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tetris: restore text rendering with gg2.ft.draw_text

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This commit is contained in:
Delyan Angelov 2020-06-03 23:08:55 +03:00
parent e91642e615
commit 576e80b3a9
3 changed files with 84 additions and 55 deletions
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44
examples/tetris/tetris.v
View File

@ -4,10 +4,12 @@
module main
import os
import rand
import time
import gx
import gg2 as gg
import gg2.ft
import sokol.sapp
const (
@ -124,10 +126,9 @@ struct Game {
// Index of the rotation (0-3)
rotation_idx int
// gg context for drawing
gg &gg.GG
gg &gg.GG = voidptr(0)
// ft context for font drawing
//ft &freetype.FreeType
//ft &ft.FT
ft &ft.FT = voidptr(0)
font_loaded bool
// frame/time counters:
frame int
@ -136,6 +137,13 @@ struct Game {
second_sw time.StopWatch = time.new_stopwatch({})
}
const ( fpath = os.resource_abs_path('../assets/fonts/RobotoMono-Regular.ttf') )
fn init_gui(mut game Game){
x := ft.new({ font_path: fpath }) or {panic(err)}
game.ft = x
game.font_loaded = true
}
[if showfps]
fn (game &Game) showfps() {
game.frame++
@ -151,27 +159,18 @@ fn (game &Game) showfps() {
fn frame(game &Game) {
game.frame_sw.restart()
//C.sfons_flush(game.ft.fons)
game.ft.flush()
game.gg.begin()
game.draw_scene()
game.showfps()
game.gg.end()
}
fn main() {
// TODO
/*
f := ft.new(
//font_path: os.resource_abs_path('../assets/fonts/RobotoMono-Regular.ttf')
font_path: ('../assets/fonts/RobotoMono-Regular.ttf')
) or {
println('failed to loat the font')
return
}
*/
mut game := &Game{
gg: 0
//ft: f
ft: 0
}
game.gg = gg.new_context(
bg_color: gx.white
@ -180,9 +179,10 @@ fn main() {
use_ortho: true // This is needed for 2D drawing
create_window: true
window_title: 'V Tetris'
frame_fn: frame
//
user_data: game
//on_key_down: key_down
init_fn: init_gui
frame_fn: frame
event_cb: on_event
)
game.init_game()
@ -352,17 +352,17 @@ fn (g &Game) draw_field() {
fn (mut g Game) draw_ui() {
if g.font_loaded {
//g.ft.draw_text(1, 3, g.score.str(), text_cfg)
g.ft.draw_text(1, 3, g.score.str(), text_cfg)
if g.state == .gameover {
g.gg.draw_rect(0, win_height / 2 - text_size, win_width,
5 * text_size, ui_color)
//g.ft.draw_text(1, win_height / 2 + 0 * text_size, 'Game Over', over_cfg)
//g.ft.draw_text(1, win_height / 2 + 2 * text_size, 'Space to restart', over_cfg)
g.ft.draw_text(1, win_height / 2 + 0 * text_size, 'Game Over', over_cfg)
g.ft.draw_text(1, win_height / 2 + 2 * text_size, 'Space to restart', over_cfg)
} else if g.state == .paused {
g.gg.draw_rect(0, win_height / 2 - text_size, win_width,
5 * text_size, ui_color)
//g.ft.draw_text(1, win_height / 2 + 0 * text_size, 'Game Paused', text_cfg)
//g.ft.draw_text(1, win_height / 2 + 2 * text_size, 'SPACE to resume', text_cfg)
g.ft.draw_text(1, win_height / 2 + 0 * text_size, 'Game Paused', text_cfg)
g.ft.draw_text(1, win_height / 2 + 2 * text_size, 'SPACE to resume', text_cfg)
}
}
//g.gg.draw_rect(0, block_size, win_width, limit_thickness, ui_color)

