/**
* @brief Creates a window with an embedded list of choices.
*
* @usage num, chosen = tk.list( "Title", "Foo or bar?", "Foo", "Bar" ) -- If "Bar" is clicked, it would return 2, "Bar"
*
* @luaparam title Title of the window.
* @luaparam msg Message to display.
* @luaparam choices Option choices.
* @luareturn Returns the number of the choice and the name of the choice chosen.
* @luafunc list( title, msg, ... )
*/
static int tk_list( lua_State *L )
{
int ret, opts, i;
const char *title, *str;
char **choices;
NLUA_MIN_ARGS(3);
/* Handle parameters. */
opts = lua_gettop(L) - 2;
title = luaL_checkstring(L,1);
str = luaL_checkstring(L,2);
/* Do an initial scan for invalid arguments. */
for (i=0; i<opts; i++)
luaL_checkstring(L, i+3);
/* Will be freed by the toolkit. */
choices = malloc( sizeof(char*) * opts );
for (i=0; i<opts; i++)
choices[i] = strdup( luaL_checkstring(L, i+3) );
ret = dialogue_listRaw( title, choices, opts, str );
/* Cancel returns -1, do nothing. */
if (ret == -1)
return 0;
/* Push index and choice string. */
lua_pushnumber(L, ret+1);
lua_pushstring(L, choices[ret]);
return 2;
}
/**
* @brief Creates a window with an ok button.
*
* @usage tk.msg( "Title", "This is a message." )
*
* @luaparam title Title of the window.
* @luaparam message Message to display in the window.
* @luafunc msg( title, message )
*/
static int tk_msg( lua_State *L )
{
const char *title, *str;
NLUA_MIN_ARGS(2);
title = luaL_checkstring(L,1);
str = luaL_checkstring(L,2);
dialogue_msgRaw( title, str );
return 0;
}
/**
* @brief Gets the standing of the player with a certain faction.
*
* @luaparam faction Faction to get the standing of.
* @luareturn The faction standing.
* @luafunc getFaction( faction )
*/
static int playerL_getFaction( lua_State *L )
{
NLUA_MIN_ARGS(1);
int f;
if (lua_isstring(L,1)) f = faction_get( lua_tostring(L,1) );
else NLUA_INVALID_PARAMETER();
lua_pushnumber(L, faction_getPlayer(f));
return 1;
}
/**
* @brief Displays a window with Yes and No buttons.
*
* @usage if tk.yesno( "YesNo popup box", "Click yes to do something." ) then -- Clicked yes
*
* @luaparam title Title of the window.
* @luaparam message Message to display in the window.
* @luareturn true if yes was clicked, false if no was clicked.
* @luafunc yesno( title, message )
*/
static int tk_yesno( lua_State *L )
{
int ret;
const char *title, *str;
NLUA_MIN_ARGS(2);
title = luaL_checkstring(L,1);
str = luaL_checkstring(L,2);
ret = dialogue_YesNoRaw( title, str );
lua_pushboolean(L,ret);
return 1;
}
/**
* @brief Increases the player's standing to a faction by a fixed amount without
* touching other faction standings.
*
* @luaparam faction Name of the faction.
* @luaparam mod Amount to modify standing by.
* @luafunc modFactionRaw( faction, mod )
*/
static int playerL_modFactionRaw( lua_State *L )
{
NLUA_MIN_ARGS(2);
int f;
double mod;
if (lua_isstring(L,1)) f = faction_get( lua_tostring(L,1) );
else NLUA_INVALID_PARAMETER();
mod = luaL_checknumber(L,2);
faction_modPlayerRaw( f, mod );
return 0;
}
/**
* @ingroup META_VECTOR
*
* @brief Sets the vector by cartesian coordinates.
*
* @usage my_vec:set(5, 3) -- my_vec is now (5,3)
*
* @luaparam v Vector to set coordinates of.
* @luaparam x X coordinate to set.
* @luaparam y Y coordinate to set.
