From 918b23fc92e32d236125d81b6688d3ff0d439268 Mon Sep 17 00:00:00 2001
From: nullifiedcat <nullifiedcat@gmail.com>
Date: Sun, 12 Nov 2017 12:59:13 +0300
Subject: [PATCH] external drawing (does not work)

---
 .cproject               |   2 +-
 makefile                |  17 ++++-
 src/atlas.cpp           |   2 +-
 src/catpackets.h        |  86 +++++++++++++++++++++++++
 src/catpclient.c        |  87 +++++++++++++++++++++++++
 src/catpclient.h        |  29 +++++++++
 src/drawex.cpp          |  65 +++++++++++++++++++
 src/drawex.hpp          |  32 ++++++++++
 src/drawgl.cpp          |  51 +++++++--------
 src/drawgl.hpp          |  20 +++---
 src/drawing.h           |   2 +
 src/drawmgr.cpp         |   2 +-
 src/hacks/Aimbot.cpp    |   6 +-
 src/hacks/ESP.cpp       |  48 +++++++-------
 src/hacks/FollowBot.cpp |   6 +-
 src/hacks/Radar.cpp     |  16 ++---
 src/hacks/Walkbot.cpp   |   4 +-
 src/hooks/sdl.cpp       |  15 +----
 src/macros.hpp          |   2 +-
 src/pipepacket.c        | 136 ++++++++++++++++++++++++++++++++++++++++
 src/pipepacket.h        |  54 ++++++++++++++++
 src/prediction.cpp      |   2 +-
 src/xoverlay.cpp        |   8 +++
 23 files changed, 596 insertions(+), 96 deletions(-)
 create mode 100644 src/catpackets.h
 create mode 100644 src/catpclient.c
 create mode 100644 src/catpclient.h
 create mode 100644 src/drawex.cpp
 create mode 100644 src/drawex.hpp
 create mode 100644 src/pipepacket.c
 create mode 100644 src/pipepacket.h
 create mode 100644 src/xoverlay.cpp

diff --git a/.cproject b/.cproject
index 1bc6e9f1..b89c0724 100644
--- a/.cproject
+++ b/.cproject
@@ -35,7 +35,7 @@
 					<folderInfo id="cdt.managedbuild.config.gnu.exe.debug.1168214098." name="/" resourcePath="">
 						<toolChain id="cdt.managedbuild.toolchain.gnu.exe.debug.965909756" name="Linux GCC" nonInternalBuilderId="cdt.managedbuild.target.gnu.builder.exe.debug" superClass="cdt.managedbuild.toolchain.gnu.exe.debug">
 							<targetPlatform id="cdt.managedbuild.target.gnu.platform.exe.debug.1799148153" name="Debug Platform" superClass="cdt.managedbuild.target.gnu.platform.exe.debug"/>
-							<builder arguments="" buildPath="${workspace_loc:/cathook}" command="make" id="cdt.managedbuild.target.gnu.builder.exe.debug.1548213350" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" parallelBuildOn="true" parallelizationNumber="optimal" superClass="cdt.managedbuild.target.gnu.builder.exe.debug"/>
+							<builder arguments="build-debug-tf2" buildPath="${workspace_loc:/cathook}" command="bash" id="cdt.managedbuild.target.gnu.builder.exe.debug.1548213350" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" parallelBuildOn="true" parallelizationNumber="optimal" superClass="cdt.managedbuild.target.gnu.builder.exe.debug"/>
 							<tool id="cdt.managedbuild.tool.gnu.archiver.base.782611349" name="GCC Archiver" superClass="cdt.managedbuild.tool.gnu.archiver.base"/>
 							<tool command="g++" id="cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug.883030293" name="GCC C++ Compiler" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug">
 								<option id="gnu.cpp.compiler.exe.debug.option.optimization.level.908662295" name="Optimization Level" superClass="gnu.cpp.compiler.exe.debug.option.optimization.level" useByScannerDiscovery="false" value="gnu.cpp.compiler.optimization.level.none" valueType="enumerated"/>
diff --git a/makefile b/makefile
index b4973d96..6b9e137b 100644
--- a/makefile
+++ b/makefile
@@ -12,6 +12,7 @@
 #	NO_TF2_RENDERING - disable in-game rendering (does not work yet)
 #	TEXTMODE_STDIN - allows using console with textmode tf2
 #	TEXTMODE_VAC - allows joining VAC-secured servers in textmode
+#	EXTERNAL_RENDERING - enabled Xoverlay rendering, disables ImGui
 #
 
 GAME=tf2
@@ -22,6 +23,7 @@ ENABLE_IPC=1
 ENABLE_NULL_GRAPHICS=0
 TEXTMODE_STDIN=0
 TEXTMODE_VAC=0
+EXTERNAL_RENDERING=0
 DATA_PATH="/opt/cathook/data"
 NO_LTO=0
 ifdef CLANG
@@ -68,8 +70,14 @@ LD=ld.lld
 LDFLAGS+=-melf_i386
 endif
 
-DEFINES:=_GLIBCXX_USE_CXX11_ABI=0 _POSIX=1 FREETYPE_GL_USE_VAO=1 RAD_TELEMETRY_DISABLED=1 LINUX=1 USE_SDL=1 _LINUX=1 POSIX=1 GNUC=1 NO_MALLOC_OVERRIDE=1
-DEFINES+=ENABLE_VISUALS=$(ENABLE_VISUALS) ENABLE_GUI=$(ENABLE_GUI) ENABLE_IPC=$(ENABLE_IPC) BUILD_GAME=$(GAME) ENABLE_NULL_GRAPHICS=$(ENABLE_NULL_GRAPHICS) TEXTMODE_STDIN=$(TEXTMODE_STDIN) TEXTMODE_VAC=$(TEXTMODE_VAC) DATA_PATH="\"$(DATA_PATH)\""
+DEFINES=
+
+ifeq ($(EXTERNAL_RENDERING), 1)
+ENABLE_GUI=0
+endif
+
+DEFINES+=_GLIBCXX_USE_CXX11_ABI=0 _POSIX=1 FREETYPE_GL_USE_VAO=1 RAD_TELEMETRY_DISABLED=1 LINUX=1 USE_SDL=1 _LINUX=1 POSIX=1 GNUC=1 NO_MALLOC_OVERRIDE=1
+DEFINES+=XOVERLAY=$(EXTERNAL_RENDERING) ENABLE_VISUALS=$(ENABLE_VISUALS) ENABLE_GUI=$(ENABLE_GUI) ENABLE_IPC=$(ENABLE_IPC) BUILD_GAME=$(GAME) ENABLE_NULL_GRAPHICS=$(ENABLE_NULL_GRAPHICS) TEXTMODE_STDIN=$(TEXTMODE_STDIN) TEXTMODE_VAC=$(TEXTMODE_VAC) DATA_PATH="\"$(DATA_PATH)\""
 
