495 lines
14 KiB
C++
495 lines
14 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/*
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* Copyright (C) 2006-2010 - Frictional Games
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*
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* This file is part of HPL1 Engine.
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*/
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#include "hpl1/engine/scene/Scene.h"
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#include "hpl1/engine/game/Updater.h"
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#include "hpl1/engine/system/low_level_system.h"
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#include "hpl1/engine/graphics/Graphics.h"
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#include "hpl1/engine/graphics/GraphicsDrawer.h"
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#include "hpl1/engine/graphics/RenderList.h"
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#include "hpl1/engine/graphics/Renderer2D.h"
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#include "hpl1/engine/graphics/Renderer3D.h"
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#include "hpl1/engine/graphics/RendererPostEffects.h"
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#include "hpl1/engine/physics/Collider2D.h"
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#include "hpl1/engine/resources/Resources.h"
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#include "hpl1/engine/resources/ScriptManager.h"
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#include "hpl1/engine/scene/Camera2D.h"
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#include "hpl1/engine/scene/Camera3D.h"
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#include "hpl1/engine/scene/World2D.h"
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#include "hpl1/engine/scene/World3D.h"
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#include "hpl1/engine/sound/LowLevelSound.h"
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#include "hpl1/engine/sound/Sound.h"
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#include "hpl1/engine/sound/SoundHandler.h"
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#include "hpl1/engine/system/Script.h"
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#include "hpl1/engine/physics/Physics.h"
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#include "hpl1/engine/resources/FileSearcher.h"
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#include "hpl1/engine/resources/MeshLoaderHandler.h"
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namespace hpl {
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//////////////////////////////////////////////////////////////////////////
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// CONSTRUCTORS
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//////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------
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cScene::cScene(cGraphics *apGraphics, cResources *apResources, cSound *apSound, cPhysics *apPhysics,
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cSystem *apSystem, cAI *apAI)
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: iUpdateable("HPL_Scene") {
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mpGraphics = apGraphics;
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mpResources = apResources;
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mpSound = apSound;
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mpPhysics = apPhysics;
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mpSystem = apSystem;
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mpAI = apAI;
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mpCollider2D = hplNew(cCollider2D, ());
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mpCurrentWorld2D = NULL;
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mpCurrentWorld3D = NULL;
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mbCameraIsListener = true;
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mbDrawScene = true;
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mbUpdateMap = true;
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mpActiveCamera = NULL;
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}
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//-----------------------------------------------------------------------
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cScene::~cScene() {
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Log("Exiting Scene Module\n");
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Log("--------------------------------------------------------\n");
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STLDeleteAll(mlstWorld3D);
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STLDeleteAll(mlstCamera);
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hplDelete(mpCollider2D);
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Log("--------------------------------------------------------\n\n");
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}
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//-----------------------------------------------------------------------
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//////////////////////////////////////////////////////////////////////////
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// PUBLIC METHODS
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//////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------
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cCamera2D *cScene::CreateCamera2D(unsigned int alW, unsigned int alH) {
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cCamera2D *pCamera = hplNew(cCamera2D, (alW, alH));
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// Add Camera to list
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mlstCamera.push_back(pCamera);
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return pCamera;
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}
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//-----------------------------------------------------------------------
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cCamera3D *cScene::CreateCamera3D(eCameraMoveMode aMoveMode) {
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cCamera3D *pCamera = hplNew(cCamera3D, ());
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pCamera->SetAspect(mpGraphics->GetLowLevel()->GetScreenSize().x /
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mpGraphics->GetLowLevel()->GetScreenSize().y);
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// Add Camera to list
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mlstCamera.push_back(pCamera);
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return pCamera;
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}
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//-----------------------------------------------------------------------
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void cScene::DestroyCamera(iCamera *apCam) {
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for (tCameraListIt it = mlstCamera.begin(); it != mlstCamera.end(); it++) {
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if (*it == apCam) {
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hplDelete(*it);
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mlstCamera.erase(it);
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break;
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}
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}
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}
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//-----------------------------------------------------------------------
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void cScene::SetCamera(iCamera *pCam) {
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mpActiveCamera = pCam;
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if (mbCameraIsListener) {
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if (mpActiveCamera->GetType() == eCameraType_2D) {
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cCamera2D *pCamera2D = static_cast<cCamera2D *>(mpActiveCamera);
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mpSound->GetLowLevel()->SetListenerPosition(pCamera2D->GetPosition());
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}
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}
