/*
==============
BotChangeViewAngles
==============
*/
void BotChangeViewAngles( bot_state_t *bs, float thinktime ) {
float diff, factor, maxchange, anglespeed;
int i;
if ( bs->ideal_viewangles[PITCH] > 180 ) {
bs->ideal_viewangles[PITCH] -= 360;
}
//
if ( bs->enemy >= 0 ) {
factor = trap_Characteristic_BFloat( bs->character, CHARACTERISTIC_VIEW_FACTOR, 0.01, 1 );
maxchange = trap_Characteristic_BFloat( bs->character, CHARACTERISTIC_VIEW_MAXCHANGE, 1, 1800 );
} else {
factor = 0.25;
maxchange = 300;
}
maxchange *= thinktime;
for ( i = 0; i < 2; i++ ) {
diff = abs( AngleDifference( bs->viewangles[i], bs->ideal_viewangles[i] ) );
anglespeed = diff * factor;
if ( anglespeed > maxchange ) {
anglespeed = maxchange;
}
bs->viewangles[i] = BotChangeViewAngle( bs->viewangles[i],
bs->ideal_viewangles[i], anglespeed );
//BotAI_Print(PRT_MESSAGE, "ideal_angles %f %f\n", bs->ideal_viewangles[0], bs->ideal_viewangles[1], bs->ideal_viewangles[2]);`
//bs->viewangles[i] = bs->ideal_viewangles[i];
}
if ( bs->viewangles[PITCH] > 180 ) {
bs->viewangles[PITCH] -= 360;
}
//elementary action: view
trap_EA_View( bs->client, bs->viewangles );
}
/*
==============
BotChangeViewAngles
==============
*/
void BotChangeViewAngles(bot_state_t * bs, float thinktime)
{
float diff, factor, maxchange, anglespeed, disired_speed;
int i;
if (bs->ideal_viewangles[PITCH] > 180)
bs->ideal_viewangles[PITCH] -= 360;
//
if (bs->enemy >= 0) {
factor = trap_Characteristic_BFloat(bs->character, CHARACTERISTIC_VIEW_FACTOR, 0.01f, 1);
maxchange = trap_Characteristic_BFloat(bs->character, CHARACTERISTIC_VIEW_MAXCHANGE, 1, 1800);
} else {
factor = 0.05f;
maxchange = 360;
}
if (maxchange < 240)
maxchange = 240;
maxchange *= thinktime;
for (i = 0; i < 2; i++) {
//
if (bot_challenge.integer) {
//smooth slowdown view model
diff = abs(AngleDifference(bs->viewangles[i], bs->ideal_viewangles[i]));
anglespeed = diff * factor;
if (anglespeed > maxchange)
anglespeed = maxchange;
bs->viewangles[i] = BotChangeViewAngle(bs->viewangles[i], bs->ideal_viewangles[i], anglespeed);
} else {
//over reaction view model
bs->viewangles[i] = AngleMod(bs->viewangles[i]);
bs->ideal_viewangles[i] = AngleMod(bs->ideal_viewangles[i]);
diff = AngleDifference(bs->viewangles[i], bs->ideal_viewangles[i]);
disired_speed = diff * factor;
bs->viewanglespeed[i] += (bs->viewanglespeed[i] - disired_speed);
if (bs->viewanglespeed[i] > 180)
bs->viewanglespeed[i] = maxchange;
if (bs->viewanglespeed[i] < -180)
bs->viewanglespeed[i] = -maxchange;
anglespeed = bs->viewanglespeed[i];
if (anglespeed > maxchange)
anglespeed = maxchange;
if (anglespeed < -maxchange)
anglespeed = -maxchange;
bs->viewangles[i] += anglespeed;
bs->viewangles[i] = AngleMod(bs->viewangles[i]);
//demping
bs->viewanglespeed[i] *= 0.45 * (1 - factor);
}
//BotAI_Print(PRT_MESSAGE, "ideal_angles %f %f\n", bs->ideal_viewangles[0], bs->ideal_viewangles[1], bs->ideal_viewangles[2]);`
//bs->viewangles[i] = bs->ideal_viewangles[i];
}
//bs->viewangles[PITCH] = 0;
if (bs->viewangles[PITCH] > 180)
bs->viewangles[PITCH] -= 360;
//elementary action: view
trap_EA_View(bs->client, bs->viewangles);
}
/*
==============
AICast_ChangeViewAngles
==============
*/
void AICast_ChangeViewAngles( cast_state_t *cs, float thinktime ) {
