MegaGlest/source/glest_game/world/map.cpp

942 lines
23 KiB
C++

// ==============================================================
// ==============================================================
// This file is part of Glest (www.glest.org)
//
// Copyright (C) 2001-2008 Martio Figueroa
//
// You can redistribute this code and/or modify it under
// the terms of the GNU General Public License as published
// by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version
// ==============================================================
#include "map.h"
#include <cassert>
#include "tileset.h"
#include "unit.h"
#include "resource.h"
#include "logger.h"
#include "tech_tree.h"
#include "config.h"
#include "util.h"
#include "game_settings.h"
#include "platform_util.h"
#include "pos_iterator.h"
#include "leak_dumper.h"
using namespace Shared::Graphics;
using namespace Shared::Util;
using namespace Shared::Platform;
namespace Glest{ namespace Game{
// =====================================================
// class Cell
// =====================================================
Cell::Cell(){
//game data
for(int i=0; i<fieldCount; ++i){
units[i]= NULL;
}
height= 0;
}
// ==================== misc ====================
//returns if the cell is free
bool Cell::isFree(Field field) const{
return getUnit(field)==NULL || getUnit(field)->isPutrefacting();
}
// =====================================================
// class SurfaceCell
// =====================================================
SurfaceCell::SurfaceCell(){
object= NULL;
vertex= Vec3f(0.f);
normal= Vec3f(0.f, 1.f, 0.f);
surfaceType= -1;
surfaceTexture= NULL;
}
SurfaceCell::~SurfaceCell(){
delete object;
}
bool SurfaceCell::isFree() const{
return object==NULL || object->getWalkable();
}
void SurfaceCell::deleteResource(){
delete object;
object= NULL;
}
void SurfaceCell::setExplored(int teamIndex, bool explored){
this->explored[teamIndex]= explored;
}
void SurfaceCell::setVisible(int teamIndex, bool visible){
this->visible[teamIndex]= visible;
}
// =====================================================
// class Map
// =====================================================
// ===================== PUBLIC ========================
const int Map::cellScale= 2;
const int Map::mapScale= 2;
Map::Map(){
cells= NULL;
surfaceCells= NULL;
startLocations= NULL;
}
Map::~Map(){
Logger::getInstance().add("Cells", true);
delete [] cells;
delete [] surfaceCells;
delete [] startLocations;
}
void Map::load(const string &path, TechTree *techTree, Tileset *tileset){
struct MapFileHeader{
int32 version;
int32 maxPlayers;
int32 width;
int32 height;
int32 altFactor;
int32 waterLevel;
int8 title[128];
int8 author[128];
int8 description[256];
};
try{
FILE *f= fopen(path.c_str(), "rb");
if(f!=NULL){
//read header
MapFileHeader header;
size_t readBytes = fread(&header, sizeof(MapFileHeader), 1, f);
if(next2Power(header.width) != header.width){
throw runtime_error("Map width is not a power of 2");
}
if(next2Power(header.height) != header.height){
throw runtime_error("Map height is not a power of 2");
