public void drawSphere(int scaleX, int scaleY, int scaleZ, int posX, int posY, int posZ) {
Vector3f axe = new Vector3f(0, 0, 0);
axe.x = posX;
axe.y = posY;
axe.z = posZ;
Sphere.drawSphere(false, 0, scaleX, scaleY, scaleZ, axe);
}
/**
* Calculates an intersection with the face of a block defined by 3 points.
*
* @param blockPos The position of the block to intersect with
* @param v0 Point 1
* @param v1 Point 2
* @param v2 Point 3
* @param origin Origin of the intersection ray
* @param ray Direction of the intersection ray
* @return Ray-face-intersection
*/
private static RayBoxIntersection rayFaceIntersection(
Vector3f blockPos, Vector3f v0, Vector3f v1, Vector3f v2, Vector3f origin, Vector3f ray) {
// Calculate the plane to intersect with
Vector3f a = Vector3f.sub(v1, v0, null);
Vector3f b = Vector3f.sub(v2, v0, null);
Vector3f norm = Vector3f.cross(a, b, null);
float d = -(norm.x * v0.x + norm.y * v0.y + norm.z * v0.z);
/** Calculate the distance on the ray, where the intersection occurs. */
float t =
-(norm.x * origin.x + norm.y * origin.y + norm.z * origin.z + d)
/ (Vector3f.dot(ray, norm));
if (t < 0) {
return null;
}
/** Calc. the point of intersection. */
Vector3f intersectPoint = VectorPool.getVector(ray.x * t, ray.y * t, ray.z * t);
Vector3f.add(intersectPoint, origin, intersectPoint);
if (intersectPoint.x >= v0.x
&& intersectPoint.x <= v2.x
&& intersectPoint.y >= v0.y
&& intersectPoint.y <= v2.y
&& intersectPoint.z >= v0.z
&& intersectPoint.z <= v2.z) {
return new RayBoxIntersection(blockPos, v0, v1, v2, d, t, origin, ray, intersectPoint);
}
return null;
}
/**
* Transforms position of a block, so that it get's rendered at correct point. If you wish to draw
* a block at a point, pass it to this method once you have called pushTransformMatrix() and draw
* it at the result instead
*
* @param vec bottom-left corner of the place where you want to draw
* @param result result is stored here: coordinates that you should use so the rotation matrix
* moves it to correct place. Use null to create new vector.
* @return result
*/
public Vector3f transform(Vector3f vec, Vector3f result) {
if (result == null) result = new Vector3f();
result.set(vec.x + .5f, vec.y + .5f, vec.z + .5f);
MathUtils.multiplyPos(invertedRotation, result);
result.set(result.x - .5f, result.y - .5f, result.z - .5f);
return result;
}
public void fillSphere(
int texture, int scaleX, int scaleY, int scaleZ, int posX, int posY, int posZ) {
Vector3f axe = new Vector3f(0, 0, 0);
axe.x = posX;
axe.y = posY;
axe.z = posZ;
Sphere.drawSphere(true, texture, scaleX, scaleY, scaleZ, axe);
}
private void calculateCameraPosition(float horizDistance, float verticDistance) {
float theta = player.getRotY() + angleAroundPlayer;
float offsetX = (float) (horizDistance * Math.sin(Math.toRadians(theta)));
float offsetZ = (float) (horizDistance * Math.cos(Math.toRadians(theta)));
position.x = player.getPosition().x - offsetX;
position.z = player.getPosition().z - offsetZ;
position.y = player.getPosition().y + verticDistance;
}
public EntityRotator() {
// System.out.println("Initializer called");
rotForward.normalise();
rotUp.normalise();
Vector3f.cross(rotForward, rotUp, rotRight);
rotRight.normalise();
// L.d(rotRight + "");
}
public Vector3f getRGB(int x, int y) {
Vector3f c = new Vector3f();
