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/*
client/hud.cc
This file is part of the Osirion project and is distributed under
the terms and conditions of the GNU General Public License version 2
*/
#include "core/core.h"
#include "core/range.h"
#include "client/client.h"
#include "client/hud.h"
#include "client/hudenginestatus.h"
#include "client/hudplayerstatus.h"
#include "client/hudtargetstatus.h"
#include "client/input.h"
#include "client/targets.h"
#include "render/render.h"
#include "render/renderext.h"
#include "ui/ui.h"
#include "ui/paint.h"
namespace client
{
const float SPLASH_POPUP_DELAY = 0.1f;
HUD::HUD(ui::Widget *parent) : Widget(parent)
{
set_label("hud");
set_border(false);
set_background(false);
hud_center = new ui::Bitmap(this, "bitmaps/pointers/center");
hud_center->set_color(palette()->pointer());
// player status
hud_playerstatus = new HUDPlayerStatus(this);
// engine status
hud_enginestatus = new HUDEngineStatus(this);
// target status
hud_targetstatus = new HUDTargetStatus(this);
hud_splash_time = 0.0f;
hud_last_target = 0;
}
void HUD::resize()
{
const float padding = ui::root()->font_large()->height();
hud_center->set_size(ui::pointer_size, ui::pointer_size);
hud_center->set_location((size() - hud_center->size()) * 0.5f);
const float w = (width() - 4 * padding) / 3.0f;
hud_playerstatus->set_size(w,ui::UI::elementsize.height() * 3.0f);
hud_playerstatus->set_location(padding, height() - hud_playerstatus->height() - padding);
hud_enginestatus->set_size(w,ui::UI::elementsize.height() * 3.0f);
hud_enginestatus->set_location(hud_playerstatus->right() + padding, hud_playerstatus->top());
hud_targetstatus->set_size(w,ui::UI::elementsize.height() * 3.0f);
hud_targetstatus->set_location(hud_enginestatus->right() + padding, hud_playerstatus->top());
}
/*
* This function is called to draw off-screen target indicators
* */
void HUD::draw_offscreen_target(core::Entity *entity, bool is_active_target)
{
const core::EntityControlable *controlable = ( (entity->type() == core::Entity::Controlable) ? static_cast<core::EntityControlable *>(entity) : 0 );
math::Vector3f target(entity->location() - render::Camera::eye());
target = render::Camera::axis().transpose() * target;
math::Vector2f screen_edge;
if (target.y() * target.y() + target.z() * target.z() < 0.0001) {
// X - bound, behind (front is visible)
screen_edge.assign(0.0f, -0.5f);
} else if (fabs(target.y()) > fabs(target.z())) {
// Y-bound
screen_edge.assign(math::sgnf(target.y()) * 0.5f, 0.5f * target.z() / fabs(target.y()));
} else {
// Z-bound
screen_edge.assign(0.5f * target.y() / fabs(target.z()), math::sgnf(target.z()) * 0.5f);
}
screen_edge[0] = (0.5f - screen_edge[0]) * ((float) render::State::width());
screen_edge[1] = (0.5f - screen_edge[1]) * ((float) render::State::height());
const float bitmap_margin = 24.0f;
float bitmap_radius = 24.0f;
if (is_active_target) {
bitmap_radius = 32.0f;
} else if (controlable) {
if (render::ext_render(controlable)->distance() > core::range::fxdistance) {
if (controlable->owner()) {
bitmap_radius = 24.0f;
} else {
return;
}
} else {
if (controlable->owner()) {
bitmap_radius = 32.0f;
} else {
bitmap_radius = 16.0f;
}
}
}
math::Vector2f screen_center((float) render::State::width() * 0.5f, (float) render::State::height() * 0.5f);
math::Vector2f bitmap_up((screen_edge - screen_center));
bitmap_up /= bitmap_up.length();
math::Vector2f bitmap_left(-bitmap_up.y(), bitmap_up.x());
