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Moved loading functionality to loader class.

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Faerbit 2015-02-04 17:16:06 +01:00
parent bb1cf8dea7
commit 7e8b0d4c58
5 changed files with 530 additions and 431 deletions
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3
application.cc
View File

@ -1,4 +1,5 @@
#include "application.hh"
#include "loader.hh"
Application::Application() {
@ -25,6 +26,8 @@ void Application::init()
// load Level
level.load();
Loader loader = Loader();
loader.load("Level1.xml", &level);
graphics.init(&level);

506
level.cc
View File

@ -1,73 +1,45 @@
#include "level.hh"
#include <string>
extern "C" {
#include "extern/lua/src/lua.h"
#include "extern/lua/src/lualib.h"
#include "extern/lua/src/lauxlib.h"
}
#include "extern/luabridge/LuaBridge.h"
using namespace tinyxml2;
//dowadiddydiddydumdiddydo
Level::Level(std::string levelNum){
this->levelNum = levelNum;
this->terrain = Terrain(levelNum);
// default value
skydomeSize = 50.0f;
}
Level::Level() {
}
//there she was just walking down the street singing
Level::~Level() {
if (luaState!=nullptr) {
lua_close(luaState);
}
for(unsigned int i = 0; i<objects.size(); i++) {
delete(objects.at(i));
}
}
//dowadiddydiddydumdiddydoo!
void Level::errorCheck(XMLError error){
if (error) {
printf("XMLError: ");
if (error == XML_WRONG_ATTRIBUTE_TYPE) {
printf("Wrong attribute type.\n");
}
else if (error == XML_NO_ATTRIBUTE) {
printf("No attribute.\n");
}
else if (error == XML_CAN_NOT_CONVERT_TEXT) {
printf("Can not convert text.\n");
}
else if (error == XML_NO_TEXT_NODE) {
printf("No text.\n");
}
else {
printf("Unknown error.\n");
}
exit(-1);
}
}
void Level::load() {
//Intialize lua state
lua_State *L = nullptr;
// Check if there's an existing state and close it
if(L != nullptr){
lua_close(L);
L = nullptr;
if(luaState != nullptr){
lua_close(luaState);
luaState = nullptr;
}
// Create a new lua state
L = luaL_newstate();
luaL_openlibs(L);
luaState = luaL_newstate();
luaL_openlibs(luaState);
//Expose the class Level and its functions to Lua
luabridge::getGlobalNamespace(L)
luabridge::getGlobalNamespace(luaState)
.beginClass<Level>("Level")
.addFunction("deleteObject", &Level::deleteObject)
.addFunction("getObjectCount", &Level::getObjectCount)
.addFunction("getObjectCount", &Level::getPhysicsObjectsVectorSize)
.addFunction("moveObject", &Level::moveObject)
.endClass();
//Push the level to Lua as a global variable
luabridge::push(L, this);
lua_setglobal(L, "level");
luabridge::push(luaState, this);
lua_setglobal(luaState, "level");
this->physics = Physics();
@ -89,385 +61,6 @@ void Level::load() {
//addTerrainPhysic
physics.addTerrain(terrain.getHeightmapWidth(), terrain.getHeightmapHeight(), terrain.getHeightmap());
//Loading from xml:
XMLDocument* doc = new XMLDocument();
const char* xmlFile = ("../Levels/ObjectSetups/Level" + levelNum + ".xml").c_str();
doc->LoadFile(xmlFile);
if (doc->ErrorID()!=0){
printf("Could not open ObjectSetupXml!\n");
exit(-1);
}
//load global physic parameter
float friction;
XMLElement* physicsElement = doc->FirstChildElement("physics");
errorCheck(physicsElement->FirstChildElement("strength")->QueryFloatText(&strength));
errorCheck(physicsElement->FirstChildElement("friction")->QueryFloatText(&friction));
//load the skydome
XMLElement* skydomeElement = doc->FirstChildElement("skydome");
const char* charSkydomeTexture = skydomeElement->FirstChildElement("texture")->GetText();
if(charSkydomeTexture == NULL){
printf("XMLError: No skydomeTexture found.\n");
exit(-1);
}
std::string skydomeTexture = charSkydomeTexture;
Model skydomeModel = Model("skydome.obj", skydomeSize);
Material skydomeMaterial = Material(skydomeTexture, 0.7f, 0.0f, 0.0f, 0.0f);
Object* skydomeObject = new Object(skydomeModel, skydomeMaterial, glm::vec3(0.0f, 0.0f, 0.0f),
glm::vec3(0.0f, 0.0f, 0.0f));
objects.push_back(skydomeObject);
skydome = skydomeObject;
//load lighting parameters
float rColour, gColour, bColour, alpha, xOffset, yOffset, zOffset, intensity;
XMLElement* ambientElement = doc->FirstChildElement("ambientLight");
errorCheck(ambientElement->FirstChildElement("rColour")->QueryFloatText(&rColour));
errorCheck(ambientElement->FirstChildElement("gColour")->QueryFloatText(&gColour));
errorCheck(ambientElement->FirstChildElement("bColour")->QueryFloatText(&bColour));
ambientLight = glm::vec3(rColour,gColour,bColour);
XMLElement* fogElement = doc->FirstChildElement("fogColour");
errorCheck(fogElement->FirstChildElement("rColour")->QueryFloatText(&rColour));
errorCheck(fogElement->FirstChildElement("gColour")->QueryFloatText(&gColour));
errorCheck(fogElement->FirstChildElement("bColour")->QueryFloatText(&bColour));
errorCheck(fogElement->FirstChildElement("alpha")->QueryFloatText(&alpha));
fogColour = glm::vec4(rColour,gColour,bColour, alpha);
XMLElement* directionalElement = doc->FirstChildElement("directionalLight");
errorCheck(directionalElement->FirstChildElement("xOffset")->QueryFloatText(&xOffset));
errorCheck(directionalElement->FirstChildElement("yOffset")->QueryFloatText(&yOffset));
errorCheck(directionalElement->FirstChildElement("zOffset")->QueryFloatText(&zOffset));
errorCheck(directionalElement->FirstChildElement("rColour")->QueryFloatText(&rColour));
errorCheck(directionalElement->FirstChildElement("gColour")->QueryFloatText(&gColour));
errorCheck(directionalElement->FirstChildElement("bColour")->QueryFloatText(&bColour));
errorCheck(directionalElement->FirstChildElement("intensity")->QueryFloatText(&intensity));
directionalLight = Light(glm::vec3(xOffset,yOffset,zOffset), glm::vec3(rColour,gColour,bColour), intensity);
//load Objects
std::vector<std::vector<int>> objectIdentifiers = std::vector<std::vector<int>>(); //The first entry is the index in objects, the second one the index in physicObjects, the others are idGreen, idBlue and objectNum.
