1197 lines
41 KiB
C
1197 lines
41 KiB
C
#include <SDL2/SDL.h>
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#include <OpenDialog/open_dialog.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include "utils.h"
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#include "gui.h"
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#include "font.h"
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static const SDL_Color gui_palette[4] = {{8, 24, 16,}, {57, 97, 57,}, {132, 165, 99}, {198, 222, 140}};
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static uint32_t gui_palette_native[4];
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SDL_Window *window = NULL;
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SDL_Renderer *renderer = NULL;
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SDL_Texture *texture = NULL;
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SDL_PixelFormat *pixel_format = NULL;
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enum pending_command pending_command;
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unsigned command_parameter;
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#ifdef __APPLE__
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#define MODIFIER_NAME " " CMD_STRING
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#else
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#define MODIFIER_NAME CTRL_STRING
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#endif
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shader_t shader;
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static SDL_Rect rect;
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static unsigned factor;
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void render_texture(void *pixels, void *previous)
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{
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if (renderer) {
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if (pixels) {
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SDL_UpdateTexture(texture, NULL, pixels, 160 * sizeof (uint32_t));
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}
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SDL_RenderClear(renderer);
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SDL_RenderCopy(renderer, texture, NULL, NULL);
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SDL_RenderPresent(renderer);
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}
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else {
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static void *_pixels = NULL;
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if (pixels) {
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_pixels = pixels;
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}
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glClearColor(0, 0, 0, 1);
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glClear(GL_COLOR_BUFFER_BIT);
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render_bitmap_with_shader(&shader, _pixels, previous,
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GB_get_screen_width(&gb), GB_get_screen_height(&gb),
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rect.x, rect.y, rect.w, rect.h);
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SDL_GL_SwapWindow(window);
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}
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}
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configuration_t configuration =
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{
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.keys = {
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SDL_SCANCODE_RIGHT,
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SDL_SCANCODE_LEFT,
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SDL_SCANCODE_UP,
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SDL_SCANCODE_DOWN,
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SDL_SCANCODE_X,
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SDL_SCANCODE_Z,
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SDL_SCANCODE_BACKSPACE,
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SDL_SCANCODE_RETURN,
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SDL_SCANCODE_SPACE
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},
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.keys_2 = {
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SDL_SCANCODE_TAB,
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SDL_SCANCODE_LSHIFT,
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},
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.joypad_configuration = {
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13,
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14,
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11,
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12,
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0,
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1,
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9,
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8,
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10,
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4,
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-1,
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5,
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},
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.joypad_axises = {
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0,
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1,
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},
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.color_correction_mode = GB_COLOR_CORRECTION_EMULATE_HARDWARE,
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.highpass_mode = GB_HIGHPASS_ACCURATE,
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.scaling_mode = GB_SDL_SCALING_INTEGER_FACTOR,
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.blend_frames = true,
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.rewind_length = 60 * 2,
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.model = MODEL_CGB
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};
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static const char *help[] ={
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"Drop a ROM to play.\n"
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"\n"
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"Keyboard Shortcuts:\n"
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" Open Menu: Escape\n"
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" Open ROM: " MODIFIER_NAME "+O\n"
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" Reset: " MODIFIER_NAME "+R\n"
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" Pause: " MODIFIER_NAME "+P\n"
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" Save state: " MODIFIER_NAME "+(0-9)\n"
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" Load state: " MODIFIER_NAME "+" SHIFT_STRING "+(0-9)\n"
