void CBasicTreeSquareDrawer::DrawQuad (int x,int y)
{
int treesX = td->treesX;
CBasicTreeDrawer::TreeSquareStruct* tss=&td->trees[y*treesX+x];
float3 dif;
dif.x=camera->pos.x-(x*SQUARE_SIZE*TREE_SQUARE_SIZE + SQUARE_SIZE*TREE_SQUARE_SIZE/2);
dif.y=0;
dif.z=camera->pos.z-(y*SQUARE_SIZE*TREE_SQUARE_SIZE + SQUARE_SIZE*TREE_SQUARE_SIZE/2);
float dist=dif.Length();
dif/=dist;
if(dist<SQUARE_SIZE*TREE_SQUARE_SIZE*treeDistance*2 && dist>SQUARE_SIZE*TREE_SQUARE_SIZE*(treeDistance)){//far trees
tss->lastSeenFar=gs->frameNum;
if(!tss->farDisplist || dif.dot(tss->viewVector)<0.97f){
va=GetVertexArray();
va->Initialize();
va->EnlargeArrays(4*tss->trees.size(),0,VA_SIZE_T); //!alloc room for all tree vertexes
tss->viewVector=dif;
if(!tss->farDisplist)
tss->farDisplist=glGenLists(1);
float3 up(0,1,0);
float3 side=up.cross(dif);
for(std::map<int,CBasicTreeDrawer::TreeStruct>::iterator ti=tss->trees.begin();ti!=tss->trees.end();++ti){
CBasicTreeDrawer::TreeStruct* ts=&ti->second;
if(ts->type<8){
DrawTreeVertexFar1(ts->pos, side*MAX_TREE_HEIGHT_3, false);
} else {
DrawTreeVertexFar2(ts->pos, side*MAX_TREE_HEIGHT_3, false);
}
}
glNewList(tss->farDisplist,GL_COMPILE);
va->DrawArrayT(GL_QUADS);
glEndList();
}
if(dist>SQUARE_SIZE*TREE_SQUARE_SIZE*(treeDistance*2-1)){
float trans=(SQUARE_SIZE*TREE_SQUARE_SIZE*treeDistance*2-dist)/(SQUARE_SIZE*TREE_SQUARE_SIZE);
glEnable(GL_BLEND);
glColor4f(1,1,1,trans);
glAlphaFunc(GL_GREATER,(SQUARE_SIZE*TREE_SQUARE_SIZE*treeDistance*2-dist)/(SQUARE_SIZE*TREE_SQUARE_SIZE*2));
} else {
glColor4f(1,1,1,1);
glDisable(GL_BLEND);
glAlphaFunc(GL_GREATER,0.5f);
}
glCallList(tss->farDisplist);
}
if(dist<SQUARE_SIZE*TREE_SQUARE_SIZE*treeDistance){ //middle distance trees
tss->lastSeen=gs->frameNum;
if(!tss->displist){
va=GetVertexArray();
va->Initialize();
va->EnlargeArrays(12*tss->trees.size(),0,VA_SIZE_T); //!alloc room for all tree vertexes
tss->displist=glGenLists(1);
for(std::map<int,CBasicTreeDrawer::TreeStruct>::iterator ti=tss->trees.begin();ti!=tss->trees.end();++ti){
CBasicTreeDrawer::TreeStruct* ts=&ti->second;
if(ts->type<8)
DrawTreeVertexMid1(ts->pos, false);
else
DrawTreeVertexMid2(ts->pos, false);
}
glNewList(tss->displist,GL_COMPILE);
va->DrawArrayT(GL_QUADS);
glEndList();
}
glColor4f(1,1,1,1);
glDisable(GL_BLEND);
glAlphaFunc(GL_GREATER,0.5f);
glCallList(tss->displist);
}
}
void DrawQuad(int x, int y) {
ITreeDrawer::TreeSquareStruct* tss = &td->trees[(y * td->treesX) + x];
float3 dif;
dif.x = camera->GetPos().x - ((x * SQUARE_SIZE * TREE_SQUARE_SIZE) + (SQUARE_SIZE * TREE_SQUARE_SIZE / 2));
dif.y = 0.0f;
dif.z = camera->GetPos().z - ((y * SQUARE_SIZE * TREE_SQUARE_SIZE) + (SQUARE_SIZE * TREE_SQUARE_SIZE / 2));
const float dist = dif.Length();
const float distFactor = dist / treeDistance;
dif.Normalize();
const float3 side = UpVector.cross(dif);
if (distFactor < MID_TREE_DIST_FACTOR) { // midle distance trees
tss->lastSeen = gs->frameNum;
if (tss->dispList == 0) {
tss->dispList = glGenLists(1);
va = GetVertexArray();
va->Initialize();
va->EnlargeArrays(12 * tss->trees.size(), 0, VA_SIZE_T); //!alloc room for all tree vertexes
for (std::map<int, ITreeDrawer::TreeStruct>::iterator ti = tss->trees.begin(); ti != tss->trees.end(); ++ti) {
const ITreeDrawer::TreeStruct* ts = &ti->second;
const CFeature* f = featureHandler->GetFeature(ts->id);
if (!f->IsInLosForAllyTeam(gu->myAllyTeam))
continue;
if (ts->type < 8)
DrawTreeVertexMid1(ts->pos, false);
else
DrawTreeVertexMid2(ts->pos, false);
}
glNewList(tss->dispList, GL_COMPILE);
va->DrawArrayT(GL_QUADS);
glEndList();
}
glColor4f(1, 1, 1, 1);
glDisable(GL_BLEND);
glAlphaFunc(GL_GREATER, 0.5f);
glCallList(tss->dispList);
return;
}
if (distFactor < FAR_TREE_DIST_FACTOR) { // far trees
tss->lastSeenFar = gs->frameNum;
if ((tss->farDispList == 0) || (dif.dot(tss->viewVector) < 0.97f)) {
if (tss->farDispList == 0)
tss->farDispList = glGenLists(1);
va = GetVertexArray();
va->Initialize();
va->EnlargeArrays(4 * tss->trees.size(), 0, VA_SIZE_T); //!alloc room for all tree vertexes
tss->viewVector = dif;
for (std::map<int, ITreeDrawer::TreeStruct>::iterator ti = tss->trees.begin(); ti != tss->trees.end(); ++ti) {
const ITreeDrawer::TreeStruct* ts = &ti->second;
const CFeature* f = featureHandler->GetFeature(ts->id);
if (!f->IsInLosForAllyTeam(gu->myAllyTeam))
continue;
if (ts->type < 8) {
DrawTreeVertexFar1(ts->pos, side * MAX_TREE_HEIGHT_3, false);
} else {
DrawTreeVertexFar2(ts->pos, side * MAX_TREE_HEIGHT_3, false);
}
}
glNewList(tss->farDispList, GL_COMPILE);
va->DrawArrayT(GL_QUADS);
glEndList();
}
if (distFactor > FADE_TREE_DIST_FACTOR){ // faded far trees
const float trans = 1.0f - (distFactor - FADE_TREE_DIST_FACTOR) / (FAR_TREE_DIST_FACTOR - FADE_TREE_DIST_FACTOR);
glEnable(GL_BLEND);
glColor4f(1, 1, 1, trans);
glAlphaFunc(GL_GREATER, trans / 2.0f);
} else {
glColor4f(1, 1, 1, 1);
glDisable(GL_BLEND);
glAlphaFunc(GL_GREATER, 0.5f);
}
glCallList(tss->farDispList);
}
}
