void Map::generateMesh(std::string materialName)
{
Ogre::ManualObject* plane = new Ogre::ManualObject("plane");
plane->estimateIndexCount(m_length * m_width * 8);
plane->estimateVertexCount(m_length * m_width * 8);
plane->clear();
plane->begin(materialName);
Ogre::Vector3 pos = Ogre::Vector3(0, 0, 0);
Ogre::Quaternion quat;
Ogre::Quaternion quatNext;
unsigned long planeNum = 0;
for (unsigned int i = 0; i < m_length; i++) {
quat = m_rotationalSpline.getPoint(i);
quatNext = m_rotationalSpline.getPoint(i + 1);
for (int x = -100 * (m_width / (double) 2), j = 0; (unsigned) j < m_width; j++, x += 100) {
int back = -100;
int left = x;
int right = x + 100;
int down = -20 ;
Ogre::Vector3 nextPos = pos + quat * Ogre::Vector3(0, 0, back);
Ogre::Vector3 posMinus50 = pos + quat * Ogre::Vector3(left, 0, 0);
Ogre::Vector3 posPlus50 = pos + quat * Ogre::Vector3(right, 0, 0);
Ogre::Vector3 nextPosMinus50 = nextPos + quatNext * Ogre::Vector3(left, 0, 0);
Ogre::Vector3 nextPosPlus50 = nextPos + quatNext * Ogre::Vector3(right, 0, 0);
//TODO: fix normals?
plane->position(posMinus50);
plane->normal((quat * Vector3(0, 1, 0)).normalisedCopy());
plane->textureCoord(1, 1);
plane->position(nextPosMinus50);
plane->normal((quat * Vector3(0, 1, 0)).normalisedCopy());
plane->textureCoord(1, 0);
plane->position(posPlus50);
plane->normal((quat * Vector3(0, 1, 0)).normalisedCopy());
plane->textureCoord(0, 1);
plane->position(nextPosPlus50);
plane->normal((quat * Vector3(0, 1, 0)).normalisedCopy());
plane->textureCoord(0, 0);
Ogre::Vector3 nextPosDown = nextPos + quat * Ogre::Vector3(0, down, 0);
Ogre::Vector3 posMinus50Down = posMinus50 + quat * Ogre::Vector3(0, down, 0);
Ogre::Vector3 posPlus50Down = posPlus50 + quat * Ogre::Vector3(0, down, 0);
Ogre::Vector3 nextPosMinus50Down = nextPosMinus50 + quatNext * Ogre::Vector3(0, down, 0);
Ogre::Vector3 nextPosPlus50Down = nextPosPlus50 + quatNext * Ogre::Vector3(0, down, 0);
//TODO: fix normals?
plane->position(posMinus50Down);
plane->normal((quat * Vector3(-1, -1, 1)).normalisedCopy());
plane->textureCoord(0, 0);
plane->position(nextPosMinus50Down);
plane->normal((quat * Vector3(-1, -1, -1)).normalisedCopy());
plane->textureCoord(0, 1);
plane->position(posPlus50Down);
plane->normal((quat * Vector3(1, -1, 1)).normalisedCopy());
plane->textureCoord(1, 0);
plane->position(nextPosPlus50Down);
plane->normal((quat * Vector3(1, -1, -1)).normalisedCopy());
plane->textureCoord(1, 1);
if (m_cubes[planeNum / (double) m_width][planeNum % m_width] != HOLE) {
//if (m_cubes[planeNum / (double) m_width][planeNum % m_width] == NORMAL)
//{
//top
plane->triangle(0 + planeNum * 8, 1 + planeNum * 8, 2 + planeNum * 8);
plane->triangle(2 + planeNum * 8, 1 + planeNum * 8, 0 + planeNum * 8);
plane->triangle(1 + planeNum * 8, 3 + planeNum * 8, 2 + planeNum * 8);
plane->triangle(2 + planeNum * 8, 3 + planeNum * 8, 1 + planeNum * 8);
//}
//bottom
plane->triangle(4 + planeNum * 8, 5 + planeNum * 8, 6 + planeNum * 8);
plane->triangle(6 + planeNum * 8, 5 + planeNum * 8, 4 + planeNum * 8);
plane->triangle(5 + planeNum * 8, 7 + planeNum * 8, 6 + planeNum * 8);
plane->triangle(6 + planeNum * 8, 7 + planeNum * 8, 5 + planeNum * 8);
if (planeNum % m_width == 0 || m_cubes[planeNum / (double) m_width][(planeNum - 1) % m_width] == HOLE) {