 WARNING_FLAGS=-pedantic -Wall -Wextra -Wcast-align -Wcast-qual -Wctor-dtor-privacy -Wdisabled-optimization -Wformat=2 -Winit-self -Wlogical-op -Wmissing-declarations -Wmissing-include-dirs -Wnoexcept -Wold-style-cast -Woverloaded-virtual -Wredundant-decls -Wshadow -Wsign-conversion -Wsign-promo -Wstrict-null-sentinel -Wstrict-overflow=5 -Wswitch-default -Wundef
 COMMON_FLAGS=-fpermissive -O3 -shared -Wno-unknown-pragmas -fmessage-length=0 -m32 -fvisibility=hidden -fPIC -march=native -mtune=native
@@ -98,12 +106,15 @@ CXXFLAGS+=$(WARNING_FLAGS)
 endif
 
 ifeq ($(ENABLE_VISUALS),1)
+ifeq ($(EXTERNAL_RENDERING), 1)
+LDLIBS+=-loverlay
+endif
 INCLUDES+=-isystemsrc/freetype-gl -isystemsrc/imgui -isystem/usr/local/include/freetype2 -isystem/usr/include/freetype2
 LDLIBS+=-lssl -l:libSDL2-2.0.so.0 -l:libGLEW.so -l:libfreetype.so
 CXXFLAGS+=$(shell sdl2-config --cflags)
 CFLAGS+=$(shell sdl2-config --cflags)
 else
-EXCL_SOURCES:=hacks/ESP.cpp hacks/SkinChanger.cpp hacks/SpyAlert.cpp hacks/Radar.cpp fidgetspinner.cpp ftrender.cpp hooks/sdl.cpp drawing.cpp drawmgr.cpp drawgl.cpp hooks/PaintTraverse.cpp EffectChams.cpp EffectGlow.cpp atlas.cpp
+EXCL_SOURCES:=xoverlay.cpp catpclient.c pipepacket.c hacks/ESP.cpp hacks/SkinChanger.cpp hacks/SpyAlert.cpp hacks/Radar.cpp fidgetspinner.cpp ftrender.cpp hooks/sdl.cpp drawing.cpp drawmgr.cpp drawgl.cpp hooks/PaintTraverse.cpp EffectChams.cpp EffectGlow.cpp atlas.cpp
 EXCL_SOURCES:=$(addprefix $(SRC_DIR)/,$(EXCL_SOURCES))
 
 SOURCES:=$(filter-out $(shell find $(SRC_DIR)/gui -name "*.cpp" -print),$(SOURCES))
diff --git a/src/atlas.cpp b/src/atlas.cpp
index 8ec70eb1..7eacb3ec 100644
--- a/src/atlas.cpp
+++ b/src/atlas.cpp
@@ -21,7 +21,7 @@ AtlasTexture::AtlasTexture(float x, float y, float sx, float sy) {
 }
 
 void AtlasTexture::Draw(float x, float y, float sx, float sy) {
-	drawgl::TexturedRect(x, y, sx, sy, tex_coords[0].x, tex_coords[0].y, tex_coords[1].x, tex_coords[1].y);
+	drawgl::draw_rect_textured(x, y, sx, sy, tex_coords[0].x, tex_coords[0].y, tex_coords[1].x, tex_coords[1].y);
 }
 
