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added internal base

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master
_xeroxz 4 years ago
parent 3db7626155
commit 277f023825
20 changed files with 2430 additions and 0 deletions
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31
internal.sln
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 16
VisualStudioVersion = 16.0.29613.14
MinimumVisualStudioVersion = 10.0.40219.1
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "internal", "internal\internal.vcxproj", "{A5A06423-4302-4CE2-A42C-D4416DD7B507}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|x64 = Debug|x64
Debug|x86 = Debug|x86
Release|x64 = Release|x64
Release|x86 = Release|x86
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{A5A06423-4302-4CE2-A42C-D4416DD7B507}.Debug|x64.ActiveCfg = Debug|x64
{A5A06423-4302-4CE2-A42C-D4416DD7B507}.Debug|x64.Build.0 = Debug|x64
{A5A06423-4302-4CE2-A42C-D4416DD7B507}.Debug|x86.ActiveCfg = Debug|Win32
{A5A06423-4302-4CE2-A42C-D4416DD7B507}.Debug|x86.Build.0 = Debug|Win32
{A5A06423-4302-4CE2-A42C-D4416DD7B507}.Release|x64.ActiveCfg = Release|x64
{A5A06423-4302-4CE2-A42C-D4416DD7B507}.Release|x64.Build.0 = Release|x64
{A5A06423-4302-4CE2-A42C-D4416DD7B507}.Release|x86.ActiveCfg = Release|Win32
{A5A06423-4302-4CE2-A42C-D4416DD7B507}.Release|x86.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {3F3A27AF-88C8-4517-B633-97CA6C558844}
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EndGlobal

91
internal/direct.h
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#pragma once
#include <windows.h>
#include <cstdint>
#include <cstddef>
extern "C" NTSTATUS __protect_virtual_memory(
HANDLE p_handle,
void** base_addr,
std::size_t* bytes_to_protect,
std::uint32_t new_protect,
std::uint32_t* old_protect
);
extern "C" NTSTATUS __write_virtual_memory(
HANDLE p_handle,
void* base_addr,
void* buffer,
std::size_t size,
std::size_t* bytes_written
);
extern "C" NTSTATUS __read_virtual_memory(
HANDLE p_handle,
void* base_addr,
void* buffer,
std::size_t size,
std::size_t* bytes_written
);
extern "C" NTSTATUS __alloc_virtual_memory(
HANDLE p_handle,
void** base_addr,
std::uint32_t zero_bits,
std::size_t* size,
std::uint32_t alloc_type,
std::uint32_t protect
);
namespace direct
{
__forceinline bool protect_virtual_memory(
HANDLE p_handle,
void* base_addr,
std::size_t size,
std::uint32_t protect,
std::uint32_t* old_protect
)
{
return ERROR_SUCCESS == ::__protect_virtual_memory(p_handle, &base_addr, &size, protect, old_protect);
}
__forceinline bool write_virtual_memory(
HANDLE p_handle,
void* base_addr,
void* buffer,
std::size_t size
)
{
std::size_t bytes_written;
return ERROR_SUCCESS == __write_virtual_memory(p_handle, base_addr, buffer, size, &bytes_written);
}
__forceinline bool read_virtual_memory(
HANDLE p_handle,
void* addr,
void* buffer,
std::size_t size
)
{
std::size_t bytes_written;
return ERROR_SUCCESS == ::__read_virtual_memory(p_handle, addr, buffer, size, &bytes_written);
}
__forceinline void* alloc_virtual_memory(
HANDLE p_handle,
std::size_t size,
std::uint32_t protect
)
{
void* base_addr = NULL;
::__alloc_virtual_memory(
p_handle,
&base_addr,
NULL,
&size,
MEM_COMMIT | MEM_RESERVE,
protect
);
return base_addr;
}
}

BIN
internal/direct.lib
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9
internal/image_base.asm
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.code
__image_base proc
xor rax, rax
mov rax, gs:[30h]
mov rax, [rax + 60h]
mov rax, [rax + 10h]
ret
__image_base endp
end

5
internal/image_base.h
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#pragma once
#include <cstdint>
// TIB ---> TEB (linear address) ---> PEB (base address)
extern "C" std::uintptr_t __image_base(void);

84
internal/internal.filters
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255
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21
internal/no_alloc/no_alloc.cpp
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#include "no_alloc.hpp"
void* malloc(std::size_t size)
{
return heap.allocate(size);
}
void free(void* ptr, std::size_t size)
{
heap.deallocate((std::uint8_t*)ptr, size);
}
void* operator new(std::size_t size)
{
return malloc(size);
}
void operator delete(void* ptr, unsigned __int64 size)
{
free(ptr, size);
}

138
internal/no_alloc/no_alloc.hpp
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/*
Author: xerox
Date: 4/23/2020
example:
std::vector<int, going_internal::no_alloc<int, 30>> test;
test.reserve(30);
*/
#pragma once
#include <memory>
#define HEAP_SIZE 0x2000
// taken from:
// https://github.com/charles-salvia/charles/blob/master/stack_allocator.hpp
template <class T, std::size_t heap_size = sizeof(T) * 10, class Allocator = std::allocator<T>>
class no_alloc
{
public:
typedef typename std::allocator_traits<Allocator>::value_type value_type;
typedef typename std::allocator_traits<Allocator>::pointer pointer;
typedef typename std::allocator_traits<Allocator>::const_pointer const_pointer;
typedef typename Allocator::reference reference;
typedef typename Allocator::const_reference const_reference;
typedef typename std::allocator_traits<Allocator>::size_type size_type;
typedef typename std::allocator_traits<Allocator>::difference_type difference_type;
typedef typename std::allocator_traits<Allocator>::const_void_pointer const_void_pointer;
typedef Allocator allocator_type;
public:
explicit no_alloc(const allocator_type& alloc = allocator_type())
: m_allocator(alloc), m_begin(this->heap), m_end(this->heap + heap_size),
m_stack_pointer(this->heap)
{ }
template <class U>
no_alloc(const no_alloc<U, heap_size, Allocator>& other)
: m_allocator(other.m_allocator), m_begin(other.m_begin), m_end(other.m_end),
m_stack_pointer(other.m_stack_pointer)
{ }
constexpr static size_type capacity()
{
return heap_size;
}
pointer allocate(size_type n, const_void_pointer hint = const_void_pointer())
{
pointer result = m_stack_pointer;
m_stack_pointer += n;
return result;
}
void deallocate(pointer p, size_type n)
{
m_stack_pointer -= n;
}
size_type max_size() const noexcept
{
return m_allocator.max_size();
}
template <class U, class... Args>
void construct(U* p, Args&&... args)
{
m_allocator.construct(p, std::forward<Args>(args)...);
}
template <class U>
void destroy(U* p)
{
m_allocator.destroy(p);
}
pointer address(reference x) const noexcept
{
if (pointer_to_internal_buffer(std::addressof(x)))
{
return std::addressof(x);
}
return m_allocator.address(x);
}
const_pointer address(const_reference x) const noexcept
{
if (pointer_to_internal_buffer(std::addressof(x)))
{
return std::addressof(x);
}
return m_allocator.address(x);
}
template <class U>
struct rebind { typedef no_alloc<U, heap_size, allocator_type> other; };
pointer buffer() const noexcept
{
return m_begin;
}
private:
bool pointer_to_internal_buffer(const_pointer p) const
{
return (!(std::less<const_pointer>()(p, m_begin)) && (std::less<const_pointer>()(p, m_end)));
}
allocator_type m_allocator;
pointer m_begin;
pointer m_end;
pointer m_stack_pointer;
T heap[heap_size];
};
template <class T1, std::size_t heap_size, class Allocator, class T2>
static bool operator == (const no_alloc<T1, heap_size, Allocator>& lhs,
const no_alloc<T2, heap_size, Allocator>& rhs) noexcept
{
return lhs.buffer() == rhs.buffer();
}
template <class T1, std::size_t heap_size, class Allocator, class T2>
static bool operator != (const no_alloc<T1, heap_size, Allocator>& lhs,
const no_alloc<T2, heap_size, Allocator>& rhs) noexcept
{
return !(lhs == rhs);
}
inline no_alloc<std::uint8_t, HEAP_SIZE> heap;
void* operator new(std::size_t size);
void operator delete(void* ptr, unsigned __int64);
void* malloc(std::size_t size);
void free(void*, std::size_t size);

