[GTK3] Implement tilemap scrolling rect
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cbace7cb09
commit
9e7de34e24
42
gtk3/main.c
42
gtk3/main.c
@ -26,7 +26,8 @@ static bool paused = false;
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static bool underclock_down = false, rewind_down = false, do_rewind = false, rewind_paused = false, turbo_down = false;
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static double clock_mutliplier = 1.0;
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static char *battery_save_path_ptr;
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static Rect rect;
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static Rect viewport = {0};
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static Rect scrollRect = {0};
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static bool vram_viewer_visible = false;
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static bool running = true;
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@ -673,8 +674,8 @@ static gboolean on_draw_fallback(GtkWidget *widget, cairo_t *cr, gpointer data)
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cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, screen_width)
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);
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cairo_translate(cr, rect.x, rect.y);
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cairo_scale(cr, rect.w / screen_width, rect.h / screen_height);
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cairo_translate(cr, viewport.x, viewport.y);
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cairo_scale(cr, viewport.w / screen_width, viewport.h / screen_height);
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cairo_set_source_surface(cr, surface, 0, 0);
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cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST);
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cairo_paint(cr);
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@ -790,6 +791,29 @@ static gboolean on_draw_vram_viewer_tilemap(GtkWidget *widget, cairo_t *cr, gpoi
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cairo_stroke(cr);
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}
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if (gtk_toggle_button_get_active(gtkget(GTK_TOGGLE_BUTTON, "vram_viewer_tilemap_toggle_scrolling_button"))) {
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cairo_rectangle(cr, 0, 0, width, height);
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for (unsigned x = 0; x < 2; x++) {
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for (unsigned y = 0; y < 2; y++) {
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Rect rect = scrollRect;
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rect.x -= 256 * x;
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rect.y += 256 * y;
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cairo_rectangle(cr, rect.x, rect.y, rect.w, rect.h);
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}
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}
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cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
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cairo_set_line_width(cr, 2);
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cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
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cairo_set_source_rgba(cr, 0.2, 0.2, 0.2, 0.5);
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cairo_fill_preserve(cr);
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cairo_clip_preserve(cr);
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cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.6);
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cairo_stroke(cr);
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}
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return FALSE;
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}
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@ -889,7 +913,7 @@ static void render_texture(void *pixels, void *previous) {
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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, GB_get_screen_width(&gb), GB_get_screen_height(&gb), rect.x, rect.y, rect.w, rect.h);
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render_bitmap_with_shader(&shader, _pixels, previous, GB_get_screen_width(&gb), GB_get_screen_height(&gb), viewport.x, viewport.y, viewport.w, viewport.h);
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}
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static void update_viewport(void) {
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@ -918,14 +942,14 @@ static void update_viewport(void) {
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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 = (Rect){
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viewport = (Rect){
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(win_width - new_width) / 2,
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(win_height - new_height) / 2,
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new_width,
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new_height
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};
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if (!fallback_canvas) glViewport(rect.x, rect.y, rect.w, rect.h);
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if (!fallback_canvas) glViewport(viewport.x, viewport.y, viewport.w, viewport.h);
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}
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static void update_window_geometry() {
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@ -990,6 +1014,12 @@ static void vblank(GB_gameboy_t *gb) {
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GB_draw_tileset(gb, tileset_buffer, GB_PALETTE_NONE, 0);
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GB_draw_tilemap(gb, tilemap_buffer, GB_PALETTE_AUTO, 0, GB_MAP_AUTO, GB_TILESET_AUTO);
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scrollRect = (Rect){
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GB_read_memory(gb, 0xFF00 | GB_IO_SCX),
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GB_read_memory(gb, 0xFF00 | GB_IO_SCY),
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160, 144
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};
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// Queue a redraw of the VRAM viewer
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gtk_widget_queue_draw(GTK_WIDGET(vram_viewer));
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}
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@ -1353,7 +1353,7 @@ Maximilian Mader https://github.com/max-m</property>
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</packing>
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</child>
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<child>
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<object class="GtkToggleButton" id="vram_viewer_tilemap_toggle_scrolling">
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<object class="GtkToggleButton" id="vram_viewer_tilemap_toggle_scrolling_button">
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<property name="label" translatable="yes">Scrolling</property>
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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@ -1401,6 +1401,10 @@ Maximilian Mader https://github.com/max-m</property>
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<property name="visible">True</property>
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<property name="app_paintable">True</property>
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<property name="can_focus">False</property>
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<property name="halign">start</property>
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<property name="valign">start</property>
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<property name="hexpand">False</property>
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<property name="vexpand">False</property>
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</object>
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<packing>
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<property name="expand">True</property>
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