first

1 files changed, 37 insertions, 0 deletions

diff --git a/internal_rewrite/get_screen_size.cpp b/internal_rewrite/get_screen_size.cpp
new file mode 100644
index 0000000..1b89b24
--- /dev/null
+++ b/internal_rewrite/get_screen_size.cpp
@@ -0,0 +1,37 @@
+#include "hooks.hpp"
+#include "settings.hpp"
+
+#include <intrin.h>
+#include "context.hpp"
+#include "mem.hpp"
+
+void __fastcall hooks::get_screen_size( void* ecx, void* edx, int& w, int& h ) {
+	static auto get_screen_size_o = g_csgo.m_surface->get_old_function< decltype( &hooks::get_screen_size ) >( 44 );
+	static auto draw_crosshair_h = pattern::first_code_match( g_csgo.m_chl.dll( ), xors( "8B 4C 24 10 0F 57 D2 99" ) );
+
+	stack_t stack( get_baseptr( ) );
+	auto	ret = stack.next( ).return_address( );
+	//call original
+	get_screen_size_o( ecx, edx, w, h );
+
+	//alter screen width and height to adjust the crosshair position on screen
+	if( g_settings.visuals.recoil_crosshair && g_ctx.m_local ) {
+		if( ret == draw_crosshair_h || ret == draw_crosshair_h - 14 /* width call is 14 bytes above height call*/ ) {
+			w /= 2;
+			h /= 2;
+
+			vec3_t punch_angles = g_ctx.m_local->m_aimPunchAngle( ) * 2.f;
+
+			if( punch_angles.x < -0.1f ) {
+				float fov = g_ctx.m_fov;
+				float angle_step = h / fov;
+
+				w -= int( punch_angles.y * angle_step );
+				h += int( punch_angles.x * angle_step );
+			}
+
+			w *= 2;
+			h *= 2;
+		}
+	}
+}
\ No newline at end of file