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internal/no_crt/no_crt.cpp
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#include "no_crt.h"
int atexit(void (*func) (void))
{
func();
return NULL;
}
int memcmp(const void* buf1, const void* buf2, size_t count)
{
if (!count)
return(0);
while (--count && *(char*)buf1 == *(char*)buf2)
{
buf1 = (char*)buf1 + 1;
buf2 = (char*)buf2 + 1;
}
return(*((unsigned char*)buf1) - *((unsigned char*)buf2));
}
void* memcpy(void* memTo, const void* memFrom, size_t size)
{
if (!memTo || !memFrom)
return nullptr;
const char* temFrom = (const char*)memFrom;
char* temTo = (char*)memTo;
while (size-- > 0)
*temTo++ = *temFrom++;
return memTo;
}
void* memmove(void* dst, const void* src, size_t count)
{
if (!dst || !src)
return nullptr;
void* ret = dst;
if (dst <= src || (char*)dst >= ((char*)src + count))
{
while (count--)
{
*(char*)dst = *(char*)src;
dst = (char*)dst + 1;
src = (char*)src + 1;
}
}
else
{
dst = (char*)dst + count - 1;
src = (char*)src + count - 1;
while (count--)
{
*(char*)dst = *(char*)src;
dst = (char*)dst - 1;
src = (char*)src - 1;
}
}
return ret;
}
void* memset(void* dest, int c, size_t count)
{
char* bytes = (char*)dest;
while (count--)
{
*bytes++ = (char)c;
}
return dest;
}

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internal/no_crt/no_crt.h
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#pragma once
#include "../no_alloc/no_alloc.hpp"
int atexit(void (*func) (void));
int memcmp(const void* buf1, const void* buf2, size_t count);
void* memcpy(void* memTo, const void* memFrom, size_t size);
void* memmove(void* dst, const void* src, size_t count);
void* memset(void* dest, int c, size_t count);

