45 lines
1.1 KiB
GLSL
45 lines
1.1 KiB
GLSL
#version 330 core
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in VS_OUT {
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vec3 Position; // world coordinates
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vec3 BlockPosition;
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vec3 Normal;
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vec2 Texture;
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flat int BlockID;
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flat int Data;
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flat int TextureID;
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flat int Special;
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} fs_in;
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layout (location = 0) out vec3 Position;
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layout (location = 1) out vec4 Normal;
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layout (location = 2) out vec3 Color;
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layout (location = 3) out vec4 Block;
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uniform sampler2D TerrainSampler;
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uniform vec3 MousePosition;
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uniform vec3 MousePosition2;
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void main()
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{
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int texture_id = fs_in.TextureID;
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int terrain_x = texture_id % 8;
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int terrain_y = texture_id / 8;
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ivec2 coord = ivec2(terrain_x, terrain_y) * 16;
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coord += ivec2(vec2(fs_in.Texture.x, 1.0 - fs_in.Texture.y) * 16.0);
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vec4 texture_color = texelFetch(TerrainSampler, coord, 0);
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if (texture_color.w != 1.0) {
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discard;
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return;
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}
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float two_sided = float(fs_in.Special == -1); // special
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Position = fs_in.BlockPosition.xzy;
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Normal = vec4(normalize(fs_in.Normal.xzy), two_sided);
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Color = texture_color.xyz;
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Block = vec4(fs_in.BlockID, fs_in.Data, fs_in.TextureID, fs_in.Special);
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}
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