void CreateCamera(int width, int height, vector3df position, vector3df target)
{
//Build camera
ISceneManager* sm = g_GameGraph->GetSceneManager();
WorldState* worldState =
static_cast<WorldState*> (g_GameGraph->GetWorldState());
HexMap* hm = worldState->GetCurrentMap();
if (NULL != sm)
{
if (NULL != hm)
{
ICameraSceneNode* orthoCam = sm->addCameraSceneNode(
sm->getRootSceneNode(), position, target);
matrix4 projMat;
projMat.buildProjectionMatrixOrthoLH(width, height, -5, 5);
orthoCam->setProjectionMatrix(projMat, true);
orthoCam->bindTargetAndRotation(true);
if (orthoCam->isOrthogonal())
{
CameraAnimator* cameraAnim = new CameraAnimator(position, width,
height, hm->GetMapDimensions().Height,
hm->GetMapDimensions().Width, worldState->GetHero(),
hm->GetCoordinateTranslator());
orthoCam->addAnimator(cameraAnim);
cameraAnim->drop();
cameraAnim = NULL;
if (width > height)
{
LOGI("Creating a landscape camera.");
landscapeCamera = orthoCam;
}
else
{
LOGI("Creating a portrait camera");
portraitCamera = orthoCam;
}
}
else
{
LOGE("The created camera is not orthoganol, something is wrong with the perspective matrix.");
}
}
else
{
LOGE("The hex map created in the WorldState is NULL.");
}
}
else
{
LOGE("The scene manager cannot be loaded from the device.");
}
}
void loop(s4 &game_state)
{
ICameraSceneNode* camera = irrlicht->smgr->addCameraSceneNode();
matrix4 ortho;
ortho.buildProjectionMatrixOrthoLH(
irrlicht->driver->getScreenSize().Width/ortho_scale,
irrlicht->driver->getScreenSize().Height/ortho_scale,-1.0,1000.0);
camera->setProjectionMatrix(ortho);
camera->setPosition({0,0,-100});
camera->setTarget({0,0,0});
irrlicht->hud->setActiveCamera(camera);
IBillboardSceneNode* qnode = irrlicht->smgr->addBillboardSceneNode();
qnode->setMaterialFlag(EMF_WIREFRAME,true);
// --------------------------------------
p("---- Game loop start ----");
d32 dt = 0.0f;
const d32 maxDelta = 1.0f/60.0f * 5.0f;
const d32 tick_ms = 0.01666f; // TODO: change this back to 30ms?
d32 render_dt = 0.0f;
const d32 render_ms = RENDER_TIME_STEP;
uint32 time_physics_prev = btclock->getTimeMicroseconds();
while(irrlicht->device->run() && game_state == GAME_STATE_PLAY)
{
const uint32 time_physics_curr = btclock->getTimeMicroseconds();
const d32 frameTime = ((d32)(time_physics_curr - time_physics_prev)) / 1000000.0; // todo: is this truncated correctly?
time_physics_prev = time_physics_curr;
d32 capped_dt = frameTime;
if (capped_dt > maxDelta) { capped_dt = maxDelta; }
render_dt += capped_dt;
if ( render_dt >= render_ms )
{
render_dt = 0.0f;
update_player();
update_enemies();
update_missiles(ply->missiles,ply->num_missile);
irrlicht->hud->getRootSceneNode()->setPosition(camera->getPosition() + vector3df(0,0,100));
irrlicht->driver->beginScene(true, true, SColor(255,59,120,140));
irrlicht->smgr->drawAll();
irrlicht->driver->clearZBuffer();
irrlicht->hud->drawAll();
irrlicht->driver->endScene();
}
dt += capped_dt;
while( dt >= tick_ms )
{
dt -= tick_ms;
receiver->input();
clear_quads(quadtree);
step_player();
step_enemies();
step_missiles(ply->missiles, ply->num_missile);
QuadTree::Quad* fq = get_quad_from_pos(quadtree,ply->curr_pos);
qnode->setSize(dimension2d<f32>(1,1));
qnode->setPosition(fq->pos.irr());
qnode->setSize(dimension2d<f32>(fq->width,fq->width));
if (receiver->debug_key.state)
{
for (s4 i = 0; i < fleet->num_squad; i++)
{
if (fleet->squads[i].mode != scatter)
fleet->squads[i].mode = scatter;
else
fleet->squads[i].mode = to_positions;
}
}
if (receiver->restart.state) { game_state = GAME_STATE_RESET; return; }
if (receiver->QUIT) { game_state = GAME_STATE_QUIT; return; }
empty_transient_soft(memory);
}
alpha = dt / tick_ms;
core::stringw str = L"Coquelicot // score: ";
str += score;
str += L" // FPS: ";
str += (s32)irrlicht->driver->getFPS();
irrlicht->device->setWindowCaption(str.c_str());
}
}