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internal/no_gui/no_gui.cpp
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#include "no_gui.h"
bool no_gui::init(IDXGISwapChain* swapchain)
{
HRESULT hr;
m_swap_chain = swapchain;
if (!m_swap_chain)
return false;
m_swap_chain->GetDevice(__uuidof(m_device), (void**)&m_device);
m_device->GetImmediateContext(&m_device_context);
hr = m_device->CreateVertexShader(vs_blob, sizeof(vs_blob), NULL, &m_vertex_shader);
D3D11_INPUT_ELEMENT_DESC layout[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 }
};
hr = m_device->CreateInputLayout(layout, ARRAYSIZE(layout), vs_blob, sizeof(vs_blob), &m_input_layout);
hr = m_device->CreatePixelShader(ps_blob, sizeof(ps_blob), NULL, &m_pixel_shader);
D3D11_BUFFER_DESC buffer_desc;
buffer_desc.Usage = D3D11_USAGE_DYNAMIC;
buffer_desc.ByteWidth = 4 * sizeof(COLOR_VERTEX);
buffer_desc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
buffer_desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
buffer_desc.MiscFlags = 0;
hr = m_device->CreateBuffer(&buffer_desc, NULL, &m_pvertex_buffer);
if (FAILED(hr))
return false;
D3D11_BLEND_DESC blend_state_desc;
ZeroMemory(&blend_state_desc, sizeof(blend_state_desc));
blend_state_desc.AlphaToCoverageEnable = false;
blend_state_desc.RenderTarget[0].BlendEnable = true;
blend_state_desc.RenderTarget[0].SrcBlend = D3D11_BLEND_SRC_ALPHA;
blend_state_desc.RenderTarget[0].DestBlend = D3D11_BLEND_INV_SRC_ALPHA;
blend_state_desc.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
blend_state_desc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
blend_state_desc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_INV_SRC_ALPHA;
blend_state_desc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
blend_state_desc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL;
hr = m_device->CreateBlendState(&blend_state_desc, &m_transparency);
if (FAILED(hr))
return false;
memset((void*)vs_blob, NULL, sizeof(vs_blob));
memset((void*)ps_blob, NULL, sizeof(ps_blob));
return true;
}
void no_gui::reset()
{
init(m_swap_chain);
}
void no_gui::fill_rect(float x, float y, float w, float h, color color)
{
if (!m_device_context)
return;
int a = color.A & 0xff;
int r = color.R & 0xff;
int g = color.G & 0xff;
int b = color.B & 0xff;
DXGI_SWAP_CHAIN_DESC swap_chain_desc;
memset(&swap_chain_desc, 0, sizeof(swap_chain_desc));
m_swap_chain->GetDesc(&swap_chain_desc);
float width = swap_chain_desc.BufferDesc.Width;
float height = swap_chain_desc.BufferDesc.Height;
UINT numViewports = 1;
D3D11_VIEWPORT vp = { 0, 0, width, height, 1, 1 };
m_device_context->RSSetViewports(numViewports, &vp);
float x0 = x;
float y0 = y;
float x1 = x + w;
float y1 = y + h;
float xx0 = 2.0f * (x0 - 0.5f) / vp.Width - 1.0f;
float yy0 = 1.0f - 2.0f * (y0 - 0.5f) / vp.Height;
float xx1 = 2.0f * (x1 - 0.5f) / vp.Width - 1.0f;
float yy1 = 1.0f - 2.0f * (y1 - 0.5f) / vp.Height;
COLOR_VERTEX* v = NULL;
D3D11_MAPPED_SUBRESOURCE mapData;
if (FAILED(m_device_context->Map(m_pvertex_buffer, NULL, D3D11_MAP_WRITE_DISCARD, NULL, &mapData)))
return;
v = (COLOR_VERTEX*)mapData.pData;
v[0].Position.x = (float)x0;
v[0].Position.y = (float)y0;
v[0].Position.z = 0;
v[0].Color = vec4(
((float)r / 255.0f),
((float)g / 255.0f),
((float)b / 255.0f),
((float)a / 255.0f));
v[1].Position.x = (float)x1;
v[1].Position.y = (float)y1;
v[1].Position.z = 0;
v[1].Color = vec4(
((float)r / 255.0f),
((float)g / 255.0f),
((float)b / 255.0f),
((float)a / 255.0f));
v[0].Position.x = xx0;
v[0].Position.y = yy0;
v[0].Position.z = 0;
v[0].Color = vec4(
((float)r / 255.0f),
((float)g / 255.0f),
((float)b / 255.0f),
((float)a / 255.0f));
v[1].Position.x = xx1;
v[1].Position.y = yy0;
v[1].Position.z = 0;
v[1].Color = vec4(
((float)r / 255.0f),
((float)g / 255.0f),
((float)b / 255.0f),
((float)a / 255.0f));
v[2].Position.x = xx0;
v[2].Position.y = yy1;
v[2].Position.z = 0;
v[2].Color = vec4(
((float)r / 255.0f),
((float)g / 255.0f),
((float)b / 255.0f),
((float)a / 255.0f));
v[3].Position.x = xx1;
v[3].Position.y = yy1;
v[3].Position.z = 0;
v[3].Color = vec4(
((float)r / 255.0f),
((float)g / 255.0f),
((float)b / 255.0f),
((float)a / 255.0f));
m_device_context->Unmap(m_pvertex_buffer, NULL);
UINT Stride = sizeof(COLOR_VERTEX);
UINT Offset = 0;
m_device_context->IASetVertexBuffers(0, 1, &m_pvertex_buffer, &Stride, &Offset);
m_device_context->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
m_device_context->IASetInputLayout(m_input_layout);
m_device_context->VSSetShader(m_vertex_shader, 0, 0);
m_device_context->PSSetShader(m_pixel_shader, 0, 0);
m_device_context->GSSetShader(NULL, 0, 0);
m_device_context->Draw(4, 0);
}
void no_gui::draw_line(float x1, float y1, float x2, float y2, color color)
{
float blendFactor[] = { 1.0f, 1.0f, 1.0f, 1.0f };
m_device_context->OMSetBlendState(m_transparency, blendFactor, 0xffffffff);
if (m_device_context == NULL) {
return;
}
int a = color.A & 0xff;
int r = color.R & 0xff;
int g = color.G & 0xff;
int b = color.B & 0xff;
UINT viewportNumber = 1;
D3D11_VIEWPORT vp;
m_device_context->RSGetViewports(&viewportNumber, &vp);
float xx0 = 2.0f * (x1 - 0.5f) / vp.Width - 1.0f;
float yy0 = 1.0f - 2.0f * (y1 - 0.5f) / vp.Height;
float xx1 = 2.0f * (x2 - 0.5f) / vp.Width - 1.0f;
float yy1 = 1.0f - 2.0f * (y2 - 0.5f) / vp.Height;
COLOR_VERTEX* v = NULL;
D3D11_MAPPED_SUBRESOURCE mapData;
if (FAILED(m_device_context->Map(m_pvertex_buffer, NULL, D3D11_MAP_WRITE_DISCARD, NULL, &mapData)))
return;
v = (COLOR_VERTEX*)mapData.pData;
v[0].Position.x = xx0;
v[0].Position.y = yy0;
v[0].Position.z = 0;
v[0].Color = vec4(
((float)r / 255.0f),
((float)g / 255.0f),
((float)b / 255.0f),
((float)a / 255.0f));
v[1].Position.x = xx1;
v[1].Position.y = yy1;
v[1].Position.z = 0;
v[1].Color = vec4(
((float)r / 255.0f),
((float)g / 255.0f),
((float)b / 255.0f),
((float)a / 255.0f));
m_device_context->Unmap(m_pvertex_buffer, NULL);
UINT Stride = sizeof(COLOR_VERTEX);
UINT Offset = 0;
m_device_context->IASetVertexBuffers(0, 1, &m_pvertex_buffer, &Stride, &Offset);
m_device_context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_LINESTRIP);
m_device_context->IASetInputLayout(m_input_layout);
m_device_context->VSSetShader(m_vertex_shader, 0, 0);
m_device_context->PSSetShader(m_pixel_shader, 0, 0);
m_device_context->GSSetShader(NULL, 0, 0);
m_device_context->Draw(2, 0);
}
void no_gui::draw_rect(float x, float y, float w, float h, color strokeColor)
{
fill_rect(x, y, w, 1, strokeColor);
fill_rect(x, y + h - 1, w, 1, strokeColor);
fill_rect(x, y + 1, 1, h - 2 * 1, strokeColor);
fill_rect(x + w - 1, y + 1, 1, h - 2 * 1, strokeColor);
}
void no_gui::draw_outlined_rect(const vec4& rect, const color& strokeColor, const color& color)
{
fill_rect(rect.x, rect.y, rect.z, rect.w, color);
draw_rect(rect.x, rect.y, rect.z, rect.w, strokeColor);
}
void no_gui::draw_corner_box(int x, int y, int w, int h, int borderPx, color& temp)
{
fill_rect(x - (w / 2), (y - h + borderPx), w / 3, borderPx, temp); //top
fill_rect(x - (w / 2) + w - w / 3, (y - h + borderPx), w / 3, borderPx, temp); //top
fill_rect(x - (w / 2), (y - h + borderPx), borderPx, w / 3, temp); //left
fill_rect(x - (w / 2), (y - h + borderPx) + h - w / 3, borderPx, w / 3, temp); //left
fill_rect(x - (w / 2), y, w / 3, borderPx, temp); //bottom
fill_rect(x - (w / 2) + w - w / 3, y, w / 3, borderPx, temp); //bottom
fill_rect((x + w - borderPx) - (w / 2), (y - h + borderPx), borderPx, w / 3, temp); //right
fill_rect((x + w - borderPx) - (w / 2), (y - h + borderPx) + h - w / 3, borderPx, w / 3, temp); //right
}
void no_gui::draw_border(int x, int y, int w, int h, int px, color& temp)
{
fill_rect(x, (y + h - px), w, px, temp);
fill_rect(x, y, px, h, temp);
fill_rect(x, y, w, px, temp);
fill_rect((x + w - px), y, px, h, temp);
}
void no_gui::draw_cross(float x, float y, float width, float height, const color& color)
{
fill_rect(x - width, y - 0.5f, (width * 2.0f), 1.0f, color);
fill_rect(x - 0.5f, y - height, 1.0f, (height * 2.0f), color);
}
void no_gui::draw_circle(float x0, float y0, float radius, const color& color, float thickness)
{
int x = radius, y = 0;
int radius_error = 1 - x;
while (x >= y)
{
fill_rect(x + x0, y + y0, thickness, thickness, color);
fill_rect(y + x0, x + y0, thickness, thickness, color);
fill_rect(-x + x0, y + y0, thickness, thickness, color);
fill_rect(-y + x0, x + y0, thickness, thickness, color);
fill_rect(-x + x0, -y + y0, thickness, thickness, color);
fill_rect(-y + x0, -x + y0, thickness, thickness, color);
fill_rect(x + x0, -y + y0, thickness, thickness, color);
fill_rect(y + x0, -x + y0, thickness, thickness, color);
y++;
if (radius_error < 0)
radius_error += 2 * y + 1;
else
{
x--;
radius_error += 2 * (y - x + 1);
}
}
}
void no_gui::draw_health_bar(int x, int y, float health, float max_health, int w, int h, bool is_shield)
{
auto c_black = ::color(12, 12, 12, 228);
auto c_red = ::color(255, 0, 0, 255);
auto c_green = ::color(255, 0, 255, 0);
auto c_yellow = ::color(255, 255, 255, 0);
auto c_cyan = ::color(255, 0, 255, 255);
auto c_orange = ::color(255, 255, 153, 0);
if (is_shield)
{
c_red = ::color(255, 102, 2, 209);
c_green = ::color(255, 19, 105, 244);
c_yellow = ::color(255, 13, 175, 229);
c_orange = ::color(255, 171, 13, 229);
}
if (health > max_health)
health = max_health;
FLOAT hp = health;
FLOAT factor = max_health / 4;
auto color = ::color(0.f, 0.f, 0.f, 0.f);
if (hp <= factor)
color = c_red;
else if (hp <= factor * 2)
color = c_orange;
else if (hp <= factor * 3)
color = c_yellow;
else if (hp <= max_health)
color = c_green;
fill_rect(x, y, w, h + 1, ::color(255, 0, 0, 0));
UINT hw = (UINT)(((w - 2) * health) / max_health);
fill_rect(x + 1, y + 1, hw, h - 1, color);
}
HWND no_gui::get_window()
{
return m_hwnd;
}
float no_gui::get_width()
{
return m_width;
}
float no_gui::get_height()
{
return m_height;
}
void no_gui::begin_scene()
{
m_swap_chain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)&m_back_buffer);
ID3D11RenderTargetView* p_rtv;
m_device->CreateRenderTargetView(m_back_buffer, NULL, &p_rtv);
m_device_context->OMSetRenderTargets(1, &p_rtv, NULL);
DXGI_SWAP_CHAIN_DESC swap_chain_desc;
memset(&swap_chain_desc, 0, sizeof(swap_chain_desc));
m_swap_chain->GetDesc(&swap_chain_desc);
m_width = swap_chain_desc.BufferDesc.Width;
m_height = swap_chain_desc.BufferDesc.Height;
m_restore_state = false;
if (SUCCEEDED(m_state_saver.save_current_state(m_device_context)))
m_restore_state = true;
m_device_context->IASetInputLayout(m_input_layout);
}
void no_gui::end_scene()
{
D3D11_TEXTURE2D_DESC backBufferDesc;
m_back_buffer->GetDesc(&backBufferDesc);
m_back_buffer->Release();
if (m_restore_state)
m_state_saver.restore_saved_state();
}