 GLuint texture;
diff --git a/src/catpackets.h b/src/catpackets.h
new file mode 100644
index 00000000..758b3b2b
--- /dev/null
+++ b/src/catpackets.h
@@ -0,0 +1,86 @@
+/*
+ * catpackets.h
+ *
+ *  Created on: Nov 12, 2017
+ *      Author: nullifiedcat
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+enum
+{
+    CATP_DRAW_BEGIN,
+    CATP_DRAW_END,
+
+    CATP_DRAW_RECT,
+    CATP_DRAW_RECT_OUTLINE,
+    CATP_DRAW_LINE,
+    CATP_DRAW_STRING,
+    CATP_DRAW_CIRCLE,
+
+/*  CATP_DRAW_ESP_BOX,
+    CATP_DRAW_ESP_BONE_LIST, */
+
+    CATP_TOTAL
+};
+
+struct catp_draw_begin_t
+{
+    float world_to_screen[16];
+};
+
+struct catp_draw_rect_t
+{
+    float x;
+    float y;
+    float w;
+    float h;
+    float rgba[4];
+};
+
+struct catp_draw_rect_outline_t
+{
+    float x;
+    float y;
+    float w;
+    float h;
+    float rgba[4];
+    float thickness;
+};
+
+struct catp_draw_line_t
+{
+    float x;
+    float y;
+    float dx;
+    float dy;
+    float rgba[4];
+    float thickness;
+};
+
+struct catp_draw_circle_t
+{
+    float x;
+    float y;
+    float radius;
+    float rgba[4];
+    float thickness;
+    int steps;
+};
+
+struct catp_draw_string_t
+{
+    float x;
+    float y;
+    float rgba[4];
+    uint32_t length;
+};
+
+/*
+struct catp_draw_esp_box_t
+{
+
+};
+*/
diff --git a/src/catpclient.c b/src/catpclient.c
new file mode 100644
index 00000000..e6c21bf3
--- /dev/null
+++ b/src/catpclient.c
@@ -0,0 +1,87 @@
+/*
+ * catpclient.c
+ *
+ *  Created on: Nov 12, 2017
+ *      Author: nullifiedcat
+ */
+
+#include "catpclient.h"
+#include "catpackets.h"
+#include "pipepacket.h"
+
+void
+cat_send_render_packet_begin(int fd, float *world_to_screen)
+{
+    struct catp_draw_begin_t packet;
+    memcpy(packet.world_to_screen, world_to_screen, sizeof(float) * 16);
+    pipe_packet_send(fd, CATP_DRAW_BEGIN, sizeof(packet), &packet);
+}
+
+void
+cat_send_render_packet_end(int fd)
+{
+    pipe_packet_send(fd, CATP_DRAW_END, 0, 0);
+}
+
+void
+cat_send_render_packet_rect(int fd, float x, float y, float w, float h, float *rgba)
+{
+    struct catp_draw_rect_t packet;
+    packet.x = x;
+    packet.y = y;
+    packet.h = h;
+    packet.w = w;
+    memcpy(packet.rgba, rgba, sizeof(float) * 4);
+    pipe_packet_send(fd, CATP_DRAW_RECT, sizeof(packet), &packet);
+}
+
+void
+cat_send_render_packet_rect_outline(int fd, float x, float y, float w, float h, float *rgba, float thickness)
+{
+    struct catp_draw_rect_outline_t packet;
+    packet.x = x;
+    packet.y = y;
+    packet.h = h;
+    packet.w = w;
+    memcpy(packet.rgba, rgba, sizeof(float) * 4);
+    packet.thickness = thickness;
+    pipe_packet_send(fd, CATP_DRAW_RECT_OUTLINE, sizeof(packet), &packet);
+}
+
+void
+cat_send_render_packet_line(int fd, float x, float y, float dx, float dy, float *rgba, float thickness)
+{
+    struct catp_draw_line_t packet;
+    packet.x = x;
+    packet.y = y;
+    packet.dx = dx;
+    packet.dy = dy;
+    memcpy(packet.rgba, rgba, sizeof(float) * 4);
+    packet.thickness = thickness;
+    pipe_packet_send(fd, CATP_DRAW_LINE, sizeof(packet), &packet);
+}
+
+void
+cat_send_render_packet_string(int fd, float x, float y, const char *string, float *rgba)
+{
+    struct catp_draw_string_t packet;
+    packet.x = x;
+    packet.y = y;
+    memcpy(packet.rgba, rgba, sizeof(float) * 4);
+    packet.length = strlen(string);
+    pipe_packet_send(fd, CATP_DRAW_STRING, sizeof(packet), &packet);
+    pipe_packet_write_manual(fd, packet.length, string);
+}
+
+void
+cat_send_render_packet_circle(int fd, float x, float y, float radius, float *rgba, float thickness, int steps)
+{
+    struct catp_draw_circle_t packet;
+    packet.x = x;
+    packet.y = y;
+    packet.radius = radius;
+    packet.thickness = thickness;
+    packet.steps = steps;
+    memcpy(packet.rgba, rgba, sizeof(float) * 4);
+    pipe_packet_send(fd, CATP_DRAW_CIRCLE, sizeof(packet), &packet);
+}
diff --git a/src/catpclient.h b/src/catpclient.h
new file mode 100644
index 00000000..7e21a227
--- /dev/null
+++ b/src/catpclient.h
@@ -0,0 +1,29 @@
+/*
+ * catpclient.h
+ *
+ *  Created on: Nov 12, 2017
+ *      Author: nullifiedcat
+ */
+
+#pragma once
+
+void
+cat_send_render_packet_begin(int fd, float *world_to_screen);
+
+void
+cat_send_render_packet_end(int fd);
+
+void
+cat_send_render_packet_rect(int fd, float x, float y, float w, float h, const float *rgba);
+
+void
+cat_send_render_packet_rect_outline(int fd, float x, float y, float w, float h, const float *rgba, float thickness);
+
+void
+cat_send_render_packet_line(int fd, float x, float y, float dx, float dy, const float *rgba, float thickness);
+
+void
+cat_send_render_packet_string(int fd, float x, float y, const char *string, const float *rgba);
+
+void
+cat_send_render_packet_circle(int fd, float x, float y, float radius, const float *rgba, float thickness, int steps);
diff --git a/src/drawex.cpp b/src/drawex.cpp
new file mode 100644
index 00000000..a31d9b77
--- /dev/null
+++ b/src/drawex.cpp
@@ -0,0 +1,65 @@
+/*
+ * drawex.cpp
+ *
+ *  Created on: Nov 12, 2017
+ *      Author: nullifiedcat
+ */
+
+#include "drawex.hpp"
+#include "catpclient.h"
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+
+const char *drawex_pipe_name = "/tmp/cathook-rendering-pipe";
+
+namespace drawex
+{
+
+int pipe_fd;
+
+namespace api
+{
+
+void intialize()
+{
+    pipe_fd = open(drawex_pipe_name, O_WRONLY);
+}
+
+void draw_rect(float x, float y, float w, float h, const float* rgba = colors::white)
+{
+    cat_send_render_packet_rect(pipe_fd, x, y, w, h, rgba);
+}
+
+void draw_rect_outlined(float x, float y, float w, float h, const float* rgba = colors::white, float thickness)
+{
+    cat_send_render_packet_rect_outline(pipe_fd, x, y, w, h, rgba, thickness);
+}
+
+void draw_line(float x, float y, float dx, float dy, const float* rgba = colors::white, float thickness)
+{
+    cat_send_render_packet_line(pipe_fd, x, y, dx, dy, rgba, thickness);
+}
+
+void draw_rect_textured(float x, float y, float w, float h, const float* rgba = colors::white, float u, float v, float s, float t)
+{
+    static_assert(0, "draw_rect_textured is not implemented");
+}
+
+void draw_begin()
+{
+    cat_send_render_packet_begin(pipe_fd, draw::wts.Base());
+}
+
+void draw_end()
+{
+    cat_send_render_packet_end(pipe_fd);
+}
+
+}}
+
+
diff --git a/src/drawex.hpp b/src/drawex.hpp
new file mode 100644
index 00000000..ce975377
--- /dev/null
+++ b/src/drawex.hpp
@@ -0,0 +1,32 @@
+/*
+ * drawex.hpp
+ *
+ *  Created on: Nov 12, 2017
+ *      Author: nullifiedcat
+ */
+
+#pragma once
+
+#define draw_api drawex::api
+
+namespace drawex
+{
+
+extern int pipe_fd;
+
+namespace api
+{
+
+void intialize();
+
+void draw_rect(float x, float y, float w, float h, const float* rgba = colors::white);
+void draw_rect_outlined(float x, float y, float w, float h, const float* rgba = colors::white, float thickness);
+void draw_line(float x, float y, float dx, float dy, const float* rgba = colors::white, float thickness);
+void draw_rect_textured(float x, float y, float w, float h, const float* rgba = colors::white, float u, float v, float s, float t);
+
+void draw_begin();
+void draw_end();
+
+}
+
+}
diff --git a/src/drawgl.cpp b/src/drawgl.cpp
index ec42c83c..76b9161f 100644
--- a/src/drawgl.cpp
+++ b/src/drawgl.cpp
@@ -32,7 +32,7 @@ mat4 model, view, projection;
 
 bool ready_state = false;
 
