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2026-02-02 04:50:13 +01:00

495 lines
14 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
* Copyright (C) 2006-2010 - Frictional Games
*
* This file is part of HPL1 Engine.
*/
#include "hpl1/engine/scene/Scene.h"
#include "hpl1/engine/game/Updater.h"
#include "hpl1/engine/system/low_level_system.h"
#include "hpl1/engine/graphics/Graphics.h"
#include "hpl1/engine/graphics/GraphicsDrawer.h"
#include "hpl1/engine/graphics/RenderList.h"
#include "hpl1/engine/graphics/Renderer2D.h"
#include "hpl1/engine/graphics/Renderer3D.h"
#include "hpl1/engine/graphics/RendererPostEffects.h"
#include "hpl1/engine/physics/Collider2D.h"
#include "hpl1/engine/resources/Resources.h"
#include "hpl1/engine/resources/ScriptManager.h"
#include "hpl1/engine/scene/Camera2D.h"
#include "hpl1/engine/scene/Camera3D.h"
#include "hpl1/engine/scene/World2D.h"
#include "hpl1/engine/scene/World3D.h"
#include "hpl1/engine/sound/LowLevelSound.h"
#include "hpl1/engine/sound/Sound.h"
#include "hpl1/engine/sound/SoundHandler.h"
#include "hpl1/engine/system/Script.h"
#include "hpl1/engine/physics/Physics.h"
#include "hpl1/engine/resources/FileSearcher.h"
#include "hpl1/engine/resources/MeshLoaderHandler.h"
namespace hpl {
//////////////////////////////////////////////////////////////////////////
// CONSTRUCTORS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
cScene::cScene(cGraphics *apGraphics, cResources *apResources, cSound *apSound, cPhysics *apPhysics,
cSystem *apSystem, cAI *apAI)
: iUpdateable("HPL_Scene") {
mpGraphics = apGraphics;
mpResources = apResources;
mpSound = apSound;
mpPhysics = apPhysics;
mpSystem = apSystem;
mpAI = apAI;
mpCollider2D = hplNew(cCollider2D, ());
mpCurrentWorld2D = NULL;
mpCurrentWorld3D = NULL;
mbCameraIsListener = true;
mbDrawScene = true;
mbUpdateMap = true;
mpActiveCamera = NULL;
}
//-----------------------------------------------------------------------
cScene::~cScene() {
Log("Exiting Scene Module\n");
Log("--------------------------------------------------------\n");
STLDeleteAll(mlstWorld3D);
STLDeleteAll(mlstCamera);
hplDelete(mpCollider2D);
Log("--------------------------------------------------------\n\n");
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
cCamera2D *cScene::CreateCamera2D(unsigned int alW, unsigned int alH) {
cCamera2D *pCamera = hplNew(cCamera2D, (alW, alH));
// Add Camera to list
mlstCamera.push_back(pCamera);
return pCamera;
}
//-----------------------------------------------------------------------
cCamera3D *cScene::CreateCamera3D(eCameraMoveMode aMoveMode) {
cCamera3D *pCamera = hplNew(cCamera3D, ());
pCamera->SetAspect(mpGraphics->GetLowLevel()->GetScreenSize().x /
mpGraphics->GetLowLevel()->GetScreenSize().y);
// Add Camera to list
mlstCamera.push_back(pCamera);
return pCamera;
}
//-----------------------------------------------------------------------
void cScene::DestroyCamera(iCamera *apCam) {
for (tCameraListIt it = mlstCamera.begin(); it != mlstCamera.end(); it++) {
if (*it == apCam) {
hplDelete(*it);
mlstCamera.erase(it);
break;
}
}
}
//-----------------------------------------------------------------------
void cScene::SetCamera(iCamera *pCam) {
mpActiveCamera = pCam;
if (mbCameraIsListener) {
if (mpActiveCamera->GetType() == eCameraType_2D) {
cCamera2D *pCamera2D = static_cast<cCamera2D *>(mpActiveCamera);
mpSound->GetLowLevel()->SetListenerPosition(pCamera2D->GetPosition());
}
}
}
//-----------------------------------------------------------------------
void cScene::SetCameraPosition(const cVector3f &avPos) {
if (mpActiveCamera->GetType() == eCameraType_2D) {
cCamera2D *pCamera2D = static_cast<cCamera2D *>(mpActiveCamera);
pCamera2D->SetPosition(avPos);
}
if (mbCameraIsListener)
mpSound->GetLowLevel()->SetListenerPosition(avPos);
}
cVector3f cScene::GetCameraPosition() {
if (mpActiveCamera->GetType() == eCameraType_2D) {
cCamera2D *pCamera2D = static_cast<cCamera2D *>(mpActiveCamera);
return pCamera2D->GetPosition();
}
return cVector2f(0);
}
//-----------------------------------------------------------------------
cScriptVar *cScene::CreateLocalVar(const tString &asName) {
cScriptVar *pVar;
pVar = GetLocalVar(asName);