150
internal/no_gui/no_gui.h
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#pragma once
#include <memory>
#include <d3d11.h>
#include <vector>
#include <dxgi1_2.h>
#include "no_shaders.h"
#include "no_state_saver.h"
template<class T> inline void SAFE_DELETE(T*& p)
{
if (p)
{
delete p;
p = NULL;
}
}
template<class T> inline void SAFE_DELETE_ARRAY(T*& p)
{
if (p)
{
delete[] p;
p = NULL;
}
}
template<class T> inline void SAFE_RELEASE(T*& p)
{
if (p)
{
p->Release();
p = NULL;
}
}
class vec3
{
public:
float x, y, z;
vec3();
vec3(float, float, float);
};
inline vec3::vec3()
{
x = y = z = 0.f;
}
inline vec3::vec3(float _x, float _y, float _z)
{
x = _x;
y = _y;
z = _z;
}
class vec4
{
public:
float x, y, z, w;
vec4();
vec4(float, float, float, float);
};
inline vec4::vec4()
{
x = y = z = w = 0.f;
}
inline vec4::vec4(float _x, float _y, float _z, float _w)
{
x = _x;
y = _y;
z = _z;
w = _w;
}
struct COLOR_VERTEX
{
vec3 Position;
vec4 Color;
};
typedef unsigned char uchar;
class color
{
public:
uchar A, R, G, B;
color()
{
A = R = G = B = 0;
}
color(uchar A, uchar R, uchar G, uchar B)
{
this->A = A;
this->R = R;
this->G = G;
this->B = B;
}
};
enum _ALIGN : DWORD
{
ALIGN_LEFT = 0,
ALIGN_RIGHT,
ALIGN_CENTER,
};
class no_gui
{
public:
bool init(IDXGISwapChain* swap_chain);
void begin_scene();
void end_scene();
void reset();
void fill_rect(float x, float y, float w, float h, color color);
void draw_circle(float x0, float y0, float radius, const color& color, float thickness = 1.5f);
void draw_outlined_rect(const vec4& rect, const color& stroke_color, const color& color);
void draw_line(float x1, float y1, float x2, float y2, color color);
void draw_rect(float x, float y, float w, float h, color stroke_color);
void draw_corner_box(int x, int y, int w, int h, int border_px, color& temp);
void draw_border(int x, int y, int w, int h, int px, color& temp);
void draw_cross(float X, float Y, float Width, float Height, const color& d_color);
void draw_health_bar(int x, int y, float health, float max_health, int w, int h, bool is_shield = false);
float get_width();
float get_height();
HWND get_window();
private:
IDXGISwapChain* m_swap_chain;
ID3D11Device* m_device;
ID3D11DeviceContext* m_device_context;
ID3D11InputLayout* m_input_layout;
ID3D11Buffer* m_pvertex_buffer;
no_state_saver m_state_saver;
ID3D11VertexShader* m_vertex_shader;
ID3D11PixelShader* m_pixel_shader;
ID3D11BlendState* m_transparency;
ID3D11Texture2D* m_back_buffer;
float m_width, m_height;
HWND m_hwnd;
bool m_restore_state;
};

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internal/no_gui/no_shaders.h
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#pragma once
// precompiled shaders
static const unsigned char vs_blob[] = {
0x44, 0x58, 0x42, 0x43, 0x5f, 0x0b, 0x2c, 0x91, 0x23, 0xda, 0xe8, 0xae,
0x94, 0x4b, 0x71, 0xfd, 0x64, 0x11, 0xb9, 0x13, 0x01, 0x00, 0x00, 0x00,
0x10, 0x02, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x00,
0x80, 0x00, 0x00, 0x00, 0xd0, 0x00, 0x00, 0x00, 0x24, 0x01, 0x00, 0x00,
0x94, 0x01, 0x00, 0x00, 0x52, 0x44, 0x45, 0x46, 0x44, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x1c, 0x00, 0x00, 0x00, 0x00, 0x04, 0xfe, 0xff, 0x00, 0x01, 0x00, 0x00,
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0x52, 0x00, 0x53, 0x56, 0x5f, 0x50, 0x4f, 0x53, 0x49, 0x54, 0x49, 0x4f,
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0x40, 0x00, 0x01, 0x00, 0x1a, 0x00, 0x00, 0x00, 0x5f, 0x00, 0x00, 0x03,
0xf2, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5f, 0x00, 0x00, 0x03,
0xf2, 0x10, 0x10, 0x00, 0x01, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x03,
0xf2, 0x20, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x67, 0x00, 0x00, 0x04,
0xf2, 0x20, 0x10, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x36, 0x00, 0x00, 0x05, 0xf2, 0x20, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,
0x46, 0x1e, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x00, 0x05,
0xf2, 0x20, 0x10, 0x00, 0x01, 0x00, 0x00, 0x00, 0x46, 0x1e, 0x10, 0x00,
0x01, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00, 0x01, 0x53, 0x54, 0x41, 0x54,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const unsigned char ps_blob[] = {
0x44, 0x58, 0x42, 0x43, 0x71, 0xee, 0xb8, 0x3b, 0xe2, 0x77, 0xf8, 0x55,
0x47, 0x8a, 0x89, 0xf3, 0x78, 0x2f, 0x06, 0xe9, 0x01, 0x00, 0x00, 0x00,
0xa0, 0x01, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x00,
0x80, 0x00, 0x00, 0x00, 0xb0, 0x00, 0x00, 0x00, 0xe4, 0x00, 0x00, 0x00,
0x24, 0x01, 0x00, 0x00, 0x52, 0x44, 0x45, 0x46, 0x44, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x1c, 0x00, 0x00, 0x00, 0x00, 0x04, 0xff, 0xff, 0x00, 0x01, 0x00, 0x00,
0x1c, 0x00, 0x00, 0x00, 0x4d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x6f, 0x66,
0x74, 0x20, 0x28, 0x52, 0x29, 0x20, 0x48, 0x4c, 0x53, 0x4c, 0x20, 0x53,
0x68, 0x61, 0x64, 0x65, 0x72, 0x20, 0x43, 0x6f, 0x6d, 0x70, 0x69, 0x6c,
0x65, 0x72, 0x20, 0x31, 0x30, 0x2e, 0x31, 0x00, 0x49, 0x53, 0x47, 0x4e,
0x28, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x00, 0x00,
0x43, 0x4f, 0x4c, 0x4f, 0x52, 0x00, 0xab, 0xab, 0x4f, 0x53, 0x47, 0x4e,
0x2c, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00,
0x53, 0x56, 0x5f, 0x54, 0x41, 0x52, 0x47, 0x45, 0x54, 0x00, 0xab, 0xab,
0x53, 0x48, 0x44, 0x52, 0x38, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
0x0e, 0x00, 0x00, 0x00, 0x62, 0x10, 0x00, 0x03, 0xf2, 0x10, 0x10, 0x00,
0x00, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x03, 0xf2, 0x20, 0x10, 0x00,
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0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0
};
/*
static char shader[] = {
"Texture2D g_texture : register(t0);"
"SamplerState g_sampler : register(s1);"
"struct VSOut"
"{"
" float4 Pos : SV_POSITION;"
" float4 Col : COLOR;"
" float2 Uv : TEXCOORD;"
"};"
"struct VSInput"
"{"
" float4 Pos : POSITION;"
" float4 Col : COLOR;"
" float2 Uv : TEXCOORD;"
"};"
"VSOut VS( VSInput Input )"
"{"
" VSOut Result;"
" Result.Col = Input.Col;"
" Result.Pos = Input.Pos;"
" Result.Uv = Input.Uv;"
" return Result;"
"}"
"float4 PS( VSOut Input ) : SV_TARGET"
"{"
" if(Input.Uv.x == 0 && Input.Uv.y == 0)"
" return Input.Col;"
"return g_texture.Sample( g_sampler, Input.Uv ) * Input.Col;"
"};"
};*/

