Switch to use SDL
This commit is contained in:
Vladislav Khorev
parent
7dda6d6ffb
commit
3bfac34979
1
Game.h
1
Game.h
@ -8,6 +8,7 @@
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namespace ZL
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{
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namespace GameConsts
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{
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constexpr float yAcceleration = -0.0003f;
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@ -107,11 +107,16 @@ PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC glGetActiveUniformBlockName = NULL;
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PFNGLUNIFORMBLOCKBINDINGPROC glUniformBlockBinding = NULL;
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PFNGLBINDBUFFERBASEPROC glBindBufferBase = NULL;
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PFNGLGENVERTEXARRAYSPROC glGenVertexArrays = NULL;
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PFNGLBINDVERTEXARRAYPROC glBindVertexArray = NULL;
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PFNGLDELETEVERTEXARRAYSPROC glDeleteVertexArray = NULL;
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namespace ZL {
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bool BindOpenGlFunctions()
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{
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char* extensionList = (char*)glGetString(GL_EXTENSIONS);
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//char* extensionList = (char*)glGetString(GL_EXTENSIONS);
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char* glVersion = (char*)glGetString(GL_VERSION);
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bool ok = true;
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@ -226,7 +231,7 @@ namespace ZL {
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ok = false;
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}
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if (findString("GL_ARB_framebuffer_object", extensionList))
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//if (findString("GL_ARB_framebuffer_object", extensionList))
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{
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glIsRenderbuffer = (PFNGLISRENDERBUFFERPROC)wglGetProcAddress("glIsRenderbuffer");
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glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC)wglGetProcAddress("glBindRenderbuffer");
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@ -275,12 +280,12 @@ namespace ZL {
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}
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else
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/*else
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{
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ok = false;
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}
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}*/
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if (findString("GL_ARB_uniform_buffer_object", extensionList))
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//if (findString("GL_ARB_uniform_buffer_object", extensionList))
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{
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glGetUniformIndices = (PFNGLGETUNIFORMINDICESPROC)wglGetProcAddress("glGetUniformIndices");
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@ -304,11 +309,23 @@ namespace ZL {
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ok = false;
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}
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}
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else
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/*else
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{
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ok = false;
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}*/
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glGenVertexArrays = (PFNGLGENVERTEXARRAYSPROC)wglGetProcAddress("glGenVertexArrays");
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glBindVertexArray = (PFNGLBINDVERTEXARRAYPROC)wglGetProcAddress("glBindVertexArray");
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glDeleteVertexArray = (PFNGLDELETEVERTEXARRAYSPROC)wglGetProcAddress("glBindVertexArray");
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if (glGenVertexArrays == NULL ||
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glBindVertexArray == NULL ||
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glDeleteVertexArray == NULL)
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{
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ok = false;
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}
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return ok;
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}
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@ -122,6 +122,11 @@ extern PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC glGetActiveUniformBlockName;
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extern PFNGLUNIFORMBLOCKBINDINGPROC glUniformBlockBinding;
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extern PFNGLBINDBUFFERBASEPROC glBindBufferBase;
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extern PFNGLGENVERTEXARRAYSPROC glGenVertexArrays;
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extern PFNGLBINDVERTEXARRAYPROC glBindVertexArray;
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extern PFNGLDELETEVERTEXARRAYSPROC glDeleteVertexArray;
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namespace ZL {
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bool BindOpenGlFunctions();
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27
Renderer.cpp
27
Renderer.cpp
@ -19,6 +19,22 @@ namespace ZL {
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return Buffer;
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}
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VAOHolder::VAOHolder()
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{
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glGenVertexArrays(1, &vao);
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}
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VAOHolder::~VAOHolder()
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{
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glDeleteVertexArray(1, &vao);
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//glDeleteBuffers(1, &Buffer);
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}
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GLuint VAOHolder::getBuffer()
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{
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return vao;
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}
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VertexDataStruct CreateRect2D(Vector2f center, Vector2f halfWidthHeight, float zLevel)
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{
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@ -106,6 +122,13 @@ namespace ZL {
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{
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//Check if main thread, check if data is not empty...
