Initial commit

src/game/enemy.h

@@ -0,0 +1,47 @@
+#ifndef JNR_ENEMY_H
+#define JNR_ENEMY_H
+
+#include "engine/entity.h"
+#include "engine/camera.h"
+#include "engine/tilemap.h"
+
+/* ── Grunt enemy ───────────────────────────────────── */
+/* A ground-patrolling enemy that walks back and forth  */
+
+#define GRUNT_WIDTH   12
+#define GRUNT_HEIGHT  16
+#define GRUNT_SPEED   40.0f    /* horizontal walk speed (px/s)  */
+#define GRUNT_HEALTH  2
+
+typedef struct GruntData {
+    float patrol_dir;          /* 1.0 or -1.0                   */
+    float death_timer;         /* countdown after dying         */
+} GruntData;
+
+void grunt_register(EntityManager *em);
+Entity *grunt_spawn(EntityManager *em, Vec2 pos);
+
+/* ── Flyer enemy ───────────────────────────────────── */
+/* A flying enemy that bobs up and down, moves toward   */
+/* the player when in range                             */
+
+#define FLYER_WIDTH   14
+#define FLYER_HEIGHT  12
+#define FLYER_SPEED   50.0f    /* horizontal chase speed (px/s) */
+#define FLYER_BOB_AMP 20.0f   /* vertical bob amplitude        */
+#define FLYER_BOB_SPD 2.5f    /* bob frequency (radians/s)     */
+#define FLYER_HEALTH  1
+#define FLYER_DETECT  120.0f  /* detection range (px)          */
+#define FLYER_SHOOT_CD 2.0f   /* seconds between shots         */
+
+typedef struct FlyerData {
+    float bob_timer;           /* for sine wave bobbing         */
+    float base_y;              /* original y position           */
+    float death_timer;
+    float shoot_timer;         /* cooldown for shooting         */
+} FlyerData;
+
+void flyer_register(EntityManager *em);
+Entity *flyer_spawn(EntityManager *em, Vec2 pos);
+
+#endif /* JNR_ENEMY_H */