198
internal/no_gui/no_state_saver.cpp
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#include "no_gui.h"
no_state_saver::no_state_saver() :
m_saved_state(false),
m_feature_level(D3D_FEATURE_LEVEL_11_0),
m_pcontext(NULL),
m_primitive_topology(D3D11_PRIMITIVE_TOPOLOGY_UNDEFINED),
m_pinput_layout(NULL),
m_pblend_state(NULL),
m_sample_mask(0xffffffff),
m_pdepth_stencil_state(NULL),
m_stencilRef(0),
m_pRasterizerState(NULL),
m_pPSSRV(NULL),
m_pSamplerState(NULL),
m_pVS(NULL),
m_numVSClassInstances(0),
m_pVSConstantBuffer(NULL),
m_pGS(NULL),
m_numGSClassInstances(0),
m_pGSConstantBuffer(NULL),
m_pGSSRV(NULL),
m_pPS(NULL),
m_numPSClassInstances(0),
m_pHS(NULL),
m_numHSClassInstances(0),
m_pDS(NULL),
m_numDSClassInstances(0),
m_pVB(NULL),
m_vertexStride(0),
m_vertexOffset(0),
m_pIndexBuffer(NULL),
m_indexFormat(DXGI_FORMAT_UNKNOWN),
m_indexOffset(0)
{
for (int i = 0; i < 4; ++i)
m_blend_factor[i] = 0.0f;
for (int i = 0; i < 256; ++i)
{
m_pVSClassInstances[i] = NULL;
m_pGSClassInstances[i] = NULL;
m_pPSClassInstances[i] = NULL;
m_pHSClassInstances[i] = NULL;
m_pDSClassInstances[i] = NULL;
}
}
no_state_saver::~no_state_saver()
{
release_saved_state();
}
HRESULT no_state_saver::save_current_state(ID3D11DeviceContext *pContext)
{
if (m_saved_state)
release_saved_state();
if (pContext == NULL)
return E_INVALIDARG;
ID3D11Device *p_device;
pContext->GetDevice(&p_device);
if (p_device != NULL) {
m_feature_level = p_device->GetFeatureLevel();
p_device->Release();
}
pContext->AddRef();
m_pcontext = pContext;
m_pcontext->IAGetPrimitiveTopology(&m_primitive_topology);
m_pcontext->IAGetInputLayout(&m_pinput_layout);
m_pcontext->OMGetBlendState(&m_pblend_state, m_blend_factor, &m_sample_mask);
m_pcontext->OMGetDepthStencilState(&m_pdepth_stencil_state, &m_stencilRef);
m_pcontext->RSGetState(&m_pRasterizerState);
m_numVSClassInstances = 256;
m_pcontext->VSGetShader(&m_pVS, m_pVSClassInstances, &m_numVSClassInstances);
m_pcontext->VSGetConstantBuffers(0, 1, &m_pVSConstantBuffer);
m_numPSClassInstances = 256;
m_pcontext->PSGetShader(&m_pPS, m_pPSClassInstances, &m_numPSClassInstances);
m_pcontext->PSGetShaderResources(0, 1, &m_pPSSRV);
pContext->PSGetSamplers(0, 1, &m_pSamplerState);
if (m_feature_level >= D3D_FEATURE_LEVEL_10_0)
{
m_numGSClassInstances = 256;
m_pcontext->GSGetShader(&m_pGS, m_pGSClassInstances, &m_numGSClassInstances);
m_pcontext->GSGetConstantBuffers(0, 1, &m_pGSConstantBuffer);
m_pcontext->GSGetShaderResources(0, 1, &m_pGSSRV);
if (m_feature_level >= D3D_FEATURE_LEVEL_11_0)
{
m_numHSClassInstances = 256;
m_pcontext->HSGetShader(&m_pHS, m_pHSClassInstances, &m_numHSClassInstances);
m_numDSClassInstances = 256;
m_pcontext->DSGetShader(&m_pDS, m_pDSClassInstances, &m_numDSClassInstances);
}
}
m_pcontext->IAGetVertexBuffers(0, 1, &m_pVB, &m_vertexStride, &m_vertexOffset);
m_pcontext->IAGetIndexBuffer(&m_pIndexBuffer, &m_indexFormat, &m_indexOffset);
m_saved_state = true;
return S_OK;
}
HRESULT no_state_saver::restore_saved_state()
{
if (!m_saved_state)
return E_FAIL;
m_pcontext->IASetPrimitiveTopology(m_primitive_topology);
m_pcontext->IASetInputLayout(m_pinput_layout);
m_pcontext->OMSetBlendState(m_pblend_state, m_blend_factor, m_sample_mask);
m_pcontext->OMSetDepthStencilState(m_pdepth_stencil_state, m_stencilRef);
m_pcontext->RSSetState(m_pRasterizerState);
m_pcontext->VSSetShader(m_pVS, m_pVSClassInstances, m_numVSClassInstances);
m_pcontext->VSSetConstantBuffers(0, 1, &m_pVSConstantBuffer);
m_pcontext->PSSetShader(m_pPS, m_pPSClassInstances, m_numPSClassInstances);
m_pcontext->PSSetShaderResources(0, 1, &m_pPSSRV);
m_pcontext->PSSetSamplers(0, 1, &m_pSamplerState);
if (m_feature_level >= D3D_FEATURE_LEVEL_10_0)
{
m_pcontext->GSSetShader(m_pGS, m_pGSClassInstances, m_numGSClassInstances);
m_pcontext->GSSetConstantBuffers(0, 1, &m_pGSConstantBuffer);
m_pcontext->GSSetShaderResources(0, 1, &m_pGSSRV);
if (m_feature_level >= D3D_FEATURE_LEVEL_11_0)
{
m_pcontext->HSSetShader(m_pHS, m_pHSClassInstances, m_numHSClassInstances);
m_pcontext->DSSetShader(m_pDS, m_pDSClassInstances, m_numDSClassInstances);
}
}
m_pcontext->IASetVertexBuffers(0, 1, &m_pVB, &m_vertexStride, &m_vertexOffset);
m_pcontext->IASetIndexBuffer(m_pIndexBuffer, m_indexFormat, m_indexOffset);
return S_OK;
}
void no_state_saver::release_saved_state()
{
m_primitive_topology = D3D11_PRIMITIVE_TOPOLOGY_UNDEFINED;
SAFE_RELEASE(m_pinput_layout);
SAFE_RELEASE(m_pblend_state);
for (int i = 0; i < 4; ++i)
m_blend_factor[i] = 0.0f;
m_sample_mask = 0xffffffff;
SAFE_RELEASE(m_pdepth_stencil_state);
m_stencilRef = 0;
SAFE_RELEASE(m_pRasterizerState);
SAFE_RELEASE(m_pPSSRV);
SAFE_RELEASE(m_pSamplerState);
SAFE_RELEASE(m_pVS);
for (UINT i = 0; i < m_numVSClassInstances; ++i)
SAFE_RELEASE(m_pVSClassInstances[i]);
m_numVSClassInstances = 0;
SAFE_RELEASE(m_pVSConstantBuffer);
SAFE_RELEASE(m_pGS);
for (UINT i = 0; i < m_numGSClassInstances; ++i)
SAFE_RELEASE(m_pGSClassInstances[i]);
m_numGSClassInstances = 0;
SAFE_RELEASE(m_pGSConstantBuffer);
SAFE_RELEASE(m_pGSSRV);
SAFE_RELEASE(m_pPS);
for (UINT i = 0; i < m_numPSClassInstances; ++i)
SAFE_RELEASE(m_pPSClassInstances[i]);
m_numPSClassInstances = 0;
SAFE_RELEASE(m_pHS);
for (UINT i = 0; i < m_numHSClassInstances; ++i)
SAFE_RELEASE(m_pHSClassInstances[i]);
m_numHSClassInstances = 0;
SAFE_RELEASE(m_pDS);
for (UINT i = 0; i < m_numDSClassInstances; ++i)
SAFE_RELEASE(m_pDSClassInstances[i]);
m_numDSClassInstances = 0;
SAFE_RELEASE(m_pVB);
m_vertexStride = 0;
m_vertexOffset = 0;
SAFE_RELEASE(m_pIndexBuffer);
m_indexFormat = DXGI_FORMAT_UNKNOWN;
m_indexOffset = 0;
SAFE_RELEASE(m_pcontext);
m_feature_level = D3D_FEATURE_LEVEL_11_0;
m_saved_state = false;
}

