83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
#ifndef CGDOOM_UI_H
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#define CGDOOM_UI_H
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#include "cgdoom.h"
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#include <stdarg.h>
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#include <stdint.h>
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/* Basic rendering functions. */
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enum {
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UI_LEFT = 0,
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UI_CENTER = 1,
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UI_RIGHT = 2,
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};
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/* Show a progress bar at the bottom of the screen. */
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void UI_ProgressBar(int y, int current, int total);
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/* Print text with a cleaner font. */
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void UI_Print(int x, int y, int fg, int halign, char const *text, int length);
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/* Like UI_Print, but applies printf() formatting. */
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void UI_Printf(int x, int y, int fg, int halign, char const *fmt, ...);
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void UI_Vprintf(int x, int y, int fg, int halign, char const *fmt, va_list args);
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/* A simple immediate-mode layout system. */
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typedef struct
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{
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/* Reset each frame: current rendering y, number of focusable elements */
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int y, focus_count;
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/* Persistent: currently-focused element, non-zero if input in progress */
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int focus, active;
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/* Input text and cursor position */
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char text[16];
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int cursor;
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/* Properties for focusable elements */
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uint8_t focus_y[16];
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uint8_t focus_type[16];
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void *focus_data[16];
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} Layout;
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void Layout_Init(Layout *l);
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void Layout_StartFrame(Layout *l);
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void Layout_EndFrame(Layout *l);
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/* Add a centered text. */
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void Layout_CenteredText(Layout *l, const char *text);
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/* Add a labeled field with printf-formatted contents. */
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void Layout_Text(Layout *l, const char *label, const char *fmt, ...);
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/* Add a checkbox. */
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void Layout_Checkbox(Layout *l, const char *label, int *checked);
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/* Add an integer input. */
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void Layout_Integer(Layout *l, const char *label, int *value);
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/* Add spacing. */
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void Layout_Spacing(Layout *l, int spacing);
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/* Handle a key press; returns non-zero if event is caught. */
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int Layout_Event(Layout *l, int key);
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/* Larger-scale functions. */
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/* Show the program's main screen; returns index of selected WAD file. */
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int UI_Main(CGD_WADFileInfo *wads, int wad_count,
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int *dev_info, /* Enable technical detail screens */
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int *use_mmap, /* Map file to memory (as opposed to using Bfile) */
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int *startmap, /* Warp to this map */
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int *startepisode, /* Warp to this episode */
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int *trustunaligned, /* Trust unaligned lumps */
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int *autostart, /* Skip title screen, straight to gameplay */
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int *enabledemos, /* Enable demos on the title screen */
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int *enable2MBline /* Enable memory past the 2MB line */
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);
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/* Show an error with custom formatting. */
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void UI_Error(const char *fmt, va_list args);
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/* Show a file save with a progress bar. */
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void UI_DelayedWrites(CGD_DelayedFileWrite const *dfw, int count,
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int current_file, int current_amount);
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#endif /* CGDOOM_UI_H */
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