math::Vector2f bitmap_center(screen_edge - (bitmap_up * (bitmap_margin + bitmap_radius)));
// popup effect
if (is_active_target && (hud_splash_time > 0.0f)) {
bitmap_radius *= (core::application()->time() - hud_splash_time) / SPLASH_POPUP_DELAY;
}
bitmap_up *= bitmap_radius;
bitmap_left *= bitmap_radius;
math::Color bitmap_color;
const float reputation = core::localplayer()->reputation(entity->faction());
std:: string bitmap_material("bitmaps/hud/offscreen_default");
if (controlable) {
if (controlable->owner()) {
bitmap_material.assign("bitmaps/hud/offscreen_controlable");
}
// reputation color
if (reputation >= core::range::reputation_friendly) {
bitmap_color.assign(0.0f, 1.0f, 0.0f); // green
} else if (reputation <= core::range::reputation_hostile) {
bitmap_color.assign(1.0f, 0.0f, 0.0f); // red
} else {
bitmap_color.assign(1.0f, 1.0f, 1.0f); // white
}
} else if (entity->has_flag(core::Entity::Dockable)) {
bitmap_material.assign("bitmaps/hud/offscreen_dockable");
// reputation color
if (reputation >= core::range::reputation_friendly) {
bitmap_color.assign(0.0f, 1.0f, 0.0f); // green
} else if (reputation <= core::range::reputation_hostile) {
bitmap_color.assign(1.0f, 0.0f, 0.0f); // red
} else {
bitmap_color.assign(1.0f, 1.0f, 1.0f); // white
}
} else {
bitmap_color.assign(palette()->text());
}
if (entity == core::localplayer()->mission_target()) {
bitmap_color.assign(palette()->mission());
} else if (entity == core::localplayer()->autopilot_target()) {
bitmap_color.assign(palette()->mission());
}
render::Textures::bind(bitmap_material.c_str());
gl::color(bitmap_color);
gl::enable(GL_TEXTURE_2D);
gl::begin(gl::Quads);
gl::texcoord(0.0f, 0.0f);
gl::vertex(bitmap_center + bitmap_up - bitmap_left);
gl::texcoord(1.0f, 0.0f);
gl::vertex(bitmap_center + bitmap_up + bitmap_left);
gl::texcoord(1.0f, 1.0f);
gl::vertex(bitmap_center - bitmap_up + bitmap_left);
gl::texcoord(0.0f, 1.0f);
gl::vertex(bitmap_center - bitmap_up - bitmap_left);
gl::end();
gl::disable(GL_TEXTURE_2D);
}
/*
* This function is called to draw on-screen target indicators
* If is_active_target is set, the target is the currently selected HUD target
* */
void HUD::draw_target(core::Entity *entity, bool is_active_target)
{
using math::Vector3f;
// don't draw target if we're very close to it
if (render::ext_render(entity)->distance() < 0.001f) {
return;
}
// don't draw target if it is outside the visible cone
Vector3f target(entity->location() - render::Camera::eye());
if (math::dotproduct(render::Camera::axis().forward(), Vector3f::normalized(target)) < 0.75) {
draw_offscreen_target(entity, is_active_target);
return;
}
const core::EntityControlable *controlable = ( (entity->type() == core::Entity::Controlable) ? static_cast<core::EntityControlable *>(entity) : 0 );
// calculate target screen position
// transform the target into the camera coordinate system
target = render::Camera::axis().transpose() * target;
// calculate the intersection between the line (0,0,0)-target and the frustum front
float t = (render::FRUSTUMFRONT + 0.001f) / target.x();
Vector3f center(target * t);
float cx = roundf(render::State::width() * (0.5 - center.y()));
float cy = roundf(render::State::height() * (0.5 - center.z() * render::State::aspect()));
if ((cx < 0) || (cy < 0) || (cx > render::State::width()) || (cy > render::State::height())) {
draw_offscreen_target(entity, is_active_target);
return;
}
// ---------------------------------------------------------
// draw target bitmap
float bitmap_radius = 32.0f;