int i = x + y * getWidth();
c.x = (pixels[i] & 0xff0000) >> 16;
c.y = (pixels[i] & 0xff00) >> 8;
c.z = (pixels[i] & 0xff);
return c;
}
public AbstractEntity(Model m) {
super(m.getBounds());
this.m = m;
Vector3f myMin = b.getMin();
this.origin = new Vector3f(-myMin.getX(), -myMin.getY(), -myMin.getZ());
this.angle = 0;
}
private void emitParticle(Vector3f center) {
float dirX = (float) Math.random() * 2f - 1f;
float dirZ = (float) Math.random() * 2f - 1f;
Vector3f velocity = new Vector3f(dirX, 1, dirZ);
velocity.normalise();
velocity.scale(speed);
new Particle(new Vector3f(center), velocity, gravityComplient, lifeLength, 0, 1);
}
private Vector3f calculateNormal(int x, int z, BufferedImage image) {
float heightL = getHeight(x - 1, z, image);
float heightR = getHeight(x + 1, z, image);
float heightD = getHeight(x, z - 1, image);
float heightU = getHeight(x, z + 1, image);
Vector3f normal = new Vector3f(heightL - heightR, 2f, heightD - heightU);
normal.normalise();
return normal;
}
private static Vector3f calculateSpherePoint(float x, float y) {
Vector3f result = new Vector3f(x, y, 0);
float sqrZ = 1 - Vector3f.dot(result, result);
if (sqrZ > 0) result.z = (float) Math.sqrt(sqrZ);
else result.normalise();
return result;
}
public void lookThrough() {
position.setX(position.getX() + velocity.getX());
position.setY(position.getY() + velocity.getY());
position.setZ(position.getZ() + velocity.getZ());
GL11.glRotatef(pitch, 1.0f, 0.0f, 0.0f);
GL11.glRotatef(yaw, 0.0f, 1.0f, 0.0f);
GL11.glTranslatef(position.x, position.y, position.z);
}
private void launchSecondPellet() {
DoublePellet second_pellet = new DoublePellet();
second_pellet.pos.set(this.pos);
second_pellet.vel.set(this.vel);
second_pellet.vel.scale(.5f);
Vector3f move_forward = this.vel;
move_forward.normalise();
move_forward.scale(this.radius * 2 * 2);
Vector3f.add(second_pellet.pos, move_forward, second_pellet.pos);
second_pellet.is_first_pellet = false;
Main.new_pellets_to_add_to_world.add(second_pellet);
}
private void setupLightViewMatrix() {
viewMatrix = new Matrix4f();
Matrix4f.rotate((float) (Math.PI / 2), new Vector3f(1, 0, 0), viewMatrix, viewMatrix);
Matrix4f.translate(
new Vector3f(
lightSourcePosition.getX(), -lightSourcePosition.getY(), lightSourcePosition.getZ()),
viewMatrix,
viewMatrix);
}
private void setupViewMatrix(boolean reverseY) {
viewMatrix = new Matrix4f();
Matrix4f.rotate(
(reverseY ? -1 : 1) * cameraAngle.getY(), new Vector3f(1, 0, 0), viewMatrix, viewMatrix);
Matrix4f.rotate(cameraAngle.getX(), new Vector3f(0, 1, 0), viewMatrix, viewMatrix);
Matrix4f.translate(
reverseY ? new Vector3f(cameraPos.getX(), -cameraPos.getY(), cameraPos.getZ()) : cameraPos,
viewMatrix,
viewMatrix);
}
private void billboardRotation(Camera camera) {
Matrix4f matrix =
Maths.createTransformationMatrix(
new Vector3f(
camera.getPosition().x,
camera.getPosition().y + DayNightCycle.getSunY(),
camera.getPosition().z + DayNightCycle.getSunZ()),
0,
0,
0,
DayNightCycle.getSunScale());
Vector3f objToCamProj, objToCam;
float angleCosine;
objToCamProj = new Vector3f(0, 0, DayNightCycle.getSunZ());
/*lookAt = new Vector3f(0,0,1);
try{
objToCamProj.normalise();
lookAt.normalise();
angleCosine = Vector3f.dot(lookAt, objToCamProj);
if((angleCosine < 1f) && (angleCosine > -1f)){
if(objToCamProj.x > 0)
