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load_sprites monkey-patch assets to put assets in it

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Gwenhael Le Moine 2011-07-16 12:44:17 +02:00
parent 6ae7f9fbbd
commit 613b34eda7
1 changed files with 79 additions and 80 deletions
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159
star.js/js/star.js
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@ -4,7 +4,6 @@ function initialize_a_star( dom_container, level_index ) {
var direction = { UP: 38, DOWN: 40, LEFT: 37, RIGHT: 39 }; var direction = { UP: 38, DOWN: 40, LEFT: 37, RIGHT: 39 };
var assets = { var assets = {
sprites: load_sprites( "HP48" ),
levels: [ "#################@## x#H## x #### ##x ## ## x #### x x x ## x x## x ## ##x x#################", levels: [ "#################@## x#H## x #### ##x ## ## x #### x x x ## x x## x ## ##x x#################",
" # # # # # ### x @# #x #x x # # x x # # # x # # #H# x # # # # #xx## # # # # ", " # # # # # ### x @# #x #x x # # x x # # # x # # #H# x # # # # #xx## # # # # ",
"################# x#@## ## ##H## #x x ## x x## x## #x x x# x### ##x #x x x####x ##x #################", "################# x#@## ## ##H## #x x ## x x## x## #x x x# x### ##x #x x x####x ##x #################",
@ -33,26 +32,6 @@ function initialize_a_star( dom_container, level_index ) {
}; };
////// FUNCTIONS ////// ////// FUNCTIONS //////
function load_sprites( theme ) {
var sprites = { };
sprites.ball = new Image();
sprites.ball.src = "themes/" + theme + "/tex_ball.png";
sprites.ball_selected = new Image();
sprites.ball_selected.src = "themes/" + theme + "/tex_ball_selected.png";
sprites.cube = new Image();
sprites.cube.src = "themes/" + theme + "/tex_cube.png";
sprites.cube_selected = new Image();
sprites.cube_selected.src = "themes/" + theme + "/tex_cube_selected.png";
sprites.wall = new Image();
sprites.wall.src = "themes/" + theme + "/tex_wall.png";
sprites.empty = new Image();
sprites.empty.src = "themes/" + theme + "/tex_empty.png";
sprites.gift = new Image();
sprites.gift.src = "themes/" + theme + "/tex_gift.png";
return sprites;
}
function count_gifts( ) { function count_gifts( ) {
var n = 0; var n = 0;
for ( var i = level_infos.height * level_infos.width ; i-- ; ) { for ( var i = level_infos.height * level_infos.width ; i-- ; ) {
@ -81,73 +60,14 @@ function initialize_a_star( dom_container, level_index ) {
state.board = [ state.board.substring( 0, p ), value, state.board.substring( p+1, state.board.length ) ].join( '' ); state.board = [ state.board.substring( 0, p ), value, state.board.substring( p+1, state.board.length ) ].join( '' );
} }
function draw_cell( sprite, x, y ) {
DOM_infos.canvas.context.drawImage( sprite,
x * level_infos.cell.width,
y * level_infos.cell.height,
level_infos.cell.width,
level_infos.cell.height );
}
function switch_actor( ) { function switch_actor( ) {
state.moving = ( state.moving == cell.BALL ) ? cell.CUBE : cell.BALL; state.moving = ( state.moving == cell.BALL ) ? cell.CUBE : cell.BALL;
} }
function display_switch_actor( ) {
var ball_pos = get_pos( cell.BALL );
var cube_pos = get_pos( cell.CUBE );
// redraw ball
draw_cell( ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.ball, ball_pos[ 0 ], ball_pos[ 1 ] );
// redraw cube
draw_cell( ( state.moving == cell.CUBE ) ? assets.sprites.cube_selected : assets.sprites.cube, cube_pos[ 0 ], cube_pos[ 1 ] );
}
function won_or_not( ) { function won_or_not( ) {
return count_gifts( ) === 0; return count_gifts( ) === 0;
} }
function full_display_on_canvas( ) {
for ( var i=0 ; i < level_infos.height ; i++ ) {
for ( var j=0 ; j < level_infos.width ; j++ ) {
var c = get_cell( j, i );
var sprite;
switch( c ) {
case "@": sprite = ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.ball; break;
case "H": sprite = ( state.moving == cell.CUBE ) ? assets.sprites.cube_selected : assets.sprites.cube; break;
case "#": sprite = assets.sprites.wall; break;
case "x": sprite = assets.sprites.gift; break;
case " ": sprite = assets.sprites.empty; break;
default: break;
}
draw_cell( sprite, j, i );
}
}
}
function update_infos( ) {
var infos = "<h1>Star5</h1><br />";
infos += "Level <em>" + (state.level+1) + "</em> of <em>" + assets.levels.length + "</em><br />";
infos += "<em>" + count_gifts( ) + "</em> gifts left<br />";
