682 lines
13 KiB
C++
682 lines
13 KiB
C++
/*
|
|
** input.cpp
|
|
**
|
|
** This file is part of mkxp.
|
|
**
|
|
** Copyright (C) 2013 Jonas Kulla <Nyocurio@gmail.com>
|
|
**
|
|
** mkxp is free software: you can redistribute it and/or modify
|
|
** it under the terms of the GNU General Public License as published by
|
|
** the Free Software Foundation, either version 2 of the License, or
|
|
** (at your option) any later version.
|
|
**
|
|
** mkxp is distributed in the hope that it will be useful,
|
|
** but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
** GNU General Public License for more details.
|
|
**
|
|
** You should have received a copy of the GNU General Public License
|
|
** along with mkxp. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "input.h"
|
|
#include "sharedstate.h"
|
|
#include "eventthread.h"
|
|
#include "keybindings.h"
|
|
#include "exception.h"
|
|
#include "util.h"
|
|
|
|
#include <SDL_scancode.h>
|
|
#include <SDL_mouse.h>
|
|
|
|
#include <vector>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
|
|
#define BUTTON_CODE_COUNT 24
|
|
|
|
struct ButtonState
|
|
{
|
|
bool pressed;
|
|
bool triggered;
|
|
bool repeated;
|
|
|
|
ButtonState()
|
|
: pressed(false),
|
|
triggered(false),
|
|
repeated(false)
|
|
{}
|
|
};
|
|
|
|
struct KbBindingData
|
|
{
|
|
SDL_Scancode source;
|
|
Input::ButtonCode target;
|
|
};
|
|
|
|
struct Binding
|
|
{
|
|
Binding(Input::ButtonCode target = Input::None)
|
|
: target(target)
|
|
{}
|
|
|
|
virtual bool sourceActive() const = 0;
|
|
virtual bool sourceRepeatable() const = 0;
|
|
|
|
Input::ButtonCode target;
|
|
};
|
|
|
|
/* Keyboard binding */
|
|
struct KbBinding : public Binding
|
|
{
|
|
KbBinding() {}
|
|
|
|
KbBinding(const KbBindingData &data)
|
|
: Binding(data.target),
|
|
source(data.source)
|
|
{}
|
|
|
|
bool sourceActive() const
|
|
{
|
|
/* Special case aliases */
|
|
if (source == SDL_SCANCODE_LSHIFT)
|
|
return EventThread::keyStates[source]
|
|
|| EventThread::keyStates[SDL_SCANCODE_RSHIFT];
|
|
|
|
if (source == SDL_SCANCODE_RETURN)
|
|
return EventThread::keyStates[source]
|
|
|| EventThread::keyStates[SDL_SCANCODE_KP_ENTER];
|
|
|
|
return EventThread::keyStates[source];
|
|
}
|
|
|
|
bool sourceRepeatable() const
|
|
{
|
|
return (source >= SDL_SCANCODE_A && source <= SDL_SCANCODE_0) ||
|
|
(source >= SDL_SCANCODE_RIGHT && source <= SDL_SCANCODE_UP) ||
|
|
(source >= SDL_SCANCODE_F1 && source <= SDL_SCANCODE_F12);
|
|
}
|
|
|
|
SDL_Scancode source;
|
|
};
|
|
|
|
/* Joystick button binding */
|
|
struct JsButtonBinding : public Binding
|
|
{
|
|
JsButtonBinding() {}
|
|
|
|
bool sourceActive() const
|
|
{
|
|
return EventThread::joyState.buttons[source];
|
|
}
|
|
|
|
bool sourceRepeatable() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
uint8_t source;
|
|
};
|
|
|
|
/* Joystick axis binding */
|
|
struct JsAxisBinding : public Binding
|
|
{
