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openspades/Sources/Gui/SDLRunner.cpp

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/*
Copyright (c) 2013 yvt
This file is part of OpenSpades.
OpenSpades 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 3 of the License, or
(at your option) any later version.
OpenSpades 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 OpenSpades. If not, see <http://www.gnu.org/licenses/>.
*/
#include <OpenSpades.h>
#include "SDLGLDevice.h"
#include <memory>
#include <cstring>
#include "SDLRunner.h"
#include <FL/Fl.H> // for FLTK message pumping
#include <Draw/GLRenderer.h>
#include <Client/Client.h>
#include <Audio/ALDevice.h>
#include <Audio/YsrDevice.h>
#include <ctype.h>
#include <Core/Debug.h>
#include <Core/Settings.h>
#include <Core/ConcurrentDispatch.h>
#include <Core/Math.h>
#include <Draw/SWRenderer.h>
#include <Draw/SWPort.h>
SPADES_SETTING(r_videoWidth, "1024");
SPADES_SETTING(r_videoHeight, "640");
SPADES_SETTING(r_fullscreen, "0");
SPADES_SETTING(r_colorBits, "32");
SPADES_SETTING(r_depthBits, "16");
SPADES_SETTING(r_vsync, "1");
SPADES_SETTING(r_allowSoftwareRendering, "0");
SPADES_SETTING(r_renderer, "gl");
SPADES_SETTING(s_audioDriver, "openal");
namespace spades {
namespace gui {
SDLRunner::SDLRunner() {
}
SDLRunner::~SDLRunner() {
}
client::IAudioDevice *SDLRunner::CreateAudioDevice() {
if(EqualsIgnoringCase(s_audioDriver, "openal")) {
return new audio::ALDevice();
}else if(EqualsIgnoringCase(s_audioDriver, "ysr")) {
return new audio::YsrDevice();
}else{
SPRaise("Unknown audio driver name: %s (openal or ysr expected)", s_audioDriver.CString());
}
}
std::string SDLRunner::TranslateButton(Uint8 b){
SPADES_MARK_FUNCTION();
switch(b){
case SDL_BUTTON_LEFT: return "LeftMouseButton";
case SDL_BUTTON_RIGHT: return "RightMouseButton";
case SDL_BUTTON_MIDDLE: return "MiddleMouseButton";
case SDL_BUTTON_X1: return "MouseButton4";
case SDL_BUTTON_X2: return "MouseButton5";
default: return std::string();
}
}
std::string SDLRunner::TranslateKey(const SDL_Keysym &k){
SPADES_MARK_FUNCTION();
switch(k.sym){
case SDLK_ESCAPE:
return "Escape";
case SDLK_LEFT:
return "Left";
case SDLK_RIGHT:
return "Right";
case SDLK_UP:
return "Up";
case SDLK_DOWN:
return "Down";
case SDLK_SPACE:
return " ";
case SDLK_TAB:
return "Tab";
case SDLK_BACKSPACE:
case 127:
return "BackSpace";
case SDLK_RETURN:
return "Enter";
case SDLK_SLASH:
return "/";
default:
if((k.sym >= 0 && k.sym < 128 && isalnum(k.sym))){
static std::string charKeys[128];
int ind = k.sym;
if(charKeys[ind].empty())
charKeys[ind] += (char)k.sym;
return charKeys[ind];
}
return std::string();
}
}
int SDLRunner::GetModState() {
return SDL_GetModState();
}
void SDLRunner::ProcessEvent(SDL_Event &event,
View *view) {
switch (event.type) {
case SDL_QUIT:
view->Closing();
//running = false;
break;
case SDL_MOUSEBUTTONDOWN:
view->KeyEvent(TranslateButton(event.button.button), true);
break;
case SDL_MOUSEBUTTONUP:
view->KeyEvent(TranslateButton(event.button.button), false);
break;
case SDL_MOUSEMOTION:
if( mActive ) {
view->MouseEvent(event.motion.xrel, event.motion.yrel);
}
break;
case SDL_MOUSEWHEEL:
view->WheelEvent(-event.wheel.x, -event.wheel.y);
break;
case SDL_KEYDOWN:
