1.1 --- a/level/src/level.cc	Tue May 22 05:02:00 2012 +0300
     1.2 +++ b/level/src/level.cc	Wed May 23 07:25:43 2012 +0300
     1.3 @@ -1,6 +1,9 @@
     1.4  #include <stdio.h>
     1.5  #include <string.h>
     1.6  #include "level.h"
     1.7 +#include "datapath.h"
     1.8 +
     1.9 +using namespace tinyxml2;
    1.10  
    1.11  Level::Level()
    1.12  {
    1.13 @@ -12,14 +15,162 @@
    1.14  
    1.15  bool Level::load(const char *fname)
    1.16  {
    1.17 -	if(!xml.LoadFile(fname)) {
    1.18 +	push_data_path();
    1.19 +	add_data_path(fname);
    1.20 +
    1.21 +	if(xml.LoadFile(fname) != 0) {
    1.22  		fprintf(stderr, "failed to load level: %s\n", fname);
    1.23 +		pop_data_path();
    1.24  		return false;
    1.25  	}
    1.26  
    1.27  	if(strcmp(xml.RootElement()->Name(), "level") != 0) {
    1.28  		fprintf(stderr, "invalid level file: %s\n", fname);
    1.29 +		pop_data_path();
    1.30  		return false;
    1.31  	}
    1.32 +
    1.33 +	XMLNode *node = xml.RootElement()->FirstChild();
    1.34 +	do {
    1.35 +		XMLElement *elem = node->ToElement();
    1.36 +		if(elem) {
    1.37 +			if(strcmp(elem->Name(), "map") == 0) {
    1.38 +				LevelMap map;
    1.39 +
    1.40 +				if(!map.load(elem)) {
    1.41 +					pop_data_path();
    1.42 +					return false;
    1.43 +				}
    1.44 +				levelmaps[map.get_name()] = std::move(map);
    1.45 +
    1.46 +			} else {
    1.47 +				fprintf(stderr, "ignoring unrecognized element: %s\n", elem->Name());
    1.48 +			}
    1.49 +		}
    1.50 +	} while((node = node->NextSibling()));
    1.51 +
    1.52 +	pop_data_path();
    1.53 +	return true;
    1.54 +}
    1.55 +
    1.56 +
    1.57 +LevelMap::LevelMap()
    1.58 +{
    1.59 +	init();
    1.60 +}
    1.61 +
    1.62 +void LevelMap::init()
    1.63 +{
    1.64 +	scale = 1.0f;
    1.65 +	img_init(&img);
    1.66 +	name = 0;
    1.67 +}
    1.68 +
    1.69 +LevelMap::~LevelMap()
    1.70 +{
    1.71 +	destroy();
    1.72 +}
    1.73 +
    1.74 +void LevelMap::destroy()
    1.75 +{
    1.76 +	if(img.pixels) {
    1.77 +		img_destroy(&img);
    1.78 +	}
    1.79 +	delete [] name;
    1.80 +}
    1.81 +
    1.82 +// copy
    1.83 +LevelMap::LevelMap(const LevelMap &map)
    1.84 +{
    1.85 +	init();
    1.86 +	*this = map;
    1.87 +}
    1.88 +
    1.89 +LevelMap &LevelMap::operator =(const LevelMap &map)
    1.90 +{
    1.91 +	if(this != &map) {
    1.92 +		destroy();
    1.93 +
    1.94 +		scale = map.scale;
    1.95 +		img_init(&img);
    1.96 +		img_copy(&img, (img_pixmap*)&map.img);
    1.97 +
    1.98 +		name = new char[strlen(map.name) + 1];
    1.99 +		strcpy(name, map.name);
   1.100 +	}
   1.101 +	return *this;
   1.102 +}
   1.103 +
   1.104 +// move semantics
   1.105 +LevelMap::LevelMap(LevelMap &&map)
   1.106 +{
   1.107 +	init();
   1.108 +	*this = std::move(map);
   1.109 +}
   1.110 +
   1.111 +LevelMap &LevelMap::operator =(LevelMap &&map)
   1.112 +{
   1.113 +	if(this != &map) {
   1.114 +		destroy();
   1.115 +
   1.116 +		scale = map.scale;
   1.117 +
   1.118 +		img = map.img;
   1.119 +		map.img.pixels = 0;
   1.120 +		map.img.name = 0;
   1.121 +
   1.122 +		name = map.name;
   1.123 +		map.name = 0;
   1.124 +	}
   1.125 +
   1.126 +	return *this;
   1.127 +}
   1.128 +
   1.129 +bool LevelMap::load(XMLElement *xelem)
   1.130 +{
   1.131 +	char fname[PATH_MAX];
   1.132 +
   1.133 +	const char *attr = xelem->Attribute("type");
   1.134 +	if(!attr) {
   1.135 +		fprintf(stderr, "map element without a type attribute\n");
   1.136 +		return false;
   1.137 +	}
   1.138 +	name = new char[strlen(attr) + 1];
   1.139 +	strcpy(name, attr);
   1.140 +
   1.141 +	attr = xelem->Attribute("file");
   1.142 +	if(!attr) {
   1.143 +		fprintf(stderr, "map element without a file attribute\n");
   1.144 +		return false;
   1.145 +	}
   1.146 +	if(!find_file(attr, fname)) {
   1.147 +		fprintf(stderr, "failed to locate image: %s\n", attr);
   1.148 +		return false;
   1.149 +	}
   1.150 +
   1.151 +	if(img_load(&img, fname) == -1) {
   1.152 +		fprintf(stderr, "failed to load image: %s\n", fname);
   1.153 +		return false;
   1.154 +	}
   1.155 +
   1.156 +	float val;
   1.157 +	if(xelem->QueryFloatAttribute("scale", &val) == 0) {
   1.158 +		scale = val;
   1.159 +	}
   1.160  	return true;
   1.161  }
   1.162 +
   1.163 +float LevelMap::get_scale() const
   1.164 +{
   1.165 +	return scale;
   1.166 +}
   1.167 +
   1.168 +const img_pixmap *LevelMap::get_pixmap() const
   1.169 +{
   1.170 +	return &img;
   1.171 +}
   1.172 +
   1.173 +const char *LevelMap::get_name() const
   1.174 +{
   1.175 +	return name;
   1.176 +}