Examples with Direction org.terasology.engine.math.Direction used on opensource projects

Example 1 with Direction

use of org.terasology.engine.math.Direction in project Terasology by MovingBlocks.

the class BlockMeshPart method calcLightingValuesForVertexPos.

private float[] calcLightingValuesForVertexPos(ChunkView chunkView, Vector3f vertexPos, Vector3f normal) {
    PerformanceMonitor.startActivity("calcLighting");
    float[] lights = new float[8];
    float[] blockLights = new float[8];
    Block[] blocks = new Block[4];
    PerformanceMonitor.startActivity("gatherLightInfo");
    Direction dir = Direction.inDirection(normal);
    switch(dir) {
        case LEFT:
        case RIGHT:
            blocks[0] = chunkView.getBlock((vertexPos.x + 0.8f * normal.x), (vertexPos.y + 0.1f), (vertexPos.z + 0.1f));
            blocks[1] = chunkView.getBlock((vertexPos.x + 0.8f * normal.x), (vertexPos.y + 0.1f), (vertexPos.z - 0.1f));
            blocks[2] = chunkView.getBlock((vertexPos.x + 0.8f * normal.x), (vertexPos.y - 0.1f), (vertexPos.z - 0.1f));
            blocks[3] = chunkView.getBlock((vertexPos.x + 0.8f * normal.x), (vertexPos.y - 0.1f), (vertexPos.z + 0.1f));
            break;
        case FORWARD:
        case BACKWARD:
            blocks[0] = chunkView.getBlock((vertexPos.x + 0.1f), (vertexPos.y + 0.1f), (vertexPos.z + 0.8f * normal.z));
            blocks[1] = chunkView.getBlock((vertexPos.x + 0.1f), (vertexPos.y - 0.1f), (vertexPos.z + 0.8f * normal.z));
            blocks[2] = chunkView.getBlock((vertexPos.x - 0.1f), (vertexPos.y - 0.1f), (vertexPos.z + 0.8f * normal.z));
            blocks[3] = chunkView.getBlock((vertexPos.x - 0.1f), (vertexPos.y + 0.1f), (vertexPos.z + 0.8f * normal.z));
            break;
        default:
            blocks[0] = chunkView.getBlock((vertexPos.x + 0.1f), (vertexPos.y + 0.8f * normal.y), (vertexPos.z + 0.1f));
            blocks[1] = chunkView.getBlock((vertexPos.x + 0.1f), (vertexPos.y + 0.8f * normal.y), (vertexPos.z - 0.1f));
            blocks[2] = chunkView.getBlock((vertexPos.x - 0.1f), (vertexPos.y + 0.8f * normal.y), (vertexPos.z - 0.1f));
            blocks[3] = chunkView.getBlock((vertexPos.x - 0.1f), (vertexPos.y + 0.8f * normal.y), (vertexPos.z + 0.1f));
    }
    lights[0] = chunkView.getSunlight((vertexPos.x + 0.1f), (vertexPos.y + 0.8f), (vertexPos.z + 0.1f));
    lights[1] = chunkView.getSunlight((vertexPos.x + 0.1f), (vertexPos.y + 0.8f), (vertexPos.z - 0.1f));
    lights[2] = chunkView.getSunlight((vertexPos.x - 0.1f), (vertexPos.y + 0.8f), (vertexPos.z - 0.1f));
    lights[3] = chunkView.getSunlight((vertexPos.x - 0.1f), (vertexPos.y + 0.8f), (vertexPos.z + 0.1f));
    lights[4] = chunkView.getSunlight((vertexPos.x + 0.1f), (vertexPos.y - 0.1f), (vertexPos.z + 0.1f));
    lights[5] = chunkView.getSunlight((vertexPos.x + 0.1f), (vertexPos.y - 0.1f), (vertexPos.z - 0.1f));
    lights[6] = chunkView.getSunlight((vertexPos.x - 0.1f), (vertexPos.y - 0.1f), (vertexPos.z - 0.1f));
    lights[7] = chunkView.getSunlight((vertexPos.x - 0.1f), (vertexPos.y - 0.1f), (vertexPos.z + 0.1f));
    blockLights[0] = chunkView.getLight((vertexPos.x + 0.1f), (vertexPos.y + 0.8f), (vertexPos.z + 0.1f));
    blockLights[1] = chunkView.getLight((vertexPos.x + 0.1f), (vertexPos.y + 0.8f), (vertexPos.z - 0.1f));
    blockLights[2] = chunkView.getLight((vertexPos.x - 0.1f), (vertexPos.y + 0.8f), (vertexPos.z - 0.1f));
    blockLights[3] = chunkView.getLight((vertexPos.x - 0.1f), (vertexPos.y + 0.8f), (vertexPos.z + 0.1f));
    blockLights[4] = chunkView.getLight((vertexPos.x + 0.1f), (vertexPos.y - 0.1f), (vertexPos.z + 0.1f));
    blockLights[5] = chunkView.getLight((vertexPos.x + 0.1f), (vertexPos.y - 0.1f), (vertexPos.z - 0.1f));
    blockLights[6] = chunkView.getLight((vertexPos.x - 0.1f), (vertexPos.y - 0.1f), (vertexPos.z - 0.1f));
    blockLights[7] = chunkView.getLight((vertexPos.x - 0.1f), (vertexPos.y - 0.1f), (vertexPos.z + 0.1f));
    PerformanceMonitor.endActivity();
    float resultLight = 0;
    float resultBlockLight = 0;
    int counterLight = 0;
    int counterBlockLight = 0;
    int occCounter = 0;
    int occCounterBillboard = 0;
    for (int i = 0; i < 8; i++) {
        if (lights[i] > 0) {
            resultLight += lights[i];
            counterLight++;
        }
        if (blockLights[i] > 0) {
            resultBlockLight += blockLights[i];
            counterBlockLight++;
        }
        if (i < 4) {
            Block b = blocks[i];
            if (b.isShadowCasting() && !b.isTranslucent()) {
                occCounter++;
            } else if (b.isShadowCasting()) {
                occCounterBillboard++;
            }
        }
    }
    double resultAmbientOcclusion = (TeraMath.pow(0.40, occCounter) + TeraMath.pow(0.80, occCounterBillboard)) / 2.0;
    float[] output = new float[3];
    if (counterLight == 0) {
        output[0] = 0;
    } else {
        output[0] = resultLight / counterLight / 15f;
    }
    if (counterBlockLight == 0) {
        output[1] = 0;
    } else {
        output[1] = resultBlockLight / counterBlockLight / 15f;
    }
    output[2] = (float) resultAmbientOcclusion;
    PerformanceMonitor.endActivity();
    return output;
}