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improved aggressive ai shooting near enemies.

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This commit is contained in:
Simon Ullrich Richter 2020-01-28 14:52:04 +01:00
parent 7243d4a70f
commit 7c22316d3c
1 changed files with 34 additions and 3 deletions
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37
game.c
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@ -208,6 +208,7 @@ static unsigned char player_wpn [PLAYER_MAX];
static unsigned char player_charge [PLAYER_MAX];
static unsigned char player_ai [PLAYER_MAX];
static unsigned char ai_aggression[PLAYER_MAX];
const unsigned char dirs[4]={ DIR_LEFT,DIR_UP,DIR_RIGHT,DIR_DOWN }; //basic maze strategy: always turn right
static unsigned int projectile_x [PLAYER_MAX];
@ -572,7 +573,9 @@ void show_select_weapon(void) {
anim_frame = 0;
//default ai for player 2
//default aggressive ai for player 2
ai_aggression[0]=1;
ai_aggression[1]=1;
player_ai[0]=0;
player_ai[1]=1;
@ -1020,10 +1023,11 @@ void player_die(unsigned char id) {
}
/**
* AI movement.
* AI movement with aggressive weapon mode.
*/
unsigned char ai_move(unsigned char id){
unsigned char diri,dirv,dirtest;
unsigned char px2,py2;
if(player_dir[id]==DIR_NONE) j=rand8()%4; //random start direction
else j=player_dir_index[id]; //prefer movements in the same direction
diri=255; dirv=0;
@ -1034,7 +1038,34 @@ unsigned char ai_move(unsigned char id){
}
if(dirv==0) j=PAD_A; //if no movement is possible just fire weapon
else j=dirs[diri%4];
if(rand8()<16) j=PAD_A; //random weapon usage as ai is not aware of enemy positions yet
if((player_cooldown[id]==0)&&(ai_aggression[id]>=1)){
px=player_x_spawn[1-id]>>(TILE_SIZE_BIT+FP_BITS);
py=player_y_spawn[1-id]>>(TILE_SIZE_BIT+FP_BITS);
px2=player_x[1-id]>>(TILE_SIZE_BIT+FP_BITS);
py2=player_y[1-id]>>(TILE_SIZE_BIT+FP_BITS);
if((px!=px2)||(py!=py2)){ //dont try to kill enemy in spawn
px=player_x[id]>>(TILE_SIZE_BIT+FP_BITS);
py=player_y[id]>>(TILE_SIZE_BIT+FP_BITS);
if(px==px2){
if(py>py2){
if(py-py2<=3){
if(player_dir[id]==DIR_UP){ j=PAD_A; }
else if(player_move_test(id,1)>0){ j=dirs[1]; }
}}else if(py2-py<=3){
if(player_dir[id]==DIR_DOWN){ j=PAD_A; }
else if(player_move_test(id,3)>0){ j=dirs[3]; }
}}else if(py==py2){
if(px>px2){
if(px-px2<=3){
if(player_dir[id]==DIR_LEFT){ j=PAD_A; }
else if((player_move_test(id,0)>0)){ j=dirs[0]; }
}}else if(px2-px<=3){
if(player_dir[id]==DIR_RIGHT){ j=PAD_A; }
else if(player_move_test(id,2)>0){ j=dirs[2]; }
}}
}}
return j;
}