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Bots: Rebalance rubberband speeds

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- Lv.1 has a significanty lower minimum top speed (from 75% -> 50%)
- Lv.MAX has a significantly higher minimum top speed (from 112.5% -> 125%)
- Every bot level has a slightly lower maximum top speed (Lv.1: 100% -> 80%, Lv.MAX: 220% -> 200%)
- Uses easing functions now to make the distance rubberbanding applies to, and the rubberbanding curves, much more customizable.
This commit is contained in:
Sally Coolatta 2023-05-15 23:53:32 -04:00
parent 7ddfddb3a8
commit 5b5323226f
1 changed files with 23 additions and 29 deletions
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52
src/k_bot.c
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@ -30,6 +30,7 @@
#include "m_perfstats.h"
#include "k_podium.h"
#include "k_respawn.h"
#include "m_easing.h"
/*--------------------------------------------------
boolean K_AddBot(UINT8 skin, UINT8 difficulty, UINT8 *p)
@ -486,8 +487,9 @@ static UINT32 K_BotRubberbandDistance(player_t *player)
--------------------------------------------------*/
fixed_t K_BotRubberband(player_t *player)
{
fixed_t rubberband = FRACUNIT;
fixed_t rubbermax, rubbermin;
fixed_t rubberband = FRACUNIT >> 1;
fixed_t rubbermin = FRACUNIT;
fixed_t rubbermax = FRACUNIT;
player_t *firstplace = NULL;
UINT8 i;
@ -511,6 +513,18 @@ fixed_t K_BotRubberband(player_t *player)
}
}
// Lv. 1: x0.5 min
// Lv. 5: x0.75 min
// Lv. 9: x1.0 min
// Lv. MAX: x1.25 min
rubbermin = FRACUNIT - (((FRACUNIT/2) * (DIFFICULTBOT - player->botvars.difficulty)) / (DIFFICULTBOT - 1));
// Lv. 1: x0.8 max
// Lv. 5: x1.2 max
// Lv. 9: x1.4 max
// Lv. MAX: x2.0 max
rubbermax = FRACUNIT + ((FRACUNIT * (player->botvars.difficulty - 3)) / 10);
for (i = 0; i < MAXPLAYERS; i++)
{
if (!playeringame[i] || players[i].spectator)
@ -534,43 +548,23 @@ fixed_t K_BotRubberband(player_t *player)
if (firstplace != NULL)
{
const UINT32 spacing = FixedDiv(1280 * mapobjectscale, K_GetKartGameSpeedScalar(gamespeed)) / FRACUNIT;
const UINT32 wanteddist = firstplace->distancetofinish + K_BotRubberbandDistance(player);
const INT32 distdiff = player->distancetofinish - wanteddist;
if (wanteddist > player->distancetofinish)
{
// Whoa, you're too far ahead! Slow back down a little.
rubberband += (DIFFICULTBOT - min(DIFFICULTBOT, player->botvars.difficulty)) * (distdiff / 3);
}
else
{
// Catch up to your position!
rubberband += player->botvars.difficulty * distdiff;
}
rubberband += (distdiff * (FRACUNIT >> 1)) / spacing;
}
// Lv. 1: x1.0 max
// Lv. 5: x1.4 max
// Lv. 9: x1.8 max
// Lv. MAX: x2.2 max
rubbermax = FRACUNIT + ((FRACUNIT * (player->botvars.difficulty - 1)) / 10);
// Lv. 1: x0.75 min
// Lv. 5: x0.875 min
// Lv. 9: x1.0 min
// Lv. MAX: x1.125 min
rubbermin = FRACUNIT - (((FRACUNIT/4) * (DIFFICULTBOT - player->botvars.difficulty)) / (DIFFICULTBOT - 1));
if (rubberband > rubbermax)
if (rubberband > FRACUNIT)
{
rubberband = rubbermax;
rubberband = FRACUNIT;
}
else if (rubberband < rubbermin)
else if (rubberband < 0)
{
rubberband = rubbermin;
rubberband = 0;
}
return rubberband;
return Easing_Linear(rubberband, rubbermin, rubbermax);
}
/*--------------------------------------------------