lav-sdl

чување 5b33866431aea8c3c2c0aca4496c7bfc9f23f204
родитељ a91fd2986ddd67cf89dc68e314c802e2498760c5
Аутор: Страхиња Радић <contact@strahinja.org>
Датум:   Thu, 17 Aug 2023 20:31:12 +0200

WIP mouse support

Signed-off-by: Страхиња Радић <contact@strahinja.org>

Diffstat:
M
lav-sdl.c
 | 
61
++++++++++++++++++++++++++++++++++++++++++++++++++++---------

измењених датотека: 1, додавања: 52(+), брисања: 9(-)
diff --git a/lav-sdl.c b/lav-sdl.c
@@ -95,10 +95,12 @@ struct Labyrinth {
 static struct AnimationState animation;
 static SDL_Point hero, start, end;
 static struct Labyrinth labyrinth;
-static int location_pointer	  = 0;
-static SDL_Point* location_stack  = NULL;
+static int location_pointer	 = 0;
+static SDL_Point* location_stack = NULL;
+static SDL_FPoint pointer;
 static int help_shown		  = 0;
 static int redraw		  = 1;
+static int draw_pointer		  = 1;
 static SDL_Renderer* renderer	  = NULL;
 static int running		  = 1;
 static float scale_factor	  = 1.0f;
@@ -274,7 +276,7 @@ draw(void)
 		for (x = 0; x < labyrinth.width; x++)
 		{
 			if ((labyrinth.cells[y][x] != CELL_OK
-				&& labyrinth.cells[y][x] != CELL_FAIL)
+				    && labyrinth.cells[y][x] != CELL_FAIL)
 				|| (x == start.x && y == start.y)
 				|| (x == end.x && y == end.y))
 				continue;
@@ -297,11 +299,11 @@ draw(void)
 	get_hero_sprite_xy(&cell_rect.x, &cell_rect.y);
 	if (animation.active)
 		labyrinth_coord_to_screen_coordF(animation.position.x,
-			animation.position.y, startx, starty,
-			&dest_rect.x, &dest_rect.y);
+			animation.position.y, startx, starty, &dest_rect.x,
+			&dest_rect.y);
 	else
-		labyrinth_coord_to_screen_coord(hero.x, hero.y, startx,
-			starty, &dest_rect.x, &dest_rect.y);
+		labyrinth_coord_to_screen_coord(hero.x, hero.y, startx, starty,
+			&dest_rect.x, &dest_rect.y);
 
 	SDL_RenderCopyF(renderer, sprites, &cell_rect, &dest_rect);
 
@@ -319,14 +321,28 @@ draw(void)
 	}
 
 	/* Render status */
-	draw_text(startx, starty + bg_rect.h, TER16_WIDTH,
-		TER16_HEIGHT, ter16_texture,
+	draw_text(startx, starty + bg_rect.h, TER16_WIDTH, TER16_HEIGHT,
+		ter16_texture,
 		"Column: %2d,  Row: %2d    F1 = Help    Status: %s", hero.x + 1,
 		hero.y + 1, state_descriptions[state]);
 
 	if (help_shown)
 		draw_help_dialog();
 
+	if (draw_pointer)
+	{
+		SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
+		SDL_RenderDrawLineF(renderer, pointer.x - 9, pointer.y + 1,
+			pointer.x + 11, pointer.y + 1);
+		SDL_RenderDrawLineF(renderer, pointer.x + 1, pointer.y - 9,
+			pointer.x + 1, pointer.y + 11);
+		SDL_SetRenderDrawColor(renderer, 255, 255, 255,
+			SDL_ALPHA_OPAQUE);
+		SDL_RenderDrawLineF(renderer, pointer.x - 10, pointer.y,
+			pointer.x + 10, pointer.y);
+		SDL_RenderDrawLineF(renderer, pointer.x, pointer.y - 10,
+			pointer.x, pointer.y + 10);
+	}
 	SDL_RenderPresent(renderer);
 	// SDL_RenderFlush(renderer);
 }
@@ -552,6 +568,26 @@ handle_event(SDL_Event* event)
 		default:
 			print_debug("switch fallthrough");
 		}
+		break;
+	case SDL_MOUSEMOTION:
+		pointer.x = event->motion.x;
+		pointer.y = event->motion.y;
+		if (pointer.x <= 0 || pointer.y <= 0
+			|| pointer.x + 1 >= screen_width
+			|| pointer.y + 1 >= screen_height)
+		{
+			// SDL_SetRelativeMouseMode(SDL_FALSE);
+			draw_pointer = 0;
+			SDL_ShowCursor(1);
+		}
+		else
+		{
+			// SDL_SetRelativeMouseMode(SDL_TRUE);
+			draw_pointer = 1;
+			SDL_ShowCursor(0);
+		}
+		redraw = 1;
+		break;
 	}
 }
 
@@ -910,6 +946,13 @@ main(int argc, char** argv)
 	update_size();
 	animation.active = 0;
 
+	// SDL_SetWindowGrab(window, SDL_TRUE);
+	// SDL_SetRelativeMouseMode(SDL_TRUE);
+	SDL_ShowCursor(0);
+	int px, py;
+	SDL_GetMouseState(&px, &py);
+	pointer.x = (float)px;
+	pointer.y = (float)py;
 	while (running)
 	{
 		while (SDL_PollEvent(&event))