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" Toggle Fullscreen " MODIFIER_NAME "+F\n"
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#ifdef __APPLE__
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" Mute/Unmute: " MODIFIER_NAME "+" SHIFT_STRING "+M\n"
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#else
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" Mute/Unmute: " MODIFIER_NAME "+M\n"
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#endif
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" Break Debugger: " CTRL_STRING "+C"
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};
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void update_viewport(void)
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{
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int win_width, win_height;
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SDL_GL_GetDrawableSize(window, &win_width, &win_height);
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int logical_width, logical_height;
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SDL_GetWindowSize(window, &logical_width, &logical_height);
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factor = win_width / logical_width;
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double x_factor = win_width / (double) GB_get_screen_width(&gb);
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double y_factor = win_height / (double) GB_get_screen_height(&gb);
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if (configuration.scaling_mode == GB_SDL_SCALING_INTEGER_FACTOR) {
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x_factor = (int)(x_factor);
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y_factor = (int)(y_factor);
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}
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if (configuration.scaling_mode != GB_SDL_SCALING_ENTIRE_WINDOW) {
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if (x_factor > y_factor) {
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x_factor = y_factor;
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}
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else {
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y_factor = x_factor;
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}
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}
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unsigned new_width = x_factor * GB_get_screen_width(&gb);
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unsigned new_height = y_factor * GB_get_screen_height(&gb);
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rect = (SDL_Rect){(win_width - new_width) / 2, (win_height - new_height) /2,
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new_width, new_height};
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if (renderer) {
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SDL_RenderSetViewport(renderer, &rect);
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}
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else {
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glViewport(rect.x, rect.y, rect.w, rect.h);
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}
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}
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/* Does NOT check for bounds! */
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static void draw_char(uint32_t *buffer, unsigned width, unsigned height, unsigned char ch, uint32_t color)
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{
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if (ch < ' ' || ch > font_max) {
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ch = '?';
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}
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uint8_t *data = &font[(ch - ' ') * GLYPH_WIDTH * GLYPH_HEIGHT];
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for (unsigned y = GLYPH_HEIGHT; y--;) {
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for (unsigned x = GLYPH_WIDTH; x--;) {
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if (*(data++)) {
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(*buffer) = color;
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}
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buffer++;
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}
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buffer += width - GLYPH_WIDTH;
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}
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}
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static void draw_unbordered_text(uint32_t *buffer, unsigned width, unsigned height, unsigned x, unsigned y, const char *string, uint32_t color)
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{
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unsigned orig_x = x;
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while (*string) {
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if (*string == '\n') {
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x = orig_x;
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y += GLYPH_HEIGHT + 4;
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string++;
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continue;
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}
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if (x > width - GLYPH_WIDTH || y == 0 || y > height - GLYPH_HEIGHT) {
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break;
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}
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draw_char(&buffer[x + width * y], width, height, *string, color);
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x += GLYPH_WIDTH;
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string++;
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}
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}
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static void draw_text(uint32_t *buffer, unsigned width, unsigned height, unsigned x, unsigned y, const char *string, uint32_t color, uint32_t border)
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{
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draw_unbordered_text(buffer, width, height, x - 1, y, string, border);
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draw_unbordered_text(buffer, width, height, x + 1, y, string, border);
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draw_unbordered_text(buffer, width, height, x, y - 1, string, border);
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draw_unbordered_text(buffer, width, height, x, y + 1, string, border);
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draw_unbordered_text(buffer, width, height, x, y, string, color);
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}
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enum decoration {
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DECORATION_NONE,
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DECORATION_SELECTION,
