1 files changed, 94 insertions, 0 deletions
diff --git a/src/game.c b/src/game.c
new file mode 100644
index 0000000..4cd9728
--- /dev/null
+++ b/src/game.c
@@ -0,0 +1,94 @@
+#include "game.h"
+#include "cfg.h"
+#include "entity.h"
+#include "map.h"
+#include <stdio.h>
+#include <string.h>
+
+void
+game_init(Game *this)
+{
+	memset(this, 0, sizeof(*this));
+	game_restart_scene(this);
+}
+
+void
+game_update(Game *this)
+{
+	if (this->queue_next_scene) {
+		if (--this->queue_next_scene == 0) {
+			this->queue_restart_scene = 0;
+			map_next();
+			game_restart_scene(this);
+			return;
+		}
+	}
+	if (this->queue_restart_scene) {
+		if (--this->queue_restart_scene == 0)
+			game_restart_scene(this);
+	}
+	for (__auto_type i = 0; i < MAX_ENTITIES; i++) {
+		const __auto_type e = &this->entities[i];
+		if (e->type != 0 && e->update != NULL)
+			e->update(e, this);
+	}
+}
+
+void
+game_draw(Game *this)
+{
+	map_draw();
+	for (int i = 0; i < MAX_ENTITIES; i++) {
+		const __auto_type e = &this->entities[i];
+		if (e->type != 0 && e->draw != NULL)
+			e->draw(e, this);
+	}
+}
+
+void
+game_restart_scene(Game *this)
+{
+	memset(this->entities, 0, sizeof(this->entities));
+	unsigned int size;
+	const __auto_type objects = map_objects(&size);
+	for (__auto_type i = 0u; i < size; i++) {
+		const __auto_type object = &objects[i];
+		const __auto_type type = entity_type(object->name);
+		if (type == 0)
+			continue;
+		const __auto_type x = object->x + object->width / 2;
+		const __auto_type y = object->y + object->height / 2;
+		entity_init(game_create_entity(this), type, x, y);
+	}
+}
+
+Entity *
+game_create_entity(Game *this)
+{
+	__auto_type e = &this->entities[MAX_ENTITIES - 1];
+	for (__auto_type i = 0; i < MAX_ENTITIES; i++)
+		if (this->entities[i].type == 0) {
+			e = &this->entities[i];
+			break;
+		}
+	e->uuid = this->uuid++;
+	return e;
+}
+
+int
+game_entity_count(Game *this, unsigned int type)
+{
+	int count = 0;
+	for (__auto_type i = 0; i < MAX_ENTITIES; i++)
+		count += (this->entities[i].type == type);
+	return count;
+}
+
+Entity *
+game_get_entity(Game *this, unsigned int type)
+{
+	for (__auto_type i = 0; i < MAX_ENTITIES; i++)
+		if (this->entities[i].type == type)
+			return &this->entities[i];
+	return NULL;
+}