From f6ffb9f87e285d87561a4e4866742bfb61e868fa Mon Sep 17 00:00:00 2001
From: "Grayson Riffe (Laptop)" <graysonriffe@yahoo.com>
Date: Fri, 20 Aug 2021 14:06:03 -0500
Subject: [PATCH] Started work on the Renderer and added directory-creating
functionality to writeFile
---
Game/src/include/MainState.h | 2 +-
NothinFancy/NothinFancy.vcxproj | 8 +++
NothinFancy/NothinFancy.vcxproj.filters | 24 ++++++++
NothinFancy/src/Application.cpp | 65 ++++-----------------
NothinFancy/src/Renderer/IndexBuffer.cpp | 22 +++++++
NothinFancy/src/Renderer/Renderer.cpp | 71 +++++++++++++++++++++++
NothinFancy/src/Renderer/VertexArray.cpp | 12 ++++
NothinFancy/src/Renderer/VertexBuffer.cpp | 17 ++++++
NothinFancy/src/Utility.cpp | 13 +++++
NothinFancy/src/include/Application.h | 11 ++--
NothinFancy/src/include/IndexBuffer.h | 18 ++++++
NothinFancy/src/include/Renderer.h | 22 +++++++
NothinFancy/src/include/VertexArray.h | 13 +++++
NothinFancy/src/include/VertexBuffer.h | 16 +++++
14 files changed, 253 insertions(+), 61 deletions(-)
create mode 100644 NothinFancy/src/Renderer/IndexBuffer.cpp
create mode 100644 NothinFancy/src/Renderer/Renderer.cpp
create mode 100644 NothinFancy/src/Renderer/VertexArray.cpp
create mode 100644 NothinFancy/src/Renderer/VertexBuffer.cpp
create mode 100644 NothinFancy/src/include/IndexBuffer.h
create mode 100644 NothinFancy/src/include/Renderer.h
create mode 100644 NothinFancy/src/include/VertexArray.h
create mode 100644 NothinFancy/src/include/VertexBuffer.h
diff --git a/Game/src/include/MainState.h b/Game/src/include/MainState.h
index 9257cdb..bc41824 100644
--- a/Game/src/include/MainState.h
+++ b/Game/src/include/MainState.h
@@ -9,5 +9,5 @@ public:
void update() override;
void render() override;
private:
- Application* m_app;
+
};
\ No newline at end of file
diff --git a/NothinFancy/NothinFancy.vcxproj b/NothinFancy/NothinFancy.vcxproj
index f1c08cb..5b63d20 100644
--- a/NothinFancy/NothinFancy.vcxproj
+++ b/NothinFancy/NothinFancy.vcxproj
@@ -193,16 +193,24 @@
<ItemGroup>
<ClCompile Include="src\Application.cpp" />
<ClCompile Include="src\IntroGamestate.cpp" />
+ <ClCompile Include="src\Renderer\IndexBuffer.cpp" />
+ <ClCompile Include="src\Renderer\Renderer.cpp" />
+ <ClCompile Include="src\Renderer\VertexArray.cpp" />
+ <ClCompile Include="src\Renderer\VertexBuffer.cpp" />
<ClCompile Include="src\Utility.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="src\include\Application.h" />
<ClInclude Include="src\include\Config.h" />
<ClInclude Include="src\include\IGamestate.h" />
+ <ClInclude Include="src\include\IndexBuffer.h" />
<ClInclude Include="src\include\IntroGamestate.h" />
<ClInclude Include="src\include\Input.h" />
<ClInclude Include="src\include\NothinFancy.h" />
+ <ClInclude Include="src\include\Renderer.h" />
<ClInclude Include="src\include\Utility.h" />
+ <ClInclude Include="src\include\VertexArray.h" />
+ <ClInclude Include="src\include\VertexBuffer.h" />
</ItemGroup>
<ItemGroup>
<Natvis Include="NatvisFile.natvis" />
diff --git a/NothinFancy/NothinFancy.vcxproj.filters b/NothinFancy/NothinFancy.vcxproj.filters
index 908f155..4692b11 100644
--- a/NothinFancy/NothinFancy.vcxproj.filters
+++ b/NothinFancy/NothinFancy.vcxproj.filters
@@ -24,6 +24,18 @@
<ClCompile Include="src\IntroGamestate.cpp">