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DECORATION_ARROWS,
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};
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static void draw_text_centered(uint32_t *buffer, unsigned width, unsigned height, unsigned y, const char *string, uint32_t color, uint32_t border, enum decoration decoration)
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{
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unsigned x = width / 2 - (unsigned) strlen(string) * GLYPH_WIDTH / 2;
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draw_text(buffer, width, height, x, y, string, color, border);
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switch (decoration) {
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case DECORATION_SELECTION:
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draw_text(buffer, width, height, x - GLYPH_WIDTH, y, SELECTION_STRING, color, border);
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break;
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case DECORATION_ARROWS:
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draw_text(buffer, width, height, x - GLYPH_WIDTH, y, LEFT_ARROW_STRING, color, border);
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draw_text(buffer, width, height, width - x, y, RIGHT_ARROW_STRING, color, border);
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break;
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case DECORATION_NONE:
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break;
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}
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}
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struct menu_item {
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const char *string;
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void (*handler)(unsigned);
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const char *(*value_getter)(unsigned);
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void (*backwards_handler)(unsigned);
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};
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static const struct menu_item *current_menu = NULL;
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static const struct menu_item *root_menu = NULL;
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static unsigned current_selection = 0;
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static enum {
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SHOWING_DROP_MESSAGE,
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SHOWING_MENU,
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SHOWING_HELP,
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WAITING_FOR_KEY,
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WAITING_FOR_JBUTTON,
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} gui_state;
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static unsigned joypad_configuration_progress = 0;
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static uint8_t joypad_axis_temp;
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static void item_exit(unsigned index)
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{
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pending_command = GB_SDL_QUIT_COMMAND;
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}
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static unsigned current_help_page = 0;
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static void item_help(unsigned index)
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{
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current_help_page = 0;
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gui_state = SHOWING_HELP;
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}
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static void enter_emulation_menu(unsigned index);
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static void enter_graphics_menu(unsigned index);
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static void enter_controls_menu(unsigned index);
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static void enter_joypad_menu(unsigned index);
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static void enter_audio_menu(unsigned index);
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extern void set_filename(const char *new_filename, typeof(free) *new_free_function);
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static void open_rom(unsigned index)
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{
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char *filename = do_open_rom_dialog();
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if (filename) {
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set_filename(filename, free);
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pending_command = GB_SDL_NEW_FILE_COMMAND;
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}
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}
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static const struct menu_item paused_menu[] = {
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{"Resume", NULL},
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{"Open ROM", open_rom},
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{"Emulation Options", enter_emulation_menu},
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{"Graphic Options", enter_graphics_menu},
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{"Audio Options", enter_audio_menu},
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{"Keyboard", enter_controls_menu},
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{"Joypad", enter_joypad_menu},
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{"Help", item_help},
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{"Quit SameBoy", item_exit},
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{NULL,}
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};
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static const struct menu_item *const nonpaused_menu = &paused_menu[1];
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static void return_to_root_menu(unsigned index)
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{
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current_menu = root_menu;
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current_selection = 0;
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}
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static void cycle_model(unsigned index)
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{
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configuration.model++;
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if (configuration.model == MODEL_MAX) {
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configuration.model = 0;
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}
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pending_command = GB_SDL_RESET_COMMAND;
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}