if (pVar == NULL) {
cScriptVar Var;
Var.msName = asName;
m_mapLocalVars.insert(tScriptVarMap::value_type(cString::ToLowerCase(asName), Var));
pVar = GetLocalVar(asName);
if (pVar == NULL)
error("Very strange error when creating script var!");
}
return pVar;
}
//-----------------------------------------------------------------------
cScriptVar *cScene::GetLocalVar(const tString &asName) {
tScriptVarMapIt it = m_mapLocalVars.find(cString::ToLowerCase(asName));
if (it == m_mapLocalVars.end())
return NULL;
return &it->second;
}
//-----------------------------------------------------------------------
tScriptVarMap *cScene::GetLocalVarMap() {
return &m_mapLocalVars;
}
//-----------------------------------------------------------------------
cScriptVar *cScene::CreateGlobalVar(const tString &asName) {
cScriptVar *pVar;
pVar = GetGlobalVar(asName);
if (pVar == NULL) {
cScriptVar Var;
Var.msName = asName;
m_mapGlobalVars.insert(tScriptVarMap::value_type(cString::ToLowerCase(asName), Var));
pVar = GetGlobalVar(asName);
if (pVar == NULL)
error("Very strange error when creating script var!");
}
return pVar;
}
//-----------------------------------------------------------------------
cScriptVar *cScene::GetGlobalVar(const tString &asName) {
tScriptVarMapIt it = m_mapGlobalVars.find(cString::ToLowerCase(asName));
if (it == m_mapGlobalVars.end())
return NULL;
return &it->second;
}
//-----------------------------------------------------------------------
tScriptVarMap *cScene::GetGlobalVarMap() {
return &m_mapGlobalVars;
}
//-----------------------------------------------------------------------
void cScene::UpdateRenderList(float afFrameTime) {
if (mbDrawScene && mpActiveCamera) {
if (mpActiveCamera->GetType() == eCameraType_3D) {
cCamera3D *pCamera3D = static_cast<cCamera3D *>(mpActiveCamera);
if (mpCurrentWorld3D)
mpGraphics->GetRenderer3D()->UpdateRenderList(mpCurrentWorld3D, pCamera3D, afFrameTime);
}
}
}
//-----------------------------------------------------------------------
void cScene::SetDrawScene(bool abX) {
mbDrawScene = abX;
mpGraphics->GetRenderer3D()->GetRenderList()->Clear();
}
//-----------------------------------------------------------------------
void cScene::Render(cUpdater *apUpdater, float afFrameTime) {
if (mbDrawScene && mpActiveCamera) {
if (mpActiveCamera->GetType() == eCameraType_2D) {
cCamera2D *pCamera2D = static_cast<cCamera2D *>(mpActiveCamera);
// pCamera2D->SetModelViewMatrix(mpGraphics->GetLowLevel());
if (mpCurrentWorld2D) {
mpCurrentWorld2D->Render(pCamera2D);
mpGraphics->GetRenderer2D()->RenderObjects(pCamera2D, mpCurrentWorld2D->GetGridMapLights(), mpCurrentWorld2D);
}
} else {
cCamera3D *pCamera3D = static_cast<cCamera3D *>(mpActiveCamera);
if (mpCurrentWorld3D) {
START_TIMING(RenderWorld)
mpGraphics->GetRenderer3D()->RenderWorld(mpCurrentWorld3D, pCamera3D, afFrameTime);
STOP_TIMING(RenderWorld)
}
}
START_TIMING(PostSceneDraw)
apUpdater->OnPostSceneDraw();
STOP_TIMING(PostSceneDraw)
START_TIMING(PostEffects)
mpGraphics->GetRendererPostEffects()->Render();
STOP_TIMING(PostEffects)
} else {
apUpdater->OnPostSceneDraw();
// S
// mpGraphics->GetLowLevel()->SetClearColor(cColor(0,1));
// mpGraphics->GetLowLevel()->ClearScreen();
}
mpGraphics->GetDrawer()->DrawAll();
apUpdater->OnPostGUIDraw();
}
//-----------------------------------------------------------------------
void cScene::Update(float afTimeStep) {
if (mpActiveCamera == NULL)
return;
if (mpActiveCamera->GetType() == eCameraType_2D) {
if (mbUpdateMap && mpCurrentWorld2D) {
mpCurrentWorld2D->Update(afTimeStep);
if (mpCurrentWorld2D->GetScript()) {
mpCurrentWorld2D->GetScript()->Run("OnUpdate()");
}
mpGraphics->GetDrawer()->UpdateBackgrounds();
}
} else {
if (mbCameraIsListener) {
cCamera3D *pCamera3D = static_cast<cCamera3D *>(mpActiveCamera);
mpSound->GetLowLevel()->SetListenerAttributes(
pCamera3D->GetPosition(),
cVector3f(0, 0, 0),
pCamera3D->GetForward() * -1.0f,
pCamera3D->GetUp());
}
if (mbUpdateMap && mpCurrentWorld3D) {
mpCurrentWorld3D->Update(afTimeStep);
if (mpCurrentWorld3D->GetScript()) {
mpCurrentWorld3D->GetScript()->Run("OnUpdate()");
}
}
}
}
//-----------------------------------------------------------------------