29
vlib/gg2/ft/ft.v
View File

@ -34,9 +34,7 @@ pub fn new(c Config) ?&FT{
println('failed to load font "$c.font_path"')
return none
}
s := &C.sgl_desc_t{}
C.sgl_setup(s)
fons :=sfons.create(512, 512, 1)
fons := sfons.create(512, 512, 1)
return &FT{
fons : fons
font_normal: C.fonsAddFontMem(fons, 'sans', bytes.data, bytes.len, false)
@ -44,27 +42,26 @@ pub fn new(c Config) ?&FT{
}
pub fn (gg &FT) draw_text(x, y int, text string, cfg gx.TextCfg) {
/*
gg.fons.set_font(gg.font_normal)
gg.fons.set_size(f32(cfg.size))
pub fn (ft &FT) draw_text(x, y int, text string, cfg gx.TextCfg) {
ft.fons.set_font(ft.font_normal)
ft.fons.set_size(2*f32(cfg.size)) // TODO: is this 2* needed?
C.fonsSetAlign(ft.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_TOP)
color := C.sfons_rgba(cfg.color.r, cfg.color.g, cfg.color.b, 255)
C.fonsSetColor(ft.fons, color)
ascender := f32(0.0)
descender := f32(0.0)
lh := f32(0.0)
gg.fons.vert_metrics(&ascender, &descender, &lh)
color:= C.sfons_rgba(cfg.color.r, cfg.color.g, cfg.color.b, 255)
C.fonsSetColor(gg.fons, color)
C.fonsDrawText(gg.fons, x, y, text.str, 0)
*/
ft.fons.vert_metrics(&ascender, &descender, &lh)
C.fonsDrawText(ft.fons, x, y, text.str, 0) // TODO: check offsets/alignment
}
pub fn (ctx &FT) draw_text_def(x, y int, text string) {
pub fn (ft &FT) draw_text_def(x, y int, text string) {
cfg := gx.TextCfg {
color: gx.black
size: default_font_size
align: gx.align_left
}
ctx.draw_text(x, y, text, cfg)
ft.draw_text(x, y, text, cfg)
}
pub fn (mut gg FT) init_font() {
@ -73,4 +70,6 @@ pub fn (mut gg FT) init_font() {
//gg.font_normal=g_font_normal
}
pub fn (ft &FT) flush(){
sfons.flush(ft.fons)
}

66
vlib/gg2/gg.v
View File

@ -10,6 +10,9 @@ import sokol.sapp
import sokol.sgl
import sokol.gfx
type FNvoidptr1 fn(voidptr)
type FNvoidptr2 fn(voidptr,voidptr)
pub struct Config {
pub:
width int
@ -24,10 +27,12 @@ pub:
window_title string
always_on_top bool
scale int
frame_fn fn(voidptr)
bg_color gx.Color
on_key_down fn(voidptr)
event_cb fn(voidptr, voidptr)
init_fn FNvoidptr1 = voidptr(0)
frame_fn FNvoidptr1 = voidptr(0)
on_key_down FNvoidptr1 = voidptr(0)
event_cb FNvoidptr2 = voidptr(0)
wait_events bool = false // set this to true for UIs, to save power
}
pub struct GG {
@ -37,10 +42,11 @@ pub mut:
height int
clear_pass C.sg_pass_action
window C.sapp_desc
render_fn fn()
config Config
}
fn init_sokol_window(user_data voidptr) {
fn gg_init_sokol_window(user_data voidptr) {
mut g := &GG(user_data)
desc := C.sg_desc{
mtl_device: sapp.metal_get_device()
mtl_renderpass_descriptor_cb: sapp.metal_get_renderpass_descriptor
@ -53,19 +59,47 @@ fn init_sokol_window(user_data voidptr) {
gfx.setup(&desc)
sgl_desc := C.sgl_desc_t{}
sgl.setup(&sgl_desc)
if g.config.init_fn != voidptr(0) {
g.config.init_fn( g.config.user_data )
}
}
fn gg_frame_fn(user_data voidptr) {
mut g := &GG(user_data)
if g.config.frame_fn != voidptr(0) {
g.config.frame_fn( g.config.user_data )
}
}
fn gg_event_cb(e &C.sapp_event, b voidptr){
mut g := &GG(b)
if g.config.event_cb != voidptr(0) {
g.config.event_cb(e, g.config.user_data)
}
}
//
fn eventcb(e &C.sapp_event, b voidptr){
println("EVENT")
}
pub fn new_context(cfg Config) &GG {
mut g := &GG{
width: cfg.width
height: cfg.height
clear_pass: gfx.create_clear_pass( f32(cfg.bg_color.r) / 255.0, f32(cfg.bg_color.g) / 255.0,
f32(cfg.bg_color.b) / 255.0, 1.0)
scale: 1 // scale
config: cfg
}
//C.printf('new_context() %p\n', cfg.user_data)
window := C.sapp_desc{
user_data: cfg.user_data
init_userdata_cb: init_sokol_window
frame_userdata_cb: cfg.frame_fn
event_userdata_cb: cfg.event_cb //eventcb
user_data: g
init_userdata_cb: gg_init_sokol_window
frame_userdata_cb: gg_frame_fn
event_userdata_cb: gg_event_cb //eventcb
window_title: cfg.window_title.str
html5_canvas_name: cfg.window_title.str
width: cfg.width
@ -74,14 +108,8 @@ pub fn new_context(cfg Config) &GG {
}
if cfg.use_ortho {}
else {}
return &GG{
width: cfg.width
height: cfg.height
window: window
clear_pass: gfx.create_clear_pass( f32(cfg.bg_color.r) / 255.0, f32(cfg.bg_color.g) / 255.0,
f32(cfg.bg_color.b) / 255.0, 1.0)
scale: 1 // scale
}
g.window = window
return g
}
pub fn (gg &GG) run() {
@ -148,7 +176,9 @@ pub fn (gg &GG) end() {
sgl.draw()
gfx.end_pass()
gfx.commit()
wait_events()
if gg.config.wait_events {
wait_events()
}
}
pub fn (ctx &GG) draw_line(x, y, x2, y2 f32, color gx.Color) {}