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static void cycle_model_backwards(unsigned index)
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{
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if (configuration.model == 0) {
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configuration.model = MODEL_MAX;
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}
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configuration.model--;
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pending_command = GB_SDL_RESET_COMMAND;
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}
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const char *current_model_string(unsigned index)
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{
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return (const char *[]){"Game Boy", "Game Boy Color", "Game Boy Advance" , "Super Game Boy"}
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[configuration.model];
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}
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static void cycle_sgb_revision(unsigned index)
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{
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configuration.sgb_revision++;
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if (configuration.sgb_revision == SGB_MAX) {
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configuration.sgb_revision = 0;
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}
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pending_command = GB_SDL_RESET_COMMAND;
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}
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static void cycle_sgb_revision_backwards(unsigned index)
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{
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if (configuration.sgb_revision == 0) {
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configuration.sgb_revision = SGB_MAX;
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}
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configuration.sgb_revision--;
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pending_command = GB_SDL_RESET_COMMAND;
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}
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const char *current_sgb_revision_string(unsigned index)
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{
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return (const char *[]){"Super Game Boy NTSC", "Super Game Boy PAL", "Super Game Boy 2"}
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[configuration.sgb_revision];
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}
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static const uint32_t rewind_lengths[] = {0, 10, 30, 60, 60 * 2, 60 * 5, 60 * 10};
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static const char *rewind_strings[] = {"Disabled",
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"10 Seconds",
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"30 Seconds",
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"1 Minute",
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"2 Minutes",
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"5 Minutes",
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"10 Minutes",
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};
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static void cycle_rewind(unsigned index)
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{
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for (unsigned i = 0; i < sizeof(rewind_lengths) / sizeof(rewind_lengths[0]) - 1; i++) {
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if (configuration.rewind_length == rewind_lengths[i]) {
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configuration.rewind_length = rewind_lengths[i + 1];
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GB_set_rewind_length(&gb, configuration.rewind_length);
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return;
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}
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}
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configuration.rewind_length = rewind_lengths[0];
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GB_set_rewind_length(&gb, configuration.rewind_length);
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}
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static void cycle_rewind_backwards(unsigned index)
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{
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for (unsigned i = 1; i < sizeof(rewind_lengths) / sizeof(rewind_lengths[0]); i++) {
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if (configuration.rewind_length == rewind_lengths[i]) {
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configuration.rewind_length = rewind_lengths[i - 1];
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GB_set_rewind_length(&gb, configuration.rewind_length);
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return;
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}
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}
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configuration.rewind_length = rewind_lengths[sizeof(rewind_lengths) / sizeof(rewind_lengths[0]) - 1];
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GB_set_rewind_length(&gb, configuration.rewind_length);
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}
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const char *current_rewind_string(unsigned index)
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{
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for (unsigned i = 0; i < sizeof(rewind_lengths) / sizeof(rewind_lengths[0]); i++) {
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if (configuration.rewind_length == rewind_lengths[i]) {
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return rewind_strings[i];
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}
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}
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return "Custom";
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}
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static const struct menu_item emulation_menu[] = {
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{"Emulated Model:", cycle_model, current_model_string, cycle_model_backwards},
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{"SGB Revision:", cycle_sgb_revision, current_sgb_revision_string, cycle_sgb_revision_backwards},
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{"Rewind Length:", cycle_rewind, current_rewind_string, cycle_rewind_backwards},
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{"Back", return_to_root_menu},
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{NULL,}
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};
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static void enter_emulation_menu(unsigned index)
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{
