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/*
client/input.h
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 "audio/audio.h"
#include "core/core.h"
#include "client/client.h"
#include "client/input.h"
#include "client/chat.h"
#include "client/console.h"
#include "client/keyboard.h"
#include "client/targets.h"
#include "client/video.h"
#include "render/camera.h"
#include "math/functions.h"
#include "render/text.h"
#include "render/draw.h"
#include "SDL/SDL.h"
namespace client
{
core::Cvar *input_mousecontrol = 0;
namespace input
{
//--- local variables ---------------------------------------------
Keyboard *keyboard = 0;
//bool free_control = true;
// local controls
float local_direction = 0.0f;
float local_pitch = 0.0f;
float local_thrust = 0.0f;
float local_roll = 0.0f;
// last controlled entity
unsigned int last_control = 0;
// mouse cursor position
int mouse_x = 0;
int mouse_y = 0;
float mouse_pitch = 0;
float mouse_direction = 0;
// true if the mouse is in the deadzone
bool mouse_deadzone = false;
// true if the mouse has control
bool mouse_control_override = false;
bool mouse_control = false;
const float thruster_offset = 0.05f;
// small hack to prevent two sounds triggered by the scrollwheel
bool singleclick = true;
//--- engine functions --------------------------------------------
void func_screenshot(std::string const & args)
{
video::screenshot();
}
void func_ui_control(std::string const &args)
{
if (!core::localcontrol())
return;
if (input_mousecontrol->value() > 0) {
(*input_mousecontrol) = 0.0f;
} else {
(*input_mousecontrol) = 1.0f;
}
if (!input_mousecontrol->value()) {
local_direction = 0.0f;
local_pitch = 0.0f;
local_roll = 0.0f;
render::Camera::set_direction(0.0f);
render::Camera::set_pitch(0.0f);
}
audio::play("ui/control");
}
void func_ui_console(std::string const &args)
{
console()->toggle();
}
void func_ui_chat(std::string const &args)
{
if (core::application()->connected()) {
chat::toggle();
}
}
void func_ui_view(std::string const &args)
{
if (core::application()->connected() && core::localcontrol()) {
render::Camera::next_mode();
local_roll = 0;
local_pitch = 0;
local_direction = 0;
audio::play("ui/view");
}
}
void func_list_keys(std::string const &args)
{
if (keyboard)
keyboard->list_keys();
}
void func_list_binds(std::string const &args)
{
if (keyboard)
keyboard->list_binds();
}
void func_bind(std::string const &args)
{
if (keyboard) {
std::stringstream argstr(args);
std::string keyname;
if (argstr >> keyname) {
if (args.size() > keyname.size()+1) {
keyboard->bind(keyname, args.substr(keyname.size()+1));
return;
}
}
}
core::Func *func = core::Func::find("bind");
con_print << "bind " << func->info() << std::endl;
}
void func_unbind(std::string const &args)
{
if (keyboard) {
std::stringstream argstr(args);
std::string keyname;
if (argstr >> keyname) {
keyboard->unbind(keyname);
return;
}
}
core::Func *func = core::Func::find("unbind");
con_print << "unbind " << func->info() << std::endl;
}
//--- input functions ---------------------------------------------
void init()
{
con_print << "^BInitializing input..." << std::endl;
keyboard = new Keyboard();
client::setkeyboardmode(false);
SDL_ShowCursor(SDL_DISABLE);
SDL_WM_GrabInput(SDL_GRAB_ON);
// SDL_EnableUNICODE(1);
input_mousecontrol = core::Cvar::get("input_mousecontrol", "1", core::Cvar::Archive);
input_mousecontrol->set_info("[bool] enable or disable mouse control");