infos += "<em>" + state.distance_travelled + "</em> meters travelled";
jQuery( DOM_infos.container + " .gstar #infos" ).html( infos );
}
function format_help( ) {
var help = "<em>←↑→↓</em> to move around<br />";
help += "<em>Space</em> to switch actor<br />";
help += "<em>r</em> to reload<br />";
help += "<em>n</em> to pass to the next level<br />";
help += "<em>p</em> to go back to the previous level<br />";
return help;
}
function display_level( ) {
update_infos( );
full_display_on_canvas( DOM_infos.container + " #starboard" );
}
function load_level( index ) { function load_level( index ) {
return( { moving: cell.BALL, return( { moving: cell.BALL,
distance_travelled: 0, distance_travelled: 0,
@ -206,6 +126,84 @@ function initialize_a_star( dom_container, level_index ) {
return path; return path;
} }
////// HTML/Canvas version specific functions
function load_sprites( theme ) {
assets.sprites = { };
assets.sprites.ball = new Image();
assets.sprites.ball.src = "themes/" + theme + "/tex_ball.png";
assets.sprites.ball_selected = new Image();
assets.sprites.ball_selected.src = "themes/" + theme + "/tex_ball_selected.png";
assets.sprites.cube = new Image();
assets.sprites.cube.src = "themes/" + theme + "/tex_cube.png";
assets.sprites.cube_selected = new Image();
assets.sprites.cube_selected.src = "themes/" + theme + "/tex_cube_selected.png";
assets.sprites.wall = new Image();
assets.sprites.wall.src = "themes/" + theme + "/tex_wall.png";
assets.sprites.empty = new Image();
assets.sprites.empty.src = "themes/" + theme + "/tex_empty.png";
assets.sprites.gift = new Image();
assets.sprites.gift.src = "themes/" + theme + "/tex_gift.png";
}
function draw_cell( sprite, x, y ) {
DOM_infos.canvas.context.drawImage( sprite,
x * level_infos.cell.width,
y * level_infos.cell.height,
level_infos.cell.width,
level_infos.cell.height );
}
function display_switch_actor( ) {
var ball_pos = get_pos( cell.BALL );
var cube_pos = get_pos( cell.CUBE );
// redraw ball
draw_cell( ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.ball, ball_pos[ 0 ], ball_pos[ 1 ] );
// redraw cube
draw_cell( ( state.moving == cell.CUBE ) ? assets.sprites.cube_selected : assets.sprites.cube, cube_pos[ 0 ], cube_pos[ 1 ] );
}
function full_display_on_canvas( ) {
for ( var i=0 ; i < level_infos.height ; i++ ) {
for ( var j=0 ; j < level_infos.width ; j++ ) {
var c = get_cell( j, i );
var sprite;
switch( c ) {
case "@": sprite = ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.ball; break;
case "H": sprite = ( state.moving == cell.CUBE ) ? assets.sprites.cube_selected : assets.sprites.cube; break;
case "#": sprite = assets.sprites.wall; break;
case "x": sprite = assets.sprites.gift; break;
case " ": sprite = assets.sprites.empty; break;
default: break;
}
draw_cell( sprite, j, i );
}
}
}
function update_infos( ) {
var infos = "<h1>Star5</h1><br />";
infos += "Level <em>" + (state.level+1) + "</em> of <em>" + assets.levels.length + "</em><br />";
infos += "<em>" + count_gifts( ) + "</em> gifts left<br />";
infos += "<em>" + state.distance_travelled + "</em> meters travelled";
jQuery( DOM_infos.container + " .gstar #infos" ).html( infos );
}
function format_help( ) {
var help = "<em>←↑→↓</em> to move around<br />";
help += "<em>Space</em> to switch actor<br />";
help += "<em>r</em> to reload<br />";
help += "<em>n</em> to pass to the next level<br />";
help += "<em>p</em> to go back to the previous level<br />";
return help;
}
function display_level( ) {
update_infos( );
full_display_on_canvas( DOM_infos.container + " #starboard" );
}
function display_move_actor( path ) { function display_move_actor( path ) {
for ( var i=0 ; i < path.length-1 ; i++ ) { for ( var i=0 ; i < path.length-1 ; i++ ) {
draw_cell( assets.sprites.empty, path[ i ][ 0 ], path[ i ][ 1 ] ); draw_cell( assets.sprites.empty, path[ i ][ 0 ], path[ i ][ 1 ] );
@ -307,6 +305,7 @@ function initialize_a_star( dom_container, level_index ) {
jQuery( dom_container ).html( starhtml ); jQuery( dom_container ).html( starhtml );
// Now we can collect some informations about this DOM branch we have // Now we can collect some informations about this DOM branch we have
load_sprites( "HP48" );
var DOM_infos = { var DOM_infos = {
container: dom_container, container: dom_container,
canvas: { canvas: {