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 "Character.hh"
  30
  31 #include <iostream>
  32
  33 Character::Character(const std::string& name) :
  34         tilemap_(name),
  35         animation_(name)
  36 {
  37         current.mass = 1.0;
  38         current.inverseMass = 1.0 / current.mass;
  39
  40         current.force = Mf::Vector2(0.0, -120.0);
  41
  42         current.position = Mf::Vector2(64.0, 64.0);
  43         current.momentum = Mf::Vector2(0.0, 0.0);
  44         current.recalculate();
  45
  46         previous = current;
  47
  48         updateContainers();
  49 }
  50
  51 Character::~Character()
  52 {
  53         //delete texture;
  54         //delete anim;
  55 }
  56
  57
  58 void Character::update(Mf::Scalar t, Mf::Scalar dt)
  59 {
  60         previous = current;
  61         Mf::integrate<State,Derivative>(current, t, dt);
  62
  63         animation_.update(t, dt);
  64
  65         updateContainers();
  66 }
  67
  68 void Character::updateContainers()
  69 {
  70         aabb_.init(Mf::Vector3(current.position[0]-16.0, current.position[1]-16.0, z),
  71                         Mf::Vector3(current.position[0]+16.0, current.position[1]+16.0, z));
  72         sphere_.point = Mf::Vector3(current.position[0], current.position[1], z);
  73         sphere_.radius = (aabb_.min - sphere_.point).length();
  74 }
  75
  76 void Character::handleEvent(const Mf::Event& event)
  77 {
  78         // really just for heroine...
  79
  80         Mf::Scalar force = 500.0;
  81
  82         Mf::Vector2 left = Mf::Vector2(-force, 0.0);
  83         Mf::Vector2 right = Mf::Vector2(force, 0.0);
  84         Mf::Vector2 down = Mf::Vector2(0.0, -force);
  85         Mf::Vector2 up = Mf::Vector2(0.0, force);
  86
  87         switch (event.type)
  88         {
  89                 case SDL_KEYDOWN:
  90                         if (event.key.keysym.sym == SDLK_a)
  91                         {
  92                                 current.force += left;
  93                         }
  94                         else if (event.key.keysym.sym == SDLK_d)
  95                         {
  96                                 current.force += right;
  97                         }
  98                         else if (event.key.keysym.sym == SDLK_s)
  99                         {
 100                                 current.force += down;
 101                         }
 102                         else if (event.key.keysym.sym == SDLK_w)
 103                         {
 104                                 current.force += up;
 105                         }
 106                         break;
 107
 108                 case SDL_KEYUP:
 109                         if (event.key.keysym.sym == SDLK_a)
 110                         {
 111                                 current.force -= left;
 112                         }
 113                         else if (event.key.keysym.sym == SDLK_d)
 114                         {
 115                                 current.force -= right;
 116                         }
 117                         else if (event.key.keysym.sym == SDLK_s)
 118                         {
 119                                 current.force -= down;
 120                         }
 121                         else if (event.key.keysym.sym == SDLK_w)
 122                         {
 123                                 current.force -= up;
 124                         }
 125                         break;
 126         }
 127
 128         std::cout << "current force: " << current.force << std::endl;
 129 }
 130
 131
 132 void Character::draw(Mf::Scalar alpha) const
 133 {
 134         State state = cml::lerp(previous, current, alpha);
 135
 136         glColor3f(1.0f, 1.0f, 1.0f);
 137         tilemap_.bind();
 138
 139         Mf::Tilemap::Index frame = animation_.getFrame();
 140
 141         Mf::Scalar coords[8];
 142         tilemap_.getTileCoords(frame, coords);
 143
 144         Mf::Scalar s = 16.0;
 145
 146         glBegin(GL_QUADS);
 147                 glTexCoord2f(coords[0], coords[1]);
 148                 glVertex3(state.position[0]-s, state.position[1]-s, z);
 149                 glTexCoord2f(coords[2], coords[3]);
 150                 glVertex3(state.position[0]+s, state.position[1]-s, z);
 151                 glTexCoord2f(coords[4], coords[5]);
 152                 glVertex3(state.position[0]+s, state.position[1]+s, z);
 153                 glTexCoord2f(coords[6], coords[7]);
 154                 glVertex3(state.position[0]-s, state.position[1]+s, z);
 155         glEnd();
 156 }
 157
 158
 159 Mf::Tilemap& Character::getTilemap()
 160 {
 161         return tilemap_;
 162 }
 163
 164 Mf::Animation& Character::getAnimation()
 165 {
 166         return animation_;
 167 }
 168
 169
 170 /** vim: set ts=4 sw=4 tw=80: *************************************************/
 171