XMLDocument* compositions = new XMLDocument();
const char* compositionsFile = "../Levels/ObjectSetups/Compositions.xml";
compositions->LoadFile(compositionsFile);
if (compositions->ErrorID()!=0){
printf("Could not open Compositions!\n");
exit(-1);
}
//iterate over all compositions in Level.xml
XMLElement* thisComposition = doc->FirstChildElement("composition");
for(; thisComposition; thisComposition=thisComposition->NextSiblingElement("composition")){
int thisType = 0;
errorCheck(thisComposition->FirstChildElement("typeID")->QueryIntText(&thisType));
//iterate over all compositions in Compositions.xml to find the one corresponding to the current composition
XMLElement* composition = compositions->FirstChildElement("composition");
for(; composition; composition=composition->NextSiblingElement("composition")){
int compositionType = 0;
errorCheck(composition->FirstChildElement("typeID")->QueryIntText(&compositionType));
//corect composition found
if(thisType == compositionType){
//iterate over all objects of the composition
XMLElement* xmlObject = composition->FirstChildElement("object");
int objectNum = 0;
for(; xmlObject; xmlObject=xmlObject->NextSiblingElement("object")){
const char* charModelPath = xmlObject->FirstChildElement("modelPath")->GetText();
if(charModelPath == NULL){
printf("XMLError: No modelPath found in object.\n");
exit(-1);
}
std::string modelPath = charModelPath;
float objectScale, compScale;
errorCheck(xmlObject->FirstChildElement("scale")->QueryFloatText(&objectScale));
errorCheck(thisComposition->FirstChildElement("scale")->QueryFloatText(&compScale));
Model model = Model(modelPath, objectScale * compScale);
//find the objectData for the current object
XMLElement* objectData = compositions->FirstChildElement("objectData");
for(; objectData; objectData=objectData->NextSiblingElement("objectData")){
const char* charDataModelPath = objectData->FirstChildElement("modelPath")->GetText();
if(charDataModelPath == NULL){
printf("XMLError: No modelPath found in objectData.\n");
exit(-1);
}
std::string dataModelPath = charDataModelPath;
//objectData found
if(dataModelPath.compare(modelPath) == 0){
//create the object
float ambientFactor, diffuseFactor, specularFactor, shininess;
errorCheck(objectData->FirstChildElement("ambientFactor")->QueryFloatText(&ambientFactor));
errorCheck(objectData->FirstChildElement("diffuseFactor")->QueryFloatText(&diffuseFactor));
errorCheck(objectData->FirstChildElement("specularFactor")->QueryFloatText(&specularFactor));
errorCheck(objectData->FirstChildElement("shininess")->QueryFloatText(&shininess));
const char* charTexturePath = objectData->FirstChildElement("texturePath")->GetText();
if(charTexturePath == NULL){
printf("XMLError: No texturePath found in objectData.\n");
exit(-1);
}
std::string texturePath = charTexturePath;
Material material = Material(texturePath, ambientFactor, diffuseFactor, specularFactor, shininess);
float compXPos, compYOffset, compZPos;
glm::vec3 objectOffset, compRot;
errorCheck(xmlObject->FirstChildElement("xOffset")->QueryFloatText(&objectOffset[0]));
errorCheck(xmlObject->FirstChildElement("yOffset")->QueryFloatText(&objectOffset[1]));
errorCheck(xmlObject->FirstChildElement("zOffset")->QueryFloatText(&objectOffset[2]));
errorCheck(thisComposition->FirstChildElement("xPos")->QueryFloatText(&compXPos));
errorCheck(thisComposition->FirstChildElement("yOffset")->QueryFloatText(&compYOffset));
errorCheck(thisComposition->FirstChildElement("zPos")->QueryFloatText(&compZPos));
errorCheck(thisComposition->FirstChildElement("xRot")->QueryFloatText(&compRot[0]));
errorCheck(thisComposition->FirstChildElement("yRot")->QueryFloatText(&compRot[1]));
errorCheck(thisComposition->FirstChildElement("zRot")->QueryFloatText(&compRot[2]));
compRot *= 0.0174532925; //transform degrees to radians
bool ignoreHeightmap;
errorCheck(composition->FirstChildElement("ignoreHeightmap")->QueryBoolText(&ignoreHeightmap));
if (!ignoreHeightmap){
compYOffset = compYOffset+terrain.getHeightmap()[int(compXPos-0.5+0.5*terrain.getHeightmapHeight())]
[int(compZPos-0.5+0.5*terrain.getHeightmapWidth())];
}
glm::vec3 compPos = glm::vec3(compXPos, compYOffset, compZPos);
objectOffset = objectOffset * compScale;
glm::vec4 rotatedObjectOffset = glm::rotate(compRot.x, glm::vec3(1.0f, 0.0f, 0.0f))
* glm::rotate(compRot.y, glm::vec3(0.0f, 1.0f, 0.0f))
* glm::rotate(compRot.z, glm::vec3(0.0f, 0.0f, 1.0f))
* glm::vec4(objectOffset, 0);
glm::vec3 objectPosition = compPos + glm::vec3(rotatedObjectOffset.x,rotatedObjectOffset.y,rotatedObjectOffset.z);
glm::vec3 objectRot;
errorCheck(xmlObject->FirstChildElement("xRot")->QueryFloatText(&objectRot[0]));
errorCheck(xmlObject->FirstChildElement("yRot")->QueryFloatText(&objectRot[1]));
errorCheck(xmlObject->FirstChildElement("zRot")->QueryFloatText(&objectRot[2]));
objectRot *= 0.0174532925; //transform degrees to radians
Object* object = new Object(model, material, objectPosition, compRot+objectRot);
objects.push_back(object);
physicObjects.push_back(object);
const char* charPhysicType = objectData->FirstChildElement("physicType")->GetText();
if(charPhysicType == NULL){
printf("XMLError: No physicType found.\n");
exit(-1);
}
//create an identifier for this object
std::vector<int> objectIdentifier = std::vector<int>(5);
objectIdentifier[0] = objects.size()-1;
objectIdentifier[1] = physicObjects.size()-1;
int idGreen, idBlue;
errorCheck(thisComposition->FirstChildElement("idGreen")->QueryIntText(&idGreen));
errorCheck(thisComposition->FirstChildElement("idBlue")->QueryIntText(&idBlue));
objectIdentifier[2] = idGreen;
objectIdentifier[3] = idBlue;
objectIdentifier[4] = objectNum;
objectIdentifiers.push_back(objectIdentifier);
std::string physicType = charPhysicType;
//add object to physics
float mass;
errorCheck(xmlObject->FirstChildElement("mass")->QueryFloatText(&mass));
float dampningL, dampningA;
XMLElement* constraint = thisComposition->FirstChildElement("positionConstraint");