-void Initialize() {
+void intialize() {
 	buffer_lines = vertex_buffer_new("vertex:2f,color:4f");
 	buffer_triangles_plain = vertex_buffer_new("vertex:2f,color:4f");
 	buffer_triangles_textured = vertex_buffer_new("vertex:2f,tex_coord:2f,color:4f");
@@ -65,14 +65,14 @@ void Initialize() {
 	textures::Init();
 
 	// Do not fucking ask. Without this, it crashes.
-	drawgl::Rect(0, 0, 0, 0);
-	drawgl::FilledRect(0, 0, 0, 0);
-	drawgl::TexturedRect(0, 0, 0, 0, 0, 0, 0, 0);
+	drawgl::draw_rect_outlined(0, 0, 0, 0);
+	drawgl::draw_rect(0, 0, 0, 0);
+	drawgl::draw_rect_textured(0, 0, 0, 0, 0, 0, 0, 0);
 	ready_state = true;
-	Render();
+	draw_end();
 }
 
-void FilledRect(float x, float y, float w, float h, const float* rgba) {
+void draw_rect(float x, float y, float w, float h, const float* rgba) {
 	GLuint idx = buffer_triangles_plain->vertices->size;
 	//
 	// 3 - 2
@@ -90,7 +90,7 @@ void FilledRect(float x, float y, float w, float h, const float* rgba) {
 	vertex_buffer_push_back_vertices(buffer_triangles_plain, vertices, 4);
 }
 
-void Line(float x, float y, float dx, float dy, const float* rgba) {
+void draw_line(float x, float y, float dx, float dy, const float* rgba) {
 	GLuint idx = buffer_lines->vertices->size;
 	GLuint indices[] = { idx, idx + 1 };
 	vertex_v2c4_t vertices[] = {
@@ -101,7 +101,7 @@ void Line(float x, float y, float dx, float dy, const float* rgba) {
 	vertex_buffer_push_back_vertices(buffer_lines, vertices, 2);
 }
 
-void Rect(float x, float y, float w, float h, const float* rgba) {
+void draw_rect_outlined(float x, float y, float w, float h, const float* rgba) {
 	GLuint idx = buffer_lines->vertices->size;
 	GLuint indices[] = { idx, idx + 1, idx + 1, idx + 2, idx + 2, idx + 3, idx + 3, idx };
 	vertex_v2c4_t vertices[] = {
@@ -114,7 +114,7 @@ void Rect(float x, float y, float w, float h, const float* rgba) {
 	vertex_buffer_push_back_vertices(buffer_lines, vertices, 4);
 }
 
-void TexturedRect(float x, float y, float w, float h, float u, float v, float u2, float v2, const float* rgba) {
+void draw_rect_textured(float x, float y, float w, float h, float u, float v, float u2, float v2, const float* rgba) {
 	GLuint idx = buffer_triangles_textured->vertices->size;
 	GLuint indices[] = { idx, idx + 1, idx + 2, idx, idx + 2, idx + 3 };
 	vertex_v2t2c4_t vertices[] = {
@@ -127,13 +127,13 @@ void TexturedRect(float x, float y, float w, float h, float u, float v, float u2
 	vertex_buffer_push_back_vertices(buffer_triangles_textured, vertices, 4);
 }
 
-void Refresh() {
+void draw_begin() {
 	vertex_buffer_clear(buffer_triangles_plain);
 	vertex_buffer_clear(buffer_triangles_textured);
 	vertex_buffer_clear(buffer_lines);
 }
 
-void PreRender() {
+void render_begin() {
 	glPushAttrib(GL_CURRENT_BIT | GL_ENABLE_BIT | GL_LIGHTING_BIT | GL_TEXTURE_BIT | GL_COLOR_BUFFER_BIT);
 
 	glEnable(GL_BLEND);
@@ -158,20 +158,21 @@ void PreRender() {
 	glEnableClientState(GL_INDEX_ARRAY);
 }
 
-void PostRender() {
-	glUseProgram(0);
-	glBindTexture(GL_TEXTURE_2D, 0);
-	glPopClientAttrib();
-	glPopAttrib();
-}
+void render() {
+    PROF_SECTION(DRAW_rendering_gl);
 
-void Render() {
-	glUseProgram(shader_v2fc4f);
-	vertex_buffer_render(buffer_triangles_plain, GL_TRIANGLES);
-	vertex_buffer_render(buffer_lines, GL_LINES);
-	glUseProgram(shader_v2ft2fc4f);
-	glBindTexture(GL_TEXTURE_2D, textures::texture);
-	vertex_buffer_render(buffer_triangles_textured, GL_TRIANGLES);
-}
+    glUseProgram(shader_v2fc4f);
+    vertex_buffer_render(buffer_triangles_plain, GL_TRIANGLES);
+    vertex_buffer_render(buffer_lines, GL_LINES);
+    glUseProgram(shader_v2ft2fc4f);
+    glBindTexture(GL_TEXTURE_2D, textures::texture);
+    vertex_buffer_render(buffer_triangles_textured, GL_TRIANGLES);
+    FTGL_Render();
+
+    glUseProgram(0);
+    glBindTexture(GL_TEXTURE_2D, 0);
+    glPopClientAttrib();
+    glPopAttrib();
 
 }
+}
diff --git a/src/drawgl.hpp b/src/drawgl.hpp
index e2c76067..396059b8 100644
--- a/src/drawgl.hpp
+++ b/src/drawgl.hpp
@@ -10,6 +10,8 @@
 
 #include "drawing.h"
 
