void SpaceStation::Render(const vector3d &viewCoords, const matrix4x4d &viewTransform)
{
/* Well this is nice... */
static int poo=0;
if (!poo) {
poo = 1;
LmrGetModelsWithTag("advert", s_advertModels);
}
// it is silly to do this every render call
//
// random advert models in pFlag[16 .. 19]
// station name in pText[0]
// docking port in pText[1]
MTRand rand;
rand.seed(m_sbody->seed);
LmrObjParams ¶ms = GetLmrObjParams();
/* random advert models */
params.argStrings[4] = s_advertModels[rand.Int32(s_advertModels.size())]->GetName();
params.argStrings[5] = s_advertModels[rand.Int32(s_advertModels.size())]->GetName();
params.argStrings[6] = s_advertModels[rand.Int32(s_advertModels.size())]->GetName();
params.argStrings[7] = s_advertModels[rand.Int32(s_advertModels.size())]->GetName();
params.argStrings[0] = GetLabel().c_str();
SetLmrTimeParams();
for (int i=0; i<MAX_DOCKING_PORTS; i++) {
params.argDoubles[ARG_STATION_BAY1_STAGE + i] = double(m_shipDocking[i].stage);
params.argDoubles[ARG_STATION_BAY1_POS + i] = m_shipDocking[i].stagePos;
}
RenderLmrModel(viewCoords, viewTransform);
/* don't render city if too far away */
if (viewCoords.Length() > 1000000.0) return;
// find planet Body*
Planet *planet;
{
Body *_planet = GetFrame()->m_astroBody;
if ((!_planet) || !_planet->IsType(Object::PLANET)) {
// orbital spaceport -- don't make city turds
} else {
planet = static_cast<Planet*>(_planet);
if (!m_adjacentCity) {
m_adjacentCity = new CityOnPlanet(planet, this, m_sbody->seed);
}
m_adjacentCity->Render(this, viewCoords, viewTransform);
}
}
}
/*
* Method: Integer
*
* Generates an integer number
*
* > number = rand:Integer()
* > number = rand:Integer(max)
* > number = rand:Integer(min, max)
*
* Parameters:
*
* min - optional, the minimum possible value for the generated number. If
* omitted, defaults to 0
*
* max - optional, the maximum possible value for the generated number. If
* omitted, defaults to a very large number (currently 2^32-1)
*
* Return:
*
* number - the random number
*
* Availability:
*
* alpha 10
*
* Status:
*
* stable
*/
static int l_rand_integer(lua_State *l)
{
MTRand *rand = LuaObject<MTRand>::CheckFromLua(1);
int min, max;
if (lua_isnumber(l, 2) && lua_isnumber(l, 3)) {
min = lua_tointeger(l, 2);
max = lua_tointeger(l, 3);
}
else if (lua_isnumber(l, 2)) {
min = 0;
max = lua_tointeger(l, 2);
}
else {
lua_pushnumber(l, rand->Int32());
return 1;
}
if (min > max)
luaL_error(l, "Max must be bigger than min in random number range");
lua_pushnumber(l, rand->Int32(min, max));
return 1;
}
void CityOnPlanet::PutCityBit(MTRand &rand, const matrix4x4d &rot, vector3d p1, vector3d p2, vector3d p3, vector3d p4)
{
double rad = (p1-p2).Length()*0.5;
LmrModel *model(0);
double modelRadXZ(0);
const LmrCollMesh *cmesh(0);
vector3d cent = (p1+p2+p3+p4)*0.25;
cityflavourdef_t *flavour(0);
citybuildinglist_t *buildings(0);
// pick a building flavour (city, windfarm, etc)
for (int flv=0; flv<CITYFLAVOURS; flv++) {
flavour = &cityflavour[flv];
buildings = &s_buildingLists[flavour->buildingListIdx];
int tries;
for (tries=20; tries--; ) {
const citybuilding_t &bt = buildings->buildings[rand.Int32(buildings->numBuildings)];
model = bt.resolvedModel;
modelRadXZ = bt.xzradius;
cmesh = bt.collMesh;
if (modelRadXZ < rad) break;
if (tries == 0) return;
}
bool tooDistant = ((flavour->center - cent).Length()*(1.0/flavour->size) > rand.Double());