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if (!vao)
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{
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vao = std::make_shared<VAOHolder>();
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}
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glBindVertexArray(vao->getBuffer());
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if (!positionVBO)
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{
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positionVBO = std::make_shared<VBOHolder>();
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@ -135,14 +158,14 @@ namespace ZL {
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glEnable(GL_BLEND);
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glActiveTexture(GL_TEXTURE0);
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glEnable(GL_TEXTURE_2D);
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glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glDepthFunc(GL_LEQUAL);
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CheckGlError();
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}
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void Renderer::PushProjectionMatrix(float width, float height, float zNear, float zFar)
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17
Renderer.h
17
Renderer.h
@ -1,7 +1,6 @@
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#pragma once
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#include "OpenGlExtensions.h"
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#include "Math.h"
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#include "ShaderManager.h"
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@ -25,11 +24,27 @@ namespace ZL {
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GLuint getBuffer();
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};
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class VAOHolder {
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GLuint vao;
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public:
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VAOHolder();
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VAOHolder(const VAOHolder& v) = delete;
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VAOHolder& operator=(const VAOHolder& v) = delete;
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~VAOHolder();
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GLuint getBuffer();
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};
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struct VertexDataStruct
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{
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std::vector<Vector3f> PositionData;
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std::vector<Vector2f> TexCoordData;
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std::shared_ptr<VAOHolder> vao;
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std::shared_ptr<VBOHolder> positionVBO;
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std::shared_ptr<VBOHolder> texCoordVBO;
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@ -1,7 +1,5 @@
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#pragma once
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#include "OpenGlExtensions.h"
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#include "Utils.h"
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namespace ZL {
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@ -18,11 +18,17 @@ namespace ZL
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glBindTexture(GL_TEXTURE_2D, texID);
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CheckGlError();
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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CheckGlError();
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//This should be only for Windows
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glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
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//glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
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CheckGlError();
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if (texData.bitSize == TextureDataStruct::BS_24BIT)
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{
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@ -33,6 +39,8 @@ namespace ZL
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, static_cast<GLsizei>(texData.width), static_cast<GLsizei>(texData.height), 0, GL_RGBA, GL_UNSIGNED_BYTE, &texData.data[0]);
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}
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CheckGlError();
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}
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Texture::~Texture()
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@ -1,7 +1,6 @@
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#pragma once
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#include "OpenGlExtensions.h"
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#include "Utils.h"
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namespace ZL
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@ -29,26 +29,26 @@
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<PlatformToolset>v143</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<PlatformToolset>v143</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<PlatformToolset>v143</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<PlatformToolset>v143</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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@ -116,11 +116,15 @@
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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<AdditionalIncludeDirectories>C:\Work\SDL2-2.28.3\include</AdditionalIncludeDirectories>
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</ClCompile>
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<Link>
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<SubSystem>Windows</SubSystem>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<AdditionalDependencies>opengl32.lib;glu32.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
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<AdditionalDependencies>SDL2.lib;SDL2main.lib;opengl32.lib;glu32.lib;shell32.lib;opengl32.lib;glu32.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;$(CoreLibraryDependencies);%(AdditionalDependencies)</AdditionalDependencies>
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<AdditionalLibraryDirectories>C:\Work\SDL2-2.28.3\lib\x64</AdditionalLibraryDirectories>
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<EntryPointSymbol>
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</EntryPointSymbol>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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Binary file not shown.
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Before Width: | Height: | Size: 1.0 MiB After Width: | Height: | Size: 1.0 MiB |
BIN
bird.bmp32
BIN
bird.bmp32
Binary file not shown.