}
heightFactor= header.altFactor;
waterLevel= static_cast<float>((header.waterLevel-0.01f)/heightFactor);
title= header.title;
maxPlayers= header.maxPlayers;
surfaceW= header.width;
surfaceH= header.height;
w= surfaceW*cellScale;
h= surfaceH*cellScale;
//start locations
startLocations= new Vec2i[maxPlayers];
for(int i=0; i<maxPlayers; ++i){
int x, y;
readBytes = fread(&x, sizeof(int32), 1, f);
readBytes = fread(&y, sizeof(int32), 1, f);
startLocations[i]= Vec2i(x, y)*cellScale;
}
//cells
cells= new Cell[w*h];
surfaceCells= new SurfaceCell[surfaceW*surfaceH];
//read heightmap
for(int j=0; j<surfaceH; ++j){
for(int i=0; i<surfaceW; ++i){
float32 alt;
readBytes = fread(&alt, sizeof(float32), 1, f);
SurfaceCell *sc= getSurfaceCell(i, j);
sc->setVertex(Vec3f(i*mapScale, alt / heightFactor, j*mapScale));
}
}
//read surfaces
for(int j=0; j<surfaceH; ++j){
for(int i=0; i<surfaceW; ++i){
int8 surf;
readBytes = fread(&surf, sizeof(int8), 1, f);
getSurfaceCell(i, j)->setSurfaceType(surf-1);
}
}
//read objects and resources
for(int j=0; j<h; j+= cellScale){
for(int i=0; i<w; i+= cellScale){
int8 objNumber;
readBytes = fread(&objNumber, sizeof(int8), 1, f);
SurfaceCell *sc= getSurfaceCell(toSurfCoords(Vec2i(i, j)));
if(objNumber==0){
sc->setObject(NULL);
}
else if(objNumber <= Tileset::objCount){
Object *o= new Object(tileset->getObjectType(objNumber-1), sc->getVertex());
sc->setObject(o);
for(int k=0; k<techTree->getResourceTypeCount(); ++k){
const ResourceType *rt= techTree->getResourceType(k);
if(rt->getClass()==rcTileset && rt->getTilesetObject()==objNumber){
o->setResource(rt, Vec2i(i, j));
}
}
}
else{
const ResourceType *rt= techTree->getTechResourceType(objNumber - Tileset::objCount) ;
Object *o= new Object(NULL, sc->getVertex());
o->setResource(rt, Vec2i(i, j));
sc->setObject(o);
}
}
}
}
else{
throw runtime_error("Can't open file");
}
fclose(f);
}
catch(const exception &e){
throw runtime_error("Error loading map: "+ path+ "\n"+ e.what());
}
}
void Map::init(){
Logger::getInstance().add("Heightmap computations", true);
smoothSurface();
computeNormals();
computeInterpolatedHeights();
computeNearSubmerged();
computeCellColors();
}
// ==================== is ====================
bool Map::isInside(int x, int y) const{
return x>=0 && y>=0 && x<w && y<h;
}
bool Map::isInside(const Vec2i &pos) const{
return isInside(pos.x, pos.y);
}
bool Map::isInsideSurface(int sx, int sy) const{
return sx>=0 && sy>=0 && sx<surfaceW && sy<surfaceH;
}
bool Map::isInsideSurface(const Vec2i &sPos) const{
return isInsideSurface(sPos.x, sPos.y);
}
//returns if there is a resource next to a unit, in "resourcePos" is stored the relative position of the resource
bool Map::isResourceNear(const Vec2i &pos, const ResourceType *rt, Vec2i &resourcePos, int size) const{
for(int i=-1; i<=size; ++i){
for(int j=-1; j<=size; ++j){
if(isInside(pos.x+i, pos.y+j)){
Resource *r= getSurfaceCell(toSurfCoords(Vec2i(pos.x+i, pos.y+j)))->getResource();
if(r!=NULL){
if(r->getType()==rt){
resourcePos= pos + Vec2i(i,j);
