diff options
Diffstat (limited to 'ui/window.cpp')
| -rw-r--r-- | ui/window.cpp | 42 |
1 files changed, 35 insertions, 7 deletions
diff --git a/ui/window.cpp b/ui/window.cpp index c451367..2dc0c2a 100644 --- a/ui/window.cpp +++ b/ui/window.cpp @@ -1,32 +1,42 @@ #include "window.h"
#include "ui/inputHandler.h"
#include <GL/glew.h>
+#include <optional>
#include <stdexcept>
-Window::Window(int width, int height, const std::string & title) :
- m_window {title.c_str(), static_cast<int>(SDL_WINDOWPOS_CENTERED), static_cast<int>(SDL_WINDOWPOS_CENTERED), width,
- height, static_cast<Uint32>(SDL_WINDOW_OPENGL)},
- m_glContext {m_window}
+static SDL_GLContext
+SDL_GL_CreateContextAndGlewInit(SDL_Window * w)
{
+ auto ctx = SDL_GL_CreateContext(w);
if (glewInit() != GLEW_OK) {
throw std::runtime_error {"Glew failed to initialize!"};
}
-
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ return ctx;
+}
+
+using GL_Context = std::remove_pointer_t<SDL_GLContext>;
+using SDL_GLContextPtr = wrapped_ptrt<GL_Context, SDL_GL_CreateContextAndGlewInit, SDL_GL_DeleteContext>;
+
+Window::Window(int width, int height, const std::string & title) :
+ m_window {title.c_str(), static_cast<int>(SDL_WINDOWPOS_CENTERED), static_cast<int>(SDL_WINDOWPOS_CENTERED), width,
+ height, static_cast<Uint32>(SDL_WINDOW_OPENGL)}
+{
+ glContext();
}
void
-Window::Clear(float r, float g, float b, float a) const
+Window::clear(float r, float g, float b, float a) const
{
glClearColor(r, g, b, a);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
void
-Window::SwapBuffers() const
+Window::swapBuffers() const
{
SDL_GL_SwapWindow(m_window);
}
@@ -40,3 +50,21 @@ Window::handleInput(const SDL_Event & e) }
return false;
}
+
+SDL_GLContext
+Window::glContext() const
+{
+ static SDL_GLContextPtr m_glContext {m_window};
+ return m_glContext;
+}
+
+void
+Window::refresh(const GameState * gameState) const
+{
+ SDL_GL_MakeCurrent(m_window, glContext());
+ clear(0.0F, 0.0F, 0.0F, 1.0F);
+
+ render(gameState);
+
+ swapBuffers();
+}
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