bool rotate = (constraint == NULL);
errorCheck(objectData->FirstChildElement("dampningL")->QueryFloatText(&dampningL));
errorCheck(objectData->FirstChildElement("dampningA")->QueryFloatText(&dampningA));
if (physicType.compare("Player") == 0){
float radius;
errorCheck(objectData->FirstChildElement("radius")->QueryFloatText(&radius));
radius *= objectScale*compScale;
this->physics.addPlayer(friction, radius, *object, mass, dampningL, dampningA, physicObjects.size());
}else if (physicType.compare("Box") == 0){
float width, height, length;
errorCheck(objectData->FirstChildElement("width")->QueryFloatText(&width));
errorCheck(objectData->FirstChildElement("height")->QueryFloatText(&height));
errorCheck(objectData->FirstChildElement("length")->QueryFloatText(&length));
width *= objectScale*compScale;
height *= objectScale*compScale;
length *= objectScale*compScale;
this->physics.addBox(width, height, length, *object, mass, dampningL, dampningA, physicObjects.size(), rotate);
}else if (physicType.compare("Button") == 0){
float width, height, length;
errorCheck(objectData->FirstChildElement("width")->QueryFloatText(&width));
errorCheck(objectData->FirstChildElement("height")->QueryFloatText(&height));
errorCheck(objectData->FirstChildElement("length")->QueryFloatText(&length));
width *= objectScale*compScale;
height *= objectScale*compScale;
length *= objectScale*compScale;
this->physics.addButton(width, height, length, *object, mass, dampningL, dampningA, physicObjects.size(), rotate);
}else if (physicType.compare("TriangleMesh") == 0){
this->physics.addTriangleMeshBody(*object, modelPath, mass, dampningL, dampningA, physicObjects.size(), objectScale*compScale, rotate);
} else{
printf("XMLError: Not a valid physicType.\n");
exit(-1);
}
if(compositionType == 20){
cameraCenter = object;
}
}//objectData found
}//finding the objectData
objectNum = objectNum + 1;
}//iterating over all objects of the composition
//iterate over all lights of the composition
XMLElement* xmlLight = composition->FirstChildElement("light");
for(; xmlLight; xmlLight=xmlLight->NextSiblingElement("light")){
glm::vec3 compRot, lightOffset, lightColour;
float compScale, compXPos, compYOffset, compZPos, lightIntensity;
errorCheck(thisComposition->FirstChildElement("scale")->QueryFloatText(&compScale));
errorCheck(xmlLight->FirstChildElement("xOffset")->QueryFloatText(&lightOffset[0]));
errorCheck(xmlLight->FirstChildElement("yOffset")->QueryFloatText(&lightOffset[1]));
errorCheck(xmlLight->FirstChildElement("zOffset")->QueryFloatText(&lightOffset[2]));
errorCheck(thisComposition->FirstChildElement("xPos")->QueryFloatText(&compXPos));
errorCheck(thisComposition->FirstChildElement("yOffset")->QueryFloatText(&compYOffset));
errorCheck(thisComposition->FirstChildElement("zPos")->QueryFloatText(&compZPos));
errorCheck(thisComposition->FirstChildElement("xRot")->QueryFloatText(&compRot[0]));
errorCheck(thisComposition->FirstChildElement("yRot")->QueryFloatText(&compRot[1]));
errorCheck(thisComposition->FirstChildElement("zRot")->QueryFloatText(&compRot[2]));
errorCheck(xmlLight->FirstChildElement("rColour")->QueryFloatText(&lightColour[0]));
errorCheck(xmlLight->FirstChildElement("gColour")->QueryFloatText(&lightColour[1]));
errorCheck(xmlLight->FirstChildElement("bColour")->QueryFloatText(&lightColour[2]));
errorCheck(xmlLight->FirstChildElement("intensity")->QueryFloatText(&lightIntensity));
glm::vec3 compPos = glm::vec3(compXPos,
compYOffset+terrain.getHeightmap()[int(compXPos-0.5+0.5*terrain.getHeightmapHeight())]
[int(compZPos-0.5+0.5*terrain.getHeightmapWidth())],
compZPos);
lightOffset = lightOffset * compScale;
glm::vec4 rotatedLightOffset = glm::rotate(compRot.x, glm::vec3(1.0f, 0.0f, 0.0f))
* glm::rotate(compRot.y, glm::vec3(0.0f, 1.0f, 0.0f))
* glm::rotate(compRot.z, glm::vec3(0.0f, 0.0f, 1.0f))
* glm::vec4(lightOffset, 0);
glm::vec3 lightPosition = compPos + glm::vec3(rotatedLightOffset.x,rotatedLightOffset.y,rotatedLightOffset.z);
Light light = Light(lightPosition, lightColour, lightIntensity);
lights.push_back(light);
}//iterating over all lights of the composition
}//corect composition found
}//iterating over all compositions in Compositions.xml
}//iterating over all compositions in Level.xml
//load triggers
XMLElement* composition = doc->FirstChildElement("composition");
for(; composition; composition=composition->NextSiblingElement("composition")){
XMLElement* xmlTrigger = composition->FirstChildElement("trigger");
for(; xmlTrigger; xmlTrigger=xmlTrigger->NextSiblingElement("trigger")){
const char* charName = xmlTrigger->FirstChildElement("name")->GetText();
if(charName == NULL){
printf("XMLError: No name found for a trigger.\n");
exit(-1);
}
std::string name = charName;
if (name.compare("-") != 0){
float xPos, yPos, zPos, distance;
bool isBigger;
int idGreen, idBlue, objectNum;
errorCheck(xmlTrigger->FirstChildElement("xPosition")->QueryFloatText(&xPos));
errorCheck(xmlTrigger->FirstChildElement("yPosition")->QueryFloatText(&yPos));
errorCheck(xmlTrigger->FirstChildElement("zPosition")->QueryFloatText(&zPos));
glm::vec3 position = glm::vec3(xPos, yPos, zPos);
const char* charTarget = xmlTrigger->FirstChildElement("targetIdGreen")->GetText();
if(charTarget == NULL){
printf("XMLError: No targetIdGreen found for a trigger.\n");
exit(-1);
}
std::string stringTarget = charTarget;
if (stringTarget.compare("-") != 0){
int targetIdGreen = 0, targetIdBlue = 0;
errorCheck(xmlTrigger->FirstChildElement("targetIdGreen")->QueryIntText(&targetIdGreen));
errorCheck(xmlTrigger->FirstChildElement("targetIdBlue")->QueryIntText(&targetIdBlue));
XMLElement* thisComposition = doc->FirstChildElement("composition");
for(; thisComposition; thisComposition=thisComposition->NextSiblingElement("composition")){
int thisIdGreen, thisIdBlue;
errorCheck(thisComposition->FirstChildElement("idGreen")->QueryIntText(&thisIdGreen));
errorCheck(thisComposition->FirstChildElement("idBlue")->QueryIntText(&thisIdBlue));