core::Func *func = 0;
func = core::Func::add("ui_console", func_ui_console);
func->set_info("toggle console on or off");
func = core::Func::add("ui_chat", func_ui_chat);
func->set_info("toggle chatbox on or of");
func = core::Func::add("ui_view", func_ui_view);
func->set_info("switch camera view");
func = core::Func::add("ui_control",func_ui_control);
func->set_info("toggle mouse control");
func = core::Func::add("list_keys", func_list_keys);
func->set_info("list keyboard key names");
func = core::Func::add("list_binds",func_list_binds);
func->set_info("list keyboard binds");
func = core::Func::add("bind", (core::FuncPtr) func_bind);
func->set_info("[key] [str] bind a command to a key");
func = core::Func::add("unbind", func_unbind);
func->set_info("[key] unbind a key");
func = core::Func::add("screenshot", func_screenshot);
func->set_info("make a screenshot");
keyboard->load_binds();
}
void shutdown()
{
con_print << "^BShutting down input..." << std::endl;
core::Func::remove("list_keys");
core::Func::remove("list_binds");
core::Func::remove("bind");
core::Func::remove("unbind");
core::Func::remove("screenshot");
core::Func::remove("ui_console");
core::Func::remove("ui_control");
core::Func::remove("ui_chat");
core::Func::remove("ui_view");
keyboard->save_binds();
delete keyboard;
keyboard = 0;
SDL_ShowCursor(SDL_ENABLE);
SDL_WM_GrabInput(SDL_GRAB_OFF);
// SDL_EnableUNICODE(0);
}
void action_press(std::string const &action)
{
/* -- thruster ------------------------------------ */
if (action.compare("+thrust") == 0) {
if (local_thrust < 1.0f && singleclick) {
//audio::play("ui/thruster");
singleclick = false;
}
local_thrust += thruster_offset;
} else if (action.compare("-thrust") == 0) {
if (local_thrust > 0.0f && singleclick) {
//audio::play("ui/thruster");
singleclick = false;
}
local_thrust -= 2.0f * thruster_offset;
/* -- mouse control ------------------------------- */
} else if (action.compare("+control") == 0) {
mouse_control_override = true;
/* -- directional control ------------------------- */
} else if (action.compare("+left") == 0) {
local_direction = 1.0f;
} else if (action.compare("+right") == 0) {
local_direction = -1.0f;
} else if (action.compare("+up") == 0) {
local_pitch = 1.0f;
} else if (action.compare("+down") == 0) {
local_pitch = -1.0f;
} else if (action.compare("+rollleft") == 0) {
local_roll = 1.0f;
} else if (action.compare("+rollright") == 0) {
local_roll = -1.0f;
/* -- camera control ------------------------------ */
} else if (action.compare("+camleft") == 0) {
render::Camera::set_direction(1.0f);
} else if (action.compare("+camright") == 0) {
render::Camera::set_direction(-1.0f);
} else if (action.compare("+camup") == 0) {
render::Camera::set_pitch(1.0f);
} else if (action.compare("+camdown") == 0) {
render::Camera::set_pitch(-1.0f);
} else
con_warn << "Unknown action " << action << std::endl;
}
void action_release(std::string const &action)
{
/* -- thruster ------------------------------------ */
if (action.compare("+thrust") == 0) {
} else if (action.compare("-thrust") == 0) {
/* -- mouse control ------------------------------- */
} else if (action.compare("+control") == 0) {
mouse_control_override = false;
if (!input_mousecontrol->value()) {
local_direction = 0.0f;
local_pitch = 0.0f;
local_roll = 0.0f;
render::Camera::set_direction(0.0f);
render::Camera::set_pitch(0.0f);
}
/* -- directional control ------------------------- */
