Dogcows Code - chaz/yoink/blob - src/moof/sprite.cc

   1
   2 /*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
   3 **]  All rights reserved.
   4 *
   5 * vi:ts=4 sw=4 tw=75
   6 *
   7 * Distributable under the terms and conditions of the 2-clause BSD license;
   8 * see the file COPYING for a complete text of the license.
   9 *
  10 **************************************************************************/
  11
  12 #include <cstdio>               // FILE
  13 #include <cstring>              // strncmp
  14 #include <stdexcept>
  15
  16 #include <boost/algorithm/string.hpp>
  17 #include <boost/bind.hpp>
  18
  19 #include "dispatcher.hh"
  20 #include "log.hh"
  21 #include "opengl.hh"
  22 #include "sprite.hh"
  23
  24
  25 namespace moof {
  26
  27
  28 sprite::sprite(const std::string& path, int tile)
  29 {
  30         image_ = resource::load(path);
  31         image_->tile_coordinates(tile, tile_);
  32 }
  33
  34 sprite::sprite(const image_handle& image, int tile) :
  35         image_(image)
  36 {
  37         image_->tile_coordinates(tile, tile_);
  38 }
  39
  40 sprite::sprite(const sprite& sprite, int tile)
  41 {
  42         // FIXME broken
  43         image_ = sprite.image_;
  44 }
  45
  46
  47 void sprite::image(const std::string& path)
  48 {
  49         image_ = resource::load(path);
  50         // FIXME what about tiles?
  51 }
  52
  53 void sprite::tile(int tile)
  54 {
  55         if (image_) image_->tile_coordinates(tile, tile_);
  56 }
  57
  58
  59 void sprite::bind() const
  60 {
  61         if (image_) image_->bind();
  62 }
  63
  64 void sprite::reset_binding()
  65 {
  66         image::reset_binding();
  67 }
  68
  69
  70 void sprite::draw(const vector3 vertices[4]) const
  71 {
  72         bind();
  73
  74         glVertexPointer(3, GL_SCALAR, 0, vertices[0].data());
  75         glTexCoordPointer(2, GL_SCALAR, 0, tile_);
  76
  77         glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
  78 }
  79
  80
  81 /*
  82         void min_filter(GLuint filter)
  83         {
  84                 bind();
  85                 mMinFilter = filter;
  86                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, mMinFilter);
  87         }
  88
  89         void mag_filter(GLuint filter)
  90         {
  91                 bind();
  92                 mMagFilter = filter;
  93                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mMagFilter);
  94         }
  95
  96         void wrap_s(GLuint wrap)
  97         {
  98                 bind();
  99                 mWrapS = wrap;
 100                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, mWrapS);
 101         }
 102
 103         void wrap_t(GLuint wrap)
 104         {
 105                 bind();
 106                 mWrapT = wrap;
 107                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, mWrapT);
 108         }
 109
 110
 111 bool sprite::tile_coordinates(int index, scalar coords[8],
 112                 orientation orientation) const
 113 {
 114         if (tile_coordinates(index, coords))
 115         {
 116                 if (orientation & flip)
 117                 {
 118                         // this looks kinda weird, but it's just swapping in a way that
 119                         // doesn't require an intermediate variable
 120                         coords[1] = coords[5];
 121                         coords[5] = coords[3];
 122                         coords[3] = coords[7];
 123                         coords[7] = coords[5];
 124                 }
 125                 if (orientation & reverse)
 126                 {
 127                         coords[0] = coords[2];
 128                         coords[2] = coords[6];
 129                         coords[4] = coords[6];
 130                         coords[6] = coords[0];
 131                 }
 132
 133                 return true;
 134         }
 135
 136         return false;
 137 }
 138 */
 139
 140
 141 } // namespace moof
 142