112 lines
4.0 KiB
Lua
112 lines
4.0 KiB
Lua
--- @section DiscussionWindow
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local TEXTBOX_W = math.floor(Config.screen.width * 0.7)
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local TEXTBOX_H = math.floor(Config.screen.height * 0.3)
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local TEXTBOX_X = math.floor((Config.screen.width - TEXTBOX_W) / 2)
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local TEXTBOX_Y = math.floor((Config.screen.height - TEXTBOX_H) / 2 - 8)
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local TEXTBOX_MAX_CHARS = 30
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local DISCUSSION_LINE_HEIGHT = 8
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local PADDING = 4
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local AUTO_SCROLL_DELAY = 12
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local AUTO_SCROLL_STEP = 1
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--- Draws the discussion window.
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--- @within DiscussionWindow
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function DiscussionWindow.draw()
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GameWindow.draw()
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local step = Discussion.get_current_step()
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if not step then return end
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UI.draw_textbox(
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step.question,
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TEXTBOX_X, TEXTBOX_Y,
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TEXTBOX_W, TEXTBOX_H,
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Context.discussion.scroll_y,
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Config.colors.white,
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Config.colors.black,
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Config.colors.light_blue,
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true
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)
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local answers = step.answers
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if #answers > 0 then
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local bar_height = 16
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local bar_y = Config.screen.height - bar_height
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rect(0, bar_y, Config.screen.width, bar_height, Config.colors.dark_grey)
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local selected = answers[Context.discussion.selected_answer]
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local label = selected.label
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local answer_text_y = bar_y + 4
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local left_arrow_color = Input.left() and Config.colors.white or Config.colors.orange
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local right_arrow_color = Input.right() and Config.colors.white or Config.colors.orange
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local left_arrow_contour_color = Input.left() and Config.colors.white or Config.colors.black
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local right_arrow_contour_color = Input.right() and Config.colors.white or Config.colors.black
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Print.text_center_contour("<", 6, answer_text_y, left_arrow_color, false, 1, left_arrow_contour_color)
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Print.text_center(label, Config.screen.width / 2, answer_text_y, Config.colors.orange)
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Print.text_center_contour(">", Config.screen.width - 6, answer_text_y, right_arrow_color, false, 1, right_arrow_contour_color)
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end
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end
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--- Updates the discussion window logic.
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--- @within DiscussionWindow
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function DiscussionWindow.update()
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local step = Discussion.get_current_step()
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if not step then return end
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local lines = UI.word_wrap(step.question, TEXTBOX_MAX_CHARS)
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local text_height = #lines * DISCUSSION_LINE_HEIGHT
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local visible_height = TEXTBOX_H - PADDING * 2
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local max_scroll = text_height - visible_height
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if max_scroll < 0 then max_scroll = 0 end
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if max_scroll > 0 then
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if Context.discussion.auto_scroll then
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Context.discussion.scroll_timer = Context.discussion.scroll_timer + 1
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if Context.discussion.scroll_timer >= AUTO_SCROLL_DELAY then
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Context.discussion.scroll_timer = 0
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Context.discussion.scroll_y = Context.discussion.scroll_y + AUTO_SCROLL_STEP
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if Context.discussion.scroll_y > max_scroll then
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Context.discussion.scroll_y = max_scroll
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end
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end
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end
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else
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Context.discussion.scroll_y = 0
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Context.discussion.scroll_timer = 0
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end
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if Input.up() then
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Context.discussion.auto_scroll = false
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Context.discussion.scroll_y = Context.discussion.scroll_y - DISCUSSION_LINE_HEIGHT
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if Context.discussion.scroll_y < 0 then
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Context.discussion.scroll_y = 0
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end
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elseif Input.down() then
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Context.discussion.auto_scroll = false
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Context.discussion.scroll_y = Context.discussion.scroll_y + DISCUSSION_LINE_HEIGHT
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if Context.discussion.scroll_y > max_scroll then
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Context.discussion.scroll_y = max_scroll
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end
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end
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local answers = step.answers
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if #answers > 0 then
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if Input.left() then
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Audio.sfx_beep()
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Context.discussion.selected_answer = Util.safeindex(answers, Context.discussion.selected_answer - 1)
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elseif Input.right() then
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Audio.sfx_beep()
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Context.discussion.selected_answer = Util.safeindex(answers, Context.discussion.selected_answer + 1)
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end
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if Input.select() then
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Audio.sfx_select()
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local selected = answers[Context.discussion.selected_answer]
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if selected.on_select then
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selected.on_select()
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end
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Discussion.go_to_step(selected.next_step)
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end
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end
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end
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