|
|
JsAxisBinding() {}
|
|
|
|
JsAxisBinding(uint8_t source,
|
|
AxisDir dir,
|
|
Input::ButtonCode target)
|
|
: Binding(target),
|
|
source(source),
|
|
dir(dir)
|
|
{}
|
|
|
|
bool sourceActive() const
|
|
{
|
|
int val = EventThread::joyState.axes[source];
|
|
|
|
if (dir == Negative)
|
|
return val < -JAXIS_THRESHOLD;
|
|
else /* dir == Positive */
|
|
return val > JAXIS_THRESHOLD;
|
|
}
|
|
|
|
bool sourceRepeatable() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
uint8_t source;
|
|
AxisDir dir;
|
|
};
|
|
|
|
/* Joystick hat binding */
|
|
struct JsHatBinding : public Binding
|
|
{
|
|
JsHatBinding() {}
|
|
|
|
JsHatBinding(uint8_t source,
|
|
uint8_t pos,
|
|
Input::ButtonCode target)
|
|
: Binding(target),
|
|
source(source),
|
|
pos(pos)
|
|
{}
|
|
|
|
bool sourceActive() const
|
|
{
|
|
/* For a diagonal input accept it as an input for both the axes */
|
|
return (pos & EventThread::joyState.hats[source]) != 0;
|
|
}
|
|
|
|
bool sourceRepeatable() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
uint8_t source;
|
|
uint8_t pos;
|
|
};
|
|
|
|
/* Mouse button binding */
|
|
struct MsBinding : public Binding
|
|
{
|
|
MsBinding() {}
|
|
|
|
MsBinding(int buttonIndex,
|
|
Input::ButtonCode target)
|
|
: Binding(target),
|
|
index(buttonIndex)
|
|
{}
|
|
|
|
bool sourceActive() const
|
|
{
|
|
return EventThread::mouseState.buttons[index];
|
|
}
|
|
|
|
bool sourceRepeatable() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
int index;
|
|
};
|
|
|
|
/* Not rebindable */
|
|
static const KbBindingData staticKbBindings[] =
|
|
{
|
|
{ SDL_SCANCODE_LSHIFT, Input::Shift },
|
|
{ SDL_SCANCODE_RSHIFT, Input::Shift },
|
|
{ SDL_SCANCODE_LCTRL, Input::Ctrl },
|
|
{ SDL_SCANCODE_RCTRL, Input::Ctrl },
|
|
{ SDL_SCANCODE_LALT, Input::Alt },
|
|
{ SDL_SCANCODE_RALT, Input::Alt },
|
|
{ SDL_SCANCODE_F5, Input::F5 },
|
|
{ SDL_SCANCODE_F6, Input::F6 },
|
|
{ SDL_SCANCODE_F7, Input::F7 },
|
|
{ SDL_SCANCODE_F8, Input::F8 },
|
|
{ SDL_SCANCODE_F9, Input::F9 }
|
|
};
|
|
|
|
static elementsN(staticKbBindings);
|
|
|
|
/* Maps ButtonCode enum values to indices
|
|
* in the button state array */
|
|
static const int mapToIndex[] =
|
|
{
|
|
0, 0,
|
|
1, 0, 2, 0, 3, 0, 4, 0,
|
|
0,
|
|
5, 6, 7, 8, 9, 10, 11, 12,
|
|
0, 0,
|
|
13, 14, 15,
|
|
0,
|
|
16, 17, 18, 19, 20,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
21, 22, 23
|
|
};
|
|
|
|
static elementsN(mapToIndex);
|
|
|
|
static const Input::ButtonCode dirs[] =
|
|
{ Input::Down, Input::Left, Input::Right, Input::Up };
|
|
|
|
static const int dirFlags[] =
|
|
{
|
|
1 << Input::Down,
|
|
1 << Input::Left,
|
|
1 << Input::Right,
|
|
1 << Input::Up
|
|
};
|
|
|
|
/* Dir4 is always zero on these combinations */
|
|
static const int deadDirFlags[] =
|
|
{
|
|
dirFlags[0] | dirFlags[3],
|
|
dirFlags[1] | dirFlags[2]
|
|
};
|
|
|
|
static const Input::ButtonCode otherDirs[4][3] =
|
|
{
|
|