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}
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//-----------------------------------------------------------------------
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void cScene::SetCameraPosition(const cVector3f &avPos) {
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if (mpActiveCamera->GetType() == eCameraType_2D) {
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cCamera2D *pCamera2D = static_cast<cCamera2D *>(mpActiveCamera);
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pCamera2D->SetPosition(avPos);
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}
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if (mbCameraIsListener)
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mpSound->GetLowLevel()->SetListenerPosition(avPos);
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}
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cVector3f cScene::GetCameraPosition() {
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if (mpActiveCamera->GetType() == eCameraType_2D) {
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cCamera2D *pCamera2D = static_cast<cCamera2D *>(mpActiveCamera);
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return pCamera2D->GetPosition();
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}
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return cVector2f(0);
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}
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//-----------------------------------------------------------------------
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cScriptVar *cScene::CreateLocalVar(const tString &asName) {
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cScriptVar *pVar;
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pVar = GetLocalVar(asName);
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if (pVar == NULL) {
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cScriptVar Var;
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Var.msName = asName;
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m_mapLocalVars.insert(tScriptVarMap::value_type(cString::ToLowerCase(asName), Var));
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pVar = GetLocalVar(asName);
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if (pVar == NULL)
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error("Very strange error when creating script var!");
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}
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return pVar;
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}
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//-----------------------------------------------------------------------
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cScriptVar *cScene::GetLocalVar(const tString &asName) {
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tScriptVarMapIt it = m_mapLocalVars.find(cString::ToLowerCase(asName));
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if (it == m_mapLocalVars.end())
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return NULL;
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return &it->second;
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}
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//-----------------------------------------------------------------------
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tScriptVarMap *cScene::GetLocalVarMap() {
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return &m_mapLocalVars;
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}
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//-----------------------------------------------------------------------
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cScriptVar *cScene::CreateGlobalVar(const tString &asName) {
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cScriptVar *pVar;
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pVar = GetGlobalVar(asName);
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if (pVar == NULL) {
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cScriptVar Var;
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Var.msName = asName;
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m_mapGlobalVars.insert(tScriptVarMap::value_type(cString::ToLowerCase(asName), Var));
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pVar = GetGlobalVar(asName);
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if (pVar == NULL)
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error("Very strange error when creating script var!");
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}
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return pVar;
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}
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//-----------------------------------------------------------------------
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cScriptVar *cScene::GetGlobalVar(const tString &asName) {
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tScriptVarMapIt it = m_mapGlobalVars.find(cString::ToLowerCase(asName));
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if (it == m_mapGlobalVars.end())
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return NULL;
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return &it->second;
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}
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//-----------------------------------------------------------------------
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tScriptVarMap *cScene::GetGlobalVarMap() {
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return &m_mapGlobalVars;
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}
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//-----------------------------------------------------------------------
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void cScene::UpdateRenderList(float afFrameTime) {
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if (mbDrawScene && mpActiveCamera) {
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if (mpActiveCamera->GetType() == eCameraType_3D) {
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cCamera3D *pCamera3D = static_cast<cCamera3D *>(mpActiveCamera);
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if (mpCurrentWorld3D)
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mpGraphics->GetRenderer3D()->UpdateRenderList(mpCurrentWorld3D, pCamera3D, afFrameTime);
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}
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}
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}
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//-----------------------------------------------------------------------
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void cScene::SetDrawScene(bool abX) {
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mbDrawScene = abX;
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mpGraphics->GetRenderer3D()->GetRenderList()->Clear();
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}
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//-----------------------------------------------------------------------
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void cScene::Render(cUpdater *apUpdater, float afFrameTime) {
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if (mbDrawScene && mpActiveCamera) {
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if (mpActiveCamera->GetType() == eCameraType_2D) {
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cCamera2D *pCamera2D = static_cast<cCamera2D *>(mpActiveCamera);
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// pCamera2D->SetModelViewMatrix(mpGraphics->GetLowLevel());
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if (mpCurrentWorld2D) {
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mpCurrentWorld2D->Render(pCamera2D);
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mpGraphics->GetRenderer2D()->RenderObjects(pCamera2D, mpCurrentWorld2D->GetGridMapLights(), mpCurrentWorld2D);
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}
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} else {
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cCamera3D *pCamera3D = static_cast<cCamera3D *>(mpActiveCamera);
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if (mpCurrentWorld3D) {
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START_TIMING(RenderWorld)
