logic.c

   1
   2
   3 // change tile type
   4 void change_tile(mcrd m){
   5   if(mp(m)->type ++ == 4)
   6     mp(m)->type = 0;
   7   if(worlds[0].selunit) fill_map(worlds[0].selunit);
   8 }
   9
  10
  11
  12 void select_next_unit(){
  13   do{
  14     if(worlds[0].selunit && worlds[0].selunit != (unit*)l_last(worlds[0].units))
  15       worlds[0].selunit = (unit*)l_next(worlds[0].selunit);
  16     else
  17       worlds[0].selunit = (unit*)l_first(worlds[0].units);
  18   }while(worlds[0].selunit->player != player);
  19   fill_map(worlds[0].selunit);
  20 }
  21
  22
  23
  24 void select_unit(mcrd m){
  25   worlds[0].selunit = mp(m)->unit;
  26   fill_map(worlds[0].selunit);
  27 }
  28
  29
  30
  31 void kill_unit(unit * u){
  32   mp(u->mcrd)->unit = NULL;
  33   if(u == worlds[0].selunit) worlds[0].selunit = NULL;
  34   free( l_rem(worlds[0].units, u) );
  35 }
  36
  37
  38
  39 // type: 0-рукопашаня, 1-стрельба, 2-метание, 3-таран
  40 // u1 - атакующий, u2 - защищающийся
  41 void start_attack(unit * u1, unit * u2, int type) {
  42   worlds[0].mode         = MODE_ATTACK;
  43   worlds[0].attack_u1    = u1;
  44   worlds[0].attack_u2    = u2;
  45   worlds[0].attack_crd   = worlds[0].attack_u2->mcrd;
  46   worlds[0].attack_index = 0;
  47   mp(worlds[0].attack_u1->mcrd)->unit = NULL;
  48
  49   //0-рукопашная
  50   if(type==0){
  51     worlds[0].attack_stage      = 0; // наступление
  52     worlds[0].attack_is_shoot   = false;
  53     worlds[0].attack_is_counter = false;
  54   }
  55   //1-стрельба
  56   if(type==1){
  57     worlds[0].attack_shoot_index = 0;
  58     worlds[0].attack_is_shoot    = true;
  59   }
  60   //2-метание
  61   if(type==2){
  62     /*todo*/;
  63   }
  64   //3-таран
  65   if(type==3){
  66     /*todo*/;
  67   }
  68 }
  69
  70
  71
  72 void start_moving(unit * u, mcrd m) {
  73   if(mp(m)->cost > u->type->mvp || u->mvp == 0)
  74     return;
  75
  76   worlds[0].move_unit = u;
  77   mp(u->mcrd)->unit = NULL;
  78
  79   get_path(m);
  80   worlds[0].mode = MODE_MOVE;
  81   worlds[0].move_tile = (mnode*)l_first(worlds[0].path);
  82   worlds[0].move_index = 0;
  83 }
  84
  85
  86
  87 void finish_movement(){
  88   worlds[0].mode = MODE_SELECT;
  89
  90   worlds[0].move_unit->mcrd = worlds[0].move_tile->crd;
  91   worlds[0].move_unit->scrd = map2scr(worlds[0].move_tile->crd);
  92   mp(worlds[0].move_unit->mcrd)->unit = worlds[0].move_unit;
  93
  94   if(find_feature(worlds[0].move_unit, FEATURE_IGNR))
  95     worlds[0].move_unit->mvp -= mp(worlds[0].move_unit->mcrd)->cost;
  96   else
  97     worlds[0].move_unit->mvp = 0;
  98
  99   clear_path();
 100   fill_map(worlds[0].move_unit);
 101
 102   worlds[0].move_unit = NULL;
 103 }
 104
 105
 106
 107 void ambush(){
 108   mnode * mnd = (mnode*) l_next(worlds[0].move_tile);
 109   unit * u = mp(mnd->crd)->unit;
 110   if( u && u->player != player){
 111     // this unit will be attacked!
 112     unit * xxx = worlds[0].move_unit;
 113     finish_movement();
 114     start_attack(u, xxx, 0);
 115
 116     // а можно разрешать окнтратаку, НО
 117     // но добавить специальный омдификатор "попал в засаду"
 118     // его действие будет прекращаться после первого боя
 119     // он будет уменьшать защиту и атаку
 120
 121     // стыдно. исправить. что бы враг не ответил!