matrix.rotate((float)(Math.acos(angleCosine)), new Vector3f(0,1,0));
else
matrix.rotate((float)(Math.acos(angleCosine)), new Vector3f(0,-1,0));
}
}catch(Exception e){
}*/
objToCam = new Vector3f(0, -DayNightCycle.getSunY(), -DayNightCycle.getSunZ());
try {
objToCamProj.normalise();
objToCam.normalise();
angleCosine = Vector3f.dot(objToCamProj, objToCam);
if ((angleCosine < 1) && (angleCosine > -1)) {
if (objToCam.y < 0) matrix.rotate((float) (Math.acos(angleCosine)), new Vector3f(1, 0, 0));
else matrix.rotate((float) (Math.acos(angleCosine)), new Vector3f(-1, 0, 0));
}
} catch (Exception e) {
}
shader.loadTransformationMatrix(matrix);
}
private void renderModels() {
Shader.getCurrentShader().setProjectionMatrix(projectionMatrix);
Shader.getCurrentShader().setViewMatrix(viewMatrix);
for (int x = -10; x < 10; x += 8) {
for (int z = -10; z < 10; z += 8) {
Matrix4f m = new Matrix4f();
m = m.translate(new Vector3f(x, 0, z));
m = m.rotate(modelAngle.getY(), new Vector3f(0, 1, 0));
Shader.getCurrentShader().setModelMatrix(m);
bunny.draw();
}
}
/*for (int x=-10; x<10; x+=10) {
for (int z=-10; z<10; z+=10) {
Matrix4f m=new Matrix4f();
m=m.translate(new Vector3f(x, 0f, z));
m=m.rotate(modelAngle.getY()+((x+10)*20+z)*0.1f, new Vector3f(0, 1, 0));
Shader.getCurrentShader()
.setUniformMat4f(Shader.getCurrentShader().modelMatrixUniformId, m);
bunny.draw();
}
}*/
Shader.getCurrentShader().setModelMatrix(identity);
terrain.draw();
}
public void drawColorSphere(
int texture,
int scaleX,
int scaleY,
int scaleZ,
int posX,
int posY,
int posZ,
float r,
float g,
float b) {
Vector3f axe = new Vector3f(0, 0, 0);
axe.x = posX;
axe.y = posY;
axe.z = posZ;
Sphere.drawColorSphere(true, texture, scaleX, scaleY, scaleZ, axe, r, g, b);
}
public void lookAt(Vector3f eye, Vector3f at, Vector3f up) {
Vector3f forward = new Vector3f();
Vector3f side = new Vector3f();
Vector3f.sub(at, eye, forward);
forward.normalise();
Vector3f.cross(forward, up, side);
side.normalise();
Vector3f upCopy = new Vector3f(up);
Vector3f.cross(side, forward, upCopy);
getModel().setIdentity();
getModel().m00 = side.x;
getModel().m01 = side.y;
getModel().m02 = side.z;
getModel().m10 = upCopy.x;
getModel().m11 = upCopy.y;
getModel().m12 = upCopy.z;
getModel().m20 = -forward.x;
getModel().m21 = -forward.y;
getModel().m22 = -forward.z;
getModel().transpose();
getModel().translate(new Vector3f(-eye.x, -eye.y, -eye.z));
// Matrix4f translation = new Matrix4f();
// translation.translate((Vector3f) eye.negate());
// eye.negate();
// Matrix4f.mul(getModel(), translation, getModel());
}
public static void loadDataContainer(
TerrainDataContainer dest, float[][] map, int x, int y, int size) {
float[][] harray = new float[size - 2][size - 2];
float q = Chunk.CHUNK_SIZE / (float) (size - 3);
int bSize = (size - 2) * (size - 2);
FloatBuffer vBuff = BufferUtils.createFloatBuffer(bSize * 4);
FloatBuffer tBuff = BufferUtils.createFloatBuffer(bSize * 2);
FloatBuffer nBuff = BufferUtils.createFloatBuffer(bSize * 3);
int iAmount = 6 * (size - 3) * (size - 3);
IntBuffer iBuff = BufferUtils.createIntBuffer(iAmount);
for (int pX = 0; pX < size - 2; pX++)
for (int pZ = 0; pZ < size - 2; pZ++) {
harray[pX][pZ] = map[x + pX + 1][y + pZ + 1];
vBuff.put(pX * q);
vBuff.put(map[x + pX + 1][y + pZ + 1]);
vBuff.put(pZ * q);