<Filter>Source Files</Filter>
</ClCompile>
+ <ClCompile Include="src\Renderer\VertexBuffer.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="src\Renderer\Renderer.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="src\Renderer\IndexBuffer.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="src\Renderer\VertexArray.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="src\include\Config.h">
@@ -47,6 +59,18 @@
<ClInclude Include="src\include\Input.h">
<Filter>Header Files</Filter>
</ClInclude>
+ <ClInclude Include="src\include\Renderer.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="src\include\VertexBuffer.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="src\include\IndexBuffer.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="src\include\VertexArray.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
</ItemGroup>
<ItemGroup>
<Natvis Include="NatvisFile.natvis" />
diff --git a/NothinFancy/src/Application.cpp b/NothinFancy/src/Application.cpp
index 1aef96f..971e7de 100644
--- a/NothinFancy/src/Application.cpp
+++ b/NothinFancy/src/Application.cpp
@@ -61,7 +61,6 @@ namespace nf {
}
void Application::run() {
- addIntroState();
showWindow(true);
m_running = true;
MSG msg = { };
@@ -111,6 +110,10 @@ namespace nf {
SetWindowPos(m_window, HWND_TOP, x, y, in.width, in.height, SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
}
+ const HWND& Application::getWindow() {
+ return m_window;
+ }
+
const Config& Application::getConfig() const {
return m_currentConfig;
}
@@ -128,20 +131,20 @@ namespace nf {
}
}
- void Application::addIntroState() {
+ void Application::startIntroState() {
m_sIntro = new IntroGamestate;
m_sIntro->onEnter(this);
m_currentState = m_sIntro;
}
void Application::startMainThread() {
- createOpenGLContext();
+ m_renderer = new Renderer(this);
+ startIntroState();
while (m_running) {
m_deltaTime = m_fpsDuration.count();
- glClear(GL_COLOR_BUFFER_BIT);
m_currentState->update();
m_currentState->render();
- SwapBuffers(m_hdc);
+ m_renderer->doFrame();
m_frames++;
m_fpsClock2 = std::chrono::steady_clock::now();
m_fpsDuration = m_fpsClock2 - m_fpsClock1;
@@ -149,7 +152,7 @@ namespace nf {
m_fpsClock1 = std::chrono::steady_clock::now();
m_FPS = m_frames;
m_frames = 0;
- Log(m_FPS);
+ Log("FPS: " + std::to_string(m_FPS));
}
m_fpsDuration = std::chrono::steady_clock::now() - m_frameClock;
while (m_fpsDuration.count() < m_minFrametime) {
@@ -158,9 +161,7 @@ namespace nf {
m_frameClock = std::chrono::steady_clock::now();
}
m_currentState->onExit();
- ReleaseDC(m_window, m_hdc);
- wglMakeCurrent(NULL, NULL);
- wglDeleteContext(m_hglrc);
+ delete m_renderer;
}
void Application::registerWindowClass() {
@@ -283,52 +284,6 @@ namespace nf {
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
- void Application::createOpenGLContext() {
- m_hdc = GetDC(m_window);
- PIXELFORMATDESCRIPTOR pfd = {
- sizeof(PIXELFORMATDESCRIPTOR),
- 1,
- PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER, //Flags
- PFD_TYPE_RGBA, // The kind of framebuffer. RGBA or palette.
- 32, // Colordepth of the framebuffer.
- 0, 0, 0, 0, 0, 0,
- 0,
- 0,
- 0,
- 0, 0, 0, 0,
- 24, // Number of bits for the depthbuffer
- 8, // Number of bits for the stencilbuffer
- 0, // Number of Aux buffers in the framebuffer.
