From e59af4bfbc4b0466cbe8541d30dc71cffbd6a869 Mon Sep 17 00:00:00 2001
From: Steve <stephenjsweeney@battleforthesolarsystem.com>
Date: Sun, 28 Aug 2016 18:48:55 +0100
Subject: [PATCH] Allow for a kill threshold to be specified in epic missions
 (for use with unwinnable missions).

---
 src/battle/fighters.c   |  5 +++++
 src/battle/objectives.c | 20 ++++++++++++++++++++
 src/battle/player.c     | 11 ++++++++---
 src/galaxy/mission.c    |  6 ++++++
 src/galaxy/mission.h    |  1 +
 src/structs.h           |  1 +
 6 files changed, 41 insertions(+), 3 deletions(-)

diff --git a/src/battle/fighters.c b/src/battle/fighters.c
index 8fbf110..e4c2687 100644
--- a/src/battle/fighters.c
+++ b/src/battle/fighters.c
@@ -363,6 +363,11 @@ void doFighter(void)
 			
 			updateObjective(self->name, TT_DESTROY);
 			updateObjective(self->groupName, TT_DESTROY);
+			
+			if (battle.isEpic && self->killedBy == player)
+			{
+				updateObjective("EPIC_PLAYER_KILLS", TT_DESTROY);
+			}
 
 			adjustObjectiveTargetValue(self->name, TT_ESCAPED, -1);
 
diff --git a/src/battle/objectives.c b/src/battle/objectives.c
index 9b04662..181eca3 100644
--- a/src/battle/objectives.c
+++ b/src/battle/objectives.c
@@ -346,3 +346,23 @@ void addEpicLivesObjective(void)
 	o->active = 1;
 	o->isCondition = 1;
 }
+
+void addEpicKillsObjective(void)
+{
+	Objective *o;
+	char id[MAX_DESCRIPTION_LENGTH];
+	
+	o = malloc(sizeof(Objective));
+	memset(o, 0, sizeof(Objective));
+	battle.objectiveTail->next = o;
+	battle.objectiveTail = o;
+	
+	sprintf(id, _("Destroy at least %d enemy fighters"), battle.epicKills);
+
+	STRNCPY(o->id, id, MAX_DESCRIPTION_LENGTH);
+	STRNCPY(o->description, id, MAX_DESCRIPTION_LENGTH);
+	STRNCPY(o->targetName, "EPIC_PLAYER_KILLS", MAX_NAME_LENGTH);
+	o->targetValue = battle.epicKills;
+	o->targetType = TT_DESTROY;
+	o->active = 1;
+}
diff --git a/src/battle/player.c b/src/battle/player.c
index 6771c32..3a3f29e 100644
--- a/src/battle/player.c
+++ b/src/battle/player.c
@@ -432,15 +432,15 @@ static void preFireMissile(void)
 	}
 }
 
-void initPlayerSelect(void)
+static void initPlayerSelect(void)
 {
 	Entity *e;
 	
 	memset(&availablePlayerUnits, 0, sizeof(Entity*) * MAX_SELECTABLE_PLAYERS);
 
 	selectedPlayerIndex = 0;
-
-	if (battle.epicLives > 0 && --battle.epicLives > 0)
+	
+	if (battle.epicLives == 0 || (battle.epicLives > 0 && --battle.epicLives > 0))
 	{
 		for (e = battle.entityHead.next ; e != NULL ; e = e->next)
 		{
@@ -460,6 +460,11 @@ void initPlayerSelect(void)
 	else
 	{
 		battle.isEpic = 0;
+		
+		if (battle.epicKills > 0 && battle.stats[STAT_ENEMIES_KILLED_PLAYER] < battle.epicKills)
+		{
+			battle.unwinnable = 0;
+		}
 
 		failMission();
 	}
diff --git a/src/galaxy/mission.c b/src/galaxy/mission.c
index 6b4a67d..3e1ba21 100644
--- a/src/galaxy/mission.c
+++ b/src/galaxy/mission.c
@@ -421,11 +421,17 @@ static void loadEpicData(cJSON *node)
 	battle.epicFighterLimit = cJSON_GetObjectItem(node, "fighterLimit")->valueint;
 	battle.unlimitedEnemies = getJSONValue(node, "unlimitedEnemies", 0);
 	battle.epicLives = getJSONValue(node, "lives", 0);
+	battle.epicKills = getJSONValue(node, "kills", 0);
 	
 	if (battle.epicLives > 0)
 	{
 		addEpicLivesObjective();
 	}
+	
+	if (battle.epicKills != 0)
+	{
+		addEpicKillsObjective();
+	}
 
 	for (e = battle.entityHead.next ; e != NULL ; e = e->next)
 	{
diff --git a/src/galaxy/mission.h b/src/galaxy/mission.h
index 47b0df4..ed56305 100644
--- a/src/galaxy/mission.h
+++ b/src/galaxy/mission.h
@@ -65,6 +65,7 @@ extern void awardPostMissionTrophies(void);
 extern void awardCraftTrophy(void);
 extern void setInitialPlayerAngle(void);
 extern void addEpicLivesObjective(void);
+extern void addEpicKillsObjective(void);
 
 extern Battle battle;
 extern Dev dev;
diff --git a/src/structs.h b/src/structs.h
index b31ca53..6c2dfc9 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -345,6 +345,7 @@ typedef struct {
 	int unlimitedEnemies;
 	int epicFighterLimit;
 	int epicLives;
+	int epicKills;
 	int playerSelect;
 	int manualComplete;
 	int unwinnable;