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current_menu = emulation_menu;
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current_selection = 0;
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}
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const char *current_scaling_mode(unsigned index)
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{
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return (const char *[]){"Fill Entire Window", "Retain Aspect Ratio", "Retain Integer Factor"}
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[configuration.scaling_mode];
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}
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const char *current_color_correction_mode(unsigned index)
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{
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return (const char *[]){"Disabled", "Correct Color Curves", "Emulate Hardware", "Preserve Brightness"}
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[configuration.color_correction_mode];
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}
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void cycle_scaling(unsigned index)
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{
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configuration.scaling_mode++;
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if (configuration.scaling_mode == GB_SDL_SCALING_MAX) {
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configuration.scaling_mode = 0;
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}
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update_viewport();
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render_texture(NULL, NULL);
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}
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void cycle_scaling_backwards(unsigned index)
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{
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if (configuration.scaling_mode == 0) {
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configuration.scaling_mode = GB_SDL_SCALING_MAX - 1;
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}
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else {
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configuration.scaling_mode--;
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}
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update_viewport();
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render_texture(NULL, NULL);
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}
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static void cycle_color_correction(unsigned index)
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{
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if (configuration.color_correction_mode == GB_COLOR_CORRECTION_PRESERVE_BRIGHTNESS) {
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configuration.color_correction_mode = GB_COLOR_CORRECTION_DISABLED;
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}
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else {
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configuration.color_correction_mode++;
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}
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}
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static void cycle_color_correction_backwards(unsigned index)
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{
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if (configuration.color_correction_mode == GB_COLOR_CORRECTION_DISABLED) {
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configuration.color_correction_mode = GB_COLOR_CORRECTION_PRESERVE_BRIGHTNESS;
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}
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else {
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configuration.color_correction_mode--;
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}
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}
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struct shader_name {
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const char *file_name;
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const char *display_name;
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} shaders[] =
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{
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{"NearestNeighbor", "Nearest Neighbor"},
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{"Bilinear", "Bilinear"},
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{"SmoothBilinear", "Smooth Bilinear"},
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{"LCD", "LCD Display"},
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{"CRT", "CRT Display"},
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{"Scale2x", "Scale2x"},
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{"Scale4x", "Scale4x"},
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{"AAScale2x", "Anti-aliased Scale2x"},
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{"AAScale4x", "Anti-aliased Scale4x"},
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{"HQ2x", "HQ2x"},
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{"OmniScale", "OmniScale"},
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{"OmniScaleLegacy", "OmniScale Legacy"},
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{"AAOmniScaleLegacy", "AA OmniScale Legacy"},
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};
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static void cycle_filter(unsigned index)
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{
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unsigned i = 0;
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for (; i < sizeof(shaders) / sizeof(shaders[0]); i++) {
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if (strcmp(shaders[i].file_name, configuration.filter) == 0) {
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break;
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}
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}
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|
|
|
|
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i += 1;
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if (i >= sizeof(shaders) / sizeof(shaders[0])) {
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i -= sizeof(shaders) / sizeof(shaders[0]);
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}
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strcpy(configuration.filter, shaders[i].file_name);
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free_shader(&shader);
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if (!init_shader_with_name(&shader, configuration.filter)) {
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init_shader_with_name(&shader, "NearestNeighbor");
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}
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}
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|