{ Input::Left, Input::Right, Input::Up }, /* Down */
|
|
{ Input::Down, Input::Up, Input::Right }, /* Left */
|
|
{ Input::Down, Input::Up, Input::Left }, /* Right */
|
|
{ Input::Left, Input::Right, Input::Up } /* Up */
|
|
};
|
|
|
|
struct InputPrivate
|
|
{
|
|
std::vector<KbBinding> kbStatBindings;
|
|
std::vector<KbBinding> kbBindings;
|
|
std::vector<JsAxisBinding> jsABindings;
|
|
std::vector<JsHatBinding> jsHBindings;
|
|
std::vector<JsButtonBinding> jsBBindings;
|
|
std::vector<MsBinding> msBindings;
|
|
|
|
/* Collective binding array */
|
|
std::vector<Binding*> bindings;
|
|
|
|
ButtonState stateArray[BUTTON_CODE_COUNT*2];
|
|
|
|
ButtonState *states;
|
|
ButtonState *statesOld;
|
|
|
|
Input::ButtonCode repeating;
|
|
unsigned int repeatCount;
|
|
|
|
struct
|
|
{
|
|
int active;
|
|
Input::ButtonCode previous;
|
|
} dir4Data;
|
|
|
|
struct
|
|
{
|
|
int active;
|
|
} dir8Data;
|
|
|
|
|
|
InputPrivate(const RGSSThreadData &rtData)
|
|
{
|
|
initStaticKbBindings();
|
|
initMsBindings();
|
|
|
|
/* Main thread should have these posted by now */
|
|
checkBindingChange(rtData);
|
|
|
|
states = stateArray;
|
|
statesOld = stateArray + BUTTON_CODE_COUNT;
|
|
|
|
/* Clear buffers */
|
|
clearBuffer();
|
|
swapBuffers();
|
|
clearBuffer();
|
|
|
|
repeating = Input::None;
|
|
repeatCount = 0;
|
|
|
|
dir4Data.active = 0;
|
|
dir4Data.previous = Input::None;
|
|
|
|
dir8Data.active = 0;
|
|
}
|
|
|
|
inline ButtonState &getStateCheck(int code)
|
|
{
|
|
int index;
|
|
|
|
if (code < 0 || (size_t) code > mapToIndexN-1)
|
|
index = 0;
|
|
else
|
|
index = mapToIndex[code];
|
|
|
|
return states[index];
|
|
}
|
|
|
|
inline ButtonState &getState(Input::ButtonCode code)
|
|
{
|
|
return states[mapToIndex[code]];
|
|
}
|
|
|
|
inline ButtonState &getOldState(Input::ButtonCode code)
|
|
{
|
|
return statesOld[mapToIndex[code]];
|
|
}
|
|
|
|
void swapBuffers()
|
|
{
|
|
ButtonState *tmp = states;
|
|
states = statesOld;
|
|
statesOld = tmp;
|
|
}
|
|
|
|
void clearBuffer()
|
|
{
|
|
const size_t size = sizeof(ButtonState) * BUTTON_CODE_COUNT;
|
|
memset(states, 0, size);
|
|
}
|
|
|
|
void checkBindingChange(const RGSSThreadData &rtData)
|
|
{
|
|
BDescVec d;
|
|
|
|
if (!rtData.bindingUpdateMsg.poll(d))
|
|
return;
|
|
|
|
applyBindingDesc(d);
|
|
}
|
|
|
|
template<class B>
|
|
void appendBindings(std::vector<B> &bind)
|
|
{
|
|
for (size_t i = 0; i < bind.size(); ++i)
|
|
bindings.push_back(&bind[i]);
|
|
}
|
|
|
|
void applyBindingDesc(const BDescVec &d)
|
|
{
|
|
kbBindings.clear();
|
|
jsABindings.clear();
|
|
jsHBindings.clear();
|
|
jsBBindings.clear();
|
|
|
|
for (size_t i = 0; i < d.size(); ++i)
|
|
{
|
|
const BindingDesc &desc = d[i];
|
|
const SourceDesc &src = desc.src;
|
|
|
|
if (desc.target == Input::None)
|
|
continue;
|
|
|
|
switch (desc.src.type)
|
|
{
|
|
case Invalid :
|
|
break;
|
|
case Key :
|
|
{
|
|
KbBinding bind;
|
|