if (is_active_target) {
bitmap_radius *= 2.0f;
if (hud_splash_time > 0.0f) {
bitmap_radius *= (core::application()->time() - hud_splash_time) / SPLASH_POPUP_DELAY;
}
} else if (controlable && (render::ext_render(controlable)->distance() > core::range::fxdistance)) {
bitmap_radius *= 0.5f;
}
math::Vector2f bitmap_location(cx - bitmap_radius, cy - bitmap_radius);
math::Vector2f bitmap_size(2.0f * bitmap_radius, 2.0f * bitmap_radius);
math::Color bitmap_color;
const float reputation = core::localplayer()->reputation(entity->faction());
std:: string bitmap_material;
// default target color
if (controlable) {
if (controlable->owner()) {
bitmap_material.assign("bitmaps/hud/target_controlable");
} else {
bitmap_material.assign("bitmaps/hud/target_default");
}
bitmap_color.assign(1.0f, 1.0f, 1.0f); // white
} else if (entity->has_flag(core::Entity::Dockable)) {
bitmap_material.assign("bitmaps/hud/target_dockable");
bitmap_color.assign(1.0f, 1.0f, 1.0f); // white
} else {
bitmap_material.assign("bitmaps/hud/target_default");
bitmap_color.assign(palette()->text()); // default text color
}
// mission, autopilot and reputation override target color
if (entity == core::localplayer()->mission_target()) {
// mission target
bitmap_color.assign(palette()->mission());
} else if (entity == core::localplayer()->autopilot_target()) {
// mission target
bitmap_color.assign(palette()->mission());
} else if (reputation >= core::range::reputation_friendly) {
// friendly
bitmap_color.assign(0.0f, 1.0f, 0.0f); // green
} else if (reputation <= core::range::reputation_hostile) {
// hostile
bitmap_color.assign(1.0f, 0.0f, 0.0f); // red
}
ui::Paint::draw_bitmap(bitmap_location, bitmap_size, bitmap_color, bitmap_material);
// ---------------------------------------------------------
// draw target entity text labels
bool do_draw_label = true;
if (is_active_target) {
// check if the splash animation is still running
if (hud_splash_time > 0.0f) {
do_draw_label = false;
}
} else if (controlable) {
// do not show labels on far away NPCSs
if (!controlable->owner() && (render::ext_render(controlable)->distance() > core::range::fxdistance)) {
do_draw_label = false;
}
}
if (do_draw_label) {
// draw name label
std::string label_color;
std::string label_text;
if (controlable && controlable->owner()) {
label_color.assign("^B");
} else if (entity->has_flag(core::Entity::Dockable)) {
label_color.assign("^B");
} else {
label_color.assign("^N");
}
label_text.assign(label_color);
if (controlable && controlable->owner()) {
label_text.append(controlable->owner()->name());
} else {
label_text.append(entity->name());
}
const ui::Font *label_font;
if (is_active_target) {
label_font = ui::root()->font_small();
} else {
label_font = ui::root()->font_tiny();
}
math::Vector2f label_size(2.0f * bitmap_radius, label_font->height());
math::Vector2f label_location(cx - bitmap_radius, cy - bitmap_radius -label_size.height());
ui::Paint::draw_label(label_location, label_size,label_font, label_text);
// draw distance label
if (is_active_target) {
std::ostringstream strdistance;
strdistance << label_color;
float d = math::distance(core::localcontrol()->location(), entity->location()) - entity->radius() - core::localcontrol()->radius();
if (d > 0) {
if (d > 100.0f) {
strdistance << roundf(d * 0.1f) << "km";
} else {
strdistance << roundf(d * 100.0f) << "m";
}
} else {
strdistance << "--";
}
label_location.assign(cx - bitmap_radius, cy - bitmap_radius);
