#version 330 core
#extension GL_ARB_explicit_uniform_location : enable
#extension GL_ARB_shading_language_420pack : enable
#ifdef GL_ARB_conservative_depth
#extension GL_ARB_conservative_depth : enable
#endif

layout(location = 2) uniform sampler2D texBase;
layout(location = 3) uniform sampler2DArray texAnim;
layout(location = 4) uniform uint animFrame;

in vec2 fragTC;

flat in uint fragUseAnimTex;

layout(location = 0) out vec4 color;
#ifdef GL_ARB_conservative_depth
layout(depth_unchanged) out float gl_FragDepth;
#endif

void main(void) {
  vec4 texel = bool(fragUseAnimTex)?texture(texAnim, vec3(fragTC, animFrame)):texture(texBase, fragTC);
	      
  if (texel.a < 0.5)
    discard;

  color = texel;
}