/**
* qty does not actually buy that qty, but checks that the AI has enough cash to buy that qty.
*
* @param type
* @param location
* @param qty
* @param keep_reserve_cash
* @return
*/
private boolean buyUnit(int type, Point location, int qty, boolean keep_reserve_cash) {
int cost = UnitStats.GetCost(type) * qty;
if (keep_reserve_cash) {
cost += this.player_attack_units_threat * 2;
}
if (main.game_data.pdata[side].getCash() >= cost) {
if (main.game_data.map_data.map[location.x][location.y].owner == side) {
if (main.isAreaClearForNewUnit(
location.x * MapData.SQUARE_SIZE, location.y * MapData.SQUARE_SIZE, type)) {
UnitStats.CreateUnit(main, type, location.x, location.y, side);
main.game_data.pdata[side].addCash(-UnitStats.GetCost(type));
if (Main.DEBUG_AI) {
main.addLogEntry("AI bought " + UnitStats.GetName(type));
}
this.updateIntel();
return true;
} else {
if (Main.DEBUG_AI) {
main.addLogEntry("Area " + top_threat_location + " not clear");
}
}
}
}
return false;
}
public void process() {
if (ai_interval.hitInterval()) {
if (update_intel_interval.hitInterval()) {
this.updateIntel();
}
if (attack_type_to_build == -1) {
SelectRandomUnitTypeAndQty(true);
}
if (defence_type_to_build == -1) {
SelectRandomUnitTypeAndQty(false);
}
if (max_map_threat <= 1) {
if (build_mine || max_map_target == 0) {
if (best_mine_location.x >= 0) {
if (buyUnit(UnitStats.MINE, best_mine_location, 1, true)) {
this.build_mine = Functions.rnd(1, BUY_MINE_CHANCE) > 1;
}
} else {
if (Main.DEBUG_AI) {
main.addLogEntry("No potential mine location found.");
}
}
} else if (max_map_target > 0) {
if (buyUnit(
attack_type_to_build, top_target_location, this.num_attackers_to_build, false)) {
this.num_attackers_to_build--;
if (this.num_attackers_to_build == 0) {
this.build_mine = Functions.rnd(1, BUY_MINE_CHANCE) > 1;
SelectRandomUnitTypeAndQty(true);
} else {
ai_interval.fireInterval(); // SO we buy again quickly!
}
}
}
} else { // Defend!
if (buyUnit(defence_type_to_build, top_threat_location, num_defenders_to_build, false)) {
num_defenders_to_build--;
if (num_defenders_to_build == 0) {
SelectRandomUnitTypeAndQty(false);
} else {
ai_interval.fireInterval(); // SO we buy again quickly!
}
}
}
}
}
private void updateIntel() {
player_attack_units_threat = 0;
// First, blank the intel rating
for (int y = 0; y < map_height; y++) {
for (int x = 0; x < map_width; x++) {
threats_intel[x][y] = 0;
targets_intel[x][y] = 0;
allied_intel[x][y] = 0;
}
}
// Now update the threat of each square
ThreadSafeArrayList sprites = main.sprites;
Sprite sprite;
for (int i = 0; i < sprites.size(); i++) {
sprite = (Sprite) sprites.get(i);
if (sprite != null) {
if (sprite instanceof GameUnit) {
GameUnit gu = (GameUnit) sprite;
if (gu.threat_value != 0) {
if (gu.side != this.side) {
if (gu instanceof UnitBomber || gu instanceof UnitTank) {
player_attack_units_threat += gu.threat_value;
}
}
int mapx = sprite.getMapX();
int mapy = sprite.getMapY();
// Update intel based on unit's view range
int RANGE_SQ =
(GameUnit.SHOT_RANGE
/ MapData
.SQUARE_SIZE); // / 2; DONT HALVE IT SINCE THE AI WILL BULD MONES NEXT TO
// SILOS! // Halve it since it's the dist between our
// enemies and squares owned by us
for (int y2 = mapy - RANGE_SQ; y2 <= mapy + RANGE_SQ; y2++) {
for (int x2 = mapx - RANGE_SQ; x2 <= mapx + RANGE_SQ; x2++) {
double dist = Functions.distance(mapx, mapy, x2, y2);
if (dist <= RANGE_SQ) {
try {
