189 lines
5.7 KiB
C
189 lines
5.7 KiB
C
// DGen/SDL v1.23+
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#ifndef RC_H_
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#define RC_H_
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#include <stddef.h>
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#include <stdio.h>
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#include <stdint.h>
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// Define the different craptv types
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#define NUM_CTV 5 // Include CTV_OFF
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#define NUM_SCALING 7
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#define CTV_OFF 0
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#define CTV_BLUR 1
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#define CTV_SCANLINE 2
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#define CTV_INTERLACE 3
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#define CTV_SWAB 4
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// Define OR masks for key modifiers
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#define KEYSYM_MOD_ALT 0x40000000
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#define KEYSYM_MOD_SHIFT 0x20000000
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#define KEYSYM_MOD_CTRL 0x10000000
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#define KEYSYM_MOD_META 0x08000000
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#define KEYSYM_MOD_MASK 0x78000000
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// Macros to manage joystick buttons.
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//
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// Integer format (32b): 000000tt iiiiiiii aaaaaaaa bbbbbbbb
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//
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// t: type (0-3):
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// 0 if not configured/invalid.
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// 1 for a normal button, "a" is ignored, "b" is the button index.
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// 2 for an axis, "a" is the axis index, "b" is the axis direction.
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// 3 for a hat, "a" is the hat index, "b" is the hat direction.
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// i: system identifier for joystick/joypad (0-255).
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// a: axis or hat index (0-255).
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// b: button number (0-255), axis direction (0 if negative, 128 if between,
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// 255 if positive), or hat direction (0 = center, 1 = up, 2 = right,
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// 3 = down, 4 = left).
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#define JS_AXIS_NEGATIVE 0x00
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#define JS_AXIS_BETWEEN 0x80
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#define JS_AXIS_POSITIVE 0xff
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#define JS_HAT_CENTERED 0
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#define JS_HAT_UP 1
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#define JS_HAT_RIGHT 2
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#define JS_HAT_DOWN 3
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#define JS_HAT_LEFT 4
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#define JS_TYPE_BUTTON 0x01
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#define JS_TYPE_AXIS 0x02
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#define JS_TYPE_HAT 0x03
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#define JS_MAKE_IDENTIFIER(i) (((i) & 0xff) << 16)
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#define JS_MAKE_BUTTON(b) \
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((JS_TYPE_BUTTON << 24) | ((b) & 0xff))
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#define JS_MAKE_AXIS(a, d) \
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((JS_TYPE_AXIS << 24) | (((a) & 0xff) << 8) | ((d) & 0xff))
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#define JS_MAKE_HAT(h, d) \
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((JS_TYPE_HAT << 24) | (((h) & 0xff) << 8) | ((d) & 0xff))
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#define JS_GET_IDENTIFIER(v) (((v) >> 16) & 0xff)
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#define JS_IS_BUTTON(v) ((((v) >> 24) & 0xff) == JS_TYPE_BUTTON)
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#define JS_IS_AXIS(v) ((((v) >> 24) & 0xff) == JS_TYPE_AXIS)
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#define JS_IS_HAT(v) ((((v) >> 24) & 0xff) == JS_TYPE_HAT)
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#define JS_GET_BUTTON(v) ((v) & 0xff)
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#define JS_GET_AXIS(v) (((v) >> 8) & 0xff)
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#define JS_GET_AXIS_DIR(v) JS_GET_BUTTON(v)
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#define JS_GET_HAT(v) JS_GET_AXIS(v)
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#define JS_GET_HAT_DIR(v) JS_GET_BUTTON(v)
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#define JS_BUTTON(id, button) \
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(JS_MAKE_IDENTIFIER(id) | \
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JS_MAKE_BUTTON(button))
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#define JS_AXIS(id, axis, direction) \
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(JS_MAKE_IDENTIFIER(id) | \
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JS_MAKE_AXIS((axis), (direction)))
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#define JS_HAT(id, hat, direction) \
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(JS_MAKE_IDENTIFIER(id) | \
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JS_MAKE_HAT((hat), (direction)))
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// Macros to manage mouse events.
