add hack for games that require the cursor to be in the exact center …

…of the screen (Worms 2 / Atlantis)
FunkyFr3sh · May 12, 2024 · 518b940 · 518b940
1 parent 175d2f5
commit 518b940
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Showing 3 changed files with 20 additions and 4 deletions.
diff --git a/inc/config.h b/inc/config.h
@@ -75,6 +75,7 @@ typedef struct CNCDDRAWCONFIG
     int custom_height;
     int min_font_size;
     BOOL direct3d_passthrough;
+    BOOL center_cursor_fix;
 
     /* Hotkeys */
 

diff --git a/src/config.c b/src/config.c
@@ -88,6 +88,7 @@ void cfg_load()
     GET_INT(g_config.custom_height, "custom_height", 0);
     GET_INT(g_config.min_font_size, "min_font_size", 0);
     GET_BOOL(g_config.direct3d_passthrough, "direct3d_passthrough", FALSE);
+    GET_BOOL(g_config.center_cursor_fix, "center_cursor_fix", FALSE);
 
     /* Hotkeys */
 
@@ -300,6 +301,7 @@ static void cfg_create_ini()
             "custom_height=0\n"
             "min_font_size=0\n"
             "direct3d_passthrough=false\n"
+            "center_cursor_fix=false\n"
             "\n"
             "\n"
             "\n"
@@ -433,6 +435,7 @@ static void cfg_create_ini()
             "[ATLANTIS]\n"
             "renderer=opengl\n"
             "maxgameticks=60\n"
+            "center_cursor_fix=true\n"
             "\n"
             "; Airline Tycoon Deluxe\n"
             "[AT]\n"
@@ -1052,6 +1055,7 @@ static void cfg_create_ini()
             "[worms2]\n"
             "flipclear=true\n"
             "game_handles_close=true\n"
+            "center_cursor_fix=true\n"
             "\n"
             "; Worms Armageddon\n"
             "[WA]\n"

diff --git a/src/dd.c b/src/dd.c
@@ -841,10 +841,21 @@ HRESULT dd_SetDisplayMode(DWORD dwWidth, DWORD dwHeight, DWORD dwBPP, DWORD dwFl
     g_ddraw.render.unscale_w = ((float)g_ddraw.width / g_ddraw.render.viewport.width);
     g_ddraw.render.unscale_h = ((float)g_ddraw.height / g_ddraw.render.viewport.height);
 
-    g_ddraw.mouse.scale_x = ((float)(g_ddraw.render.viewport.width - 1) / (g_ddraw.width - 1));
-    g_ddraw.mouse.scale_y = ((float)(g_ddraw.render.viewport.height - 1) / (g_ddraw.height - 1));
-    g_ddraw.mouse.unscale_x = ((float)(g_ddraw.width - 1) / (g_ddraw.render.viewport.width - 1));
-    g_ddraw.mouse.unscale_y = ((float)(g_ddraw.height - 1) / (g_ddraw.render.viewport.height - 1));
+    /* Hack for games that require the cursor to be in the exact center of the screen (Worms 2 / Atlantis) */
+    if (g_config.center_cursor_fix)
+    {
+        g_ddraw.mouse.scale_x = ((float)(g_ddraw.render.viewport.width) / (g_ddraw.width));
+        g_ddraw.mouse.scale_y = ((float)(g_ddraw.render.viewport.height) / (g_ddraw.height));
+        g_ddraw.mouse.unscale_x = ((float)(g_ddraw.width) / (g_ddraw.render.viewport.width));
+        g_ddraw.mouse.unscale_y = ((float)(g_ddraw.height) / (g_ddraw.render.viewport.height));
+    }
+    else
+    {
+        g_ddraw.mouse.scale_x = ((float)(g_ddraw.render.viewport.width - 1) / (g_ddraw.width - 1));
+        g_ddraw.mouse.scale_y = ((float)(g_ddraw.render.viewport.height - 1) / (g_ddraw.height - 1));
+        g_ddraw.mouse.unscale_x = ((float)(g_ddraw.width - 1) / (g_ddraw.render.viewport.width - 1));
+        g_ddraw.mouse.unscale_y = ((float)(g_ddraw.height - 1) / (g_ddraw.render.viewport.height - 1));
+    }
 
     g_ddraw.mouse.x_adjust = g_ddraw.render.viewport.x;
     g_ddraw.mouse.y_adjust = g_ddraw.render.viewport.y;