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steal shader hehe (i still need to see if this actually works)

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zoe 2022-05-09 16:17:40 +02:00
parent 8b29b54567
commit 797aab3443
1 changed files with 68 additions and 1 deletions
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69
godot/world/Tilemap.tscn
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@ -1,10 +1,77 @@
[gd_scene load_steps=3 format=2]
[gd_scene load_steps=5 format=2]
[ext_resource path="res://world/terrain/terrain.tres" type="TileSet" id=1]
[ext_resource path="res://world/Tilemap.gd" type="Script" id=2]
[sub_resource type="Shader" id=1]
code = "// My custom shader for implementing dithered alpha
shader_type spatial;
render_mode blend_mix,depth_draw_opaque,cull_disabled,diffuse_burley,specular_schlick_ggx;
// Texture maps
uniform sampler2D texture_albedo : hint_albedo;
uniform sampler2D texture_masks : hint_white;
uniform sampler2D texture_normal : hint_normal;
// Parameters
uniform vec4 albedo : hint_color;
uniform float specular = 0.5;
uniform float metallic = 0.0;
uniform float roughness : hint_range(0,1) = 0.5;
uniform float normal_strength : hint_range(0,2) = 1.0;
void fragment() {
vec4 albedo_tex = texture(texture_albedo, UV);
vec4 masks_tex = texture(texture_masks, UV);
float alpha = albedo_tex.a;
ALBEDO = albedo.rgb * albedo_tex.rgb;
METALLIC = metallic * masks_tex.r;
ROUGHNESS = roughness * masks_tex.g;
NORMALMAP = texture(texture_normal, UV).rgb;
NORMALMAP_DEPTH = normal_strength;
// Fancy dithered alpha stuff
float opacity = albedo_tex.a;
int x = int(FRAGCOORD.x) % 4;
int y = int(FRAGCOORD.y) % 4;
int index = x + y * 4;
float limit = 0.0;
if (x < 8) {
if (index == 0) limit = 0.0625;
if (index == 1) limit = 0.5625;
if (index == 2) limit = 0.1875;
if (index == 3) limit = 0.6875;
if (index == 4) limit = 0.8125;
if (index == 5) limit = 0.3125;
if (index == 6) limit = 0.9375;
if (index == 7) limit = 0.4375;
if (index == 8) limit = 0.25;
if (index == 9) limit = 0.75;
if (index == 10) limit = 0.125;
if (index == 11) limit = 0.625;
if (index == 12) limit = 1.0;
if (index == 13) limit = 0.5;
if (index == 14) limit = 0.875;
if (index == 15) limit = 0.375;
}
// Is this pixel below the opacity limit? Skip drawing it
if (opacity < limit)
discard;
}"
[sub_resource type="ShaderMaterial" id=2]
shader = SubResource( 1 )
shader_param/albedo = null
shader_param/specular = 0.5
shader_param/metallic = 0.0
shader_param/roughness = 0.5
shader_param/normal_strength = 1.0
[node name="Tilemap" type="TileMap"]
process_priority = 124
material = SubResource( 2 )
position = Vector2( -2, 0 )
mode = 1
tile_set = ExtResource( 1 )