#version 330 core

in vec2 v_texcoord;
in vec3 v_fragpos;
in vec3 v_normal;

uniform sampler2D u_tex;
uniform sampler2D u_tex1;
uniform sampler2D u_tex2;

uniform vec2 u_xz_mult;

layout (location = 0) out vec4 o_color;
layout (location = 1) out vec4 o_normal;

void main() {
    vec2 txc = vec2(v_texcoord.x, 1.0 - v_texcoord.y);

    vec2 tc1 = v_fragpos.xz * u_xz_mult.x;
    vec2 tc2 = v_fragpos.xz * u_xz_mult.y;

    vec4 color_mask = texture(u_tex, txc);
    vec4 color_xz1 = texture(u_tex1, tc1);
    vec4 color_xz2 = texture(u_tex2, tc2);


    // vec4 object_color_4 = mix(color_xz1, color_xz2, color_mask.a);
    // if (object_color_4.a < 0.5) discard;

    vec3 object_color = mix(color_xz1.rgb, color_xz2.rgb * color_mask.rgb, color_mask.a);
    o_color = vec4(object_color, 1.0);
    o_normal = vec4(v_normal, 1.0);


}