return true;
}
}
}
}
}
return false;
}
//returns if there is a resource next to a unit, in "resourcePos" is stored the relative position of the resource
bool Map::isResourceNear(const Vec2i &pos, int size, const ResourceType *rt, Vec2i &resourcePos) const {
Vec2i p1 = pos + Vec2i(-1);
Vec2i p2 = pos + Vec2i(size);
Util::PerimeterIterator iter(p1, p2);
while (iter.more()) {
Vec2i cur = iter.next();
if (isInside(cur)) {
Resource *r = getSurfaceCell(toSurfCoords(cur))->getResource();
if (r && r->getType() == rt) {
resourcePos = cur;
return true;
}
}
}
return false;
}
// ==================== free cells ====================
bool Map::isFreeCell(const Vec2i &pos, Field field) const{
return
isInside(pos) &&
getCell(pos)->isFree(field) &&
(field==fAir || getSurfaceCell(toSurfCoords(pos))->isFree()) &&
(field!=fLand || !getDeepSubmerged(getCell(pos)));
}
bool Map::isFreeCellOrHasUnit(const Vec2i &pos, Field field, const Unit *unit) const{
if(isInside(pos)){
Cell *c= getCell(pos);
if(c->getUnit(unit->getCurrField())==unit){
return true;
}
else{
return isFreeCell(pos, field);
}
}
return false;
}
bool Map::isAproxFreeCell(const Vec2i &pos, Field field, int teamIndex) const{
if(isInside(pos)){
const SurfaceCell *sc= getSurfaceCell(toSurfCoords(pos));
if(sc->isVisible(teamIndex)){
return isFreeCell(pos, field);
}
else if(sc->isExplored(teamIndex)){
return field==fLand? sc->isFree() && !getDeepSubmerged(getCell(pos)): true;
}
else{
return true;
}
}
return false;
}
bool Map::isFreeCells(const Vec2i & pos, int size, Field field) const{
for(int i=pos.x; i<pos.x+size; ++i){
for(int j=pos.y; j<pos.y+size; ++j){
if(!isFreeCell(Vec2i(i,j), field)){
return false;
}
}
}
return true;
}
bool Map::isFreeCellsOrHasUnit(const Vec2i &pos, int size, Field field, const Unit *unit) const{
for(int i=pos.x; i<pos.x+size; ++i){
for(int j=pos.y; j<pos.y+size; ++j){
if(!isFreeCellOrHasUnit(Vec2i(i,j), field, unit)){
return false;
}
}
}
return true;
}
bool Map::isAproxFreeCells(const Vec2i &pos, int size, Field field, int teamIndex) const{
for(int i=pos.x; i<pos.x+size; ++i){
for(int j=pos.y; j<pos.y+size; ++j){
if(!isAproxFreeCell(Vec2i(i, j), field, teamIndex)){
return false;
}
}
}
return true;
}
bool Map::canOccupy(const Vec2i &pos, Field field, const UnitType *ut, CardinalDir facing) {
if (ut->hasCellMap()) {
for (int y=0; y < ut->getSize(); ++y) {
for (int x=0; x < ut->getSize(); ++x) {
if (ut->getCellMapCell(x, y, facing)) {
if (!isFreeCell(pos + Vec2i(x, y), field)) {
return false;
}
}
}
}
return true;
} else {
return isFreeCells(pos, ut->getSize(), field);
}
}
// ==================== unit placement ====================
//checks if a unit can move from between 2 cells
bool Map::canMove(const Unit *unit, const Vec2i &pos1, const Vec2i &pos2) const{
int size= unit->getType()->getSize();
for(int i=pos2.x; i<pos2.x+size; ++i){
for(int j=pos2.y; j<pos2.y+size; ++j){
if(isInside(i, j)){
if(getCell(i, j)->getUnit(unit->getCurrField())!=unit){
if(!isFreeCell(Vec2i(i, j), unit->getCurrField())){
return false;
}
}
}
else{
return false;