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Before Width: | Height: | Size: 1.0 MiB After Width: | Height: | Size: 1.0 MiB |
@ -1,4 +1,3 @@
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precision mediump float;
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uniform sampler2D Texture;
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varying vec2 texCoord;
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301
main.cpp
301
main.cpp
@ -5,7 +5,9 @@
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#include "Physics.h"
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#include <string>
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#include <windows.h>
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//#include <windows.h>
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#include "SDL.h"
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//#include "SDL_image.h"
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#include <cstdlib>
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#include <ctime>
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@ -16,18 +18,14 @@
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namespace ZL
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{
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HGLRC hRC; //Render context
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HWND Hwnd; //Main window handle
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HDC hDC; //Device context
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static SDL_Window* window = NULL;
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static SDL_GLContext gl_context;
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Renderer renderer;
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GameState gs;
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//There might be anything
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const wchar_t CONST_WINDOW_CLASS_NAME[] = L"ZeptoLabClass";
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const size_t CONST_TIMER_INTERVAL = 10;
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const size_t CONST_MAX_TIME_INTERVAL = 1000;
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@ -129,7 +127,6 @@ namespace ZL
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glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
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CheckGlError();
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glViewport(0, 0, Env::width, Env::height);
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@ -138,6 +135,7 @@ namespace ZL
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renderer.RenderUniform1i(textureUniformName, 0);
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renderer.EnableVertexAttribArray(vPositionName);
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renderer.EnableVertexAttribArray(vTexCoordName);
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renderer.PushProjectionMatrix(static_cast<float>(Env::width), static_cast<float>(Env::height));
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@ -157,7 +155,8 @@ namespace ZL
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renderer.shaderManager.PopShader();
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SwapBuffers(hDC);
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CheckGlError();
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}
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@ -167,11 +166,11 @@ namespace ZL
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if (LastTickCount == 0)
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{
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LastTickCount = GetTickCount64();
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LastTickCount = SDL_GetTicks64();
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return;
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}
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NewTickCount = GetTickCount64();
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NewTickCount = SDL_GetTicks64();
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if (NewTickCount - LastTickCount > CONST_TIMER_INTERVAL)
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{
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if (NewTickCount - LastTickCount > CONST_MAX_TIME_INTERVAL)
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@ -188,183 +187,12 @@ namespace ZL
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}
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LRESULT WINAPI WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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static PAINTSTRUCT ps;
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switch (uMsg)
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{
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case WM_CLOSE:
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PostQuitMessage(0);
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ExitGameLoop = true;
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break;
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case WM_PAINT:
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DrawScene();
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BeginPaint(hWnd, &ps);
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EndPaint(hWnd, &ps);
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ProcessTickCount();
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break;
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case WM_SIZE:
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PostMessage(hWnd, WM_PAINT, 0, 0);
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break;