//left
plane->triangle(0 + planeNum * 8, 4 + planeNum * 8, 5 + planeNum * 8);
plane->triangle(5 + planeNum * 8, 4 + planeNum * 8, 0 + planeNum * 8);
plane->triangle(0 + planeNum * 8, 1 + planeNum * 8, 5 + planeNum * 8);
plane->triangle(5 + planeNum * 8, 1 + planeNum * 8, 0 + planeNum * 8);
}
if (planeNum % m_width == m_width - 1 || m_cubes[planeNum / (double) m_width][(planeNum + 1) % m_width] == HOLE) {
//right
plane->triangle(2 + planeNum * 8, 6 + planeNum * 8, 7 + planeNum * 8);
plane->triangle(7 + planeNum * 8, 6 + planeNum * 8, 2 + planeNum * 8);
plane->triangle(2 + planeNum * 8, 3 + planeNum * 8, 7 + planeNum * 8);
plane->triangle(7 + planeNum * 8, 3 + planeNum * 8, 2 + planeNum * 8);
}
if (planeNum / (double) m_width >= m_length - 1 || m_cubes[(planeNum + m_width) / (double) m_width][planeNum % m_width] == HOLE) {
//back
plane->triangle(5 + planeNum * 8, 7 + planeNum * 8, 1 + planeNum * 8);
plane->triangle(1 + planeNum * 8, 7 + planeNum * 8, 5 + planeNum * 8);
plane->triangle(1 + planeNum * 8, 3 + planeNum * 8, 7 + planeNum * 8);
plane->triangle(7 + planeNum * 8, 3 + planeNum * 8, 1 + planeNum * 8);
}
if (planeNum / (double) m_width <= m_width || m_cubes[(planeNum - m_width) / (double) m_width][planeNum % m_width] == HOLE) {
//front
plane->triangle(2 + planeNum * 8, 6 + planeNum * 8, 4 + planeNum * 8);
plane->triangle(4 + planeNum * 8, 6 + planeNum * 8, 2 + planeNum * 8);
plane->triangle(0 + planeNum * 8, 4 + planeNum * 8, 2 + planeNum * 8);
plane->triangle(2 + planeNum * 8, 4 + planeNum * 8, 0 + planeNum * 8);
}
}
planeNum++;
}
pos = pos + quat * Ogre::Vector3(0, 0, -100);
}
plane->end();
plane->setCastShadows(false);
m_mapMainNode->attachObject(plane);
MeshPtr ptr = plane->convertToMesh("planeMesh");
Entity* planeEntity = m_pSceneMgr->createEntity("planeEntity", "planeMesh");
}
void Map::generateMeshObstacles(std::string materialName)
{
Ogre::ManualObject* obstacles = new Ogre::ManualObject("obstacles");
obstacles->estimateIndexCount(m_length * m_width * 8);
obstacles->estimateVertexCount(m_length * m_width * 8);
obstacles->clear();
obstacles->begin(materialName);
Ogre::Vector3 pos = Ogre::Vector3(0, 0, 0);
Ogre::Quaternion quat;
Ogre::Quaternion quatNext;
unsigned long planeNum = 0;
m_obstaclePositions.clear();
for (unsigned int i = 0; i < m_length; i++) {
quat = m_rotationalSpline.getPoint(i);
quatNext = m_rotationalSpline.getPoint(i + 1);
for (int x = -100 * (m_width / (double) 2), j = 0; (unsigned) j < m_width; j++, x += 100) {
int back = -100;
int left = x;
int right = x + 100;
int up = 100;
Ogre::Vector3 nextPos = pos + quat * Ogre::Vector3(0, 0, back);
Ogre::Vector3 posMinus50 = pos + quat * Ogre::Vector3(left, 0, 0);
Ogre::Vector3 posPlus50 = pos + quat * Ogre::Vector3(right, 0, 0);
Ogre::Vector3 nextPosMinus50 = nextPos + quatNext * Ogre::Vector3(left, 0, 0);
Ogre::Vector3 nextPosPlus50 = nextPos + quatNext * Ogre::Vector3(right, 0, 0);
//TODO: fix normals
obstacles->position(posMinus50);
obstacles->normal((quat * Vector3(0, 1, 0)).normalisedCopy());
obstacles->textureCoord(1, 1);
obstacles->position(nextPosMinus50);
obstacles->normal((quat * Vector3(0, 1, 0)).normalisedCopy());
obstacles->textureCoord(1, 0);