if (targetIdGreen == thisIdGreen && targetIdBlue == thisIdBlue){
glm::vec3 targetPosition;
errorCheck(thisComposition->FirstChildElement("xPos")->QueryFloatText(&targetPosition[0]));
errorCheck(thisComposition->FirstChildElement("yOffset")->QueryFloatText(&targetPosition[1]));
errorCheck(thisComposition->FirstChildElement("zPos")->QueryFloatText(&targetPosition[2]));
targetPosition[1] += terrain.getHeightmap()[int(targetPosition[0]-0.5+0.5*terrain.getHeightmapHeight())]
[int(targetPosition[2]-0.5+0.5*terrain.getHeightmapWidth())];
position += targetPosition;
}
}
}
errorCheck(xmlTrigger->FirstChildElement("distance")->QueryFloatText(&distance));
errorCheck(xmlTrigger->FirstChildElement("isBiggerThan")->QueryBoolText(&isBigger));
errorCheck(composition->FirstChildElement("idGreen")->QueryIntText(&idGreen));
errorCheck(composition->FirstChildElement("idBlue")->QueryIntText(&idBlue));
errorCheck(xmlTrigger->FirstChildElement("objectNum")->QueryIntText(&objectNum));
Object* object=0;
bool ok = false;
for (unsigned int i = 0; i<objectIdentifiers.size(); i++){
if (objectIdentifiers[i][2]==idGreen && objectIdentifiers[i][3]==idBlue && objectIdentifiers[i][4]==objectNum){
object = objects[objectIdentifiers[i][1]]; //Index in physic objects
if(ok){
printf("2 objects have the same ID while loading triggers.");
exit(-1);
}
ok = true;
}
}
if(!ok){
printf("No index found for a trigger object while loading triggers.");
exit(-1);
}
const char* charLuaScript = xmlTrigger->FirstChildElement("luaScript")->GetText();
if(charLuaScript == NULL){
printf("XMLError: No Lua script found for a trigger.\n");
exit(-1);
}
std::string luaScript = charLuaScript;
int toChangeIdGreen, toChangeIdBlue, toChangeObjNum, objectToChange=-1;
errorCheck(xmlTrigger->FirstChildElement("toChangeIdGreen")->QueryIntText(&toChangeIdGreen));
errorCheck(xmlTrigger->FirstChildElement("toChangeIdBlue")->QueryIntText(&toChangeIdBlue));
errorCheck(xmlTrigger->FirstChildElement("toChangeObjNum")->QueryIntText(&toChangeObjNum));
for (unsigned int i = 0; i<objectIdentifiers.size(); i++){
if (objectIdentifiers[i][2]==toChangeIdGreen && objectIdentifiers[i][3]==toChangeIdBlue && objectIdentifiers[i][4]==toChangeObjNum){
objectToChange = objectIdentifiers[i][1]; //Index in physic objects
}
}
if (object != 0) {
Trigger trigger = Trigger(position, distance, isBigger, object, luaScript, L, objectToChange);
triggers.push_back(trigger);
}
else {
printf("Triggering object not found.\n");
exit(-1);
}
}
}
}//triggers
//load positionConstraints
composition = doc->FirstChildElement("composition");
for(; composition; composition=composition->NextSiblingElement("composition")){
XMLElement* positionConstraint = composition->FirstChildElement("positionConstraint");
for(; positionConstraint; positionConstraint=positionConstraint->NextSiblingElement("positionConstraint")){
float xPos, yPos, zPos, strength;
int objectNum=0, idGreen=0, idBlue=0, objectIndex=0;
errorCheck(positionConstraint->FirstChildElement("xPosition")->QueryFloatText(&xPos));
errorCheck(positionConstraint->FirstChildElement("yPosition")->QueryFloatText(&yPos));
errorCheck(positionConstraint->FirstChildElement("zPosition")->QueryFloatText(&zPos));
errorCheck(positionConstraint->FirstChildElement("strength")->QueryFloatText(&strength));
errorCheck(positionConstraint->FirstChildElement("objectNum")->QueryIntText(&objectNum));
errorCheck(composition->FirstChildElement("idGreen")->QueryIntText(&idGreen));
errorCheck(composition->FirstChildElement("idBlue")->QueryIntText(&idBlue));
bool ok = false;
for (unsigned int i = 0; i<objectIdentifiers.size(); i++){
if (objectIdentifiers[i][2]==idGreen && objectIdentifiers[i][3]==idBlue && objectIdentifiers[i][4]==objectNum){
objectIndex = objectIdentifiers[i][1]; //Index in physic objects
if(ok){
printf("2 objects have the same ID while loading constraints.");
exit(-1);
}
ok = true;
}
}
if(!ok){
printf("No index found for a trigger object while loading constraints.");
exit(-1);
}
glm::vec3 position = glm::vec3(xPos, yPos, zPos);
physics.addPositionConstraint(objectIndex, strength, position);
}
}//positionConstraints
}
void Level::render(ACGL::OpenGL::SharedShaderProgram shader, bool lightingPass,
@ -513,10 +106,10 @@ void Level::update(float runTime, glm::vec2 mouseDelta, bool wPressed, bool aPre
cameraCenter->setPosition(physics.getPos(0));
cameraCenter->setRotation(physics.getRotation(0));
for(unsigned i = 0; i < physicObjects.size();i++)
for(unsigned i = 0; i < physicsObjects.size();i++)
{
physicObjects[i]->setPosition(physics.getPos(i));
physicObjects[i]->setRotation(physics.getRotation(i));
physicsObjects[i]->setPosition(physics.getPos(i));
physicsObjects[i]->setRotation(physics.getRotation(i));
}
skydome->setPosition(glm::vec3(cameraCenter->getPosition().x,
@ -559,11 +152,18 @@ void Level::setSkydomeSize(float size) {
skydomeSize = size;
}
float Level::getSkydomeSize() {
return this->skydomeSize;
}
std::vector<Object*>* Level::getObjects() {
return &objects;
}
std::vector<Object*>* Level::getPhysicsObjects() {
return &physicsObjects;
}
void Level::moveObject(int objectIndex, float strength, float xPos, float yPos, float zPos){
glm::vec3 position = glm::vec3(xPos, yPos, zPos);
physics.removePositionConstraint(objectIndex);
@ -572,7 +172,7 @@ void Level::moveObject(int objectIndex, float strength, float xPos, float yPos,
//should not be used since objects does not get synchronized and deletion is not implemented in pyhsics
void Level::deleteObject(int objectIndex){
physicObjects.erase(physicObjects.begin() + objectIndex);
physicsObjects.erase(physicsObjects.begin() + objectIndex);
for(unsigned int i = 0; i<triggers.size(); i++) {
if(triggers.at(i).deleteNotification(objectIndex)){
triggers.erase(triggers.begin() + i);
@ -581,10 +181,62 @@ void Level::deleteObject(int objectIndex){
}
}
int Level::getObjectCount(){
return physicObjects.size();
void Level::setStrength(float strength) {