}
}
}
return true;
}
//checks if a unit can move from between 2 cells using only visible cells (for pathfinding)
bool Map::aproxCanMove(const Unit *unit, const Vec2i &pos1, const Vec2i &pos2) const{
int size= unit->getType()->getSize();
int teamIndex= unit->getTeam();
Field field= unit->getCurrField();
//single cell units
if(size==1){
if(!isAproxFreeCell(pos2, field, teamIndex)){
return false;
}
if(pos1.x!=pos2.x && pos1.y!=pos2.y){
if(!isAproxFreeCell(Vec2i(pos1.x, pos2.y), field, teamIndex)){
return false;
}
if(!isAproxFreeCell(Vec2i(pos2.x, pos1.y), field, teamIndex)){
return false;
}
}
return true;
}
//multi cell units
else{
for(int i=pos2.x; i<pos2.x+size; ++i){
for(int j=pos2.y; j<pos2.y+size; ++j){
if(isInside(i, j)){
if(getCell(i, j)->getUnit(unit->getCurrField())!=unit){
if(!isAproxFreeCell(Vec2i(i, j), field, teamIndex)){
return false;
}
}
}
else{
return false;
}
}
}
return true;
}
}
Vec2i Map::computeRefPos(const Selection *selection) const {
Vec2i total= Vec2i(0);
for(int i = 0; i < selection->getCount(); ++i) {
if(selection == NULL || selection->getUnit(i) == NULL) {
throw runtime_error("selection == NULL || selection->getUnit(i) == NULL");
}
total = total + selection->getUnit(i)->getPos();
}
return Vec2i(total.x / selection->getCount(), total.y / selection->getCount());
}
Vec2i Map::computeDestPos( const Vec2i &refUnitPos, const Vec2i &unitPos,
const Vec2i &commandPos) const {
Vec2i pos;
Vec2i posDiff = unitPos - refUnitPos;
if(abs(posDiff.x) >= 3){
posDiff.x = posDiff.x % 3;
}
if(abs(posDiff.y) >= 3){
posDiff.y = posDiff.y % 3;
}
pos = commandPos + posDiff;
clampPos(pos);
return pos;
}
std::pair<float,Vec2i> Map::getUnitDistanceToPos(const Unit *unit,Vec2i pos,const UnitType *ut) {
if(unit == NULL) {
throw runtime_error("unit == NULL");
}
std::pair<float,Vec2i> result(-1,Vec2i(0));
int unitId= unit->getId();
Vec2i unitPos= computeDestPos(unit->getPos(), unit->getPos(), pos);
Vec2i start = pos - Vec2i(1);
int unitTypeSize = 0;
if(ut != NULL) {
unitTypeSize = ut->getSize();
}
Vec2i end = pos + Vec2i(unitTypeSize);
for(int i = start.x; i <= end.x; ++i) {
for(int j = start.y; j <= end.y; ++j){
Vec2i testPos(i,j);
if(ut == NULL || isInUnitTypeCells(ut, pos,testPos) == false) {
float distance = unitPos.dist(testPos);
if(result.first < 0 || result.first > distance) {
result.first = distance;
result.second = testPos;
}
}
}
}
return result;
}
const Unit * Map::findClosestUnitToPos(const Selection *selection, Vec2i originalBuildPos,
const UnitType *ut) const {
const Unit *closestUnit = NULL;
Vec2i refPos = computeRefPos(selection);
Vec2i pos = originalBuildPos;
float bestRange = -1;
Vec2i start = pos - Vec2i(1);
int unitTypeSize = 0;
if(ut != NULL) {
unitTypeSize = ut->getSize();
}
Vec2i end = pos + Vec2i(unitTypeSize);
for(int i = 0; i < selection->getCount(); ++i) {
const Unit *unit = selection->getUnit(i);
int unitId= unit->getId();
Vec2i unitBuilderPos= computeDestPos(refPos, unit->getPos(), pos);
for(int i = start.x; i <= end.x; ++i) {
for(int j = start.y; j <= end.y; ++j){
