/**
* Destroy a structure and spawn soldiers around the place.
*
* Stack: *none*
*
* @param script The script engine to operate on.
* @return Always 0.
*/
uint16 Script_Structure_Destroy(ScriptEngine *script)
{
Structure *s;
uint16 position;
uint16 layout;
uint16 i;
VARIABLE_NOT_USED(script);
s = g_scriptCurrentStructure;
layout = g_table_structureInfo[s->o.type].layout;
position = Tile_PackTile(s->o.position);
Structure_Remove(s);
for (i = 0; i < g_table_structure_layoutTileCount[layout]; i++) {
tile32 tile;
Unit *u;
tile = Tile_UnpackTile(position + g_table_structure_layoutTiles[layout][i]);
if (g_table_structureInfo[s->o.type].o.spawnChance < Tools_Random_256()) continue;
u = Unit_Create(UNIT_INDEX_INVALID, UNIT_SOLDIER, s->o.houseID, tile, Tools_Random_256());
if (u == NULL) continue;
u->o.hitpoints = g_table_unitInfo[UNIT_SOLDIER].o.hitpoints * (Tools_Random_256() & 3) / 256;
if (s->o.houseID != g_playerHouseID) {
Unit_SetAction(u, ACTION_ATTACK);
continue;
}
Unit_SetAction(u, ACTION_MOVE);
tile = Tile_MoveByRandom(u->o.position, 32, true);
u->targetMove = Tools_Index_Encode(Tile_PackTile(tile), IT_TILE);
}
if (g_debugScenario) return 0;
if (s->o.houseID != g_playerHouseID) return 0;
if (g_config.language == LANGUAGE_FRENCH) {
GUI_DisplayText("%s %s %s", 0, String_Get_ByIndex(g_table_structureInfo[s->o.type].o.stringID_full), g_table_houseInfo[s->o.houseID].name, String_Get_ByIndex(0x85));
} else {
GUI_DisplayText("%s %s %s", 0, g_table_houseInfo[s->o.houseID].name, String_Get_ByIndex(g_table_structureInfo[s->o.type].o.stringID_full), String_Get_ByIndex(0x85));
}
return 0;
}
/**
* Create a new soldier unit.
*
* Stack: 1 - Action for the new Unit.
*
* @param script The script engine to operate on.
* @return 1 if a new Unit has been created, 0 otherwise.
*/
uint16 Script_Unit_RandomSoldier(ScriptEngine *script)
{
Unit *u;
Unit *nu;
tile32 position;
u = g_scriptCurrentUnit;
if (Tools_Random_256() >= g_table_unitInfo[u->o.type].o.spawnChance) return 0;
position = Tile_MoveByRandom(u->o.position, 20, true);
nu = Unit_Create(UNIT_INDEX_INVALID, UNIT_SOLDIER, u->o.houseID, position, Tools_Random_256());
if (nu == NULL) return 0;
nu->deviated = u->deviated;
Unit_SetAction(nu, STACK_PEEK(1));
return 1;
}
static void Scenario_Load_Reinforcement(const char *key, char *settings)
{
uint8 index, houseType, unitType, locationID;
uint16 timeBetween;
tile32 position;
bool repeat;
Unit *u;
char *split;
index = atoi(key);
/* The value should have 4 values separated by a ',' */
split = strchr(settings, ',');
if (split == NULL) return;
*split = '\0';
/* First value is the House type */
houseType = House_StringToType(settings);
if (houseType == HOUSE_INVALID) return;
/* Find the next value in the ',' separated list */
settings = split + 1;
split = strchr(settings, ',');
if (split == NULL) return;
*split = '\0';
/* Second value is the Unit type */
unitType = Unit_StringToType(settings);
if (unitType == UNIT_INVALID) return;
/* Find the next value in the ',' separated list */
settings = split + 1;
split = strchr(settings, ',');
if (split == NULL) return;
*split = '\0';
/* Third value is the location of the reinforcement */
if (strcasecmp(settings, "NORTH") == 0) locationID = 0;
else if (strcasecmp(settings, "EAST") == 0) locationID = 1;
else if (strcasecmp(settings, "SOUTH") == 0) locationID = 2;
else if (strcasecmp(settings, "WEST") == 0) locationID = 3;
else if (strcasecmp(settings, "AIR") == 0) locationID = 4;
else if (strcasecmp(settings, "VISIBLE") == 0) locationID = 5;
else if (strcasecmp(settings, "ENEMYBASE") == 0) locationID = 6;
else if (strcasecmp(settings, "HOMEBASE") == 0) locationID = 7;
else return;
/* Fourth value is the time between reinforcement */
settings = split + 1;
timeBetween = atoi(settings) * 6 + 1;
repeat = (settings[strlen(settings) - 1] == '+') ? true : false;
/* ENHANCEMENT -- Dune2 makes a mistake in reading the '+', causing repeat to be always false */
if (!g_dune2_enhanced) repeat = false;
position.s.x = 0xFFFF;
position.s.y = 0xFFFF;
u = Unit_Create(UNIT_INDEX_INVALID, unitType, houseType, position, 0);
if (u == NULL) return;
g_scenario.reinforcement[index].unitID = u->o.index;
g_scenario.reinforcement[index].locationID = locationID;
g_scenario.reinforcement[index].timeLeft = timeBetween;
g_scenario.reinforcement[index].timeBetween = timeBetween;
g_scenario.reinforcement[index].repeat = repeat ? 1 : 0;
}
/**
* Loop over all houses, preforming various of tasks.