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//
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// Integer format (32b): 000000tt iiiiiiii 00000000 aaaaaaaa
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//
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// t: type (0-3):
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// 0 if not configured/invalid.
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// 1 for a button, "a" is the button index.
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// 2 for a motion, "a" is the direction.
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// i: system identifier for mouse (0-255).
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// a: button number (0-255), motion direction ('u', 'd', 'l' and 'r' for "up",
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// "down", "left" and "right").
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#define MO_TYPE_BUTTON JS_TYPE_BUTTON
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#define MO_TYPE_MOTION JS_TYPE_AXIS
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#define MO_GET_IDENTIFIER(v) JS_GET_IDENTIFIER(v)
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#define MO_IS_BUTTON(v) JS_IS_BUTTON(v)
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#define MO_IS_MOTION(v) JS_IS_AXIS(v)
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#define MO_GET_BUTTON(v) JS_GET_BUTTON(v)
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#define MO_GET_MOTION(v) MO_GET_BUTTON(v)
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#define MO_BUTTON(id, button) JS_BUTTON(id, button)
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#define MO_MOTION(id, direction) JS_AXIS(id, 0, direction)
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// All the CTV engine names, in string form for the RC and message bar
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extern const char *ctv_names[];
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// Scaling algorithms names
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extern const char *scaling_names[];
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// CPU names
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extern const char *emu_z80_names[];
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extern const char *emu_m68k_names[];
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// Provide a prototype to the parse_rc function in rc.cpp
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extern void parse_rc(FILE *file, const char *name);
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extern char *dump_keysym(intptr_t k);
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extern char *dump_joypad(intptr_t k);
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extern char *dump_mouse(intptr_t k);
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extern void dump_rc(FILE *file);
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extern intptr_t rc_number(const char *value, intptr_t *);
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extern intptr_t rc_keysym(const char *code, intptr_t *);
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extern intptr_t rc_boolean(const char *value, intptr_t *);
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extern intptr_t rc_joypad(const char *desc, intptr_t *);
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extern intptr_t rc_mouse(const char *desc, intptr_t *);
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extern intptr_t rc_ctv(const char *value, intptr_t *);
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extern intptr_t rc_scaling(const char *value, intptr_t *);
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extern intptr_t rc_emu_z80(const char *value, intptr_t *);
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extern intptr_t rc_emu_m68k(const char *value, intptr_t *);
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extern intptr_t rc_region(const char *value, intptr_t *);
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extern intptr_t rc_string(const char *value, intptr_t *);
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extern intptr_t rc_rom_path(const char *value, intptr_t *);
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extern intptr_t rc_bind(const char *value, intptr_t *variable);
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extern intptr_t rc_soundrate(const char *value, intptr_t *);
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extern struct rc_str *rc_str_list;
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extern void rc_str_cleanup(void);
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struct rc_field {
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const char *fieldname;
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intptr_t (*parser)(const char *, intptr_t *);
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intptr_t *variable;
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};
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#define RC_BIND_PREFIX "bind_"
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#define RC_BIND_ITEMS 8
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enum rc_binding_type {
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RCBK, // Keysym.
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RCBJ, // Joypad.
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RCBM, // Mouse.
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RCB_NUM
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};
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struct rc_binding_item {
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unsigned int assigned:1; // Whether item contains valid data.
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enum rc_binding_type type:4; // See enum rc_binding_type.
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intptr_t code; // keysym, joypad or mouse code.
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};
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struct rc_binding {
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struct rc_binding *prev;
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struct rc_binding *next;
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struct rc_binding_item item[RC_BIND_ITEMS];
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char *rc; // RC name for this binding.
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// struct rc_field.variable points to the following member.
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char *to; // Related action.
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// Internal storage, don't touch.
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// char rc[];
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};
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#define RC_FIELDS_SIZE 1024
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extern struct rc_field rc_fields[RC_FIELDS_SIZE];
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extern struct rc_binding rc_binding_head;
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extern struct rc_field *rc_binding_add(const char *rc, const char *to);
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extern void rc_binding_del(struct rc_field *rcf);
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struct rc_keysym {
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const char *name;
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long keysym;
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};
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extern struct rc_keysym rc_keysyms[];
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#endif // RC_H_
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