+#define draw_api drawgl::api
+
 extern "C" {
 #include "freetype-gl/vec234.h"
 #include "freetype-gl/vertex-buffer.h"
@@ -28,25 +30,23 @@ struct vertex_v2t2c4_t {
 	ftgl::vec4 rgba;
 };
 
-
 extern ftgl::vertex_buffer_t* buffer_lines;
 extern ftgl::vertex_buffer_t* buffer_triangles_plain;
 extern ftgl::vertex_buffer_t* buffer_triangles_textured;
 
 extern const float white[4];
 
-void Initialize();
+void intialize();
 
-void FilledRect(float x, float y, float w, float h, const float* rgba = white);
-void Line(float x, float y, float dx, float dy, const float* rgba = white);
-void Rect(float x, float y, float w, float h, const float* rgba = white);
-void TexturedRect(float x, float y, float w, float h, float u, float v, float u2, float v2, const float* rgba = white);
+void draw_rect(float x, float y, float w, float h, const float* rgba = white);
+void draw_line(float x, float y, float dx, float dy, const float* rgba = white);
+void draw_rect_outlined(float x, float y, float w, float h, const float* rgba = white);
+void draw_rect_textured(float x, float y, float w, float h, float u, float v, float u2, float v2, const float* rgba = white);
 
-void Refresh();
-void Render();
+void draw_begin();
+void draw_end();
 
-void PreRender();
-void PostRender();
+void render();
 
 extern bool ready_state;
 
diff --git a/src/drawing.h b/src/drawing.h
index 7136c961..03def5d4 100644
--- a/src/drawing.h
+++ b/src/drawing.h
@@ -34,6 +34,8 @@ void DrawStrings();
 
 namespace draw {
 
+extern VMatrix wts;
+
 extern int width;
 extern int height;
 extern float fov;
diff --git a/src/drawmgr.cpp b/src/drawmgr.cpp
index 4dd1b5f3..fe571862 100644
--- a/src/drawmgr.cpp
+++ b/src/drawmgr.cpp
@@ -12,7 +12,7 @@ void BeginCheatVisuals() {
 	std::lock_guard<std::mutex> draw_lock(drawing_mutex);
 	if (drawgl::ready_state) {
 		FTGL_NewFrame();
-		drawgl::Refresh();
+		drawgl::draw_begin();
 		ResetStrings();
 	}
 }
diff --git a/src/hacks/Aimbot.cpp b/src/hacks/Aimbot.cpp
index e7db6d57..cafa2066 100644
--- a/src/hacks/Aimbot.cpp
+++ b/src/hacks/Aimbot.cpp
@@ -838,7 +838,7 @@ void DrawText() {
 						px = width / 2 + radius * cos(ang);
 						py = height / 2 + radius * sin(ang);
 					}
-					drawgl::Line(px, py, x - px, y - py, color);
+					drawgl::draw_line(px, py, x - px, y - py, color);
 					px = x;
 					py = y;
 				}
@@ -853,8 +853,8 @@ void DrawText() {
 			Vector screen;
 			Vector oscreen;
 			if (draw::WorldToScreen(calculated_data_array[i].aim_position, screen) && draw::WorldToScreen(ent->m_vecOrigin, oscreen)) {
-				drawgl::FilledRect(screen.x - 2, screen.y - 2, 4, 4);
-				drawgl::Line(oscreen.x, oscreen.y, screen.x - oscreen.x, screen.y - oscreen.y);
+				drawgl::draw_rect(screen.x - 2, screen.y - 2, 4, 4);
+				drawgl::draw_line(oscreen.x, oscreen.y, screen.x - oscreen.x, screen.y - oscreen.y);
 			}
 		}
 	}
diff --git a/src/hacks/ESP.cpp b/src/hacks/ESP.cpp
index 41e28162..323bd766 100644
--- a/src/hacks/ESP.cpp
+++ b/src/hacks/ESP.cpp
@@ -146,7 +146,7 @@ struct bonelist_s {
 				return;
 			}
 			if (i > 0) {
-				drawgl::Line(last_screen.x, last_screen.y, current_screen.x - last_screen.x, current_screen.y - last_screen.y, color);
+				drawgl::draw_line(last_screen.x, last_screen.y, current_screen.x - last_screen.x, current_screen.y - last_screen.y, color);
 			}
 			last_screen = current_screen;
 		}
@@ -300,7 +300,7 @@ void _FASTCALL ProcessEntityPT(CachedEntity* ent) {
 		draw::WorldToScreen(ent->m_vecOrigin, scn);
 		
 		// Draw a line
-		drawgl::Line(scn.x, scn.y, width - scn.x, height - scn.y, fg);
+		drawgl::draw_line(scn.x, scn.y, width - scn.x, height - scn.y, fg);
 	}
 	
 	// Sightline esp
@@ -379,7 +379,7 @@ void _FASTCALL ProcessEntityPT(CachedEntity* ent) {
 				}
 				// We have both vectors, draw
 				if (found_scn1) {
-					drawgl::Line(scn1.x, scn1.y, scn2.x - scn1.x, scn2.y - scn1.y, fg);
+					drawgl::draw_line(scn1.x, scn1.y, scn2.x - scn1.x, scn2.y - scn1.y, fg);
 				}
 			}
 		}
@@ -466,8 +466,8 @@ void _FASTCALL ProcessEntityPT(CachedEntity* ent) {
 				int hbh = (max_y - min_y - 2) * min((float)health / (float)healthmax, 1.0f);
 
 				// Draw
-				drawgl::Rect(min_x - 7, min_y, 7, max_y - min_y, border);
-				drawgl::FilledRect(min_x - 6, max_y - hbh - 1, 5, hbh, hp);
+				drawgl::draw_rect_outlined(min_x - 7, min_y, 7, max_y - min_y, border);
+				drawgl::draw_rect(min_x - 6, max_y - hbh - 1, 5, hbh, hp);
 			}
 		}
 	}
@@ -905,9 +905,9 @@ void _FASTCALL DrawBox(CachedEntity* ent, const rgba_t& clr) {
 		BoxCorners(min_x, min_y, max_x, max_y, clr, (clr.a != 1.0f));
 	// Otherwise, we just do simple draw funcs
 	else {
-		drawgl::Rect(min_x, min_y, max_x - min_x, max_y - min_y, border);
-		drawgl::Rect(min_x + 1, min_y + 1, max_x - min_x - 2, max_y - min_y - 2, clr);
-		drawgl::Rect(min_x + 2, min_y + 2, max_x - min_x - 4, max_y - min_y - 4, border);
+		drawgl::draw_rect_outlined(min_x, min_y, max_x - min_x, max_y - min_y, border);
+		drawgl::draw_rect_outlined(min_x + 1, min_y + 1, max_x - min_x - 2, max_y - min_y - 2, clr);
+		drawgl::draw_rect_outlined(min_x + 2, min_y + 2, max_x - min_x - 4, max_y - min_y - 4, border);
 	}
 }
 	
