From d09fdf66b5885d8bf7de7a4629b33602d00d3c94 Mon Sep 17 00:00:00 2001
From: 8dcc <8dcc.git@gmail.com>
Date: Mon, 31 Jul 2023 15:55:01 +0200
Subject: [PATCH] Add bullet tracers

---
 src/features/features.h |  1 +
 src/features/misc.c     | 26 ++++++++++++++++++++++++++
 src/hooks.c             |  1 +
 3 files changed, 28 insertions(+)

diff --git a/src/features/features.h b/src/features/features.h
index 7bcfb0d..9f902fa 100644
--- a/src/features/features.h
+++ b/src/features/features.h
@@ -31,5 +31,6 @@ void aimbot(usercmd_t* cmd);
 
 /* src/features/misc.c */
 void custom_crosshair(void);
+void bullet_tracers(usercmd_t* cmd);
 
 #endif /* FEATURES_H_ */
diff --git a/src/features/misc.c b/src/features/misc.c
index d861753..9a0ed47 100644
--- a/src/features/misc.c
+++ b/src/features/misc.c
@@ -29,3 +29,29 @@ void custom_crosshair(void) {
     gl_drawline(mx - gap, my + gap, mx - gap - len, my + gap + len, w, col);
     gl_drawline(mx + gap, my + gap, mx + gap + len, my + gap + len, w, col);
 }
+
+void bullet_tracers(usercmd_t* cmd) {
+    /* Only draw if we are holding attack and we can shoot */
+    if (!CVAR_ON(tracers) || !(cmd->buttons & IN_ATTACK) || !can_shoot())
+        return;
+
+    /* Get player eye pos, start of tracer */
+    vec3_t view_height;
+    i_engine->pEventAPI->EV_LocalPlayerViewheight(view_height);
+    vec3_t local_eyes = vec_add(localplayer->origin, view_height);
+
+    /* Get forward vector from viewangles */
+    vec3_t fwd;
+    i_engine->pfnAngleVectors(cmd->viewangles, fwd, NULL, NULL);
+
+    const int tracer_len = 3000;
+    vec3_t end;
+    end.x = local_eyes.x + fwd.x * tracer_len;
+    end.y = local_eyes.y + fwd.y * tracer_len;
+    end.z = local_eyes.z + fwd.z * tracer_len;
+
+    /* NOTE: Change tracer settings here */
+    const float w    = 0.8;
+    const float time = 2;
+    draw_tracer(local_eyes, end, (rgb_t){ 66, 165, 245 }, 1, w, time);
+}
diff --git a/src/hooks.c b/src/hooks.c
index affa7e4..b9bbeaa 100644
--- a/src/hooks.c
+++ b/src/hooks.c
@@ -63,6 +63,7 @@ void h_CL_CreateMove(float frametime, usercmd_t* cmd, int active) {
 
     bhop(cmd);
     aimbot(cmd);
+    bullet_tracers(cmd);
 
     correct_movement(cmd, old_angles);
     vec_clamp(cmd->viewangles);