From 5d6835ece38bf455951e242508a5f9f0f397c112 Mon Sep 17 00:00:00 2001
From: jacob <jacob@cagori.com>
Date: Sat, 11 Jan 2025 10:22:27 -0600
Subject: [PATCH] bullet_has_hit

---
 src/entity.h |  1 +
 src/game.c   | 52 +++++++++++++++++++++++++++-------------------------
 2 files changed, 28 insertions(+), 25 deletions(-)

diff --git a/src/entity.h b/src/entity.h
index 206bf7ab..9a6d6fa1 100644
--- a/src/entity.h
+++ b/src/entity.h
@@ -229,6 +229,7 @@ struct entity {
     struct v2 bullet_src_pos;
     struct v2 bullet_src_dir;
     f32 bullet_impulse;
+    b32 bullet_has_hit;  /* Has the bullet hit a target this tick */
 
     /* ====================================================================== */
     /* Testing */
diff --git a/src/game.c b/src/game.c
index beeec1ba..be5b21cd 100644
--- a/src/game.c
+++ b/src/game.c
@@ -960,33 +960,35 @@ INTERNAL void game_update(struct game_cmd_array game_cmds)
             if (entity_has_prop(e0, ENTITY_PROP_BULLET) || entity_has_prop(e1, ENTITY_PROP_BULLET)) {
                 struct entity *bullet = entity_has_prop(e0, ENTITY_PROP_BULLET) ? e0 : e1;
                 struct entity *target = e0 == bullet ? e1 : e0;
+                if (!bullet->bullet_has_hit) {
+                    bullet->bullet_has_hit = true;
+                    (UNUSED)bullet;
+                    (UNUSED)target;
+    #if 0
+                    {
+                        /* Set bullet position to hit position */
+                        struct xform xf = entity_get_xform(bullet);
+                        xf.og = event->point;
+                        entity_set_xform(bullet, xf);
+                        /* Release after publish so user sees bullet in final postiion */
+                        entity_enable_prop(bullet, ENTITY_PROP_RELEASE_AFTER_PUBLISH);
+                    }
+    #else
+                    entity_enable_prop(bullet, ENTITY_PROP_RELEASE_BEFORE_PUBLISH);
+    #endif
 
-                (UNUSED)bullet;
-                (UNUSED)target;
-#if 0
-                {
-                    /* Set bullet position to hit position */
-                    struct xform xf = entity_get_xform(bullet);
-                    xf.og = event->point;
-                    entity_set_xform(bullet, xf);
-                    /* Release after publish so user sees bullet in final postiion */
-                    entity_enable_prop(bullet, ENTITY_PROP_RELEASE_AFTER_PUBLISH);
-                }
-#else
-                entity_enable_prop(bullet, ENTITY_PROP_RELEASE_BEFORE_PUBLISH);
-#endif
+                    /* Create test blood */
+                    /* TODO: Remove this */
+                    {
+                        struct xform xf = XFORM_TRS(.t = event->point);
+                        struct entity *decal = entity_alloc(root);
+                        decal->sprite = sprite_tag_from_path(STR("res/graphics/blood.ase"));
+                        entity_set_xform(decal, xf);
 
-                /* Create test blood */
-                /* TODO: Remove this */
-                {
-                    struct xform xf = XFORM_TRS(.t = event->point);
-                    struct entity *decal = entity_alloc(root);
-                    decal->sprite = sprite_tag_from_path(STR("res/graphics/blood.ase"));
-                    entity_set_xform(decal, xf);
-
-                    entity_enable_prop(decal, ENTITY_PROP_PHYSICAL_KINEMATIC);
-                    decal->linear_velocity = v2_mul(v2_norm(event->normal), 0.5f);
-                    decal->angular_velocity = 1 - (((f32)sys_rand_u32() / (f32)U32_MAX) * 2);
+                        entity_enable_prop(decal, ENTITY_PROP_PHYSICAL_KINEMATIC);
+                        decal->linear_velocity = v2_mul(v2_norm(event->normal), 0.5f);
+                        decal->angular_velocity = 1 - (((f32)sys_rand_u32() / (f32)U32_MAX) * 2);
+                    }
                 }
             }
         }