407 lines
16 KiB
C++
407 lines
16 KiB
C++
/*
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https://github.com/peterix/dfhack
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Copyright (c) 2009-2012 Petr Mrázek (peterix@gmail.com)
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must
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not claim that you wrote the original software. If you use this
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software in a product, an acknowledgment in the product documentation
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would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*/
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#pragma once
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#include "Export.h"
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#include "Module.h"
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#include "BitArray.h"
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#include "ColorText.h"
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#include "Types.h"
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#include <string>
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#include <set>
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#include <memory>
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#include "DataDefs.h"
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#include "df/graphic.h"
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#include "df/viewscreen.h"
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#include "df/zoom_commands.h"
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#include "modules/GuiHooks.h"
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namespace df
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{
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struct job;
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struct item;
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struct unit;
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struct building;
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struct plant;
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}
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/**
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* \defgroup grp_screen utilities for painting to the screen
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* @ingroup grp_screen
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*/
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namespace DFHack
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{
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class Core;
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class Plugin;
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typedef std::set<df::interface_key> interface_key_set;
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/**
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* The Screen module
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* \ingroup grp_modules
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* \ingroup grp_screen
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*/
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namespace Screen
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{
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/// Data structure describing all properties a screen tile can have
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struct Pen {
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// Ordinary text symbol
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char ch;
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int8_t fg, bg;
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bool bold;
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// Graphics tile
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int tile;
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enum TileMode {
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AsIs, // Tile colors used without modification
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CharColor, // The fg/bg pair is used
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TileColor // The fields below are used
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} tile_mode;
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int8_t tile_fg, tile_bg;
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bool write_to_lower = false;
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bool keep_lower = false;
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bool valid() const { return tile >= 0; }
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bool empty() const { return ch == 0 && tile == 0; }
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// NOTE: LuaApi.cpp assumes this struct is plain data and has empty destructor
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Pen(char ch = 0, int8_t fg = 7, int8_t bg = 0, int tile = 0, bool color_tile = false)
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: ch(ch), fg(fg&7), bg(bg), bold(!!(fg&8)),
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tile(tile), tile_mode(color_tile ? CharColor : AsIs), tile_fg(0), tile_bg(0)
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{}
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Pen(char ch, int8_t fg, int8_t bg, bool bold, int tile = 0, bool color_tile = false)
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: ch(ch), fg(fg), bg(bg), bold(bold),
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tile(tile), tile_mode(color_tile ? CharColor : AsIs), tile_fg(0), tile_bg(0)
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{}
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Pen(char ch, int8_t fg, int8_t bg, int tile, int8_t tile_fg, int8_t tile_bg)
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: ch(ch), fg(fg&7), bg(bg), bold(!!(fg&8)),
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tile(tile), tile_mode(TileColor), tile_fg(tile_fg), tile_bg(tile_bg)
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{}
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Pen(char ch, int8_t fg, int8_t bg, bool bold, int tile, int8_t tile_fg, int8_t tile_bg)
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: ch(ch), fg(fg), bg(bg), bold(bold),
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tile(tile), tile_mode(TileColor), tile_fg(tile_fg), tile_bg(tile_bg)
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{}
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void adjust(int8_t nfg) { fg = nfg&7; bold = !!(nfg&8); }
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void adjust(int8_t nfg, bool nbold) { fg = nfg; bold = nbold; }
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void adjust(int8_t nfg, int8_t nbg) { adjust(nfg); bg = nbg; }
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void adjust(int8_t nfg, bool nbold, int8_t nbg) { adjust(nfg, nbold); bg = nbg; }
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Pen color(int8_t nfg) const { Pen cp(*this); cp.adjust(nfg); return cp; }