} else if (action.compare("+left") == 0) {
local_direction = 0.0f;
} else if (action.compare("+right") == 0) {
local_direction = 0.0f;
} else if (action.compare("+up") == 0) {
local_pitch = 0.0f;
} else if (action.compare("+down") == 0) {
local_pitch = 0.0f;
} else if (action.compare("+rollleft") == 0) {
local_roll = 0.0f;
} else if (action.compare("+rollright") == 0) {
local_roll = 0.0f;
/* -- camera control ------------------------------ */
} else if (action.compare("+camleft") == 0) {
render::Camera::set_direction(0.0f);
} else if (action.compare("+camright") == 0) {
render::Camera::set_direction(0.0f);
} else if (action.compare("+camup") == 0) {
render::Camera::set_pitch(0.0f);
} else if (action.compare("+camdown") == 0) {
render::Camera::set_pitch(0.0f);
}
}
void frame(float seconds)
{
if (core::localcontrol() && (last_control != core::localcontrol()->id())) {
local_direction = 0.0f;
local_pitch = 0.0f;
local_roll = 0.0f;
local_thrust = core::localcontrol()->thrust();
last_control = core::localcontrol()->id();
mouse_pitch = 0.0f;
mouse_direction = 0.0f;
mouse_x = video::width / 2;
mouse_y = video::height / 2;
render::Camera::reset();
mouse_control_override = false;
targets::reset();
render::reset();
}
SDL_Event event;
Key *key = 0;
bool pressed = false;
singleclick = true;
while (SDL_PollEvent(&event)) {
pressed = false;
key = 0;
switch (event.type) {
case SDL_MOUSEMOTION:
mouse_x = event.motion.x;
mouse_y = event.motion.y;
break;
case SDL_MOUSEBUTTONDOWN:
// override for gui mouse down
key = keyboard->press(512 + event.button.button);
pressed = true;
break;
case SDL_MOUSEBUTTONUP:
key = keyboard->release(512 + event.button.button);
pressed = false;
break;
case SDL_KEYDOWN:
key = keyboard->press(event.key.keysym.sym);
pressed = true;
break;
case SDL_KEYUP:
key = keyboard->release(event.key.keysym.sym);
pressed = false;
break;
case SDL_QUIT:
core::application()->shutdown();
return;
break;
}
if (key) {
if (pressed) {
/*
if (keysym.mod & KMOD_NUM) numlock = true else numlock = false;
if (keysym.mod & KMOD_CAPS) capslock = true; else capslock = false;
if ((keysym.mod & KMOD_LSHIFT) || (keysym.mod & KMOD_RSHIFT)) capslock != capslock;
*/
// FIXME console key is always captured
// FIXME ESC should escape to gui
if ((key->sym() == SDLK_ESCAPE) || (key->bind().compare("ui_console") == 0)) {
console()->toggle();
local_direction = 0.0f;
local_pitch = 0.0f;
local_roll = 0.0f;
render::Camera::set_direction(0.0f);
render::Camera::set_pitch(0.0f);
} else if (console()->visible()) {
// send key events to the console
if (event.type == SDL_KEYDOWN)
console()->keypressed(translate_keysym(event.key.keysym));
} else if (chat::visible()) {
// send key events to the chat box
if (event.type == SDL_KEYDOWN)
chat::keypressed(translate_keysym(event.key.keysym));
} else if (core::application()->connected() && core::localcontrol()) {
if ((key->sym() == 512 + SDL_BUTTON_LEFT) && targets::hover()) {
// hovering target selected
targets::select_target(targets::hover());
} else {
char c = key->bind().c_str()[0];
if (c == '+' || c == '-') {
// action bind
action_press(key->bind());
} else if (c) {
// normal bind
core::cmd() << key->bind() << "\n";
}
}
} else if (core::application()->connected()) {
char c = key->bind().c_str()[0];
if (c && c != '+' && c != '-') {
// normal bind
core::cmd() << key->bind() << "\n";
}
}
} else {