void cScene::Reset() {
m_mapLocalVars.clear();
m_mapGlobalVars.clear();
m_setLoadedMaps.clear();
}
//-----------------------------------------------------------------------
void cScene::RenderWorld2D(cCamera2D *apCam, cWorld2D *apWorld) {
if (apWorld) {
apWorld->Render(apCam);
mpGraphics->GetRenderer2D()->RenderObjects(apCam, apWorld->GetGridMapLights(), apWorld);
}
}
//-----------------------------------------------------------------------
cWorld3D *cScene::LoadWorld3D(const tString &asFile, bool abLoadScript, tWorldLoadFlag aFlags) {
// Clear the local script
m_mapLocalVars.clear();
///////////////////////////////////
// Load the map file
tString asPath = mpResources->GetFileSearcher()->GetFilePath(asFile);
if (asPath == "") {
Error("World '%s' doesn't exist\n", asFile.c_str());
return NULL;
}
cWorld3D *pWorld = mpResources->GetMeshLoaderHandler()->LoadWorld(asPath, aFlags);
if (pWorld == NULL) {
Error("Couldn't load world from '%s'\n", asPath.c_str());
return NULL;
}
////////////////////////////////////////////////////////////
// Load the script
iScript *pScript = NULL;
if (abLoadScript) {
tString sScriptFile = cString::SetFileExt(asFile, "hps");
pScript = mpResources->GetScriptManager()->CreateScript(sScriptFile);
if (pScript == NULL) {
Error("Couldn't load script '%s'\n", sScriptFile.c_str());
} else {
pWorld->SetScript(pScript);
}
}
SetWorld3D(pWorld);
////////////////////////////
// Add to loaded maps
tString sName = cString::ToLowerCase(cString::SetFileExt(asFile, ""));
tStringSetIt it = m_setLoadedMaps.find(sName);
if (it == m_setLoadedMaps.end()) {
m_setLoadedMaps.insert(sName);
}
////////////////////////////////////////////////////////////
// Run script start functions
/*if(pScript)
{
//Check if the map has been loaded before, if not run OnStart script.
tString sName = cString::ToLowerCase(cString::SetFileExt(asFile,""));
tStringSetIt it = m_setLoadedMaps.find(sName);
if(it == m_setLoadedMaps.end())
{
m_setLoadedMaps.insert(sName);
pScript->Run("OnStart()");
}
}*/
return pWorld;
}
//-----------------------------------------------------------------------
cWorld3D *cScene::CreateWorld3D(const tString &asName) {
cWorld3D *pWorld = hplNew(cWorld3D, (asName, mpGraphics, mpResources, mpSound, mpPhysics, this,
mpSystem, mpAI));
mlstWorld3D.push_back(pWorld);
return pWorld;
}
//-----------------------------------------------------------------------
void cScene::DestroyWorld3D(cWorld3D *apWorld) {
STLFindAndDelete(mlstWorld3D, apWorld);
}
//-----------------------------------------------------------------------
void cScene::SetWorld3D(cWorld3D *apWorld) {
mpCurrentWorld3D = apWorld;
// Set the world the sound handler uses.
mpSound->GetSoundHandler()->SetWorld3D(mpCurrentWorld3D);
// Set the world for physics.
mpPhysics->SetGameWorld(mpCurrentWorld3D);
}
//-----------------------------------------------------------------------
bool cScene::HasLoadedWorld(const tString &asFile) {
tString sName = cString::ToLowerCase(cString::SetFileExt(asFile, ""));
tStringSetIt it = m_setLoadedMaps.find(sName);
if (it == m_setLoadedMaps.end())
return false;
else
return true;
}
//-----------------------------------------------------------------------
bool cScene::LoadMap2D(tString asFile) {
mpGraphics->GetDrawer()->ClearBackgrounds();
cWorld2D *pTempWorld = NULL;
// temporary save the old map
if (mpCurrentWorld2D) {
pTempWorld = mpCurrentWorld2D;
}
// Clear the local script
m_mapLocalVars.clear();
mpCurrentWorld2D = hplNew(cWorld2D, ("", mpGraphics, mpResources, mpSound, mpCollider2D));
if (mpCurrentWorld2D->CreateFromFile(asFile) == false)
return false;
if (mpCurrentWorld2D->GetScript()) {
// Check if the map has been loaded before, if not run OnStart script.
tString sName = cString::ToLowerCase(cString::SetFileExt(asFile, ""));
tStringSetIt it = m_setLoadedMaps.find(sName);
if (it == m_setLoadedMaps.end()) {
m_setLoadedMaps.insert(sName);
mpCurrentWorld2D->GetScript()->Run("OnStart()");
}
mpCurrentWorld2D->GetScript()->Run("OnLoad()");
}
mpCollider2D->SetWorld(mpCurrentWorld2D);
if (pTempWorld) {
hplDelete(pTempWorld);
}
return true;
}
//-----------------------------------------------------------------------
} // namespace hpl