view->KeyEvent(TranslateKey(event.key.keysym),
true);
break;
case SDL_KEYUP:
view->KeyEvent(TranslateKey(event.key.keysym),
false);
break;
case SDL_TEXTINPUT:
view->TextInputEvent(event.text.text);
break;
case SDL_TEXTEDITING:
view->TextEditingEvent(event.edit.text, event.edit.start, event.edit.length);
break;
case SDL_WINDOWEVENT:
if(event.window.type == SDL_WINDOWEVENT_FOCUS_GAINED){
SDL_ShowCursor(0);
SDL_SetRelativeMouseMode( SDL_TRUE );
mActive = true;
}else if( event.window.type == SDL_WINDOWEVENT_FOCUS_LOST ) {
SDL_SetRelativeMouseMode( SDL_FALSE );
mActive = false;
SDL_ShowCursor(1);
}
break;
default:
break;
}
}
void SDLRunner::RunClientLoop(spades::client::IRenderer *renderer, spades::client::IAudioDevice *audio)
{
{
Handle<View> view(CreateView(renderer, audio), false);
Uint32 ot = SDL_GetTicks();
bool running = true;
bool lastShift = false;
bool lastCtrl = false;
bool editing = false;
bool lastGui = false;
bool lastAlt = false;
SPLog("Starting Client Loop");
while(running){
SDL_Event event;
DispatchQueue::GetThreadQueue()->ProcessQueue();
Uint32 dt = SDL_GetTicks() - ot;
ot += dt;
if((int32_t)dt > 0)
view->RunFrame((float)dt / 1000.f);
if(view->WantsToBeClosed()){
view->Closing();
running = false;
SPLog("Close requested by Client");
break;
}
int modState = GetModState();
if(modState & (KMOD_CTRL | KMOD_LCTRL | KMOD_RCTRL)){
if(!lastCtrl){
view->KeyEvent("Control", true);
lastCtrl = true;
}
}else{
if(lastCtrl){
view->KeyEvent("Control", false);
lastCtrl = false;
}
}
if(modState & KMOD_SHIFT){
if(!lastShift){
view->KeyEvent("Shift", true);
lastShift = true;
}
}else{
if(lastShift){
view->KeyEvent("Shift", false);
lastShift = false;
}
}
if(modState & KMOD_GUI){
if(!lastGui){
view->KeyEvent("Meta", true);
lastGui = true;
}
}else{
if(lastGui){
view->KeyEvent("Meta", false);
lastGui = false;
}
}
if(modState & KMOD_ALT){
if(!lastAlt){
view->KeyEvent("Alt", true);
lastAlt = true;
}
}else{
if(lastAlt){
view->KeyEvent("Alt", false);
lastAlt = false;
}
}
bool ed = view->AcceptsTextInput();
if(ed && !editing) {
SDL_StartTextInput();
}else if(!ed && editing){
SDL_StopTextInput();
}
editing = ed;
if(editing){
AABB2 rt = view->GetTextInputRect();
SDL_Rect srt;
srt.x = (int)rt.GetMinX();
srt.y = (int)rt.GetMinY();
srt.w = (int)rt.GetWidth();
srt.h = (int)rt.GetHeight();
SDL_SetTextInputRect(&srt);
}
while(SDL_PollEvent(&event)) {
ProcessEvent(event, view);
}
//Fl::check();
}
SPLog("Leaving Client Loop");
}
}
auto SDLRunner::GetRendererType() -> RendererType {
if(EqualsIgnoringCase(r_renderer, "gl"))
return RendererType::GL;
else if(EqualsIgnoringCase(r_renderer, "sw"))
return RendererType::SW;
else
SPRaise("Unknown renderer name: %s", r_renderer.CString());
}
class SDLSWPort: public draw::SWPort {
SDL_Window *wnd;
SDL_Surface *surface;
bool adjusted;
int actualW, actualH;
Handle<Bitmap> framebuffer;
void SetFramebufferBitmap() {
if(adjusted){
framebuffer.Set
(new Bitmap(actualW, actualH), false);
}else{
framebuffer.Set
(new Bitmap(reinterpret_cast<uint32_t*>(surface->pixels), surface->w, surface->h), false);
}
}
protected:
virtual ~SDLSWPort() {
if(surface && SDL_MUSTLOCK(surface)) {
SDL_UnlockSurface(surface);
}
}
public:
SDLSWPort(SDL_Window *wnd):
wnd(wnd),
