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/**
* @author : tradam (tradam@skyx4c-artix)
* @file : text
* @created : Wednesday Feb 09, 2022 07:30:48 EST
*/
#include "mruby-raylib/text.h"
#include "mruby-raylib/types.h"
#include <raylib.h>
/*
* Draw the string as text on the screen.
* @overload draw(x: 0, y: 0, origin: Rl::Vector2.default, rotation: 0, font_size: 20, spacing: font_size/10, font: Rl::Font.default)
* @param x [Integer] x position
* @param y [Integer] y position
* @param origin [Vector2] Offset
* @param rotation [Float] How much to rotate the text in radians
* @param font_size [Integer]
* @param spacing [Float] Spacing between letters
* @param font [Font] What font to render the text with
* @return [Nil]
*/
static mrb_value
mrb_String_draw_text(mrb_state* mrb, mrb_value self) {
int x = 0;
int y = 0;
float rotation = 0;
float font_size = 20.0;
float spacing = 10.0;
Font default_font = GetFontDefault();
uint32_t kw_num = 8;
const mrb_sym kw_names[] = {
mrb_intern_lit(mrb, "font"),
mrb_intern_lit(mrb, "x"),
mrb_intern_lit(mrb, "y"),
mrb_intern_lit(mrb, "origin"),
mrb_intern_lit(mrb, "rotation"),
mrb_intern_lit(mrb, "font_size"),
mrb_intern_lit(mrb, "spacing"),
mrb_intern_lit(mrb, "color"),
};
mrb_value kw_values[kw_num];
const mrb_kwargs kwargs = { kw_num, 0, kw_names, kw_values, NULL };
mrb_get_args(mrb, "|:", &kwargs);
// x
if (!mrb_undef_p(kw_values[1])) {
x = mrb_as_int(mrb, kw_values[1]);
}
// y
if (!mrb_undef_p(kw_values[2])) {
y = mrb_as_int(mrb, kw_values[2]);
}
// origin
if (mrb_undef_p(kw_values[3])) {
struct RClass *raylib = mrb_module_get(mrb, "Raylib");
struct RClass *vector2 = mrb_class_get_under(mrb, raylib, Vector2_type.struct_name);
kw_values[3] = mrb_funcall(mrb, mrb_obj_value(vector2), "default", 0);
}
// rotation
if (!mrb_undef_p(kw_values[4])) {
rotation = mrb_as_float(mrb, kw_values[4]) / 0.017453;
}
// font_size
if (!mrb_undef_p(kw_values[5])) {
font_size = mrb_as_float(mrb, kw_values[5]);
}
// spacing
if (!mrb_undef_p(kw_values[6])) {
spacing = mrb_as_float(mrb, kw_values[6]);
} else {
spacing = font_size/10.0;
}
// color
if (mrb_undef_p(kw_values[7])) {
struct RClass *raylib = mrb_module_get(mrb, "Raylib");
struct RClass *color = mrb_class_get_under(mrb, raylib, Color_type.struct_name);
kw_values[7] = mrb_funcall(mrb, mrb_obj_value(color), "blue", 0);
}
Color *tint_data;
UNWRAPSTRUCT(Color, Color_type, kw_values[7], tint_data);
Vector2 *vector2_data;
UNWRAPSTRUCT(Vector2, Vector2_type, kw_values[3], vector2_data);
Vector2 position = { x, y };
DrawTextPro(default_font, mrb_str_to_cstr(mrb, self), position, *vector2_data, rotation, font_size, spacing, *tint_data);
return mrb_nil_value();
}
/*
* Draw the fps with a color depending on how high the fps is(30+ is green, 15-30 is orange, <15 is red).
* @return [Nil]
*/
static mrb_value
mrb_Raylib_draw_fps(mrb_state* mrb, mrb_value self) {
int x = 10;
int y = 10;
uint32_t kw_num = 2;
const mrb_sym kw_names[] = {
mrb_intern_lit(mrb, "x"),
mrb_intern_lit(mrb, "y"),
};
mrb_value kw_values[kw_num];
const mrb_kwargs kwargs = { kw_num, 0, kw_names, kw_values, NULL };
mrb_get_args(mrb, "|:", &kwargs);
// x
if (!mrb_undef_p(kw_values[0])) {
x = mrb_as_int(mrb, kw_values[0]);
}
// y
if (!mrb_undef_p(kw_values[1])) {
y = mrb_as_int(mrb, kw_values[1]);
}
DrawFPS(x, y);
mrb_nil_value();
}
void
mrb_init_raylib_text(mrb_state* mrb) {
struct RClass *raylib = mrb_define_module(mrb, "Raylib");
struct RClass *string_extension = mrb_define_module_under(mrb, raylib, "StringExtension");
struct RClass *font_class = mrb_define_class_under(mrb, raylib, "Font", mrb->object_class);
mrb_define_method(mrb, string_extension, "draw", mrb_String_draw_text, MRB_ARGS_OPT(1));
mrb_define_module_function(mrb, raylib, "draw_fps", mrb_Raylib_draw_fps, MRB_ARGS_NONE());
}
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