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mpGraphics->GetRenderer3D()->RenderWorld(mpCurrentWorld3D, pCamera3D, afFrameTime);
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STOP_TIMING(RenderWorld)
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}
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}
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START_TIMING(PostSceneDraw)
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apUpdater->OnPostSceneDraw();
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STOP_TIMING(PostSceneDraw)
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START_TIMING(PostEffects)
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mpGraphics->GetRendererPostEffects()->Render();
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STOP_TIMING(PostEffects)
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} else {
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apUpdater->OnPostSceneDraw();
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// S
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// mpGraphics->GetLowLevel()->SetClearColor(cColor(0,1));
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// mpGraphics->GetLowLevel()->ClearScreen();
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}
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mpGraphics->GetDrawer()->DrawAll();
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apUpdater->OnPostGUIDraw();
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}
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//-----------------------------------------------------------------------
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void cScene::Update(float afTimeStep) {
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if (mpActiveCamera == NULL)
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return;
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if (mpActiveCamera->GetType() == eCameraType_2D) {
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if (mbUpdateMap && mpCurrentWorld2D) {
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mpCurrentWorld2D->Update(afTimeStep);
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if (mpCurrentWorld2D->GetScript()) {
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mpCurrentWorld2D->GetScript()->Run("OnUpdate()");
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}
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mpGraphics->GetDrawer()->UpdateBackgrounds();
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}
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} else {
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if (mbCameraIsListener) {
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cCamera3D *pCamera3D = static_cast<cCamera3D *>(mpActiveCamera);
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mpSound->GetLowLevel()->SetListenerAttributes(
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pCamera3D->GetPosition(),
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cVector3f(0, 0, 0),
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pCamera3D->GetForward() * -1.0f,
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pCamera3D->GetUp());
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}
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if (mbUpdateMap && mpCurrentWorld3D) {
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mpCurrentWorld3D->Update(afTimeStep);
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if (mpCurrentWorld3D->GetScript()) {
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mpCurrentWorld3D->GetScript()->Run("OnUpdate()");
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}
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}
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}
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}
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//-----------------------------------------------------------------------
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void cScene::Reset() {
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m_mapLocalVars.clear();
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m_mapGlobalVars.clear();
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m_setLoadedMaps.clear();
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}
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//-----------------------------------------------------------------------
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void cScene::RenderWorld2D(cCamera2D *apCam, cWorld2D *apWorld) {
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if (apWorld) {
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apWorld->Render(apCam);
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mpGraphics->GetRenderer2D()->RenderObjects(apCam, apWorld->GetGridMapLights(), apWorld);
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}
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}
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//-----------------------------------------------------------------------
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cWorld3D *cScene::LoadWorld3D(const tString &asFile, bool abLoadScript, tWorldLoadFlag aFlags) {
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// Clear the local script
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m_mapLocalVars.clear();
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///////////////////////////////////
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// Load the map file
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tString asPath = mpResources->GetFileSearcher()->GetFilePath(asFile);
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if (asPath == "") {
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Error("World '%s' doesn't exist\n", asFile.c_str());
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return NULL;
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}
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cWorld3D *pWorld = mpResources->GetMeshLoaderHandler()->LoadWorld(asPath, aFlags);
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if (pWorld == NULL) {
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Error("Couldn't load world from '%s'\n", asPath.c_str());
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return NULL;
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}
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////////////////////////////////////////////////////////////
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// Load the script
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iScript *pScript = NULL;
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if (abLoadScript) {
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tString sScriptFile = cString::SetFileExt(asFile, "hps");
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pScript = mpResources->GetScriptManager()->CreateScript(sScriptFile);
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if (pScript == NULL) {
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Error("Couldn't load script '%s'\n", sScriptFile.c_str());
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} else {
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pWorld->SetScript(pScript);
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}
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}
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SetWorld3D(pWorld);
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////////////////////////////
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// Add to loaded maps
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tString sName = cString::ToLowerCase(cString::SetFileExt(asFile, ""));
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tStringSetIt it = m_setLoadedMaps.find(sName);
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if (it == m_setLoadedMaps.end()) {
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m_setLoadedMaps.insert(sName);
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}
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////////////////////////////////////////////////////////////
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// Run script start functions
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/*if(pScript)
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{
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//Check if the map has been loaded before, if not run OnStart script.