float diff, factor, maxchange, anglespeed;
int i;
bot_state_t *bs;
bs = cs->bs;
//
// restoire locked viewangles if required
if ( cs->aiFlags & AIFL_VIEWLOCKED ) {
VectorCopy( cs->viewlock_viewangles, bs->ideal_viewangles );
}
//
if ( bs->ideal_viewangles[PITCH] > 180 ) {
bs->ideal_viewangles[PITCH] -= 360;
}
//
maxchange = cs->attributes[YAW_SPEED]; //300;
if ( cs->aiState >= AISTATE_COMBAT ) {
factor = 2.0;
maxchange *= 2.0;
} else {
factor = 0.7;
}
//
if ( cs->lockViewAnglesTime < level.time ) {
maxchange *= thinktime;
for ( i = 0; i < 3; i++ ) {
diff = c::fabs( AngleDifference( bs->viewangles[i], bs->ideal_viewangles[i] ) );
anglespeed = diff * factor;
if ( anglespeed > maxchange ) {
anglespeed = maxchange;
}
bs->viewangles[i] = BotChangeViewAngle( bs->viewangles[i],
bs->ideal_viewangles[i], anglespeed );
//BotAI_Print(PRT_MESSAGE, "ideal_angles %f %f\n", bs->ideal_viewangles[0], bs->ideal_viewangles[1], bs->ideal_viewangles[2]);`
//bs->viewangles[i] = bs->ideal_viewangles[i];
}
}
if ( bs->viewangles[PITCH] > 180 ) {
bs->viewangles[PITCH] -= 360;
}
//elementary action: view
trap_EA_View( bs->client, bs->viewangles );
}
/*
==============
BotCommandView
Set the bot's user command view angles
==============
*/
void BotCommandView(bot_state_t *bs, vec3_t view)
{
int angle;
usercmd_t *cmd;
// Set this data as bot input
//
// NOTE: This just sets data used in the bot_input_t structure, accessed by
// the trap_EA_GetInput() command. The view data isn't actually used from
// that command though. This code just sets the data for safety should another
// programmer want to use that structure.
trap_EA_View(bs->client, view);
// Set the view angles for the bot's command
cmd = &bs->cmd;
for (angle = PITCH; angle <= ROLL; angle++)
cmd->angles[angle] = (short) (ANGLE2SHORT(view[angle]) - bs->ps->delta_angles[angle]);
// Extract the view angles this command will send to the server-- due to
// short rounding, this will probably differ from the inputted view angles
MoveCmdToViewAngles(cmd, bs->ps->delta_angles, bs->now.view);
}
/*
==============
BotChangeViewAngles
==============
*/
void BotChangeViewAngles(bot_state_t *bs, float thinktime) {
float diff, factor, maxchange, anglespeed, disired_speed;
int i;
if (bs->ideal_viewangles[PITCH] > 180) bs->ideal_viewangles[PITCH] -= 360;
factor = bs->skills.turnspeed;
if (factor > 1)
{
factor = 1;
}
if (factor < 0.25)
{
factor = 0.25f;
}
maxchange = bs->skills.maxturn;
//if (maxchange < 240) maxchange = 240;
maxchange *= thinktime;
for (i = 0; i < 2; i++) {
bs->viewangles[i] = AngleMod(bs->viewangles[i]);
bs->ideal_viewangles[i] = AngleMod(bs->ideal_viewangles[i]);
diff = AngleDifference(bs->viewangles[i], bs->ideal_viewangles[i]);
disired_speed = diff * factor;
bs->viewanglespeed[i] += (bs->viewanglespeed[i] - disired_speed);
if (bs->viewanglespeed[i] > 180) bs->viewanglespeed[i] = maxchange;
if (bs->viewanglespeed[i] < -180) bs->viewanglespeed[i] = -maxchange;
anglespeed = bs->viewanglespeed[i];
if (anglespeed > maxchange) anglespeed = maxchange;
if (anglespeed < -maxchange) anglespeed = -maxchange;
bs->viewangles[i] += anglespeed;
bs->viewangles[i] = AngleMod(bs->viewangles[i]);
