diff options
Diffstat (limited to 'src/main.c')
| -rw-r--r-- | src/main.c | 186 |
1 files changed, 37 insertions, 149 deletions
@@ -1,144 +1,42 @@ #include "honey.h" -struct options { - bool verbose; - bool run; - bool has_update; - bool has_draw; - char* scriptdir; -}; - -bool has_function(lua_State* L, char* field) -{ - lua_getglobal(L, "honey"); - lua_getfield(L, -1, field); - if (lua_isfunction(L, -1)) - return true; - return false; -} - -bool parse_options(struct options* opt, int argc, char** argv) -{ - opt->verbose = false; - opt->run = false; - - opterr = 0; - int c; - - while ((c = getopt(argc, argv, "vh")) != -1) { - switch (c) { - case 'v': - opt->verbose = true; - break; - - case 'h': - // print help - break; - - case '?': - if (isprint (optopt)) - fprintf (stderr, "Unknown option `-%c'.\n", optopt); - else - fprintf (stderr, - "Unknown option character `\\x%x'.\n", - optopt); - return false; - - default: - return false; - } - } - - if (optind < argc) { - opt->run = true; - opt->scriptdir = argv[optind]; - } - - return true; -} - -GLFWwindow* setup_window(int width, int height, char* title) -{ - glfwInit(); - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); - glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); - - GLFWwindow* window = glfwCreateWindow(width, height, 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); - - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - - return window; -} - -// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - int main(int argc, char** argv) { - struct options opt; - if (!parse_options(&opt, argc, argv)) { - fprintf(stderr, "ERROR: failed to parse command line options!\n"); - return 1; - } - - if (!opt.run) + honey_options opts; + if (!honey_parse_options(&opts, argc, argv)) { return 0; + } - printf("%d\n", LUA_NOREF); - - GLFWwindow* window = setup_window(480, 320, "honey-engine"); - - lua_State* L = luaL_newstate(); - glfwSetWindowUserPointer(window, L); - luaL_openlibs(L); + honey_window window; + lua_State* L; - lua_createtable(L, 0, 1); - - honey_setup_input(L); - lua_setfield(L, -2, "input"); + if (!honey_setup(&L, &window)) + return 1; - lua_setglobal(L, "honey"); - - size_t dirlen = strlen(opt.scriptdir) + 10; - char* scriptfile = malloc(sizeof(char) * dirlen); - if (scriptfile == NULL) { - fprintf(stderr, "ERROR: failed to allocate memory for script file string!\n"); + char* script; + honey_result res = honey_format_string(&script, + "%s/main.lua", + opts.script_directory); + if (res != HONEY_OK) { + fprintf(stderr, "[honey] FATAL: could not allocate space for script filename!"); return 1; } - - snprintf(scriptfile, dirlen, "%s/main.lua", opt.scriptdir); - if (luaL_loadfile(L, scriptfile) == 0) { - if (lua_pcall(L, 0, 1, 0) == 0) { - lua_pop(L, lua_gettop(L)); + if (luaL_loadfile(L, script) == 0) { + if (!lua_pcall(L, 0, 1, 0) == 0) { + const char* error = lua_tostring(L, -1); + fprintf(stderr, "[honey] ERROR: %s\n", error); + return 1; } } else { - fprintf(stderr, "ERROR: failed to open %s!\n", scriptfile); + fprintf(stderr, "ERROR: failed to open %s!\n", script); return 1; } - opt.has_update = has_function(L, "update"); - opt.has_draw = has_function(L, "draw"); - + int update_callback = honey_get_callback(L, "update"); + int draw_callback = honey_get_callback(L, "draw"); + float prevTime = 0; float currentTime = 0; float dt; @@ -149,36 +47,26 @@ int main(int argc, char** argv) prevTime = currentTime; glfwPollEvents(); - lua_getglobal(L, "honey"); - - if (opt.has_update) { - lua_getfield(L, -1, "update"); - if (lua_isfunction(L, -1)) { - lua_pushnumber(L, dt); - int result = lua_pcall(L, 1, 0, 0); - if (result != 0) { - glfwSetWindowShouldClose(window, true); - } - } - else { - lua_pop(L, 1); + if (update_callback != LUA_NOREF) { + lua_rawgeti(L, LUA_REGISTRYINDEX, update_callback); + lua_pushnumber(L, dt); + int result = lua_pcall(L, 1, 0, 0); + if (result != 0) { + const char* error = lua_tostring(L, -1); + fprintf(stderr, "[honey] ERROR: %s\n", error); + glfwSetWindowShouldClose(window, true); } } - if (opt.has_draw) { - lua_getfield(L, -1, "draw"); - if (lua_isfunction(L, -1)) { - int result = lua_pcall(L, 0, 0, 0); - if (result != 0) { - glfwSetWindowShouldClose(window, true); - } - } - else { - lua_pop(L, 1); + if (draw_callback != LUA_NOREF) { + lua_rawgeti(L, LUA_REGISTRYINDEX, draw_callback); + int result = lua_pcall(L, 0, 0, 0); + if (result != 0) { + const char* error = lua_tostring(L, -1); + fprintf(stderr, "[honey] ERROR: %s\n", error); + glfwSetWindowShouldClose(window, true); } } - - lua_pop(L, 1); } lua_close(L); |