@@ -918,31 +918,31 @@ void BoxCorners(int minx, int miny, int maxx, int maxy, const rgba_t& color, boo
 	
 	// Black corners
 	// Top Left
-	drawgl::FilledRect(minx, miny, size, 3, black);
-	drawgl::FilledRect(minx, miny + 3, 3, size - 3, black);
+	drawgl::draw_rect(minx, miny, size, 3, black);
+	drawgl::draw_rect(minx, miny + 3, 3, size - 3, black);
 	// Top Right
-	drawgl::FilledRect(maxx - size + 1, miny, size, 3, black);
-	drawgl::FilledRect(maxx - 3 + 1, miny + 3, 3, size - 3, black);
+	drawgl::draw_rect(maxx - size + 1, miny, size, 3, black);
+	drawgl::draw_rect(maxx - 3 + 1, miny + 3, 3, size - 3, black);
 	// Bottom Left
-	drawgl::FilledRect(minx, maxy - 3, size, 3, black);
-	drawgl::FilledRect(minx, maxy - size, 3, size - 3, black);
+	drawgl::draw_rect(minx, maxy - 3, size, 3, black);
+	drawgl::draw_rect(minx, maxy - size, 3, size - 3, black);
 	// Bottom Right
-	drawgl::FilledRect(maxx - size + 1, maxy - 3, size, 3, black);
-	drawgl::FilledRect(maxx - 2, maxy - size, 3, size - 3, black);
+	drawgl::draw_rect(maxx - size + 1, maxy - 3, size, 3, black);
+	drawgl::draw_rect(maxx - 2, maxy - size, 3, size - 3, black);
 
 	// Colored corners
 	// Top Left
-	drawgl::Line(minx + 1, miny + 1, size - 2, 0, color);
-	drawgl::Line(minx + 1, miny + 1, 0, size - 2, color);
+	drawgl::draw_line(minx + 1, miny + 1, size - 2, 0, color);
+	drawgl::draw_line(minx + 1, miny + 1, 0, size - 2, color);
 	// Top Right
-	drawgl::Line(maxx - 1, miny + 1, -(size - 2), 0, color);
-	drawgl::Line(maxx - 1, miny + 1, 0, size - 2, color);
+	drawgl::draw_line(maxx - 1, miny + 1, -(size - 2), 0, color);
+	drawgl::draw_line(maxx - 1, miny + 1, 0, size - 2, color);
 	// Bottom Left
-	drawgl::Line(minx + 1, maxy - 2, size - 2, 0, color);
-	drawgl::Line(minx + 1, maxy - 2, 0, -(size - 2), color);
+	drawgl::draw_line(minx + 1, maxy - 2, size - 2, 0, color);
+	drawgl::draw_line(minx + 1, maxy - 2, 0, -(size - 2), color);
 	// Bottom Right
-	drawgl::Line(maxx - 1, maxy - 2, -(size - 2), 0, color);
-	drawgl::Line(maxx - 1, maxy - 2, 0, -(size - 2), color);
+	drawgl::draw_line(maxx - 1, maxy - 2, -(size - 2), 0, color);
+	drawgl::draw_line(maxx - 1, maxy - 2, 0, -(size - 2), color);
 }
 
 // Used for caching collidable bounds
diff --git a/src/hacks/FollowBot.cpp b/src/hacks/FollowBot.cpp
index 5822ec18..4b30dd5b 100644
--- a/src/hacks/FollowBot.cpp
+++ b/src/hacks/FollowBot.cpp
@@ -790,7 +790,7 @@ void DrawFollowbot() {
 			// Get the entity vector to screen and draw a rect on it
 			Vector scn;	
 			draw::WorldToScreen(breadcrumbs[crumbBottom], scn);
-			drawgl::FilledRect(scn.x - 3, scn.y - 3, 6, 6);	
+			drawgl::draw_rect(scn.x - 3, scn.y - 3, 6, 6);	
 		}
 		
 		// Return as we have nothing else to do
@@ -819,11 +819,11 @@ void DrawFollowbot() {
 		draw::WorldToScreen(breadcrumbs[tmpCrumb2], scnEnd);
 
 		// Draw a line from one crumb to the other
-		drawgl::Line(scnSrt.x, scnSrt.y, scnEnd.x - scnSrt.x, scnEnd.y - scnSrt.y, colors::white);	
+		drawgl::draw_line(scnSrt.x, scnSrt.y, scnEnd.x - scnSrt.x, scnEnd.y - scnSrt.y, colors::white);	
 
 		// If this is our first iteration, draw a box on 1
 		if (i == 0)
-			drawgl::FilledRect(scnSrt.x - 3, scnSrt.y - 3, 6, 6);	
+			drawgl::draw_rect(scnSrt.x - 3, scnSrt.y - 3, 6, 6);	
 	}
 	return;
 }
diff --git a/src/hacks/Radar.cpp b/src/hacks/Radar.cpp
index 98e0f6e8..f10bbcc1 100644
--- a/src/hacks/Radar.cpp
+++ b/src/hacks/Radar.cpp
@@ -90,15 +90,15 @@ void DrawEntity(int x, int y, CachedEntity* ent) {
 				tx_classes[2][clazz - 1].get()->Draw(x + wtr.first, y + wtr.second, (int)icon_size, (int)icon_size);
 			} else {
 				tx_classes[idx][clazz - 1].get()->Draw(x + wtr.first, y + wtr.second, (int)icon_size, (int)icon_size);
-				drawgl::Rect(x + wtr.first, y + wtr.second, (int)icon_size, (int)icon_size, idx ? colors::blu_v : colors::red_v);
+				drawgl::draw_rect_outlined(x + wtr.first, y + wtr.second, (int)icon_size, (int)icon_size, idx ? colors::blu_v : colors::red_v);
 			}
 
