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Further drift fixes 

Fix weird start drifting wrong way bug
Drifting no longer adds to regular turn speed
Drift boosts start as soon as you finish drifting
This commit is contained in:
Sryder 2017-03-07 05:00:00 +00:00
parent 680fdf1416
commit 0d16d6c1f4
3 changed files with 48 additions and 37 deletions
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12
src/g_game.c
View File

@ -1268,12 +1268,6 @@ void G_BuildTiccmd(ticcmd_t *cmd, INT32 realtics)
else
{
cmd->angleturn = K_GetKartTurnValue(player, cmd->angleturn);
if (cmd->angleturn < 0)
cmd->angleturn = (INT16)(cmd->angleturn + K_GetKartDriftValue(player, 1));
else if (cmd->angleturn > 0)
cmd->angleturn = (INT16)(cmd->angleturn + K_GetKartDriftValue(player, -1));
else
cmd->angleturn = (INT16)(cmd->angleturn + K_GetKartDriftValue(player, 0));
// SRB2kart - no additional angle if not moving
if ((player->mo && player->speed > 0) || (leveltime > 140 && (cmd->buttons & BT_ACCELERATE) && (cmd->buttons & BT_BRAKE)))
@ -1612,12 +1606,6 @@ void G_BuildTiccmd2(ticcmd_t *cmd, INT32 realtics)
else
{
cmd->angleturn = K_GetKartTurnValue(player, cmd->angleturn);
if (cmd->angleturn < 0)
cmd->angleturn = (INT16)(cmd->angleturn + K_GetKartDriftValue(player, 1));
else if (cmd->angleturn > 0)
cmd->angleturn = (INT16)(cmd->angleturn + K_GetKartDriftValue(player, -1));
else
cmd->angleturn = (INT16)(cmd->angleturn + K_GetKartDriftValue(player, 0));
localangle2 += (cmd->angleturn<<16);
cmd->angleturn = (INT16)(localangle2 >> 16);
}