56
internal/no_gui/no_state_saver.h
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#pragma once
#include "no_gui.h"
class no_state_saver
{
private:
bool m_saved_state;
D3D_FEATURE_LEVEL m_feature_level;
ID3D11DeviceContext *m_pcontext;
D3D11_PRIMITIVE_TOPOLOGY m_primitive_topology;
ID3D11InputLayout *m_pinput_layout;
ID3D11BlendState *m_pblend_state;
float m_blend_factor[4];
UINT m_sample_mask;
ID3D11DepthStencilState *m_pdepth_stencil_state;
UINT m_stencilRef;
ID3D11RasterizerState *m_pRasterizerState;
ID3D11ShaderResourceView *m_pPSSRV;
ID3D11SamplerState *m_pSamplerState;
ID3D11VertexShader *m_pVS;
ID3D11ClassInstance *m_pVSClassInstances[256];
UINT m_numVSClassInstances;
ID3D11Buffer *m_pVSConstantBuffer;
ID3D11GeometryShader *m_pGS;
ID3D11ClassInstance *m_pGSClassInstances[256];
UINT m_numGSClassInstances;
ID3D11Buffer *m_pGSConstantBuffer;
ID3D11ShaderResourceView *m_pGSSRV;
ID3D11PixelShader *m_pPS;
ID3D11ClassInstance *m_pPSClassInstances[256];
UINT m_numPSClassInstances;
ID3D11HullShader *m_pHS;
ID3D11ClassInstance *m_pHSClassInstances[256];
UINT m_numHSClassInstances;
ID3D11DomainShader *m_pDS;
ID3D11ClassInstance *m_pDSClassInstances[256];
UINT m_numDSClassInstances;
ID3D11Buffer *m_pVB;
UINT m_vertexStride;
UINT m_vertexOffset;
ID3D11Buffer *m_pIndexBuffer;
DXGI_FORMAT m_indexFormat;
UINT m_indexOffset;
no_state_saver(const no_state_saver&);
no_state_saver& operator=(const no_state_saver&);
public:
no_state_saver();
~no_state_saver();
HRESULT save_current_state(ID3D11DeviceContext *p_context);
HRESULT restore_saved_state();
void release_saved_state();
};

