/*
* Generate the planet, but do not draw the cubes at this point.
* We need generate first, so that we can see where quads need not be
* drawn, due to being next to a cube that is or will be drawn during
* the initial generation of the planet.
*/
public void BuildTheChunk()
{
for (int y = 0; y < planet.chunkSize; y++)
{
for (int z = 0; z < planet.chunkSize; z++)
{
for (int x = 0; x < planet.chunkSize; x++)
{
// generate cube - solid or space/air?
// Vector3 cubePosition = new Vector3(planetChunk.transform.position.x + x,
// planetChunk.transform.position.y + y,
// planetChunk.transform.position.z + z);
Vector3 cubePosition = new Vector3(x, y, z);
// Debug.Log(" CHUNK NAME : " + planetChunk.name);
chunkData[x, y, z] = new Cube(planetChunk.gameObject, this,
x, y, z,
CustomMaterials.RetrieveMaterial(CustomMaterials.rockQuad),
CustomMaterials.rockQuad, cubePosition, planetChunk.name);
chunkData[x, y, z].cube.transform.parent = planetChunk.transform; // make the quad a child of the cube
// create new cube
if (IsOuterLayer(cubePosition))
{
CubeIsSolid[x, y, z] = true;
}
else // set cube to SPACE
{
CubeIsSolid[x, y, z] = false;
}
}
}
}
}
/*
* This is used to give the chunks each a different material.
* TODO: Delete this when no longer requred - when everything works
*/
SpatialMaterial GetNextMaterial(int cubeCount)
{
switch (cubeCount)
{
case 0:
return(customMaterials.RetrieveMaterial(CustomMaterials.sandQuad));
case 1:
return(customMaterials.RetrieveMaterial(CustomMaterials.rockQuad));
case 2:
return(customMaterials.RetrieveMaterial(CustomMaterials.dirtQuad));
default:
return(customMaterials.RetrieveMaterial(CustomMaterials.grassQuad));
}
}
void GenerateRightQuad()
{
// Right quad
rightQuadVertices[0] = new Vector3(cubeLocation.x + 1, cubeLocation.y, cubeLocation.z);
rightQuadVertices[1] = new Vector3(cubeLocation.x + 1, cubeLocation.y + 1, cubeLocation.z);
rightQuadVertices[2] = new Vector3(cubeLocation.x + 1, cubeLocation.y, cubeLocation.z + 1);
rightQuadVertices[3] = new Vector3(cubeLocation.x + 1, cubeLocation.y + 1, cubeLocation.z + 1);
DisplayQuad(rightQuadVertices, "_Right_quad", CustomMaterials.RetrieveMaterial(CustomMaterials.dirtQuad));
}
void GenerateLeftQuad()
{
// Left quad
leftQuadVertices[0] = new Vector3(cubeLocation.x, cubeLocation.y, cubeLocation.z + 1);
leftQuadVertices[1] = new Vector3(cubeLocation.x, cubeLocation.y + 1, cubeLocation.z + 1);
leftQuadVertices[2] = new Vector3(cubeLocation.x, cubeLocation.y, cubeLocation.z);
leftQuadVertices[3] = new Vector3(cubeLocation.x, cubeLocation.y + 1, cubeLocation.z);
DisplayQuad(leftQuadVertices, "_Left_quad", CustomMaterials.RetrieveMaterial(CustomMaterials.dirtQuad));
}
void GenerateBackQuad()
{
// Back quad
backQuadVertices[0] = new Vector3(cubeLocation.x + 1, cubeLocation.y, cubeLocation.z + 1);
backQuadVertices[1] = new Vector3(cubeLocation.x + 1, cubeLocation.y + 1, cubeLocation.z + 1);
backQuadVertices[2] = new Vector3(cubeLocation.x, cubeLocation.y, cubeLocation.z + 1);
backQuadVertices[3] = new Vector3(cubeLocation.x, cubeLocation.y + 1, cubeLocation.z + 1);
DisplayQuad(backQuadVertices, "_Back_quad", CustomMaterials.RetrieveMaterial(CustomMaterials.sandQuad));
}
void GenerateBottomQuad()
{
// Bottom quad
bottomQuadVertices[0] = new Vector3(cubeLocation.x + 1, cubeLocation.y, cubeLocation.z);
bottomQuadVertices[1] = new Vector3(cubeLocation.x + 1, cubeLocation.y, cubeLocation.z + 1);
bottomQuadVertices[2] = new Vector3(cubeLocation.x, cubeLocation.y, cubeLocation.z);
bottomQuadVertices[3] = new Vector3(cubeLocation.x, cubeLocation.y, cubeLocation.z + 1);
DisplayQuad(bottomQuadVertices, "_Bottom_quad", CustomMaterials.RetrieveMaterial(CustomMaterials.dirtQuad));
}
void GenerateTopQuad()
{
// Top quad