if (!tooDistant) break;
else flavour = 0;
}
if (flavour == 0) {
if (rad > MIN_SEG_SIZE) goto always_divide;
else return;
}
if (rad > modelRadXZ*2.0) {
always_divide:
vector3d a = (p1+p2)*0.5;
vector3d b = (p2+p3)*0.5;
vector3d c = (p3+p4)*0.5;
vector3d d = (p4+p1)*0.5;
vector3d e = (p1+p2+p3+p4)*0.25;
PutCityBit(rand, rot, p1, a, e, d);
PutCityBit(rand, rot, a, p2, b, e);
PutCityBit(rand, rot, e, b, p3, c);
PutCityBit(rand, rot, d, e, c, p4);
} else {
cent = cent.Normalized();
double height = m_planet->GetTerrainHeight(cent);
/* don't position below sealevel! */
if (height - m_planet->GetSBody()->GetRadius() <= 0.0) return;
cent = cent * height;
assert(cmesh);
Geom *geom = new Geom(cmesh->geomTree);
int rotTimes90 = rand.Int32(4);
matrix4x4d grot = rot * matrix4x4d::RotateYMatrix(M_PI*0.5*double(rotTimes90));
geom->MoveTo(grot, cent);
geom->SetUserData(this);
// f->AddStaticGeom(geom);
BuildingDef def = { model, cmesh->GetBoundingRadius(), rotTimes90, cent, geom, false };
m_buildings.push_back(def);
}
}
CityOnPlanet::CityOnPlanet(Planet *planet, SpaceStation *station, Uint32 seed)
{
m_buildings.clear();
m_planet = planet;
m_frame = planet->GetFrame();
m_detailLevel = Pi::detail.cities;
/* Resolve city model numbers since it is a bit expensive */
if (!s_cityBuildingsInitted) {
s_cityBuildingsInitted = true;
for (int i=0; i<MAX_BUILDING_LISTS; i++) {
lookupBuildingListModels(&s_buildingLists[i]);
}
}
Aabb aabb;
station->GetAabb(aabb);
matrix4x4d m;
station->GetRotMatrix(m);
vector3d mx = m*vector3d(1,0,0);
vector3d mz = m*vector3d(0,0,1);
MTRand rand;
rand.seed(seed);
vector3d p = station->GetPosition();
vector3d p1, p2, p3, p4;
double sizex = START_SEG_SIZE;// + rand.Int32((int)START_SEG_SIZE);
double sizez = START_SEG_SIZE;// + rand.Int32((int)START_SEG_SIZE);
// always have random shipyard buildings around the space station
cityflavour[0].buildingListIdx = 0;//2;
cityflavour[0].center = p;
cityflavour[0].size = 500;
for (int i=1; i<CITYFLAVOURS; i++) {
cityflavour[i].buildingListIdx = MAX_BUILDING_LISTS>1 ? rand.Int32(MAX_BUILDING_LISTS-1) : 0;
citybuildinglist_t *blist = &s_buildingLists[cityflavour[i].buildingListIdx];
double a = rand.Int32(-1000,1000);
double b = rand.Int32(-1000,1000);
cityflavour[i].center = p + a*mx + b*mz;
cityflavour[i].size = rand.Int32(int(blist->minRadius), int(blist->maxRadius));
}
for (int side=0; side<4; side++) {
/* put buildings on all sides of spaceport */
switch(side) {
case 3:
p1 = p + mx*(aabb.min.x) + mz*aabb.min.z;
p2 = p + mx*(aabb.min.x) + mz*(aabb.min.z-sizez);
p3 = p + mx*(aabb.min.x+sizex) + mz*(aabb.min.z-sizez);
p4 = p + mx*(aabb.min.x+sizex) + mz*(aabb.min.z);
break;
case 2:
p1 = p + mx*(aabb.min.x-sizex) + mz*aabb.max.z;
p2 = p + mx*(aabb.min.x-sizex) + mz*(aabb.max.z-sizez);
p3 = p + mx*(aabb.min.x) + mz*(aabb.max.z-sizez);
p4 = p + mx*(aabb.min.x) + mz*(aabb.max.z);
break;
case 1:
p1 = p + mx*(aabb.max.x-sizex) + mz*aabb.max.z;
p2 = p + mx*(aabb.max.x) + mz*aabb.max.z;
p3 = p + mx*(aabb.max.x) + mz*(aabb.max.z+sizez);
p4 = p + mx*(aabb.max.x-sizex) + mz*(aabb.max.z+sizez);
break;
default:
case 0:
p1 = p + mx*aabb.max.x + mz*aabb.min.z;
p2 = p + mx*(aabb.max.x+sizex) + mz*aabb.min.z;
p3 = p + mx*(aabb.max.x+sizex) + mz*(aabb.min.z+sizez);
p4 = p + mx*aabb.max.x + mz*(aabb.min.z+sizez);
break;
}
PutCityBit(rand, m, p1, p2, p3, p4);
}
AddStaticGeomsToCollisionSpace();
}