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case WM_LBUTTONDOWN:
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case WM_RBUTTONDOWN:
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if (gs.isGameOver)
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{
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gs.RestartGame();
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}
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else
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{
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gs.BirdJump();
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}
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break;
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}
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return DefWindowProc(hWnd, uMsg, wParam, lParam);
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}
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void setup() {
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bool CreateOpenGLWindow(const wchar_t* title, int x, int y, int width, int height, HWND& hWnd, HDC& hDC, HGLRC& hRC)
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{
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int pf;
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WNDCLASS wc;
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PIXELFORMATDESCRIPTOR pfd;
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static HINSTANCE hInstance = 0;
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ZL::BindOpenGlFunctions();
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if (!hInstance)
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{
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hInstance = GetModuleHandle(NULL);
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wc.style = CS_OWNDC;
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wc.lpfnWndProc = (WNDPROC)WindowProc;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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wc.hInstance = hInstance;
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wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
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wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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wc.hbrBackground = NULL;
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wc.lpszMenuName = NULL;
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wc.lpszClassName = CONST_WINDOW_CLASS_NAME;
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if (!RegisterClass(&wc))
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{
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return NULL;
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}
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}
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RECT r;
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r.left = x;
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r.right = x + width;
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r.top = y;
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r.bottom = y + height;
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DWORD windowStyle = WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
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AdjustWindowRect(&r, windowStyle, false);
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Env::windowHeaderHeight = abs(r.top);
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hWnd = CreateWindow(CONST_WINDOW_CLASS_NAME, title, windowStyle, 0, 0, r.right - r.left, r.bottom - r.top, NULL, NULL, hInstance, NULL);
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if (hWnd == NULL)
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{
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return false;
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}
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hDC = GetDC(hWnd);
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memset(&pfd, 0, sizeof(pfd));
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pfd.nSize = sizeof(pfd);
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pfd.nVersion = 1;
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pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
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pfd.iPixelType = PFD_TYPE_RGBA;
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pfd.cColorBits = 32;
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pf = ChoosePixelFormat(hDC, &pfd);
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if (pf == 0)
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{
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return false;
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}
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if (SetPixelFormat(hDC, pf, &pfd) == FALSE)
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{
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return false;
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}
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hRC = wglCreateContext(hDC);
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wglMakeCurrent(hDC, hRC);
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return true;
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}
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void DestroyEngine()
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{
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wglMakeCurrent(NULL, NULL);
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ReleaseDC(Hwnd, hDC);
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wglDeleteContext(hRC);
