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Trade: (WIP) Add custom trading dialogues, custom trading offers and code to show the custom trading options.

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This commit is contained in:
zorman2000
2017-02-23 07:27:25 -05:00
parent 37d8182bda
commit 1417e35ffb
3 changed files with 184 additions and 32 deletions
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110
dialogue.lua
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@@ -24,6 +24,13 @@ npc.dialogue.NEGATIVE_ANSWER_LABEL = "Nevermind"
npc.dialogue.MIN_DIALOGUES = 2
npc.dialogue.MAX_DIALOGUES = 4
npc.dialogue.dialogue_type = {
married = 1,
casual_trade = 2,
dedicated_trade = 3,
custom_trade = 4
}
-- This table contains the answers of dialogue boxes
npc.dialogue.dialogue_results = {
options_dialogue = {},
@@ -38,13 +45,10 @@ npc.dialogue.dialogue_results = {
-- Creates and shows a multi-option dialogue based on the number of responses
-- that the dialogue object contains
function npc.dialogue.show_options_dialogue(self,
responses,
is_married_dialogue,
is_casual_trade_dialogue,
casual_trade_type,
is_dedicated_trade_prompt,
dialogue,
dismiss_option_label,
player_name)
local responses = dialogue.responses
local options_length = table.getn(responses) + 1
local formspec_height = (options_length * 0.7) + 0.4
local formspec = "size[7,"..tostring(formspec_height).."]"
@@ -63,10 +67,11 @@ function npc.dialogue.show_options_dialogue(self,
-- Create entry on options_dialogue table
npc.dialogue.dialogue_results.options_dialogue[player_name] = {
npc = self,
is_married_dialogue = is_married_dialogue,
is_casual_trade_dialogue = is_casual_trade_dialogue,
casual_trade_type = casual_trade_type,
is_dedicated_trade_prompt = is_dedicated_trade_prompt,
is_married_dialogue = (dialogue.dialogue_type == npc.dialogue.dialogue_type.married),
is_casual_trade_dialogue = (dialogue.dialogue_type == npc.dialogue.dialogue_type.casual_trade),
is_dedicated_trade_dialogue = (dialogue.dialogue_type == npc.dialogue.dialogue_type.dedicated_trade),
is_custom_trade_dialogue = (dialogue.dialogue_type == npc.dialogue.dialogue_type.custom_trade),
casual_trade_type = dialogue.casual_trade_type,
options = responses
}
@@ -170,6 +175,33 @@ function npc.dialogue.select_random_dialogues_for_npc(sex, phase, favorite_items
return result
end
-- This function creates a multi-option dialogue from the custom trades that the
-- NPC have.
function npc.dialogue.create_custom_trade_options(self, player)
-- Create the action for each option
local actions = {}
for i = 1, #self.trader_data.custom_trades do
table.insert(actions, function() npc.trade.show_custom_trade_offer(self, player, self.trader_data.custom_trades[i]) end)
end
-- Default text to be shown for dialogue prompt
local text = npc.trade.CUSTOM_TRADES_PROMPT_TEXT
-- Get the options from each custom trade entry
local options = {}
if #self.trader_data.custom_trades == 1 then
table.insert(options, self.trader_data.custom_trades[1].button_prompt)
text = self.trader_data.custom_trades[1].option_prompt
else
for i = 1, #self.trader_data.custom_trades do
table.insert(options, self.trader_data.custom_trades[i].button_prompt)
end
end
-- Create dialogue object
local dialogue = npc.dialogue.create_option_dialogue(text, options, actions)
dialogue.dialogue_type = npc.dialogue.dialogue_type.custom_trade
return dialogue
end
-- This function will choose randomly a dialogue from the NPC data
-- and process it.
function npc.dialogue.start_dialogue(self, player, show_married_dialogue)
@@ -196,17 +228,30 @@ function npc.dialogue.start_dialogue(self, player, show_married_dialogue)
if chance < 30 then
-- If NPC is a casual trader, show a sell or buy dialogue 30% of the time, depending
-- on the state of the casual trader.