 			if (ent->m_iMaxHealth && healthbar) {
 				healthp = (float)ent->m_iHealth / (float)ent->m_iMaxHealth;
 				clr = colors::Health(ent->m_iHealth, ent->m_iMaxHealth);
 				if (healthp > 1.0f) healthp = 1.0f;
-				drawgl::Rect(x + wtr.first, y + wtr.second + (int)icon_size, (int)icon_size, 4, colors::black);
-				drawgl::FilledRect(x + wtr.first + 1, y + wtr.second + (int)icon_size + 1, ((float)icon_size - 2.0f) * healthp, 2, clr);
+				drawgl::draw_rect_outlined(x + wtr.first, y + wtr.second + (int)icon_size, (int)icon_size, 4, colors::black);
+				drawgl::draw_rect(x + wtr.first + 1, y + wtr.second + (int)icon_size + 1, ((float)icon_size - 2.0f) * healthp, 2, clr);
 			}
 		} else if (ent->m_Type == ENTITY_BUILDING) {
 			/*if (ent->m_iClassID == CL_CLASS(CObjectDispenser)) {
@@ -147,8 +147,8 @@ void Draw() {
 
 	outlineclr = (hacks::shared::aimbot::foundTarget ? colors::pink : GUIColor());
 
-	drawgl::FilledRect(x, y, radar_size, radar_size, colors::Transparent(colors::black, 0.4f));
-	drawgl::Rect(x, y, radar_size, radar_size, outlineclr);
+	drawgl::draw_rect(x, y, radar_size, radar_size, colors::Transparent(colors::black, 0.4f));
+	drawgl::draw_rect_outlined(x, y, radar_size, radar_size, outlineclr);
 
 	if (enemies_over_teammates) enemies.clear();
 	for (int i = 1; i < HIGHEST_ENTITY; i++) {
@@ -173,11 +173,11 @@ void Draw() {
 		DrawEntity(x, y, LOCAL_E);
 		const auto& wtr = WorldToRadar(g_pLocalPlayer->v_Origin.x, g_pLocalPlayer->v_Origin.y);
 		if (!use_icons)
-			drawgl::Rect(x + wtr.first, y + wtr.second, int(icon_size), int(icon_size), GUIColor());
+			drawgl::draw_rect_outlined(x + wtr.first, y + wtr.second, int(icon_size), int(icon_size), GUIColor());
 	}
 
-	drawgl::Line(x + half_size, y + half_size / 2, 0, half_size, colors::Transparent(GUIColor(), 0.4f));
-	drawgl::Line(x + half_size / 2, y + half_size, half_size, 0, colors::Transparent(GUIColor(), 0.4f));
+	drawgl::draw_line(x + half_size, y + half_size / 2, 0, half_size, colors::Transparent(GUIColor(), 0.4f));
+	drawgl::draw_line(x + half_size / 2, y + half_size, half_size, 0, colors::Transparent(GUIColor(), 0.4f));
 }
 
 }}}
diff --git a/src/hacks/Walkbot.cpp b/src/hacks/Walkbot.cpp
index e7e52cd2..c3476e32 100644
--- a/src/hacks/Walkbot.cpp
+++ b/src/hacks/Walkbot.cpp
@@ -828,7 +828,7 @@ void DrawConnection(index_t a, connection_s& b) {
 	if 		((a_.flags & b_.flags) & NF_JUMP) color = &colors::yellow;
 	else if ((a_.flags & b_.flags) & NF_DUCK) color = &colors::green;
 
-	drawgl::Line(wts_a.x, wts_a.y, wts_c.x - wts_a.x, wts_c.y - wts_a.y, color->rgba);
+	drawgl::draw_line(wts_a.x, wts_a.y, wts_c.x - wts_a.x, wts_c.y - wts_a.y, color->rgba);
 
 	if (draw_connection_flags && b.flags != CF_GOOD) {
 		std::string flags;
@@ -868,7 +868,7 @@ void DrawNode(index_t node, bool draw_back) {
 		if (node == state::active_node)
 			color = &colors::red;
 
-		drawgl::FilledRect(wts.x - node_size, wts.y - node_size, 2 * node_size, 2 * node_size, color->rgba);
+		drawgl::draw_rect(wts.x - node_size, wts.y - node_size, 2 * node_size, 2 * node_size, color->rgba);
 	}
 
 	if (draw_indices) {
diff --git a/src/hooks/sdl.cpp b/src/hooks/sdl.cpp
index 5e3e7504..171f62e7 100644
--- a/src/hooks/sdl.cpp
+++ b/src/hooks/sdl.cpp
@@ -46,7 +46,7 @@ void SDL_GL_SwapWindow_hook(SDL_Window* window) {
 			ctx_text = SDL_GL_CreateContext(window);
 			FTGL_Init();
 			textures::Init();
-			drawgl::Initialize();
+			drawgl::intialize();
 		}
 
 		if (!cathook) {
@@ -58,18 +58,7 @@ void SDL_GL_SwapWindow_hook(SDL_Window* window) {
 		SDL_GL_MakeCurrent(window, ctx_text);
 		{
 			std::lock_guard<std::mutex> draw_lock(drawing_mutex);
-			drawgl::PreRender();
-			{
-				PROF_SECTION(DRAW_gl);
-				drawgl::Render();
-			}
-
-			{
-				PROF_SECTION(DRAW_freetype);
-				FTGL_Render();
-			}
-
-			drawgl::PostRender();
+                        drawgl::render();
 		}
 		SDL_GL_MakeCurrent(window, ctx_imgui);
 		{
diff --git a/src/macros.hpp b/src/macros.hpp
index 62fa5759..387f92ce 100644
--- a/src/macros.hpp
+++ b/src/macros.hpp
@@ -8,5 +8,5 @@
 #pragma once
 
