Lubos Lenco
83 lines
2.7 KiB
Haxe
83 lines
2.7 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, node: TNode, group: TNodeCanvas, parents: Array<TNode>): 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: "short4norm"}, {name: "nor", data: "short2norm"}, {name: "tex", data: "short2norm"}, {name: "col", data: "short4norm"}],
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color_attachments: ["RGBA32"]
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});
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con_mesh.allow_vcols = true;
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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 * 3.0, 0.0, 1.0);'); // Pos unpack
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vert.write_attrib('const vec2 madd = vec2(0.5, 0.5);');
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vert.add_out('vec2 texCoord');
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vert.write_attrib('texCoord = gl_Position.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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MaterialParser.init();
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MaterialParser.canvases = [Context.material.canvas];
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MaterialParser.nodes = Context.material.canvas.nodes;
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MaterialParser.links = Context.material.canvas.links;
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if (group != null) {
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MaterialParser.push_group(group);
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MaterialParser.parents = parents;
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}
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var links = MaterialParser.links;
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var nodes = Context.material.nodes;
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var link: TNodeLink = { id: nodes.getLinkId(links), from_id: node.id, from_socket: Context.nodePreviewSocket, to_id: -1, to_socket: -1 };
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links.push(link);
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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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MaterialParser.transform_color_space = false;
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var res = MaterialParser.write_result(link);
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MaterialParser.transform_color_space = true;
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var st = node.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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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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// frag.ndcpos = true;
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// vert.add_out('vec4 ndc');
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// vert.write_attrib('ndc = vec4(gl_Position.xyz * vec3(0.5, 0.5, 0.0) + vec3(0.5, 0.5, 0.0), 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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