Vec2i testPos(i,j);
if(isInUnitTypeCells(ut, originalBuildPos,testPos) == false) {
float distance = unitBuilderPos.dist(testPos);
if(bestRange < 0 || bestRange > distance) {
bestRange = distance;
pos = testPos;
closestUnit = unit;
}
}
}
}
}
return closestUnit;
}
Vec2i Map::findBestBuildApproach(Vec2i unitBuilderPos, Vec2i originalBuildPos,
const UnitType *ut) const {
Vec2i pos = originalBuildPos;
float bestRange = -1;
Vec2i start = pos - Vec2i(1);
Vec2i end = pos + Vec2i(ut->getSize());
for(int i = start.x; i <= end.x; ++i) {
for(int j = start.y; j <= end.y; ++j){
Vec2i testPos(i,j);
if(isInUnitTypeCells(ut, originalBuildPos,testPos) == false) {
float distance = unitBuilderPos.dist(testPos);
if(bestRange < 0 || bestRange > distance) {
bestRange = distance;
pos = testPos;
}
}
}
}
return pos;
}
bool Map::isNextToUnitTypeCells(const UnitType *ut, const Vec2i &pos,
const Vec2i &testPos) const {
bool isInsideDestUnitCells = isInUnitTypeCells(ut, pos,testPos);
if(isInsideDestUnitCells == false) {
Cell *testCell = getCell(testPos);
for(int i=-1; i <= ut->getSize(); ++i){
for(int j = -1; j <= ut->getSize(); ++j) {
Vec2i currPos = pos + Vec2i(i, j);
if(isInside(currPos) == true) {
//Cell *unitCell = getCell(currPos);
//if(unitCell == testCell) {
if(isNextTo(testPos,currPos) == true) {
return true;
}
}
}
}
}
return false;
}
// is testPos in the cells of unitType where unitType's position is pos
bool Map::isInUnitTypeCells(const UnitType *ut, const Vec2i &pos,
const Vec2i &testPos) const {
assert(ut!=NULL);
Cell *testCell = getCell(testPos);
for(int i=0; i < ut->getSize(); ++i){
for(int j = 0; j < ut->getSize(); ++j) {
Vec2i currPos = pos + Vec2i(i, j);
if(isInside(currPos) == true) {
Cell *unitCell = getCell(currPos);
if(unitCell == testCell) {
return true;
}
}
}
}
return false;
}
//put a units into the cells
void Map::putUnitCells(Unit *unit, const Vec2i &pos){
assert(unit!=NULL);
const UnitType *ut= unit->getType();
for(int i=0; i<ut->getSize(); ++i){
for(int j=0; j<ut->getSize(); ++j){
Vec2i currPos= pos + Vec2i(i, j);
assert(isInside(currPos));
if(!ut->hasCellMap() || ut->getCellMapCell(i, j, unit->getModelFacing())){
assert(getCell(currPos)->getUnit(unit->getCurrField())==NULL);
getCell(currPos)->setUnit(unit->getCurrField(), unit);
}
}
}
unit->setPos(pos);
}
//removes a unit from cells
void Map::clearUnitCells(Unit *unit, const Vec2i &pos){
assert(unit!=NULL);
const UnitType *ut= unit->getType();
for(int i=0; i<ut->getSize(); ++i){
for(int j=0; j<ut->getSize(); ++j){
Vec2i currPos= pos + Vec2i(i, j);
assert(isInside(currPos));
if(!ut->hasCellMap() || ut->getCellMapCell(i, j, unit->getModelFacing())){
assert(getCell(currPos)->getUnit(unit->getCurrField())==unit);
getCell(currPos)->setUnit(unit->getCurrField(), NULL);
}
}
}
}
// ==================== misc ====================
//return if unit is next to pos
bool Map::isNextTo(const Vec2i &pos, const Unit *unit) const{
for(int i=-1; i<=1; ++i){
for(int j=-1; j<=1; ++j){
if(isInside(pos.x+i, pos.y+j)) {
if(getCell(pos.x+i, pos.y+j)->getUnit(fLand)==unit){
