diff options
Diffstat (limited to 'src/honey.c')
| -rw-r--r-- | src/honey.c | 173 |
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; +} |