this->strength = strength;
}
void Level::setSkydomeObject(Object* object){
this->skydome = object;
}
void Level::addObject(Object* object) {
objects.push_back(object);
}
void Level::addPhysicsObject(Object* object) {
physicsObjects.push_back(object);
}
void Level::setAmbientLight(glm::vec3 colour) {
this->ambientLight = colour;
}
void Level::setFogColour(glm::vec4 colour) {
this->fogColour = colour;
}
void Level::setDirectionalLight(Light light) {
this->directionalLight = light;
}
Physics* Level::getPhysics() {
return &physics;
}
unsigned int Level::getObjectsVectorSize() {
return objects.size();
}
unsigned int Level::getPhysicsObjectsVectorSize() {
return physicsObjects.size();
}
void Level::setCameraCenter(Object* object) {
this->cameraCenter = object;
}
void Level::addLight(Light light) {
this->lights.push_back(light);
}
void Level::addTrigger(Trigger trigger) {
this->triggers.push_back(trigger);
}
lua_State* Level::getLuaState() {
return luaState;
}
Terrain* Level::getTerrain() {
return &terrain;
}

30
level.hh
View File

@ -9,9 +9,15 @@
#include "material.hh"
#include "camera.hh"
#include "physics.hh"
#include "tinyxml2.hh"
#include "trigger.hh"
extern "C" {
#include "extern/lua/src/lua.h"
#include "extern/lua/src/lualib.h"
#include "extern/lua/src/lauxlib.h"
}
#include "extern/luabridge/LuaBridge.h"
class Level {
public:
Level(std::string levelNum);
@ -29,15 +35,31 @@ class Level {
glm::vec3 getCameraPosition();
glm::vec4 getFogColour();
void setSkydomeSize(float size);
float getSkydomeSize();
std::vector<Object*>* getObjects();
std::vector<Object*>* getPhysicsObjects();
void deleteObject(int objectIndex);
int getObjectCount();
void moveObject(int objectIndex, float strength, float xPos, float yPos, float zPos);
void setStrength(float strength);
void setSkydomeObject(Object* object);
void addObject(Object* object);
void addPhysicsObject(Object* object);
void setAmbientLight(glm::vec3 colour);
void setFogColour(glm::vec4 colour);
void setDirectionalLight(Light light);
Physics* getPhysics();
unsigned int getObjectsVectorSize();
unsigned int getPhysicsObjectsVectorSize();
void setCameraCenter(Object* object);
void addLight(Light light);
void addTrigger(Trigger trigger);
lua_State* getLuaState();
Terrain* getTerrain();
private:
void errorCheck(tinyxml2::XMLError error);
lua_State* luaState=nullptr;
std::string levelNum;
std::vector<Object*> objects;
std::vector<Object*> physicObjects;
std::vector<Object*> physicsObjects;
std::vector<Light> lights;
std::vector<Trigger> triggers;
glm::vec3 ambientLight;

410
loader.cc Normal file
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@ -0,0 +1,410 @@
#include "loader.hh"
using namespace tinyxml2;
Loader::Loader() {
}
void Loader::load(std::string filePath, Level* level) {
//Loading from xml:
XMLDocument* doc = new XMLDocument();
const char* xmlFile = ("../Levels/ObjectSetups/" + filePath).c_str();
doc->LoadFile(xmlFile);
if (doc->ErrorID()!=0){
printf("Could not open ObjectSetupXml!\n");
exit(-1);
}
//load global physic parameter
float friction, strength;
XMLElement* physicsElement = doc->FirstChildElement("physics");
errorCheck(physicsElement->FirstChildElement("strength")->QueryFloatText(&strength));
errorCheck(physicsElement->FirstChildElement("friction")->QueryFloatText(&friction));
level->setStrength(strength);
//load the skydome
XMLElement* skydomeElement = doc->FirstChildElement("skydome");
const char* charSkydomeTexture = skydomeElement->FirstChildElement("texture")->GetText();
if(charSkydomeTexture == NULL){
printf("XMLError: No skydomeTexture found.\n");
exit(-1);
}
std::string skydomeTexture = charSkydomeTexture;
Model skydomeModel = Model("skydome.obj", level->getSkydomeSize());
Material skydomeMaterial = Material(skydomeTexture, 0.7f, 0.0f, 0.0f, 0.0f);
Object* skydomeObject = new Object(skydomeModel, skydomeMaterial, glm::vec3(0.0f, 0.0f, 0.0f),
glm::vec3(0.0f, 0.0f, 0.0f));
level->addObject(skydomeObject);
level->setSkydomeObject(skydomeObject);
//load lighting parameters
float rColour, gColour, bColour, alpha, xOffset, yOffset, zOffset, intensity;
XMLElement* ambientElement = doc->FirstChildElement("ambientLight");
errorCheck(ambientElement->FirstChildElement("rColour")->QueryFloatText(&rColour));
errorCheck(ambientElement->FirstChildElement("gColour")->QueryFloatText(&gColour));
errorCheck(ambientElement->FirstChildElement("bColour")->QueryFloatText(&bColour));
level->setAmbientLight(glm::vec3(rColour,gColour,bColour));
XMLElement* fogElement = doc->FirstChildElement("fogColour");
errorCheck(fogElement->FirstChildElement("rColour")->QueryFloatText(&rColour));
errorCheck(fogElement->FirstChildElement("gColour")->QueryFloatText(&gColour));
errorCheck(fogElement->FirstChildElement("bColour")->QueryFloatText(&bColour));
errorCheck(fogElement->FirstChildElement("alpha")->QueryFloatText(&alpha));
level->setFogColour(glm::vec4(rColour,gColour,bColour, alpha));
XMLElement* directionalElement = doc->FirstChildElement("directionalLight");
errorCheck(directionalElement->FirstChildElement("xOffset")->QueryFloatText(&xOffset));
errorCheck(directionalElement->FirstChildElement("yOffset")->QueryFloatText(&yOffset));
errorCheck(directionalElement->FirstChildElement("zOffset")->QueryFloatText(&zOffset));
errorCheck(directionalElement->FirstChildElement("rColour")->QueryFloatText(&rColour));
errorCheck(directionalElement->FirstChildElement("gColour")->QueryFloatText(&gColour));
errorCheck(directionalElement->FirstChildElement("bColour")->QueryFloatText(&bColour));
errorCheck(directionalElement->FirstChildElement("intensity")->QueryFloatText(&intensity));
level->setDirectionalLight(Light(glm::vec3(xOffset,yOffset,zOffset), glm::vec3(rColour,gColour,bColour), intensity));
//load Objects
std::vector<std::vector<int>> objectIdentifiers = std::vector<std::vector<int>>(); //The first entry is the index in objects, the second one the index in physicObjects, the others are idGreen, idBlue and objectNum.