bind.source = src.d.scan;
|
|
bind.target = desc.target;
|
|
kbBindings.push_back(bind);
|
|
|
|
break;
|
|
}
|
|
case JAxis :
|
|
{
|
|
JsAxisBinding bind;
|
|
bind.source = src.d.ja.axis;
|
|
bind.dir = src.d.ja.dir;
|
|
bind.target = desc.target;
|
|
jsABindings.push_back(bind);
|
|
|
|
break;
|
|
}
|
|
case JHat :
|
|
{
|
|
JsHatBinding bind;
|
|
bind.source = src.d.jh.hat;
|
|
bind.pos = src.d.jh.pos;
|
|
bind.target = desc.target;
|
|
jsHBindings.push_back(bind);
|
|
|
|
break;
|
|
}
|
|
case JButton :
|
|
{
|
|
JsButtonBinding bind;
|
|
bind.source = src.d.jb;
|
|
bind.target = desc.target;
|
|
jsBBindings.push_back(bind);
|
|
|
|
break;
|
|
}
|
|
default :
|
|
assert(!"unreachable");
|
|
}
|
|
}
|
|
|
|
bindings.clear();
|
|
|
|
appendBindings(kbStatBindings);
|
|
appendBindings(msBindings);
|
|
|
|
appendBindings(kbBindings);
|
|
appendBindings(jsABindings);
|
|
appendBindings(jsHBindings);
|
|
appendBindings(jsBBindings);
|
|
}
|
|
|
|
void initStaticKbBindings()
|
|
{
|
|
kbStatBindings.clear();
|
|
|
|
for (size_t i = 0; i < staticKbBindingsN; ++i)
|
|
kbStatBindings.push_back(KbBinding(staticKbBindings[i]));
|
|
}
|
|
|
|
void initMsBindings()
|
|
{
|
|
msBindings.resize(3);
|
|
|
|
size_t i = 0;
|
|
msBindings[i++] = MsBinding(SDL_BUTTON_LEFT, Input::MouseLeft);
|
|
msBindings[i++] = MsBinding(SDL_BUTTON_MIDDLE, Input::MouseMiddle);
|
|
msBindings[i++] = MsBinding(SDL_BUTTON_RIGHT, Input::MouseRight);
|
|
}
|
|
|
|
void pollBindings(Input::ButtonCode &repeatCand)
|
|
{
|
|
for (size_t i = 0; i < bindings.size(); ++i)
|
|
pollBindingPriv(*bindings[i], repeatCand);
|
|
|
|
updateDir4();
|
|
updateDir8();
|
|
}
|
|
|
|
void pollBindingPriv(const Binding &b,
|
|
Input::ButtonCode &repeatCand)
|
|
{
|
|
if (!b.sourceActive())
|
|
return;
|
|
|
|
if (b.target == Input::None)
|
|
return;
|
|
|
|
ButtonState &state = getState(b.target);
|
|
ButtonState &oldState = getOldState(b.target);
|
|
|
|
state.pressed = true;
|
|
|
|
/* Must have been released before to trigger */
|
|
if (!oldState.pressed)
|
|
state.triggered = true;
|
|
|
|
/* Unbound keys don't create/break repeat */
|
|
if (repeatCand != Input::None)
|
|
return;
|
|
|
|
if (repeating != b.target &&
|
|
!oldState.pressed)
|
|
{
|
|
if (b.sourceRepeatable())
|
|
repeatCand = b.target;
|
|
else
|
|
/* Unrepeatable keys still break current repeat */
|
|
repeating = Input::None;
|
|
}
|
|
}
|
|
|
|
void updateDir4()
|
|
{
|
|
int dirFlag = 0;
|
|
|
|
for (size_t i = 0; i < 4; ++i)
|
|
dirFlag |= (getState(dirs[i]).pressed ? dirFlags[i] : 0);
|
|
|
|
if (dirFlag == deadDirFlags[0] || dirFlag == deadDirFlags[1])
|
|
{
|
|
dir4Data.active = Input::None;
|
|
return;
|
|
}
|
|
|
|
if (dir4Data.previous != Input::None)
|
|
{
|
|
/* Check if prev still pressed */
|
|
if (getState(dir4Data.previous).pressed)
|
|
{
|
|
for (size_t i = 0; i < 3; ++i)
|
|
{
|
|
Input::ButtonCode other =
|
|