658
internal/no_imports.h
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/*
* Copyright 2018-2020 Justas Masiulis
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// documentation is available at https://github.com/JustasMasiulis/lazy_importer
#ifndef LAZY_IMPORTER_HPP
#define LAZY_IMPORTER_HPP
#define LI_FN(name) \
::li::detail::lazy_function<::li::detail::khash(#name), decltype(&name)>()
#define LI_FN_DEF(name) ::li::detail::lazy_function<::li::detail::khash(#name), name>()
#define LI_MODULE(name) ::li::detail::lazy_module<::li::detail::khash(name)>()
// NOTE only std::forward is used from this header.
// If there is a need to eliminate this dependency the function itself is very small.
#include <utility>
#include <cstddef>
#include <intrin.h>
#ifndef LAZY_IMPORTER_NO_FORCEINLINE
#if defined(_MSC_VER)
#define LAZY_IMPORTER_FORCEINLINE __forceinline
#elif defined(__GNUC__) && __GNUC__ > 3
#define LAZY_IMPORTER_FORCEINLINE inline __attribute__((__always_inline__))
#else
#define LAZY_IMPORTER_FORCEINLINE inline
#endif
#else
#define LAZY_IMPORTER_FORCEINLINE inline
#endif
#ifdef LAZY_IMPORTER_CASE_INSENSITIVE
#define LAZY_IMPORTER_TOLOWER(c) (c >= 'A' && c <= 'Z' ? (c | (1 << 5)) : c)
#else
#define LAZY_IMPORTER_TOLOWER(c) (c)
#endif
namespace li {
namespace detail {
template<class First, class Second>
struct pair {
First first;
Second second;
};
namespace win {
struct LIST_ENTRY_T {
const char* Flink;
const char* Blink;
};
struct UNICODE_STRING_T {
unsigned short Length;
unsigned short MaximumLength;
wchar_t* Buffer;
};
struct PEB_LDR_DATA_T {
unsigned long Length;
unsigned long Initialized;
const char* SsHandle;
LIST_ENTRY_T InLoadOrderModuleList;
};
struct PEB_T {
unsigned char Reserved1[2];
unsigned char BeingDebugged;
unsigned char Reserved2[1];
const char* Reserved3[2];
PEB_LDR_DATA_T* Ldr;
};
struct LDR_DATA_TABLE_ENTRY_T {
LIST_ENTRY_T InLoadOrderLinks;
LIST_ENTRY_T InMemoryOrderLinks;
LIST_ENTRY_T InInitializationOrderLinks;
const char* DllBase;
const char* EntryPoint;
union {
unsigned long SizeOfImage;
const char* _dummy;
};
UNICODE_STRING_T FullDllName;
UNICODE_STRING_T BaseDllName;
LAZY_IMPORTER_FORCEINLINE const LDR_DATA_TABLE_ENTRY_T*
load_order_next() const noexcept
{
return reinterpret_cast<const LDR_DATA_TABLE_ENTRY_T*>(
InLoadOrderLinks.Flink);
}
};
struct IMAGE_DOS_HEADER { // DOS .EXE header
unsigned short e_magic; // Magic number
unsigned short e_cblp; // Bytes on last page of file
unsigned short e_cp; // Pages in file
unsigned short e_crlc; // Relocations
unsigned short e_cparhdr; // Size of header in paragraphs
unsigned short e_minalloc; // Minimum extra paragraphs needed
unsigned short e_maxalloc; // Maximum extra paragraphs needed
unsigned short e_ss; // Initial (relative) SS value
unsigned short e_sp; // Initial SP value
unsigned short e_csum; // Checksum
unsigned short e_ip; // Initial IP value
unsigned short e_cs; // Initial (relative) CS value
unsigned short e_lfarlc; // File address of relocation table
unsigned short e_ovno; // Overlay number
unsigned short e_res[4]; // Reserved words
unsigned short e_oemid; // OEM identifier (for e_oeminfo)
unsigned short e_oeminfo; // OEM information; e_oemid specific
unsigned short e_res2[10]; // Reserved words
long e_lfanew; // File address of new exe header
};
struct IMAGE_FILE_HEADER {
unsigned short Machine;
unsigned short NumberOfSections;
unsigned long TimeDateStamp;
unsigned long PointerToSymbolTable;
unsigned long NumberOfSymbols;
unsigned short SizeOfOptionalHeader;
unsigned short Characteristics;
};
struct IMAGE_EXPORT_DIRECTORY {
unsigned long Characteristics;
unsigned long TimeDateStamp;
unsigned short MajorVersion;
unsigned short MinorVersion;
unsigned long Name;
unsigned long Base;
unsigned long NumberOfFunctions;
unsigned long NumberOfNames;
unsigned long AddressOfFunctions; // RVA from base of image
unsigned long AddressOfNames; // RVA from base of image
unsigned long AddressOfNameOrdinals; // RVA from base of image
};
struct IMAGE_DATA_DIRECTORY {
unsigned long VirtualAddress;
unsigned long Size;
};
struct IMAGE_OPTIONAL_HEADER64 {
unsigned short Magic;
unsigned char MajorLinkerVersion;
unsigned char MinorLinkerVersion;
unsigned long SizeOfCode;
unsigned long SizeOfInitializedData;
unsigned long SizeOfUninitializedData;
unsigned long AddressOfEntryPoint;
unsigned long BaseOfCode;
unsigned long long ImageBase;
unsigned long SectionAlignment;
unsigned long FileAlignment;
unsigned short MajorOperatingSystemVersion;
unsigned short MinorOperatingSystemVersion;
unsigned short MajorImageVersion;
unsigned short MinorImageVersion;
unsigned short MajorSubsystemVersion;
unsigned short MinorSubsystemVersion;
unsigned long Win32VersionValue;
unsigned long SizeOfImage;
unsigned long SizeOfHeaders;
unsigned long CheckSum;
unsigned short Subsystem;
unsigned short DllCharacteristics;
unsigned long long SizeOfStackReserve;
unsigned long long SizeOfStackCommit;
unsigned long long SizeOfHeapReserve;
unsigned long long SizeOfHeapCommit;
unsigned long LoaderFlags;
unsigned long NumberOfRvaAndSizes;
IMAGE_DATA_DIRECTORY DataDirectory[16];
};
struct IMAGE_OPTIONAL_HEADER32 {
unsigned short Magic;
unsigned char MajorLinkerVersion;
unsigned char MinorLinkerVersion;
unsigned long SizeOfCode;
unsigned long SizeOfInitializedData;
unsigned long SizeOfUninitializedData;
unsigned long AddressOfEntryPoint;
unsigned long BaseOfCode;
unsigned long BaseOfData;
unsigned long ImageBase;
unsigned long SectionAlignment;
unsigned long FileAlignment;
unsigned short MajorOperatingSystemVersion;
unsigned short MinorOperatingSystemVersion;
unsigned short MajorImageVersion;
unsigned short MinorImageVersion;
unsigned short MajorSubsystemVersion;
unsigned short MinorSubsystemVersion;
unsigned long Win32VersionValue;
unsigned long SizeOfImage;
unsigned long SizeOfHeaders;
unsigned long CheckSum;
unsigned short Subsystem;
unsigned short DllCharacteristics;
unsigned long SizeOfStackReserve;
unsigned long SizeOfStackCommit;
unsigned long SizeOfHeapReserve;
unsigned long SizeOfHeapCommit;
unsigned long LoaderFlags;
unsigned long NumberOfRvaAndSizes;
IMAGE_DATA_DIRECTORY DataDirectory[16];
};
struct IMAGE_NT_HEADERS {
unsigned long Signature;
IMAGE_FILE_HEADER FileHeader;
#ifdef _WIN64
IMAGE_OPTIONAL_HEADER64 OptionalHeader;
#else
IMAGE_OPTIONAL_HEADER32 OptionalHeader;
#endif
};
} // namespace win
// hashing stuff
struct hash_t {
using value_type = unsigned long;
constexpr static value_type offset = 2166136261;
constexpr static value_type prime = 16777619;
constexpr static unsigned long long prime64 = prime;
LAZY_IMPORTER_FORCEINLINE constexpr static value_type single(value_type value,
char c) noexcept
{
return static_cast<hash_t::value_type>(
(value ^ LAZY_IMPORTER_TOLOWER(c)) *
static_cast<unsigned long long>(prime));
}
};
template<class CharT = char>
LAZY_IMPORTER_FORCEINLINE constexpr hash_t::value_type
khash(const CharT* str, hash_t::value_type value = hash_t::offset) noexcept
{
return (*str ? khash(str + 1, hash_t::single(value, *str)) : value);
}
template<class CharT = char>
LAZY_IMPORTER_FORCEINLINE hash_t::value_type hash(const CharT* str) noexcept
{
hash_t::value_type value = hash_t::offset;
for (;;) {
char c = *str++;
if (!c)
return value;
value = hash_t::single(value, c);
}
}
LAZY_IMPORTER_FORCEINLINE hash_t::value_type hash(
const win::UNICODE_STRING_T& str) noexcept
{
auto first = str.Buffer;
const auto last = first + (str.Length / sizeof(wchar_t));
auto value = hash_t::offset;
for (; first != last; ++first)
value = hash_t::single(value, static_cast<char>(*first));
return value;
}
LAZY_IMPORTER_FORCEINLINE pair<hash_t::value_type, hash_t::value_type> hash_forwarded(
const char* str) noexcept
{
pair<hash_t::value_type, hash_t::value_type> module_and_function{
hash_t::offset, hash_t::offset
};
for (; *str != '.'; ++str)
module_and_function.first = hash_t::single(module_and_function.first, *str);
++str;
for (; *str; ++str)
module_and_function.second = hash_t::single(module_and_function.second, *str);
return module_and_function;
}
// some helper functions
LAZY_IMPORTER_FORCEINLINE const win::PEB_T* peb() noexcept
{
#if defined(_WIN64)
return reinterpret_cast<const win::PEB_T*>(__readgsqword(0x60));
#elif defined(_WIN32)
return reinterpret_cast<const win::PEB_T*>(__readfsdword(0x30));
#else
#error Unsupported platform. Open an issue and I'll probably add support.
#endif
}
LAZY_IMPORTER_FORCEINLINE const win::PEB_LDR_DATA_T* ldr()
{
return reinterpret_cast<const win::PEB_LDR_DATA_T*>(peb()->Ldr);
}
LAZY_IMPORTER_FORCEINLINE const win::IMAGE_NT_HEADERS* nt_headers(
const char* base) noexcept
{
return reinterpret_cast<const win::IMAGE_NT_HEADERS*>(
base + reinterpret_cast<const win::IMAGE_DOS_HEADER*>(base)->e_lfanew);
}
LAZY_IMPORTER_FORCEINLINE const win::IMAGE_EXPORT_DIRECTORY* image_export_dir(
const char* base) noexcept
{
return reinterpret_cast<const win::IMAGE_EXPORT_DIRECTORY*>(
base + nt_headers(base)->OptionalHeader.DataDirectory->VirtualAddress);
}
LAZY_IMPORTER_FORCEINLINE const win::LDR_DATA_TABLE_ENTRY_T* ldr_data_entry() noexcept
{
return reinterpret_cast<const win::LDR_DATA_TABLE_ENTRY_T*>(
ldr()->InLoadOrderModuleList.Flink);
}
struct exports_directory {
const char* _base;
const win::IMAGE_EXPORT_DIRECTORY* _ied;
unsigned long _ied_size;
public:
using size_type = unsigned long;
LAZY_IMPORTER_FORCEINLINE
exports_directory(const char* base) noexcept : _base(base)
{
const auto ied_data_dir = nt_headers(base)->OptionalHeader.DataDirectory[0];
_ied = reinterpret_cast<const win::IMAGE_EXPORT_DIRECTORY*>(
base + ied_data_dir.VirtualAddress);
_ied_size = ied_data_dir.Size;
}
LAZY_IMPORTER_FORCEINLINE explicit operator bool() const noexcept
{
return reinterpret_cast<const char*>(_ied) != _base;
}
LAZY_IMPORTER_FORCEINLINE size_type size() const noexcept
{
return _ied->NumberOfNames;
}
LAZY_IMPORTER_FORCEINLINE const char* base() const noexcept { return _base; }
LAZY_IMPORTER_FORCEINLINE const win::IMAGE_EXPORT_DIRECTORY* ied() const noexcept
{
return _ied;
}
LAZY_IMPORTER_FORCEINLINE const char* name(size_type index) const noexcept
{
return reinterpret_cast<const char*>(
_base + reinterpret_cast<const unsigned long*>(
_base + _ied->AddressOfNames)[index]);
}
LAZY_IMPORTER_FORCEINLINE const char* address(size_type index) const noexcept
{
const auto* const rva_table =
reinterpret_cast<const unsigned long*>(_base + _ied->AddressOfFunctions);
const auto* const ord_table = reinterpret_cast<const unsigned short*>(
_base + _ied->AddressOfNameOrdinals);
return _base + rva_table[ord_table[index]];
}
LAZY_IMPORTER_FORCEINLINE bool is_forwarded(const char* export_address) const
noexcept
{
const auto ui_ied = reinterpret_cast<const char*>(_ied);
return (export_address > ui_ied && export_address < ui_ied + _ied_size);
}
};
struct safe_module_enumerator {
using value_type = const detail::win::LDR_DATA_TABLE_ENTRY_T;
value_type* value;
value_type* const head;
LAZY_IMPORTER_FORCEINLINE safe_module_enumerator() noexcept
: value(ldr_data_entry()), head(value)
{}
LAZY_IMPORTER_FORCEINLINE void reset() noexcept { value = head; }
LAZY_IMPORTER_FORCEINLINE bool next() noexcept
{
value = value->load_order_next();
return value != head && value->DllBase;
}
};
struct unsafe_module_enumerator {
using value_type = const detail::win::LDR_DATA_TABLE_ENTRY_T*;
value_type value;
LAZY_IMPORTER_FORCEINLINE unsafe_module_enumerator() noexcept
: value(ldr_data_entry())
{}
LAZY_IMPORTER_FORCEINLINE void reset() noexcept { value = ldr_data_entry(); }
LAZY_IMPORTER_FORCEINLINE bool next() noexcept
{
value = value->load_order_next();
return true;
}
};
// provides the cached functions which use Derive classes methods
template<class Derived, class DefaultType = void*>
class lazy_base {
protected:
// This function is needed because every templated function
// with different args has its own static buffer
LAZY_IMPORTER_FORCEINLINE static void*& _cache() noexcept
{
static void* value = nullptr;
return value;
}
public:
template<class T = DefaultType>
LAZY_IMPORTER_FORCEINLINE static T safe() noexcept
{
return Derived::template get<T, safe_module_enumerator>();
}
template<class T = DefaultType, class Enum = unsafe_module_enumerator>
LAZY_IMPORTER_FORCEINLINE static T cached() noexcept
{
auto& cached = _cache();
if (!cached)
cached = Derived::template get<void*, Enum>();
return (T)(cached);
}
template<class T = DefaultType>
LAZY_IMPORTER_FORCEINLINE static T safe_cached() noexcept
{
return cached<T, safe_module_enumerator>();
}
};
template<hash_t::value_type Hash>
struct lazy_module : lazy_base<lazy_module<Hash>> {
template<class T = void*, class Enum = unsafe_module_enumerator>
LAZY_IMPORTER_FORCEINLINE static T get() noexcept
{
Enum e;
do {
if (hash(e.value->BaseDllName) == Hash)
return (T)(e.value->DllBase);
} while (e.next());
return {};
}
};
template<hash_t::value_type Hash, class T>
struct lazy_function : lazy_base<lazy_function<Hash, T>, T> {
using base_type = lazy_base<lazy_function<Hash, T>, T>;
template<class... Args>
LAZY_IMPORTER_FORCEINLINE decltype(auto) operator()(Args&&... args) const
{
#ifndef LAZY_IMPORTER_CACHE_OPERATOR_PARENS
return get()(std::forward<Args>(args)...);
#else
return this->cached()(std::forward<Args>(args)...);
#endif
}
template<class F = T, class Enum = unsafe_module_enumerator>
LAZY_IMPORTER_FORCEINLINE static F get() noexcept
{
// for backwards compatability.
// Before 2.0 it was only possible to resolve forwarded exports when
// this macro was enabled
#ifdef LAZY_IMPORTER_RESOLVE_FORWARDED_EXPORTS
return forwarded<F, Enum>();
#else
Enum e;
do {
const exports_directory exports(e.value->DllBase);
if (exports) {
auto export_index = exports.size();
while (export_index--)
if (hash(exports.name(export_index)) == Hash)
return (F)(exports.address(export_index));
}
} while (e.next());
return {};
#endif
}
template<class F = T, class Enum = unsafe_module_enumerator>
LAZY_IMPORTER_FORCEINLINE static F forwarded() noexcept
{
detail::win::UNICODE_STRING_T name;
hash_t::value_type module_hash = 0;
auto function_hash = Hash;
Enum e;
do {
name = e.value->BaseDllName;
name.Length -= 8; // get rid of .dll extension
if (!module_hash || hash(name) == module_hash) {
const exports_directory exports(e.value->DllBase);
if (exports) {
auto export_index = exports.size();
while (export_index--)
if (hash(exports.name(export_index)) == function_hash) {
const auto addr = exports.address(export_index);
if (exports.is_forwarded(addr)) {
auto hashes = hash_forwarded(
reinterpret_cast<const char*>(addr));
function_hash = hashes.second;
module_hash = hashes.first;
e.reset();
break;
}
return (F)(addr);
}
}
}
} while (e.next());
return {};
}
template<class F = T>
LAZY_IMPORTER_FORCEINLINE static F forwarded_safe() noexcept
{
return forwarded<F, safe_module_enumerator>();
}
template<class F = T, class Enum = unsafe_module_enumerator>
LAZY_IMPORTER_FORCEINLINE static F forwarded_cached() noexcept
{
auto& value = base_type::_cache();
if (!value)
value = forwarded<void*, Enum>();
return (F)(value);
}
template<class F = T>
LAZY_IMPORTER_FORCEINLINE static F forwarded_safe_cached() noexcept
{
return forwarded_cached<F, safe_module_enumerator>();
}
template<class F = T, bool IsSafe = false, class Module>
LAZY_IMPORTER_FORCEINLINE static F in(Module m) noexcept
{
if (IsSafe && !m)
return {};
const exports_directory exports((const char*)(m));
if (IsSafe && !exports)
return {};
for (unsigned long i{};; ++i) {
if (IsSafe && i == exports.size())
break;
if (hash(exports.name(i)) == Hash)
return (F)(exports.address(i));
}
return {};
}
template<class F = T, class Module>
LAZY_IMPORTER_FORCEINLINE static F in_safe(Module m) noexcept
{
return in<F, true>(m);
}
template<class F = T, bool IsSafe = false, class Module>
LAZY_IMPORTER_FORCEINLINE static F in_cached(Module m) noexcept
{
auto& value = base_type::_cache();
if (!value)
value = in<void*, IsSafe>(m);
return (F)(value);
}
template<class F = T, class Module>
LAZY_IMPORTER_FORCEINLINE static F in_safe_cached(Module m) noexcept
{
return in_cached<F, true>(m);
}
template<class F = T>
LAZY_IMPORTER_FORCEINLINE static F nt() noexcept
{
return in<F>(ldr_data_entry()->load_order_next()->DllBase);
}
template<class F = T>
LAZY_IMPORTER_FORCEINLINE static F nt_safe() noexcept
{
return in_safe<F>(ldr_data_entry()->load_order_next()->DllBase);
}
template<class F = T>
LAZY_IMPORTER_FORCEINLINE static F nt_cached() noexcept
{
return in_cached<F>(ldr_data_entry()->load_order_next()->DllBase);
}
template<class F = T>
LAZY_IMPORTER_FORCEINLINE static F nt_safe_cached() noexcept
{
return in_safe_cached<F>(ldr_data_entry()->load_order_next()->DllBase);
}
};
}
} // namespace li::detail
#endif // include guard