- PFD_MAIN_PLANE,
- 0,
- 0, 0, 0
- };
- int pf = ChoosePixelFormat(m_hdc, &pfd);
- SetPixelFormat(m_hdc, pf, &pfd);
- m_hglrc = wglCreateContext(m_hdc);
- wglMakeCurrent(m_hdc, m_hglrc);
- glewExperimental = GL_TRUE;
- if (glewInit() != GLEW_OK) {
- Error("Could not initialize GLEW");
- }
- const int attrib[] = {
- WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
- WGL_CONTEXT_MINOR_VERSION_ARB, 3,
- WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
- 0, 0
- };
- wglDeleteContext(m_hglrc);
- m_hglrc = wglCreateContextAttribsARB(m_hdc, NULL, attrib);
- wglMakeCurrent(m_hdc, m_hglrc);
- wglSwapIntervalEXT(0);
- Log("OpenGL version: " + std::string((char*)glGetString(GL_VERSION)));
- //TODO: Move default vertex array to Renderer
- GLuint vao;
- glGenVertexArrays(1, &vao);
- glBindVertexArray(vao);
- glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
- }
-
Application::~Application() {
Log("Exiting NF application");
diff --git a/NothinFancy/src/Renderer/IndexBuffer.cpp b/NothinFancy/src/Renderer/IndexBuffer.cpp
new file mode 100644
index 0000000..047992b
--- /dev/null
+++ b/NothinFancy/src/Renderer/IndexBuffer.cpp
@@ -0,0 +1,22 @@
+#include "IndexBuffer.h"
+
+namespace nf {
+ IndexBuffer::IndexBuffer(const void* data, size_t count) {
+ m_count = count;
+ glGenBuffers(1, &m_id);
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_id);
+ glBufferData(GL_ELEMENT_ARRAY_BUFFER, count * sizeof(unsigned int), data, GL_STATIC_DRAW);//TODO: See if I need to change this to dynamic
+ }
+
+ void IndexBuffer::bind() const {
+ glBindBuffer(GL_ARRAY_BUFFER, m_id);
+ }
+
+ unsigned int IndexBuffer::getCount() {
+ return m_count;
+ }
+
+ IndexBuffer::~IndexBuffer() {
+ glDeleteBuffers(1, &m_id);
+ }
+}
\ No newline at end of file
diff --git a/NothinFancy/src/Renderer/Renderer.cpp b/NothinFancy/src/Renderer/Renderer.cpp
new file mode 100644
index 0000000..308c7bb
--- /dev/null
+++ b/NothinFancy/src/Renderer/Renderer.cpp
@@ -0,0 +1,71 @@
+#include "Renderer.h"
+
+#include "Application.h"
+
+namespace nf {
+ Renderer::Renderer(Application* app) {
+ m_app = app;
+ m_hdc = GetDC(m_app->getWindow());
+ PIXELFORMATDESCRIPTOR pfd = {
+ sizeof(PIXELFORMATDESCRIPTOR),
+ 1,
+ PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER, //Flags
+ PFD_TYPE_RGBA, // The kind of framebuffer. RGBA or palette.
+ 32, // Colordepth of the framebuffer.
+ 0, 0, 0, 0, 0, 0,
+ 0,
+ 0,
+ 0,
+ 0, 0, 0, 0,
+ 24, // Number of bits for the depthbuffer
+ 8, // Number of bits for the stencilbuffer
+ 0, // Number of Aux buffers in the framebuffer.