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DestroyWindow(Hwnd);
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}
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void MainLoop()
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{
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MSG msg;
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ShowWindow(Hwnd, SW_SHOW);
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UpdateWindow(Hwnd);
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NewTickCount = GetTickCount64();
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LastTickCount = NewTickCount;
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while (!ExitGameLoop)
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{
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while (PeekMessage(&msg, Hwnd, 0, 0, PM_NOREMOVE))
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{
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if (GetMessage(&msg, Hwnd, 0, 0))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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||||
}
|
||||
else
|
||||
{
|
||||
ExitGameLoop = true;
|
||||
}
|
||||
}
|
||||
DrawScene();
|
||||
|
||||
ProcessTickCount();
|
||||
}
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
int CALLBACK WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPSTR lpCmdLine, _In_ int nCmdShow)
|
||||
{
|
||||
using namespace ZL;
|
||||
|
||||
try {
|
||||
|
||||
srand((unsigned)time(NULL));
|
||||
|
||||
constexpr int CONST_WIDTH = 1280;
|
||||
constexpr int CONST_HEIGHT = 720;
|
||||
|
||||
Env::width = CONST_WIDTH;
|
||||
Env::height = CONST_HEIGHT;
|
||||
|
||||
if (!CreateOpenGLWindow(L"ZeptoLabTest", 0, 0, Env::width, Env::height, Hwnd, hDC, hRC))
|
||||
{
|
||||
throw std::exception("Failed to create OpenGL Window!");
|
||||
}
|
||||
|
||||
BindOpenGlFunctions();
|
||||
CheckGlError();
|
||||
|
||||
//Load shaders:
|
||||
renderer.shaderManager.AddShaderFromFiles("default", "./default.vertex", "./default.fragment");
|
||||
@ -376,7 +204,7 @@ int CALLBACK WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance,
|
||||
GameObjects::gameOverTexturePtr = std::make_shared<Texture>(CreateTextureDataFromBmp32("./game_over.bmp32"));
|
||||
|
||||
|
||||
|
||||
CheckGlError();
|
||||
//Create bird mesh
|
||||
GameObjects::birdMesh = CreateRect2D({ 0.f, 0.f }, { GameConsts::birdScale * GameObjects::birdTexturePtr->getWidth(), GameConsts::birdScale * GameObjects::birdTexturePtr->getHeight() }, 0);
|
||||
|
||||
@ -393,7 +221,7 @@ int CALLBACK WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance,
|
||||
|
||||
GameObjects::backgroundMesh = CreateRectHorizontalSections2D({ GameObjects::backgroundTexturePtr->getWidth() * backgroundTextureScale * (0.5f), GameObjects::backgroundTexturePtr->getHeight() * backgroundTextureScale * (0.5f) }, { GameObjects::backgroundTexturePtr->getWidth() * backgroundTextureScale * 0.5f, GameObjects::backgroundTexturePtr->getHeight() * backgroundTextureScale * 0.5f }, 0, 2);
|
||||
|
||||
|
||||
CheckGlError();
|
||||
|
||||
//Create Game Over UI mesh depending on screen size
|
||||
|
||||
@ -414,15 +242,100 @@ int CALLBACK WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance,
|
||||
|
||||
renderer.InitOpenGL();
|
||||
|
||||
MainLoop();
|
||||
CheckGlError();
|
||||
}
|
||||
|
||||
void render() {
|
||||
|
||||
SDL_GL_MakeCurrent(window, gl_context);
|
||||
|
||||
CheckGlError();
|
||||
|
||||
glClearColor(1.0f, 0.0f, 0.0f, 1.0f);
|
||||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||||
|
||||
DrawScene();
|
||||
ProcessTickCount();
|
||||
|
||||
SDL_GL_SwapWindow(window);
|
||||
|
||||
DestroyEngine();
|
||||
}
|
||||
catch (const std::exception& e)
|
||||
{
|
||||
std::cerr << "Oops: " << e.what() << std::endl;
|
||||
|
||||
void update() {
|
||||
SDL_Event event;
|
||||
while (SDL_PollEvent(&event)) {
|
||||
if (event.type == SDL_QUIT) {
|
||||
ExitGameLoop = true;
|
||||
}
|
||||
if (event.type == SDL_MOUSEBUTTONDOWN)
|
||||
{
|
||||
if (gs.isGameOver)
|
||||
{
|
||||
gs.RestartGame();
|
||||
}
|
||||
else
|
||||
{
|
||||
gs.BirdJump();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
render();
|
||||
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
int main(int argc, char* argv[])
|
||||
{
|
||||
#ifdef EMSCRIPTEN
|
||||
SDL_Renderer* renderer = NULL;
|
||||
SDL_CreateWindowAndRenderer(512, 512, SDL_WINDOW_OPENGL, &window, &renderer);
|
||||
#else
|
||||
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS) != 0) {
|
||||
SDL_Log("Failed to initialize SDL: %s", SDL_GetError());
|
||||
return 1;
|
||||
}
|
||||
|
||||
constexpr int CONST_WIDTH = 1280;
|
||||
constexpr int CONST_HEIGHT = 720;
|
||||
|
||||
ZL::Env::width = CONST_WIDTH;
|
||||
ZL::Env::height = CONST_HEIGHT;
|
||||
|
||||
|
||||
return 0;
|
||||
|
||||
}
|
||||
// Use a core profile setup.
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
|
||||
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
|
||||
ZL::window = SDL_CreateWindow("title", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, CONST_WIDTH, CONST_HEIGHT, SDL_WINDOW_OPENGL);
|
||||
|
||||
//todo
|
||||
ZL::Env::windowHeaderHeight = 0;
|
||||
|
||||
ZL::gl_context = SDL_GL_CreateContext(ZL::window);
|
||||
|
||||
ZL::CheckGlError();
|
||||
|
||||
|
||||
#endif
|
||||
ZL::setup();
|
||||
#ifdef EMSCRIPTEN
|
||||
// register update as callback
|
||||
emscripten_set_main_loop(ZL::update, 0, 1);
|
||||
#else
|
||||
while (!ZL::ExitGameLoop) {
|
||||
|
||||
ZL::update();
|
||||
SDL_Delay(2);
|
||||
|
||||
}
|
||||
SDL_GL_DeleteContext(ZL::gl_context);
|
||||
SDL_DestroyWindow(ZL::window);
|
||||
SDL_Quit();
|
||||
|
||||
exit(0);
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user