implement working windows

4 files changed, 95 insertions, 8 deletions

diff --git a/src/gl/gl.c b/src/gl/gl.c
new file mode 100644
index 0000000..8613e70
--- /dev/null
+++ b/src/gl/gl.c
@@ -0,0 +1,34 @@
+#include "gl/glad/glad.h"
+#include <GLFW/glfw3.h>
+#include <lua.h>
+#include <honeysuckle.h>
+
+
+int gl_init(lua_State *L);
+int gl_terminate(lua_State *L);
+
+
+void setup_gl(lua_State *L, int honey_index)
+{
+	hs_create_table(L,
+		hs_str_cfunc("init", gl_init),
+		hs_str_cfunc("terminate", gl_terminate)
+	);
+	lua_setfield(L, honey_index, "gl");
+}
+
+
+int gl_init(lua_State *L)
+{
+	if (!glfwInit()) {
+		hs_throw_error(L, "failed to initialize GLFW");
+	}
+	return 0;
+}
+
+
+int gl_terminate(lua_State *L)
+{
+	glfwTerminate();
+	return 0;
+}
diff --git a/src/gl/gl.h b/src/gl/gl.h
new file mode 100644
index 0000000..2e27851
--- /dev/null
+++ b/src/gl/gl.h
@@ -0,0 +1,9 @@
+#ifndef HONEY_GL_H
+#define HONEY_GL_H
+
+#include <lua.h>
+
+void setup_gl(lua_State *L, int honey_index);
+void setup_window(lua_State *L, int honey_index);
+
+#endif
diff --git a/src/gl/window.test.c b/src/gl/gl.test.c
index b4fb5d4..9bacbf9 100644
--- a/src/gl/window.test.c
+++ b/src/gl/gl.test.c
@@ -12,7 +12,7 @@ void mock_glfwTerminate_();
 #define glfwInit mock_glfwInit_
 #define hs_throw_error mock_hs_throw_error_
 #define glfwTerminate mock_glfwTerminate_
-#include "gl/window.c"
+#include "gl/gl.c"
 #undef glfwTerminate
 #undef hs_throw_error
 #undef glfwInit
@@ -102,7 +102,7 @@ void gl_terminate_works()
 }
 
 
-void suite_window()
+void suite_gl()
 {
 	lily_run_test(gl_init_succeeds);
 	lily_run_test(gl_init_fails);
diff --git a/src/gl/window.c b/src/gl/window.c
index bc654f9..8434a5a 100644
--- a/src/gl/window.c
+++ b/src/gl/window.c
@@ -3,17 +3,61 @@
 #include <lua.h>
 #include <honeysuckle.h>
 
-int gl_init(lua_State *L)
+
+int window_create(lua_State *L);
+int window_destroy(lua_State *L);
+int window_should_close(lua_State *L);
+int window_poll_events(lua_State *L);
+
+
+void setup_window(lua_State *L, int honey_index)
+{
+	hs_create_table(L,
+		hs_str_cfunc("create", window_create),
+		hs_str_cfunc("destroy", window_destroy),
+		hs_str_cfunc("shouldClose", window_should_close),
+		hs_str_cfunc("pollEvents", window_poll_events)
+	);
+	lua_setfield(L, honey_index, "window");
+}
+
+
+int window_create(lua_State *L)
+{
+	lua_Integer width, height;
+	char *title;
+	hs_parse_args(L, hs_int(width), hs_int(height), hs_str(title));
+
+	GLFWwindow *win = glfwCreateWindow(width, height, title, NULL, NULL);
+	if (win == NULL)
+		hs_throw_error(L, "failed to create window");
+	lua_pushlightuserdata(L, win);
+	return 1;
+}
+
+
+int window_destroy(lua_State *L)
 {
-	if (!glfwInit()) {
-		hs_throw_error(L, "failed to initialize GLFW");
-	}
+	void *ptr;
+	hs_parse_args(L, hs_light(ptr));
+	GLFWwindow *win = ptr;
+	glfwDestroyWindow(win);
 	return 0;
 }
 
 
-int gl_terminate(lua_State *L)
+int window_should_close(lua_State *L)
+{
+	void *ptr;
+	hs_parse_args(L, hs_light(ptr));
+	GLFWwindow *win = ptr;
+	lua_pushboolean(L, glfwWindowShouldClose(win));
+	return 1;
+}
+
+
+int window_poll_events(lua_State *L)
 {
-	glfwTerminate();
+	glfwPollEvents();
 	return 0;
 }