Open Source Tomb Raider Engine
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TextureManager.h 2.6KB

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  1. /*!
  2. * \file include/TextureManager.h
  3. * \brief Texture registry
  4. *
  5. * \author Mongoose
  6. * \author xythobuz
  7. */
  8. #ifndef _TEXTURE_MANAGER_H
  9. #define _TEXTURE_MANAGER_H
  10. #include <cstdint>
  11. #include <vector>
  12. // These are loaded into TextureStorage::SYSTEM by initialize()!
  13. #define TEXTURE_WHITE 0
  14. #define TEXTURE_SPLASH 1
  15. class TextureTileVertex {
  16. public:
  17. TextureTileVertex(uint8_t xc, uint8_t xp, uint8_t yc, uint8_t yp);
  18. uint8_t xCoordinate, xPixel;
  19. uint8_t yCoordinate, yPixel;
  20. };
  21. class TextureTile {
  22. public:
  23. TextureTile(uint16_t a, uint16_t t) : attribute(a), texture(t) { }
  24. ~TextureTile();
  25. void add(TextureTileVertex* t);
  26. void displayRectangle(float x, float y, float w, float h, float z);
  27. private:
  28. uint16_t attribute;
  29. uint16_t texture;
  30. std::vector<TextureTileVertex*> vertices;
  31. };
  32. /*!
  33. * \brief Texture registry
  34. */
  35. class TextureManager {
  36. public:
  37. enum class TextureStorage {
  38. GAME,
  39. SYSTEM
  40. };
  41. ~TextureManager();
  42. int initialize();
  43. int numTextures(TextureStorage s = TextureStorage::GAME);
  44. /*!
  45. * \brief Binds the texture for use in GL
  46. * \param n valid texture index
  47. * \param s Which TextureStorage should be accessed
  48. */
  49. void bindTextureId(unsigned int n, TextureStorage s = TextureStorage::GAME);
  50. /*!
  51. * \brief Loads Buffer as texture
  52. * \param image pixmap matching other params
  53. * \param width width of image
  54. * \param height height of image
  55. * \param mode mode of image
  56. * \param bpp bits per pixel of image
  57. * \param s Which TextureStorage should be accessed
  58. * \param slot slot (ID) of image
  59. * \param filter if the texture should be mipmap filtered
  60. * \returns texture ID or < 0 on error
  61. */
  62. int loadBufferSlot(unsigned char* image,
  63. unsigned int width, unsigned int height,
  64. ColorMode mode, unsigned int bpp,
  65. TextureStorage s = TextureStorage::GAME,
  66. int slot = -1, bool filter = true);
  67. int loadImage(const char* filename, TextureStorage s = TextureStorage::GAME, int slot = -1);
  68. void addTile(TextureTile* t);
  69. int numTiles();
  70. TextureTile& getTile(int index);
  71. private:
  72. std::vector<unsigned int>& getIds(TextureStorage s);
  73. int loadTGA(const char* filename, TextureStorage s, int slot);
  74. int loadPCX(const char* filename, TextureStorage s, int slot);
  75. int loadPNG(const char* filename, TextureStorage s, int slot);
  76. std::vector<unsigned int> mTextureIdsGame;
  77. std::vector<unsigned int> mTextureIdsSystem;
  78. std::vector<TextureTile*> tiles;
  79. };
  80. TextureManager& getTextureManager();
  81. #endif