* @luafunc set( v, x, y )
*/
static int vectorL_set( lua_State *L )
{
NLUA_MIN_ARGS(3);
LuaVector *v1;
double x, y;
/* Get parameters. */
v1 = luaL_checkvector(L,1);
x = luaL_checknumber(L,2);
y = luaL_checknumber(L,3);
vect_cset( &v1->vec, x, y );
return 0;
}
/**
* @brief Creates a window with an ok button, text and an image.
*
* @usage tk.msg( "Title", "This is a message.", "character.png" )
*
* @luaparam title Title of the window.
* @luaparam message Message to display in the window.
* @luaparam image Image file (*.png) to display in the window.
* @luaparam width (opt) width of the image to display; defaults to 256.
* @luaparam height (opt) height of the image to display; defaults to 256.
* @luafunc msg( title, message, image )
*/
static int tk_msgImg( lua_State *L )
{
const char *title, *str, *img;
int width, height;
NLUA_MIN_ARGS(3);
// Get fixed arguments : title, string to display and image filename
title = luaL_checkstring(L,1);
str = luaL_checkstring(L,2);
img = luaL_checkstring(L,3);
// Get optional arguments : width and height
width = 256;
height = 256;
dialogue_msgImgRaw( title, str, img, width, height );
return 0;
}
/**
* @brief Creates a window that allows player to write text input.
*
* @usage name = tk.input( "Name", 3, 20, "Enter your name:" )
*
* @luaparam title Title of the window.
* @luaparam min Minimum characters to accept (must be greater than 0).
* @luaparam max Maximum characters to accept.
* @luaparam str Text to display in the window.
* @luareturn nil if input was canceled or a string with the text written.
* @luafunc input( title, min, max, str )
*/
static int tk_input( lua_State *L )
{
const char *title, *str;
char *ret;
int min, max;
NLUA_MIN_ARGS(4);
title = luaL_checkstring(L,1);
min = luaL_checkint(L,2);
max = luaL_checkint(L,3);
str = luaL_checkstring(L,4);
ret = dialogue_inputRaw( title, min, max, str );
if (ret != NULL) {
lua_pushstring(L, ret);
free(ret);
}
else
lua_pushnil(L);
return 1;
}
/**
* @brief Creates a window with a number of selectable options
*
* @usage num, chosen = tk.choice( "Title", "Ready to go?", "Yes", "No" ) -- If "No" was clicked it would return 2, "No"
*
* @luaparam title Title of the window.
* @luaparam msg Message to display.
* @luaparam choices Option choices.
* @luareturn Returns the number of the choice and the name of the choice chosen.
* @luafunc choice( title, msg, ... )
*/
static int tk_choice( lua_State *L )
{
int ret, opts, i;
const char *title, *str;
char *result;
NLUA_MIN_ARGS(3);
/* Handle parameters. */
opts = lua_gettop(L) - 2;
title = luaL_checkstring(L,1);
str = luaL_checkstring(L,2);
/* Do an initial scan for invalid arguments. */
for (i=0; i<opts; i++)
luaL_checkstring(L, i+3);
/* Create dialogue. */
dialogue_makeChoice( title, str, opts );
for (i=0; i<opts; i++)
dialogue_addChoice( title, str, luaL_checkstring(L,i+3) );
result = dialogue_runChoice();
if (result == NULL) /* Something went wrong, return nil. */
return 0;
/* Handle results. */
ret = -1;
for (i=0; i<opts && ret==-1; i++) {
if (strcmp(result, luaL_checkstring(L,i+3)) == 0)
ret = i+1; /* Lua uses 1 as first index. */
}
/* Push parameters. */
lua_pushnumber(L,ret);
lua_pushstring(L,result);
/* Clean up. */
free(result);
return 2;
}
/**
* @brief Adds a fleet to the system.
*
* You can then iterate over the pilots to change parameters like so:
* @code
* p = pilot.add( "Sml Trader Convoy" )
* for k,v in pairs(p) do
* v:setHostile()
* end
* @endcode
*
* @usage p = pilot.add( "Pirate Hyena" ) -- Just adds the pilot (will jump in).
* @usage p = pilot.add( "Trader Llama", "dummy" ) -- Overrides AI with dummy ai.