obstacles->position(posPlus50);
obstacles->normal((quat * Vector3(0, 1, 0)).normalisedCopy());
obstacles->textureCoord(0, 1);
obstacles->position(nextPosPlus50);
obstacles->normal((quat * Vector3(0, 1, 0)).normalisedCopy());
obstacles->textureCoord(0, 0);
Ogre::Vector3 nextPosUp = nextPos + quat * Ogre::Vector3(0, up, 0);
Ogre::Vector3 posMinus50Up = posMinus50 + quat * Ogre::Vector3(0, up, 0);
Ogre::Vector3 posPlus50Up = posPlus50 + quat * Ogre::Vector3(0, up, 0);
Ogre::Vector3 nextPosMinus50Up = nextPosMinus50 + quatNext * Ogre::Vector3(0, up, 0);
Ogre::Vector3 nextPosPlus50Up = nextPosPlus50 + quatNext * Ogre::Vector3(0, up, 0);
//TODO: fix normals
obstacles->position(posMinus50Up);
obstacles->normal((quat * Vector3(-1, 1, 1)).normalisedCopy());
obstacles->textureCoord(0, 0);
obstacles->position(nextPosMinus50Up);
obstacles->normal((quat * Vector3(-1, 1, -1)).normalisedCopy());
obstacles->textureCoord(0, 1);
obstacles->position(posPlus50Up);
obstacles->normal((quat * Vector3(1, 1, 1)).normalisedCopy());
obstacles->textureCoord(1, 0);
obstacles->position(nextPosPlus50Up);
obstacles->normal((quat * Vector3(1, 1, -1)).normalisedCopy());
obstacles->textureCoord(1, 1);
if (m_cubes[planeNum / (double) m_width][planeNum % m_width] == OBSTACLE) {
//TODO: check if this hack works..
m_obstaclePositions.push_back(posMinus50);
//top
obstacles->triangle(4 + planeNum * 8, 5 + planeNum * 8, 6 + planeNum * 8);
obstacles->triangle(6 + planeNum * 8, 5 + planeNum * 8, 4 + planeNum * 8);
obstacles->triangle(5 + planeNum * 8, 7 + planeNum * 8, 6 + planeNum * 8);
obstacles->triangle(6 + planeNum * 8, 7 + planeNum * 8, 5 + planeNum * 8);
if (planeNum % m_width == 0 || m_cubes[planeNum / (double) m_width][(planeNum - 1) % m_width] != OBSTACLE) {
//left
obstacles->triangle(0 + planeNum * 8, 4 + planeNum * 8, 5 + planeNum * 8);
obstacles->triangle(5 + planeNum * 8, 4 + planeNum * 8, 0 + planeNum * 8);
obstacles->triangle(0 + planeNum * 8, 1 + planeNum * 8, 5 + planeNum * 8);
obstacles->triangle(5 + planeNum * 8, 1 + planeNum * 8, 0 + planeNum * 8);
}
if (planeNum % m_width == m_width - 1 || m_cubes[planeNum / (double) m_width][(planeNum + 1) % m_width] != OBSTACLE) {
//right
obstacles->triangle(2 + planeNum * 8, 6 + planeNum * 8, 7 + planeNum * 8);
obstacles->triangle(7 + planeNum * 8, 6 + planeNum * 8, 2 + planeNum * 8);
obstacles->triangle(2 + planeNum * 8, 3 + planeNum * 8, 7 + planeNum * 8);
obstacles->triangle(7 + planeNum * 8, 3 + planeNum * 8, 2 + planeNum * 8);
}
if (planeNum / (double) m_width >= m_length - 1 || m_cubes[(planeNum + m_width) / (double) m_width][planeNum % m_width] != OBSTACLE) {
//back
obstacles->triangle(5 + planeNum * 8, 7 + planeNum * 8, 1 + planeNum * 8);
obstacles->triangle(1 + planeNum * 8, 7 + planeNum * 8, 5 + planeNum * 8);
obstacles->triangle(1 + planeNum * 8, 3 + planeNum * 8, 7 + planeNum * 8);
obstacles->triangle(7 + planeNum * 8, 3 + planeNum * 8, 1 + planeNum * 8);
}
if (planeNum / (double) m_width <= m_width || m_cubes[(planeNum - m_width) / (double) m_width][planeNum % m_width] != OBSTACLE) {
//front
obstacles->triangle(2 + planeNum * 8, 6 + planeNum * 8, 4 + planeNum * 8);
obstacles->triangle(4 + planeNum * 8, 6 + planeNum * 8, 2 + planeNum * 8);