if (core::application()->connected() && core::localcontrol() && !console()->visible() && !chat::visible()) {
char c = key->bind().c_str()[0];
if (c == '+' || c == '-') {
// action bind
action_release(key->bind());
}
}
}
}
}
mouse_control = false;
mouse_deadzone = false;
if (core::application()->connected() && core::localcontrol()) {
mouse_control = !console()->visible() && ((input_mousecontrol->value() > 0) || mouse_control_override);
if (mouse_control) {
// the mouse will not react if it is in the deadzone
int deadzone_size = 8;
mouse_deadzone = true;
// direction
int l = mouse_x - (video::width >> 1);
if (abs(l) < ( deadzone_size >> 1 )) {
// dead zone
mouse_direction = 0;
} else {
l = (mouse_x - deadzone_size) - ((video::width - deadzone_size) >> 1);
mouse_direction = float (-l) / (float) ((video::width - deadzone_size) >> 1);
mouse_deadzone = false;
}
// pitch
int h = mouse_y - (video::height >> 1);
if (abs(h) < ( deadzone_size >> 1 )) {
// dead zone
mouse_pitch = 0;
} else {
h = (mouse_y - deadzone_size) - ((video::height - deadzone_size) >> 1);
mouse_pitch = float (-h) / (float) ((video::height - deadzone_size) >> 1);
mouse_deadzone = false;
}
if ((render::Camera::mode() == render::Camera::Track) || (render::Camera::mode() == render::Camera::Cockpit)) {
local_direction = mouse_direction * math::absf(mouse_direction);
local_pitch = mouse_pitch * math::absf(mouse_pitch);
} else if (render::Camera::mode() == render::Camera::Free) {
// squared values to smoothen camera movement
render::Camera::set_direction( -mouse_direction * math::absf(mouse_direction));
render::Camera::set_pitch(-mouse_pitch * math::absf(mouse_pitch));
}
} else {
/*
const float MIN_DELTA = 10e-10;
const float ANGLE_DELTA = 0.01f;
math::Axis target_axis; // FIXME
float cosangle;
const math::Axis & entity_axis= core::localcontrol()->axis();
// auto-level: pitch
local_pitch = 0;
// project target_axis.up() into the plane with axis->left() normal
math::Vector3f n = entity_axis.left();
math::Vector3f p = target_axis.up();
float u = p[0]*n[0] + p[1]*n[1] + p[2]*n[2] / (-n[0]*n[0] - n[1]*n[1] - n[2] * n[2]);
p = target_axis.up() + u * n;
float side = entity_axis.forward().x * p.x +
entity_axis.forward().y * p.y +
entity_axis.forward().z * p.z;
if ((fabs(side) - MIN_DELTA > 0)) {
cosangle = math::dotproduct(p, entity_axis.up());
if (fabs(cosangle) + ANGLE_DELTA < 1 ) {
local_pitch = -3 * math::sgnf(side) * (1-cosangle);
}
}
// auto-level: roll
local_roll = 0;
// project target_axis.up() into the plane with axis.forward() normal
n = entity_axis.forward();
p = target_axis.up();
u = p[0]*n[0] + p[1]*n[1] + p[2]*n[2] / (-n[0]*n[0] - n[1]*n[1] - n[2] * n[2]);
p = target_axis.up() + u * n;
side = entity_axis.left().x * p.x +
entity_axis.left().y * p.y +
entity_axis.left().z * p.z;
if ((fabs(side) - MIN_DELTA > 0)) {
cosangle = math::dotproduct(p, entity_axis.up());
if (fabs(cosangle) + ANGLE_DELTA < 1 ) {
local_roll = 3 * math::sgnf(side) * (1-cosangle);
}
}
*/
}
math::clamp(local_direction, -1.0f, 1.0f);
math::clamp(local_pitch, -1.0f, 1.0f);
math::clamp(local_thrust, 0.0f, 1.0f);
math::clamp(local_roll, -1.0f, 1.0f);
core::localcontrol()->set_thrust(local_thrust);
core::localcontrol()->set_direction(local_direction);
core::localcontrol()->set_pitch(local_pitch / render::Camera::aspect() );
core::localcontrol()->set_roll(local_roll);
}
}
} // namespace input
} // namespace client
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