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Added getSurroundingChunks method to level.

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This commit is contained in:
Faerbit 2015-05-27 10:27:08 +02:00
parent 0bee5f915d
commit b6467a92a3
2 changed files with 38 additions and 0 deletions
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37
game/level.cc
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@ -141,6 +141,43 @@ void Level::enqueueObjects(Graphics* graphics) {
graphics->enqueueObjects(&sortedCrossChunkObjects); graphics->enqueueObjects(&sortedCrossChunkObjects);
} }
std::vector<Chunk*> Level::getSurroundingChunks() {
int renderDistance = 0;
if ((int)farPlane % chunkSize == 0) {
renderDistance = (((int)skydomeSize)+chunkSize/2)/chunkSize;
}
else {
renderDistance = ((((int)skydomeSize)+chunkSize/2)/chunkSize) + 1;
}
int xPosition = ((int)cameraCenter->getPosition().x + (terrain.getHeightmapWidth()/2))/chunkSize;
int zPosition = ((int)cameraCenter->getPosition().z + (terrain.getHeightmapHeight()/2))/chunkSize;
int xStart = xPosition - renderDistance;
unsigned int xEnd = xPosition + renderDistance;
int zStart = zPosition - renderDistance;
unsigned int zEnd = zPosition + renderDistance;
if (xStart < 0) {
xStart = 0;
}
if (zStart < 0) {
zStart = 0;
}
if (xEnd >= chunks.size()) {
xEnd = chunks.size()-1;
}
if (zEnd >= chunks.at(0).size()) {
zEnd = chunks.at(0).size()-1;
}
std::vector<Chunk*> vector = std::vector<Chunk*>((2*renderDistance)*(2*renderDistance));
int counter = 0;
for(unsigned int i = xStart; i<=xEnd; i++) {
for(unsigned int j = zStart; j<=zEnd; j++) {
vector.at(counter) = &chunks.at(i).at(j);
counter++;
}
}
return vector;
}
void Level::sortObjects(int textureCount) { void Level::sortObjects(int textureCount) {
for(unsigned int i = 0; i<chunks.size(); i++) { for(unsigned int i = 0; i<chunks.size(); i++) {
for(unsigned int j = 0; j<chunks.at(i).size(); j++) { for(unsigned int j = 0; j<chunks.at(i).size(); j++) {

1
game/level.hh
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@ -86,6 +86,7 @@ class Level {
void sortObjects(int textureCount); void sortObjects(int textureCount);
std::vector<Light*>* getClosestLights(); std::vector<Light*>* getClosestLights();
private: private:
std::vector<Chunk*> getSurroundingChunks();
lua_State* luaState=nullptr; lua_State* luaState=nullptr;
std::vector<Object*> crossChunkObjects; std::vector<Object*> crossChunkObjects;
std::vector<std::vector<Object*>> sortedCrossChunkObjects; std::vector<std::vector<Object*>> sortedCrossChunkObjects;