Customize max opponent colors when using -maxoppcolors (closes #102)

code/midtown/mmai/aiVehicleOpponent.cpp

@@ -23,12 +23,16 @@ define_dummy_symbol(mmai_aiVehicleOpponent);
 #include "agi/dlptmpl.h"
 #include "agi/getdlp.h"
 #include "agiworld/quality.h"
+#include "data7/str.h"
+#include "mmcityinfo/vehlist.h"
 
 #include "aiData.h"
 #include "aiGoalBackup.h"
 #include "aiGoalFollowWayPts.h"
 #include "aiGoalStop.h"
 
+static mem::cmd_param PARAM_maxoppcolors {"maxoppcolors"};
+
 void aiVehicleOpponent::DrawDamage()
 {}
 
@@ -38,10 +42,10 @@ void aiVehicleOpponent::Init(i32 opp_id, aiRaceData* race_data, char* race_name)
     if (agiRQ.TextureQuality)
         --agiRQ.TextureQuality;
 
-    i32 paint_job = opp_id & 3;
-    i32 index = opp_id + 1;
+    OpponentRaceData* opp = static_cast<OpponentRaceData*>(race_data->Opponents.Access(opp_id + 1));
 
-    OpponentRaceData* opp = static_cast<OpponentRaceData*>(race_data->Opponents.Access(index));
+    mmVehInfo* veh_info = VehList()->GetVehicleInfo(opp->Model);
+    i32 paint_job = opp_id % PARAM_maxoppcolors.get_or(string(veh_info->Colors).NumSubStrings());
 
     Car.Init(opp->Model, CAR_TYPE_OPPONENT, paint_job);
 
@@ -52,9 +56,7 @@ void aiVehicleOpponent::Init(i32 opp_id, aiRaceData* race_data, char* race_name)
 
     WayPts = arnew aiGoalFollowWayPts(
         opp->PathFile, &RailSet, this, &IsBackup, &IsFinished, &IsStopped, xconst(race_name), opp->MaxThrottle);
-
     BackupGoal = arnew aiGoalBackup(&RailSet, &Car, &IsBackup);
-
     StopGoal = arnew aiGoalStop(&Car, &IsStopped);
 
     IsSemi = !std::strcmp("vpsemi", opp->Model);
@@ -71,5 +73,6 @@ void aiVehicleOpponent::Init(i32 opp_id, aiRaceData* race_data, char* race_name)
         RailSet.BackBumperDist = max.z;
         RailSet.RSideDist = max.x;
     }
+
     AudIndexNumber = -1;
 }

docs/setup.md

@@ -40,6 +40,7 @@ For a tutorial on how to use command line arguments, click [here](https://www.bl
 | allrace    | false | Unlocks All Races |
 | maxcops    | 3     | Max cops chasing you at once |
 | nodamage   | false | Disables Damage |
+| maxoppcolors   | auto | Cycles through the opponent car colors based on the number of paintjobs available |
 
 ## Basic