ui::Paint::draw_label(label_location, label_size, label_font, strdistance.str());
}
if (controlable && (is_active_target || (render::ext_render(controlable)->distance() < core::range::fxdistance))) {
// health bar size
const float hb_width = bitmap_radius;
float hb_height = ui::root()->font_tiny()->width();
if (!is_active_target) {
hb_height *= 0.5f;
}
const float hb_f = hb_width * controlable->health() / 100.0f;
math::Vector2f pos;
pos[0] = cx - bitmap_radius;
pos[0] += bitmap_radius - 0.5f * hb_width;
pos[1] = cy + bitmap_radius - 1.5f * hb_height;
// health bar
gl::color(0, 1, 0, 1);
gl::begin(gl::Quads);
gl::vertex(pos[0], pos[1]);
gl::vertex(pos[0] + hb_f, pos[1]);
gl::vertex(pos[0] + hb_f, pos[1] + hb_height);
gl::vertex(pos[0], pos[1] + hb_height);
gl::end();
// health bar frame
gl::color(palette()->foreground());
gl::begin(gl::LineLoop);
gl::vertex(pos[0], pos[1]);
gl::vertex(pos[0] + hb_width, pos[1]);
gl::vertex(pos[0] + hb_width, pos[1] + hb_height);
gl::vertex(pos[0], pos[1] + hb_height);
gl::end();
}
}
}
bool HUD::on_keypress(const int key, const unsigned int modifier)
{
switch (key) {
case SDLK_ESCAPE:
if (targets::current()) {
targets::reset();
} else {
Client::show_menu("game");
}
return true;
}
return false;
}
void HUD::draw()
{
using namespace render;
if (core::localcontrol() && (input::mouse_control || input::joystick_control) &&
(render::Camera::mode() == render::Camera::Cockpit || render::Camera::mode() == render::Camera::Track)) {
hud_center->set_visible(true);
} else {
hud_center->set_visible(false);
}
gl::enable(GL_TEXTURE_2D);
Text::setfont("gui", 12, 18);
Text::setcolor('N'); //set normal color
core::Zone *zone = core::localcontrol()->zone();
if (targets::current()) {
if (targets::current()->id() != hud_last_target) {
hud_splash_time = core::application()->time();
} else if (hud_splash_time + SPLASH_POPUP_DELAY < core::application()->time()) {
hud_splash_time = 0.0f;
}
hud_last_target = targets::current()->id();
} else {
hud_splash_time = 0.0f;
hud_last_target = 0;
}
// draw HUD targets
for (core::Zone::Content::iterator it = zone->content().begin(); it != zone->content().end(); it++) {
core::Entity *entity = (*it);
if (entity == targets::current()) {
// draw current HUD target
draw_target(entity, true);
} else if (entity == core::localplayer()->autopilot_target()) {
// draw current mission target
draw_target(entity, false);
} else if (entity == core::localplayer()->mission_target()) {
// draw current mission target
draw_target(entity, false);
} else if ((entity->type() == core::Entity::Controlable) && (targets::is_valid_hud_target(entity))) {
// draw other players
draw_target(entity, false);
}
}
gl::disable(GL_TEXTURE_2D);
if (has_mouse_focus()) {
if (render::Camera::mode() == render::Camera::Overview) {
ui::root()->set_pointer("pointer", ui::Palette::Highlight);
} else if (targets::hover()) {
ui::root()->set_pointer("target", ui::Palette::Pointer, true);
if (input::joystick_lastmoved_time() > input::mouse_lastmoved_time()) {
ui::root()->input_mouse(render::State::width() / 2, render::State::height() / 2);
}
} else if (input::mouse_control) {
ui::root()->set_pointer("control", ui::Palette::Pointer);
} else if ((input::joystick_lastmoved_time() > input::mouse_lastmoved_time()) && (render::Camera::mode() == render::Camera::Cockpit || render::Camera::mode() == render::Camera::Track)) {
ui::root()->set_pointer();
} else {
ui::root()->set_pointer("aim", ui::Palette::Pointer);
}
}
}
}
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