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static void cycle_filter_backwards(unsigned index)
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{
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unsigned i = 0;
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for (; i < sizeof(shaders) / sizeof(shaders[0]); i++) {
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if (strcmp(shaders[i].file_name, configuration.filter) == 0) {
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break;
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}
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}
|
|
|
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i -= 1;
|
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if (i >= sizeof(shaders) / sizeof(shaders[0])) {
|
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i = sizeof(shaders) / sizeof(shaders[0]) - 1;
|
|
}
|
|
|
|
strcpy(configuration.filter, shaders[i].file_name);
|
|
free_shader(&shader);
|
|
if (!init_shader_with_name(&shader, configuration.filter)) {
|
|
init_shader_with_name(&shader, "NearestNeighbor");
|
|
}
|
|
|
|
}
|
|
const char *current_filter_name(unsigned index)
|
|
{
|
|
unsigned i = 0;
|
|
for (; i < sizeof(shaders) / sizeof(shaders[0]); i++) {
|
|
if (strcmp(shaders[i].file_name, configuration.filter) == 0) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == sizeof(shaders) / sizeof(shaders[0])) {
|
|
i = 0;
|
|
}
|
|
|
|
return shaders[i].display_name;
|
|
}
|
|
|
|
static void toggle_blend_frames(unsigned index)
|
|
{
|
|
configuration.blend_frames ^= true;
|
|
}
|
|
|
|
const char *blend_frames_string(unsigned index)
|
|
{
|
|
return configuration.blend_frames? "Enabled" : "Disabled";
|
|
}
|
|
|
|
static const struct menu_item graphics_menu[] = {
|
|
{"Scaling Mode:", cycle_scaling, current_scaling_mode, cycle_scaling_backwards},
|
|
{"Scaling Filter:", cycle_filter, current_filter_name, cycle_filter_backwards},
|
|
{"Color Correction:", cycle_color_correction, current_color_correction_mode, cycle_color_correction_backwards},
|
|
{"Blend Frames:", toggle_blend_frames, blend_frames_string, toggle_blend_frames},
|
|
{"Back", return_to_root_menu},
|
|
{NULL,}
|
|
};
|
|
|
|
static void enter_graphics_menu(unsigned index)
|
|
{
|
|
current_menu = graphics_menu;
|
|
current_selection = 0;
|
|
}
|
|
|
|
const char *highpass_filter_string(unsigned index)
|
|
{
|
|
return (const char *[]){"None (Keep DC Offset)", "Accurate", "Preserve Waveform"}
|
|
[configuration.highpass_mode];
|
|
}
|
|
|
|
void cycle_highpass_filter(unsigned index)
|
|
{
|
|
configuration.highpass_mode++;
|
|
if (configuration.highpass_mode == GB_HIGHPASS_MAX) {
|
|
configuration.highpass_mode = 0;
|
|
}
|
|
}
|
|
|
|
void cycle_highpass_filter_backwards(unsigned index)
|
|
{
|
|
if (configuration.highpass_mode == 0) {
|
|
configuration.highpass_mode = GB_HIGHPASS_MAX - 1;
|
|
}
|
|
else {
|
|
configuration.highpass_mode--;
|
|
}
|
|
}
|
|
|
|
static const struct menu_item audio_menu[] = {
|
|
{"Highpass Filter:", cycle_highpass_filter, highpass_filter_string, cycle_highpass_filter_backwards},
|
|
{"Back", return_to_root_menu},
|
|
{NULL,}
|
|
};
|
|
|
|
static void enter_audio_menu(unsigned index)
|
|
{
|
|
current_menu = audio_menu;
|
|
current_selection = 0;
|
|
}
|
|
|
|
static void modify_key(unsigned index)
|
|
{
|
|
gui_state = WAITING_FOR_KEY;
|
|
}
|
|
|
|
static void enter_controls_menu_2(unsigned index);
|
|
static const char *key_name(unsigned index);
|
|
|
|
static const struct menu_item controls_menu[] = {
|
|
{"Right:", modify_key, key_name,},
|
|
{"Left:", modify_key, key_name,},
|
|
{"Up:", modify_key, key_name,},
|
|
{"Down:", modify_key, key_name,},
|
|
{"A:", modify_key, key_name,},
|
|
{"B:", modify_key, key_name,},
|
|
{"Select:", modify_key, key_name,},
|
|
{"Start:", modify_key, key_name,},
|
|
{"Next Page", enter_controls_menu_2},
|
|
{"Back", return_to_root_menu},
|
|
{NULL,}
|
|
};
|
|
|
|
static const struct menu_item controls_menu_2[] = {
|
|
{"Turbo:", modify_key, key_name,},
|
|
{"Rewind:", modify_key, key_name,},
|
|
{"Slow-Motion:", modify_key, key_name,},
|
|
{"Back", return_to_root_menu},
|
|
{NULL,}
|
|
};
|
|
|
|
static const char *key_name(unsigned index)
|
|
{
|
|
if (current_menu == controls_menu_2) {
|
|
if (index == 0) {
|
|
return SDL_GetScancodeName(configuration.keys[8]);
|
|
}
|
|
return SDL_GetScancodeName(configuration.keys_2[index - 1]);
|
|
}
|
|
return SDL_GetScancodeName(configuration.keys[index]);
|
|
}
|
|
|
|
static void enter_controls_menu(unsigned index)
|
|
{
|
|
current_menu = controls_menu;
|
|
current_selection = 0;
|
|
}
|
|
|
|
static void enter_controls_menu_2(unsigned index)
|
|
{
|
|
current_menu = controls_menu_2;
|
|
current_selection = 0;
|
|
}
|
|
|
|
static unsigned joypad_index = 0;
|
|
static SDL_Joystick *joystick = NULL;
|
|
static SDL_GameController *controller = NULL;
|
|
|
|
const char *current_joypad_name(unsigned index)
|
|
{
|
|
static char name[23] = {0,};
|
|
const char *orig_name = joystick? SDL_JoystickName(joystick) : NULL;
|
|
if (!orig_name) return "Not Found";
|
|
unsigned i = 0;
|
|
|
|
// SDL returns a name with repeated and trailing spaces
|
|
while (*orig_name && i < sizeof(name) - 2) {
|
|
if (orig_name[0] != ' ' || orig_name[1] != ' ') {
|
|
name[i++] = *orig_name;
|
|
}
|
|
orig_name++;
|
|
}
|
|
if (i && name[i - 1] == ' ') {
|
|
i--;
|
|
}
|
|
name[i] = 0;
|
|
|
|
return name;
|
|
}
|
|
|
|
static void cycle_joypads(unsigned index)
|
|
{
|
|
joypad_index++;
|
|
if (joypad_index >= SDL_NumJoysticks()) {
|
|
joypad_index = 0;
|
|
}
|
|
if (controller) {
|
|
SDL_GameControllerClose(controller);
|
|
controller = NULL;
|
|
}
|
|
else if (joystick) {
|
|
SDL_JoystickClose(joystick);
|
|
joystick = NULL;
|
|
}
|
|
if ((controller = SDL_GameControllerOpen(joypad_index))){
|
|
joystick = SDL_GameControllerGetJoystick(controller);
|
|
}
|
|
else {
|
|
joystick = SDL_JoystickOpen(joypad_index);
|
|
}
|
|
}
|
|
|
|
static void cycle_joypads_backwards(unsigned index)
|
|
{
|
|
joypad_index++;
|
|
if (joypad_index >= SDL_NumJoysticks()) {
|
|
joypad_index = SDL_NumJoysticks() - 1;
|
|
}
|
|
if (controller) {
|
|
SDL_GameControllerClose(controller);
|
|
controller = NULL;
|
|
}
|
|
else if (joystick) {
|
|
SDL_JoystickClose(joystick);
|
|
joystick = NULL;
|
|
}
|
|
if ((controller = SDL_GameControllerOpen(joypad_index))){
|
|
joystick = SDL_GameControllerGetJoystick(controller);
|
|
}
|
|
else {
|
|
joystick = SDL_JoystickOpen(joypad_index);
|
|
}
|
|
}
|
|
|
|
static void detect_joypad_layout(unsigned index)
|
|
{
|
|
gui_state = WAITING_FOR_JBUTTON;
|
|
joypad_configuration_progress = 0;
|
|
joypad_axis_temp = -1;
|
|
}
|
|
|
|
static const struct menu_item joypad_menu[] = {
|
|
{"Joypad:", cycle_joypads, current_joypad_name, cycle_joypads_backwards},
|
|
{"Configure layout", detect_joypad_layout},
|
|
{"Back", return_to_root_menu},
|
|
{NULL,}
|
|
};
|
|
|
|
static void enter_joypad_menu(unsigned index)
|
|
{
|
|
current_menu = joypad_menu;
|
|
current_selection = 0;
|
|
}
|
|
|
|
joypad_button_t get_joypad_button(uint8_t physical_button)
|
|
{
|
|