vBuff.put(1);
tBuff.put((pX / (float) (size - 3)) * Chunk.TEXTURES);
tBuff.put((pZ / (float) (size - 3)) * Chunk.TEXTURES);
float hU = map[x + pX + 1][y + pZ + 2];
float hD = map[x + pX + 1][y + pZ];
float hL = map[x + pX][y + pZ + 1];
float hR = map[x + pX + 2][y + pZ + 1];
temp.set(hL - hR, 2f, hD - hU);
temp.normalise(temp);
nBuff.put(temp.x);
nBuff.put(temp.y);
nBuff.put(temp.z);
if (pX < size - 3 && pZ < size - 3) {
iBuff.put((pZ + 1) * (size - 2) + pX);
iBuff.put(pZ * (size - 2) + pX);
iBuff.put(pZ * (size - 2) + pX + 1);
iBuff.put((pZ + 1) * (size - 2) + pX + 1);
iBuff.put((pZ + 1) * (size - 2) + pX);
iBuff.put(pZ * (size - 2) + pX + 1);
}
}
vBuff.flip();
tBuff.flip();
nBuff.flip();
iBuff.flip();
dest.load(vBuff, tBuff, nBuff, iBuff, iAmount, q, harray);
}
public void move() {
if (position.x > direction.x) {
position.x -= speed * 0.1;
} else if (position.x < direction.x) {
position.x += speed * 0.1;
}
if (position.z > direction.z) {
position.z -= speed;
} else if (position.z < direction.z) {
position.z += speed;
}
model.setPosition(position.x, position.y, position.z);
model.setRotation(0, 0, 0);
model.setScaling(scale, scale, scale);
model.render3D();
}
private Matrix4f getTransform(float mouseX, float mouseY) {
Preconditions.checkNotNull(dragStart, "Draging not started");
Vector3f current = calculateSpherePoint(mouseX, mouseY);
float dot = Vector3f.dot(dragStart, current);
if (Math.abs(dot - 1) < 0.0001) return lastTransform;
Vector3f axis = Vector3f.cross(dragStart, current, null);
try {
axis.normalise();
} catch (IllegalStateException e) { // Zero length vector
return lastTransform;
}
float angle = 2 * (float) (Math.acos(dot));
Matrix4f rotation = new Matrix4f();
rotation.rotate(angle, axis);
return Matrix4f.mul(rotation, lastTransform, null);
}
/**
* Creates rotation matrix accord to current rotation and pushes it into GlStateManager. Don't
* forget to pop (remove) it once you are done rendering with this rotation.
*/
public void pushTransformMatrix() {
GlStateManager.pushMatrix();
// add operations in reverse order
// first, rotate forward vector to rotForward
float angle1 = Vector3f.angle(forward, rotForward);
MathUtils.cross(forward, rotForward, tmp1);
tmp1.normalise();
// rotate up and rotate up
tmpMatrix.setIdentity();
tmpMatrix.rotate(angle1, tmp1);
MathUtils.multiplyVec(tmpMatrix, up, tmp2);
// L.s("Diff1: " + MathUtils.distanceSquared(up, tmp2));
// L.s("Diff2: " + MathUtils.distanceSquared(rotUp, tmp3));
// second, rotate up to rotUp
float angle2 = Vector3f.angle(tmp2, rotUp);
// L.s("Angle2: " + angle2);
if (Math.abs(angle2) < Math.PI) {
MathUtils.cross(tmp2, rotUp, tmp2);
tmp2.normalise();
} else {
// full 180 degree rotation, use rotForward instead
tmp2.set(rotForward);
}
// L.s("Tmp2: " + tmp2 + ", atan: " + Math.atan2(tmp2.z, tmp2.x) * MathUtils.radToDeg);
GlStateManager.rotate(angle2 * MathUtils.radToDegF, tmp2.x, tmp2.y, tmp2.z); // */
GlStateManager.rotate(angle1 * MathUtils.radToDegF, tmp1.x, tmp1.y, tmp1.z); // */
invertedRotation.setIdentity();
invertedRotation.rotate(angle2, tmp2);
invertedRotation.rotate(angle1, tmp1);
invertedRotation.invert();
}
public int doCompare(
RendererSchematicChunk par1RendererSchematicChunk,
RendererSchematicChunk par2RendererSchematicChunk) {
