->remove_event_listener(engine, "combat_ended", &combat_ended);
 }
 
 const struct game_manager_system game_manager_system = {
@@ -71,7 +85,7 @@ const struct game_manager_system game_manager_system = {
 		ctr: &ctr,
 		dtr: &dtr,
 		check_dependencies: &system_check_dependencies,
-		update_entity: &update_entity,
+		update_entity: NULL,
 		destroy: &system_destroy
 	},
     is_inventory: false