for (unsigned i = 0; i < JOYPAD_BUTTONS_MAX; i++) {
|
|
if (configuration.joypad_configuration[i] == physical_button) {
|
|
return i;
|
|
}
|
|
}
|
|
return JOYPAD_BUTTONS_MAX;
|
|
}
|
|
|
|
joypad_axis_t get_joypad_axis(uint8_t physical_axis)
|
|
{
|
|
for (unsigned i = 0; i < JOYPAD_AXISES_MAX; i++) {
|
|
if (configuration.joypad_axises[i] == physical_axis) {
|
|
return i;
|
|
}
|
|
}
|
|
return JOYPAD_AXISES_MAX;
|
|
}
|
|
|
|
|
|
void connect_joypad(void)
|
|
{
|
|
if (joystick && !SDL_NumJoysticks()) {
|
|
if (controller) {
|
|
SDL_GameControllerClose(controller);
|
|
controller = NULL;
|
|
joystick = NULL;
|
|
}
|
|
else {
|
|
SDL_JoystickClose(joystick);
|
|
joystick = NULL;
|
|
}
|
|
}
|
|
else if (!joystick && SDL_NumJoysticks()) {
|
|
if ((controller = SDL_GameControllerOpen(0))){
|
|
joystick = SDL_GameControllerGetJoystick(controller);
|
|
}
|
|
else {
|
|
joystick = SDL_JoystickOpen(0);
|
|
}
|
|
}
|
|
}
|
|
|
|
void run_gui(bool is_running)
|
|
{
|
|
connect_joypad();
|
|
|
|
/* Draw the background screen */
|
|
static SDL_Surface *converted_background = NULL;
|
|
if (!converted_background) {
|
|
SDL_Surface *background = SDL_LoadBMP(resource_path("background.bmp"));
|
|
SDL_SetPaletteColors(background->format->palette, gui_palette, 0, 4);
|
|
converted_background = SDL_ConvertSurface(background, pixel_format, 0);
|
|
SDL_LockSurface(converted_background);
|
|
SDL_FreeSurface(background);
|
|
|
|
for (unsigned i = 4; i--; ) {
|
|
gui_palette_native[i] = SDL_MapRGB(pixel_format, gui_palette[i].r, gui_palette[i].g, gui_palette[i].b);
|
|
}
|
|
}
|
|
|
|
unsigned width = GB_get_screen_width(&gb);
|
|
unsigned height = GB_get_screen_height(&gb);
|
|
unsigned x_offset = (width - 160) / 2;
|
|
unsigned y_offset = (height - 144) / 2;
|
|
uint32_t pixels[width * height];
|
|
|
|
if (width != 160 || height != 144) {
|
|
for (unsigned i = 0; i < width * height; i++) {
|
|
pixels[i] = gui_palette_native[0];
|
|
}
|
|
}
|
|
|
|
SDL_Event event = {0,};
|
|
gui_state = is_running? SHOWING_MENU : SHOWING_DROP_MESSAGE;
|
|
bool should_render = true;
|
|
current_menu = root_menu = is_running? paused_menu : nonpaused_menu;
|
|
current_selection = 0;
|
|
do {
|
|
/* Convert Joypad and mouse events (We only generate down events) */
|
|
if (gui_state != WAITING_FOR_KEY && gui_state != WAITING_FOR_JBUTTON) {
|
|
switch (event.type) {
|
|
case SDL_WINDOWEVENT:
|
|
should_render = true;
|
|
break;
|
|
case SDL_MOUSEBUTTONDOWN:
|
|
if (gui_state == SHOWING_HELP) {
|
|
event.type = SDL_KEYDOWN;
|
|
event.key.keysym.scancode = SDL_SCANCODE_RETURN;
|
|
}
|
|
else if (gui_state == SHOWING_DROP_MESSAGE) {
|
|
event.type = SDL_KEYDOWN;
|
|
event.key.keysym.scancode = SDL_SCANCODE_ESCAPE;
|
|
}
|
|
else if (gui_state == SHOWING_MENU) {
|
|
signed x = (event.button.x - rect.x / factor) * width / (rect.w / factor) - x_offset;
|
|
signed y = (event.button.y - rect.y / factor) * height / (rect.h / factor) - y_offset;
|
|
|
|
if (strcmp("CRT", configuration.filter) == 0) {
|
|
y = y * 8 / 7;
|
|
y -= 144 / 16;
|
|
}
|
|
|
|
if (x < 0 || x >= 160 || y < 24) {
|
|
continue;
|
|
}
|
|
|
|
unsigned item_y = 24;
|
|
unsigned index = 0;
|
|
for (const struct menu_item *item = current_menu; item->string; item++, index++) {
|
|
if (!item->backwards_handler) {
|
|
if (y >= item_y && y < item_y + 12) {
|
|
break;
|
|
}
|
|
item_y += 12;
|
|
}
|
|
else {
|
|
if (y >= item_y && y < item_y + 24) {
|
|
break;
|
|
}
|
|
item_y += 24;
|
|
}
|
|
}
|
|
|
|
if (!current_menu[index].string) continue;
|
|
|
|
current_selection = index;
|
|
event.type = SDL_KEYDOWN;
|
|
if (current_menu[index].backwards_handler) {
|
|
event.key.keysym.scancode = x < 80? SDL_SCANCODE_LEFT : SDL_SCANCODE_RIGHT;
|
|
}
|
|
else {
|
|
event.key.keysym.scancode = SDL_SCANCODE_RETURN;
|
|
}
|
|
|
|
}
|
|
break;
|
|
case SDL_JOYBUTTONDOWN:
|
|
event.type = SDL_KEYDOWN;
|
|
joypad_button_t button = get_joypad_button(event.jbutton.button);
|
|
if (button == JOYPAD_BUTTON_A) {
|
|
event.key.keysym.scancode = SDL_SCANCODE_RETURN;
|
|
}
|
|
else if (button == JOYPAD_BUTTON_MENU) {
|
|
event.key.keysym.scancode = SDL_SCANCODE_ESCAPE;
|
|
}
|
|
else if (button == JOYPAD_BUTTON_UP) event.key.keysym.scancode = SDL_SCANCODE_UP;
|
|
else if (button == JOYPAD_BUTTON_DOWN) event.key.keysym.scancode = SDL_SCANCODE_DOWN;
|
|
else if (button == JOYPAD_BUTTON_LEFT) event.key.keysym.scancode = SDL_SCANCODE_LEFT;
|
|
else if (button == JOYPAD_BUTTON_RIGHT) event.key.keysym.scancode = SDL_SCANCODE_RIGHT;
|
|
break;
|
|
|
|
case SDL_JOYHATMOTION: {
|
|
uint8_t value = event.jhat.value;
|
|
if (value != 0) {
|
|
uint32_t scancode =
|
|
value == SDL_HAT_UP ? SDL_SCANCODE_UP
|
|
: value == SDL_HAT_DOWN ? SDL_SCANCODE_DOWN
|
|
: value == SDL_HAT_LEFT ? SDL_SCANCODE_LEFT
|
|
: value == SDL_HAT_RIGHT ? SDL_SCANCODE_RIGHT
|
|
: 0;
|
|
|
|
if (scancode != 0) {
|
|
event.type = SDL_KEYDOWN;
|
|
event.key.keysym.scancode = scancode;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SDL_JOYAXISMOTION: {
|
|
static bool axis_active[2] = {false, false};
|
|
joypad_axis_t axis = get_joypad_axis(event.jaxis.axis);
|
|
if (axis == JOYPAD_AXISES_X) {
|
|
if (!axis_active[0] && event.jaxis.value > JOYSTICK_HIGH) {
|
|
axis_active[0] = true;
|
|
event.type = SDL_KEYDOWN;
|
|
event.key.keysym.scancode = SDL_SCANCODE_RIGHT;
|
|
}
|
|
else if (!axis_active[0] && event.jaxis.value < -JOYSTICK_HIGH) {
|
|
axis_active[0] = true;
|
|
event.type = SDL_KEYDOWN;
|
|
event.key.keysym.scancode = SDL_SCANCODE_LEFT;
|
|
|
|
}
|
|
else if (axis_active[0] && event.jaxis.value < JOYSTICK_LOW && event.jaxis.value > -JOYSTICK_LOW) {
|
|
axis_active[0] = false;
|
|
}
|
|
}
|
|
else if (axis == JOYPAD_AXISES_Y) {
|
|
if (!axis_active[1] && event.jaxis.value > JOYSTICK_HIGH) {
|
|
axis_active[1] = true;
|
|
event.type = SDL_KEYDOWN;
|
|
event.key.keysym.scancode = SDL_SCANCODE_DOWN;
|
|
}
|
|
else if (!axis_active[1] && event.jaxis.value < -JOYSTICK_HIGH) {
|
|
axis_active[1] = true;
|
|
event.type = SDL_KEYDOWN;
|
|
event.key.keysym.scancode = SDL_SCANCODE_UP;
|
|
}
|
|
else if (axis_active[1] && event.jaxis.value < JOYSTICK_LOW && event.jaxis.value > -JOYSTICK_LOW) {
|
|
axis_active[1] = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
switch (event.type) {
|
|
case SDL_QUIT: {
|
|
if (!is_running) {
|
|
exit(0);
|
|
}
|
|
else {
|
|
pending_command = GB_SDL_QUIT_COMMAND;
|
|
return;
|
|
}
|
|
|
|
}
|
|
case SDL_WINDOWEVENT: {
|
|
if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
|
|
update_viewport();
|
|
render_texture(NULL, NULL);
|
|
}
|
|
break;
|
|
}
|
|
case SDL_DROPFILE: {
|
|
set_filename(event.drop.file, SDL_free);
|
|
pending_command = GB_SDL_NEW_FILE_COMMAND;
|
|
return;
|
|
}
|
|
case SDL_JOYBUTTONDOWN:
|
|
{
|
|
if (gui_state == WAITING_FOR_JBUTTON && joypad_configuration_progress != JOYPAD_BUTTONS_MAX) {
|
|
should_render = true;
|
|
configuration.joypad_configuration[joypad_configuration_progress++] = event.jbutton.button;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SDL_JOYAXISMOTION: {
|
|
if (gui_state == WAITING_FOR_JBUTTON &&
|
|
joypad_configuration_progress == JOYPAD_BUTTONS_MAX &&
|
|
abs(event.jaxis.value) >= 0x4000) {
