Dogcows Code - chaz/yoink/blob - src/Character.cc

   1
   2 /*******************************************************************************
   3
   4  Copyright (c) 2009, Charles McGarvey
   5  All rights reserved.
   6
   7  Redistribution   and   use  in  source  and  binary  forms,  with  or  without
   8  modification, are permitted provided that the following conditions are met:
   9
  10    * Redistributions  of  source  code  must retain the above copyright notice,
  11      this list of conditions and the following disclaimer.
  12    * Redistributions  in binary form must reproduce the above copyright notice,
  13      this  list of conditions and the following disclaimer in the documentation
  14      and/or other materials provided with the distribution.
  15
  16  THIS  SOFTWARE  IS  PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17  AND  ANY  EXPRESS  OR  IMPLIED  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19  DISCLAIMED.  IN  NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  20  FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  DAMAGES  (INCLUDING,  BUT  NOT  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22  SERVICES;  LOSS  OF  USE,  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  23  CAUSED  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24  OR  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26
  27 *******************************************************************************/
  28
  29 #include <iostream>
  30
  31 #include "Character.hh"
  32 #include "Log.hh"
  33
  34
  35 Character::Character(const std::string& name) :
  36         tilemap_(name),
  37         animation_(name)
  38 {
  39         current.mass = 1.0;
  40         current.inverseMass = 1.0 / current.mass;
  41
  42         current.force = Mf::Vector2(0.0, -120.0);
  43
  44         current.position = Mf::Vector2(64.0, 64.0);
  45         current.momentum = Mf::Vector2(0.0, 0.0);
  46         current.recalculate();
  47
  48         previous = current;
  49
  50         updateContainers();
  51 }
  52
  53 Character::~Character()
  54 {
  55         //delete texture;
  56         //delete anim;
  57 }
  58
  59
  60 void Character::update(Mf::Scalar t, Mf::Scalar dt)
  61 {
  62         previous = current;
  63         Mf::integrate<State,Derivative>(current, t, dt);
  64
  65         animation_.update(t, dt);
  66
  67         updateContainers();
  68 }
  69
  70 void Character::updateContainers()
  71 {
  72         aabb_.init(Mf::Vector3(current.position[0]-16.0, current.position[1]-16.0, z),
  73                         Mf::Vector3(current.position[0]+16.0, current.position[1]+16.0, z));
  74         sphere_.point = Mf::Vector3(current.position[0], current.position[1], z);
  75         sphere_.radius = (aabb_.min - sphere_.point).length();
  76 }
  77
  78 void Character::handleEvent(const Mf::Event& event)
  79 {
  80         // really just for heroine...
  81
  82         Mf::Scalar force = 500.0;
  83
  84         Mf::Vector2 left = Mf::Vector2(-force, 0.0);
  85         Mf::Vector2 right = Mf::Vector2(force, 0.0);
  86         Mf::Vector2 down = Mf::Vector2(0.0, -force);
  87         Mf::Vector2 up = Mf::Vector2(0.0, force);
  88
  89         switch (event.type)
  90         {
  91                 case SDL_KEYDOWN:
  92                         if (event.key.keysym.sym == SDLK_a)
  93                         {
  94                                 current.force += left;
  95                         }
  96                         else if (event.key.keysym.sym == SDLK_d)
  97                         {
  98                                 current.force += right;
  99                         }
 100                         else if (event.key.keysym.sym == SDLK_s)
 101                         {
 102                                 current.force += down;
 103                         }
 104                         else if (event.key.keysym.sym == SDLK_w)
 105                         {
 106                                 current.force += up;
 107                         }
 108                         break;
 109
 110                 case SDL_KEYUP:
 111                         if (event.key.keysym.sym == SDLK_a)
 112                         {
 113                                 current.force -= left;
 114                         }
 115                         else if (event.key.keysym.sym == SDLK_d)
 116                         {
 117                                 current.force -= right;
 118                         }
 119                         else if (event.key.keysym.sym == SDLK_s)
 120                         {
 121                                 current.force -= down;
 122                         }
 123                         else if (event.key.keysym.sym == SDLK_w)
 124                         {
 125                                 current.force -= up;
 126                         }
 127                         break;
 128         }
 129
 130         //Mf::logInfo("current force [%f %f]", current.force[0], current.force[1]);
 131         //std::cerr << "current force: " << current.force << std::endl;
 132 }
 133
 134
 135 void Character::draw(Mf::Scalar alpha) const
 136 {
 137         State state = cml::lerp(previous, current, alpha);
 138
 139         glColor3f(1.0f, 1.0f, 1.0f);
 140         tilemap_.bind();
 141
 142         Mf::Tilemap::Index frame = animation_.getFrame();
 143
 144         Mf::Scalar coords[8];
 145         tilemap_.getTileCoords(frame, coords);
 146
 147         Mf::Scalar s = 16.0;
 148
 149         glBegin(GL_TRIANGLE_FAN);
 150                 glTexCoord2f(coords[0], coords[1]);
 151                 glVertex3(state.position[0]-s, state.position[1]-s, z);
 152                 glTexCoord2f(coords[2], coords[3]);
 153                 glVertex3(state.position[0]+s, state.position[1]-s, z);
 154                 glTexCoord2f(coords[4], coords[5]);
 155                 glVertex3(state.position[0]+s, state.position[1]+s, z);
 156                 glTexCoord2f(coords[6], coords[7]);
 157                 glVertex3(state.position[0]-s, state.position[1]+s, z);
 158         glEnd();
 159 }
 160
 161
 162 Mf::Tilemap& Character::getTilemap()
 163 {
 164         return tilemap_;
 165 }
 166
 167 Mf::Animation& Character::getAnimation()
 168 {
 169         return animation_;
 170 }
 171
 172
 173 /** vim: set ts=4 sw=4 tw=80: *************************************************/
 174