Examples with BoneWeightFieldType com.gempukku.libgdx.graph.plugin.boneanimation.property.BoneWeightFieldType used on opensource projects

Example 1 with BoneWeightFieldType

use of com.gempukku.libgdx.graph.plugin.boneanimation.property.BoneWeightFieldType in project gdx-graph by MarcinSc.

the class SkinningShaderNodeBuilder method buildVertexNodeSingleInputs.

@Override
protected ObjectMap<String, ? extends FieldOutput> buildVertexNodeSingleInputs(boolean designTime, String nodeId, JsonValue data, ObjectMap<String, FieldOutput> inputs, ObjectSet<String> producedOutputs, VertexShaderBuilder vertexShaderBuilder, GraphShaderContext graphShaderContext, GraphShader graphShader) {
    FieldOutput boneWeights = inputs.get("boneWeights");
    BoneWeightFieldType boneWeightFieldType = (BoneWeightFieldType) boneWeights.getFieldType();
    FieldOutput boneTransformations = inputs.get("boneTransformations");
    BoneTransformFieldType boneTransformFieldType = (BoneTransformFieldType) boneTransformations.getFieldType();
    String boneTransformVariableName = boneTransformations.getRepresentation();
    String boneWeightVariableName = boneWeights.getRepresentation() + "_";
    int boneWeightCount = boneWeightFieldType.getArrayLength();
    String functionName = "getSkinning_" + nodeId;
    String skinningMatrixName = "skinning_" + nodeId;
    if (!vertexShaderBuilder.containsFunction(functionName)) {
        StringBuilder getSkinning = new StringBuilder();
        getSkinning.append("mat4 " + functionName + "() {\n");
        getSkinning.append("  mat4 skinning = mat4(0.0);\n");
        for (int i = 0; i < boneWeightCount; i++) {
            getSkinning.append("  skinning += (").append(boneWeightVariableName).append(i).append(".y) * " + boneTransformVariableName + "[int(").append(boneWeightVariableName).append(i).append(".x)];\n");
        }
        getSkinning.append("  return skinning;\n");
        getSkinning.append("}\n");
        vertexShaderBuilder.addFunction(functionName, getSkinning.toString());
        vertexShaderBuilder.addMainLine("mat4 " + skinningMatrixName + " = " + functionName + "();");
    }
    ObjectMap<String, FieldOutput> result = new ObjectMap<>();
    if (producedOutputs.contains("skinnedPosition")) {
        String positionVarying = "v_skinning_position_" + nodeId;
        if (!vertexShaderBuilder.hasVaryingVariable(positionVarying)) {
            FieldOutput position = inputs.get("position");
            String positionField = (position != null) ? position.getRepresentation() : "vec3(0.0, 0.0, 0.0)";
            String variableName = "skinningPosition_" + nodeId;
            vertexShaderBuilder.addMainLine("vec3 " + variableName + " = (" + skinningMatrixName + " * vec4(" + positionField + ", 1.0)).xyz;");
            vertexShaderBuilder.addVaryingVariable(positionVarying, "vec3");
            vertexShaderBuilder.addMainLine(positionVarying + " = " + variableName + ";");
            result.put("skinnedPosition", new DefaultFieldOutput(ShaderFieldType.Vector3, variableName));
        }
    }
    if (producedOutputs.contains("skinnedNormal")) {
        String normalVarying = "v_skinning_normal_" + nodeId;
        if (!vertexShaderBuilder.hasVaryingVariable(normalVarying)) {
            FieldOutput normal = inputs.get("normal");
            String normalField = (normal != null) ? normal.getRepresentation() : "vec3(0.0, 1.0, 0.0)";
            String variableName = "skinningNormal_" + nodeId;
            vertexShaderBuilder.addMainLine("vec3 " + variableName + " = normalize((" + skinningMatrixName + " * vec4(" + normalField + ", 0.0)).xyz);");
            vertexShaderBuilder.addVaryingVariable(normalVarying, "vec3");
            vertexShaderBuilder.addMainLine(normalVarying + " = " + variableName + ";");
            result.put("skinnedNormal", new DefaultFieldOutput(ShaderFieldType.Vector3, variableName));
        }
    }
    return result;
}