52 lines
1.2 KiB
GLSL
52 lines
1.2 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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} fs_in;
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layout (location = 0) out vec3 Position;
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layout (location = 1) out vec3 Normal;
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layout (location = 2) out vec3 Color;
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layout (location = 3) out vec3 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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if (fs_in.BlockID == 2) // grass
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texture_id = 0;
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if (fs_in.BlockID == 50 && fs_in.Data == 0) // ?
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texture_id = 61;
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if (fs_in.BlockID == 18)
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texture_id = 11;
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if (fs_in.BlockID == 21)
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texture_id = 17;
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if (fs_in.BlockID == 22)
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texture_id = 16;
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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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Position = fs_in.BlockPosition.xzy;
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Normal = normalize(fs_in.Normal.xzy);
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Color = texture_color.xyz;
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Block = vec3(fs_in.BlockID, fs_in.Data, fs_in.TextureID);
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}
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