Add Surrender challenge type.

src/battle/hud.c

@@ -472,6 +472,10 @@ static void drawObjectives(void)
 		{
 			drawText(SCREEN_WIDTH / 2, 35, 14, TA_CENTER, colors.white, "%d / %d", battle.stats[STAT_ENEMIES_DISABLED], game.currentMission->challengeData.disableLimit);
 		}
+		else if (game.currentMission->challengeData.surrenderLimit)
+		{
+			drawText(SCREEN_WIDTH / 2, 35, 14, TA_CENTER, colors.white, "%d / %d", battle.stats[STAT_ENEMIES_SURRENDERED], game.currentMission->challengeData.surrenderLimit);
+		}
 		else if (player->flags & EF_MUST_DISABLE)
 		{
 			drawText(SCREEN_WIDTH / 2, 35, 14, TA_CENTER, colors.white, _("System Power : %d%%"), player->systemPower);

src/challenges/challenges.c

@@ -28,6 +28,7 @@ static void updateLossesChallenge(Challenge *c);
 static void updatePlayerKillsChallenge(Challenge *c);
 static void updateDisabledChallenge(Challenge *c);
 static void updateItemsChallenge(Challenge *c);
+static void updateSurrenderChallenge(Challenge *c);
 static void completeChallenge(void);
 static void failChallenge(void);
 static int updateChallenges(void);
@@ -61,6 +62,7 @@ void initChallenges(void)
 	challengeDescription[CHALLENGE_ITEMS] = _("Collect %d packages");
 	challengeDescription[CHALLENGE_PLAYER_ITEMS] = _("Collect %d packages");
 	challengeDescription[CHALLENGE_RESCUE] = _("Rescue %d civilians");
+	challengeDescription[CHALLENGE_SURRENDER] = _("Cause %d enemies to surrender");
 
 	tail = &game.challengeMissionHead;
 
@@ -100,6 +102,7 @@ void loadChallenge(Mission *mission, cJSON *node)
 	mission->challengeData.playerItemLimit = getJSONValue(node, "playerItemLimit", 0);
 	mission->challengeData.rescueLimit = getJSONValue(node, "rescueLimit", 0);
 	mission->challengeData.disableLimit = getJSONValue(node, "disableLimit", 0);
+	mission->challengeData.surrenderLimit = getJSONValue(node, "surrenderLimit", 0);
 
 	/* restrictions */
 	mission->challengeData.noMissiles = getJSONValue(node, "noMissiles", 0);
@@ -208,6 +211,11 @@ static int challengeFinished(void)
 		return 1;
 	}
 	
+	if (game.currentMission->challengeData.surrenderLimit > 0 && (battle.stats[STAT_ENEMIES_KILLED_PLAYER] + battle.stats[STAT_ENEMIES_SURRENDERED] + battle.stats[STAT_ENEMIES_DISABLED]) >= game.currentMission->challengeData.surrenderLimit)
+	{
+		return 1;
+	}
+	
 	if (game.currentMission->challengeData.eliminateThreats && !battle.hasThreats)
 	{
 		return 1;
@@ -271,6 +279,10 @@ static int updateChallenges(void)
 					case CHALLENGE_PLAYER_ITEMS:
 						updateItemsChallenge(c);
 						break;
+						
+					case CHALLENGE_SURRENDER:
+						updateSurrenderChallenge(c);
+						break;
 				}
 			}
 			
@@ -407,6 +419,14 @@ static void updateItemsChallenge(Challenge *c)
 	}
 }
 
+static void updateSurrenderChallenge(Challenge *c)
+{
+	if (!c->passed)
+	{
+		c->passed = battle.stats[STAT_ENEMIES_SURRENDERED] >= c->value;
+	}
+}
+
 char *getChallengeDescription(Challenge *c)
 {
 	if (c->type == CHALLENGE_TIME)

src/defs.h

@@ -338,6 +338,7 @@ enum
 	CHALLENGE_PLAYER_ITEMS,
 	CHALLENGE_RESCUE,
 	CHALLENGE_SURVIVE,
+	CHALLENGE_SURRENDER,
 	CHALLENGE_MAX
 };
 

src/structs.h

@@ -259,6 +259,7 @@ typedef struct {
 	int waypointLimit;
 	int rescueLimit;
 	int disableLimit;
+	int surrenderLimit;
 	int noMissiles;
 	int noBoost;
 	int noECM;

src/system/lookup.c

@@ -157,6 +157,7 @@ void initLookups(void)
 	addLookup("CHALLENGE_ITEMS", CHALLENGE_ITEMS);
 	addLookup("CHALLENGE_PLAYER_ITEMS", CHALLENGE_PLAYER_ITEMS);
 	addLookup("CHALLENGE_RESCUE", CHALLENGE_RESCUE);
+	addLookup("CHALLENGE_SURRENDER", CHALLENGE_SURRENDER);
 
 	addLookup("STAT_PERCENT_COMPLETE", STAT_PERCENT_COMPLETE);
 	addLookup("STAT_MISSIONS_STARTED", STAT_MISSIONS_STARTED);