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Pen color(int8_t nfg, bool nbold) const { Pen cp(*this); cp.adjust(nfg, nbold); return cp; }
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Pen color(int8_t nfg, int8_t nbg) const { Pen cp(*this); cp.adjust(nfg, nbg); return cp; }
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Pen color(int8_t nfg, bool nbold, int8_t nbg) const { Pen cp(*this); cp.adjust(nfg, nbold, nbg); return cp; }
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Pen chtile(char ch) { Pen cp(*this); cp.ch = ch; return cp; }
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Pen chtile(char ch, int tile) { Pen cp(*this); cp.ch = ch; cp.tile = tile; return cp; }
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};
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class DFHACK_EXPORT PenArray {
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Pen *buffer;
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unsigned int dimx;
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unsigned int dimy;
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bool static_alloc;
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public:
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PenArray(unsigned int bufwidth, unsigned int bufheight);
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PenArray(unsigned int bufwidth, unsigned int bufheight, void *buf);
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~PenArray();
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void clear();
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unsigned int get_dimx() { return dimx; }
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unsigned int get_dimy() { return dimy; }
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Pen get_tile(unsigned int x, unsigned int y);
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void set_tile(unsigned int x, unsigned int y, Screen::Pen pen);
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void draw(unsigned int x, unsigned int y, unsigned int width, unsigned int height,
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unsigned int bufx = 0, unsigned int bufy = 0);
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};
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struct DFHACK_EXPORT ViewRect {
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rect2d view, clip;
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ViewRect(rect2d area) : view(area), clip(area) {}
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ViewRect(rect2d area, rect2d clip) : view(area), clip(clip) {}
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bool isDefunct() const {
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return clip.first.x > clip.second.x || clip.first.y > clip.second.y;
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}
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int width() const { return view.second.x-view.first.x+1; }
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int height() const { return view.second.y-view.first.y+1; }
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df::coord2d local(df::coord2d pos) const {
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return df::coord2d(pos.x - view.first.x, pos.y - view.first.y);
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}
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df::coord2d global(df::coord2d pos) const {
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return df::coord2d(pos.x + view.first.x, pos.y + view.first.y);
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}
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df::coord2d global(int x, int y) const {
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return df::coord2d(x + view.first.x, y + view.first.y);
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}
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bool inClipGlobal(int x, int y) const {
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return x >= clip.first.x && x <= clip.second.x &&
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y >= clip.first.y && y <= clip.second.y;
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}
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bool inClipGlobal(df::coord2d pos) const {
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return inClipGlobal(pos.x, pos.y);
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}
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bool inClipLocal(int x, int y) const {
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return inClipGlobal(x + view.first.x, y + view.first.y);
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}
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bool inClipLocal(df::coord2d pos) const {
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return inClipLocal(pos.x, pos.y);
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}
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ViewRect viewport(rect2d area) const {
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rect2d nview(global(area.first), global(area.second));
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return ViewRect(nview, intersect(nview, clip));
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}
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};
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DFHACK_EXPORT df::coord2d getMousePos();
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DFHACK_EXPORT df::coord2d getMousePixels();
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DFHACK_EXPORT df::coord2d getWindowSize();
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inline rect2d getScreenRect() {
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return rect2d(df::coord2d(0,0), getWindowSize()-df::coord2d(1,1));
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}
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/// Wrapper to call enabler->zoom_display from plugins
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DFHACK_EXPORT void zoom(df::zoom_commands cmd);
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/// Returns the state of [GRAPHICS:YES/NO]
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DFHACK_EXPORT bool inGraphicsMode();
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/// Paint one screen tile with the given pen
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DFHACK_EXPORT bool paintTile(const Pen &pen, int x, int y, bool map = false);
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/// Retrieves one screen tile from the buffer
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DFHACK_EXPORT Pen readTile(int x, int y, bool map = false);
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/// Paint a string onto the screen. Ignores ch and tile of pen.
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DFHACK_EXPORT bool paintString(const Pen &pen, int x, int y, const std::string &text, bool map = false);
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/// Fills a rectangle with one pen. Possibly more efficient than a loop over paintTile.