+ PFD_MAIN_PLANE,
+ 0,
+ 0, 0, 0
+ };
+ int pf = ChoosePixelFormat(m_hdc, &pfd);
+ SetPixelFormat(m_hdc, pf, &pfd);
+ m_hglrc = wglCreateContext(m_hdc);
+ wglMakeCurrent(m_hdc, m_hglrc);
+ glewExperimental = GL_TRUE;
+ if (glewInit() != GLEW_OK) {
+ Error("Could not initialize GLEW");
+ }
+ const int attrib[] = {
+ WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
+ WGL_CONTEXT_MINOR_VERSION_ARB, 3,
+ WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
+ 0, 0
+ };
+ wglDeleteContext(m_hglrc);
+ m_hglrc = wglCreateContextAttribsARB(m_hdc, NULL, attrib);
+ wglMakeCurrent(m_hdc, m_hglrc);
+ wglSwapIntervalEXT(0);
+ Log("OpenGL version: " + std::string((char*)glGetString(GL_VERSION)));
+ GLuint vao;
+ glGenVertexArrays(1, &vao);
+ glBindVertexArray(vao);
+ glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
+ }
+
+ void Renderer::doFrame() {
+ glViewport(0, 0, m_app->getConfig().width, m_app->getConfig().height);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ SwapBuffers(m_hdc);
+
+#ifdef _DEBUG
+ GLenum err = glGetError();
+ if (err != GL_NO_ERROR) {
+ Error(("OpenGL error " + std::to_string(err)).c_str());
+ }
+#endif
+ }
+
+ Renderer::~Renderer() {
+ ReleaseDC(m_app->getWindow(), m_hdc);
+ wglMakeCurrent(NULL, NULL);
+ wglDeleteContext(m_hglrc);
+ }
+}
\ No newline at end of file
diff --git a/NothinFancy/src/Renderer/VertexArray.cpp b/NothinFancy/src/Renderer/VertexArray.cpp
new file mode 100644
index 0000000..a30a846
--- /dev/null
+++ b/NothinFancy/src/Renderer/VertexArray.cpp
@@ -0,0 +1,12 @@
+#include "VertexArray.h"
+
+namespace nf{
+ VertexArray::VertexArray(VertexBuffer& buffer) {
+ glGenVertexArrays(1, &m_id);
+ //TODO: Bind buffer and set the layout
+ }
+
+ VertexArray::~VertexArray() {
+ glDeleteVertexArrays(1, &m_id);
+ }
+}
\ No newline at end of file
diff --git a/NothinFancy/src/Renderer/VertexBuffer.cpp b/NothinFancy/src/Renderer/VertexBuffer.cpp
new file mode 100644
index 0000000..f87488c
--- /dev/null
+++ b/NothinFancy/src/Renderer/VertexBuffer.cpp
@@ -0,0 +1,17 @@
+#include "VertexBuffer.h"
+
+namespace nf {
+ VertexBuffer::VertexBuffer(const void* data, size_t size) {
+ glGenBuffers(1, &m_id);
+ glBindBuffer(GL_ARRAY_BUFFER, m_id);
+ glBufferData(GL_ARRAY_BUFFER, size, data, GL_STATIC_DRAW);//TODO: See if I need to change this to dynamic
+ }
+
+ void VertexBuffer::bind() const {
+ glBindBuffer(GL_ARRAY_BUFFER, m_id);
+ }
+
+ VertexBuffer::~VertexBuffer() {
+ glDeleteBuffers(1, &m_id);
+ }
+}
\ No newline at end of file
diff --git a/NothinFancy/src/Utility.cpp b/NothinFancy/src/Utility.cpp
index 7b0656c..bdb71b2 100644
--- a/NothinFancy/src/Utility.cpp
+++ b/NothinFancy/src/Utility.cpp
@@ -49,6 +49,19 @@ namespace nf {
}
bool writeFile(const char* filename, const std::string& in) {
+ std::string file(filename);
+ if (file.find('/') || file.find('\\')) {
+ int pos = file.find_last_of("/\\");
+ std::string temp = file.substr(0, pos);
+ std::wstring folders(temp.begin(), temp.end());
+ WCHAR exe[MAX_PATH];
+ GetModuleFileName(GetModuleHandle(NULL), exe, MAX_PATH);
+ std::wstring rootDir(exe);
+ pos = rootDir.find_last_of(L"/\\");
+ rootDir = rootDir.substr(0, pos + 1);
+ folders = rootDir + folders;
+ CreateDirectory(folders.c_str(), NULL);
+ }
std::ofstream out;
out.open(filename);
if (!out) {
diff --git a/NothinFancy/src/include/Application.h b/NothinFancy/src/include/Application.h