return true;
}
}
}
}
return false;
}
//return if unit is next to pos
bool Map::isNextTo(const Vec2i &pos, const Vec2i &nextToPos) const {
for(int i=-1; i<=1; ++i) {
for(int j=-1; j<=1; ++j) {
if(isInside(pos.x+i, pos.y+j)) {
if(getCell(pos.x+i, pos.y+j) == getCell(nextToPos.x,nextToPos.y)) {
return true;
}
}
}
}
return false;
}
void Map::clampPos(Vec2i &pos) const{
if(pos.x<0){
pos.x=0;
}
if(pos.y<0){
pos.y=0;
}
if(pos.x>=w){
pos.x=w-1;
}
if(pos.y>=h){
pos.y=h-1;
}
}
void Map::prepareTerrain(const Unit *unit){
flatternTerrain(unit);
computeNormals();
computeInterpolatedHeights();
}
// ==================== PRIVATE ====================
// ==================== compute ====================
void Map::flatternTerrain(const Unit *unit){
float refHeight= getSurfaceCell(toSurfCoords(unit->getCenteredPos()))->getHeight();
for(int i=-1; i<=unit->getType()->getSize(); ++i){
for(int j=-1; j<=unit->getType()->getSize(); ++j){
Vec2i pos= unit->getPos()+Vec2i(i, j);
Cell *c= getCell(pos);
SurfaceCell *sc= getSurfaceCell(toSurfCoords(pos));
//we change height if pos is inside world, if its free or ocupied by the currenty building
if(isInside(pos) && sc->getObject()==NULL && (c->getUnit(fLand)==NULL || c->getUnit(fLand)==unit)){
sc->setHeight(refHeight);
}
}
}
}
//compute normals
void Map::computeNormals(){
//compute center normals
for(int i=1; i<surfaceW-1; ++i){
for(int j=1; j<surfaceH-1; ++j){
getSurfaceCell(i, j)->setNormal(
getSurfaceCell(i, j)->getVertex().normal(getSurfaceCell(i, j-1)->getVertex(),
getSurfaceCell(i+1, j)->getVertex(),
getSurfaceCell(i, j+1)->getVertex(),
getSurfaceCell(i-1, j)->getVertex()));
}
}
}
void Map::computeInterpolatedHeights(){
for(int i=0; i<w; ++i){
for(int j=0; j<h; ++j){
getCell(i, j)->setHeight(getSurfaceCell(toSurfCoords(Vec2i(i, j)))->getHeight());
}
}
for(int i=1; i<surfaceW-1; ++i){
for(int j=1; j<surfaceH-1; ++j){
for(int k=0; k<cellScale; ++k){
for(int l=0; l<cellScale; ++l){
if(k==0 && l==0){
getCell(i*cellScale, j*cellScale)->setHeight(getSurfaceCell(i, j)->getHeight());
}
else if(k!=0 && l==0){
getCell(i*cellScale+k, j*cellScale)->setHeight((
getSurfaceCell(i, j)->getHeight()+
getSurfaceCell(i+1, j)->getHeight())/2.f);
}
else if(l!=0 && k==0){
getCell(i*cellScale, j*cellScale+l)->setHeight((
getSurfaceCell(i, j)->getHeight()+
getSurfaceCell(i, j+1)->getHeight())/2.f);
}
else{
getCell(i*cellScale+k, j*cellScale+l)->setHeight((
getSurfaceCell(i, j)->getHeight()+
getSurfaceCell(i, j+1)->getHeight()+
getSurfaceCell(i+1, j)->getHeight()+
getSurfaceCell(i+1, j+1)->getHeight())/4.f);
}
}
}
}
}
}
void Map::smoothSurface(){
float *oldHeights= new float[surfaceW*surfaceH];
for(int i=0; i<surfaceW*surfaceH; ++i){
oldHeights[i]= surfaceCells[i].getHeight();
}
for(int i=1; i<surfaceW-1; ++i){
for(int j=1; j<surfaceH-1; ++j){
float height= 0.f;
for(int k=-1; k<=1; ++k){
for(int l=-1; l<=1; ++l){
height+= oldHeights[(j+k)*surfaceW+(i+l)];
}
}
height/= 9.f;
getSurfaceCell(i, j)->setHeight(height);
Object *object= getSurfaceCell(i, j)->getObject();
if(object!=NULL){