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DFHACK_EXPORT bool fillRect(const Pen &pen, int x1, int y1, int x2, int y2, bool map = false);
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/// Draws a standard dark gray window border with a title string
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DFHACK_EXPORT bool drawBorder(const std::string &title);
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/// Wipes the screen to full black
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DFHACK_EXPORT bool clear();
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/// Requests repaint
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DFHACK_EXPORT bool invalidate();
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/// Find a loaded graphics tile from graphics raws.
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DFHACK_EXPORT bool findGraphicsTile(const std::string &page, int x, int y, int *ptile, int *pgs = NULL);
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// Push and remove viewscreens
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DFHACK_EXPORT bool show(std::unique_ptr<df::viewscreen> screen, df::viewscreen *before = NULL, Plugin *p = NULL);
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inline bool show(std::unique_ptr<df::viewscreen> screen, Plugin *p)
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{ return show(std::move(screen), NULL, p); }
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DFHACK_EXPORT void dismiss(df::viewscreen *screen, bool to_first = false);
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DFHACK_EXPORT bool isDismissed(df::viewscreen *screen);
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DFHACK_EXPORT bool hasActiveScreens(Plugin *p);
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DFHACK_EXPORT void raise(df::viewscreen *screen);
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/// Retrieve the string representation of the bound key.
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DFHACK_EXPORT std::string getKeyDisplay(df::interface_key key);
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/// Return the character represented by this key, or -1
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DFHACK_EXPORT int keyToChar(df::interface_key key);
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/// Return the key code matching this character, or NONE
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DFHACK_EXPORT df::interface_key charToKey(char code);
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/// A painter class that implements a clipping area and cursor/pen state
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struct DFHACK_EXPORT Painter : ViewRect {
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df::coord2d gcursor;
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Pen cur_pen, cur_key_pen;
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static const Pen default_pen;
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static const Pen default_key_pen;
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Painter(const ViewRect &area, const Pen &pen = default_pen, const Pen &kpen = default_key_pen)
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: ViewRect(area), gcursor(area.view.first), cur_pen(pen), cur_key_pen(kpen)
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{}
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df::coord2d cursor() const { return local(gcursor); }
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int cursorX() const { return gcursor.x - view.first.x; }
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int cursorY() const { return gcursor.y - view.first.y; }
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bool isValidPos() const { return inClipGlobal(gcursor); }
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Painter viewport(rect2d area) const {
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return Painter(ViewRect::viewport(area), cur_pen, cur_key_pen);
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}
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Painter &seek(df::coord2d pos) { gcursor = global(pos); return *this; }
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Painter &seek(int x, int y) { gcursor = global(x,y); return *this; }
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Painter &advance(int dx) { gcursor.x += dx; return *this; }
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Painter &advance(int dx, int dy) { gcursor.x += dx; gcursor.y += dy; return *this; }
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Painter &newline(int dx = 0) { gcursor.y++; gcursor.x = view.first.x + dx; return *this; }
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const Pen &pen() const { return cur_pen; }
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Painter &pen(const Pen &np) { cur_pen = np; return *this; }
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Painter &pen(int8_t fg) { cur_pen.adjust(fg); return *this; }
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const Pen &key_pen() const { return cur_key_pen; }
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Painter &key_pen(const Pen &np) { cur_key_pen = np; return *this; }
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Painter &key_pen(int8_t fg) { cur_key_pen.adjust(fg); return *this; }
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Painter &clear() {
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fillRect(Pen(' ',0,0,false), clip.first.x, clip.first.y, clip.second.x, clip.second.y);
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return *this;
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}
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Painter &fill(const rect2d &area, const Pen &pen, bool map = false) {
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rect2d irect = intersect(area, clip);
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fillRect(pen, irect.first.x, irect.first.y, irect.second.x, irect.second.y, map);
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return *this;
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}
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Painter &fill(const rect2d &area, bool map = false) { return fill(area, cur_pen, map); }
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Painter &tile(const Pen &pen, bool map = false) {
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if (isValidPos()) paintTile(pen, gcursor.x, gcursor.y, map);
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return advance(1);
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}
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Painter &tile(bool map = false) { return tile(cur_pen, map); }
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Painter &tile(char ch, bool map = false) { return tile(cur_pen.chtile(ch), map); }
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Painter &tile(char ch, int tileid, bool map = false) { return tile(cur_pen.chtile(ch, tileid), map); }
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Painter &string(const std::string &str, const Pen &pen, bool map = false) {
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do_paint_string(str, pen, map); return advance(str.size());
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}
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Painter &string(const std::string &str, bool map = false) { return string(str, cur_pen, map); }