if (gu instanceof UnitMiningPlatform == false) {
if (gu.side != this.side) {
threats_intel[x2][y2] += gu.threat_value;
} else {
allied_intel[x2][y2] += gu.threat_value;
}
} else if (gu instanceof UnitMiningPlatform) {
if (gu.side != this.side) {
targets_intel[x2][y2] += gu.threat_value;
}
}
} catch (java.lang.ArrayIndexOutOfBoundsException ex) {
// Do nothing
}
}
}
}
// Update targets
// Update intel based on unit's view range
/*int TARGET_RANGE_SQ = (UnitStats.BOMBER_VIEW_RANGE / MapData.SQUARE_SIZE);
for(int y2=mapy-TARGET_RANGE_SQ ; y2<=mapy+TARGET_RANGE_SQ ; y2++) {
for(int x2=mapx-TARGET_RANGE_SQ ; x2<=mapx+TARGET_RANGE_SQ ; x2++) {
double dist = Functions.distance(mapx, mapy, x2, y2);
if (dist <= TARGET_RANGE_SQ) {
try {
if (gu instanceof UnitMiningPlatform) {
if (gu.side != this.side) {
targets_intel[x2][y2] += gu.threat_value;
}
}
} catch (java.lang.ArrayIndexOutOfBoundsException ex) {
// Do nothing
}
}
}
}*/
}
}
}
}
// Get the top threat square
int highest_threat = -1;
int highest_target = -1;
int highest_resources = -1;
for (int y = 0; y < map_height; y++) {
for (int x = 0; x < map_width; x++) {
if (main.getMapData().map[x][y].owner
== side) { // This is where we are going to build something, so it must be our square
if (threats_intel[x][y] - allied_intel[x][y] > highest_threat) {
if (main.isAreaClearForNewUnit(x * MapData.SQUARE_SIZE, y * MapData.SQUARE_SIZE, -1)) {
highest_threat = threats_intel[x][y] - allied_intel[x][y];
top_threat_location.x = x;
top_threat_location.y = y;
}
}
if (targets_intel[x][y] > highest_target) {
if (main.isAreaClearForNewUnit(x * MapData.SQUARE_SIZE, y * MapData.SQUARE_SIZE, -1)) {
highest_target = targets_intel[x][y];
top_target_location.x = x;
top_target_location.y = y;
}
}
if (threats_intel[x][y] == 0) { // Don't build near an enemy!
int minerals = (int) main.getMapData().map[x][y].minerals;
if (minerals
>= highest_resources) { // Needs to be ">=" otherwise the AI spreads itself all over
// the map (was: Needs to be ">" so that if there's no
// resources in starting squares, it moves up-left)
// if (main.getMapData().map[x][y].owner == side) {
if (main.isAreaClearForNewUnit(
x * MapData.SQUARE_SIZE, y * MapData.SQUARE_SIZE, -1)) {
highest_resources = minerals;
best_mine_location.x = x;
best_mine_location.y = y;
}
// }
}
}
}
}
}
max_map_threat = 0;
if (top_threat_location.x >= 0) {
max_map_threat =
this.threats_intel[top_threat_location.x][top_threat_location.y]
- this.allied_intel[top_threat_location.x][top_threat_location.y];
}
max_map_target = 0;
if (top_target_location.x >= 0) {
max_map_target = this.targets_intel[top_target_location.x][top_target_location.y];
}
// Get the best mine location
/*int highest_resources = -1;
for (int y = 0 ; y<map_height ; y++) {
for (int x = 0 ; x<map_width ; x++) {
if (threats_intel[x][y] == 0) { // Don't build near an enemy!
int minerals = (int)main.getMapData().map[x][y].minerals;
if (minerals >= highest_resources) { // Needs to be ">=" otherwise the AI spreads itself all over the map (was: Needs to be ">" so that if there's no resources in starting squares, it moves up-left)
if (main.getMapData().map[x][y].owner == side) {
if (main.isAreaClearForNewUnit(x * MapData.SQUARE_SIZE, y * MapData.SQUARE_SIZE, -1)) {
highest_resources = minerals;
best_mine_location.x = x;
best_mine_location.y = y;
}
}
}
}
}
}
prev_highest_resources = highest_resources;*/
}