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you can pay off the mortgage

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This commit is contained in:
Tenari
2026-03-09 08:12:32 -05:00
parent a95315f3a3
commit 18efda0b71
4 changed files with 242 additions and 53 deletions
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src/server.c
+76 -11
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@@ -116,6 +116,8 @@ typedef struct ClientList {
typedef struct State {
bool all_accounts_ready;
u8 winner_id;
bool someone_won;
Mutex client_mutex;
Mutex mutex;
ClientList clients;
@@ -447,6 +449,16 @@ fn UDPMessage makeMessagePlayerDetails(PlayerShip ship) {
return outgoing_message;
}
fn void sendMessagePayoffResult(SocketAddress addr) {
UDPMessage outgoing_message = {0};
outgoing_message.address = addr;
u32 msg_i = 0;
outgoing_message.bytes[msg_i++] = (u8)MessagePayoffResult;
outgoing_message.bytes_len = msg_i;
outgoingMessageQueuePush(state.network_send_queue, &outgoing_message);
printf("%s sent\n", MESSAGE_STRINGS[outgoing_message.bytes[0]]);
}
fn void sendMessagePlayerDetails(PlayerShip ship, SocketAddress addr) {
UDPMessage outgoing_message = makeMessagePlayerDetails(ship);
outgoing_message.address = addr;
@@ -505,6 +517,10 @@ fn void handleIncomingMessage(u8* message, u32 len, SocketAddress sender, i32 so
} break;
case CommandKeepAlive:
break;
case CommandPayMortgage: {
parsed.id = readU64FromBufferLE(message + msg_idx);
printf("paying off %lld\n", parsed.id);
} break;
case CommandSetDestination: {
parsed.byte = message[1]; // index of system in array
} break;
@@ -622,6 +638,10 @@ fn bool accountIsEmpty(Account* a) {
return a->id == 0 && a->name.length == 0;
}
fn bool shipIsNull(PlayerShip* ship) {
return ship->id == 0 && ship->base_cost == 0;
}
fn void* gameLoop(void* params) {
LaneCtx* lane_ctx = (LaneCtx*)params;
ThreadContext tctx = {
@@ -642,6 +662,10 @@ fn void* gameLoop(void* params) {
if (LaneIdx() == 0) { // narrow
state.frame += 1;
if (state.all_accounts_ready) {
state.all_accounts_ready = false;
}
// 1. process client messages
lockMutex(&state.client_mutex); lockMutex(&state.mutex); {
@@ -657,6 +681,19 @@ fn void* gameLoop(void* params) {
u32 client_handle = findClientHandleBySocketAddress(&state.clients, sender);
Client* client = &state.clients.items[client_handle];
switch (msg.type) {
case CommandPayMortgage: {
Account* account = &state.accounts[client->account_id];
f32 amount_to_pay = (f32)msg.id;
if (account->ship.credits >= amount_to_pay) {
account->ship.credits -= amount_to_pay;
account->ship.remaining_mortgage -= msg.id;
} else {
account->ship.remaining_mortgage -= (u32)account->ship.credits;
account->ship.credits = 0.0;
}
account->changed = true;
sendMessagePayoffResult(sender);
} break;
case CommandSetDestination: {
Account* account = &state.accounts[client->account_id];
account->destination_sys_idx = msg.byte;
@@ -780,11 +817,12 @@ fn void* gameLoop(void* params) {
break;
}
}
printf("new account id=%d\n", existing_account->id);
existing_account->name = name;
existing_account->pw = pw;
}
client->account_id = existing_account->id;
if (existing_account->ship.id != 0) {
if (!shipIsNull(&existing_account->ship)) {
// tell the client their account id
outgoing_message.bytes[0] = (u8)MessageCharacterId;
writeU64ToBufferLE(outgoing_message.bytes + 1, existing_account->ship.id);
@@ -804,7 +842,8 @@ fn void* gameLoop(void* params) {
} break;
case CommandCreateCharacter: {
Account* account = &state.accounts[client->account_id];
if (account->ship.id == 0) {
printf("creating character for account id=%d, %s\n", account->id, SHIP_TYPE_STRINGS[msg.byte]);
if (shipIsNull(&account->ship)) {
ShipTemplate template = SHIPS[msg.byte];
PlayerShip player_ship = {
.type = msg.byte,
@@ -821,7 +860,7 @@ fn void* gameLoop(void* params) {
.credits = 10000.0,
//.cu_m_fuel; // we are just saying you can buy as much fuel as you want
//.cu_m_o2; // we are just saying you can buy as much o2 as you want
.id = ++state.next_eid, // start from 1
.id = account->id,
};
player_ship.commodities[CommodityHydrogenFuel] = 2000;
player_ship.commodities[CommodityOxygen] = 1000;
@@ -884,11 +923,31 @@ fn void* gameLoop(void* params) {
}
}
if (state.someone_won) {
for (u32 i = 1; i < SERVER_MAX_CLIENTS; i++) {
if (state.clients.items[i].last_ping != 0) {
outgoing_message.address = state.clients.items[i].address;
outgoing_message.bytes_len = 2;
outgoing_message.bytes[0] = (u8)MessageGameOver;
outgoing_message.bytes[1] = state.winner_id;
outgoingMessageQueuePush(state.network_send_queue, &outgoing_message);
}
}
return NULL;
}
} unlockMutex(&state.mutex); unlockMutex(&state.client_mutex);
}
LaneSync();
u32 player_count = 0;
for (u32 i = 0; i < ACCOUNT_LEN; i++) {
if (!accountIsEmpty(&state.accounts[i])) {
player_count += 1;
}
}
// 2. tick non-user entities
if (state.all_accounts_ready) {
// tick all the star systems
@@ -911,16 +970,11 @@ fn void* gameLoop(void* params) {
}
}
// move all the players
u32 player_count = 0;
for (u32 i = 0; i < ACCOUNT_LEN; i++) {
if (!accountIsEmpty(&state.accounts[i])) {
player_count += 1;
}
}
Range1u64 ship_range = LaneRange(player_count);
for (u32 i = ship_range.min; i < ship_range.max; i++) {
Account* acct = &state.accounts[i];
// move all the players
StarSystem dest = state.map[acct->destination_sys_idx];
StarSystem current = state.map[acct->ship.system_idx];
Pos2 dest_pos = {dest.x, dest.y};
@@ -935,11 +989,22 @@ fn void* gameLoop(void* params) {
}
acct->ship.ready_to_depart = false;
acct->changed = true;
// look for a winner + increase the mortgage from interest
if (!shipIsNull(&acct->ship)) {
if (acct->ship.remaining_mortgage == 0) {
state.winner_id = acct->id;
state.someone_won = true;
printf("someone WON!!! %d\n", i);
break;
} else {
acct->ship.remaining_mortgage += acct->ship.remaining_mortgage * (acct->ship.interest_rate / 100.0);
}
}
}
// TODO pay the mortgage payment
}
state.all_accounts_ready = false;
// 3. scratch cleanup
arenaClear(&scratch_arena);