object->setHeight(height);
}
}
}
delete [] oldHeights;
}
void Map::computeNearSubmerged(){
for(int i=0; i<surfaceW-1; ++i){
for(int j=0; j<surfaceH-1; ++j){
bool anySubmerged= false;
for(int k=-1; k<=2; ++k){
for(int l=-1; l<=2; ++l){
Vec2i pos= Vec2i(i+k, j+l);
if(isInsideSurface(pos)){
if(getSubmerged(getSurfaceCell(pos)))
anySubmerged= true;
}
}
}
getSurfaceCell(i, j)->setNearSubmerged(anySubmerged);
}
}
}
void Map::computeCellColors(){
for(int i=0; i<surfaceW; ++i){
for(int j=0; j<surfaceH; ++j){
SurfaceCell *sc= getSurfaceCell(i, j);
if(getDeepSubmerged(sc)){
float factor= clamp(waterLevel-sc->getHeight()*1.5f, 1.f, 1.5f);
sc->setColor(Vec3f(1.0f, 1.0f, 1.0f)/factor);
}
else{
sc->setColor(Vec3f(1.0f, 1.0f, 1.0f));
}
}
}
}
// static
string Map::getMapPath(const string &mapName, string scenarioDir, bool errorOnNotFound) {
Config &config = Config::getInstance();
vector<string> pathList = config.getPathListForType(ptMaps,scenarioDir);
for(int idx = 0; idx < pathList.size(); idx++) {
const string &map_path = pathList[idx];
const string mega = map_path + "/" + mapName + ".mgm";
const string glest = map_path + "/" + mapName + ".gbm";
if (fileExists(mega)) {
return mega;
}
else if (fileExists(glest)) {
return glest;
}
}
if(errorOnNotFound == true) {
throw runtime_error("Map [" + mapName + "] not found, scenarioDir [" + scenarioDir + "]");
}
return "";
}
// =====================================================
// class PosCircularIterator
// =====================================================
PosCircularIterator::PosCircularIterator(const Map *map, const Vec2i &center, int radius){
this->map= map;
this->radius= radius;
this->center= center;
pos= center - Vec2i(radius, radius);
pos.x-= 1;
}
bool PosCircularIterator::next(){
//iterate while dont find a cell that is inside the world
//and at less or equal distance that the radius
do{
pos.x++;
if(pos.x > center.x+radius){
pos.x= center.x-radius;
pos.y++;
}
if(pos.y>center.y+radius)
return false;
}
#ifdef USE_STREFLOP
while(streflop::floor(pos.dist(center)) >= (radius+1) || !map->isInside(pos));
#else
while(floor(pos.dist(center)) >= (radius+1) || !map->isInside(pos));
#endif
//while(!(pos.dist(center) <= radius && map->isInside(pos)));
return true;
}
const Vec2i &PosCircularIterator::getPos(){
return pos;
}
// =====================================================
// class PosQuadIterator
// =====================================================
PosQuadIterator::PosQuadIterator(const Map *map, const Quad2i &quad, int step){
this->map= map;
this->quad= quad;
this->boundingRect= quad.computeBoundingRect();
this->step= step;
pos= boundingRect.p[0];
--pos.x;
pos.x= (pos.x/step)*step;
pos.y= (pos.y/step)*step;
}
bool PosQuadIterator::next(){
do{
pos.x+= step;
if(pos.x > boundingRect.p[1].x){
pos.x= (boundingRect.p[0].x/step)*step;
pos.y+= step;
}
if(pos.y>boundingRect.p[1].y)
return false;
}
while(!quad.isInside(pos));
return true;
}
void PosQuadIterator::skipX(){
pos.x+= step;
}
const Vec2i &PosQuadIterator::getPos(){
return pos;
}
}}//end namespace