XMLDocument* compositions = new XMLDocument();
//TODO move path to config.xml
const char* compositionsFile = "../Levels/ObjectSetups/Compositions.xml";
compositions->LoadFile(compositionsFile);
if (compositions->ErrorID()!=0){
printf("Could not open Compositions!\n");
exit(-1);
}
//iterate over all compositions in Level.xml
XMLElement* thisComposition = doc->FirstChildElement("composition");
for(; thisComposition; thisComposition=thisComposition->NextSiblingElement("composition")){
int thisType = 0;
errorCheck(thisComposition->FirstChildElement("typeID")->QueryIntText(&thisType));
//iterate over all compositions in Compositions.xml to find the one corresponding to the current composition
XMLElement* composition = compositions->FirstChildElement("composition");
for(; composition; composition=composition->NextSiblingElement("composition")){
int compositionType = 0;
errorCheck(composition->FirstChildElement("typeID")->QueryIntText(&compositionType));
//corect composition found
if(thisType == compositionType){
//iterate over all objects of the composition
XMLElement* xmlObject = composition->FirstChildElement("object");
int objectNum = 0;
for(; xmlObject; xmlObject=xmlObject->NextSiblingElement("object")){
const char* charModelPath = xmlObject->FirstChildElement("modelPath")->GetText();
if(charModelPath == NULL){
printf("XMLError: No modelPath found in object.\n");
exit(-1);
}
std::string modelPath = charModelPath;
float objectScale, compScale;
errorCheck(xmlObject->FirstChildElement("scale")->QueryFloatText(&objectScale));
errorCheck(thisComposition->FirstChildElement("scale")->QueryFloatText(&compScale));
Model model = Model(modelPath, objectScale * compScale);
//find the objectData for the current object
XMLElement* objectData = compositions->FirstChildElement("objectData");
for(; objectData; objectData=objectData->NextSiblingElement("objectData")){
const char* charDataModelPath = objectData->FirstChildElement("modelPath")->GetText();
if(charDataModelPath == NULL){
printf("XMLError: No modelPath found in objectData.\n");
exit(-1);
}
std::string dataModelPath = charDataModelPath;
//objectData found
if(dataModelPath.compare(modelPath) == 0){
//create the object
float ambientFactor, diffuseFactor, specularFactor, shininess;
errorCheck(objectData->FirstChildElement("ambientFactor")->QueryFloatText(&ambientFactor));
errorCheck(objectData->FirstChildElement("diffuseFactor")->QueryFloatText(&diffuseFactor));
errorCheck(objectData->FirstChildElement("specularFactor")->QueryFloatText(&specularFactor));
errorCheck(objectData->FirstChildElement("shininess")->QueryFloatText(&shininess));
const char* charTexturePath = objectData->FirstChildElement("texturePath")->GetText();
if(charTexturePath == NULL){
printf("XMLError: No texturePath found in objectData.\n");
exit(-1);
}
std::string texturePath = charTexturePath;
Material material = Material(texturePath, ambientFactor, diffuseFactor, specularFactor, shininess);
float compXPos, compYOffset, compZPos;
glm::vec3 objectOffset, compRot;
errorCheck(xmlObject->FirstChildElement("xOffset")->QueryFloatText(&objectOffset[0]));
errorCheck(xmlObject->FirstChildElement("yOffset")->QueryFloatText(&objectOffset[1]));
errorCheck(xmlObject->FirstChildElement("zOffset")->QueryFloatText(&objectOffset[2]));
errorCheck(thisComposition->FirstChildElement("xPos")->QueryFloatText(&compXPos));
errorCheck(thisComposition->FirstChildElement("yOffset")->QueryFloatText(&compYOffset));
errorCheck(thisComposition->FirstChildElement("zPos")->QueryFloatText(&compZPos));
errorCheck(thisComposition->FirstChildElement("xRot")->QueryFloatText(&compRot[0]));
errorCheck(thisComposition->FirstChildElement("yRot")->QueryFloatText(&compRot[1]));
errorCheck(thisComposition->FirstChildElement("zRot")->QueryFloatText(&compRot[2]));
compRot *= 0.0174532925; //transform degrees to radians
bool ignoreHeightmap;
errorCheck(composition->FirstChildElement("ignoreHeightmap")->QueryBoolText(&ignoreHeightmap));
if (!ignoreHeightmap){
compYOffset = compYOffset+level->getTerrain()->getHeightmap()[int(compXPos-0.5+0.5*level->getTerrain()->getHeightmapHeight())]
[int(compZPos-0.5+0.5*level->getTerrain()->getHeightmapWidth())];
}
glm::vec3 compPos = glm::vec3(compXPos, compYOffset, compZPos);
objectOffset = objectOffset * compScale;
glm::vec4 rotatedObjectOffset = glm::rotate(compRot.x, glm::vec3(1.0f, 0.0f, 0.0f))
* glm::rotate(compRot.y, glm::vec3(0.0f, 1.0f, 0.0f))
* glm::rotate(compRot.z, glm::vec3(0.0f, 0.0f, 1.0f))
* glm::vec4(objectOffset, 0);
glm::vec3 objectPosition = compPos + glm::vec3(rotatedObjectOffset.x,rotatedObjectOffset.y,rotatedObjectOffset.z);
glm::vec3 objectRot;
errorCheck(xmlObject->FirstChildElement("xRot")->QueryFloatText(&objectRot[0]));
errorCheck(xmlObject->FirstChildElement("yRot")->QueryFloatText(&objectRot[1]));
errorCheck(xmlObject->FirstChildElement("zRot")->QueryFloatText(&objectRot[2]));
objectRot *= 0.0174532925; //transform degrees to radians
Object* object = new Object(model, material, objectPosition, compRot+objectRot);
level->addObject(object);
level->addPhysicsObject(object);
//create an identifier for this object
std::vector<int> objectIdentifier = std::vector<int>(5);
objectIdentifier[0] = level->getObjectsVectorSize()-1;
objectIdentifier[1] = level->getPhysicsObjectsVectorSize()-1;
int idGreen, idBlue;
errorCheck(thisComposition->FirstChildElement("idGreen")->QueryIntText(&idGreen));
errorCheck(thisComposition->FirstChildElement("idBlue")->QueryIntText(&idBlue));
objectIdentifier[2] = idGreen;
objectIdentifier[3] = idBlue;
objectIdentifier[4] = objectNum;
objectIdentifiers.push_back(objectIdentifier);
//add object to physics
