#version 430 core
in vec2 vTex;
out vec4 fragColor;

uniform sampler2D uDiffuse;

void main() {
    vec4 sampled = texture(uDiffuse, vTex);
    // Alpha cutout for doors, windows, vegetation, and other alpha-keyed textures.
    // Without this, zero-alpha pixels in palette-indexed textures render as opaque
    // rectangles where the transparent parts should be.
    if (sampled.a < 0.5) discard;
    fragColor = sampled;
}