*/
void GameLoop_House(void)
{
PoolFindStruct find;
House *h = NULL;
bool tickHouse = false;
bool tickPowerMaintenance = false;
bool tickStarport = false;
bool tickReinforcement = false;
bool tickMissileCountdown = false;
bool tickStarportAvailability = false;
if (g_debugScenario) return;
if (s_tickHouseHouse <= g_timerGame) {
tickHouse = true;
s_tickHouseHouse = g_timerGame + 900;
}
if (g_tickHousePowerMaintenance <= g_timerGame) {
tickPowerMaintenance = true;
g_tickHousePowerMaintenance = g_timerGame + 10800;
}
if (s_tickHouseStarport <= g_timerGame) {
tickStarport = true;
s_tickHouseStarport = g_timerGame + 180;
}
if (s_tickHouseReinforcement <= g_timerGame) {
tickReinforcement = true;
s_tickHouseReinforcement = g_timerGame + (g_debugGame ? 60 : 600);
}
if (s_tickHouseMissileCountdown <= g_timerGame) {
tickMissileCountdown = true;
s_tickHouseMissileCountdown = g_timerGame + 60;
}
if (s_tickHouseStarportAvailability <= g_timerGame) {
tickStarportAvailability = true;
s_tickHouseStarportAvailability = g_timerGame + 1800;
}
if (tickMissileCountdown && g_houseMissileCountdown != 0) {
g_houseMissileCountdown--;
Sound_Output_Feedback(g_houseMissileCountdown + 41);
if (g_houseMissileCountdown == 0) Unit_LaunchHouseMissile(Map_FindLocationTile(4, g_playerHouseID));
}
if (tickStarportAvailability) {
uint16 type;
/* Pick a random unit to increase starport availability */
type = Tools_RandomLCG_Range(0, UNIT_MAX - 1);
/* Increase how many of this unit is available via starport by one */
if (g_starportAvailable[type] != 0 && g_starportAvailable[type] < 10) {
if (g_starportAvailable[type] == -1) {
g_starportAvailable[type] = 1;
} else {
g_starportAvailable[type]++;
}
}
}
if (tickReinforcement) {
Unit *nu = NULL;
int i;
for (i = 0; i < 16; i++) {
uint16 locationID;
bool deployed;
Unit *u;
if (g_scenario.reinforcement[i].unitID == UNIT_INDEX_INVALID) continue;
if (g_scenario.reinforcement[i].timeLeft == 0) continue;
if (--g_scenario.reinforcement[i].timeLeft != 0) continue;
u = Unit_Get_ByIndex(g_scenario.reinforcement[i].unitID);
locationID = g_scenario.reinforcement[i].locationID;
deployed = false;
if (locationID >= 4) {
if (nu == NULL) {
nu = Unit_Create(UNIT_INDEX_INVALID, UNIT_CARRYALL, u->o.houseID, Tile_UnpackTile(Map_FindLocationTile(Tools_Random_256() & 3, u->o.houseID)), 100);
if (nu != NULL) {
nu->o.flags.s.byScenario = true;
Unit_SetDestination(nu, Tools_Index_Encode(Map_FindLocationTile(locationID, u->o.houseID), IT_TILE));
}
}
if (nu != NULL) {
u->o.linkedID = nu->o.linkedID;
nu->o.linkedID = (uint8)u->o.index;
nu->o.flags.s.inTransport = true;
g_scenario.reinforcement[i].unitID = UNIT_INDEX_INVALID;
deployed = true;
} else {
/* Failed to create carry-all, try again in a short moment */
g_scenario.reinforcement[i].timeLeft = 1;
}
} else {
deployed = Unit_SetPosition(u, Tile_UnpackTile(Map_FindLocationTile(locationID, u->o.houseID)));
}
if (deployed && g_scenario.reinforcement[i].repeat != 0) {
tile32 tile;
tile.x = 0xFFFF;
tile.y = 0xFFFF;
g_validateStrictIfZero++;
u = Unit_Create(UNIT_INDEX_INVALID, u->o.type, u->o.houseID, tile, 0);
g_validateStrictIfZero--;
if (u != NULL) {
g_scenario.reinforcement[i].unitID = u->o.index;
g_scenario.reinforcement[i].timeLeft = g_scenario.reinforcement[i].timeBetween;
}
}
}
}
find.houseID = HOUSE_INVALID;
find.index = 0xFFFF;
find.type = 0xFFFF;
while (true) {
h = House_Find(&find);
if (h == NULL) break;
if (tickHouse) {
/* ENHANCEMENT -- Originally this code was outside the house loop, which seems very odd.
