From: John Tsiombikas <nuclear@member.fsf.org>
Date: Mon, 3 Sep 2018 10:02:00 +0000 (+0300)
Subject: mouse cursor
X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosrtxon;a=commitdiff_plain;h=7aa25eddf62c09aca64bd1265344dff9956a387c

mouse cursor
---

diff --git a/src/demo.c b/src/demo.c
index 0874104..7d927ea 100644
--- a/src/demo.c
+++ b/src/demo.c
@@ -13,8 +13,11 @@
 #include "tinyfps.h"
 #include "util.h"
 
-int fb_width = 320;
-int fb_height = 240;
+#define FB_WIDTH	320
+#define FB_HEIGHT	240
+
+int fb_width = FB_WIDTH;
+int fb_height = FB_HEIGHT;
 int fb_bpp = 16;
 uint16_t *fb_pixels, *vmem_back, *vmem_front;
 unsigned long time_msec;
@@ -102,6 +105,49 @@ void demo_draw(void)
 	++nframes;
 }
 
+
+
+#define DEST(x, y)	dest[(y) * FB_WIDTH + (x)]
+void draw_mouse_pointer(uint16_t *fb)
+{
+	uint16_t *dest = fb + mouse_y * FB_WIDTH + mouse_x;
+
+	DEST(0, 0) = 0xffff;
+	DEST(1, 1) = 0xffff;
+	DEST(2, 2) = 0xffff;
+	DEST(3, 3) = 0xffff;
+	DEST(4, 4) = 0xffff;
+	DEST(5, 5) = 0xffff;
+	DEST(6, 6) = 0xffff;
+	DEST(0, 1) = 0xffff;
+	DEST(0, 2) = 0xffff;
+	DEST(0, 3) = 0xffff;
+	DEST(0, 4) = 0xffff;
+	DEST(0, 5) = 0xffff;
+	DEST(0, 6) = 0xffff;
+	DEST(0, 7) = 0xffff;
+	DEST(0, 8) = 0xffff;
+	DEST(0, 9) = 0xffff;
+	DEST(1, 8) = 0xffff;
+	DEST(2, 7) = 0xffff;
+	DEST(3, 6) = 0xffff;
+	DEST(4, 6) = 0xffff;
+	DEST(5, 6) = 0xffff;
+	DEST(1, 2) = 0;
+	DEST(1, 3) = 0;
+	DEST(2, 3) = 0;
+	DEST(1, 4) = 0;
+	DEST(2, 4) = 0;
+	DEST(3, 4) = 0;
+	DEST(1, 5) = 0;
+	DEST(2, 5) = 0;
+	DEST(3, 5) = 0;
+	DEST(4, 5) = 0;
+	DEST(1, 6) = 0;
+	DEST(2, 6) = 0;
+	DEST(1, 7) = 0;
+}
+
 static void change_screen(int idx)
 {
 	printf("change screen %d\n", idx);
@@ -228,6 +274,7 @@ void mouse_orbit_update(float *theta, float *phi, float *dist)
 			}
 		}
 	}
+
 	prev_mx = mouse_x;
 	prev_my = mouse_y;
 	prev_bmask = mouse_bmask;
diff --git a/src/demo.h b/src/demo.h
index ac5ca06..bf3eaa6 100644
--- a/src/demo.h
+++ b/src/demo.h
@@ -43,4 +43,6 @@ void swap_buffers(void *pixels);
 /* call each frame to get 3D viewing spherical coordinates */
 void mouse_orbit_update(float *theta, float *phi, float *dist);
 
+void draw_mouse_pointer(uint16_t *fb);
+
 #endif	/* DEMO_H_ */
diff --git a/src/parts/rtxonoff.c b/src/parts/rtxonoff.c
index e56baeb..fc0d52b 100644
--- a/src/parts/rtxonoff.c
+++ b/src/parts/rtxonoff.c
@@ -212,6 +212,8 @@ static void draw(void)
 	g3d_light_color(0, 1, 1, 1);
 	draw_mesh(&mesh_car[0]);
 
+	draw_mouse_pointer(fb_pixels);
+
 	swap_buffers(fb_pixels);
 }
 
diff --git a/src/sdl/main.c b/src/sdl/main.c
index 65ddd35..e7e161e 100644
--- a/src/sdl/main.c
+++ b/src/sdl/main.c
@@ -46,6 +46,7 @@ int main(int argc, char **argv)
 		return 1;
 	}
 	SDL_WM_SetCaption("dosdemo/SDL", 0);
+	SDL_ShowCursor(0);
 
 	time_msec = 0;
 	if(demo_init(argc, argv) == -1) {