Add a shortcut for pausing and reseting the game.

This commit also adds a "GAME PAUSED" text when the game is paused.
hades-emu · Dec 11, 2023 · 4f02773 · 4f02773
1 parent 05ebf22
commit 4f02773
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Showing 5 changed files with 59 additions and 8 deletions.
diff --git a/include/app.h b/include/app.h
@@ -73,14 +73,16 @@ enum bind_actions {
     BIND_EMULATOR_SCREENSHOT,
     BIND_EMULATOR_QUICKSAVE,
     BIND_EMULATOR_QUICKLOAD,
+    BIND_EMULATOR_PAUSE,
+    BIND_EMULATOR_RESET,
 
     BIND_MAX,
     BIND_MIN = BIND_GBA_A,
 
     BIND_GBA_MIN = BIND_GBA_A,
     BIND_GBA_MAX = BIND_GBA_SELECT,
     BIND_EMULATOR_MIN = BIND_EMULATOR_SPEED_X1,
-    BIND_EMULATOR_MAX = BIND_EMULATOR_QUICKLOAD,
+    BIND_EMULATOR_MAX = BIND_EMULATOR_RESET,
 };
 
 extern char const * const binds_pretty_name[];
@@ -205,6 +207,11 @@ struct app {
         /* ImGui internal stuff */
         struct ImGuiIO *ioptr;
 
+        struct {
+            struct ImFont *normal;
+            struct ImFont *big;
+        } fonts;
+
         /* High resolution */
         float dpi;
         uint32_t scale;

diff --git a/source/gui/sdl/input.c b/source/gui/sdl/input.c
@@ -51,6 +51,7 @@ gui_sdl_setup_default_binds(
     app->binds.keyboard[BIND_EMULATOR_SCREENSHOT] = SDL_GetKeyFromName("F2");
     app->binds.keyboard[BIND_EMULATOR_QUICKSAVE] = SDL_GetKeyFromName("F5");
     app->binds.keyboard[BIND_EMULATOR_QUICKLOAD] = SDL_GetKeyFromName("F8");
+    app->binds.keyboard[BIND_EMULATOR_PAUSE] = SDL_GetKeyFromName("F3");
 
     app->binds.keyboard_alt[BIND_GBA_UP] = SDL_GetKeyFromName("Up");
     app->binds.keyboard_alt[BIND_GBA_DOWN] = SDL_GetKeyFromName("Down");
@@ -172,6 +173,8 @@ gui_sdl_handle_bind(
         case BIND_EMULATOR_SCREENSHOT:          app_game_screenshot(app); break;
         case BIND_EMULATOR_QUICKSAVE:           app_game_quicksave(app, 0); break;
         case BIND_EMULATOR_QUICKLOAD:           app_game_quickload(app, 0); break;
+        case BIND_EMULATOR_PAUSE:               app->emulation.is_running ? app_game_pause(app) : app_game_run(app); break;
+        case BIND_EMULATOR_RESET:               app_game_reset(app); app_game_run(app); break;
         default: break;
     }
 }

diff --git a/source/gui/sdl/video.c b/source/gui/sdl/video.c
@@ -26,9 +26,10 @@ void
 gui_sdl_video_init(
     struct app *app
 ) {
-    int err;
-    SDL_DisplayMode mode;
     char const *glsl_version;
+    SDL_DisplayMode mode;
+    ImFontConfig *cfg;
+    int err;
 
     memset(&mode, 0, sizeof(mode));
 
@@ -133,13 +134,16 @@ gui_sdl_video_init(
     app->ui.ioptr->ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
     app->ui.ioptr->IniFilename = NULL;
 
-    /* Setup ImGui font size */
-    ImFontConfig *cfg;
-
     cfg = ImFontConfig_ImFontConfig();
     cfg->SizePixels = 13.f * app->ui.scale;
     cfg->GlyphOffset.y = 13.f * app->ui.scale;
-    ImFontAtlas_AddFontDefault(app->ui.ioptr->Fonts, cfg);
+    app->ui.fonts.normal = ImFontAtlas_AddFontDefault(app->ui.ioptr->Fonts, cfg);
+
+    cfg = ImFontConfig_ImFontConfig();
+    cfg->SizePixels = 13.f * app->ui.scale * 3.;
+    cfg->GlyphOffset.y = 13.f * app->ui.scale * 3.;
+    app->ui.fonts.big = ImFontAtlas_AddFontDefault(app->ui.ioptr->Fonts, cfg);
+
     ImGuiStyle_ScaleAllSizes(igGetStyle(), app->ui.scale);
 
     ImGui_ImplSDL2_InitForOpenGL(app->sdl.window, app->gfx.gl_context);

diff --git a/source/gui/windows/game.c b/source/gui/windows/game.c
@@ -15,6 +15,31 @@
 #include "app.h"
 #include "gui/gui.h"
 
+static
+void
+gui_win_game_pause_text(
+    struct app *app
+) {
+    igPushFont(app->ui.fonts.big);
+    {
+        char const *text;
+        ImVec2 text_size;
+        ImVec2 text_pos;
+        ImVec2 win_size;
+
+        text = "- GAME PAUSED -";
+
+        igGetWindowSize(&win_size);
+        igCalcTextSize(&text_size, text, NULL, false, -1.0f);
+
+        text_pos.x = (win_size.x - text_size.x) / 2.f;
+        text_pos.y = (win_size.y - text_size.y) / 2.f;
+        igSetCursorPos(text_pos);
+        igText(text);
+    }
+    igPopFont();
+}
+
 void
 gui_win_game(
     struct app *app
@@ -23,6 +48,10 @@ gui_win_game(
     float game_pos_y;
     float game_size_x;
     float game_size_y;
+    float tint;
+
+    // Adjust the tint if the game is paused
+    tint = app->emulation.is_running ? 1.0 : 0.1;
 
     if (!app->gfx.active_programs_length) {
         // If there's no shaders loaded, we shortcut the pipeline and simply load the game's framebuffer in the corresponding texture
@@ -111,10 +140,14 @@ gui_win_game(
         (ImVec2){.x = game_size_x, .y = game_size_y},
         (ImVec2){.x = 0, .y = 0},
         (ImVec2){.x = 1, .y = 1},
-        (ImVec4){.x = 1, .y = 1, .z = 1, .w = 1},
+        (ImVec4){.x = tint, .y = tint, .z = tint, .w = 1},
         (ImVec4){.x = 0, .y = 0, .z = 0, .w = 0}
     );
 
+    if (!app->emulation.is_running) {
+        gui_win_game_pause_text(app);
+    }
+
     igEnd();
 
     igPopStyleVar(2);

diff --git a/source/gui/windows/keybinds.c b/source/gui/windows/keybinds.c
@@ -35,6 +35,8 @@ char const * const binds_pretty_name[] = {
     [BIND_EMULATOR_SCREENSHOT] = "Screenshot",
     [BIND_EMULATOR_QUICKSAVE] = "Quicksave",
     [BIND_EMULATOR_QUICKLOAD] = "Quickload",
+    [BIND_EMULATOR_PAUSE] = "Pause",
+    [BIND_EMULATOR_RESET] = "Reset",
 };
 
 char const * const binds_slug[] = {
@@ -59,6 +61,8 @@ char const * const binds_slug[] = {
     [BIND_EMULATOR_SCREENSHOT] = "screenshot",
     [BIND_EMULATOR_QUICKSAVE] = "quicksave",
     [BIND_EMULATOR_QUICKLOAD] = "quickload",
+    [BIND_EMULATOR_PAUSE] = "pause",
+    [BIND_EMULATOR_RESET] = "reset",
 };
 
 void