index dd41135..d1f8920 100644
--- a/NothinFancy/src/include/Application.h
+++ b/NothinFancy/src/include/Application.h
@@ -7,6 +7,7 @@
#include "Config.h"
#include "Utility.h"
#include "IntroGamestate.h"
+#include "Renderer.h"
namespace nf {
class Application {
@@ -22,6 +23,7 @@ namespace nf {
void run();
void showWindow(bool show);
void changeState(const char* stateName);
+ const HWND& getWindow();
void changeConfig(const Config& in);
const Config& getConfig() const;
int getFPS() const;
@@ -29,7 +31,7 @@ namespace nf {
~Application();
private:
- void addIntroState();
+ void startIntroState();
void startMainThread();
void registerWindowClass();
void toggleFullscreen();
@@ -38,8 +40,6 @@ namespace nf {
static LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
- void createOpenGLContext();
-
Config m_currentConfig;
bool m_running;
HINSTANCE m_hInst;
@@ -47,8 +47,6 @@ namespace nf {
HWND m_window;
LONG m_defaultWindowStyle;
WINDOWPLACEMENT m_wndPlacement;
- HDC m_hdc;
- HGLRC m_hglrc;
std::chrono::steady_clock::time_point m_frameClock = std::chrono::steady_clock::now();
std::chrono::duration<double> m_fpsDuration;
@@ -70,5 +68,8 @@ namespace nf {
//Array of booleans that represent keyboard and mouse input minus the scrollwheel
bool m_input[164];
+
+ //Renderer object to use OpenGL to render the current state
+ Renderer* m_renderer;
};
}
\ No newline at end of file
diff --git a/NothinFancy/src/include/IndexBuffer.h b/NothinFancy/src/include/IndexBuffer.h
new file mode 100644
index 0000000..ed7b143
--- /dev/null
+++ b/NothinFancy/src/include/IndexBuffer.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include "Renderer.h"
+
+namespace nf {
+ class IndexBuffer {
+ public:
+ IndexBuffer(const void* data, size_t count);
+
+ void bind() const;
+ unsigned int getCount();
+
+ ~IndexBuffer();
+ private:
+ unsigned int m_id;
+ unsigned int m_count;
+ };
+}
\ No newline at end of file
diff --git a/NothinFancy/src/include/Renderer.h b/NothinFancy/src/include/Renderer.h
new file mode 100644
index 0000000..aa4b769
--- /dev/null
+++ b/NothinFancy/src/include/Renderer.h
@@ -0,0 +1,22 @@
+#pragma once
+#ifdef NFENGINE
+#include "GL/glew.h"
+#include "GL\wglew.h"
+#endif
+
+namespace nf {
+ class Application;
+ class Renderer {
+ public:
+ Renderer(Application* app);
+
+ void doFrame();
+
+ ~Renderer();
+ private:
+ Application* m_app;
+
+ HDC m_hdc;
+ HGLRC m_hglrc;
+ };
+}
\ No newline at end of file
diff --git a/NothinFancy/src/include/VertexArray.h b/NothinFancy/src/include/VertexArray.h
new file mode 100644
index 0000000..27a9b0a
--- /dev/null
+++ b/NothinFancy/src/include/VertexArray.h
@@ -0,0 +1,13 @@
+#pragma once
+#include "VertexBuffer.h"
+
+namespace nf {
+ class VertexArray {
+ public:
+ VertexArray(VertexBuffer& buffer);
+
+ ~VertexArray();
+ private:
+ unsigned int m_id;
+ };
+}
\ No newline at end of file
diff --git a/NothinFancy/src/include/VertexBuffer.h b/NothinFancy/src/include/VertexBuffer.h
new file mode 100644
index 0000000..0ea4512
--- /dev/null
+++ b/NothinFancy/src/include/VertexBuffer.h
@@ -0,0 +1,16 @@
+#pragma once
+
+#include "Renderer.h"
+
+namespace nf {
+ class VertexBuffer {
+ public:
+ VertexBuffer(const void* data, size_t size);
+
+ void bind() const;
+
+ ~VertexBuffer();
+ private:
+ unsigned int m_id;
+ };
+}
\ No newline at end of file