Primitive support for gamepad camera movement
This was SVN commit r8844.
This commit is contained in:
parent
37c1c2e9b8
commit
40933c06e1
@ -173,3 +173,12 @@ hotkey.chat = Return ; Toggle chat window
|
||||
hotkey.profile.toggle = "F11" ; Enable/disable real-time profiler
|
||||
hotkey.profile.save = "Shift+F11" ; Save current profiler data to logs/profile.txt
|
||||
|
||||
; EXPERIMENTAL: joystick/gamepad settings
|
||||
joystick.enable = false
|
||||
joystick.deadzone = 8192
|
||||
joystick.camera.pan.x = 0
|
||||
joystick.camera.pan.y = 1
|
||||
joystick.camera.rotate.x = 3
|
||||
joystick.camera.rotate.y = 2
|
||||
joystick.camera.zoom.in = 5
|
||||
joystick.camera.zoom.out = 4
|
||||
|
@ -42,6 +42,7 @@
|
||||
#include "ps/Game.h"
|
||||
#include "ps/Globals.h"
|
||||
#include "ps/Hotkey.h"
|
||||
#include "ps/Joystick.h"
|
||||
#include "ps/Loader.h"
|
||||
#include "ps/LoaderThunks.h"
|
||||
#include "ps/Profile.h"
|
||||
@ -176,6 +177,12 @@ public:
|
||||
ViewZoomMin(0),
|
||||
ViewZoomMax(0),
|
||||
ViewZoomDefault(0),
|
||||
JoystickPanX(-1),
|
||||
JoystickPanY(-1),
|
||||
JoystickRotateX(-1),
|
||||
JoystickRotateY(-1),
|
||||
JoystickZoomIn(-1),
|
||||
JoystickZoomOut(-1),
|
||||
|
||||
PosX(0, 0, 0.01f),
|
||||
PosY(0, 0, 0.01f),
|
||||
@ -264,6 +271,12 @@ public:
|
||||
float ViewZoomMin;
|
||||
float ViewZoomMax;
|
||||
float ViewZoomDefault;
|
||||
int JoystickPanX;
|
||||
int JoystickPanY;
|
||||
int JoystickRotateX;
|
||||
int JoystickRotateY;
|
||||
int JoystickZoomIn;
|
||||
int JoystickZoomOut;
|
||||
|
||||
////////////////////////////////////////
|
||||
// Camera Controls State
|
||||
@ -375,6 +388,13 @@ int CGameView::Initialize()
|
||||
CFG_GET_SYS_VAL("view.zoom.max", Float, m->ViewZoomMax);
|
||||
CFG_GET_SYS_VAL("view.zoom.default", Float, m->ViewZoomDefault);
|
||||
|
||||
CFG_GET_SYS_VAL("joystick.camera.pan.x", Int, m->JoystickPanX);
|
||||
CFG_GET_SYS_VAL("joystick.camera.pan.y", Int, m->JoystickPanY);
|
||||
CFG_GET_SYS_VAL("joystick.camera.rotate.x", Int, m->JoystickRotateX);
|
||||
CFG_GET_SYS_VAL("joystick.camera.rotate.y", Int, m->JoystickRotateY);
|
||||
CFG_GET_SYS_VAL("joystick.camera.zoom.in", Int, m->JoystickZoomIn);
|
||||
CFG_GET_SYS_VAL("joystick.camera.zoom.out", Int, m->JoystickZoomOut);
|
||||
|
||||
CFG_GET_SYS_VAL("view.pos.smoothness", Float, m->PosX.m_Smoothness);
|
||||
CFG_GET_SYS_VAL("view.pos.smoothness", Float, m->PosY.m_Smoothness);
|
||||
CFG_GET_SYS_VAL("view.pos.smoothness", Float, m->PosZ.m_Smoothness);
|
||||
@ -647,6 +667,22 @@ void CGameView::Update(float DeltaTime)
|
||||
if (HotkeyIsPressed("camera.down"))
|
||||
moveForward -= m->ViewScrollSpeed * DeltaTime;
|
||||
|
||||
if (g_Joystick.IsEnabled())
|
||||
{
|
||||
// This could all be improved with extra speed and sensitivity settings
|
||||
// (maybe use pow to allow finer control?), and inversion settings
|
||||
|
||||
moveRightward += g_Joystick.GetAxisValue(m->JoystickPanX) * m->ViewScrollSpeed * DeltaTime;
|
||||
moveForward -= g_Joystick.GetAxisValue(m->JoystickPanY) * m->ViewScrollSpeed * DeltaTime;
|
||||
|
||||
m->RotateX.AddSmoothly(g_Joystick.GetAxisValue(m->JoystickRotateX) * m->ViewRotateXSpeed * DeltaTime);