if self.trader_data.trader_status == npc.trade.CASUAL then
-- Show buy/sell with 50% chance each
local buy_or_sell_chance = math.random(1, 2)
if buy_or_sell_chance == 1 then
-- Show casual buy dialogue
dialogue = npc.trade.CASUAL_TRADE_BUY_DIALOGUE
else
-- Show casual sell dialogue
dialogue = npc.trade.CASUAL_TRADE_SELL_DIALOGUE
end
end
if self.trader_data.trader_status == npc.trade.NONE then
-- Show custom trade options if available
if table.getn(self.trader_data.custom_trades) > 0 then
-- Show custom trade options
dialogue = npc.dialogue.create_custom_trade_options(self, player)
end
elseif self.trader_data.trader_status == npc.trade.CASUAL then
local max_trade_chance = 2
if table.getn(self.trader_data.custom_trades) > 0 then
max_trade_chance = 3
end
-- Show buy/sell with 50% chance each
local trade_chance = math.random(1, max_trade_chance)
if trade_chance == 1 then
-- Show casual buy dialogue
dialogue = npc.trade.CASUAL_TRADE_BUY_DIALOGUE
elseif trade_chance == 2 then
-- Show casual sell dialogue
dialogue = npc.trade.CASUAL_TRADE_SELL_DIALOGUE
elseif trade_chance == 3 then
-- Show custom trade options
dialogue = npc.dialogue.create_custom_trade_options(self, player)
end
end
elseif chance >= 30 and chance < 90 then
-- Choose a random dialogue from the common ones
dialogue = self.dialogues.normal[math.random(1, #self.dialogues.normal)]
@@ -215,8 +260,6 @@ function npc.dialogue.start_dialogue(self, player, show_married_dialogue)
dialogue = self.dialogues.hints[math.random(1, 4)]
end
minetest.log("Chosen dialogue: "..dump(dialogue))
local dialogue_result = npc.dialogue.process_dialogue(self, dialogue, player:get_player_name())
if dialogue_result == false then
-- Try to find another dialogue line
@@ -266,11 +309,7 @@ function npc.dialogue.process_dialogue(self, dialogue, player_name)
if dialogue.responses then
npc.dialogue.show_options_dialogue(
self,
dialogue.responses,
dialogue.is_married_dialogue,
dialogue.casual_trade_type ~= nil,
dialogue.casual_trade_type,
dialogue.is_dedicated_trade_prompt,
dialogue,
npc.dialogue.NEGATIVE_ANSWER_LABEL,
player_name
)
@@ -280,6 +319,16 @@ function npc.dialogue.process_dialogue(self, dialogue, player_name)
return true
end
function npc.dialogue.create_option_dialogue(prompt, options, actions)
local result = {}
result.text = prompt
result.responses = {}
for i = 1, #options do
table.insert(result.responses, {text = options[i], action_type="function", action=actions[i]})
end
return result
end
-----------------------------------------------------------------------------
-- Functions for rotating NPC to look at player
-- (taken from the mobs_redo API)
@@ -428,12 +477,17 @@ minetest.register_on_player_receive_fields(function (player, formname, fields)
.action(player_response.npc, player)
end
return
elseif player_response.is_dedicated_trade_prompt == true then
elseif player_response.is_dedicated_trade_dialogue == true then
-- Get the functions for a dedicated trader prompt
npc.trade.DEDICATED_TRADER_PROMPT
.responses[player_response.options[i].response_id]
.action(player_response.npc, player)
return
elseif player_response.is_custom_trade_dialogue == true then
-- Functions for a custom trade should be available from the same dialogue
-- object as it is created in memory
minetest.log("Player response: "..dump(player_response.options[i]))
player_response.options[i].action(player_response.npc, player)
else
-- Get dialogues for sex and phase
local dialogues = npc.data.DIALOGUES[player_response.npc.sex][phase]