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#include "honey.h"
int main(int argc, char** argv)
{
honey_options opts;
if (!honey_parse_options(&opts, argc, argv)) {
return 0;
}
honey_window window;
lua_State* L;
if (!honey_setup(&L, &window))
return 1;
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;
}
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", script);
return 1;
}
int update_callback = honey_get_callback(L, "update");
int draw_callback = honey_get_callback(L, "draw");
float prevTime = 0;
float currentTime = 0;
float dt;
while (!glfwWindowShouldClose(window)) {
currentTime = (float) glfwGetTime();
dt = currentTime - prevTime;
prevTime = currentTime;
glfwPollEvents();
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 (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_close(L);
glfwTerminate();
return 0;
}
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