Initial commit

2021-12-01 03:29:18 +00:00
parent 7fb0a74b7e
commit 3dcaf6df81
72 changed files with 16530 additions and 0 deletions
--- a/source/engine/window.c
+++ b/source/engine/window.c
@@ -0,0 +1,157 @@
+#include "window.h"
+
+#include "openglrender.h"
+
+#include <string.h>
+#include "log.h"
+
+struct mSDLWindow *window = NULL;
+
+static struct mSDLWindow *windows[5];
+static int numWindows = 0;
+
+struct mSDLWindow *MakeSDLWindow(const char *name, int width, int height,
+				 uint32_t flags)
+{
+    struct mSDLWindow *w = calloc(1, sizeof(struct mSDLWindow));
+    w->width = width;
+    w->height = height;
+    w->window = SDL_CreateWindow(name, 0, 0, width, height, flags);
+
+    if (w->window == NULL) {
+	YughLog(0, SDL_LOG_PRIORITY_ERROR,
+		"Window could not be created! SDL Error: %s",
+		SDL_GetError());
+    } else {
+	w->glContext = SDL_GL_CreateContext(w->window);
+
+	if (w->glContext == NULL) {
+	    YughLog(0, SDL_LOG_PRIORITY_ERROR,
+		    "OpenGL context could not be created! SDL Error: %s",
+		    SDL_GetError());
+	}
+	w->id = SDL_GetWindowID(w->window);
+
+	glewExperimental = GL_TRUE;
+	glewInit();
+
+	SDL_GL_SetSwapInterval(1);
+
+	if (numWindows < 5)
+	    windows[numWindows++] = w;
+    }
+
+
+    return w;
+}
+
+void window_handle_event(struct mSDLWindow *w, SDL_Event * e)
+{
+    if (e->type == SDL_WINDOWEVENT && e->window.windowID == w->id) {	// TODO: Check ptr direct?
+	switch (e->window.event) {
+	case SDL_WINDOWEVENT_SHOWN:
+	    YughLog(0, SDL_LOG_PRIORITY_INFO, "Showed window %d.", w->id);
+	    w->shown = true;
+	    break;
+
+	case SDL_WINDOWEVENT_HIDDEN:
+	    w->shown = false;
+	    YughLog(0, SDL_LOG_PRIORITY_INFO, "Hid window %d.", w->id);
+	    break;
+
+	case SDL_WINDOWEVENT_SIZE_CHANGED:
+
+	    w->width = e->window.data1;
+	    w->height = e->window.data2;
+	    YughLog(0, SDL_LOG_PRIORITY_INFO,
+		    "Changed size of window %d: width %d, height %d.",
+		    w->id, w->width, w->height);
+	    window_makecurrent(w);
+	    /*w.projection =
+	       glm::ortho(0.f, (float) width, 0.f, (float) height, -1.f,
+	       1.f); */
+	    w->render = true;
+	    break;
+
+	case SDL_WINDOWEVENT_EXPOSED:
+	    YughLog(0, SDL_LOG_PRIORITY_INFO, "Exposed window %d.", w->id);
+	    w->render = true;
+	    break;
+
+	case SDL_WINDOWEVENT_ENTER:
+	    YughLog(0, SDL_LOG_PRIORITY_INFO, "Entered window %d.", w->id);
+	    w->mouseFocus = true;
+	    SDL_RaiseWindow(w->window);
+	    break;
+
+	case SDL_WINDOWEVENT_LEAVE:
+	    YughLog(0, SDL_LOG_PRIORITY_INFO, "Left window %d.", w->id);
+	    w->mouseFocus = false;
+	    break;
+
+	case SDL_WINDOWEVENT_FOCUS_LOST:
+	    YughLog(0, SDL_LOG_PRIORITY_INFO,
+		    "Lost focus on window %d.", w->id);
+	    w->keyboardFocus = false;
+	    break;
+
+	case SDL_WINDOWEVENT_FOCUS_GAINED:
+	    YughLog(0, SDL_LOG_PRIORITY_INFO,
+		    "Gained focus on window %d.", w->id);
+	    w->keyboardFocus = true;
+	    break;
+
+	case SDL_WINDOWEVENT_MINIMIZED:
+	    YughLog(0, SDL_LOG_PRIORITY_INFO,
+		    "Minimized window %d.", w->id);
+	    w->minimized = true;
+	    break;
+
+	case SDL_WINDOWEVENT_MAXIMIZED:
+	    YughLog(0, SDL_LOG_PRIORITY_INFO,
+		    "Maximized window %d.", w->id);
+	    w->minimized = false;
+	    break;
+
+	case SDL_WINDOWEVENT_RESTORED:
+	    YughLog(0, SDL_LOG_PRIORITY_INFO,
+		    "Restored window %d.", w->id);
+	    w->minimized = false;
+	    break;
+
+	case SDL_WINDOWEVENT_CLOSE:
+	    YughLog(0, SDL_LOG_PRIORITY_INFO, "Closed window %d.", w->id);
+	    break;
+	}
+    }
+}
+
+void window_makefullscreen(struct mSDLWindow *w)
+{
+    SDL_SetWindowFullscreen(w->window, SDL_WINDOW_FULLSCREEN_DESKTOP);
+    w->fullscreen = true;
+}
+
+void window_togglefullscreen(struct mSDLWindow *w)
+{
+    w->fullscreen = !w->fullscreen;
+
+    if (w->fullscreen) {
+	window_makefullscreen(w);
+    } else {
+	SDL_SetWindowFullscreen(w->window, 0);
+    }
+
+}
+
+void window_makecurrent(struct mSDLWindow *w)
+{
+    if (w->window != SDL_GL_GetCurrentWindow())
+	SDL_GL_MakeCurrent(w->window, w->glContext);
+    glViewport(0, 0, w->width, w->height);
+}
+
+void window_swap(struct mSDLWindow *w)
+{
+    SDL_GL_SwapWindow(w->window);
+}