|
||||
m->RotateY.AddSmoothly(-g_Joystick.GetAxisValue(m->JoystickRotateY) * m->ViewRotateYSpeed * DeltaTime);
|
||||
|
||||
// Use a +1 bias for zoom because I want this to work with trigger buttons that default to -1
|
||||
m->Zoom.AddSmoothly((g_Joystick.GetAxisValue(m->JoystickZoomIn) + 1.0f) / 2.0f * m->ViewZoomSpeed * DeltaTime);
|
||||
m->Zoom.AddSmoothly(-(g_Joystick.GetAxisValue(m->JoystickZoomOut) + 1.0f) / 2.0f * m->ViewZoomSpeed * DeltaTime);
|
||||
}
|
||||
|
||||
if (moveRightward || moveForward)
|
||||
{
|
||||
// Break out of following mode when the user starts scrolling
|
||||
|
@ -684,6 +684,35 @@ int SDL_EnableUNICODE(int UNUSED(enable))
|
||||
}
|
||||
|
||||
|
||||
//----------------------------------------------------------------------------
|
||||
// joystick
|
||||
|
||||
int SDL_NumJoysticks()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int SDL_JoystickEventState(int UNUSED(state))
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
SDL_Joystick* SDL_JoystickOpen(int UNUSED(device_index))
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int SDL_JoystickNumAxes(SDL_Joystick* UNUSED(joystick))
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
Sint16 SDL_JoystickGetAxis(SDL_Joystick* UNUSED(joystick), int UNUSED(axis))
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
//----------------------------------------------------------------------------
|
||||
// app activation
|
||||
|
||||
|
@ -33,6 +33,7 @@
|
||||
|
||||
typedef u8 Uint8;
|
||||
typedef u16 Uint16;
|
||||
typedef i16 Sint16;
|
||||
typedef u32 Uint32;
|
||||
|
||||
|
||||
@ -40,6 +41,7 @@ typedef u32 Uint32;
|
||||
#define SDL_INIT_VIDEO 0
|
||||
#define SDL_INIT_AUDIO 0
|
||||
#define SDL_INIT_TIMER 0
|
||||
#define SDL_INIT_JOYSTICK 0
|
||||
#define SDL_INIT_NOPARACHUTE 0
|
||||
|
||||
LIB_API int SDL_Init(Uint32 flags);
|
||||
@ -139,6 +141,18 @@ LIB_API Uint8 SDL_GetMouseState(int* x, int* y);
|
||||
LIB_API Uint8* SDL_GetKeyState(int* num_keys);
|
||||
|
||||
|
||||
//
|
||||
// joystick
|
||||
//
|
||||
|
||||
typedef void* SDL_Joystick;
|
||||
int SDL_NumJoysticks();
|
||||
int SDL_JoystickEventState(int state);
|
||||
SDL_Joystick* SDL_JoystickOpen(int device_index);
|
||||
int SDL_JoystickNumAxes(SDL_Joystick* joystick);
|
||||
Sint16 SDL_JoystickGetAxis(SDL_Joystick* joystick, int axis);
|
||||
|
||||
|
||||
//
|
||||
// byte swapping
|
||||
//
|
||||
|
@ -44,6 +44,7 @@
|
||||
#include "ps/Game.h"
|
||||
#include "ps/Globals.h"
|
||||
#include "ps/Hotkey.h"
|
||||
#include "ps/Joystick.h"
|
||||
#include "ps/Loader.h"
|
||||
#include "ps/Overlay.h"
|
||||
#include "ps/Profile.h"
|
||||
@ -528,6 +529,8 @@ static void InitInput()
|
||||
{
|
||||
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
|
||||
|
||||
g_Joystick.Initialise();
|
||||
|
||||
// register input handlers
|
||||
// This stack is constructed so the first added, will be the last
|
||||
// one called. This is important, because each of the handlers
|
||||
|
86
source/ps/Joystick.cpp
Normal file
86
source/ps/Joystick.cpp
Normal file
@ -0,0 +1,86 @@
|
||||
/* Copyright (C) 2010 Wildfire Games.