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tString sName = cString::ToLowerCase(cString::SetFileExt(asFile,""));
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tStringSetIt it = m_setLoadedMaps.find(sName);
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if(it == m_setLoadedMaps.end())
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{
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m_setLoadedMaps.insert(sName);
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pScript->Run("OnStart()");
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}
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}*/
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return pWorld;
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}
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//-----------------------------------------------------------------------
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cWorld3D *cScene::CreateWorld3D(const tString &asName) {
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cWorld3D *pWorld = hplNew(cWorld3D, (asName, mpGraphics, mpResources, mpSound, mpPhysics, this,
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mpSystem, mpAI));
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mlstWorld3D.push_back(pWorld);
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return pWorld;
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}
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//-----------------------------------------------------------------------
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void cScene::DestroyWorld3D(cWorld3D *apWorld) {
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STLFindAndDelete(mlstWorld3D, apWorld);
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}
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//-----------------------------------------------------------------------
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void cScene::SetWorld3D(cWorld3D *apWorld) {
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mpCurrentWorld3D = apWorld;
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// Set the world the sound handler uses.
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mpSound->GetSoundHandler()->SetWorld3D(mpCurrentWorld3D);
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// Set the world for physics.
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mpPhysics->SetGameWorld(mpCurrentWorld3D);
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}
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//-----------------------------------------------------------------------
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bool cScene::HasLoadedWorld(const tString &asFile) {
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tString sName = cString::ToLowerCase(cString::SetFileExt(asFile, ""));
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tStringSetIt it = m_setLoadedMaps.find(sName);
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if (it == m_setLoadedMaps.end())
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return false;
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else
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return true;
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}
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//-----------------------------------------------------------------------
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bool cScene::LoadMap2D(tString asFile) {
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mpGraphics->GetDrawer()->ClearBackgrounds();
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cWorld2D *pTempWorld = NULL;
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// temporary save the old map
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if (mpCurrentWorld2D) {
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pTempWorld = mpCurrentWorld2D;
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}
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// Clear the local script
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m_mapLocalVars.clear();
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mpCurrentWorld2D = hplNew(cWorld2D, ("", mpGraphics, mpResources, mpSound, mpCollider2D));
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if (mpCurrentWorld2D->CreateFromFile(asFile) == false)
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return false;
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if (mpCurrentWorld2D->GetScript()) {
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// Check if the map has been loaded before, if not run OnStart script.
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tString sName = cString::ToLowerCase(cString::SetFileExt(asFile, ""));
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tStringSetIt it = m_setLoadedMaps.find(sName);
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if (it == m_setLoadedMaps.end()) {
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m_setLoadedMaps.insert(sName);
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mpCurrentWorld2D->GetScript()->Run("OnStart()");
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}
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mpCurrentWorld2D->GetScript()->Run("OnLoad()");
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}
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mpCollider2D->SetWorld(mpCurrentWorld2D);
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if (pTempWorld) {
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hplDelete(pTempWorld);
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}
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return true;
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}
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//-----------------------------------------------------------------------
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} // namespace hpl
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