const char* charPhysicType = objectData->FirstChildElement("physicType")->GetText();
if(charPhysicType == NULL){
printf("XMLError: No physicType found.\n");
exit(-1);
}
std::string physicType = charPhysicType;
float mass;
errorCheck(xmlObject->FirstChildElement("mass")->QueryFloatText(&mass));
float dampningL, dampningA;
XMLElement* constraint = thisComposition->FirstChildElement("positionConstraint");
bool rotate = (constraint == NULL);
errorCheck(objectData->FirstChildElement("dampningL")->QueryFloatText(&dampningL));
errorCheck(objectData->FirstChildElement("dampningA")->QueryFloatText(&dampningA));
if (physicType.compare("Player") == 0){
float radius;
errorCheck(objectData->FirstChildElement("radius")->QueryFloatText(&radius));
radius *= objectScale*compScale;
level->getPhysics()->addPlayer(friction, radius, *object, mass, dampningL, dampningA, level->getPhysicsObjectsVectorSize());
}else if (physicType.compare("Box") == 0){
float width, height, length;
errorCheck(objectData->FirstChildElement("width")->QueryFloatText(&width));
errorCheck(objectData->FirstChildElement("height")->QueryFloatText(&height));
errorCheck(objectData->FirstChildElement("length")->QueryFloatText(&length));
width *= objectScale*compScale;
height *= objectScale*compScale;
length *= objectScale*compScale;
level->getPhysics()->addBox(width, height, length, *object, mass, dampningL, dampningA, level->getPhysicsObjectsVectorSize(), rotate);
}else if (physicType.compare("Button") == 0){
float width, height, length;
errorCheck(objectData->FirstChildElement("width")->QueryFloatText(&width));
errorCheck(objectData->FirstChildElement("height")->QueryFloatText(&height));
errorCheck(objectData->FirstChildElement("length")->QueryFloatText(&length));
width *= objectScale*compScale;
height *= objectScale*compScale;
length *= objectScale*compScale;
level->getPhysics()->addButton(width, height, length, *object, mass, dampningL, dampningA, level->getPhysicsObjectsVectorSize(), rotate);
}else if (physicType.compare("TriangleMesh") == 0){
level->getPhysics()->addTriangleMeshBody(*object, modelPath, mass, dampningL, dampningA, level->getPhysicsObjectsVectorSize(), objectScale*compScale, rotate);
} else{
printf("XMLError: Not a valid physicType.\n");
exit(-1);
}
if(compositionType == 20){
level->setCameraCenter(object);
}
}//objectData found
}//finding the objectData
objectNum = objectNum + 1;
}//iterating over all objects of the composition
//iterate over all lights of the composition
XMLElement* xmlLight = composition->FirstChildElement("light");
for(; xmlLight; xmlLight=xmlLight->NextSiblingElement("light")){
glm::vec3 compRot, lightOffset, lightColour;
float compScale, compXPos, compYOffset, compZPos, lightIntensity;
errorCheck(thisComposition->FirstChildElement("scale")->QueryFloatText(&compScale));
errorCheck(xmlLight->FirstChildElement("xOffset")->QueryFloatText(&lightOffset[0]));
errorCheck(xmlLight->FirstChildElement("yOffset")->QueryFloatText(&lightOffset[1]));
errorCheck(xmlLight->FirstChildElement("zOffset")->QueryFloatText(&lightOffset[2]));
errorCheck(thisComposition->FirstChildElement("xPos")->QueryFloatText(&compXPos));
errorCheck(thisComposition->FirstChildElement("yOffset")->QueryFloatText(&compYOffset));
errorCheck(thisComposition->FirstChildElement("zPos")->QueryFloatText(&compZPos));
errorCheck(thisComposition->FirstChildElement("xRot")->QueryFloatText(&compRot[0]));
errorCheck(thisComposition->FirstChildElement("yRot")->QueryFloatText(&compRot[1]));
errorCheck(thisComposition->FirstChildElement("zRot")->QueryFloatText(&compRot[2]));
errorCheck(xmlLight->FirstChildElement("rColour")->QueryFloatText(&lightColour[0]));
errorCheck(xmlLight->FirstChildElement("gColour")->QueryFloatText(&lightColour[1]));
errorCheck(xmlLight->FirstChildElement("bColour")->QueryFloatText(&lightColour[2]));
errorCheck(xmlLight->FirstChildElement("intensity")->QueryFloatText(&lightIntensity));
glm::vec3 compPos = glm::vec3(compXPos,
compYOffset+level->getTerrain()->getHeightmap()[int(compXPos-0.5+0.5*level->getTerrain()->getHeightmapHeight())]
[int(compZPos-0.5+0.5*level->getTerrain()->getHeightmapWidth())],
compZPos);
lightOffset = lightOffset * compScale;
glm::vec4 rotatedLightOffset = glm::rotate(compRot.x, glm::vec3(1.0f, 0.0f, 0.0f))
* glm::rotate(compRot.y, glm::vec3(0.0f, 1.0f, 0.0f))
* glm::rotate(compRot.z, glm::vec3(0.0f, 0.0f, 1.0f))
* glm::vec4(lightOffset, 0);
glm::vec3 lightPosition = compPos + glm::vec3(rotatedLightOffset.x,rotatedLightOffset.y,rotatedLightOffset.z);
Light light = Light(lightPosition, lightColour, lightIntensity);
level->addLight(light);
}//iterating over all lights of the composition
}//corect composition found
}//iterating over all compositions in Compositions.xml
}//iterating over all compositions in Level.xml
//load triggers
XMLElement* composition = doc->FirstChildElement("composition");
for(; composition; composition=composition->NextSiblingElement("composition")){
XMLElement* xmlTrigger = composition->FirstChildElement("trigger");
for(; xmlTrigger; xmlTrigger=xmlTrigger->NextSiblingElement("trigger")){
const char* charName = xmlTrigger->FirstChildElement("name")->GetText();
if(charName == NULL){
printf("XMLError: No name found for a trigger.\n");
exit(-1);
}
std::string name = charName;
if (name.compare("-") != 0){
float xPos, yPos, zPos, distance;
bool isBigger;
int idGreen, idBlue, objectNum;
errorCheck(xmlTrigger->FirstChildElement("xPosition")->QueryFloatText(&xPos));
errorCheck(xmlTrigger->FirstChildElement("yPosition")->QueryFloatText(&yPos));
errorCheck(xmlTrigger->FirstChildElement("zPosition")->QueryFloatText(&zPos));
glm::vec3 position = glm::vec3(xPos, yPos, zPos);
const char* charTarget = xmlTrigger->FirstChildElement("targetIdGreen")->GetText();
