examples: tetris: draw score
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796b9dab74
commit
efa540e883
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@ -1,14 +1,15 @@
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// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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// that can be found in the LICENSE file.
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import rand
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import time
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import gx
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import gx
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import gl
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import gg
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import glfw
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import math
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import freetype
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const (
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BlockSize = 20 // pixels
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@ -80,6 +81,8 @@ struct Block {
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struct Game {
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mut:
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// Score of the current game
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score int
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// Position of the current tetro
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pos_x int
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pos_y int
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@ -89,7 +92,7 @@ struct Game {
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// -1 0 0 -1
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// -1 0 0 -1
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// -1 -1 -1 -1
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field [][]int
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field [][]int
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// TODO: tetro Tetro
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tetro []Block
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// TODO: tetros_cache []Tetro
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@ -100,6 +103,10 @@ struct Game {
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rotation_idx int
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// gg context for drawing
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gg *gg.GG
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// ft context for font drawing
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ft *freetype.Context
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// gx text config for font drawing
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tcfg *gx.TextCfg
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}
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fn main() {
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@ -111,21 +118,38 @@ fn main() {
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use_ortho: true // This is needed for 2D drawing
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create_window: true
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window_title: 'V Tetris'
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window_user_ptr: game
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window_user_ptr: game
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})
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}
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ft: 0
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tcfg: 0
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}
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game.gg.window.set_user_ptr(game) // TODO remove this when `window_user_ptr:` works
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game.init_game()
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game.gg.window.onkeydown(key_down)
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go game.run() // Run the game loop in a new thread
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gg.clear(gx.White)
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gg.clear(gx.White)
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// Try to load font
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game.ft = freetype.new_context(gg.Cfg{
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width: WinWidth
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height: WinHeight
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use_ortho: true
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font_size: 18
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}, 1)
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if game.ft != 0 {
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// if font loaded, define default font color etc..
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game.tcfg = &gx.TextCfg{
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align:gx.ALIGN_LEFT
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size:12
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color:gx.rgb(0, 0, 170)
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}
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}
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for {
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gg.clear(gx.White)
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gg.clear(gx.White)
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game.draw_scene()
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game.gg.render()
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game.gg.render()
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if game.gg.window.should_close() {
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game.gg.window.destroy()
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return
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return
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}
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}
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}
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@ -148,6 +172,7 @@ fn (g mut Game) init_game() {
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first_row[j] = - 1
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last_row[j] = - 1
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}
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g.score = 0
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}
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fn (g mut Game) parse_tetros() {
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@ -176,7 +201,7 @@ fn (g mut Game) move_tetro() {
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x := block.x + g.pos_x
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// Reached the bottom of the screen or another block?
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// TODO: if g.field[y][x] != 0
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//if g.field[y][x] != 0 {
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//if g.field[y][x] != 0 {
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row := g.field[y]
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if row[x] != 0 {
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// The new tetro has no space to drop => end of the game
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@ -193,7 +218,7 @@ fn (g mut Game) move_tetro() {
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g.pos_y++
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}
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fn (g mut Game) move_right(dx int) bool {
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fn (g mut Game) move_right(dx int) bool {
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// Reached left/right edge or another tetro?
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for i := 0; i < TetroSize; i++ {
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tetro := g.tetro[i]
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@ -202,11 +227,11 @@ fn (g mut Game) move_right(dx int) bool {
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row := g.field[y]
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if row[x] != 0 {
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// Do not move
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return false
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return false
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}
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}
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g.pos_x += dx
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return true
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return true
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}
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fn (g mut Game) delete_completed_lines() {
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@ -222,6 +247,7 @@ fn (g mut Game) delete_completed_line(y int) {
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return
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}
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}
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g.score += 10
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// Move everything down by 1 position
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for yy := y - 1; yy >= 1; yy-- {
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for x := 1; x <= FieldWidth; x++ {
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@ -282,13 +308,20 @@ fn (g &Game) draw_field() {
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}
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}
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fn (g &Game) draw_score() {
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if g.tcfg != 0 {
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g.ft.draw_text(1, 2, 'score: ' + g.score.str(), g.tcfg)
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}
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}
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fn (g &Game) draw_scene() {
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g.draw_tetro()
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g.draw_field()
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g.draw_score()
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}
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fn parse_binary_tetro(t_ int) []Block {
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mut t := t_
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mut t := t_
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res := [Block{} ; 4]
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mut cnt := 0
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horizontal := t == 9// special case for the horizontal line
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@ -326,17 +359,17 @@ fn key_down(wnd voidptr, key, code, action, mods int) {
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glfw.set_should_close(wnd, true)
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case glfw.KeyUp:
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// Rotate the tetro
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old_rotation_idx := game.rotation_idx
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old_rotation_idx := game.rotation_idx
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game.rotation_idx++
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if game.rotation_idx == TetroSize {
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game.rotation_idx = 0
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}
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game.get_tetro()
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if !game.move_right(0) {
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game.rotation_idx = old_rotation_idx
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game.rotation_idx = old_rotation_idx
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game.get_tetro()
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}
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}
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if game.pos_x < 0 {
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game.pos_x = 1
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}
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@ -348,4 +381,3 @@ fn key_down(wnd voidptr, key, code, action, mods int) {
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game.move_tetro() // drop faster when the player presses <down>
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}
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}
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@ -160,7 +160,7 @@ pub fn new_context(cfg gg.Cfg, scale int) *Context {
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}
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if !os.file_exists(font_path) {
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println('failed to load RobotoMono-Regular.ttf')
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exit(1)
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return 0
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}
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# FT_Face face;
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# if (FT_New_Face(ft, font_path.str, 0, &face))
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