move setup functions to honey.c

1 files changed, 120 insertions, 53 deletions

diff --git a/src/honey.c b/src/honey.c
index 79ff970..0bd5b25 100644
--- a/src/honey.c
+++ b/src/honey.c
@@ -1,71 +1,138 @@
 #include "honey.h"
 
-static void default_honey_update_callback(float dt) {}
-static void default_honey_draw_callback() {}
-
-honey_window honey_setup(int screen_width, int screen_height, char* window_title) {
-  honey_update_callback = &default_honey_update_callback;
-  honey_draw_callback = &default_honey_draw_callback;
-  
-  glfwInit();
-  glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
-  glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
-  glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
-
-  honey_window window = glfwCreateWindow(screen_width, screen_height, window_title, NULL, NULL);
-  if (window == NULL) {
-    fprintf(stderr, "ERROR: failed to create window!\n");
-    glfwTerminate();
-    return NULL;
-  }
-
-  glfwMakeContextCurrent(window);
-  glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
-
-  if (!gladLoadGLLoader((GLADloadproc) glfwGetProcAddress)) {
-    fprintf(stderr, "ERROR: failed to initialize GLAD!\n");
-    glfwTerminate();
-    return NULL;
-  }
-
-  honey_setup_keyboard();
-  glfwSetKeyCallback(window, default_honey_keyboard_callback);
-
-  // Enable blending
-  glEnable(GL_BLEND);
-  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-  
-  return window;
+void honey_print_help()
+{
+    printf("usage: honey [OPTIONS] SCRIPT_DIR\n"
+           "  -v        Enable verbose logging\n"
+           "  -h        Show this help message and exit\n"
+           "  -l LOG    Log to LOG instead of stdout\n");
 }
 
 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
 
-void honey_set_update_callback(void (*update_callback)(float)) {
-  honey_update_callback = update_callback;
+bool honey_parse_options(honey_options* options, int argc, char** argv)
+{
+    honey_options opts;
+    opts.verbose = false;
+    opts.script_directory = NULL;
+    opts.logfile = NULL;
+
+    opterr = 0;
+    int c;
+
+    while ((c = getopt(argc, argv, "vhl:")) != -1) {
+        switch (c) {
+        case 'v':
+            opts.verbose = true;
+            break;
+
+        case 'h':
+            honey_print_help();
+            return false;
+
+        case 'l':
+            opts.logfile = optarg;
+            break;
+
+        case '?':
+            fprintf(stderr, "unknown option: '%c'\n", optopt);
+            honey_print_help();
+            return false;
+
+        default:
+            return false;
+        }
+    }
+
+    if (optind < argc) {
+        opts.script_directory = argv[optind];
+    }
+
+    *options = opts;
+
+    return true;
 }
 
-void honey_set_draw_callback(void (*draw_callback)()) {
-  honey_draw_callback = draw_callback;
+/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
+    
+bool honey_setup(lua_State** L, honey_window* window)
+{
+    /* set up glfw */
+    glfwInit();
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
+    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+
+    *window = glfwCreateWindow(640, 480, "honey", NULL, NULL);
+    if (*window == NULL) {
+        fprintf(stderr, "[honey] ERROR: failed to create window!\n");
+        glfwTerminate();
+        return false;
+    }
+
+    glfwMakeContextCurrent(*window);
+
+    if (!gladLoadGLLoader((GLADloadproc) glfwGetProcAddress)) {
+        fprintf(stderr, "[honey] ERROR: failed to initialize GLAD!\n");
+        glfwTerminate();
+        return false;
+    }
+
+    honey_setup_keyboard();
+    glfwSetKeyCallback(*window, default_honey_keyboard_callback);
+
+    // Enable blending
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  
+
+    /* set up lua and honey lua bindings */
+    *L = luaL_newstate();
+    luaL_openlibs(*L);
+    glfwSetWindowUserPointer(*window, *L);
+
+    lua_createtable(*L, 0, 1);
+
+    honey_setup_input(*L);
+    lua_setfield(*L, -2, "input");
+
+    lua_setglobal(*L, "honey");
+
+    return true;
 }
 
 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
 
 void honey_run(honey_window window) {
-  float prevTime = 0;
-  float currentTime = 0;
-  float dt;
-  float draw_dt = 0;
-
-  while(!glfwWindowShouldClose(window)) {
-    currentTime = (float) glfwGetTime();
-    dt = currentTime - prevTime;
-    prevTime = currentTime;
-
-    honey_update_callback(dt);
-    honey_draw_callback();
-  }
+    /*float prevTime = 0;
+    float currentTime = 0;
+    float dt;
+    float draw_dt = 0;
+
+    while(!glfwWindowShouldClose(window)) {
+        currentTime = (float) glfwGetTime();
+        dt = currentTime - prevTime;
+        prevTime = currentTime;
+
+        honey_update_callback(dt);
+        honey_draw_callback();
+        }*/
 }
 
 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
 
+int honey_get_callback(lua_State* L, char* callback)
+{
+    lua_getglobal(L, "honey");
+    lua_getfield(L, -1, callback);
 
+    int ref = LUA_NOREF;
+    
+    if (lua_isfunction(L, -1))
+        ref = luaL_ref(L, LUA_REGISTRYINDEX);
+    else
+        lua_pop(L, 1);
+    lua_pop(L, 1);
+
+    return ref;
+}