102 lines
4.6 KiB
Text
102 lines
4.6 KiB
Text
# votes.ludic - what changes the world for everyone is the host's to put to the party and the
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# party's to agree: a majority of the players, the host included, within thirty seconds. A guest
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# only hears of a vote (ses_vote_told), casts its own (SES_VOTE_CAST) and hears how it ended.
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export const SES_MAY_GO: int = 0 # alone, or nobody else here: go ahead
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export const SES_MAY_ASKED: int = 1 # the party has been asked; the act waits for SES_VOTE_RESOLVED
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export const SES_MAY_BUSY: int = 2 # a vote is already open
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export const SES_MAY_HOSTS: int = 3 # a guest: it is for the host to ask
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const SESSION_VOTE_SECS: float = 30.0
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# a world-changing act: may it go ahead now, or does the party have to be asked first?
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export function ses_may(session_st: mut SessionState, kind: int, param: int, text: string) -> int {
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if not ses_live(session_st) { return SES_MAY_GO }
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if session_st.session__role == SES_GUEST { return SES_MAY_HOSTS }
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if ply_count(session_st) <= 1 { return SES_MAY_GO }
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if not ses_vote_open(session_st, kind, param, text) { return SES_MAY_BUSY }
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return SES_MAY_ASKED
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}
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# the host puts it to the party, voting yes itself
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export function ses_vote_open(session_st: mut SessionState, kind: int, param: int, text: string) -> bool {
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if session_st.session__role != SES_HOST or ses_vote_live(session_st) { return false }
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session_st.session__vote_id += 1
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session_st.session__vote_kind = kind
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session_st.session__vote_param = param
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session_st.session__vote_text = text
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session_st.session__vote_t = SESSION_VOTE_SECS
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session_st.session__vote_yes = 1
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session_st.session__vote_no = 0
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session_st.session__vote_mine = 1
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session_st.session__vote_passed = -1
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let f = session__vote_fact(session_st, SES_VOTE_OPENED)
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f.yes = true
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session__vote_check(session_st)
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return true
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}
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# this player's answer; a guest's goes to the host as SES_VOTE_CAST
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export function ses_vote_cast(session_st: mut SessionState, yes: bool) -> void {
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if not ses_vote_live(session_st) or session_st.session__vote_mine >= 0 { return }
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if yes { session_st.session__vote_mine = 1 } else { session_st.session__vote_mine = 0 }
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if session_st.session__role == SES_GUEST {
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let f = session__vote_fact(session_st, SES_VOTE_CAST)
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f.yes = yes
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return
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}
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ses_vote_heard(session_st, session_st.session__vote_id, yes)
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}
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# the host: a player's answer to vote `id`
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export function ses_vote_heard(session_st: mut SessionState, id: int, yes: bool) -> void {
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if session_st.session__role != SES_HOST or id != session_st.session__vote_id or not ses_vote_live(session_st) { return }
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if yes { session_st.session__vote_yes += 1 } else { session_st.session__vote_no += 1 }
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session__vote_check(session_st)
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}
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# a guest: the host opened vote `id`, or ended it
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export function ses_vote_told(session_st: mut SessionState, id: int, kind: int, text: string) -> void {
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session_st.session__vote_id = id
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session_st.session__vote_kind = kind
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session_st.session__vote_text = text
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session_st.session__vote_t = SESSION_VOTE_SECS
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session_st.session__vote_mine = -1
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}
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export function ses_vote_ended(session_st: mut SessionState, id: int, passed: bool) -> void {
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if id != session_st.session__vote_id { return }
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session_st.session__vote_t = 0.0
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if passed { session_st.session__vote_passed = 1 } else { session_st.session__vote_passed = 0 }
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}
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# the vote's thirty seconds; on the host, running out decides it
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export function ses_vote_tick(session_st: mut SessionState, dt: float) -> void {
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if not ses_vote_live(session_st) { return }
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session_st.session__vote_t = session_st.session__vote_t - dt
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if session_st.session__role == SES_HOST and not ses_vote_live(session_st) { session__vote_finish(session_st) }
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}
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function session__vote_check(session_st: mut SessionState) -> void {
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let n = ply_count(session_st)
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let yes = session_st.session__vote_yes
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let no = session_st.session__vote_no
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if yes * 2 > n or no * 2 >= n or yes + no >= n { session__vote_finish(session_st) }
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}
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function session__vote_finish(session_st: mut SessionState) -> void {
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let passed = session_st.session__vote_yes * 2 > ply_count(session_st)
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session_st.session__vote_t = 0.0
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if passed { session_st.session__vote_passed = 1 } else { session_st.session__vote_passed = 0 }
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let f = session__vote_fact(session_st, SES_VOTE_RESOLVED)
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f.yes = passed
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}
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function session__vote_fact(session_st: SessionState, what: int) -> SessionFact {
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let f = session__fact(session_st, what, -1, 0)
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f.id = session_st.session__vote_id
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f.kind = session_st.session__vote_kind
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f.param = session_st.session__vote_param
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f.text = session_st.session__vote_text
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return f
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}
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