topQuadVertices[0] = new Vector3(cubeLocation.x, cubeLocation.y + 1, cubeLocation.z);
topQuadVertices[1] = new Vector3(cubeLocation.x, cubeLocation.y + 1, cubeLocation.z + 1);
topQuadVertices[2] = new Vector3(cubeLocation.x + 1, cubeLocation.y + 1, cubeLocation.z);
topQuadVertices[3] = new Vector3(cubeLocation.x + 1, cubeLocation.y + 1, cubeLocation.z + 1);
DisplayQuad(topQuadVertices, "_Top_quad", CustomMaterials.RetrieveMaterial(CustomMaterials.grassQuad));
}
public void GenerateFrontQuad()
{
// Front quad
frontQuadVertices[0] = new Vector3(cubeLocation.x, cubeLocation.y, cubeLocation.z);
frontQuadVertices[1] = new Vector3(cubeLocation.x, cubeLocation.y + 1, cubeLocation.z);
frontQuadVertices[2] = new Vector3(cubeLocation.x + 1, cubeLocation.y, cubeLocation.z);
frontQuadVertices[3] = new Vector3(cubeLocation.x + 1, cubeLocation.y + 1, cubeLocation.z);
DisplayQuad(frontQuadVertices, "_Front_quad", CustomMaterials.RetrieveMaterial(CustomMaterials.sandQuad));
}
/*
* Pick a material to add to the quad
*/
public static Material SetMaterial(Vector3 vertex0, int maxTerrainHeight, out int terrainType)
{
if (vertex0.y > maxTerrainHeight * 0.70)
{
terrainType = CustomMaterials.rockQuad; // sent back to the quad object (out)
return(CustomMaterials.RetrieveMaterial(terrainType));
}
else if (vertex0.y > maxTerrainHeight * 0.50)
{
terrainType = CustomMaterials.dirtQuad;
return(CustomMaterials.RetrieveMaterial(terrainType));
}
terrainType = CustomMaterials.grassQuad;
return(CustomMaterials.RetrieveMaterial(terrainType));
}
/*
* This is run after the first time the world is built, when we need to
* initialise the cubes again - e.g. when digging
*/
public void ReBuildTheChunk()
{
for (int y = 0; y < planet.chunkSize; y++)
{
for (int z = 0; z < planet.chunkSize; z++)
{
for (int x = 0; x < planet.chunkSize; x++)
{
// Vector3 cubePosition = new Vector3(planetChunk.transform.position.x + x,
// planetChunk.transform.position.y + y,
// planetChunk.transform.position.z + z);
Vector3 cubePosition = new Vector3(x, y, z);
chunkData[x, y, z] = new Cube(planetChunk.gameObject, this,
x, y, z,
CustomMaterials.RetrieveMaterial(CustomMaterials.rockQuad),
CustomMaterials.rockQuad, cubePosition, planetChunk.name);
chunkData[x, y, z].cube.transform.parent = planetChunk.transform; // make the cube a child of the chunk
}
}
}
}
// Grass to Dirt
// Grass to rock
// Dirt to Rock
// Sand to Grass
// Sand to Dirt
// Sand to rock
/*
* Make the join between grass and dirt look more natural
*/
private static void BlendGrassToDirt(Quad[,] chunkData, int x, int z)
{
// check for dirt Top and Bottom
// Vetical Test IF Top (PosZ) and bottom (NegZ) quads are dirt
if (z < Universe.chunkSize - 1 && z > 0 &&
chunkData[x, z + 1].terrainType == CustomMaterials.dirtQuad &&
chunkData[x, z - 1].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.dirtQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.dirtQuad));
}
// check for dirt Top and Bottom
// horiz Test IF Left (NegX) and right (PosX) quads are dirt
else if (x < Universe.chunkSize - 1 && x > 0 &&
chunkData[x - 1, z].terrainType == CustomMaterials.dirtQuad &&
chunkData[x + 1, z].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.dirtQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.dirtQuad));
}
// diag gradient blend Test IF Left (NegX) and bottom (NegZ) quads are dirt
else if (z > 0 && x > 0 &&
chunkData[x - 1, z].terrainType == CustomMaterials.dirtQuad &&
chunkData[x, z - 1].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.diagBlendGrassToLargeDirtBottomLeftQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.diagBlendGrassToLargeDirtBottomLeftQuad));
}
// diag gradient blend Test IF Top (PosZ) and right (PosX) quads are dirt
else if (x < Universe.chunkSize - 1 && z < Universe.chunkSize - 1 &&