if(charTarget == NULL){
printf("XMLError: No targetIdGreen found for a trigger.\n");
exit(-1);
}
std::string stringTarget = charTarget;
if (stringTarget.compare("-") != 0){
int targetIdGreen = 0, targetIdBlue = 0;
errorCheck(xmlTrigger->FirstChildElement("targetIdGreen")->QueryIntText(&targetIdGreen));
errorCheck(xmlTrigger->FirstChildElement("targetIdBlue")->QueryIntText(&targetIdBlue));
XMLElement* thisComposition = doc->FirstChildElement("composition");
for(; thisComposition; thisComposition=thisComposition->NextSiblingElement("composition")){
int thisIdGreen, thisIdBlue;
errorCheck(thisComposition->FirstChildElement("idGreen")->QueryIntText(&thisIdGreen));
errorCheck(thisComposition->FirstChildElement("idBlue")->QueryIntText(&thisIdBlue));
if (targetIdGreen == thisIdGreen && targetIdBlue == thisIdBlue){
glm::vec3 targetPosition;
errorCheck(thisComposition->FirstChildElement("xPos")->QueryFloatText(&targetPosition[0]));
errorCheck(thisComposition->FirstChildElement("yOffset")->QueryFloatText(&targetPosition[1]));
errorCheck(thisComposition->FirstChildElement("zPos")->QueryFloatText(&targetPosition[2]));
targetPosition[1] += level->getTerrain()->getHeightmap()[int(targetPosition[0]-0.5+0.5*level->getTerrain()->getHeightmapHeight())]
[int(targetPosition[2]-0.5+0.5*level->getTerrain()->getHeightmapWidth())];
position += targetPosition;
}
}
}
errorCheck(xmlTrigger->FirstChildElement("distance")->QueryFloatText(&distance));
errorCheck(xmlTrigger->FirstChildElement("isBiggerThan")->QueryBoolText(&isBigger));
errorCheck(composition->FirstChildElement("idGreen")->QueryIntText(&idGreen));
errorCheck(composition->FirstChildElement("idBlue")->QueryIntText(&idBlue));
errorCheck(xmlTrigger->FirstChildElement("objectNum")->QueryIntText(&objectNum));
Object* object=0;
bool ok = false;
for (unsigned int i = 0; i<objectIdentifiers.size(); i++){
if (objectIdentifiers[i][2]==idGreen && objectIdentifiers[i][3]==idBlue && objectIdentifiers[i][4]==objectNum){
object = level->getPhysicsObjects()->at(objectIdentifiers[i][1]); //Index in physics objects
if(ok){
printf("2 objects have the same ID while loading triggers.");
exit(-1);
}
ok = true;
}
}
if(!ok){
printf("No index found for a trigger object while loading triggers.");
exit(-1);
}
const char* charLuaScript = xmlTrigger->FirstChildElement("luaScript")->GetText();
if(charLuaScript == NULL){
printf("XMLError: No Lua script found for a trigger.\n");
exit(-1);
}
std::string luaScript = charLuaScript;
int toChangeIdGreen, toChangeIdBlue, toChangeObjNum, objectToChange=-1;
errorCheck(xmlTrigger->FirstChildElement("toChangeIdGreen")->QueryIntText(&toChangeIdGreen));
errorCheck(xmlTrigger->FirstChildElement("toChangeIdBlue")->QueryIntText(&toChangeIdBlue));
errorCheck(xmlTrigger->FirstChildElement("toChangeObjNum")->QueryIntText(&toChangeObjNum));
for (unsigned int i = 0; i<objectIdentifiers.size(); i++){
if (objectIdentifiers[i][2]==toChangeIdGreen && objectIdentifiers[i][3]==toChangeIdBlue && objectIdentifiers[i][4]==toChangeObjNum){
objectToChange = objectIdentifiers[i][1]; //Index in physic objects
}
}
if (object != 0) {
Trigger trigger = Trigger(position, distance, isBigger, object, luaScript, level->getLuaState(), objectToChange);
level->addTrigger(trigger);
}
else {
printf("Triggering object not found.\n");
exit(-1);
}
}
}
}//triggers
//load positionConstraints
composition = doc->FirstChildElement("composition");
for(; composition; composition=composition->NextSiblingElement("composition")){
XMLElement* positionConstraint = composition->FirstChildElement("positionConstraint");
for(; positionConstraint; positionConstraint=positionConstraint->NextSiblingElement("positionConstraint")){
float xPos, yPos, zPos, strength;
int objectNum=0, idGreen=0, idBlue=0, objectIndex=0;
errorCheck(positionConstraint->FirstChildElement("xPosition")->QueryFloatText(&xPos));
errorCheck(positionConstraint->FirstChildElement("yPosition")->QueryFloatText(&yPos));
errorCheck(positionConstraint->FirstChildElement("zPosition")->QueryFloatText(&zPos));
errorCheck(positionConstraint->FirstChildElement("strength")->QueryFloatText(&strength));
errorCheck(positionConstraint->FirstChildElement("objectNum")->QueryIntText(&objectNum));
errorCheck(composition->FirstChildElement("idGreen")->QueryIntText(&idGreen));
errorCheck(composition->FirstChildElement("idBlue")->QueryIntText(&idBlue));
bool ok = false;
for (unsigned int i = 0; i<objectIdentifiers.size(); i++){
if (objectIdentifiers[i][2]==idGreen && objectIdentifiers[i][3]==idBlue && objectIdentifiers[i][4]==objectNum){
objectIndex = objectIdentifiers[i][1]; //Index in physic objects
if(ok){
printf("2 objects have the same ID while loading constraints.");
exit(-1);
}
ok = true;
}
}
if(!ok){
printf("No index found for a trigger object while loading constraints.");
exit(-1);
}
glm::vec3 position = glm::vec3(xPos, yPos, zPos);
level->getPhysics()->addPositionConstraint(objectIndex, strength, position);
}
}//positionConstraints
}
void Loader::errorCheck(XMLError error){
if (error) {
printf("XMLError: ");
if (error == XML_WRONG_ATTRIBUTE_TYPE) {
printf("Wrong attribute type.\n");
}
else if (error == XML_NO_ATTRIBUTE) {
printf("No attribute.\n");
}
else if (error == XML_CAN_NOT_CONVERT_TEXT) {
printf("Can not convert text.\n");
}
else if (error == XML_NO_TEXT_NODE) {
printf("No text.\n");
}
else {
printf("Unknown error.\n");
}
exit(-1);
}
}

12
loader.hh Normal file
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@ -0,0 +1,12 @@
#pragma once
#include "level.hh"
#include "tinyxml2.hh"
class Loader {
public:
Loader();
void load(std::string filePath, Level* level);
private:
void errorCheck(tinyxml2::XMLError error);
};