surface(nullptr){
surface = SDL_GetWindowSurface(wnd);
// FIXME: check pixel format
if(SDL_MUSTLOCK(surface)) {
SDL_LockSurface(surface);
}
actualW = surface->w & ~7;
actualH = surface->h & ~7;
if(actualW != surface->w ||
actualH != surface->h) {
SPLog("Surface size %dx%d doesn't match the software renderer's"
" requirements. Rounded to %dx%d using an intermediate surface.",
surface->w, surface->h, actualW, actualH);
adjusted = true;
memset(surface->pixels, 0, surface->w * surface->h * 4);
}else{
adjusted = false;
}
SetFramebufferBitmap();
}
virtual Bitmap *GetFramebuffer() {
return framebuffer;
}
virtual void Swap() {
if(adjusted) {
int sy = (surface->h - actualH) >> 1;
int sx = (surface->w - actualW) >> 1;
uint32_t *outPixels = reinterpret_cast<uint32_t *>(surface->pixels);
outPixels += sx + sy * (surface->pitch >> 2);
uint32_t *inPixels = framebuffer->GetPixels();
for(int y = 0; y < actualH; y++) {
std::memcpy(outPixels, inPixels, actualW * 4);
outPixels += surface->pitch >> 2;
inPixels += actualW;
}
}
if(SDL_MUSTLOCK(surface)) {
SDL_UnlockSurface(surface);
}
SDL_UpdateWindowSurface(wnd);
if(SDL_MUSTLOCK(surface)) {
SDL_LockSurface(surface);
if(!adjusted){
SetFramebufferBitmap();
}
}
}
};
client::IRenderer *SDLRunner::CreateRenderer(SDL_Window *wnd) {
switch(GetRendererType()) {
case RendererType::GL:
{
Handle<SDLGLDevice> glDevice(new SDLGLDevice(wnd), false);
return new draw::GLRenderer(glDevice);
}
case RendererType::SW:
{
Handle<SDLSWPort> port(new SDLSWPort(wnd), false);
return new draw::SWRenderer(port);
}
default:
SPRaise("Invalid renderer type");
}
}
void SDLRunner::Run() {
SPADES_MARK_FUNCTION();
SDL_Init(SDL_INIT_VIDEO);
try{
{
SDL_version linked;
SDL_GetVersion(&linked);
SPLog("SDL Version: %d.%d.%d %s", linked.major, linked.minor, linked.patch,
SDL_GetRevision());
}
std::string caption;
{
caption = PACKAGE_STRING;
#if !NDEBUG
caption.append( " DEBUG build" );
#endif
#ifdef OPENSPADES_COMPILER_STR
caption.append( " " OPENSPADES_COMPILER_STR ); //add compiler to window title
#endif
}
SDL_Window *window;
auto rtype = GetRendererType();
Uint32 sdlFlags;
switch(rtype) {
case RendererType::GL:
sdlFlags = SDL_WINDOW_OPENGL;
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, r_depthBits);
SDL_GL_SetSwapInterval(r_vsync);
if(!r_allowSoftwareRendering)
SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1);
/* someday...
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
*/
break;
case RendererType::SW:
sdlFlags = 0;
break;
}
if(r_fullscreen)
sdlFlags |= SDL_WINDOW_FULLSCREEN;
#ifdef __MACOSX__
if(!r_fullscreen)
sdlFlags |= SDL_WINDOW_BORDERLESS;
#endif
int w = r_videoWidth;
int h = r_videoHeight;
window = SDL_CreateWindow(caption.c_str(),
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
w, h, sdlFlags);
if(!window){
std::string msg = SDL_GetError();
SPRaise("Failed to create graphics window: %s", msg.c_str());
}
SDL_SetRelativeMouseMode(SDL_TRUE);
SDL_ShowCursor(0);
mActive = true;
{
Handle<client::IRenderer> renderer(CreateRenderer(window), false);
Handle<client::IAudioDevice> audio(CreateAudioDevice(), false);
RunClientLoop(renderer, audio);
}
}catch(...){
SDL_Quit();
throw;
}
SDL_Quit();
}
}
}
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