bs->viewanglespeed[i] *= 0.45 * (1 - factor);
}
if (bs->viewangles[PITCH] > 180) bs->viewangles[PITCH] -= 360;
trap_EA_View(bs->client, bs->viewangles);
}
/*
==============
AICast_UpdateInput
==============
*/
void AICast_UpdateInput( cast_state_t *cs, int time ) {
bot_input_t bi;
bot_state_t *bs;
int j;
float speed;
bs = cs->bs;
//add the delta angles to the bot's current view angles
for ( j = 0; j < 3; j++ ) {
bs->viewangles[j] = AngleMod( bs->viewangles[j] + SHORT2ANGLE( bs->cur_ps.delta_angles[j] ) );
}
//
AICast_ChangeViewAngles( cs, (float) time / 1000 );
//
if ( cs->pauseTime > level.time ) {
trap_EA_View( bs->client, bs->viewangles );
trap_EA_GetInput( bs->client, (float) time / 1000, &bi );
AICast_InputToUserCommand( cs, &bi, &bs->lastucmd, bs->cur_ps.delta_angles );
g_entities[cs->bs->entitynum].client->ps.pm_flags &= ~PMF_RESPAWNED;
//
//subtract the delta angles
for ( j = 0; j < 3; j++ ) {
bs->viewangles[j] = AngleMod( bs->viewangles[j] - SHORT2ANGLE( bs->cur_ps.delta_angles[j] ) );
}
//
return;
}
//
trap_EA_GetInput( bs->client, (float) time / 1000, &bi );
//
// restrict the speed according to the character and their current speedScale
// HACK, don't slow down while crouching
if ( bi.actionflags & ACTION_CROUCH && cs->speedScale < 1.0 ) {
cs->speedScale = 1.0;
}
//
// check some Cast AI specific movement flags
if ( cs->actionFlags & CASTACTION_WALK ) {
if ( cs->speedScale > ( cs->attributes[WALKING_SPEED] / cs->attributes[RUNNING_SPEED] ) ) {
cs->speedScale = ( cs->attributes[WALKING_SPEED] / cs->attributes[RUNNING_SPEED] );
}
}
// don't ever let the speed get too low
if ( cs->speedScale < 0.25 ) {
cs->speedScale = 0.25;
}
if ( cs->speedScale > 1.2 ) {
cs->speedScale = 1.2;
}
//
speed = cs->speedScale * cs->attributes[RUNNING_SPEED];
//
//if (speed <= (cs->attributes[WALKING_SPEED] + (cs->attributes[WALKING_SPEED] + 50 < cs->attributes[RUNNING_SPEED] ? 50 : -1))) // do a fast shuffle if slightly over walking speed
if ( speed <= cs->attributes[WALKING_SPEED] ) {
cs->actionFlags |= CASTACTION_WALK;
}
//
// we use 300 here, because the default player speed is 300, so Cast AI's can't move faster than that
if ( ( bi.speed / 400.0 ) > ( speed / 300.0 ) ) {
bi.speed = 400.0 * ( speed / 300.0 );
if ( bi.speed > 400.0 ) {
bi.speed = 400.0; // just in case, we should never exceed this
}
}
//
// do a fast shuffle if slightly over walking speed
if ( bi.speed <= ( 400.0 / 300.0 ) * ( cs->attributes[WALKING_SPEED] + ( cs->attributes[WALKING_SPEED] + 50 < cs->attributes[RUNNING_SPEED] ? 50 : -1 ) ) ) {
cs->actionFlags |= CASTACTION_WALK;
}
//
AICast_InputToUserCommand( cs, &bi, &bs->lastucmd, bs->cur_ps.delta_angles );
//
// check some Cast AI specific movement flags
if ( cs->actionFlags & CASTACTION_WALK ) {
bs->lastucmd.buttons |= BUTTON_WALKING; // play the walking animation
}
//
//subtract the delta angles
for ( j = 0; j < 3; j++ ) {
bs->viewangles[j] = AngleMod( bs->viewangles[j] - SHORT2ANGLE( bs->cur_ps.delta_angles[j] ) );
}
//
// make sure the respawn flag is disabled (causes problems after multiple "map xxx" commands)
g_entities[cs->bs->entitynum].client->ps.pm_flags &= ~PMF_RESPAWNED;
// set the aiState
g_entities[cs->bs->entitynum].client->ps.aiState = cs->aiState;
}
