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/* Copyright (C) 2017 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 "MessageHandler.h"
#include "../GameLoop.h"
#include "../CommandProc.h"
#include "../ActorViewer.h"
#include "../View.h"
#include "graphics/GameView.h"
#include "graphics/ObjectManager.h"
#include "gui/GUIManager.h"
#include "lib/external_libraries/libsdl.h"
#include "lib/ogl.h"
#include "maths/MathUtil.h"
#include "ps/CConsole.h"
#include "ps/Game.h"
#include "ps/VideoMode.h"
#include "ps/GameSetup/Config.h"
#include "ps/GameSetup/GameSetup.h"
#include "renderer/Renderer.h"
namespace AtlasMessage {
// see comment in GameLoop.cpp about ah_display_error before using INIT_HAVE_DISPLAY_ERROR
const int g_InitFlags = INIT_HAVE_VMODE|INIT_NO_GUI;
MESSAGEHANDLER(Init)
{
UNUSED2(msg);
g_Quickstart = true;
// Mount mods if there are any specified as command line parameters
if (!Init(g_AtlasGameLoop->args, g_InitFlags | INIT_MODS|INIT_MODS_PUBLIC))
{
// There are no mods specified on the command line,
// but there are in the config file, so mount those.
Shutdown(SHUTDOWN_FROM_CONFIG);
ENSURE(Init(g_AtlasGameLoop->args, g_InitFlags));
}
// Initialise some graphics state for Atlas.
// (This must be done after Init loads the config DB,
// but before the UI constructs its GL canvases.)
g_VideoMode.InitNonSDL();
}
MESSAGEHANDLER(InitSDL)
{
UNUSED2(msg);
// When using GLX (Linux), SDL has to load the GL library to find
// glXGetProcAddressARB before it can load any extensions.
// When running in Atlas, we skip the SDL video initialisation code
// which loads the library, and so SDL_GL_GetProcAddress fails (in
// ogl.cpp importExtensionFunctions).
// (TODO: I think this is meant to be context-independent, i.e. it
// doesn't matter that we're getting extensions from SDL-initialised
// GL stuff instead of from the wxWidgets-initialised GL stuff, but that
// should be checked.)
// So, make sure it's loaded:
SDL_InitSubSystem(SDL_INIT_VIDEO);
SDL_GL_LoadLibrary(NULL); // NULL = use default
// (it shouldn't hurt if this is called multiple times, I think)
}
MESSAGEHANDLER(InitGraphics)
{
UNUSED2(msg);
ogl_Init();
InitGraphics(g_AtlasGameLoop->args, g_InitFlags, {});
#if OS_WIN
// HACK (to stop things looking very ugly when scrolling) - should
// use proper config system.
if(ogl_HaveExtension("WGL_EXT_swap_control"))
pwglSwapIntervalEXT(1);
#endif
}
MESSAGEHANDLER(Shutdown)
{
UNUSED2(msg);
// Empty the CommandProc, to get rid of its references to entities before
// we kill the EntityManager
GetCommandProc().Destroy();
AtlasView::DestroyViews();
g_AtlasGameLoop->view = AtlasView::GetView_None();
int flags = 0;
Shutdown(flags);
}
QUERYHANDLER(Exit)
{
UNUSED2(msg);
g_AtlasGameLoop->running = false;
}
MESSAGEHANDLER(RenderEnable)
{
g_AtlasGameLoop->view->SetEnabled(false);
g_AtlasGameLoop->view = AtlasView::GetView(msg->view);
g_AtlasGameLoop->view->SetEnabled(true);
}
MESSAGEHANDLER(SetViewParamB)
{
AtlasView* view = AtlasView::GetView(msg->view);
view->SetParam(*msg->name, msg->value);
}
MESSAGEHANDLER(SetViewParamI)
{
AtlasView* view = AtlasView::GetView(msg->view);
view->SetParam(*msg->name, msg->value);
}
MESSAGEHANDLER(SetViewParamC)
{
AtlasView* view = AtlasView::GetView(msg->view);
view->SetParam(*msg->name, msg->value);
}
MESSAGEHANDLER(SetViewParamS)
{
AtlasView* view = AtlasView::GetView(msg->view);
view->SetParam(*msg->name, *msg->value);
}
MESSAGEHANDLER(SetActorViewer)
{
if (msg->flushcache)
{
// TODO EXTREME DANGER: this'll break horribly if any units remain
// in existence and use their actors after we've deleted all the actors.
// (The actor viewer currently only has one unit at a time, so it's
// alright.)
// Should replace this with proper actor hot-loading system, or something.
AtlasView::GetView_Actor()->GetActorViewer().SetActor(L"", L"", -1);
AtlasView::GetView_Actor()->GetActorViewer().UnloadObjects();
// vfs_reload_changed_files();
}
AtlasView::GetView_Actor()->SetSpeedMultiplier(msg->speed);
AtlasView::GetView_Actor()->GetActorViewer().SetActor(*msg->id, *msg->animation, msg->playerID);
}
//////////////////////////////////////////////////////////////////////////
MESSAGEHANDLER(SetCanvas)
{
// Need to set the canvas size before possibly doing any rendering,
// else we'll get GL errors when trying to render to 0x0
CVideoMode::UpdateRenderer(msg->width, msg->height);
g_AtlasGameLoop->glCanvas = msg->canvas;
Atlas_GLSetCurrent(const_cast<void*>(g_AtlasGameLoop->glCanvas));
}
MESSAGEHANDLER(ResizeScreen)
{
CVideoMode::UpdateRenderer(msg->width, msg->height);
#if OS_MACOSX
// OS X seems to require this to update the GL canvas
Atlas_GLSetCurrent(const_cast<void*>(g_AtlasGameLoop->glCanvas));
#endif
}
//////////////////////////////////////////////////////////////////////////
MESSAGEHANDLER(RenderStyle)
{
g_Renderer.SetTerrainRenderMode(msg->wireframe ? EDGED_FACES : SOLID);
g_Renderer.SetWaterRenderMode(msg->wireframe ? EDGED_FACES : SOLID);
g_Renderer.SetModelRenderMode(msg->wireframe ? EDGED_FACES : SOLID);
}
}
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