otherDirs[(dir4Data.previous/2)-1][i];
|
|
|
|
if (!getState(other).pressed)
|
|
continue;
|
|
|
|
dir4Data.active = other;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < 4; ++i)
|
|
{
|
|
if (!getState(dirs[i]).pressed)
|
|
continue;
|
|
|
|
dir4Data.active = dirs[i];
|
|
dir4Data.previous = dirs[i];
|
|
return;
|
|
}
|
|
|
|
dir4Data.active = Input::None;
|
|
dir4Data.previous = Input::None;
|
|
}
|
|
|
|
void updateDir8()
|
|
{
|
|
static const int combos[4][4] =
|
|
{
|
|
{ 2, 1, 3, 0 },
|
|
{ 1, 4, 0, 7 },
|
|
{ 3, 0, 6, 9 },
|
|
{ 0, 7, 9, 8 }
|
|
};
|
|
|
|
dir8Data.active = 0;
|
|
|
|
for (size_t i = 0; i < 4; ++i)
|
|
{
|
|
Input::ButtonCode one = dirs[i];
|
|
|
|
if (!getState(one).pressed)
|
|
continue;
|
|
|
|
for (int j = 0; j < 3; ++j)
|
|
{
|
|
Input::ButtonCode other = otherDirs[i][j];
|
|
|
|
if (!getState(other).pressed)
|
|
continue;
|
|
|
|
dir8Data.active = combos[(one/2)-1][(other/2)-1];
|
|
return;
|
|
}
|
|
|
|
dir8Data.active = one;
|
|
return;
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
Input::Input(const RGSSThreadData &rtData)
|
|
{
|
|
p = new InputPrivate(rtData);
|
|
}
|
|
|
|
void Input::update()
|
|
{
|
|
shState->checkShutdown();
|
|
p->checkBindingChange(shState->rtData());
|
|
|
|
p->swapBuffers();
|
|
p->clearBuffer();
|
|
|
|
ButtonCode repeatCand = None;
|
|
|
|
/* Poll all bindings */
|
|
p->pollBindings(repeatCand);
|
|
|
|
/* Check for new repeating key */
|
|
if (repeatCand != None && repeatCand != p->repeating)
|
|
{
|
|
p->repeating = repeatCand;
|
|
p->repeatCount = 0;
|
|
p->getState(repeatCand).repeated = true;
|
|
|
|
return;
|
|
}
|
|
|
|
/* Check if repeating key is still pressed */
|
|
if (p->getState(p->repeating).pressed)
|
|
{
|
|
p->repeatCount++;
|
|
|
|
bool repeated;
|
|
if (rgssVer >= 2)
|
|
repeated = p->repeatCount >= 23 && ((p->repeatCount+1) % 6) == 0;
|
|
else
|
|
repeated = p->repeatCount >= 15 && ((p->repeatCount+1) % 4) == 0;
|
|
|
|
p->getState(p->repeating).repeated |= repeated;
|
|
|
|
return;
|
|
}
|
|
|
|
p->repeating = None;
|
|
}
|
|
|
|
bool Input::isPressed(int button)
|
|
{
|
|
return p->getStateCheck(button).pressed;
|
|
}
|
|
|
|
bool Input::isTriggered(int button)
|
|
{
|
|
return p->getStateCheck(button).triggered;
|
|
}
|
|
|
|
bool Input::isRepeated(int button)
|
|
{
|
|
return p->getStateCheck(button).repeated;
|
|
}
|
|
|
|
int Input::dir4Value()
|
|
{
|
|
return p->dir4Data.active;
|
|
}
|
|
|
|
int Input::dir8Value()
|
|
{
|
|
return p->dir8Data.active;
|
|
}
|
|
|
|
int Input::mouseX()
|
|
{
|
|
RGSSThreadData &rtData = shState->rtData();
|
|
|
|
return (EventThread::mouseState.x - rtData.screenOffset.x) * rtData.sizeResoRatio.x;
|
|
}
|
|
|
|
int Input::mouseY()
|
|
{
|
|
RGSSThreadData &rtData = shState->rtData();
|
|
|
|
return (EventThread::mouseState.y - rtData.screenOffset.y) * rtData.sizeResoRatio.y;
|
|
}
|
|
|
|
Input::~Input()
|
|
{
|
|
delete p;
|
|
}
|