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Superdom: some AI improvements and other minor changes

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Change-Id: Ia2756a7263ec09b78714273af0f604fc9cdb50eb
Reviewed-on: http://gerrit.rockbox.org/944
Reviewed-by: Michael Giacomelli <giac2000@hotmail.com>
This commit is contained in:
Franklin Wei 2014-08-30 20:59:20 -04:00 committed by Michael Giacomelli
parent 333a82c8eb
commit a65f6ceaed
1 changed files with 69 additions and 17 deletions
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86
apps/plugins/superdom.c
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@ -19,7 +19,9 @@
*
****************************************************************************/
/* TODO list:
- improve AI (move, use nukes, etc.)
- improve AI
- buy/use nukes - DONE
- build farms/factories
*/
@ -72,6 +74,11 @@ char buf[255];
#define COMPUTER_SURRENDER_THRESHOLD 15
#define COMPUTER_HARD_SURRENDER_THRESHOLD 25
/* AI settings */
#define AI_INVESTING_LEVEL 2
#define AI_BUILD_NUKES_LEVEL 3
#define AI_BUILD_INDS_FARMS_LEVEL 2
/* board size */
#define BOARD_SIZE 10
#define NUM_SPACES (BOARD_SIZE*BOARD_SIZE)
@ -166,13 +173,14 @@ static struct settings {
easy:
- no movement
- no investing
- will build factories if it has none
medium:
- movement
- investing
- can build factories/farms
- can build factories/farms if it has money
hard:
- nuclear war
- harder to surrender
- can buy/use nukes
- will hold out longer (surrender threshold 25)
*/
int compdiff;
bool spoil_enabled;
@ -569,13 +577,14 @@ static int settings_menu(void)
case 6:
{
static const struct opt_items difficulty_options[3]={
{"Easy", 1},
{"Intermediate", 2},
{"Hard", 3}
{"Easy", -1},
{"Intermediate", -1},
{"Hard", -1}
};
rb->set_option("Computer difficulty", &superdom_settings.compdiff,
static int sel=1;
rb->set_option("Computer difficulty", &sel,
INT, difficulty_options, 3, NULL);
superdom_settings.compdiff++;
superdom_settings.compdiff=sel+1;
break;
}
case 7:
@ -1906,8 +1915,53 @@ static void computer_allocate(void)
rb->yield();
}
}
/* AI player will buy nukes if possible first */
if(compres.cash > PRICE_NUKE + PRICE_TANK && superdom_settings.compdiff>=3)
/* if the computer has no factories, build some ASAP */
if(!compres.inds)
{
while(compres.cash >= PRICE_FACTORY && compres.inds < numterritory)
{
i = rb->rand()%BOARD_SIZE + 1;
j = rb->rand()%BOARD_SIZE + 1;
if(board[i][j].colour == COLOUR_DARK)
{
buy_resources(COLOUR_DARK, 4, i, j, 0);
}
}
}
if(superdom_settings.compdiff>=AI_BUILD_INDS_FARMS_LEVEL && compres.cash>=PRICE_FACTORY)
{
while(compres.cash>=PRICE_FACTORY)
{
if(compres.farms<compres.inds)
{
while(compres.farms<compres.inds && compres.cash>=PRICE_FARM)
{
i = rb->rand()%BOARD_SIZE + 1;
j = rb->rand()%BOARD_SIZE + 1;
if(board[i][j].colour == COLOUR_DARK && !board[i][j].farm)
{
buy_resources(COLOUR_DARK, 3, i, j, 0);
break;
}
}
}
else
{
while(compres.inds<compres.farms && compres.cash>=PRICE_FACTORY)
{
i = rb->rand()%BOARD_SIZE + 1;
j = rb->rand()%BOARD_SIZE + 1;
if(board[i][j].colour == COLOUR_DARK && !board[i][j].ind)
{
buy_resources(COLOUR_DARK, 4, i, j, 0);
break;
}
}
}
}
}
/* AI will buy nukes first if possible */
if(compres.cash > PRICE_NUKE + PRICE_TANK && superdom_settings.compdiff>=AI_BUILD_NUKES_LEVEL)
{
while(compres.cash >= PRICE_NUKE && compres.nukes < numterritory)
{
@ -1960,9 +2014,8 @@ static void computer_allocate(void)
}
if(k == 0)
{
/* No targets found! Randomly pick squares and if they're owned
* by the computer then stick a tank on it. */
while(compres.cash >= 300 && compres.tanks < numterritory)
/* randomly place tanks */
while(compres.cash >= PRICE_TANK && compres.tanks < numterritory)
{
i = rb->rand()%BOARD_SIZE + 1;
j = rb->rand()%BOARD_SIZE + 1;
@ -2064,7 +2117,7 @@ static void computer_allocate(void)
}
}
/* no investing in easy mode */
if(superdom_settings.compdiff>=2)
if(superdom_settings.compdiff>=AI_INVESTING_LEVEL)
{
compres.bank += compres.cash;
compres.cash = 0;
@ -2113,7 +2166,6 @@ static void computer_movement(void)
{
struct cursor nukes[10]; /* 10 for now, change as needed */
int nukes_back=0;
rb->splashf(HZ, "computer has %d nukes", compres.nukes);
if(compres.nukes>0)
{
for(int i=1;i<=BOARD_SIZE && nukes_back<compres.nukes && nukes_back<10;i++)
@ -2414,7 +2466,7 @@ startyear:
}
if(-avg_str_diff > HUMAN_SURRENDER_THRESHOLD)
{
rb->splash(HZ*4, "Your army have suffered terrible morale from"
rb->splash(HZ*4, "Your army has suffered terrible morale from"
" the bleak prospects of winning. You lose.");
return PLUGIN_OK;
}