72
src/k_kart.c
View File

@ -1717,21 +1717,8 @@ static void K_DoLightning(player_t *player, boolean bluelightning)
player->kartstuff[k_sounds] = 50;
}
INT16 K_GetKartTurnValue(player_t *player, INT16 turnvalue)
{
fixed_t p_maxspeed = FixedMul(K_GetKartSpeed(player, false), 3*FRACUNIT);
fixed_t adjustangle = FixedDiv((p_maxspeed>>16) - (player->speed>>16), (p_maxspeed>>16) + player->kartweight);
turnvalue = FixedMul(turnvalue, adjustangle); // Weight has a small effect on turning
if (player->kartstuff[k_startimer] || player->kartstuff[k_mushroomtimer] || player->kartstuff[k_growshrinktimer] > 0)
turnvalue = FixedMul(turnvalue, FixedDiv(5*FRACUNIT, 4*FRACUNIT));
return turnvalue;
}
// turndir is the direction the controls are telling us to turn, 1 if turning right and -1 if turning left
INT16 K_GetKartDriftValue(player_t *player, SINT8 turndir)
// turndir is the direction the controls are telling us to turn, -1 if turning right and 1 if turning left
static INT16 K_GetKartDriftValue(player_t *player, SINT8 turndir)
{
fixed_t driftangle = FRACUNIT;
fixed_t driftweight = player->kartweight*10;
@ -1777,6 +1764,34 @@ INT16 K_GetKartDriftValue(player_t *player, SINT8 turndir)
return driftangle*(player->kartstuff[k_drift] / abs(player->kartstuff[k_drift]));
}
INT16 K_GetKartTurnValue(player_t *player, INT16 turnvalue)
{
fixed_t p_maxspeed = FixedMul(K_GetKartSpeed(player, false), 3*FRACUNIT);
fixed_t adjustangle = FixedDiv((p_maxspeed>>16) - (player->speed>>16), (p_maxspeed>>16) + player->kartweight);
turnvalue = FixedMul(turnvalue, adjustangle); // Weight has a small effect on turning
if (player->kartstuff[k_startimer] || player->kartstuff[k_mushroomtimer] || player->kartstuff[k_growshrinktimer] > 0)
turnvalue = FixedMul(turnvalue, FixedDiv(5*FRACUNIT, 4*FRACUNIT));
if (player->kartstuff[k_drift] != 0)
{
if (player->kartstuff[k_driftend] == 0)
{
if (turnvalue < 0)
turnvalue = K_GetKartDriftValue(player, -1);
else if (turnvalue > 0)
turnvalue = K_GetKartDriftValue(player, 1);
else
turnvalue = K_GetKartDriftValue(player, 0);
}
else
turnvalue = (INT16)(turnvalue + K_GetKartDriftValue(player, 0));
}
return turnvalue;
}
static void K_KartDrift(player_t *player, boolean onground)
{
fixed_t dsone = 26 + player->kartspeed;
@ -1786,44 +1801,52 @@ static void K_KartDrift(player_t *player, boolean onground)
// Holding the Jump button will enable drifting.
// Drift Release (Moved here so you can't "chain" drifts)
if ((player->kartstuff[k_drift] == 0)
if ((player->kartstuff[k_drift] != -5 && player->kartstuff[k_drift] != 5)
// || (player->kartstuff[k_drift] >= 1 && player->kartstuff[k_turndir] != 1) || (player->kartstuff[k_drift] <= -1 && player->kartstuff[k_turndir] != -1))
&& player->kartstuff[k_driftcharge] < dsone
&& onground)
{
player->kartstuff[k_drift] = 0;
player->kartstuff[k_driftcharge] = 0;
}
else if ((player->kartstuff[k_drift] == 0)
else if ((player->kartstuff[k_drift] != -5 && player->kartstuff[k_drift] != 5)
// || (player->kartstuff[k_drift] >= 1 && player->kartstuff[k_turndir] != 1) || (player->kartstuff[k_drift] <= -1 && player->kartstuff[k_turndir] != -1))
&& (player->kartstuff[k_driftcharge] >= dsone && player->kartstuff[k_driftcharge] < dstwo)
&& onground)
{
player->kartstuff[k_driftboost] = 20;
S_StartSound(player->mo, sfx_mush);
player->kartstuff[k_drift] = 0;
player->kartstuff[k_driftcharge] = 0;
}
else if ((player->kartstuff[k_drift] == 0)
else if ((player->kartstuff[k_drift] != -5 && player->kartstuff[k_drift] != 5)
// || (player->kartstuff[k_drift] >= 1 && player->kartstuff[k_turndir] != 1) || (player->kartstuff[k_drift] <= -1 && player->kartstuff[k_turndir] != -1))
&& player->kartstuff[k_driftcharge] >= dstwo
&& onground)
{
player->kartstuff[k_driftboost] = 40;
S_StartSound(player->mo, sfx_mush);
player->kartstuff[k_drift] = 0;
player->kartstuff[k_driftcharge] = 0;
}
// Drifting: left or right?
if ((player->cmd.buttons & BT_DRIFTLEFT) && player->speed > (10<<16) && player->kartstuff[k_jmp] == 1
&& player->kartstuff[k_drift] < 5 && player->kartstuff[k_drift] > -1) // && player->kartstuff[k_drift] != 1)
&& (player->kartstuff[k_drift] == 0 || player->kartstuff[k_driftend] == 1)) // && player->kartstuff[k_drift] != 1)
{
// Starting left drift
player->kartstuff[k_drift] = 1;
player->kartstuff[k_driftend] = 0;
player->kartstuff[k_driftcharge] = 0;
}
else if ((player->cmd.buttons & BT_DRIFTRIGHT) && player->speed > (10<<16) && player->kartstuff[k_jmp] == 1
&& player->kartstuff[k_drift] > -5 && player->kartstuff[k_drift] < 1) // && player->kartstuff[k_drift] != -1)
&& (player->kartstuff[k_drift] == 0 || player->kartstuff[k_driftend] == 1)) // && player->kartstuff[k_drift] != -1)
{
// Starting right drift
player->kartstuff[k_drift] = -1;
player->kartstuff[k_driftend] = 0;
player->kartstuff[k_driftcharge] = 0;
}
else if (player->kartstuff[k_jmp] == 0) // || player->kartstuff[k_turndir] == 0)
{
// drift is not being performed so if we're just finishing set driftend and decrement counters
if (player->kartstuff[k_drift] > 0)
{
player->kartstuff[k_drift]--;
@ -1840,9 +1863,10 @@ static void K_KartDrift(player_t *player, boolean onground)
// Incease/decrease the drift value to continue drifting in that direction
if (player->kartstuff[k_spinouttimer] == 0 && player->kartstuff[k_jmp] == 1 && onground
&& (player->kartstuff[k_drift] >= 1 || player->kartstuff[k_drift] <= -1))
&& player->kartstuff[k_drift] != 0)
{
player->kartstuff[k_driftcharge]++;
player->kartstuff[k_driftend] = 0;
if (player->kartstuff[k_drift] >= 1) // Drifting to the left
{

1
src/k_kart.h
View File

@ -23,7 +23,6 @@ void K_SpawnKartExplosion(fixed_t x, fixed_t y, fixed_t z, fixed_t radius, INT32
void K_SpawnDriftTrail(player_t *player);
void K_DoMushroom(player_t *player, boolean doPFlag);
INT16 K_GetKartTurnValue(player_t *player, INT16 turnvalue);
INT16 K_GetKartDriftValue(player_t *player, SINT8 turndir);
fixed_t K_GetKartSpeed(player_t *player, boolean doboostpower);
fixed_t K_3dKartMovement(player_t *player, boolean onground, boolean forwardmovement);
void K_MoveKartPlayer(player_t *player, boolean onground);