 #ifndef DATA_PATH
-#	define DATA_PATH "/opt/cathook-data"
+#	define DATA_PATH "/opt/cathook"
 #endif
diff --git a/src/pipepacket.c b/src/pipepacket.c
new file mode 100644
index 00000000..0b5cbeed
--- /dev/null
+++ b/src/pipepacket.c
@@ -0,0 +1,136 @@
+/*
+ * pipepacket.c
+ *
+ *  Created on: Nov 12, 2017
+ *      Author: nullifiedcat
+ */
+
+#include "pipepacket.h"
+
+#include <unistd.h>
+#include <stdio.h>
+
+int
+pipe_packet_send(int fd, uint16_t type, uint32_t length, void *data)
+{
+    int status;
+    unsigned total = 0;
+    unsigned size = 0;
+
+    struct pipe_packet_header_t header;
+    header.magic = PIPE_PACKET_MAGIC;
+    header.type = type;
+    header.length = length;
+
+    if (pipe_packet_write_manual(fd, sizeof(struct pipe_packet_header_t), &header) < 0)
+        return -1;
+    if (length != 0)
+    {
+        if (pipe_packet_write_manual(fd, length, data) < 0)
+            return -1;
+        uint16_t magic = PIPE_PACKET_MAGIC_DATA_END;
+        write(fd, &magic, sizeof(magic));
+    }
+    return 0;
+}
+
+int
+pipe_packet_write_manual(int fd, uint32_t length, void *data)
+{
+    uint32_t total = 0;
+    uint32_t size;
+    int status;
+
+    while (total < length)
+    {
+        size = length - total;
+        status = write(fd, data + total, size);
+        if (status < 0)
+        {
+            perror("pipe_packet write error");
+            return -1;
+        }
+        total += status;
+    }
+
+    return 0;
+}
+
+void*
+pipe_packet_read(int fd, struct pipe_packet_header_t *header)
+{
+    int capacity = 80;
+    uint8_t *data = malloc(capacity);
+    int status;
+    int total = 0;
+    int size = 0;
+
+    while (total < sizeof(struct pipe_packet_header_t))
+    {
+        status = read(fd, (void *)(header + total), sizeof(struct pipe_packet_header_t) - total);
+        if (status < 0)
+        {
+            perror("pipe_packet read error");
+            return NULL;
+        }
+        total += status;
+    }
+    if (header->magic != PIPE_PACKET_MAGIC)
+    {
+        fprintf(stderr, "pipe_packet read corrupted packet\n");
+        return NULL;
+    }
+    if (header->length != 0)
+    {
+        total = 0;
+        while (total < header->length)
+        {
+            if (capacity - total < 60)
+            {
+                capacity *= 2 + 14;
+                data = realloc(data, capacity);
+            }
+            size = header->length - total;
+            if (size > capacity)
+                size = capacity;
+            status = read(fd, data, size);
+            if (status < 0)
+            {
+                perror("pipe_packet read error");
+                return NULL;
+            }
+            total += status;
+        }
+        uint16_t magic;
+        read(fd, &magic, sizeof(magic));
+        if (magic != PIPE_PACKET_MAGIC_DATA_END)
+        {
+            fprintf(stderr, "pipe_packet read corrupted packet\n");
+            return NULL;
+        }
+    }
+    return (void *)data;
+}
+
+int
+pipe_packet_read_manual(int fd, uint32_t length, void *data)
+{
+    uint32_t total = 0;
+    uint32_t size;
+    int status;
+
+    while (total < length)
+    {
+        size = length - total;
+        status = read(fd, data + total, size);
+        if (status < 0)
+        {
+            perror("pipe_packet read error");
+            return -1;
+        }
+        total += status;
+    }
+
+    return 0;
+}
+
diff --git a/src/pipepacket.h b/src/pipepacket.h
new file mode 100644
index 00000000..4732f7bb
--- /dev/null
+++ b/src/pipepacket.h
@@ -0,0 +1,54 @@
+/*
+ * pipepacket.h
+ *
+ *  Created on: Nov 12, 2017
+ *      Author: nullifiedcat
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+#define PIPE_PACKET_MAGIC (unsigned short)0xCA75
+#define PIPE_PACKET_MAGIC_DATA_END (unsigned short)0x2710
+
+struct pipe_packet_header_t
+{
+    uint16_t magic;
+    uint16_t type;
+    uint32_t length;
+};
+
+/*
+ *      Sends packet to pipe
+ *      Returns 0 on success, -1 on failure
+ */
+int
+pipe_packet_send(int fd, uint16_t type, uint32_t length, void *data);
+
+/*
+ *      DANGEROUS!
+ *      Writes bytes of data to pipe.
+ *      Returns 0 on success, -1 on failure
+ */
+int
+pipe_packet_write_manual(int fd, uint32_t length, void *data);
+
+/*
+ *      Reads a packet from the pipe.
+ *      Returns pointer to memory with packet data
+ *              or NULL if read failed
+ *              or valid pointer to undefined data if packet has 0 length
+ *      Writes packet header data into *header
+ */
+void*
+pipe_packet_read(int fd, struct pipe_packet_header_t *header);
+
+/*
+ *      DANGEROUS!
+ *      Reads bytes of data from pipe.
+ *      Returns 0 on success, -1 on failure
+ *      Writes data into *data
+ */
+int
+pipe_packet_read_manual(int fd, uint32_t length, void *data);
diff --git a/src/prediction.cpp b/src/prediction.cpp
index 7ea9b129..04783e6d 100644
--- a/src/prediction.cpp
+++ b/src/prediction.cpp
@@ -93,7 +93,7 @@ void Prediction_PaintTraverse() {
 			for (int j = 0; j < predicted_players[i].size(); j++) {
 				Vector screen;
 				if (draw::WorldToScreen(predicted_players[i][j], screen)) {
-					drawgl::Line(screen.x, screen.y, previous_screen.x - screen.x, previous_screen.y - screen.y, color);
+					drawgl::draw_line(screen.x, screen.y, previous_screen.x - screen.x, previous_screen.y - screen.y, color);
 					previous_screen = screen;
 				} else {
 					break;
diff --git a/src/xoverlay.cpp b/src/xoverlay.cpp
new file mode 100644
index 00000000..e043091d
--- /dev/null
+++ b/src/xoverlay.cpp
@@ -0,0 +1,8 @@
+/*
+ * xoverlay.cpp
+ *
+ *  Created on: Nov 12, 2017
+ *      Author: nullifiedcat
+ */
+
+