void _draw()
{
int state = statestack_top();
io::clear_screen();
view_t view;
if (state == STATE_EXAMINE)
{
view = compute_view(target_cursor_position(), VIEW_WIDTH, VIEW_HEIGHT,
current_dungeon->width, current_dungeon->height);
}
else
{
view = compute_view(player.pos, VIEW_WIDTH, VIEW_HEIGHT,
current_dungeon->width, current_dungeon->height);
}
compute_fov(current_dungeon, player.pos.x, player.pos.y);
draw_dungeon(current_dungeon, view);
if (inside_view(view, player.pos))
{
if (player.flag & CF_INVISIBLE)
draw_symbol_hilite(player.symbol, player.pos.x - view.x, player.pos.y - view.y);
else
draw_symbol(player.symbol, player.pos.x - view.x, player.pos.y - view.y);
}
if (state == STATE_EXAMINE || state == STATE_CAST_SPELL || state == STATE_ZAP_WAND)
{
draw_target_cursor(view);
}
draw_stats();
erase_msg_buffer();
flush_turn_log(false);
io::flush();
}
camera_callable::camera_callable()
: fov_(45.0f), horizontal_angle_(float(M_PI)), vertical_angle_(0.0f),
speed_(0.1f), mouse_speed_(0.005f), near_clip_(0.1f), far_clip_(300.0f),
mode_(MODE_AUTO), type_(PERSPECTIVE_CAMERA), ortho_left_(0), ortho_bottom_(0),
ortho_top_(preferences::actual_screen_height()), ortho_right_(preferences::actual_screen_width())
{
up_ = glm::vec3(0.0f, 1.0f, 0.0f);
position_ = glm::vec3(0.0f, 0.0f, 10.0f);
aspect_ = float(preferences::actual_screen_width())/float(preferences::actual_screen_height());
compute_view();
compute_projection();
}
camera_callable::camera_callable(const variant& node)
: fov_(45.0f), horizontal_angle_(float(M_PI)), vertical_angle_(0.0f),
speed_(0.1f), mouse_speed_(0.005f), near_clip_(0.1f), far_clip_(300.0f),
mode_(MODE_AUTO), type_(PERSPECTIVE_CAMERA), ortho_left_(0), ortho_bottom_(0),
ortho_top_(preferences::actual_screen_height()), ortho_right_(preferences::actual_screen_width())
{
position_ = glm::vec3(0.0f, 0.0f, 10.0f);
if(node.has_key("fov")) {
fov_ = std::min(90.0f, std::max(15.0f, float(node["fov"].as_decimal().as_float())));
}
if(node.has_key("horizontal_angle")) {
horizontal_angle_ = float(node["horizontal_angle"].as_decimal().as_float());
}
if(node.has_key("vertical_angle")) {
vertical_angle_ = float(node["vertical_angle"].as_decimal().as_float());
}
if(node.has_key("speed")) {
speed_ = float(node["speed"].as_decimal().as_float());
}
if(node.has_key("mouse_speed")) {
mouse_speed_ = float(node["mouse_speed"].as_decimal().as_float());
}
if(node.has_key("aspect")) {
aspect_ = float(node["aspect"].as_decimal().as_float());
} else {
aspect_ = float(preferences::actual_screen_width())/float(preferences::actual_screen_height());
}
if(node.has_key("position")) {
ASSERT_LOG(node["position"].is_list() && node["position"].num_elements() == 3,
"position must be a list of 3 decimals.");
position_ = glm::vec3(float(node["position"][0].as_decimal().as_float()),
float(node["position"][1].as_decimal().as_float()),
float(node["position"][2].as_decimal().as_float()));
}
if(node.has_key("type")) {
if(node["type"].as_string() == "orthogonal") {
type_ = ORTHOGONAL_CAMERA;
}
}
if(node.has_key("ortho_window")) {
ASSERT_LOG(node["ortho_window"].is_list() && node["ortho_window"].num_elements() == 4, "Attribute 'ortho_window' must be a 4 element list. left,right,top,bottom");
ortho_left_ = node["ortho_window"][0].as_int();
ortho_right_ = node["ortho_window"][1].as_int();
ortho_top_ = node["ortho_window"][2].as_int();
ortho_bottom_ = node["ortho_window"][3].as_int();
}
// If lookat key is specified it overrides the normal compute.
if(node.has_key("lookat")) {
const variant& la = node["lookat"];
ASSERT_LOG(la.has_key("position") && la.has_key("target") && la.has_key("up"),
"lookat must be a map having 'position', 'target' and 'up' as tuples");
glm::vec3 position(la["position"][0].as_decimal().as_float(),
la["position"][1].as_decimal().as_float(),
la["position"][2].as_decimal().as_float());
glm::vec3 target(la["target"][0].as_decimal().as_float(),
la["target"][1].as_decimal().as_float(),
la["target"][2].as_decimal().as_float());
glm::vec3 up(la["up"][0].as_decimal().as_float(),
la["up"][1].as_decimal().as_float(),
la["up"][2].as_decimal().as_float());
look_at(position, target, up);
mode_ = MODE_MANUAL;
} else {
compute_view();
}
compute_projection();
}