obstacles->triangle(0 + planeNum * 8, 4 + planeNum * 8, 2 + planeNum * 8);
obstacles->triangle(2 + planeNum * 8, 4 + planeNum * 8, 0 + planeNum * 8);
}
}
planeNum++;
}
pos = pos + quat * Ogre::Vector3(0, 0, -100);
}
obstacles->end();
obstacles->setCastShadows(true);
//TODO: fix graphics bug when no obstacles
/*if (m_obstaclePositions.size() <= 0)
{
return;
}*/
m_mapMainNode->attachObject(obstacles);
MeshPtr ptr = obstacles->convertToMesh("obstaclesMesh");
Entity* obstaclesEntity = m_pSceneMgr->createEntity("obstaclesEntity", "obstaclesMesh");
}
// Given a scene node for a terrain, find the manual object on that scene node and
// update the manual object with the heightmap passed. If there is no manual object on
// the scene node, remove all it's attachments and add the manual object.
// The heightmap is passed in a 1D array ordered by width rows (for(width) {for(length) {hm[w,l]}})
// This must be called between frames since it touches the scene graph
// BETWEEN FRAME OPERATION
void Region::UpdateTerrain(const int hmWidth, const int hmLength, const float* hm) {
Ogre::SceneNode* node = this->TerrainSceneNode;
LG::Log("Region::UpdateTerrain: updating terrain for region %s", this->Name.c_str());
if (node == NULL) {
LG::Log("Region::UpdateTerrain: terrain scene node doesn't exist. Not updating terrain.");
return;
}
// Find the movable object attached to the scene node. If not found remove all.
if (node->numAttachedObjects() > 0) {
Ogre::MovableObject* attached = node->getAttachedObject(0);
if (attached->getMovableType() != "ManualObject") {
// don't know why this would ever happen but clean out the odd stuff
LG::Log("Found extra stuff on terrain scene node");
node->detachAllObjects();
}
}
// if there is not a manual object on the node, create a new one
if (node->numAttachedObjects() == 0) {
LG::Log("Region::UpdateTerrain: creating terrain ManualObject for region %s", this->Name.c_str());
// if no attached objects, we add our dynamic ManualObject
Ogre::ManualObject* mob = LG::RendererOgre::Instance()->m_sceneMgr->createManualObject("ManualObject/" + node->getName());
mob->addQueryFlags(Ogre::SceneManager::WORLD_GEOMETRY_TYPE_MASK);
mob->setDynamic(true);
mob->setCastShadows(true);
mob->setVisible(true);
node->attachObject(mob);
// m_visCalc->RecalculateVisibility();
}
Ogre::ManualObject* mo = (Ogre::ManualObject*)node->getAttachedObject(0);
// stuff our heightmap information into the dynamic manual object
mo->estimateVertexCount(hmWidth * hmLength);
mo->estimateIndexCount(hmWidth * hmLength * 6);
if (mo->getNumSections() == 0) {
// if first time
mo->begin(LG::GetParameter("Renderer.Ogre.DefaultTerrainMaterial"));
}
else {
mo->beginUpdate(0); // we've been here before
}
int loc = 0;
for (int xx = 0; xx < hmWidth; xx++) {
for (int yy = 0; yy < hmLength; yy++) {
mo->position((Ogre::Real)xx, (Ogre::Real)yy, hm[loc++]);
mo->textureCoord((float)xx / (float)hmWidth, (float)yy / (float)hmLength);
mo->normal(0.0, 1.0, 0.0); // always up (for the moment)
}
}
for (int px = 0; px < hmLength-1; px++) {
for (int py = 0; py < hmWidth-1; py++) {
mo->quad(px + py * hmWidth,
px + (py + 1) * hmWidth,
(px + 1) + (py + 1) * hmWidth,
(px + 1) + py * hmWidth
);
}
}
mo->end();
return;
}
