Deltarune (Chapter 5) script viewer

← back to main script listing

gml_GlobalScript_scr_draw_sprite_pos_fixed

(view raw script w/o annotations or w/e)
1 
vertex_format_begin();
2 
vertex_format_add_colour();
3 
vertex_format_add_position();
4 
vertex_format_add_normal();
5 
global.format_perspective = vertex_format_end();
6
7 
function draw_sprite_pos_fixed(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10)
8 
{
9 
    draw_sprite_pos_fixed_col(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, 16777215, arg10);
10 
}
11
12 
function draw_surface_pos_fixed(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10)
13 
{
14 
    draw_surface_pos_fixed_col(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, 16777215, arg10);
15 
}
16
17 
function draw_sprite_pos_fixed_col(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11)
18 
{
19 
    var texture = sprite_get_texture(arg0, arg1);
20 
    var uvs = sprite_get_uvs(arg0, arg1);
21 
    var ax = arg4 - arg8;
22 
    var ay = arg5 - arg9;
23 
    var bx = arg2 - arg6;
24 
    var by = arg3 - arg7;
25 
    var can = (ax * by) - (ay * bx);
26 
    if (can != 0)
27 
    {
28 
        var cx = arg8 - arg6;
29 
        var cy = arg9 - arg7;
30 
        var s = ((ax * cy) - (ay * cx)) / can;
31 
        if (s > 0 && s < 1)
32 
        {
33 
            var t = ((bx * cy) - (by * cx)) / can;
34 
            if (t > 0 && t < 1)
35 
            {
36 
                var q4 = 1 / (1 - t);
37 
                var q3 = 1 / (1 - s);
38 
                var q2 = 1 / t;
39 
                var q1 = 1 / s;
40 
                var v_buffer = vertex_create_buffer();
41 
                vertex_begin(v_buffer, global.format_perspective);
42 
                vertex_colour(v_buffer, arg10, arg11);
43 
                vertex_position(v_buffer, arg2, arg3);
44 
                vertex_normal(v_buffer, q1 * uvs[0], q1 * uvs[1], q1);
45 
                vertex_colour(v_buffer, arg10, arg11);
46 
                vertex_position(v_buffer, arg4, arg5);
47 
                vertex_normal(v_buffer, q2 * uvs[2], q2 * uvs[1], q2);
48 
                vertex_colour(v_buffer, arg10, arg11);
49 
                vertex_position(v_buffer, arg8, arg9);
50 
                vertex_normal(v_buffer, q4 * uvs[0], q4 * uvs[3], q4);
51 
                vertex_colour(v_buffer, arg10, arg11);
52 
                vertex_position(v_buffer, arg6, arg7);
53 
                vertex_normal(v_buffer, q3 * uvs[2], q3 * uvs[3], q3);
54 
                vertex_end(v_buffer);
55 
                shader_replace_simple_set_hook(15);
56 
                vertex_submit(v_buffer, pr_trianglestrip, texture);
57 
                shader_replace_simple_reset_hook();
58 
                vertex_delete_buffer(v_buffer);
59 
            }
60 
        }
61 
    }
62 
}
63
64 
function draw_surface_pos_fixed_col(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11)
65 
{
66 
    var texture = surface_get_texture(arg0);
67 
    var ax = arg4 - arg8;
68 
    var ay = arg5 - arg9;
69 
    var bx = arg2 - arg6;
70 
    var by = arg3 - arg7;
71 
    var can = (ax * by) - (ay * bx);
72 
    if (can != 0)
73 
    {
74 
        var cx = arg8 - arg6;
75 
        var cy = arg9 - arg7;
76 
        var s = ((ax * cy) - (ay * cx)) / can;
77 
        if (s > 0 && s < 1)
78 
        {
79 
            var t = ((bx * cy) - (by * cx)) / can;
80 
            if (t > 0 && t < 1)
81 
            {
82 
                var q4 = 1 / (1 - t);
83 
                var q3 = 1 / (1 - s);
84 
                var q2 = 1 / t;
85 
                var q1 = 1 / s;
86 
                var v_buffer = vertex_create_buffer();
87 
                vertex_begin(v_buffer, global.format_perspective);
88 
                vertex_colour(v_buffer, arg10, arg11);
89 
                vertex_position(v_buffer, arg2, arg3);
90 
                vertex_normal(v_buffer, q1 * 0, q1 * 0, q1);
91 
                vertex_colour(v_buffer, arg10, arg11);
92 
                vertex_position(v_buffer, arg4, arg5);
93 
                vertex_normal(v_buffer, q2 * 1, q2 * 0, q2);
94 
                vertex_colour(v_buffer, arg10, arg11);
95 
                vertex_position(v_buffer, arg8, arg9);
96 
                vertex_normal(v_buffer, q4 * 0, q4 * 1, q4);
97 
                vertex_colour(v_buffer, arg10, arg11);
98 
                vertex_position(v_buffer, arg6, arg7);
99 
                vertex_normal(v_buffer, q3 * 1, q3 * 1, q3);
100 
                vertex_end(v_buffer);
101 
                shader_replace_simple_set_hook(15);
102 
                vertex_submit(v_buffer, pr_trianglestrip, texture);
103 
                shader_replace_simple_reset_hook();
104 
                vertex_delete_buffer(v_buffer);
105 
            }
106 
        }
107 
    }
108 
}