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Painter &string(const std::string &str, int8_t fg, bool map = false) { return string(str, cur_pen.color(fg), map); }
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Painter &key(df::interface_key kc, const Pen &pen, bool map = false) {
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return string(getKeyDisplay(kc), pen, map);
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}
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Painter &key(df::interface_key kc, bool map = false) { return key(kc, cur_key_pen, map); }
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private:
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void do_paint_string(const std::string &str, const Pen &pen, bool map = false);
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};
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namespace Hooks {
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GUI_HOOK_DECLARE(get_tile, Pen, (int x, int y, bool map));
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GUI_HOOK_DECLARE(set_tile, bool, (const Pen &pen, int x, int y, bool map));
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}
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//! Temporary hide a screen until destructor is called
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struct DFHACK_EXPORT Hide {
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Hide(df::viewscreen* screen, int flags = 0);
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~Hide();
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static const int RESTORE_AT_TOP = 0x1;
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private:
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void extract();
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void merge();
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df::viewscreen* screen;
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df::viewscreen* prev_parent;
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int flags;
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};
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}
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class DFHACK_EXPORT dfhack_viewscreen : public df::viewscreen {
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df::coord2d last_size;
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void check_resize();
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protected:
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bool text_input_mode;
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public:
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dfhack_viewscreen();
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virtual ~dfhack_viewscreen();
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static bool is_instance(df::viewscreen *screen);
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static dfhack_viewscreen *try_cast(df::viewscreen *screen);
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virtual void logic();
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virtual void render();
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virtual void resize(int w, int h) { return; }
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virtual int8_t movies_okay() { return 1; }
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virtual bool key_conflict(df::interface_key key);
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virtual bool is_lua_screen() { return false; }
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virtual std::string getFocusString() = 0;
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virtual void onShow() {};
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virtual void onDismiss() {};
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virtual df::unit *getSelectedUnit() { return nullptr; }
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virtual df::item *getSelectedItem() { return nullptr; }
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virtual df::job *getSelectedJob() { return nullptr; }
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virtual df::building *getSelectedBuilding() { return nullptr; }
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virtual df::plant *getSelectedPlant() { return nullptr; }
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static virtual_identity _identity;
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};
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class DFHACK_EXPORT dfhack_lua_viewscreen : public dfhack_viewscreen {
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std::string focus;
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void update_focus(lua_State *L, int idx);
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bool safe_call_lua(int (*pf)(lua_State *), int args, int rvs);
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static dfhack_lua_viewscreen *get_self(lua_State *L);
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static int do_destroy(lua_State *L);
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static int do_render(lua_State *L);
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static int do_notify(lua_State *L);
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static int do_input(lua_State *L);
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bool allow_options;
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public:
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dfhack_lua_viewscreen(lua_State *L, int table_idx);
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virtual ~dfhack_lua_viewscreen();
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static df::viewscreen *get_pointer(lua_State *L, int idx, bool make);
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virtual bool is_lua_screen() { return true; }
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virtual std::string getFocusString() { return focus; }
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virtual void render();
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virtual void logic();
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virtual void help();
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virtual void resize(int w, int h);
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virtual void feed(std::set<df::interface_key> *keys);
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virtual bool key_conflict(df::interface_key key);
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virtual void onShow();
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virtual void onDismiss();
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virtual df::unit *getSelectedUnit();
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virtual df::item *getSelectedItem();
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virtual df::job *getSelectedJob();
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virtual df::building *getSelectedBuilding();
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virtual df::plant *getSelectedPlant();
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static virtual_identity _identity;
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};
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}
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