luboslenco
73 lines
2.2 KiB
Haxe
73 lines
2.2 KiB
Haxe
package arm.node;
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import zui.Nodes;
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import iron.data.SceneFormat;
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import arm.shader.MaterialParser;
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import arm.shader.NodeShader;
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import arm.shader.NodeShaderData;
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import arm.shader.NodeShaderContext;
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class MakeNodePreview {
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@:access(arm.shader.MaterialParser)
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public static function run(data: NodeShaderData, matcon: TMaterialContext): NodeShaderContext {
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var context_id = "mesh";
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var con_mesh: NodeShaderContext = data.add_context({
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name: context_id,
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depth_write: true,
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compare_mode: "less",
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cull_mode: "clockwise",
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vertex_elements: [{name: "pos", data: "float3"}],
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color_attachments: ["RGBA32"]
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});
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var vert = con_mesh.make_vert();
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var frag = con_mesh.make_frag();
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frag.ins = vert.outs;
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vert.write_attrib('gl_Position = vec4(pos.xy, 0.0, 1.0);');
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vert.add_out('vec2 texCoord');
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vert.write_attrib('const vec2 madd = vec2(0.5, 0.5);');
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vert.write_attrib('texCoord = pos.xy * madd + madd;');
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#if (!kha_opengl)
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vert.write_attrib('texCoord.y = 1.0 - texCoord.y;');
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#end
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vert.write_attrib('vec3 nor = vec3(0.0, 0.0, 1.0);');
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var canvas_nodes = Context.material.canvas.nodes;
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var canvas_links = Context.material.canvas.links;
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var nodes = Context.material.nodes;
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var link: TNodeLink = { id: nodes.getLinkId(canvas_links), from_id: nodes.nodesSelected[0].id, from_socket: 0, to_id: 0, to_socket: 0 };
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canvas_links.push(link);
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MaterialParser.init();
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MaterialParser.nodes = canvas_nodes;
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MaterialParser.links = canvas_links;
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MaterialParser.con = con_mesh;
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MaterialParser.vert = vert;
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MaterialParser.frag = frag;
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MaterialParser.curshader = frag;
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MaterialParser.matcon = matcon;
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var res = MaterialParser.write_result(link);
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var st = nodes.nodesSelected[0].outputs[link.from_socket].type;
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if (st != "RGB" && st != "RGBA" && st != "VECTOR") {
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res = MaterialParser.to_vec3(res);
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}
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canvas_links.remove(link);
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frag.add_out('vec4 fragColor');
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frag.write('vec3 basecol = $res;');
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frag.write('fragColor = vec4(basecol.rgb, 1.0);');
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MaterialParser.finalize(con_mesh);
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con_mesh.data.shader_from_source = true;
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con_mesh.data.vertex_shader = vert.get();
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con_mesh.data.fragment_shader = frag.get();
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return con_mesh;
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}
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}
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