|
||||
* This file is part of 0 A.D.
|
||||
*
|
||||
* 0 A.D. 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.
|
||||
*
|
||||
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include "precompiled.h"
|
||||
|
||||
#include "Joystick.h"
|
||||
|
||||
#include "lib/external_libraries/sdl.h"
|
||||
#include "ps/CLogger.h"
|
||||
#include "ps/ConfigDB.h"
|
||||
|
||||
CJoystick g_Joystick;
|
||||
|
||||
CJoystick::CJoystick() :
|
||||
m_Joystick(NULL), m_Deadzone(0)
|
||||
{
|
||||
}
|
||||
|
||||
void CJoystick::Initialise()
|
||||
{
|
||||
bool joystickEnable = false;
|
||||
CFG_GET_USER_VAL("joystick.enable", Bool, joystickEnable);
|
||||
if (!joystickEnable)
|
||||
return;
|
||||
|
||||
CFG_GET_USER_VAL("joystick.deadzone", Int, m_Deadzone);
|
||||
|
||||
if (SDL_InitSubSystem(SDL_INIT_JOYSTICK) < 0)
|
||||
{
|
||||
LOGERROR(L"InitInput: failed to initialise joystick");
|
||||
return;
|
||||
}
|
||||
|
||||
int numJoysticks = SDL_NumJoysticks();
|
||||
|
||||
LOGMESSAGE(L"Found %d joystick(s)", numJoysticks);
|
||||
|
||||
for (int i = 0; i < numJoysticks; ++i)
|
||||
LOGMESSAGE(L"Joystick %d: %s", i, SDL_JoystickName(i));
|
||||
|
||||
if (numJoysticks)
|
||||
{
|
||||
SDL_JoystickEventState(SDL_ENABLE);
|
||||
|
||||
// Always pick the first joystick, and assume that's the right one
|
||||
m_Joystick = SDL_JoystickOpen(0);
|
||||
}
|
||||
}
|
||||
|
||||
bool CJoystick::IsEnabled()
|
||||
{
|
||||
return (m_Joystick != NULL);
|
||||
}
|
||||
|
||||
float CJoystick::GetAxisValue(int axis)
|
||||
{
|
||||
if (!m_Joystick || axis < 0 || axis >= SDL_JoystickNumAxes(m_Joystick))
|
||||
return 0.f;
|
||||
|
||||
int16_t val = SDL_JoystickGetAxis(m_Joystick, axis);
|
||||
|
||||
// Normalize values into the range [-1, +1] excluding the deadzone around 0
|
||||
float norm;
|
||||
if (val > m_Deadzone)
|
||||
norm = (val - m_Deadzone) / (float)(32767 - m_Deadzone);
|
||||
else if (val < -m_Deadzone)
|
||||
norm = (val + m_Deadzone) / (float)(32767 - m_Deadzone);
|
||||
else
|
||||
norm = 0.f;
|
||||
|
||||
return norm;
|
||||
}
|
50
source/ps/Joystick.h
Normal file
50
source/ps/Joystick.h
Normal file
@ -0,0 +1,50 @@
|
||||
/* Copyright (C) 2010 Wildfire Games.
|
||||
* This file is part of 0 A.D.
|
||||
*
|
||||
* 0 A.D. 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.
|
||||
*
|
||||
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef INCLUDED_JOYSTICK
|
||||
#define INCLUDED_JOYSTICK
|
||||
|
||||
#include "lib/external_libraries/sdl.h"
|
||||
|
||||
class CJoystick
|
||||
{
|
||||
public:
|
||||
CJoystick();
|
||||
|
||||
/**
|
||||
* Initialises joystick support.
|
||||
*/
|
||||
void Initialise();
|
||||
|
||||
/**
|
||||
* Returns true if initialised and the joystick is present and enabled by configuration.
|
||||
*/
|
||||
bool IsEnabled();
|
||||
|
||||
/**
|
||||
* Returns current value of the given joystick axis, in the range [-1, +1].
|
||||
*/
|
||||
float GetAxisValue(int axis);
|
||||
|
||||
private:
|
||||
SDL_Joystick* m_Joystick;
|
||||
int m_Deadzone;
|
||||
};
|
||||
|
||||
extern CJoystick g_Joystick;
|
||||
|
||||
#endif // INCLUDED_JOYSTICK
|
Loading…
Reference in New Issue
Block a user