* @usage p = pilot.add( "Sml Trader Convoy", "def", vec2.new( 1000, 200 ) ) -- Pilot won't jump in, will just appear.
* @usage p = pilot.add( "Empire Pacifier", "def", vec2.new( 1000, 1000 ), true ) -- Have the pilot jump in.
*
* @luaparam fleetname Name of the fleet to add.
* @luaparam ai If set will override the standard fleet AI. "def" means use default.
* @luaparam pos Position to create pilots around instead of choosing randomly.
* @luaparam jump true if pilots should jump in, false by default if pos is defined.
* @luareturn Table populated with all the pilots created. The keys are ordered numbers.
* @luafunc add( fleetname, ai, pos, jump )
*/
static int pilot_addFleet( lua_State *L )
{
NLUA_MIN_ARGS(1);
Fleet *flt;
const char *fltname, *fltai;
int i, j;
unsigned int p;
double a;
double d;
Vector2d vv,vp, vn;
FleetPilot *plt;
LuaPilot lp;
LuaVector *lv;
int jump;
/* Parse first argument - Fleet Name */
fltname = luaL_checkstring(L,1);
/* Parse second argument - Fleet AI Override */
if (lua_gettop(L) > 1) {
fltai = luaL_checkstring(L,2);
if (strcmp(fltai, "def")==0) /* Check if set to default */
fltai = NULL;
}
else fltai = NULL;
/* Parse third argument - Position */
if (lua_gettop(L) > 2) {
lv = luaL_checkvector(L,3);
}
else lv = NULL;
if (lua_gettop(L) > 3) {
jump = lua_toboolean(L,4);
}
else {
/* Only jump by default if not position was passed. */
if (lv==NULL)
jump = 1;
else
jump = 0;
}
/* Needed to determine angle. */
vectnull(&vn);
/* pull the fleet */
flt = fleet_get( fltname );
if (flt == NULL) {
NLUA_ERROR(L,"Fleet '%s' doesn't exist.", fltname);
return 0;
}
/* Use position passed if possible. */
if (lv != NULL) {
if (!jump)
vectcpy( &vp, &lv->vec );
else {
/* Pilot is jumping in, we'll only use the vector angle. */
d = RNGF()*(HYPERSPACE_ENTER_MAX-HYPERSPACE_ENTER_MIN) + HYPERSPACE_ENTER_MIN;
vect_pset( &vp, d, VANGLE(lv->vec) );
}
}
else {
d = RNGF()*(HYPERSPACE_ENTER_MAX-HYPERSPACE_ENTER_MIN) + HYPERSPACE_ENTER_MIN;
vect_pset( &vp, d, RNGF() * 2.*M_PI);
}
/* now we start adding pilots and toss ids into the table we return */
j = 0;
lua_newtable(L);
for (i=0; i<flt->npilots; i++) {
plt = &flt->pilots[i];
if (RNG(0,100) <= plt->chance) {
/* fleet displacement */
vect_cadd(&vp, RNG(75,150) * (RNG(0,1) ? 1 : -1),
RNG(75,150) * (RNG(0,1) ? 1 : -1));
/* Set velocity only if no position is set.. */
if (lv != NULL) {
if (jump) {
a = vect_angle(&vp,&vn);
vect_pset( &vv, HYPERSPACE_VEL, a );
}
else {
a = RNGF() * 2.*M_PI;
vectnull( &vv );
}
}
else { /* Entering via hyperspace. */
a = vect_angle(&vp,&vn);
vect_pset( &vv, HYPERSPACE_VEL, a );
}
/* Make sure angle is sane. */
if (a < 0.)
a += 2.*M_PI;
/* Create the pilot. */
p = fleet_createPilot( flt, plt, a, &vp, &vv, fltai, 0 );
/* we push each pilot created into a table and return it */
lua_pushnumber(L,++j); /* index, starts with 1 */
lp.pilot = p;
lua_pushpilot(L,lp); /* value = LuaPilot */
lua_rawset(L,-3); /* store the value in the table */
}
}
return 1;
}