65
internal/present.cpp
Unescape View File

@ -0,0 +1,65 @@
#include <atomic>
#include <Windows.h>
#include "no_gui/no_gui.h"
#include "no_imports.h"
no_gui gui;
std::atomic<bool> draw_first_init = true;
color blue(255, 0, 0, 255);
color red(255, 255, 0, 0);
__declspec(dllexport) PHANDLE event_handle = nullptr;
using EtwEventUnregister = HANDLE(__fastcall*)(HANDLE);
enum event_type
{
present = 0x500100110000B2,
resize_buffers = 0x550200110000BD
};
void draw_handler(IDXGISwapChain* swapchain)
{
if (draw_first_init.exchange(false))
{
gui.init(swapchain);
const auto event_unregister =
LI_FN(GetProcAddress)(
LI_FN(GetModuleHandleA)("ntdll.dll"),
"EtwEventUnregister"
);
reinterpret_cast<EtwEventUnregister>(event_unregister)(*event_handle);
}
gui.begin_scene();
{
gui.draw_circle(gui.get_width() / 2, gui.get_height() / 2, 100, blue);
gui.draw_cross(gui.get_width() / 2, gui.get_height() / 2, 100, 100, red);
}
gui.end_scene();
}
extern "C" __declspec(dllexport) ULONG event_handler
(
HANDLE handle,
event_type* event_des,
std::uint32_t data_count,
IDXGISwapChain*** swapchain
)
{
if (event_des && swapchain)
{
// switch on the event, there is a present event
// a resize buffer event (if the window resizes)
// there are a bunch of other events you can get too...
switch (*event_des)
{
case present:
draw_handler(**swapchain);
break;
default:
break;
}
}
return true;
}
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