chunkData[x, z + 1].terrainType == CustomMaterials.dirtQuad &&
chunkData[x + 1, z].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.diagBlendGrassToLargeDirtTopRightQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.diagBlendGrassToLargeDirtTopRightQuad));
}
// diag gradient blend Test IF Top (PosZ) and left (NegX) quads are dirt
else if (x < Universe.chunkSize - 1 && z < Universe.chunkSize - 1 && x > 0 &&
chunkData[x, z + 1].terrainType == CustomMaterials.dirtQuad &&
chunkData[x + 1, z].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.diagBlendGrassToLargeDirtTopLeftQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.diagBlendGrassToLargeDirtTopLeftQuad));
}
// diag gradient blend Test IF Bottom (NegZ) and left (NegX) quads are dirt
else if (x > 0 && z > 0 &&
chunkData[x, z - 1].terrainType == CustomMaterials.dirtQuad &&
chunkData[x - 1, z].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.diagBlendGrassToLargeDirtBottomLeftQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.diagBlendGrassToLargeDirtBottomLeftQuad));
}
// diag gradient blend Test IF Bottom (NegZ) and left (PosX) quads are dirt
else if (x < Universe.chunkSize - 1 && x > 0 && z > 0 &&
chunkData[x, z - 1].terrainType == CustomMaterials.dirtQuad &&
chunkData[x + 1, z].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.diagBlendGrassToLargeDirtBottomRightQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.diagBlendGrassToLargeDirtBottomRightQuad));
}
// Vertical gradient blending
// IF positiveZ quad is dirt
else if (z < Universe.chunkSize - 1 &&
chunkData[x, z + 1].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.vertBlendGrassToDirtQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.vertBlendGrassToDirtQuad));
}
// IF negativeZ quad is dirt
else if (z > 0 && chunkData[x, z - 1].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.vertBlendDirtToGrassQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.vertBlendDirtToGrassQuad));
}
// horiz gradient blending
// IF positiveX quad is dirt
else if (x < Universe.chunkSize - 1 &&
chunkData[x + 1, z].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.horizBlendGrassToDirtQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.horizBlendGrassToDirtQuad));
}
// IF negativeX quad is dirt
else if (x > 0 && chunkData[x - 1, z].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.horizBlendDirtToGrassQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.horizBlendDirtToGrassQuad));
}
// diag gradient blend Test IF Top Right quad is dirt
else if (x < Universe.chunkSize - 1 && z < Universe.chunkSize - 1 &&
chunkData[x + 1, z + 1].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.diagBlendGrassToSmallDirtTopRightQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.diagBlendGrassToSmallDirtTopRightQuad));
}
// diag gradient blend Test IF Top Left quad is dirt
else if (z < Universe.chunkSize - 1 && x > 0 &&
chunkData[x - 1, z + 1].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.diagBlendGrassToSmallDirtTopLeftQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.diagBlendGrassToSmallDirtTopLeftQuad));
}
// diag gradient blend Test IF Bottom Right quad is dirt
else if (x < Universe.chunkSize - 1 && z > 0 &&
chunkData[x + 1, z - 1].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.diagBlendGrassToSmallDirtBottomRightQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.diagBlendGrassToSmallDirtBottomRightQuad));
}
// diag gradient blend Test IF Bottom Left quad is dirt
else if (z > 0 && x > 0 &&
chunkData[x - 1, z - 1].terrainType == CustomMaterials.dirtQuad)
{
chunkData[x, z].terrainType = CustomMaterials.diagBlendGrassToSmallDirtBottomLeftQuad;
chunkData[x, z].SetMaterial(CustomMaterials.RetrieveMaterial(CustomMaterials.diagBlendGrassToSmallDirtBottomLeftQuad));
}
}