if (par1RendererSchematicChunk.isInFrustrum && !par2RendererSchematicChunk.isInFrustrum) {
return -1;
} else if (!par1RendererSchematicChunk.isInFrustrum
&& par2RendererSchematicChunk.isInFrustrum) {
return 1;
} else {
Vector3f position = new Vector3f();
Vector3f.sub(this.settings.playerPosition, this.settings.offset, position);
double dist1 = par1RendererSchematicChunk.distanceToPoint(position);
double dist2 = par2RendererSchematicChunk.distanceToPoint(position);
return dist1 > dist2 ? 1 : (dist1 < dist2 ? -1 : 0);
}
}
public void update(float delta, Vector3f emitterPos) {
lifetime -= delta;
if (lifetime < 0) {
return;
}
a.set(acceleration);
a.scale(delta);
velocity = Vector3f.add(velocity, a, velocity);
v.set(velocity);
v.scale(delta);
position = Vector3f.add(position, v, position);
verticesBuffer = setupStream(position, emitterPos);
}
/*
* A super messy way to initiate the camera position without gameplay-input (meant to be run exactly once,
* at the beginning of the loading of a level).
*/
public void findPlayer() {
boolean lockNS =
ResourceManager.MANAGER.playerFocusEntity.cameraLockNS(
GameMap.MAP, GraphicsManager.MANAGER);
boolean lockEW =
ResourceManager.MANAGER.playerFocusEntity.cameraLockEW(
GameMap.MAP, GraphicsManager.MANAGER);
int mapHeight =
GameMap.MAP.mapCanvas.get(ResourceManager.MANAGER.playerFocusEntity.mapLevel).mapHeight
* GameMap.MAP.tileDimensions;
int mapWidth =
GameMap.MAP.mapCanvas.get(ResourceManager.MANAGER.playerFocusEntity.mapLevel).mapWidth
* GameMap.MAP.tileDimensions;
int screenHeight = GraphicsManager.MANAGER.getHeight();
int screenWidth = GraphicsManager.MANAGER.getWidth();
int top = mapHeight - screenHeight + (GraphicsManager.MANAGER.border * 2); // excess height!
int right = mapWidth - screenWidth + (GraphicsManager.MANAGER.border * 2);
setPosition(0, 0, 0);
if (lockNS) position.y = ResourceManager.MANAGER.playerFocusEntity.position.y;
else {
if (ResourceManager.MANAGER.playerFocusEntity.position.y > ((mapHeight / 2) - top / 2))
position.y = mapHeight / 2 + top / 2;
else position.y = mapHeight / 2 - top / 2;
}
if (lockEW) position.x = ResourceManager.MANAGER.playerFocusEntity.position.x;
else {
if (ResourceManager.MANAGER.playerFocusEntity.position.x > ((mapWidth / 2) - right / 2))
position.x = mapWidth / 2 + right / 2;
else position.x = mapWidth / 2 - right / 2;
}
}
public HeightMap(String path, int resolution) {
heightMap = loadHeightmap(path);
xScale = 1000f / resolution;
yScale = 0.08f;
zScale = 1000f / resolution;
verticesArray = new Vector3f[width * height];
vertices = BufferUtils.createFloatBuffer(3 * width * height);
texCoords = BufferUtils.createFloatBuffer(2 * width * height);
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
final int pos = height * x + y;
final Vector3f vertex = new Vector3f(xScale * x, yScale * heightMap[x][y], zScale * y);
verticesArray[pos] = vertex;
vertex.store(vertices);
texCoords.put(x / (float) width);
texCoords.put(y / (float) height);
}
}
vertices.flip();
texCoords.flip();
normalsArray = new Vector3f[height * width];
normals = BufferUtils.createFloatBuffer(3 * width * height);
final float xzScale = xScale;
for (int x = 0; x < width; ++x) {
for (int y = 0; y < height; ++y) {
final int nextX = x < width - 1 ? x + 1 : x;
final int prevX = x > 0 ? x - 1 : x;
float sx = heightMap[nextX][y] - heightMap[prevX][y];
