1 #include <stdio.h>

2 #include <string.h>

3 #include "opengl.h"

4 #include "level.h"

5 #include "datapath.h"

6 #include "terrain.h"

7

8 using namespace tinyxml2;

9

10 Level::Level()

11 {

12 }

13

14 Level::~Level()

15 {

16 }

17

18 bool Level::load(const char *fname)

19 {

20 push_data_path();

21 add_data_path(fname);

22

23 if(xml.LoadFile(fname) != 0) {

24 fprintf(stderr, "failed to load level: %s\n", fname);

25 pop_data_path();

26 return false;

27 }

28

29 if(strcmp(xml.RootElement()->Name(), "level") != 0) {

30 fprintf(stderr, "invalid level file: %s\n", fname);

31 pop_data_path();

32 return false;

33 }

34

35 XMLNode *node = xml.RootElement()->FirstChild();

36 do {

37 XMLElement *elem = node->ToElement();

38 if(!elem) {

39 fprintf(stderr, "ignoring non-element child of <level>\n");

40 continue;

41 }

42

43 if(strcmp(elem->Name(), "terrain") == 0) {

44 if(terrain) {

45 fprintf(stderr, "<level> must only have a single terrain child! ignoring\n");

46 continue;

47 }

48

49 terrain = new Terrain;

50 if(!terrain->load(elem)) {

51 fprintf(stderr, "failed to load terrain\n");

52 pop_data_path();

53 return false;

54 }

55

56 float val;

57 if(elem->QueryFloatAttribute("size", &val) == 0) {

58 printf("terrain size: %f\n", val);

59 terrain->set_size(val);

60 }

61 } else {

62 fprintf(stderr, "ignoring unexpected child of <level>: %s\n", elem->Name());

63 continue;

64 }

65

66 } while((node = node->NextSibling()));

67

68 pop_data_path();

69 return true;

70 }

71

72 void Level::draw() const

73 {

74 terrain->draw();

75 }