 122     worlds[0].attack_is_counter = 1;
 123     return;
 124   }
 125 }
 126
 127
 128
 129 void move_logic(){
 130   if(worlds[0].move_index == STEPS){
 131     worlds[0].move_index = 0;
 132     worlds[0].move_tile = (mnode*)l_next(worlds[0].move_tile);
 133     if(worlds[0].move_tile == (mnode*)l_last(worlds[0].path))
 134       finish_movement();
 135     else
 136       ambush();
 137   }
 138   worlds[0].move_index++;
 139 }
 140
 141
 142
 143 int calc_damage(unit * a, unit * b){
 144   a = b;
 145   return(4); // random
 146 }
 147
 148
 149
 150 void on_reach_enemy(){
 151   int damage = calc_damage(worlds[0].attack_u1, worlds[0].attack_u2);
 152   worlds[0].attack_u2->health -= damage;
 153   if(worlds[0].attack_u2->health <= 0) {
 154     kill_unit(worlds[0].attack_u2);
 155     worlds[0].attack_u2 = NULL;
 156     fill_map(worlds[0].attack_u1);
 157   }
 158   worlds[0].attack_u1->can_attack = false;
 159   // теперь возвращаемся на тайл
 160   worlds[0].attack_stage = 1;
 161 }
 162
 163
 164
 165 void try_retreat(){
 166   for(int i=0; i<6; i++){
 167     //mcrd n = neib(attack_u1->mcrd, i);
 168     mcrd n = neib(worlds[0].attack_u1->mcrd, neib2(i));
 169     if(!mp(n)->unit){
 170       worlds[0].attack_crd = n;
 171       worlds[0].attack_stage = 2;
 172       return;
 173     }
 174   }
 175 }
 176
 177
 178
 179 void start_counterattack(){
 180   start_attack(worlds[0].attack_u2, worlds[0].attack_u1, 0);
 181    worlds[0].attack_is_counter = true;
 182 }
 183
 184
 185
 186 void on_return_after_attack(){
 187   mp(worlds[0].attack_u1->mcrd)->unit = worlds[0].attack_u1;
 188
 189   if(worlds[0].attack_is_counter || !worlds[0].attack_u2){
 190     if(worlds[0].attack_u1->health < worlds[0].attack_u1->type->health){
 191       mp(worlds[0].attack_u1->mcrd)->unit = NULL;
 192       worlds[0].attack_crd = worlds[0].attack_u1->mcrd;
 193       try_retreat();
 194     }else{
 195       worlds[0].attack_u1 = worlds[0].attack_u2 = NULL;
 196       worlds[0].mode = MODE_SELECT;
 197     }
 198   }else{
 199     start_counterattack();
 200   }
 201 }
 202
 203
 204
 205 void on_done_retreat(){
 206   mp(worlds[0].attack_crd)->unit = worlds[0].attack_u1;
 207   worlds[0].attack_u1->mcrd = worlds[0].attack_crd;
 208   worlds[0].attack_u1 = worlds[0].attack_u2 = NULL;
 209   worlds[0].mode = MODE_SELECT;
 210 }
 211
 212
 213
 214 void shoot_attack(){
 215   scrd a = worlds[0].attack_u1->scrd;
 216   scrd b = worlds[0].attack_u2->scrd;
 217   int steps = sdist(a,b) / 6;
 218
 219   //стрела долетела
 220   if(worlds[0].attack_shoot_index >= steps){
 221     int dmg = calc_damage(worlds[0].attack_u1, worlds[0].attack_u2);
 222     worlds[0].attack_u2->health -= dmg;
 223     if(worlds[0].attack_u2->health <= 0) {
 224       kill_unit(worlds[0].attack_u2);
 225       fill_map(worlds[0].attack_u1);
 226     }
 227     mp(worlds[0].attack_u1->mcrd)->unit = worlds[0].attack_u1;
 228     worlds[0].attack_u1->can_attack = false;
 229     worlds[0].attack_u1 = worlds[0].attack_u2 = NULL;
 230     worlds[0].mode = MODE_SELECT;
 231   }
 232
 233   worlds[0].attack_shoot_index++;
 234 }
 235
 236
 237
 238 void attack_logic() {
 239   if(worlds[0].attack_is_shoot)
 240     shoot_attack();
 241   else{
 242     if(worlds[0].attack_stage==0 && worlds[0].attack_index==STEPS/2+1)
 243       on_reach_enemy();
 244     if(worlds[0].attack_stage==1 && worlds[0].attack_index==0)
 245       on_return_after_attack();
 246     if(worlds[0].attack_stage==2 && worlds[0].attack_index==STEPS)
 247       on_done_retreat();
 248
 249     if(worlds[0].attack_stage==0) worlds[0].attack_index++;
 250     if(worlds[0].attack_stage==1) worlds[0].attack_index--;
 251     if(worlds[0].attack_stage==2) worlds[0].attack_index++;
 252   }
 253 }
 254
 255
 256
 257 void logic(){
 258   if(worlds[0].mode==MODE_MOVE)   move_logic();
 259   if(worlds[0].mode==MODE_ATTACK) attack_logic();
 260 }
 261
 262
 263
 264 void updatefog(){
 265   FOR_EACH_TILE{
 266     mp(mc)->fog=0;
 267     FOR_EACH_UNIT{
 268       if(u->player == player
 269       && mdist(mc, u->mcrd) <= u->type->see)
 270         mp(mc)->fog++;
 271     }
 272   }
 273 }
 274
 275
 276