* This problem is considered to be so bad, that the original code has been removed. */
if (h->index != g_playerHouseID) {
if (h->creditsStorage < h->credits) {
h->credits = h->creditsStorage;
}
} else {
uint16 maxCredits = max(h->creditsStorage, g_playerCreditsNoSilo);
if (h->credits > maxCredits) {
h->credits = maxCredits;
GUI_DisplayText(String_Get_ByIndex(STR_INSUFFICIENT_SPICE_STORAGE_AVAILABLE_SPICE_IS_LOST), 1);
}
}
if (h->index == g_playerHouseID) {
if (h->creditsStorage > g_playerCreditsNoSilo) {
g_playerCreditsNoSilo = 0;
}
if (g_playerCreditsNoSilo == 0 && g_campaignID > 1 && h->credits != 0) {
if (h->creditsStorage != 0 && ((h->credits * 256 / h->creditsStorage) > 200)) {
GUI_DisplayText(String_Get_ByIndex(STR_SPICE_STORAGE_CAPACITY_LOW_BUILD_SILOS), 0);
}
}
if (h->credits < 100 && g_playerCreditsNoSilo != 0) {
GUI_DisplayText(String_Get_ByIndex(STR_CREDITS_ARE_LOW_HARVEST_SPICE_FOR_MORE_CREDITS), 0);
}
}
}
if (tickHouse) House_EnsureHarvesterAvailable((uint8)h->index);
if (tickStarport && h->starportLinkedID != UNIT_INDEX_INVALID) {
Unit *u = NULL;
h->starportTimeLeft--;
if ((int16)h->starportTimeLeft < 0) h->starportTimeLeft = 0;
if (h->starportTimeLeft == 0) {
Structure *s;
s = Structure_Get_ByIndex(g_structureIndex);
if (s->o.type == STRUCTURE_STARPORT && s->o.houseID == h->index) {
u = Unit_CreateWrapper((uint8)h->index, UNIT_FRIGATE, Tools_Index_Encode(s->o.index, IT_STRUCTURE));
} else {
PoolFindStruct find2;
find2.houseID = h->index;
find2.index = 0xFFFF;
find2.type = STRUCTURE_STARPORT;
while (true) {
s = Structure_Find(&find2);
if (s == NULL) break;
if (s->o.linkedID != 0xFF) continue;
u = Unit_CreateWrapper((uint8)h->index, UNIT_FRIGATE, Tools_Index_Encode(s->o.index, IT_STRUCTURE));
break;
}
}
if (u != NULL) {
u->o.linkedID = (uint8)h->starportLinkedID;
h->starportLinkedID = UNIT_INDEX_INVALID;
u->o.flags.s.inTransport = true;
Sound_Output_Feedback(38);
}
h->starportTimeLeft = (u != NULL) ? g_table_houseInfo[h->index].starportDeliveryTime : 1;
}
}
if (tickHouse) {
House_CalculatePowerAndCredit(h);
Structure_CalculateHitpointsMax(h);
if (h->timerUnitAttack != 0) h->timerUnitAttack--;
if (h->timerSandwormAttack != 0) h->timerSandwormAttack--;
if (h->timerStructureAttack != 0) h->timerStructureAttack--;
if (h->harvestersIncoming > 0 && Unit_CreateWrapper((uint8)h->index, UNIT_HARVESTER, 0) != NULL) h->harvestersIncoming--;
}
if (tickPowerMaintenance) {
uint16 powerMaintenanceCost = (h->powerUsage / 32) + 1;
h->credits -= min(h->credits, powerMaintenanceCost);
}
}
}