|
|
if (joypad_axis_temp == (uint8_t)-1) {
|
|
joypad_axis_temp = event.jaxis.axis;
|
|
}
|
|
else if (joypad_axis_temp != event.jaxis.axis) {
|
|
if (joypad_axis_temp < event.jaxis.axis) {
|
|
configuration.joypad_axises[JOYPAD_AXISES_X] = joypad_axis_temp;
|
|
configuration.joypad_axises[JOYPAD_AXISES_Y] = event.jaxis.axis;
|
|
}
|
|
else {
|
|
configuration.joypad_axises[JOYPAD_AXISES_Y] = joypad_axis_temp;
|
|
configuration.joypad_axises[JOYPAD_AXISES_X] = event.jaxis.axis;
|
|
}
|
|
|
|
gui_state = SHOWING_MENU;
|
|
should_render = true;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SDL_KEYDOWN:
|
|
if (event.key.keysym.scancode == SDL_SCANCODE_O) {
|
|
if (event.key.keysym.mod & MODIFIER) {
|
|
char *filename = do_open_rom_dialog();
|
|
if (filename) {
|
|
set_filename(filename, free);
|
|
pending_command = GB_SDL_NEW_FILE_COMMAND;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
else if (event.key.keysym.scancode == SDL_SCANCODE_RETURN && gui_state == WAITING_FOR_JBUTTON) {
|
|
should_render = true;
|
|
if (joypad_configuration_progress != JOYPAD_BUTTONS_MAX) {
|
|
configuration.joypad_configuration[joypad_configuration_progress] = -1;
|
|
}
|
|
else {
|
|
configuration.joypad_axises[0] = -1;
|
|
configuration.joypad_axises[1] = -1;
|
|
}
|
|
joypad_configuration_progress++;
|
|
|
|
if (joypad_configuration_progress > JOYPAD_BUTTONS_MAX) {
|
|
gui_state = SHOWING_MENU;
|
|
}
|
|
}
|
|
else if (event.key.keysym.scancode == SDL_SCANCODE_ESCAPE) {
|
|
if (is_running) {
|
|
return;
|
|
}
|
|
else {
|
|
if (gui_state == SHOWING_DROP_MESSAGE) {
|
|
gui_state = SHOWING_MENU;
|
|
}
|
|
else if (gui_state == SHOWING_MENU) {
|
|
gui_state = SHOWING_DROP_MESSAGE;
|
|
}
|
|
current_selection = 0;
|
|
current_menu = root_menu;
|
|
should_render = true;
|
|
}
|
|
}
|
|
else if (gui_state == SHOWING_MENU) {
|
|
if (event.key.keysym.scancode == SDL_SCANCODE_DOWN && current_menu[current_selection + 1].string) {
|
|
current_selection++;
|
|
should_render = true;
|
|
}
|
|
else if (event.key.keysym.scancode == SDL_SCANCODE_UP && current_selection) {
|
|
current_selection--;
|
|
should_render = true;
|
|
}
|
|
else if (event.key.keysym.scancode == SDL_SCANCODE_RETURN && !current_menu[current_selection].backwards_handler) {
|
|
if (current_menu[current_selection].handler) {
|
|
current_menu[current_selection].handler(current_selection);
|
|
if (pending_command == GB_SDL_RESET_COMMAND && !is_running) {
|
|
pending_command = GB_SDL_NO_COMMAND;
|
|
}
|
|
if (pending_command) {
|
|
if (!is_running && pending_command == GB_SDL_QUIT_COMMAND) {
|
|
exit(0);
|
|
}
|
|
return;
|
|
}
|
|
should_render = true;
|
|
}
|
|
else {
|
|
return;
|
|
}
|
|
}
|
|
else if (event.key.keysym.scancode == SDL_SCANCODE_RIGHT && current_menu[current_selection].backwards_handler) {
|
|
current_menu[current_selection].handler(current_selection);
|
|
should_render = true;
|
|
}
|
|
else if (event.key.keysym.scancode == SDL_SCANCODE_LEFT && current_menu[current_selection].backwards_handler) {
|
|
current_menu[current_selection].backwards_handler(current_selection);
|
|
should_render = true;
|
|
}
|
|
}
|
|
else if (gui_state == SHOWING_HELP) {
|
|
current_help_page++;
|
|
if (current_help_page == sizeof(help) / sizeof(help[0])) {
|
|
gui_state = SHOWING_MENU;
|
|
}
|
|
should_render = true;
|
|
}
|
|
else if (gui_state == WAITING_FOR_KEY) {
|
|
if (current_menu == controls_menu_2) {
|
|
if (current_selection == 0) {
|
|
configuration.keys[8] = event.key.keysym.scancode;
|
|
}
|
|
else {
|
|
configuration.keys_2[current_selection - 1] = event.key.keysym.scancode;
|
|
}
|
|
}
|
|
else {
|
|
configuration.keys[current_selection] = event.key.keysym.scancode;
|
|
}
|
|
gui_state = SHOWING_MENU;
|
|
should_render = true;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (should_render) {
|
|
should_render = false;
|
|
if (width == 160 && height == 144) {
|
|
memcpy(pixels, converted_background->pixels, sizeof(pixels));
|
|
}
|
|
else {
|
|
for (unsigned y = 0; y < 144; y++) {
|
|
memcpy(pixels + x_offset + width * (y + y_offset), ((uint32_t *)converted_background->pixels) + 160 * y, 160 * 4);
|
|
}
|
|
}
|
|
|
|
switch (gui_state) {
|
|
case SHOWING_DROP_MESSAGE:
|
|
draw_text_centered(pixels, width, height, 8 + y_offset, "Press ESC for menu", gui_palette_native[3], gui_palette_native[0], false);
|
|
draw_text_centered(pixels, width, height, 116 + y_offset, "Drop a GB or GBC", gui_palette_native[3], gui_palette_native[0], false);
|
|
draw_text_centered(pixels, width, height, 128 + y_offset, "file to play", gui_palette_native[3], gui_palette_native[0], false);
|
|
break;
|
|
case SHOWING_MENU:
|
|
draw_text_centered(pixels, width, height, 8 + y_offset, "SameBoy", gui_palette_native[3], gui_palette_native[0], false);
|
|
unsigned i = 0, y = 24;
|
|
for (const struct menu_item *item = current_menu; item->string; item++, i++) {
|
|
if (item->value_getter && !item->backwards_handler) {
|
|
char line[25];
|
|
snprintf(line, sizeof(line), "%s%*s", item->string, 24 - (int)strlen(item->string), item->value_getter(i));
|
|
draw_text_centered(pixels, width, height, y + y_offset, line, gui_palette_native[3], gui_palette_native[0],
|
|
i == current_selection ? DECORATION_SELECTION : DECORATION_NONE);
|
|
y += 12;
|
|
|
|
}
|
|
else {
|
|
draw_text_centered(pixels, width, height, y + y_offset, item->string, gui_palette_native[3], gui_palette_native[0],
|
|
i == current_selection && !item->value_getter ? DECORATION_SELECTION : DECORATION_NONE);
|
|
y += 12;
|
|
if (item->value_getter) {
|
|
draw_text_centered(pixels, width, height, y + y_offset, item->value_getter(i), gui_palette_native[3], gui_palette_native[0],
|
|
i == current_selection ? DECORATION_ARROWS : DECORATION_NONE);
|
|
y += 12;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case SHOWING_HELP:
|
|
draw_text(pixels, width, height, 2 + x_offset, 2 + y_offset, help[current_help_page], gui_palette_native[3], gui_palette_native[0]);
|
|
break;
|
|
case WAITING_FOR_KEY:
|
|
draw_text_centered(pixels, width, height, 68 + y_offset, "Press a Key", gui_palette_native[3], gui_palette_native[0], DECORATION_NONE);
|
|
break;
|
|
case WAITING_FOR_JBUTTON:
|
|
draw_text_centered(pixels, width, height, 68 + y_offset,
|
|
joypad_configuration_progress != JOYPAD_BUTTONS_MAX ? "Press button for" : "Move the Analog Stick",
|
|
gui_palette_native[3], gui_palette_native[0], DECORATION_NONE);
|
|
draw_text_centered(pixels, width, height, 80 + y_offset,
|
|
(const char *[])
|
|
{
|
|
"Right",
|
|
"Left",
|
|
"Up",
|
|
"Down",
|
|
"A",
|
|
"B",
|
|
"Select",
|
|
"Start",
|
|
"Open Menu",
|
|
"Turbo",
|
|
"Rewind",
|
|
"Slow-Motion",
|
|
"",
|
|
} [joypad_configuration_progress],
|
|
gui_palette_native[3], gui_palette_native[0], DECORATION_NONE);
|
|
draw_text_centered(pixels, width, height, 104 + y_offset, "Press Enter to skip", gui_palette_native[3], gui_palette_native[0], DECORATION_NONE);
|
|
break;
|
|
}
|
|
|
|
render_texture(pixels, NULL);
|
|
#ifdef _WIN32
|
|
/* Required for some Windows 10 machines, god knows why */
|
|
render_texture(pixels, NULL);
|
|
#endif
|
|
}
|
|
} while (SDL_WaitEvent(&event));
|
|
}
|