if (x == 0 || x == width - 1) {
sx *= 2;
}
final int nextY = y < height - 1 ? y + 1 : y;
final int prevY = y > 0 ? y - 1 : y;
float sy = heightMap[x][nextY] - heightMap[x][prevY];
if (y == 0 || y == height - 1) {
sy *= 2;
}
final Vector3f normal =
new Vector3f(-sx * yScale, 2 * xzScale, sy * yScale).normalise(null);
normalsArray[height * x + y] = normal;
normal.store(normals);
}
}
normals.flip();
indicesArray = new int[7 * (height - 1) * (width - 1)];
indices = BufferUtils.createIntBuffer(12 * (width - 1) * (height - 1));
for (int i = 0; i < width - 1; i++) {
for (int j = 0; j < height - 1; j++) {
int pos = (height - 1) * i + j;
indices.put(height * i + j);
indices.put(height * (i + 1) + j);
indices.put(height * (i + 1) + (j + 1));
indices.put(height * i + (j + 1));
indices.put(height * i + j);
// indices.put(height * (i + 1) + j);
indices.put(height * (i + 1) + (j + 1));
indicesArray[6 * pos] = height * i + j;
indicesArray[6 * pos + 1] = height * (i + 1) + j;
indicesArray[6 * pos + 2] = height * (i + 1) + (j + 1);
// indicesArray[6 * pos + 3] = height * i + (j + 1);
indices.put(height * i + j);
indices.put(height * i + (j + 1));
indices.put(height * (i + 1) + (j + 1));
indices.put(height * i + (j + 1));
indices.put(height * i + j);
// indices.put(height * (i + 1) + j);
indices.put(height * (i + 1) + (j + 1));
indicesArray[6 * pos + 4] = height * i + j;
indicesArray[6 * pos + 5] = height * i + (j + 1);
indicesArray[6 * pos + 6] = height * (i + 1) + (j + 1);
// indicesArray[6 * pos + 7] = height * i + (j + 1);
}
}
indices.flip();
}
@Override
public void update() {
// constructing means the pellet has triggered something to be built at
// its sticking location
if (!constructing) {
// not constructing means the pellet is still traveling through
// space
/*
* if (Main.timer.getTime() - birthday == 0) { Vector3f back_up =
* new Vector3f(vel); back_up.scale(-40 * Main.world_scale);
* Vector3f.add(pos, back_up, pos); }
*/
// move the pellet
Vector3f.add(pos, vel, pos);
// if it's too old, kill it
if (Main.timer.getTime() - birthday > 2) {
if (last_good_position == null) {
alive = false;
} else {
constructing = true;
pos = last_good_position;
setInPlace();
}
} else {
// if the pellet is not dead yet, see if it intersected anything
// did it hit a line or plane?
Vector3f closest_point = queryScaffoldGeometry();
if (closest_point != null) {
System.out.println("pellet stuck to some geometry");
pos.set(closest_point);
if (is_first_pellet) {
constructing = true;
launchSecondPellet();
} else {
constructing = true;
}
} else if (Main.draw_points) {
// it didn't hit some existing geometry or pellet
// so check the point cloud
int neighbors = queryKdTree(pos.x, pos.y, pos.z, radius);
// is it near some points?!
if (neighbors > 0 && is_first_pellet) {
constructing = true;
setInPlace();
launchSecondPellet();
} else if (neighbors > 0 && !is_first_pellet) {
last_good_position = new Vector3f(pos);
}
}
}
} else {
// the pellet has stuck... here we just give it a nice growing
// bubble animation
if (radius < max_radius) {
radius *= 1.1;
}
}
}
public Vertex(int index, Vector3f position) {
this.index = index;
this.position = position;
this.length = position.length();
}
public void reset() {
rotForward.set(forward);
rotUp.set(up);
rotRight.set(right);
}
