From 7ccb819f867493f8ec202ea3b39c94c198c64584 Mon Sep 17 00:00:00 2001
From: JustSomePwner <crotchyalt@gmail.com>
Date: Thu, 30 Aug 2018 14:01:54 +0200
Subject: first

---
 tf2/projectile_pred.cpp | 70 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 tf2/projectile_pred.cpp

(limited to 'tf2/projectile_pred.cpp')

diff --git a/tf2/projectile_pred.cpp b/tf2/projectile_pred.cpp
new file mode 100644
index 0000000..c54f712
--- /dev/null
+++ b/tf2/projectile_pred.cpp
@@ -0,0 +1,70 @@
+#include "projectile_pred.h"
+#include "sdk.h"
+#include "interfaces.h"
+
+namespace util
+{
+
+	vec3_t c_projectile_pred::predict_player( c_base_player* player ) {
+		if ( !player || !player->is_valid( ) ) return vec3_t{ };
+
+		static auto sv_gravity = cl.m_cvar( )->FindVar( "sv_gravity" ); //unnecessary for now
+		auto local = g_ctx.m_local;								//will be used for stuff like grenades
+																		//will also need to calculate friction etc
+		auto weapon = local->get_active_weapon( );
+		if ( !weapon ) return player->get_origin( );
+
+		float projectile_speed = get_projectile_speed( weapon );
+
+		vec3_t player_vel = player->get_velocity( );
+		vec3_t projectile_vel = vec3_t( );
+
+		float estimated_travel_time = ( local->get_eye_pos( ) - player->get_origin( ) ).length( ) / projectile_speed + cl.m_globals->interval_per_tick;
+		vec3_t estimated_predicted_pos = player->get_origin( ) + player_vel * estimated_travel_time;
+
+		return estimated_predicted_pos;
+	}
+
+	float c_projectile_pred::get_projectile_speed( c_base_weapon* weapon ) {
+		if ( !weapon )
+			return -1.f;
+		/*
+			this is completely hardcoded
+			if you can find a better way to figure this out
+			then please tell me
+			-- nave
+		*/
+
+		int id = weapon->GetClientClass( )->m_class_id;
+
+		float BeginCharge;
+		float Charge;
+
+		//return flSpeed;
+		switch ( id ) {
+		case ClientClassIDs::CTFGrenadeLauncher:
+			return 840.0f;
+		case ClientClassIDs::CTFRocketLauncher_DirectHit:
+			return 1980.0f;
+		case ClientClassIDs::CTFRocketLauncher:
+		case ClientClassIDs::CTFRocketLauncher_Mortar:
+			return 1100.0f;
+		case ClientClassIDs::CTFFlareGun:
+			return 1450.0f;
+		case ClientClassIDs::CTFBat_Wood:
+			return 1940.0f;
+		case ClientClassIDs::CTFSyringeGun:
+			return 990.0f;
+		case ClientClassIDs::CTFCompoundBow: {
+			return 0.f; //need more shit, cba now
+		}
+
+		default:
+			return -1.0f;
+		}
+
+		return -1.0f;
+	}
+}
+
+util::c_projectile_pred projectile_pred;
\ No newline at end of file
-- 
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