gbuffers_terrain.vsh

#version 120

varying vec4 color;
varying vec4 texcoord;
varying vec4 lmcoord;

attribute vec4 mc_Entity;

uniform int worldTime;

void main() {

    texcoord = gl_TextureMatrix[0] * gl_MultiTexCoord0;

    vec4 position = gl_Vertex;

    if (mc_Entity.x == 31.0 && texcoord.t < 0.15) {
        float magnitude = sin(worldTime * 3.14159265358979323846264 / 172.0) * 0.2;
        position.x += sin(worldTime * 3.14159265358979323846264 / 86.0) * magnitude;
        position.z += sin(worldTime * 3.14159265358979323846264 / 72.0) * magnitude;
    }
    if (mc_Entity.x == 59.0 && texcoord.t < 0.35) {
        float magnitude = sin(worldTime * 3.14159265358979323846264 / 172.0) * 0.2;
        position.x += sin(worldTime * 3.14159265358979323846264 / 82.0) * magnitude;
        position.z += sin(worldTime * 3.14159265358979323846264 / 78.0) * magnitude;
    }
    if (mc_Entity.x == 18.0 && texcoord.t < 0.20) {
        float magnitude = sin(worldTime * 3.14159265358979323846264 / 172.0) * 0.2;
        position.x += sin(worldTime * 3.14159265358979323846264 / 86.0) * magnitude;
        position.z += sin(worldTime * 3.14159265358979323846264 / 78.0) * magnitude;
    }


    gl_Position = gl_ProjectionMatrix * (gl_ModelViewMatrix * position);

    color = gl_Color;

    lmcoord = gl_TextureMatrix[1] * gl_MultiTexCoord1;

    gl_FogFragCoord = gl_Position.z;
}